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1.
Folia Biol (Praha) ; 70(1): 45-52, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38830122

RESUMO

Effective treatment of patients with autism spectrum disorder (ASD) is still absent so far. Taurine exhibits therapeutic effects towards the autism-like behaviour in ASD model animals. Here, we determined the mechanism of taurine effect on hippocampal neurogenesis in genetically inbred BTBR T+ tf/J (BTBR) mice, a proposed model of ASD. In this ASD mouse model, we explored the effect of oral taurine supplementation on ASD-like behaviours in an open field test, elevated plus maze, marble burying test, self-grooming test, and three-chamber test. The mice were divided into four groups of normal controls (WT) and models (BTBR), who did or did not receive 6-week taurine supplementation in water (WT, WT+ Taurine, BTBR, and BTBR+Taurine). Neurogenesis-related effects were determined by Ki67 immunofluorescence staining. Western blot analysis was performed to detect the expression of phosphatase and tensin homologue deleted from chromosome 10 (PTEN)/mTOR/AKT pathway-associated proteins. Our results showed that taurine improved the autism-like behaviour, increased the proliferation of hippocampal cells, promoted PTEN expression, and reduced phosphorylation of mTOR and AKT in hippocampal tissue of the BTBR mice. In conclusion, taurine reduced the autism-like behaviour in partially inherited autism model mice, which may be associa-ted with improving the defective neural precursor cell proliferation and enhancing the PTEN-associated pathway in hippocampal tissue.


Assuntos
Transtorno Autístico , Hipocampo , Neurogênese , PTEN Fosfo-Hidrolase , Proteínas Proto-Oncogênicas c-akt , Transdução de Sinais , Serina-Treonina Quinases TOR , Taurina , Animais , Camundongos , Transtorno do Espectro Autista/metabolismo , Transtorno do Espectro Autista/tratamento farmacológico , Transtorno Autístico/metabolismo , Transtorno Autístico/tratamento farmacológico , Comportamento Animal/efeitos dos fármacos , Proliferação de Células/efeitos dos fármacos , Modelos Animais de Doenças , Hipocampo/metabolismo , Hipocampo/efeitos dos fármacos , Neurogênese/efeitos dos fármacos , Proteínas Proto-Oncogênicas c-akt/efeitos dos fármacos , Proteínas Proto-Oncogênicas c-akt/metabolismo , PTEN Fosfo-Hidrolase/efeitos dos fármacos , PTEN Fosfo-Hidrolase/metabolismo , Transdução de Sinais/efeitos dos fármacos , Taurina/farmacologia , Serina-Treonina Quinases TOR/efeitos dos fármacos , Serina-Treonina Quinases TOR/metabolismo
2.
Chinese Journal of Geriatrics ; (12): 336-341, 2024.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-1028279

RESUMO

Objective:To investigate the role of 24-dehydrocholesterol reductase(DHCR24)in doxorubicin-induced senescence-related dysfunction of vascular endothelial cells.Methods:Human umbilical vein endothelial cells(HUVECs)were induced with 0.05 μM doxorubicin for 48 h to establish a stress-triggered premature senescence model.The lentiviral transfection method was employed to achieve DHCR24 overexpression in HUVECs.Cell senescence was evaluated by β-galactosidase staining and Western blot to detect the expression of the senescence-related molecules cyclin-dependent kinase inhibitor 1A(P21)and nicotinamide adenine dinucleotide dependent histone deacetylase 1(SIRT1).Western blot was performed to detect DHCR24 and endothelial nitric oxide synthase(eNOS)expression during endothelial senescence.DAF-FM DA(an NO fluorescent probe)was used to detect intracellular NO production.Results:In the stress-triggered premature senescence model of HUVECs induced by doxorubicin, the expression of the senescence marker P21 was up-regulated( t=19.44, P<0.01), SIRT1 was down-regulated( t=10.10, P<0.01, and the expression of DHCR24 was down-regulated( t=5.946, P<0.01), compared with the control group.Meanwhile, eNOS and NO expression was inhibited( t=11.26, P<0.01; t=10.83, P<0.01).After DHCR24 overexpression, compared with the control stimulation group, the overexpression stimulation group showed that DHCR24( F=72.10, P<0.01)was up-regulated.DHCR24 overexpression alleviated the doxorubicin-induced decrease in eNOS and NO( F=5.797, P<0.05; F=45.12, P<0.01), compared with the control group. Conclusions:DHCR24 may mitigate doxorubicin-induced senescence-related vascular endothelial dysfunction by modulating the eNOS/NO signaling pathway.

