Influence of sexual hormones on Chagas disease / Influencia de las hormonas sexuales en la enfermedad de Chagas

Abstract Objective: Analyze sex hormone's influence during Chagas disease. Methods: Male and female BALB/c mice were divided into six groups, four experimental (sham, orchiectomized, orchiectomized and supplemented with estradiol, orchiectomized supplemented with testosterone, oophorectomized, oophorectomized and supplemented with estradiol, and oophorectomized and supplemented with testosterone), and two control (healthy and intraperitoneally with T. cruzi strain NINOA infected). Clinical data were recorded daily, parasitemia was evaluated using a Neubauer chamber during the infection, and heart histopathological analysis was performed using the paraffin embedding technique. To analyze parasitemia curves and the area under the parametric curves, two-way ANOVA test was performed to correlate groups' data. P-values < 0.05 were considered statistically significant. Results: Higher mortality rates, cardiomegaly, hepatomegaly, ascites, edema, higher parasitemia levels, more amastigote nests, and more severe inflammatory infiltrate were found in higher testosterone concentration mice, whereas in higher estradiol concentration groups, paresia, prostration, edema, and necrosis were found. Conclusions: Our results showed that testosterone increased infection severity, whereas estradiol had the opposite effect. This research improves the understanding of sex hormones´ infuence upon this infection to contribute with the handling of Chagas´ disease.

Resumen Objetivo: Analizar la influencia de las hormonas durante la enfermedad de Chagas. Métodos: Se separaron grupos de ratones macho y hembras BALB/c, todos infectados con T. cruzi (cepa NINOA), 4 grupos experimentales de machos (Sham, orquidectamizados, orquidectimezados y suplementados con estradiol, orquidectamizaos y suplementados con testosterona). 4 grupos experimentales de hembras (oforectomizadas, oforectomizadas y suplementadas con estradiol, oforectomizadas y suplementadas con testosterona y sham), and y dos grupos control para cada sexo (sin infección e infectados intraperitonealmente con T. cruzi (cepa NINOA). Los datos clínicos fueron registrados diariamente, la parasitemia fue evaluada durante toda la infección utilizando una cámara de Neubauer y el análisis histopatológico del corazón fue realizada con la técnica de inclusión en parafina. Para el análisis de las curvas de parasitemia y el área bajo la curva, se realizó una prueba de ANOVA de dos vías, p < 0.05 fueron considerados estadísticamente diferentes. Resultados: Las mayores tasas de mortalidad, cardiomegalia, hepatomegalia y mayor infiltrado inflamatorio, se encontró en los ratones con una mayor concentración de testosterona. En contraste los ratones con mayor concentración de estradiol presentaron paresia, postración edema y necrosis. Conclusiones: Nuestros resultados ponen en manifiesto que la testosterona incrementa la severidad del curso de la enfermedad de Chagas, mientras que el estradiol tuvo el efecto opuesto. Este trabajo mejora el entendimiento del rol que juegan las hormonas sexuales en esta infección para contribuir en un mejor manejo de la enfermedad de Chagas.

Relation between serum hormones and semen parameters in sub-fertile males: is 17-hydroxyprogesterone really a game changer?

Background: Semen analysis and serum hormone assessment remains an integral part of assessment of infertile males. 17-OHP has recently been demonstrated as a very good marker of intratesticular testosterone environment. Our study was designed to find relationship between individual serum hormone levels and semen parameters in sub fertile men, and to find whether 17-OHP fares better or worse in predicting baseline semen parameters compared to other routinely tested hormones.Methods: A retrospective analytical study was conducted on 74 patients, after matching inclusion and exclusion criteria, from July 2022 to December 2023. All included patients were investigated with Semen analysis and Serum biomarker levels (FSH, total testosterone, estradiol, total testosterone/estradiol (T/E2) ratio, and 17-hydroxyprogesterone).Results: Only 10 patients (13.51%) had normal semen analysis, while rest 64 (86.49%) had abnormality in at least 1 semen parameter. Serum testosterone and T/E2 ratio had significant difference (p<0.05) between the two groups. Comparing individual semen parameters against all hormones, FSH and total testosterone had significant association with sperm count, concentration and total motility. Total testosterone also had a significant relation with progressive motility, morphology and semen volume (p<0.05). T/E2 ratio had significant association with Sperm count, motility and morphology, and semen volume (p<0.05). But, 17-OHP and estradiol were not found to have any significant association with any baseline semen parameters in our study (p>0.05). But, serum 17OHP was found to be significantly associated with sexual dysfunction in males (p<0.05).Conclusions: Our study inferred that serum FSH, testosterone level and T/E2 ratio can be used to predict baseline semen parameters, but 17OHP did not have any association with baseline semen parameters. However, serum 17OHP can serve as a novel marker for male sexual dysfunction.

