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1.
Braz. j. biol ; 84: e255664, 2024. graf, mapas, ilus
Article in English | LILACS, VETINDEX | ID: biblio-1360227

ABSTRACT

Magnolia biondii Pamp is an important ornamental tree species widely grown and used as a rootstock in the propagation of different Magnolia varieties. In the current studies, anatomical, physiological and endogenous hormones were studied to check the effect of IBA 750 mg/L on the adventitious rooting and to provide theoretical and technical support for the propagation of Magnolia biondii Pamp through stem cuttings. Two thousand stem cuttings were prepared and divided into two groups i.e., IBA treated cuttings and water control. For the evaluation of antioxidant enzyme activities, and endogenous hormones levels, samples were collected on the day of planting and each 5th day and further steps were carried out in the laboratory according to the protocols and proper precautions. For the anatomical observations, samples were collected on the 13th, 15th, and 17th day for IBA treated cuttings while 21st, 23rd, and 25th day for control. Collected samples were preserved in the FAA solution and further observations were carried out in the laboratory. Anatomical observations showed that it took 13 days for the differentiation of root primordia to the appearance of young adventitious roots in IBA treated cuttings, while it took 21 days to develop primordia in the control. Antioxidant enzyme activities involved in ROS were significantly higher in the IBA treated cuttings compared to control. POD showed a peak on the 13th day before the emergence of roots in IBA treated cuttings while it showed a peak on the 21st day in the control. PPO showed a peak on the 21st day in the IBA treated cuttings while it showed a peak on the 29th day in the control. SOD showed a peak on the 17th day in IBA treated cuttings, while it showed a peak on the 25th day in the control. Exogenous application of IBA enhanced the endogenous IAA and GA3 levels compared to CK, while it reduced the levels of ABA continuously at the time of rooting and then increased gradually. Inclusively, our study suggests that IBA 750 mg/L is efficient for the rooting of Magnolia biondii Pamp cuttings, as it enhanced the process of antioxidant enzyme activities, endogenous hormones levels and reduced the time of root formation which is evident from the anatomical observations.


Magnolia biondii Pamp é uma importante espécie de árvore ornamental muito cultivada e utilizada como porta-enxerto na propagação de diferentes variedades de Magnolia. Nos estudos atuais, hormônios anatômicos, fisiológicos e endógenos foram estudados para verificar o efeito do AIB na dose de 750 mg / L no enraizamento adventício e fornecer suporte teórico e técnico para a propagação de M. biondii Pamp por meio de estacas. Duas mil estacas foram preparadas e divididas em dois grupos, ou seja, tratadas com AIB e controle de água. Para a avaliação das atividades das enzimas antioxidantes e dos níveis de hormônios endógenos, as amostras foram coletadas no dia do plantio e a cada 5 dias, enquanto as demais etapas foram realizadas em laboratório de acordo com os protocolos e os devidos cuidados. Para as observações anatômicas, as amostras foram coletadas no 13º, 15º e 17º dias para estacas tratadas com AIB e no 21º, 23º e 25º dias para o controle. As amostras coletadas foram preservadas em solução FAA, e outras observações foram realizadas em laboratório. Observações anatômicas mostraram a necessidade de 13 dias para a diferenciação dos primórdios radiculares até o aparecimento de raízes adventícias jovens em estacas tratadas com AIB e de 21 dias para o desenvolvimento dos primórdios no controle. As atividades das enzimas antioxidantes envolvidas nas ROS foram significativamente maiores nas estacas tratadas com AIB em comparação com o controle. A POD apresentou pico no 13º dia antes da emergência das raízes nas estacas tratadas com AIB, enquanto no 21º dia apresentou pico no controle. A PPO teve pico no 21º dia nas estacas tratadas com AIB e no 29º dia no controle. A SOD apresentou pico no 17º dia nas estacas tratadas com AIB e no 25º dia no controle. A aplicação exógena de AIB aumentou os níveis endógenos de IAA e GA3 em relação ao controle, enquanto reduziu os níveis de ABA continuamente no momento do enraizamento e, em seguida, aumentou gradativamente. Inclusive, nosso estudo sugere que o AIB na dose de 750 mg / L é eficiente para o enraizamento de estacas de M. biondii Pamp, visto que potencializou o processo de atividades de enzimas antioxidantes e os níveis de hormônios endógenos, além de reduzir o tempo de formação de raízes, o que fica evidente nas observações anatômicas.


Subject(s)
Magnolia/growth & development , Hormones
2.
Neuroscience Bulletin ; (6): 103-112, 2024.
Article in English | WPRIM | ID: wpr-1010655

ABSTRACT

Neuronomodulation refers to the modulation of neural conduction and synaptic transmission (i.e., the conduction process involved in synaptic transmission) of excitable neurons via changes in the membrane potential in response to chemical substances, from spillover neurotransmitters to paracrine or endocrine hormones circulating in the blood. Neuronomodulation can be direct or indirect, depending on the transduction pathways from the ligand binding site to the ion pore, either on the same molecule, i.e. the ion channel, or through an intermediate step on different molecules. The major players in direct neuronomodulation are ligand-gated or voltage-gated ion channels. The key process of direct neuronomodulation is the binding and chemoactivation of ligand-gated or voltage-gated ion channels, either orthosterically or allosterically, by various ligands. Indirect neuronomodulation involves metabotropic receptor-mediated slow potentials, where steroid hormones, cytokines, and chemokines can implement these actions. Elucidating neuronomodulation is of great significance for understanding the physiological mechanisms of brain function, and the occurrence and treatment of diseases.