3.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-1020412

RESUMO

This article reviewed the current status of parent-child communication of breast cancer patients with minor children from the aspects of reasons, timing, modes and contents, and analyzed the possible influencing factors affecting decision-making process from four parts, including the mother, the children,social support and socio-cultural background aspects. It also overviewed relevant interventions focusing on improving the quality of parent-child communication of breast cancer patients. It is expected to provide some suggestions for professionals to construct effective communication interventions in our country.

4.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-1003431

RESUMO

Ulcerative colitis (UC) is a chronic, non-specific inflammatory bowel disease. The pathogenesis of this disease is complex and is attributed to multiple factors. Intestinal mucosal barrier damage is the basic pathological change of UC, and intestinal flora disorder is one of the important characteristics of UC. Intestinal flora plays a key role in the pathological process of UC by regulating intestinal mucosal immunity and inflammatory response to repair the damaged intestinal mucosal barrier. At present, western medicine has the advantages of rapid action onset and significant short-term efficacy, but the curative effect of long-term use is not good, accompanied by many adverse reactions, causing great physical and mental pain to patients. Therefore, it is urgent to explore new treatment methods with definite long-term efficacy and mild adverse reactions. A large number of studies have shown that Chinese medicine can regulate intestinal flora through multiple targets in an all-around way, restore the homeostasis of the flora, and repair the damaged intestinal mucosal barrier, thereby inhibiting the progression of UC. Numerous studies have shown that the active components, monomers, and compounds of Chinese medicine can effectively antagonize UC by regulating the intestinal flora to improve the intestinal mucosal immunity, reduce the inflammatory response of the intestinal mucosa, and restore the normal physiological function of the intestinal mucosal barrier, providing a new strategy for UC prevention and treatment. Although there are some studies of the regulation of intestinal flora by Chinese medicine to prevent and treat UC, those studies have the shortcomings of systematic and comprehensive inadequacy. Therefore, based on the research status of UC, intestinal flora, and Chinese medicine treatment, this study reviewed the relationship between intestinal flora and UC and clarified the key role of intestinal flora in the occurrence and development of UC. At the same time, this paper comprehensively summarized the Chinese medicine that targeted the regulation of intestinal flora for the treatment of UC in the past five years to provide new strategies and ideas for UC treatment.

5.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-1005278

RESUMO

Ulcerative colitis (UC) is a chronic inflammatory bowel disease with complex etiology. The pathogenesis of this disease, due to a combination of factors, is complex and has not yet been elucidated. Among them, intestinal mucosal barrier damage is the basic pathological change of UC. As a non-destructive response of cells, autophagy regulates intestinal mucosal immunity, inflammation, oxidative stress, and bacterial homeostasis through degradation and reabsorption to actively repair damaged intestinal mucosal barrier, exerting a key role in the occurrence and development of UC. The disease is mainly treated clinically with aminosalicylic acid preparations, glucocorticoids, and immunosuppressants. Western medicine treatment of the disease has a fast onset of effect, and the short-term efficacy is definite, but the long-term application is easy to be accompanied by more adverse reactions. Moreover, some drugs are expensive, bringing great physical and mental pain and economic burden to patients. Therefore, it is urgent to explore new therapies with stable efficacy and mild adverse effects. In recent years, a large number of studies have shown that Chinese medicine can regulate autophagy of the intestinal mucosa with multiple targets and effects and repair the intestinal mucosal barrier function, thereby inhibiting the development of UC. Many experiments have shown that the active ingredient or monomers and compound formulas of Chinese medicine can improve the immunity of the intestinal mucosa, inflammation, oxidative stress, and flora by regulating the level of autophagy to maintain the normal function of the intestinal mucosal barrier to effectively intervene in UC, providing a new measure for the prevention and treatment of UC. However, there is a lack of systematic review of Chinese medicine in regulating the level of autophagy in the intestinal mucosa for the prevention and treatment of UC. Therefore, based on the current research on UC, autophagy process, and Chinese medicine treatment, this article reviewed the relationship of autophagy and its key target proteins with UC to clarify the key role of autophagy in UC production and systematically summarized Chinese medicines targeting the regulation of autophagy to treat UC in recent years to provide new ideas for the treatment and drug development of UC.