Circulating sex hormones in women with severe anxiety during pregnancy / Hormonas sexuales circulantes en mujeres con ansiedad severa durante el embarazo

Abstract Introduction Anxiety, mood- and stress-related behaviors are regulated by sex hormones in pregnant and non-pregnant women. Very scarce information exists about the role of sex steroids in pregnant women displaying high levels of anxiety. Objective To determine sex hormones serum levels in pregnant women exhibiting high levels of anxiety symptoms. Method The Hamilton Anxiety Rating Scale (HARS/ HAM-A) was used to assess the intensity of anxiety symptoms in third-trimester pregnant women. Two groups were included in the study, pregnant women exhibiting severe anxiety (ANX; HARS scores ≥ 25; n = 101) and healthy control subjects (CTRL; n = 40) displaying lower scores for anxiety (HARS scores ≤ 7). Estradiol (E2), progesterone (P4), and testosterone (T) serum levels were measured using a standard chemiluminescent immunoassay. Bivariate and partial correlations were performed to detect significant associations between groups, clinical measures, biochemical data, and HARS scores. Results The anxiety group (ANX) showed an increase in E2 and T serum levels (p < .001) compared to CTRL. Conversely, significantly lower P4 levels were found in the symptomatic group (p < .001) as compared to the CTRL hormone values. The P4:E2 index was significantly reduced in pregnant women with high levels of anxiety (p < .001). Negative correlations between anxiety (HARS) scores, P4 serum levels (p = .02), and P4:E2 ratio (p = .04) were found in the symptomatic group. Conversely, T serum levels displayed a positive association (p = .001) with high levels of anxiety symptoms in the same group, after adjusting our data by clinical confounders. Discussion and conclusion Serum levels of sex-steroid hormones are altered in pregnant women exhibiting severe anxiety.

Resumen Introducción La ansiedad, el estado de ánimo y el estrés están regulados por diversos esteroides sexuales. Existe poca información sobre el papel que juegan estos esteroides en mujeres embarazadas con niveles elevados de ansiedad. Objetivo Determinar los niveles séricos de hormonas sexuales en mujeres embarazadas con altos índices de síntomas de ansiedad con respecto a mujeres gestantes sanas. Método Determinación de la intensidad de síntomas ansiosos empleando la escala de Hamilton de Ansiedad (HAM-A) en 141 mujeres embarazadas en el tercer trimestre de gestación. Cuantificación de los niveles séricos de estradiol (E2), progesterona (P4) y testosterona (T) por inmunoensayo estándar. Aplicación de las correlaciones de Pearson para detectar asociaciones entre parámetros clínicos y valores hormonales entre los grupos de estudio. Resultados Las mujeres con ansiedad severa (ANX; n = 101; HAM-A ≥ 25) mostraron niveles séricos más altos de E2 y T (p < .001), así como niveles más bajos de P4 (p < .001) en relación con el grupo control (CTRL, n = 40, HAM-A < 7). Se detectó una disminución significativa en el índice P4:E2 en el grupo de ANX (p < .001) y se observaron correlaciones negativas y positivas entre los puntajes elevados de ansiedad con los niveles circulantes de P4 (p = .02), en la taza P4:E2 (p = .04) y en los niveles séricos de T (p = .001) respectivamente, al ajustar nuestros datos con variables confusoras. Discusión y conclusión Los niveles circulantes de los esteroides sexuales se encontraron alterados en mujeres con ansiedad severa.