Subject(s)
Ligands , Neurons/metabolism , Synaptic Transmission/physiology , Ion Channels/metabolism , Hormones/metabolism
3.
Femina ; 51(6): 374-379, 20230630. ilus, tab
Article in Portuguese | LILACS | ID: biblio-1512427

ABSTRACT

O lúpus eritematoso sistêmico é uma doença crônica, complexa e multifatorial que apresenta manifestações em vários órgãos. O seu acometimento ocorre 10 vezes mais no sexo feminino do que no masculino. É uma doença com uma clínica variada e com graus variados de gravidade, causando fadiga, manifestações cutâneas, como rash malar, fotossensibilidade, queda de cabelo e manifestações musculoesqueléticas, como artralgia, mialgia e atrite. Podem ocorrer flares (crises), que se caracterizam por aumento mensurável na atividade da doença. No climatério, no período da pré-menopausa, o lúpus eritematoso sistêmico ocorre com mais frequência, podendo ocorrer também na pós-menopausa. Algumas doenças são mais frequentes na fase do climatério, e a presença do lúpus pode influenciar na sua evolução, como a doença cardiovascular, osteoporose e tromboembolismo venoso. A terapia hormonal oral determina aumento do risco de tromboembolismo venoso no climatério, e na paciente com lúpus eritematoso sistêmico há aumento dos riscos de flares e de trombose. Em vista disso, a terapia hormonal é recomendada apenas para pacientes com lúpus eritematoso sistêmico estável ou inativo, sem história de síndrome antifosfolípides e com anticorpos antifosfolípides negativa, devendo-se dar preferência para a terapia estrogênica transdérmica, em menor dose e de uso contínuo. Na paciente com lúpus eritematoso sistêmico ativo ou com história de síndrome antifosfolípides ou com anticorpos antifosfolípides positiva, recomenda-se a terapia não hormonal, como os antidepressivos. (AU)


Systemic lupus erythematosus is a chronic, complex, multifactorial disease that manifests in several organs. Its involvement occurs 10 times more in females than in males. It is a disease with a varied clinic and varying degrees of severity, causing fatigue, skin manifestations such as malar rash, photosensitivity, hair loss and musculoskeletal manifestations such as arthralgia, myalgia and arthritis. Flare may occur, which are characterized by measurable increase in disease activity. In the climacteric, in the premenopausal period, systemic lupus erythematosus occurs more frequently, and may also occur in the postmenopausal period. Some diseases are more frequent in the Climacteric phase and the presence of lupus can influence its evolution, such as cardiovascular disease, osteoporosis and venous thromboembolism. Oral hormone therapy determines an increased risk of venous thromboembolism in the climacteric and in patients with systemic lupus erythematosus there is an increased risk of flares and thrombosis. In view of this, hormone therapy is only recommended for patients with stable or inactive systemic lupus erythematosus, without a history of antiphospholipid syndrome and with antiphospholipid antibodies, giving preference to transdermal estrogen therapy, at a lower dose and for continuous use. In patients with active systemic lupus erythematosus or with a history of antiphospholipid syndrome or positive antiphospholipid antibodies, non-hormonal therapy, such as antidepressants, is recommended. (AU)


Subject(s)
Humans , Female , Adult , Middle Aged , Lupus Erythematosus, Systemic/etiology , Lupus Erythematosus, Systemic/therapy , Osteoporosis/etiology , Thromboembolism/etiology , Cardiovascular Diseases/etiology , Antiphospholipid Syndrome/complications , Hormones/administration & dosage , Hormones/therapeutic use
4.
Femina ; 51(3): 154-160, 20230331.
Article in Portuguese | LILACS | ID: biblio-1428722

ABSTRACT

CONTEXTO CLÍNICO O câncer ginecológico afeta diretamente a fertilidade, pois o tratamento consiste na remoção cirúrgica do sistema reprodutor e/ou na sua exposição a agentes gonadotóxicos. Entretanto, pacientes em estádios iniciais e que estejam dentro de critérios estabelecidos podem ser tratadas com cirurgias conservadoras da fertilidade, com resultados oncológicos equivalentes aos dos tratamentos tradicionais. As técnicas de preservação da fertilidade, como criopreservação de oócitos, embriões e tecido ovariano, também podem ser oferecidas em algumas situações. A American Society of Clinical Oncology (ASCO) publicou recomendações sobre a preservação de fertilidade, com o objetivo de aumentar a conscientização sobre o tema, e, juntamente com a American Society for Reproductive Medicine (ASRM), recomenda que pacientes em idade fértil com câncer passem por aconselhamento reprodutivo. Essas pacientes apresentam menores taxas de arrependimento, mesmo quando optam por desistir do tratamento conservador. O interesse na preservação da fertilidade aumentou nas últimas décadas, tanto pelo fato de as mulheres postergarem a gestação como pelo aumento da incidência de câncer em jovens. A taxa de incidência de todos os cânceres aumentou 29% entre 1973 e 2015 em adolescentes e adultos jovens de ambos os sexos. O câncer de colo uterino, em mulheres de 20-29 anos, aumentou anualmente em uma média de 10,3% entre 2000 e 2009. A omissão em orientar pacientes com câncer sobre as possibilidades de preservação da fertilidade pode gerar questionamentos futuros; em alguns países. isso já se configura má prática médica.


Subject(s)
Humans , Female , Fertility Preservation/methods , Genital Neoplasms, Female , Pregnancy Trimesters , Reproductive Techniques, Assisted , Reproductive Rights/ethics , Conservative Treatment/methods , Genital Neoplasms, Female/diagnostic imaging , Hormones/therapeutic use
5.
Journal of Peking University(Health Sciences) ; (6): 243-253, 2023.
Article in Chinese | WPRIM | ID: wpr-986845