6.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-965673

RESUMO

Ulcerative colitis (UC) mainly occurs in the colon and rectum, with complex pathological mechanism. The occurrence of ulcerative colitis is associated with the uncontrollable inflammatory response of the intestine. The Western medicine therapy of UC mainly uses glucocorticoids and immunosuppressants to reduce intestinal inflammation. While blocking the progress of UC to a certain extent, it causes severe adverse reactions. More and more studies have confirmed that traditional Chinese medicine (TCM) has obvious advantages in the prevention and treatment of UC and can significantly reduce the recurrence of the disease. Pyroptosis, a novel form of cell death, can destroy cell structure, release intracellular pro-inflammatory substances, and mediate intestinal immune response in UC. TCM can promote pyroptosis (removing excess) or inhibit pyroptosis (replenishing deficiency), which is consistent with the regulation of Yin and Yang. TCM plays a role in the treatment of UC mainly by inhibiting pyroptosis (replenishing deficiency) and reducing intestinal immune response. In recent years, a large number of studies have been carried out to decipher the mechanism of TCM in the treatment of UC via NOD-like receptor protein domain 3 (NLRP3)-mediated pyroptosis pathway. The results have demonstrated that NLRP3 pathway is the key target of TCM in the treatment of UC. However, a comprehensive summary remains to be carried out on the inhibition of NLRP3-mediated pyroptosis pathway by TCM in the treatment of UC. Therefore, we retrieved the articles in this field in recent years with the keywords "pyroptosis", "NLRP3", "ulcerative colitis", and "Chinese medicine". The Chinese medicines regulating NLRP3 pathway mainly have the functions of clearing heat and drying dampness, harmonizing Qi and blood, moving Qi and dredging fu-organs, and invigorating spleen and removing dampness. The findings can help researchers to fully understand the mechanism of TCM in the treatment of UC via the NLRP3 pathway and provide a theoretical basis for the treatment of UC and further drug development.

7.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-979470

RESUMO

With the improvement of people's living standards and the increasing aging population, the incidence of cardiovascular diseases has sharply risen, making it the leading cause of death and a major "killer" for humans. The prevention and treatment of cardiovascular diseases still face severe challenges. Shenmai injection (SMI), a Chinese medicinal preparation, is widely used in the prevention and treatment of cardiovascular diseases because of its individualized advantages in syndrome differentiation and definite efficacy. Meanwhile, its pharmacological effects and related mechanism are becoming increasingly clear. Modern research shows that SMI can exert cardioprotective effects by reducing myocardial inflammatory response, alleviating oxidative stress, inhibiting myocardial cell apoptosis, improving microcirculatory dysfunction after myocardial ischemia-reperfusion, protecting mitochondrial structure and function, inhibiting ventricular remodeling, reducing drug-induced cardiotoxicity, and possessing antiviral properties. Additionally, it can produce cardiovascular protection by relaxing blood vessels, protecting endothelial cells, and promoting angiogenesis. Furthermore, SMI can lower blood viscosity and lipid levels, thus improving blood rheology. In the future, more clinical trials and basic research are needed to clarify its therapeutic efficacy and target mechanism to further confirm the effectiveness and safety of its clinical application.

8.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-1029432

RESUMO

Objective:To seek any correlation between cortical activity and the swallowing of dysphagia patients with infratentorial stroke, and to observe any effect of three-needle acupuncture of the tongue on such activity.Methods:Thirty infratentorial stroke survivors with dysphagia were randomly divided into a tongue three-needle group and a sham acupuncture group, each of 15. Functional near-infrared spectroscopy was used to monitor changes in the concentration of oxygenated hemoglobin (ΔHbO 2) at rest, during acupuncture (or sham acupuncture), during real or sham electro-acupuncture, and at rest after the acupuncture or sham acupuncture treatment. The Modified Rankin Scale, a Penetration-Aspiration Scale (PAS), and the Functional Oral Intake Scale were employed to assess overall functional disability and the swallowing of both groups. Results:At rest the average ΔHbO 2 concentrations recorded in the left primary motor cortex, the left dorsolateral prefrontal cortex and the left premotor cortex in both groups were positively correlated with the PAS scores. During the acupuncture ΔHbO 2 concentration in the right inferior frontal gyrus and the left middle temporal gyrus increased significantly in the tongue three-needle group. It decreased significantly in the left somatosensory cortex and the left primary motor cortex. Conclusion:Three-needle acupuncture of the tongue induces changes in cortical activity in infratentorial stroke survivors with dysphagia, suggesting a potential technique for improving disordered swallowing.