The moderating role of estradiol in the relationship between parenting styles and preschool children s behavioral problems / 中国学校卫生

Objective@#To explore the moderating role of estradiol in the relationship between parenting styles and preschool children's behavioral problems, so as to provide a theoretical basis for improving the development of human s emotional health development in early life stage.@*Methods@#During September to November in 2022, 354 children aged 3-6 years and their parents from two kindergartens in Bengbu City were chosen by using stratified cluster sampling method for the questionnaire survey. The Parenting Style Scale and the Child Behavior Checklist (CBCL) were used to collect information on parenting style and child behavioral problems. Salivary estradiol of children was collected and tested. Independent samples t test was applied to compare the scores of the scale for parental up bringing and children s behavioral problems, and Pearson correlation analysis was conducted to explore the relationship among parental upbringing, estradiol and children s behavioral problems.@*Results@#Parents doting, laissez faire, autocratic, and inconsistent parenting styles were positive associated with child behavior problems( r =0.14-0.70); fathers democratic parenting style was negatively associated with child behavior problems( r =-0.14，-0.22，-0.21，-0.17，-0.27，-0.20); mothers democratic parenting styles was negatively correlated with scores on all five dimensions of child behavior problems except the withdrawal dimension ( r =-0.14，-0.12，-0.13，-0.21，-0.12)( P <0.05). Estradiol levels had significant moderating effects on maternal doting parenting style and children s withdrawal ( β =0.68) as well as social problems ( β =-1.00), also moderating laissez faire parenting styles and children s withdrawal problems ( β =0.75)( P <0.05). For children with low levels of estradiol, withdrawal problem scores were negatively associated with mother s doting parenting style and positively associated with laissez faire parenting style, and socialization problem scores were associated with mother s doting parenting style; for children with high levels of estradiol, withdrawal problem scores were positively associated with mother s doting parenting style, and socialization problem scores were associated with mother s doting parenting style ( t=2.84, 6.24, 3.16 , 2.37, 4.49, P <0.05).@*Conclusions@#Parenting styles are strongly associated with child behavioral problems; estradiol levels play a moderating role in mothers doting, laissez faire parenting styles and children s withdrawal problems and social problems.Parents should adopt more positive parenting styles and focus on the role of estradiol levels in maternal education to reduce the occurrence of behavioral problems in children.

Effect of moderate-intensity exercise on the level of autophagy in bone tissue of ovariectomized rats / 中国组织工程研究

BACKGROUND:Exercise is an effective method for preventing and treating osteoporosis,but it is unclear whether its effect on postmenopausal osteoporosis is related to changes in bone autophagy levels. OBJECTIVE:To observe the effects of exercise via cellular autophagy on the morphology and mechanical properties of bone tissue in ovariectomized rats,and to explore the mechanism of exercise on bone mass in ovariectomized rats from the perspective of autophagy. METHODS:A rat model of postmenopausal osteoporosis was established,and a 24-week moderate-intensity exercise was used for intervention.After the experiment,serum estradiol levels were measured by ELISA,and bone mineral density and bone microstructure of the cortical and trabecular bone were detected by micro-CT.The biomechanical indicators of the tibia were tested by a three-point bending test.Autophagosomes were observed by transmission electron microscopy.The expression of LC3 and ATG7 proteins was analyzed by western blot. RESULTS AND CONCLUSION:The serum estradiol level in the ovariectomized group was significantly lower than that of the sham-operation group and ovariectomized+exercise group(P＜0.01).The body mass of rats in each group increased,and the order was the ovariectomized group＞the ovariectomized+exercise group＞the sham-operation group＞the sham-operation+exercise group.The bone mineral density and bone mass of rats in all groups significantly increased(P＜0.01),but the increase in the ovariectomized group was significantly lower than that of the other groups,and the increase in the ovariectomized+exercise group was significantly higher than that of the ovariectomized group.Compared with the sham-operation group,the bone mineral density of the tibial cancellous bone in the sham-operation+exercise group was significantly increased(P＜0.01),while the bone mineral density in the ovariectomized and ovariectomized+exercise groups was significantly decreased(P＜0.01).Compared with the ovariectomized+exercise group,the ovariectomized group showed significantly lower bone volume fraction,number of trabeculae,and bone mineral density of cancellous bone(P＜0.05),extremely significantly lower trabecular thickness(P＜0.01),and significantly higher mean trabecular pattern factor,trabecular separation,and structural model index(P＜0.01).Compared with the ovariectomized group,the LC3-Ⅱ/LC3-I ratio and the relative expression of ATG7 protein significantly increased in the ovariectomized+exercise group(P＜0.05).Compared with the sham-operation and ovariectomized groups,the number of autophagosomes increased in the sham-operation+exercise and ovariectomized+exercise groups,respectively.To conclude,moderate-intensity treadmill exercise can improve the bone microstructure and biomechanical properties of the tibial cancellous bone and increase bone mass in ovariectomized rats by increasing serum estradiol levels and bone autophagy levels.