ABSTRACT

OBJECTIVE@#There is an increasing interest in human epidermal growth factor receptor 2 (HER2) low expression breast cancer with the result of novel anti-HER2 antibody-drug conjugates for breast cancer. HER2 low expression breast cancer is expected to become a new type of breast cancer. This study analyzed and compared the clinicopathological features and survival data of breast cancer with HER2 low expression group [immunohistochemistry (IHC) 1+ or IHC 2+, and fluorescence in situ hybridization (FISH) negative] and HER2 zero expression group (IHC 0), in order to explore the difference in clinical biology of HER2 low expression breast cancers.@*METHODS@#Among 1 250 female patients with primary non-metastatic breast cancer admitted to the Breast Disease Center of Peking University First Hospital from January 2014 to December 2017, 969 cases were HER2 negative (IHC 0, 1+, 2+, and FISH was not amplified). The clinicopathologic features and prognosis of the patients with HER2 low expression (IHC 1+ or 2+, and unamplified by FISH) and HER2 zero expression (IHC 0) were analyzed. Disease free survival (DFS) and overall survival (OS) were evaluated, survival rates were calculated by Kaplan-Meier curve, and survival differences were compared by Log-rank test. Cox regression analysis of univariate and multivariate prognostic factors. Bilateral test was used, and P < 0.05 was considered statistically significant.@*RESULTS@#In the 969 patients with HER2 negative breast cancer, 606 had HER2 low expression (62.54%) and 363 had HER2 zero expression (37.46%). Compared with breast cancer with HER2 zero expression, those with HER2 low expression had higher N stage (P=0.001) and TNM stage (P=0.044), the proportion of non-specific histological types was higher (82.7% vs. 79.1%, P=0.009), the histological grade was higher (P=0.048), and the positive rate of hormone receptor was higher (83.2% vs. 75.2%, P=0.003). The percentage of Ki-67 value index >30% was lower (30.4% vs. 36.6%, P=0.044). There was no significant difference in DFS and OS between the two groups (P>0.05). In the 969 cases, 777 were hormone receptor positive and 192 were hormone receptor negative (triple negative cancer). Among the 777 cases with hormone receptor positive, 504 (64.9%) were HER2 low expression, and 273 (35.1%) were HER2 zero expression. Compared with breast cancer with HER2 zero expression group, the HER2 low expression group had a younger age (P=0.016), a higher proportion of premenopausal patients (P=0.029), more lymph node involvement (P=0.002), and a higher total TNM stage (P=0.031), and less frequent histological types of lobular and mucinous carcinoma (3.6% vs. 7.3%, 4.8% vs. 10.6%, P=0.001). There was no difference in DFS and OS between HER2 low expression and zero expression (P>0.05). Among 192 patients with hormone receptor negative, there were 102 cases (53.1%) with HER2 low expression and 90 cases (46.9%) with HER2 zero expression. Compared with the HER2 zero expression groups, HER2 low expression group was older (P=0.001), the proportion of premenopausal patients was low (P=0.029), the histological grade was lower (P < 0.001), the Ki-67 value index was lower (P < 0.001), and androgen receptor positive rate was higher (58.8% vs. 34.4%, P < 0.001). DFS was better than HER2 zero expression group (P=0.038), but there was no difference in OS between the two groups (P>0.05).@*CONCLUSION@#HER2 low expression breast cancer accounts for about half of all breast cancers, and the incidence is much higher than that of HER2 positive breast cancer. Its clinicopathologic features are heterogeneous, and the status of hormone receptor expression has an impact on the clinical biology of this group.


Subject(s)
Humans , Female , Breast Neoplasms , Ki-67 Antigen , In Situ Hybridization, Fluorescence , Prognosis , Hormones
6.
Journal of Peking University(Health Sciences) ; (6): 1111-1117, 2023.
Article in Chinese | WPRIM | ID: wpr-1010176

ABSTRACT

Systemic lupus erythematosus (SLE) associated macrophage activation syndrome (MAS) is clinically severe, with a high mortality rate and rare neuropsychiatric symptoms. In the course of diagnosis and treatment, it is necessary to actively determine whether the neuropsychiatric symptoms in patients are caused by neuropsychiatric systemic lupus erythematosus (NPSLE) or macrophage activation syndrome. This paper retrospectively analyzed the clinical data of 2 cases of SLE associated MAS with neuropsychiatric lesions, Case 1: A 30-year-old female had obvious alopecia in 2019, accompanied by emaciation, fatigue and dry mouth. In March 2021, she felt weak legs and fell down, followed by fever and chills without obvious causes. After completing relevant examinations, she was diagnosed with SLE and given symptomatic treatments such as hormones and anti-infection, but the patient still had fever. The relevant examinations showed moderate anemia, elevated ferritin, elevated triglycerides, decreased NK cell activity, and a perforin positivity rate of 4.27%, which led to the diagnosis of "pre-hemophagocytic syndrome (HPS)". In May 2021, the patient showed mental trance and babble, and was diagnosed with "SLE-associated MAS"after completing relevant examinations. After treatment with methylprednisolone, anti-infection and psychotropic drugs, the patient's temperature was normal and mental symptoms improved. Case 2: A 30-year-old female patient developed butterfly erythema on both sides of the nose on her face and several erythema on her neck in June 2019, accompanied by alopecia, oral ulcers, and fever. She was diagnosed with "SLE" after completing relevant examinations, and her condition was relieved after treatment with methylprednisolone and human immunoglobulin. In October 2019, the patient showed apathy, no lethargy, and fever again, accompanied by dizziness and vomiting. The relevant examination indicated moderate anemia, decreased NK cell activity, elevated triglycerides, and elevated ferritin. The patient was considered to be diagnosed with "SLE, NPSLE, and SLE-associated MAS". After treatment with hormones, human immunoglobulin, anti-infection, rituximab (Mabthera), the patient's condition improved and was discharged from the hospital. After discharge, the patient regularly took methylprednisolone tablets (Medrol), and her psychiatric symptoms were still intermittent. In November 2019, she developed symptoms of fever, mania, and delirium, and later turned to an apathetic state, and was given methylprednisolone intravenous drip and olanzapine tablets (Zyprexa) orally. After the mental symptoms improved, she was treated with rituximab (Mabthera). Later, due to repeated infections, she was replaced with Belizumab (Benlysta), and she was recovered from her psychiatric anomalies in March 2021. Through the analysis of clinical symptoms, imaging examination, laboratory examination, treatment course and effect, it is speculated that the neuropsychiatric symptoms of case 1 are more likely to be caused by MAS, and that of case 2 is more likely to be caused by SLE. At present, there is no direct laboratory basis for the identification of the two neuropsychiatric symptoms. The etiology of neuropsychiatric symptoms can be determined by clinical manifestations, imaging manifestations, cerebrospinal fluid detection, and the patient's response to treatment. Early diagnosis is of great significance for guiding clinical treatment, monitoring the condition and judging the prognosis. The good prognosis of the two cases in this paper is closely related to the early diagnosis, treatment and intervention of the disease.