9.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-988898

RESUMO

ObjectiveTo understand the internet media information of COVID-19 in Shanghai in 2022, to provide evidence for health administration departments to respond to public health emergencies, and to establish a comprehensive public health media surveillance system. MethodsData on internet media information and the local COVID-19 epidemic data in Shanghai from January 1 to June 30, 2022 were collected and analyzed. ResultsA total of 90.197 3 million pieces of internet media information were monitored. The top four sources of the information were Weibo (36.84%), short videos (26.19%), internet media (14.47%), and forums (13.31%). The variation trend of daily internet media surveillance information was identified with the number of newly reported cases per day, and a correlation was found (r=0.770. After the seven-day moving average,r=0.796). Frequent keywords included Shanghai, cheer up, nucleic acid, new cases, local, asymptomatic, prevention and control, gratitude, isolation, epidemic prevention, supplies, pandemic response, patient, seeking help, and clearing the cases. Within the information on Weibo, in addition to netizens in Shanghai (7 823 100) who were highly concerned about the pandemic, netizens from Beijing (2 749 100), Guangdong Province (2 352 300), Jiangsu Province (2 189 100) and Zhejiang Province(1 532 100) also posted a relatively high amount of information related to COVID-19 in Shanghai. ConclusionThe outbreak of major infectious diseases triggers significant online activity, and platforms such as Weibo and short video platforms play crucial roles in disseminating internet media information. Weibo, short videos etc. are important platforms for current internet media information. Strengthening media information monitoring and analysis, paying close attention to hot events, taking timely response measures and actively engaging in risk communication contribute to the response and management of public health emergencies.

10.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-989618

RESUMO

Objective:To explore the rules of Traditional Chinese Medicine (TCM) prescriptions of gastroesophageal reflux disease based on Ancient and Modern Medical Records Cloud Platform.Method:The relevant medical cases from ancient medical case database, modern medical case database, shared medical case database and famous doctors' medical case database in Ancient and Modern Medical Records Cloud Platform (V2.3.8) were selected, and frequency analysis, attribute analysis, association analysis, cluster analysis and complex network analysis were performed on the herbs.Results:A total of 107 medical records were obtained, including 225 TCMs. The core medicines were Radix et Rhizoma Glycyrrhizae, Pericarpium Citri Reticulatae, Rhizoma Coptidis, Poria, and Fructus Evodiae. The drug property was mainly cold and warm, and the herbal tastes bitter and pungent. The meridian tropism of drugs mainly manifested in the spleen and stomach meridians. The core herbal pairs were Radix et Rhizoma Glycyrrhizae and Pericarpium Citri Reticulatae. The core prescription consisted of 17 herbs including Radix Glycyrrhizae, Pericarpium Citri Reticulatae, Rhizoma Coptidis, Fructus Evodiae, Poria, Endoconcha Sepiae, Herba Taraxaci, Fructus Aurantii, Radix Paeoniae Alba, Radix Bupleuri, Jiang Banxia, Rhizoma Cyperi, Radix Aucklandiae, Caulis Bambusae In Taenia, Fructus Aurantii Immaturus, Fructus Amomi, and Rhizoma Atractylodis Macrocephalae. Conclusions:Chinese medicine treatment of gastroesophageal reflux disease is mainly based on Chaihu Shugan Powder, Zuojin Pill, and Wendan Decoction. Moreover, we need to combine with clinical symptoms to add or subtract herbs.

11.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-990699

RESUMO

Objective:To investigate the clinical efficacy of redo rectal resection and coloanal anastomosis.Methods:The retrospective and descriptive study was conducted. The clinicopatholo-gical data of 49 patients who underwent redo rectal resection and coloanal anastomosis for the treatment of local recurrence of tumors and failure of colorectal or coloanal anastomosis after rectal resection in the Sixth Affiliated Hospital of Sun Yat-sen University from November 2012 to December 2021 were collected. There were 32 males and 17 females, aged 57(range,31-87)years. Redo rectal resection and coloanal anastomosis was performed according to the patient′s situations. Observa-tion indicators: (1) surgical situations; (2) postoperative situations; (3) follow-up. Measurement data with normal distribution were represented as Mean± SD, and measurement data with skewed distri-bution were represented as M( Q1, Q3) or M(range). Count data were described as absolute numbers or percentages. Results:(1) Surgical situations. All 49 patients underwent redo rectal resection and coloanal anastomosis successfully, with the interval between the initial surgery and the reopera-tion as 14.2(7.1,24.3)months. The operation time and volume of intraoperative bold loss of 49 patients in the redo rectal resection and coloanal anastomosis was 313(251,398)minutes and 125(50,400)mL, respectively. Of the 49 patients, there were 38 cases receiving laparoscopic surgery including 12 cases with transanoscopic laparoscopic assisted surgery, 11 cases receiving open surgery including 2 cases as conversion to open surgery, there were 20 cases undergoing Bacon surgery, 14 cases undergoing Dixon surgery, 12 cases undergoing Parks surgery, 2 cases undergoing intersphincter resection and 1 case undergoing Kraske surgery, there were 20 cases undergoing rectum dragging out excision and secondary colonic anastomosis, 13 cases undergoing dragging out excision single anastomosis, 12 cases undergoing rectum dragging out excision double anastomosis, 4 cases undergoing first-stage manual anastomosis, there were 21 cases with enterostomy before surgery, 16 cases with prophylactic enterostomy after surgery, 12 cases without prophylactic enterostomy after surgery. The duration of postoperative hospital stay of 49 patients was (14±7)days. (2) Postoperative situations. Fifteen of 49 patients underwent postoperative complications, including 8 cases with grade Ⅱ Clevien-Dindo complications and 7 cases with ≥grade Ⅲ Clevien-Dindo complications. None of 49 patient underwent postoperative transferring to intensive care unit and no patient died during hospitalization. Results of postoperative histopathological examination in 23 patients with tumor local recurrence showed negative incision margin of the surgical specimen. (3) Follow-up. All 49 patients underwent post-operative follow-up of 90 days. There were 42 cases undergoing redo rectal resection and coloanal anastomosis successfully and 7 cases failed. Of the 37 patients with enterostomy, 20 cases failed in closing fistula, and 17 cases succeed. There were 46 patients receiving follow-up with the median time as 16.1(7.5,34.6)months. The questionnaire response rate for low anterior resection syndrome (LARS) score was 48.3%(14/29). Of the patients who underwent redo coloanal anastomosis and closure of stoma successfully, there were 9 cases with mild-to-moderate LARS.Conclusion:Redo rectal resection and coloanal anastomosis is safe and feasible for patients undergoing local recurr-ence of tumors and failure of colorectal or coloanal anastomosis after rectal resection, which can successfully restore intestinal continuity in patients and avoid permanent enterostomy.