Luzhongjiangu decoction for the treatment of femoral head necrosis in rats:changes in intestinal flora and serum hormones / 中国组织工程研究

BACKGROUND:Osteonecrosis of the femoral head is a common and disabling disease,which is mainly characterized by microcirculation disorders and bone cell metabolism disorders.Luzhongjiangu decoction was developed by Shandong Academy of Chinese Medicine and used in the form of soup in the clinic,which has good efficacy in the treatment of osteonecrosis of the femoral head.However,its mechanism of action has not been clarified. OBJECTIVE:To study the effect mechanism of Luzhongjiangu decoction on intestinal flora in rats with osteonecrosis of the femoral head based on 16S rDNA sequencing technique. METHODS:The model of osteonecrosis of the femoral head was established in Wistar rats by intragastric administration of retinoic acid.The therapeutic effect of Luzhongjiangu decoction was evaluated by serum hormone,bone histopathology and serum hormone levels.16s rDNA sequencing technique was used to detect the intestinal flora of rats in the blank control group,model group and middle-dose Luzhongjiangu decoction group.The corresponding library was constructed and OTU clustering and microbial community diversity and abundance analysis were carried out to determine the composition of intestinal flora and the changes of species and diversity among groups. RESULTS AND CONCLUSION:Luzhongjiangu decoction could significantly increase the expression of osteocalcin,osteopontin and other osteogenic related factors,alleviate the destruction of bone trabeculae,increase bone mineral density,and had a significant therapeutic effect on osteonecrosis of the femoral head,of which the middle dose group showed the most significant effect.The results of intestinal flora sequencing showed that Luzhongjiangu decoction improved the flora disorder of rats with osteonecrosis of the femoral head to some extent,and screened out different colonies such as Bacillus,Desulfurizans,Desulfurization,Isobacteria,Bifidobacterium and so on;it could up-regulate the abundance of beneficial bacteria such as Bifidobacterium,down-regulate the abundance of harmful bacteria such as Desulfovibrio,and improve the structure of intestinal flora.Functional prediction analysis indicated that Luzhongjiangu decoction could mainly affect amino acid metabolism and energy metabolism.Correlation analysis showed that the differential bacteria of Bifidobacterium and Intestinimonas in the middle dose group of Luzhongjiangu decoction were positively correlated with vitamin D3,estradiol and calcitonin,and negatively correlated with prostaglandin E2.In the model group,Escherichia-Shigella,Desulfovibrio,Globicatella and Streptococcus were positively correlated with prostaglandin E2 and negatively correlated with vitamin D3,estradiol and calcitonin.To conclude,Luzhongjiangu decoction may play a role in the treatment of osteonecrosis of the femoral head by regulating the structure of intestinal flora,up-regulating the abundance of beneficial bacteria and affecting the secretion of vitamin D3,estradiol,calcitonin and prostaglandin E2.

Effect of the transcription factor SOX3 on ovarian granulosa cell proliferation and estradiol secretion / 安徽医科大学学报