Subject(s)
Humans , Female , Adult , Rituximab/therapeutic use , Macrophage Activation Syndrome/etiology , Retrospective Studies , Lupus Erythematosus, Systemic/drug therapy , Methylprednisolone/therapeutic use , Lupus Vasculitis, Central Nervous System , Fever/drug therapy , Erythema/drug therapy , Hormones/therapeutic use , Anemia , Alopecia/drug therapy , Triglycerides/therapeutic use , Ferritins/therapeutic use
7.
Chinese Acupuncture & Moxibustion ; (12): 289-293, 2023.
Article in Chinese | WPRIM | ID: wpr-969986

ABSTRACT

OBJECTIVE@#To compare the clinical efficacy between staged acupuncture based on "thoroughfare vessel is the sea of blood" theory combined with routine hormone replacement cycle treatment and routine hormone replacement cycle treatment for patients with recurrent implantation failure (RIF) of thin endometrium.@*METHODS@#A total of 72 RIF patients with thin endometrium were randomly divided into an observation group and a control group, 36 cases in each group. The patients in the control group were treated with routine hormone replacement cycle treatment. Based on the treatment of the control group, the patients in the observation group were treated with staged acupuncture based on "thoroughfare vessel is the sea of blood" theory. The main acupoints were Neiguan (PC 6) and Gongsun (SP 4), and the supplementary acupoints were selected according to the menstrual cycle and syndrome differentiation; the acupuncture was given once every other day, 3 times a week, for 3 consecutive menstrual cycles. The thickness and shape of endometrium, and Hamilton anxiety scale (HAMA) score were observed at implantation window before and after treatment; the clinical pregnancy rate, live birth rate and cycle cancellation rate were compared between the two groups; the correlation between endometrial thickness and HAMA score was analyzed.@*RESULTS@#Compared before treatment, the endometrial thickness in the two groups and the proportion of type A+B endometrium in the observation group were increased (P<0.05), and the HAMA scores in the two groups were decreased (P<0.05) after treatment. The above indexes in the observation group were superior to those in the control group (P<0.05). The clinical pregnancy rate and live birth rate in the observation group were higher than those in the control group (P<0.05), and the cycle cancellation rate was lower than that in the control group (P<0.05). There was a negative correlation between endometrial thickness and HAMA score (P<0.05).@*CONCLUSION@#Based on the routine hormone replacement cycle treatment, the addition use of staged acupuncture based on "thoroughfare vessel is the sea of blood" theory could improve the thickness and shape of endometrium, relieve anxiety, increase the clinical pregnancy rate and live birth rate, and reduce the cycle cancellation rate in RIF patients with thin endometrium. The curative effect is superior to the routine hormone replacement cycle treatment alone.


Subject(s)
Female , Pregnancy , Humans , Anxiety , Anxiety Disorders , Acupuncture Therapy , Endometrium , Hormones
8.
Journal of the ASEAN Federation of Endocrine Societies ; : 5-2023.
Article in English | WPRIM | ID: wpr-1003673
9.
China Journal of Chinese Materia Medica ; (24): 3612-3622, 2023.
Article in Chinese | WPRIM | ID: wpr-981492

ABSTRACT

This study aimed to analyze the effect of Bletilla striata polysaccharide(BSP) on endogenous metabolites in serum of tumor-bearing mice treated with 5-fluorouracil(5-FU) by untargeted metabolomics techniques and explore the mechanism of BSP in alleviating the toxic and side effects induced by 5-FU. Male BALB/C mice were randomly divided into a normal group, a model group, a 5-FU group, and a 5-FU + BSP group, with eight mice in each group. Mouse colon cancer cells(CT26) were transplanted into the mice except for those in the normal group to construct the tumor-bearing mouse model by subcutaneous injection, and 5-FU chemotherapy and BSP treatment were carried out from the second day of modeling. The changes in body weight, diarrhea, and white blood cell count in the peripheral blood were recorded. The mice were sacrificed and sampled when the tumor weight of mice in the model group reached approximately 1 g. TUNEL staining was used to detect the cell apoptosis in the small intestine of each group. The proportions of hematopoietic stem cells and myeloid progenitor cells in bone marrow were measured by flow cytometry. Five serum samples were selected randomly from each group for untargeted metabolomics analysis. The results showed that BSP was not effective in inhibiting colon cancer in mice, but diarrhea, leukopenia, and weight loss caused by 5-FU chemotherapy were significantly improved after BSP intervention. In addition, apoptotic cells decreased in the small intestinal tissues and the percentages of hematopoietic stem cells and myeloid progenitor cells in bone marrow were significantly higher after BSP treatment. Metabolomics results showed that the toxic and side effects of 5-FU resulted in significant decrease in 29 metabolites and significant increase in 22 metabolites in mouse serum. Among them, 19 disordered metabolites showed a return to normal levels in the 5-FU+BSP group. The results of pathway enrichment indicated that metabolic pathways mainly involved pyrimidine metabolism, arachidonic acid metabolism, and steroid hormone biosynthesis. Therefore, BSP may ameliorate the toxic and side effects of 5-FU in the intestinal tract and bone marrow presumably by regulating nucleotide synthesis, inflammatory damage, and hormone production.


Subject(s)
Animals , Male , Mice , Colonic Neoplasms/drug therapy , Diarrhea , Fluorouracil/adverse effects , Hormones , Metabolomics , Mice, Inbred BALB C , Polysaccharides/pharmacology
10.
China Journal of Chinese Materia Medica ; (24): 3317-3326, 2023.
Article in Chinese | WPRIM | ID: wpr-981469

ABSTRACT

In recent years, reports of adverse reactions related to traditional Chinese medicine(TCM) have been on the rise, especially some traditionally considered "non-toxic" TCM(such as Dictamni Cortex). This has aroused the concern of scholars. This study aims to explore the metabolomic mechanism underlying the difference in liver injury induced by dictamnine between males and females through the experiment on 4-week-old mice. The results showed that the serum biochemical indexes of liver function and organ coefficients were significantly increased by dictamnine(P<0.05), and hepatic alveolar steatosis was mainly observed in female mice. However, no histopathological changes were observed in the male mice. Furthermore, a total of 48 differential metabolites(such as tryptophan, corticosterone, and indole) related to the difference in liver injury between males and females were screened out by untargeted metabolomics and multivariate statistical analysis. According to the receiver operating characteristic(ROC) curve, 14 metabolites were highly correlated with the difference. Finally, pathway enrichment analysis indicated that disorders of metabolic pathways, such as tryptophan metabolism, steroid hormone biosynthesis, and ferroptosis(linoleic acid metabolism and arachidonic acid metabolism), may be the potential mechanism of the difference. Liver injury induced by dictamnine is significantly different between males and females, which may be caused by the disorders of tryptophan metabolism, steroid hormone biosynthesis, and ferroptosis pathways.