12.
Chinese Journal of Dermatology ; (12): 636-641, 2023.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-994525

RESUMO

Objective:To investigate epidemiological characteristics of arsenic poisoning-related skin lesions in an arsenic tailing area in Hunan Province.Methods:A cross-sectional study was conducted. From October 2016 to January 2017, all residents aged over 18 years (except pregnant women) were enrolled from 3 villages in Baiyun Town, Shimen County, Hunan Province by using a cluster-sampling method. Demographic information was collected through a face-to-face questionnaire interview. All residents received skin examination performed by professional dermatologists, and blood, urine, and hair samples were collected for the measurement of arsenic levels. Non-conditional logistic regression analysis was performed to analyze factors associated with arsenic poisoning-related skin lesions.Results:A total of 1 092 eligible residents in the arsenic tailing area were recruited in this study, and 756 (69.2%, 95% CI: 66.5%, 72.0%) presented with arsenic poisoning-related skin lesions, including hyperkeratosis, hypo- or hyper-pigmentation. The median ( Q1, Q3) arsenic levels were 0.31 (0.14, 0.74) μg/g in hair samples ( n = 1 079), 0.84 (0.67, 1.10) μg/L in blood samples ( n =1 091), and 60.31 (41.71, 91.52) μg/L in urine samples ( n =1 092). Multivariable analysis showed that the occurrence of arsenic poisoning-related skin lesions was associated with age, residential location, and occupational arsenic exposure history, but was not associated with gender, ethnicity, education levels, migration history, arsenic levels in hair, blood, or urine. Compared with the group aged 18 - 39 years, the group aged 40 - 59 years and the group aged over 60 years showed significantly higher risks of arsenic poisoning-related skin lesions (adjusted OR = 11.34, 95% CI: 5.98, 21.50, P < 0.001; adjusted OR = 71.82, 95% CI: 35.81, 144.05, P < 0.001, respectively). Compared with the residents in the Wangyangqiao village, residents in the Heshan village and Huangchang village showed significantly higher risks of arsenic poisoning-related skin lesions (adjusted OR = 2.89, 95% CI: 2.05, 4.08, P < 0.001; adjusted OR = 4.13, 95% CI: 1.94, 8.78, P < 0.001, respectively). The risk of arsenic poisoning-related skin lesions was significantly higher in residents with occupational exposure history than in those without (adjusted OR = 1.99, 95% CI: 1.04, 3.83, P = 0.039) . Conclusion:Nearly 70% of the residents presented with arsenic poisoning-related skin lesions in an arsenic tailing area in Hunan Province, and the duration and previous degree of arsenic exposure were associated with the risk of arsenic poisoning-related skin lesions.

13.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-995718

RESUMO

Objective:To investigate the biological characteristics of Kerstersia gyiorum and to support the rapid and accurate identification of Kerstersia gyiorum on mass spectrometry by using Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry (MALDI-TOF-MS) for self-built libraries. Methods:From November 2020 to February 2022, thirty-eight strains of Kerstersia gyiorum isolated from clinical patients of the General Hospital of Southern Theatre Command were collected and identified by the fully automated microbial analysis system (Vitek-2 Compact), the automatic microbial mass spectrometry detection system (Vitek-MS) and the 16S ribosomal RNA sequencing. Thirteen strains were randomly selected and mass spectra were obtained by using Vitek-MS. The SARAMIS software was used to construct a Kerstersia gyiorum library, and the remaining 25 strains were used to validate the constructed library. Results:The Vitek-2 Compact and Vitek MS were unable to identify Kerstersia gyiorum; 13 strains were successfully built into a self-built library of Kerstersia gyiorum by SARAMIS software, and 25 validated strains were identified as Kerstersia gyiorum with a confidence level of more than 99.0% and 100% (25/25) accuracy. Conclusion:Kerstersia gyiorum has unique mass spectrometry profile, which can be identified as species quickly and accurately by the establishment of the self-constructed library of profiles.