Objective @#To study the effect of sex-determining region Y-frame protein 3 (SOX3) on proliferation and estradiol secretion in human ovarian granulosa cells (KGN cell line) . @*Methods@#The gene sequence of human SOX3 (NM_005634. 3) was searched in Gene-Bank , an NCBI database , and the target gene SOX3 was amplified by PCR , which was cloned into lentiviral vector pLV-EF1a-GFP-2A-Puro to obtain the overexpression lentiviral re- combinant plasmid pLV-EF1a-GFP-2A-Puro- SOX3 ; the correctly sequenced overexpressed lentiviral recombinant plasmid as well as packaging plasmids ( pGag/Pol , pRev , pVSV-G) were co-transfected into human embryonic kidney cell line ( HEK 293T) cells ( pLV-SOX3 group) , and pLV-EF1a-GFP-2A-Puro and packaging plasmids (pGag/Pol , pRev , pVSV- G) were co-transfected into HEK 293T cells (pLV-NC group) , the lentiviral particles of both groups were collected and the titers of the viruses were measured after 48 h of transfection , the lentiviruses of the two groups were infected into KGN cells , and the stably expressed cell lines were obtained after puromycin screening for 2 weeks; real-time fluorescence quantitative PCR (RT-qPCR) and Western blot were used to detect the SOX3 mRNA and protein levels in the two groups; CCK-8 assay was used to detect the proliferative ability of the cells in the two groups; ELISA was used to determine the concentration of estradiol in the two groups .@*Results@#The identification of PCR products and sequencing results showed that the SOX3 gene fragment was amplified successfully , and the enzyme digestion and sequencing results indicated that the construction of overexpression lentiviral recombinant plasmid was completed; green fluorescence could be detected after lentiviral infection of HEK 293T cells , which indicated that lentiviral packaging was successful; the lentivirus was screened by puromycin after lentiviral infection of KGN cells , and the cells were observed to express green fluorescence under the fluorescence microscope; RT- qPCR and Western blot assays both showed that the expression level of SOX3 in the pLV-SOX3 group was significantly higher than that in the pLV-NC group ( P < 0. 05) . CCK-8 assay results showed that the proliferation ability of the cells in the pLV-SOX3 group significantly increased compared with that in the pLV-NC group (P < 0. 01) . ELISA results showed that estradiol concentration was elevated in the pLV-SOX3 group com- pared with the pLV-NC group (P < 0. 05) . @*Conclusion@#Overexpression of the transcription factor SOX3 can pro- mote the proliferation and estradiol secretion of human ovarian granulosa cells KGN .

Effect of quercetin's anti-breast cancer depending on presence of estrogen receptor via down-regulating long non-coding RNA MALAT-1 and its mechanism / 中国药理学通报

Aim To investigate the molecular mechanism by which quercetin inhibits the malignant behavior of breast cancer cells. Methods Breast cancer cell lines MCF-7 and MB231 were used as the research models. Lentiviral transfection was employed to establish tumor cells with high expression of ERa and MAL-AT-1. The expression of MALAT-1 was assessed using RT-qPCR,and ERa expression was determined through Western blot. Subsequently, CCK-8 assay and colony formation assay were conducted to evaluate cell proliferation. PI staining and adenovirus transfection were performed to observe the inhibitory effects of quercetin on breast cancer cell proliferation. Results 17|3-es-tradiol ( E2 ) promoted the proliferation of MCF-7 breast cancer cells, while 5 jjunol L quercetin reversed the promoting effect of E2 on proliferation ( P 0. 05 ) . Quercetin had no effect on MB231 breast cancer cells. Overexpression of ERa significantly inhibited the pro-proliferative effect of E2 on MB231-ERa cells, and quercetin further suppressed this effect. Additionally , quercetin inhibited the expression of MALAT-1. However,this inhibitory effect was reversed by overexpression of MALAT-1, leading to enhanced cell proliferation , cell cycle progression, and clonal formation a-bility. Conclusions Quercetin exerts its anti-tumor effects on breast cancer cells by regulating MALAT-1, dependent on the presence of estrogen receptor. Quercetin shows potential as a therapeutic drug for breast cancer targeting the estrogen receptor.

Clinical observation of goserelin combined with estradiol valerate in the treatment of endometriosis in patients of childbearing age after laparoscopic surgery / 中国药房