Subject(s)
Female , Male , Animals , Mice , Tryptophan , Metabolomics , Fatty Liver , Steroids , Hormones
11.
China Journal of Chinese Materia Medica ; (24): 3246-3254, 2023.
Article in Chinese | WPRIM | ID: wpr-981461

ABSTRACT

As one of the main diseases leading to end-stage renal disease, steroid-resistant nephrotic syndrome(SRNS) can cause serious complications such as infection. Without effective control, this disease can further lead to the malignant development of the renal function, bringing serious social and economic burdens. As previously reported, the formation of SRNS is mostly related to the podocyte injury in the body, i.e., the injury of glomerular visceral epithelial cells. Phosphatidylinositol 3-kinase(PI3K)/protein kinase B(Akt) signaling pathway, nuclear transcription factor-κB(NF-κB) signaling pathway, mammalian target of rapamycin(mTOR)/adenosine monophosphate(AMP)-activated protein kinase(AMPK), transforming growth factor(TGF)-β1/Smads, and other signaling pathways are classical signaling pathways related to podocyte injury. By regulating the expression of signaling pathways, podocyte injury can be intervened to improve the adhesion between podocyte foot processes and glomerular basement membrane and promote the function of podocytes, thereby alleviating the clinical symptoms of SRNS. Through the literature review, traditional Chinese medicine(TCM) has unique advantages and an important role in intervening in podocyte injury. In the intervention in podocyte injury, TCM, by virtue of multi-target and multi-pathway role, can regulate and intervene in podocyte injury in many ways, alleviate the clinical symptoms of SRNS, and interfere with the progress of SRNS, reflecting the unique advantages of TCM. On the other hand, TCM can directly or indirectly inhibit podocyte injury by regulating the above signaling pathways, which can not only promote the effect of hormones and immunosuppressants and shorten the course of treatment, but also reduce the toxic and side effects caused by various hormones and immunosuppressants to exert the advantages of small side effects and low price of TCM. This article reviewed TCM in the treatment of SRNS by interfering with podocyte injury-related signaling pathways and is expected to provide a reference for the in-depth study of TCM in the treatment of SRNS, as well as a theoretical basis and a new direction for the clinical application of TCM to shorten the course of treatment of SRNS and delay the progression to end-stage renal disease.


Subject(s)
Humans , Podocytes , Nephrotic Syndrome/genetics , Medicine, Chinese Traditional , Phosphatidylinositol 3-Kinases/genetics , Signal Transduction , NF-kappa B , AMP-Activated Protein Kinases , Hormones
12.
Acta Academiae Medicinae Sinicae ; (6): 519-525, 2023.
Article in Chinese | WPRIM | ID: wpr-981300

ABSTRACT

Noise is one of the most common environmental hazards to which people are exposed,and the exposure to noise can cause not only hearing but also non-hearing damage.Although noise under safety limits may not affect the auditory system,it can cause changes in stress hormone levels,which is harmful to health.However,the current studies about the impact of noise on health mainly focus on the auditory system,and little is known about the relationship between noise and stress hormone levels.Therefore,this paper reviews the studies involving noise exposure and stress hormone levels,aiming to provide ideas for strengthening the prevention and control of noise hazards.


Subject(s)
Humans , Hearing , Noise/adverse effects , Hormones
13.
Chinese Journal of Biotechnology ; (12): 2874-2896, 2023.
Article in Chinese | WPRIM | ID: wpr-981238

ABSTRACT

Glutamate receptor-like (GLR) is an important class of Ca2+ channel proteins, playing important roles in plant growth and development as well as in response to biotic and abiotic stresses. In this paper, we performed genome-wide identification of banana GLR gene family based on banana genomic data. Moreover, we analyzed the basic physicochemical properties, gene structure, conserved motifs, promoter cis-acting elements, evolutionary relationships, and used real-time fluorescence quantitative polymerase chain reaction (RT-qPCR) to verify the expression patterns of some GLR family members under low temperature of 4 ℃ and different hormone treatments. The results showed that there were 19 MaGLR family members in Musa acuminata, 16 MbGLR family members in Musa balbisiana and 14 MiGLR family members in Musa itinerans. Most of the members were stable proteins and had signal peptides, all of them had 3-6 transmembrane structures. Prediction of subcellular localization indicated that all of them were localized on the plasma membrane and irregularly distributed on the chromosome. Phylogenetic analysis revealed that banana GLRs could be divided into 3 subclades. The results of promoter cis-acting elements and transcription factor binding site prediction showed that there were multiple hormone- and stress-related response elements and 18 TFBS in banana GLR. RT-qPCR analysis showed that MaGLR1.1 and MaGLR3.5 responded positively to low temperature stress and were significantly expressed in abscisic acid/methyl jasmonate treatments. In conclusion, the results of this study suggest that GLR, a highly conserved family of ion channels, may play an important role in the growth and development process and stress resistance of banana.


Subject(s)
Musa/metabolism , Phylogeny , Abscisic Acid/metabolism , Temperature , Stress, Physiological/genetics , Hormones/metabolism , Gene Expression Regulation, Plant , Plant Proteins/metabolism , Gene Expression Profiling
14.
Psicol. ciênc. prof ; 43: e254483, 2023. tab
Article in Portuguese | LILACS, INDEXPSI | ID: biblio-1440795

ABSTRACT

Compreender as estratégias de resolução de conflitos utilizadas por adolescentes na relação com seus pais é fundamental para entender como ocorre seu desenvolvimento saudável. Este artigo investigou a resolução de conflitos de adolescentes em situações de confronto entre o seu domínio pessoal e o controle parental. 36 adolescentes com idades entre 15 e 17 anos, divididos igualmente conforme o sexo, responderam a uma entrevista semiestruturada, que continha quatro situações de conflito hipotéticas. Os dados foram submetidos à análise de conteúdo semântica e a testes não paramétricos. Os resultados foram categorizados em sete estratégias: Assunção de culpa, Submissão, Mentira, Hostilidade, Diálogo/Explicação, Negociação e Outra. A forma predominante de resolução utilizada foi o Diálogo/Explicação, considerada como uma forma recorrente de defender o domínio pessoal. Foram encontradas diferenças em relação ao sexo dos participantes e à situação hipotética. Por fim, os resultados são discutidos em termos de grau de autonomia e tipo de defesa do domínio pessoal.(AU)