14.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-996525

RESUMO

Ulcerative colitis (UC) is a disease that affects the mucosal and submucosal layers of the colon and is characterized by inflammation of the intestinal mucosa. The incidence of UC is increasing year by year, and it is complex and refractory, severely impacting the physical and mental health of patients. The pathological mechanism of this disease is complex, with immune responses and uncontrollable inflammatory reactions in the intestine being important physiopathologic mechanisms. Toll-like receptor 4 (TLR4), as a transmembrane signaling receptor, plays a key role in mediating immune responses and inflammatory reactions in the development of UC. Currently, the treatment of UC mainly relies on salicylic acids, glucocorticoids, and other agents to reduce intestinal inflammation. While these drugs can partially inhibit the progression of the disease, they often come with significant adverse effects and the potential for relapse upon discontinuation. Traditional Chinese medicine (TCM) offers multiple pathways, effects, and targets for regulating the TLR4 pathway, suppressing inflammatory responses, and effectively intervening in the progression of UC. This approach has become a hot topic in the prevention and treatment of UC. Numerous studies have shown that TCM treatment of UC has unique advantages. TCM can enhance immune defenses, suppress inflammatory responses, promote intestinal mucosal healing, and maintain the balance of the intestinal microbiota by regulating the TLR4 signaling pathway, thereby effectively treating UC, with substantial progress achieved. However, there is currently a lack of comprehensive reviews on the role of TCM in regulating the TLR4 signaling pathway for the treatment of UC. Therefore, this article systematically summarized the relationship between the TLR4 signaling pathway and UC, as well as the role of TCM in this context, by reviewing relevant literature from recent years, aiming to provide new insights into the potential treatment and new drug development for UC.

15.
China Pharmacy ; (12): 2671-2677, 2023.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-997805

RESUMO

Ulcerative colitis (UC) is a clinical chronic intestinal disease, and the damage of the intestinal epithelial mucus barrier is an important pathological mechanism of UC. Mucin 2 (MUC2) is a major component of the intestinal mucus barrier, and goblet cells are the “main force” of MUC2 secretion, maintaining and renewing the intestinal mucus layer to ensure its integrity. Therefore, repairing the intestinal mucus barrier by promoting the synthesis of MUC2 by goblet cells is an important strategy for the treatment of UC. Traditional Chinese medicine scholars believe that there is an inherent layer of “lipid membrane” or “fat paste” in the intestine, and pathological factors such as moisture and heat lead to the thinning of this structure, which is the fundamental pathogenesis of “diarrhea” and “intestinal dysentery”. It coincides with the damage of intestinal mucus barrier leading to UC in modern medicine. Based on this, this paper summarized the mechanism of Chinese herbal compounds or Chinese herbal active components in regulating intestinal mucus barrier to interfere with UC. It was found that Chinese herbal compounds such as Huanglian jiedu decoction, Shaoyao decoction and Compound Kusen decoction, as well as Chinese herbal active ingredients such as volatile oil of Atractylodes lancea, paeoniflorin and papaya triterpenes could promote the synthesis and secretion function of goblet cells, and achieve the purpose of “thickening intestine”, thus relieving UC symptoms.