Understanding the conflict resolution strategies used by adolescents in their relationship with their parents is fundamental to understanding how their healthy development occurs. This article investigated the resolution of conflicts by adolescents in confrontation situations between their personal domain and parental control. A total of 36 adolescents, aged 15 to 17 years, divided equally according to sex, answered a semi-structured interview that contained four hypothetical conflict situations. Data were subjected to semantic content analysis and non-parametric tests. The results were categorized into seven strategies: Assumption of Guilt, Submission, Lie, Hostility, Dialogue/Explanation, Negotiation, and Other. The predominant form of resolution used was Dialogue/Explanation, considered a recurrent form of defense of the personal domain. Differences were found depending on the participants' gender and the hypothetical situation. Finally, the results are discussed regarding the degree of autonomy and type of defense of the personal domain.(AU)


Enterarse de las estrategias de resolución de conflictos que los adolescentes utilizan en la relación con sus padres es fundamental para comprender cómo ocurre el desarrollo saludable de los adolescentes. A partir de una entrevista semiestructurada, presentamos cuatro situaciones hipotéticas de conflicto que fueron analizadas y respondidas por 36 adolescentes de entre 15 y 17 años, divididos según el género. Los datos se sometieron a un análisis de contenido semántico y a pruebas no paramétricas. Los resultados se categorizaron en siete estrategias de resolución de conflictos: Asunción de culpa, Sumisión, Mentira, Hostilidad, Diálogo/Explicación, Negociación y Otros. La forma de resolución más utilizada fue Diálogo/Explicación, y esta categoría fue una forma de defensa del dominio personal. Asimismo, se encontraron diferencias en función del género de los participantes y conforme la situación hipotética. Los resultados se discuten en términos de grado de autonomía y tipo de defensa del dominio personal.(AU)


Subject(s)
Humans , Male , Female , Adolescent , Adolescent , Negotiating , Family Conflict , Anxiety , Orientation , Parent-Child Relations , Personal Satisfaction , Personality , Personality Development , Primary Health Care , Psychology , Psychology, Social , Psychosexual Development , Psychotherapy , Public Policy , Quality of Life , Role , Sex , Authoritarianism , Social Behavior Disorders , Social Change , Social Dominance , Social Environment , Socialization , Stereotyping , Stress, Psychological , Avoidance Learning , Taboo , Temperament , Temperance , Violence , Behavior and Behavior Mechanisms , Career Choice , Attitude , Child Advocacy , Child Welfare , Choice Behavior , Mental Health , Puberty , Adolescent Behavior , Parenting , Intergenerational Relations , Codependency, Psychological , Interview , Communication , Comprehensive Health Care , Privacy , Adult , Sexuality , Conduct Disorder , Feedback, Psychological , Disclosure , Dangerous Behavior , Principle-Based Ethics , Decision Making , Harm Reduction , Moral Development , Dissent and Disputes , Trust , Friends , Adolescent Development , Sexual Development , Dominance-Subordination , Education , Educational Status , Ego , Emotions , Escape Reaction , Fear , Emotional Intelligence , Sense of Coherence , Forgiveness , Protective Factors , Social Norms , Emotional Adjustment , Underage Drinking , Peer Influence , Conservative Treatment , Perfectionism , Cell Phone Use , Incivility , Self-Management , Ethnocentrism , Freedom , Frustration , Psychological Distress , Social Integration , Empowerment , Transtheoretical Model , Disinformation , Social Cohesion , Citizenship , Gestalt Therapy , Family Support , Psychological Well-Being , Guilt , Happiness , Hormones , Hostility , Human Development , Human Rights , Identity Crisis , Individuation , Juvenile Delinquency , Anger , Leisure Activities , Life Change Events , Loneliness , Love , Deception , Morals , Narcissism , Object Attachment
15.
Psicol. ciênc. prof ; 43: e249352, 2023.
Article in Portuguese | LILACS, INDEXPSI | ID: biblio-1422397

ABSTRACT

Com este estudo buscou-se conhecer as dificuldades e barreiras de pais na educação sexual de jovens com Síndrome de Down, a partir de uma pesquisa descritiva e de natureza qualitativa, utilizando-se o conceito das representações sociais como referencial teórico-metodológico. O estudo foi conduzido em uma Organização Não Governamental (ONG), localizada em Recife (PE), após aprovação do Comitê de Ética e Pesquisa, sob parecer consubstanciado 3.558.587. A amostra do estudo envolveu 11 pais de jovens com Síndrome de Down com idades entre 15 e 24 anos. A coleta de dados foi realizada por meio de entrevistas semiestruturadas. A abordagem escolhida para a interpretação desses dados foi a análise de conteúdo proposta por Bardin. Pode-se elencar como principais dificuldades enfrentadas pelos pais ao conversarem com seus filhos sobre sexualidade: a infantilização do jovem com Síndrome de Down, julgando-o incapaz de experienciar tais fenômenos e compreender a orientação que pudesse ser repassada; o medo em ultrapassar etapas e, de repente, "estimular" o filho a viver sua sexualidade de maneira "precoce"; e o fato de os pais também terem recebido pouca ou nenhuma orientação sexual por parte de suas famílias. Diante das narrativas dos pais, é possível perceber que ainda são muitos os mitos, tabus e preconceitos que permeiam a sexualidade dos jovens com Síndrome de Down, demonstrando que os responsáveis estão despreparados para dar as devidas orientações.(AU)


This study sought to know the difficulties and barriers of parents in the sexual education of young people with Down Syndrome, from a descriptive, qualitative study, using the concept of social representations as a theoretical-methodological framework. The study was conducted in a Non-Governmental Organization (NGO), located in Recife (PE) after approval by the Ethics and Research Committee, under substantiated opinion 3,558,587. The study sample involved 11 parents of young people with Down Syndrome aged between 15 and 24 years. The data collection was carried out by using semi-structured interviews. The approach chosen for interpretation of these data was the content analysis proposed by Bardin. The main difficulties faced by parents in talking with their children about sexuality can be listed as: the infantilization of young persons with Down Syndrome, deeming them incapable of experiencing such phenomena and understanding the guidance that could be given; the fear of overshooting the stages and, suddenly, "stimulating" the child to live their sexuality in an "early" way; and the facts of the parents also having received little or no sexual guidance from their families. Given the parents' narratives, it is possible to realize that there are still many myths, taboos, and prejudices that permeate the sexuality of young people with Down Syndrome, demonstrating that parents were unprepared to provide the right guidance.(AU)


Este estudio buscó conocer las dificultades y barreras de los padres en la educación sexual de los jóvenes con síndrome de Down a partir de un estudio descriptivo, cualitativo, que utilizó el concepto de representaciones sociales como marco teórico-metodológico. La investigación se llevó a cabo en una Organización No Gubernamental (ONG), ubicada en la ciudad de Recife (Pernambuco, Brasil), después de la aprobación del Comité de Ética e Investigación, bajo la opinión fundamentada 3.558.587. La muestra del estudio incluyó a 11 padres de jóvenes con síndrome de Down con edades comprendidas entre 15 y 24 años. La recolección de datos se realizó mediante entrevista semiestructurada. El enfoque elegido para la interpretación de los datos fue el análisis de contenido propuesto por Bardin. Pueden enumerarse como las principales dificultades que enfrentan los padres para hablar sobre la sexualidad con sus hijos: la infantilización del joven con síndrome de Down, considerándolo incapaz de experimentar tales fenómenos y comprender la orientación que se le puede dar; el miedo de ir más allá de las etapas y, de repente, "estimular" al niño a vivir su sexualidad de una manera "temprana"; y el hecho de que los padres también habían recibido poca o ninguna orientación sexual de sus familias. Dadas las narraciones de los padres, es posible darse cuenta de que todavía hay muchos mitos, tabúes y prejuicios sobre la sexualidad de los jóvenes con síndrome de Down, lo que muestra que los padres no estaban preparados para brindarles este tipo de orientación.(AU)


Subject(s)
Humans , Male , Female , Adolescent , Young Adult , Parents , Sex Education , Down Syndrome , Sexuality , Psychology , Repression, Psychology , Sex , Shame , Biology , Puberty , Privacy , Social Integration , Hormones , Acculturation , Libido , Masturbation
16.
Saúde Soc ; 32(2): e210215es, 2023. tab
Article in Spanish | LILACS | ID: biblio-1442164

ABSTRACT

Resumen El objetivo de este trabajo fue indagar el impacto de la pandemia de la covid-19 en el acceso de personas trans a tratamientos hormonales en los servicios de salud pública de la provincia de Córdoba, Argentina. En los meses de junio/julio de 2020, se realizaron 16 entrevistas telefónicas a personas trans en proceso de hormonización y usuarias de servicios públicos de salud, a profesionales sanitarios de dispositivos específicos de atención a personas trans, integrantes de organizaciones sociales y de gestión. Se aplicó un análisis temático que identificó tres temas y subtemas: 1) Estar a la deriva en relación al tratamiento hormonal: Reestructuración de servicios de salud; Sentimientos de incertidumbre; 2) Lo necesito, el cuerpo lo pide: suministro de hormonas: Significados en torno al tratamiento; Estrategias y resistencias; 3) Oportunidad de visibilizar fallas estructurales: las hormonas como la punta del iceberg: Déficit en las políticas públicas: en pandemia desde hace muchos años; Exclusiones del CIStema de salud. Se concluyó que la pandemia acarreó un grave retroceso para los derechos de las personas trans. Sin embargo, se identificaron estrategias claves de acceso, vinculadas principalmente a las organizaciones y activistas trans y travestis.


Abstract The purpose of this research was to study the impact of covid-19 pandemic on transgender people's access to healthcare and hormone gender-affirming treatments in public healthcare services of the province of Córdoba, Argentina. Between June/July-2020, sixteen telephone interviews were conducted with people in gender-affirming hormone treatments in public healthcare services, professionals, members of social organizations and management. A thematic analysis was carried out, identifiying three themes and sub-themes: 1) Being adrift in relation to hormonal treatment: Restructuring of healthcare services; Feelings of uncertainty. 2) I need it, the body asks for it: supply of hormones: Meanings around treatment; Strategies and resistance. 3) Opportunity to make visible structural failures: hormones as the tip of the iceberg: Deficit in public policies: in a pandemic for many years; Exclusions from the CISHealthcare System. We conclude that the pandemic implied a serious setback for transgender people's rights. However, strategies were identified, mainly linked to transgender organizations and activists, which were key to access.


Subject(s)
Humans , Male , Female , Public Policy , Transsexualism , Health Systems , Gender Identity , COVID-19 , Health Services Accessibility , Hormones/therapeutic use
17.
Rev. Ciênc. Méd. Biol. (Impr.) ; 21(2): 274-282, out.2022.
Article in Portuguese | LILACS | ID: biblio-1400235

ABSTRACT

Introdução: os anticoncepcionais orais hormonais são fármacos constituídos por hormônios, geralmente combinados, estrogênio e progestogênio, ou apenas progestogênio. Devido às propriedades características desses hormônios, são também responsáveis por diversos efeitos colaterais, o que tem levado a uma evolução contínua das formulações e tem-se observado vários benefícios não contraceptivos à saúde da mulher. Objetivo: o objetivo dessa revisão foi analisar os usos não contraceptivos dos anticoncepcionais orais hormonais, evidenciando sua eficácia e segurança. Metodologia: A pesquisa foi realizada em bases de dados eletrônicos e portais de busca, priorizando materiais publicados na faixa anual de 2008 a 2018, sendo encontrados 332 e utilizados 148 materiais de estudo. Resultados: esses fármacos tem sido uma alternativa eficaz de tratamento da síndrome do ovário policístico, uma vez que reduzem os androgênios circulantes e induzem a melhora dos sintomas como acne, irregularidade menstrual e dismenorreia. Estão associados ao tratamento da endometriose e à menor incidência de câncer de ovário. Neste último, exercem um efeito protetor durante anos, até mesmo após a interrupção. Conclusão: assim, os anticoncepcionais orais hormonais têm representado uma nova proposta terapêutica simples, segura e eficaz, para diversas utilidades não contraceptivas, e seus benefícios ultrapassam os riscos associados, proporcionando uma terapia adequada e individualizada para cada mulher.