16.
Artigo em Inglês | WPRIM (Pacífico Ocidental) | ID: wpr-1011002

RESUMO

In pursuit of effective agents for hepatocellular carcinoma derived from the Artemisia species, this study built upon initial findings that an ethanol (EtOH) extract and ethyl acetate (EtOAc) fraction of the aerial parts of Artemisia dubia Wall. ex Bess. exhibited cytotoxicity against HepG2 cells with inhibitory rates of 57.1% and 84.2% (100 μg·mL-1), respectively. Guided by bioactivity, fourteen previously unidentified sesquiterpenes, artemdubinoids A-N (1-14), were isolated from the EtOAc fraction. Their structural elucidation was achieved through comprehensive spectroscopic analyses and corroborated by the comparison between the experimental and calculated ECD spectra. Single crystal X-ray diffraction provided definitive structure confirmation for artemdubinoids A, D, F, and H. Artemdubinoids A and B (1-2) represented unique sesquiterpenes featuring a 6/5-fused bicyclic carbon scaffold, and their putative biosynthetic pathways were discussed; artemdubinoid C (3) was a novel guaianolide derivative that might be formed by the [4 + 2] Diels-Alder reaction; artemdubinoids D and E (4-5) were rare 1,10-seco-guaianolides; artemdubinoids F-K (6-11) were chlorine-containing guaianolides. Eleven compounds exhibited cytotoxicity against three human hepatoma cell lines (HepG2, Huh7, and SK-Hep-1) with half-maximal inhibitory concentration (IC50) values spanning 7.5-82.5 μmol·L-1. Artemdubinoid M (13) exhibited the most active cytotoxicity with IC50 values of 14.5, 7.5 and 8.9 μmol·L-1 against the HepG2, Huh7, and SK-Hep-1 cell lines, respectively, which were equivalent to the positive control, sorafenib.


Assuntos
Humanos , Artemisia/química , Sesquiterpenos/química , Linhagem Celular , Células Hep G2 , Cristalografia por Raios X , Estrutura Molecular
17.
Preprint em Inglês | medRxiv | ID: ppmedrxiv-22280337

RESUMO

IntroductionIn 2020, the COVID-19 epidemic swept the world, and many national health systems faced serious challenges. To improve future public health responses, its necessary to evaluate the performance of each countrys health system. MethodsWe developed a resilience evaluation system for national health systems based on their responses to COVID-19 using four resilience dimensions: government governance and prevention, health financing, health service provision, and health workers. We determined the weight of each index by combining the three-scale and entropy-weight methods. Then, based on data from 2020, we used the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) method to rank the health system resilience of 60 countries, then used hierarchical clustering to classify countries into groups based on their resilience level. Finally, we analyzed the causes of differences among countries in their resilience based on the four resilience dimensions. ResultsSwitzerland, Japan, Germany, Australia, South Korea, Canada, New Zealand, Finland, the United States, and the United Kingdom had the highest health system resilience in 2020. Eritrea, Nigeria, Libya, Tanzania, Burundi, Mozambique, Republic of the Niger, Benin, Cote dIvoire, and Guinea had the lowest resilience. Government governance and prevention of COVID-19 will greatly affect a countrys success in fighting future epidemics, which will depend on a governments emergency preparedness, stringency (a measure of the number and rigor of the measures taken), and testing capability. Given the lack of vaccines or specific drug treatments during the early stages of the 2020 epidemic, social distancing and wearing masks were the main defenses against COVID-19. Cuts in health financing had direct and difficult to reverse effects on health systems. In terms of health service provision, the number of hospitals and intensive care unit beds played a key role in COVID-19 clinical care. ConclusionResilient health systems were able to cope more effectively with the impact of COVID-19, provide stronger protection for citizens, and mitigate the impacts of COVID-19. Our evaluation based on data from 60 countries around the world showed that increasing health system resilience will improve responses to future public health emergencies. Key QuestionsO_ST_ABSWhat is already known?C_ST_ABSO_LIAccording to a report by the World Health Organization, the COVID-19 epidemic placed the health systems of many countries at risk of collapse. C_LIO_LIAt present, there is no evaluation index system to measure the resilience of each countrys health system against a pandemic, and there has been no quantitative assessment of the resilience of each countrys health system based on their responses to COVID-19. C_LI What are the new findings?O_LIWe assessed, ranked, and quantified the health system resilience of 60 representative countries based on their responses to COVID-19 using data from 2020 on four dimensions of resilience: government governance and prevention, health financing, health service provision, and the health workforce. C_LIO_LIWestern Europe, East Asia, North America, and Southern Oceania had better health system resilience, whereas Africa had low health system resilience, with very low health financing scores and weak health systems with structural and regional imbalances. C_LIO_LIHealth system resilience was heavily influenced by government governance and prevention, as well as by government emergency preparedness, the stringency of their response (a measure of the number and rigor of the measures taken), and their testing capability. C_LI What do the new findings imply?O_LIGlobal health system resilience varied widely among countries, and many health systems remain weak and unprepared for another pandemic such as COVID-19. As a result, future pandemics will remain a major problem for humanity if improvements are not made by each government. C_LIO_LIIn underdeveloped countries and regions, infectious diseases can be controlled more effectively through more efficient government governance and strict surveillance and detection measures, but achieving this depends heavily on the speed of government decision making and the level of policy formulation related to the most effective way to strengthen health systems and improve their resilience. Assistance from developed country will be essential in improving resilience. C_LI

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Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-953903