Introduction: hormonal oral contraceptives are drugs consisted by hormones, usually combined, estrogen and progestogen, or just progestins. Due to the characteristic properties of these hormones, they are also responsible for several side effects, which has led to a continuous evolution of the formulations and various non-contraceptive benefits to women's health have been observed. Objective:the objective of this review was to analyze the non-contraceptive uses of hormonal oral contraceptives, showing their effectiveness and safety. Methodology: the research was conducted in electronic databases and search portals, prioritizing materials published in the annual range from 2008 to 2018, with 332 found and 148 study materials used. Results: these drugs have been an effective alternative for the treatment of polycystic ovary syndrome, since they reduce circulating androgens and induce improvement in symptoms such as acne, menstrual irregularity and dysmenorrhea. They are associated with the treatment of endometriosis and a lower incidence of ovarian cancer. In the latter, they have a protective effect for years, even after the interruption. Conclusion: thus, hormonal oral contraceptives have represented a new simple, safe and effective therapeutic proposal, for several non-contraceptive uses, and their benefits outweigh the associated risks, providing an adequate and individualized therapy for each woman


Subject(s)
Humans , Female , Adolescent , Adult , Middle Aged , Progestins , Pharmaceutical Preparations , Contraceptive Agents , Estrogens , Hormones
18.
Alerta (San Salvador) ; 5(2): 112-117, jul. 22, 2022. ilus
Article in Spanish | BISSAL, LILACS | ID: biblio-1379956

ABSTRACT

El síndrome de insensibilidad a los andrógenos (SIA), conocido también como un síndrome de feminización testicular, incluye un grupo variado de mutaciones que se relacionan con la disfunción de los receptores de andrógenos y la resistencia de los tejidos diana a la acción de las hormonas masculinas. Es causado por alteraciones genéticas localizadas en la secuencia de codificación de los receptores de andrógenos ligada al cromosoma Xq11 - 12, el gen que codifica al receptor de los andrógenos, de un individuo genéticamente masculino (46 XY). Las formas clínicas moderada, parcial o completa, dependen del grado de insensibilidad androgénica. Los avances en las causas genéticas han permitido que estas condiciones congénitas de desarrollo del sexo cromosómico, gonadal o anatómico atípico sean denominados trastornos de diferenciación sexual


Androgen insensitivity syndrome (AIS), also known as testicular feminization syndrome, includes a diverse group of mutations that are related to androgen receptor dysfunction and resistance of target tissues to the action of hormones masculine. It is caused by localized genetic alterations in the androgen receptor coding sequence linked to chromosome Xq11-12, the gene encoding the androgen receptor, of a genetically male (46 XY) individual. Moderate, partial, or complete clinical forms depend on the degree of androgen insensitivity. Advances in genetic causes have allowed these congenital conditions of atypical chromosomal, gonadal, or anatomical sex development to be called disorders of sexual differentiation


Subject(s)
Androgen-Insensitivity Syndrome , Androgens , Disorders of Sex Development , Syndrome , Chromosomes , El Salvador , Hormones
19.
Chinese Journal of Oncology ; (12): 54-59, 2022.
Article in Chinese | WPRIM | ID: wpr-927315

ABSTRACT

Breast cancer is the most common malignant tumor in women, of which early-stage (stages Ⅰ-Ⅱ) breast cancer (EBC) accounts for 73.1%. The strategy of postoperative adjuvant treatment relies mainly on the clinicopathologic characteristics of patients, but there are certain deficiencies in the assessment of treatment benefits and disease prognosis. Multigene testing tools can evaluate the prognosis and predict therapeutic effects of breast cancer patients to guide the clinical decision-making on whether to use adjuvant chemotherapy, radiotherapy, and endocrine therapy by detecting the expression levels of specific genes. The consensus-writing expert group, based on the characteristics, validation results, and accessibility of the multigene testing tools and combined with clinical practice, described the result interpretation and clinical application of OncotypeDx(®) (21-gene), MammaPrint(®) (70-gene), RecurIndex(®) (28-gene), and BreastCancerIndex(®) (BCI, 7-gene) for hormone receptor-positive and human epidermal growth factor receptor 2-negative EBC. The development and validation process of each tool was also briefly introduced. It is expected that the consensus will help to guide and standardize the clinical application of multigene testing tools and further improve the level of precise treatment for EBC.


Subject(s)
Female , Humans , Breast Neoplasms/genetics , Chemotherapy, Adjuvant , China , Consensus , Hormones/therapeutic use , Prognosis , Receptor, ErbB-2/genetics
20.
China Journal of Chinese Materia Medica ; (24): 1932-1941, 2022.
Article in Chinese | WPRIM | ID: wpr-928190

ABSTRACT

This study aims to explore the toxicity mechanism of Rhododendri Mollis Flos(RMF) based on serum metabolomics and network toxicology. The toxic effect of RMF on normal rats was evaluated according to the symptoms, serum biochemical indexes, and histopathology. Serum metabolomics was combined with multivariate statistical analysis to search endogenous differential metabolites and related metabolic pathways. The toxic components, targets, and signaling pathways of RMF were screened by network toxicology technique, and the component-target-metabolite-metabolic pathway network was established with the help of serum metabolomics. The result suggested the neurotoxicity, hepatotoxicity, and cardiotoxicity of RMF. A total of 31 differential metabolites and 10 main metabolic pathways were identified by serum metabolomics, and 11 toxic components, 332 related target genes and 141 main signaling pathways were screened out by network toxicology. Further analysis yielded 7 key toxic components: grayanotoxin Ⅲ,grayanotoxinⅠ, rhodojaponin Ⅱ, rhodojaponin Ⅴ, rhodojaponin Ⅵ, rhodojaponin Ⅶ, and kalmanol, which acted on the following 12 key targets: androgen receptor(AR), albumin(ALB), estrogen receptor β(ESR2), sex-hormone binding globulin(SHBG), type 11 hydroxysteroid(17-beta) dehydrogenase(HSD17 B11), estrogen receptor α(ESR1), retinoic X receptor-gamma(RXRG), lactate dehydrogenase type C(LDHC), Aldo-keto reductase(AKR) 1 C family member 3(AKR1 C3), ATP binding cassette subfamily B member 1(ABCB1), UDP-glucuronosyltransferase 2 B7(UGT2 B7), and glutamate-ammonia ligase(GLUL). These targets interfered with the metabolism of gamma-aminobutyric acid, estriol, testosterone, retinoic acid, 2-oxobutyric acid, and affected 4 key metabolic pathways of alanine, aspartate and glutamate metabolism, cysteine and methionine metabolism, steroid hormone biosynthesis, and retinol metabolism. RMF exerts toxic effect on multiple systems through multiple components, targets, and pathways. Through the analysis of key toxic components, target genes, metabolites, and metabolic pathways, this study unveiled the mechanism of potential neurotoxicity, cardiotoxicity, and hepatotoxicity of RMF, which is expected to provide a clue for the basic research on toxic Chinese medicinals.


Subject(s)
Animals , Rats , Cardiotoxicity , Chemical and Drug Induced Liver Injury , Drugs, Chinese Herbal/toxicity , Hormones , Metabolomics
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