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ObjectiveTo determine the current status and characteristics of tuberculosis (TB) registration and treatment in Kashgar, and to provide scientific evidence for targeted prevention and control measures in future. MethodsKashgar registered TB cases information in 2011 to 2020 was exported from the National Tuberculosis Management Information System. Descriptive epidemiological analysis was conducted using Stata 12.0. ResultsFrom 2011 to 2020, number of Kashgar registered TB patients showed rising trend, followed by a falling one. Average proportion of annual decline in registered TB incidence was 40.48% from 2018 to 2020. From 2011 to 2016, number of registered TB patients in women was always higher than that in men, with a gender ratio (male : female) of about 0.90. In 2017, the gender ratio was 1.00. From 2018 to 2020, the gender ratios were 1.05, 1.20, and 1.12, respectively. Moreover, number of registered TB cases increased with age (χ2=547.79, P<0.001). Proportion of registered TB cases was relatively large in Shache County (16.43%‒23.64%), Yengisar County (9.51%‒13.87%) , Kashgar City (8.11%‒11.40%), Yecheng County (6.98%‒13.40%) and Bachu County(4.92%‒16.65%). Proportion of recurrent TB cases in Kashgar had increased to 27.29%, 20.77% and 28.39% in 2018, 2019 and 2020, respectively. Multivariate analysis showed that age, drug resistance, calendar year and etiological diagnosis were significantly correlated with the proportion of recurrent cases (all P<0.05). ConclusionSince 2018, TB incidence has decreased significantly due to the increasing efforts for identification and treatment of TB cases. However, Kashgar remains facing a high TB incidence. TB cases that are elderly, drug-resistant and positive for pathogen are susceptible to recurrent treatment. In future, targeted prevention and control measures should be improved for these groups.

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Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-954353

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Objective:Based on the National Patent Database, this paper analyzes the medication rule of Traditional Chinese Medicine (TCM) compound patents for the treatment of colorectal cancer in the past 10 years.Methods:By searching for and extracted screening out TCM compound patents for the treatment of colorectal cancer and after the dada selection, data entry , data specifications, the compound patents database for the treatment of colorectal cancer was established. then used IBM SPSS Modeler and IBM SPSS Statistics software to perform frequency analysis, attribute analysis, association analysis and cluster analysis of TCM.Results:A total of 97 compound patents were included, including 411 TCM, among which the core medicines are Atractylodis macrocephalae rhizoma, Hedyotis diffusa, Astragali radix, Glycyrrhizae radix et rhizoma, Scutellariae barbatae herba, Poria, etc. The medicine is mainly cold and warm; The medicine mainly tastes bitter and sweet; The spleen meridian is the main meridian. The cluster analysis result shows there are 7 categories, and the paired TCM with strong correlation includes Hedyotis diffusa- Scutellariae barbatae herba, Atractylodis macrocephalae rhizoma- Curcumae rhizoma, Astragali radix- Codonopsis radix and so on. Conclusions:Treating colorectal cancer should take those medicine which could invigorate the spleen and nurture the deficiency, such as Atractylodis macrocephalae rhizoma, Astragali radix, Codonopsis radix, while for clearing away heat, detoxifying, promoting blood circulation and removing blood stasis, such as Hedyotis diffusa, Scutellariae barbatae herba, and Curcumae rhizoma. At the same time, it can be combined as appropriate, attacking and replenishing simultaneously, regulating qi and blood.

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Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-954469

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Objective:The medical records collected on the Ancient and Modern Medical Record Cloud Platform were used to explore the medication rules of Traditional Chinese Medicine for the treatment of ulcerative colitis.Methods:By selecting the medical cases of the modern medical database and medical cases of famous doctors in the ancient medical database on the cloud platform to analyze the frequency, attribution, association, and complex network of those medicines.Results:A total of 209 medical records were obtained, including 319 Traditional Chinese Medicines, of which the core medicines were Rhizoma Coptidis, Radix Aucklandiae, Poria, Radix Paeoniae Alba, and Radix Glycyrrhizae. The properties of those medicines were warm, mild, and cold. The main taste is bitter and sweet, and most of them attibute to spleen, stomach, and liver meridians. The core pair medicine is Radix Aucklandiae-Rhizoma Coptidis. The core prescription was composed of nine herbs including Rhizoma Atractylodis Macrocephalae, Radix Paeoniae Alba, Radix Scutellariae, Radix Aucklandiae, Rhizoma Coptidis, Radix Glycyrrhizae, Radix Pulsatillae, Poria, and Radix Codonopsis. Conclusion:The treatment of ulcerative colitis with Traditional Chinese Medicine mainly include Sijunzi Decoction and Xianglian Pill, accompanied with those medicines which could clear heat with detoxication function, cool the blood and stop diarrhea, By doing so, ulcerative colitis could be treated both in the surface and the root.

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