OBJECTIVE To observe the efficacy and safety of goserelin combined with estradiol valerate in the treatment of endometriosis （EMs） in patients of childbearing age after laparoscopic surgery. METHODS The clinical data of 144 patients with EMs of childbearing age who underwent laparoscopic surgery in our hospital from January 2020 to December 2022 were collected retrospectively， and those patients were divided into control group （70 cases） and combination group （74 cases） based on different postoperative medication regimens. Control group was given Acetate goserelin sustained-release implant on the 1st to 5th day of their first menstrual cycle after laparoscopic surgery， while combination group was additionally given Estradiol valerate tablets on the basis of control group. The short-term and long-term efficacy of 2 groups were observed； preoperative and postoperative pain scores， ovarian reserve function， and the incidence of adverse reactions were all recorded in 2 groups. RESULTS There was no statistically significant difference in short-term total effective rate， 1-year postoperative recurrence rate and the incidence of decreased libido， vaginal dryness， gastrointestinal reactions， rash， or arrhythmia between two groups （P＞0.05）. The natural pregnancy rate of combination group was significantly higher than control group at 1 year after surgery， while the incidence E-mail：wanghuiling0518@126.com of early miscarriage， hot flashes and sweating， emotional fluctuations， insomnia and fatigue， joint muscle pain， dizziness and headache were significantly lower than control group （P＜0.05）. However， at 6 months after surgery， pain scores and the levels of anti-Müllerian hormone， follicle stimulating hormone， luteinizing hormone， estradiol of both groups were significantly lower than before surgery in the same group， while the number of antral follicle count was significantly higher than before surgery in the same group； the levels of anti-Müllerian hormone， luteinizing hormone， estradiol， and the number of antral follicles in the combination group were significantly higher than control group， while pain score and follicle stimulating hormone level were significantly lower than control group （P＜0.05）. CONCLUSIONS The combination of goserelin and estradiol valerate after laparoscopic surgery has a significant therapeutic effect and good safety in the treatment of EMs of childbearing age.

Value of ultrasound monitoring of endometrial thickness in assessing pregnancy rate improvement after estrogen administration following a missed abortion / 中国基层医药

Objective:To analyze the clinical value of ultrasound monitoring of endometrial thickness in assessing pregnancy rate improvement after estrogen administration following a missed abortion.Methods:A retrospective study was conducted on 86 patients who underwent surgical abortion at Cixi Maternal and Child Health Hospital from January 2022 to June 2023. Based on the treatment received, the patients were divided into two groups: a control group and an observation group, with 43 patients in each group. The control group received only routine postoperative care without any medication, while the observation group received estrogen treatment after surgery. The clinical efficacy, endometrial thickness, intrauterine adhesion and re-pregnancy rate were compared between the two groups.Results:In the observation group, there was significant difference in endometrial thickness in terms of intergroup, group-by-time interaction, and time effect ( Fintergroup =129.49, Finteraction =14.25, Ftime =146.64, all P < 0.001). Intrauterine adhesions were less severe in the observation group compared with the control group ( χ2 = 4.34, P < 0.05). The clinical effective rate was significantly higher in the observation group than in the control group [88.37% (38/43) vs. 69.76% (30/43), Z = 2.35, P = 0.019]. Additionally, the rate of re-pregnancy was significantly higher in the observation group than in the control group [46.54% (20/43) vs. 13.95% (6/43), χ2 = 10.81, P < 0.05]. Conclusion:Patients who have retained abortion can benefit from ultrasound examination to assess endometrial thickness after estrogen administration. This approach significantly enhances endometrial thickness, promotes menstrual recovery, and reduces intrauterine adhesions. It also improves the rate of re-pregnancy and is highly valuable in clinical settings.

Research progress of the relationship between diabetic nephropathy and sex hormones / 中国基层医药

Diabetic nephropathy is one of the most common and harmful microvascular complications of diabetes. In recent years, it has become a leading cause of end-stage renal disease due to its high incidence rate, challenging control, and poor prognosis. Studies have revealed that patients with diabetic nephropathy often exhibit imbalanced levels of sex hormones such as testosterone, dehydroepiandrosterone, estradiol, sex hormone binding globulin, and gonadotropin. Conversely, the imbalance of sex hormones can also influence the progression of diabetic nephropathy. Therefore, clarifying the potential relationship and interaction between sex hormones and diabetic nephropathy is essential for effective prevention and treatment of diabetic nephropathy. This warrants further research and consideration.

Comparing the effects of serum GPER-1 and oxidant/antioxidant levels on retinopathy in patients with diabetes and healthy individuals: a pilot study / Comparando o impacto do soro GPER-1 e dos níveis de oxidante/antioxidante na retinopatia em pacientes diabéticos e em indivíduos saudáveis: um estudo piloto

ABSTRACT Purpose: This study aimed to determine the effect of serum G receptor-mediated protein-1 levels on the development of retinopathy in patients with diabetes in comparison with healthy individuals. Methods: The study enrolled patients with diabetic retinopathy (Group 1), patients without diabetic retinopathy (Group 2), and healthy individuals (Group 3). Levels of serum progesterone, serum G receptor-mediated protein-1, estradiol, oxidant/antioxidants, and thyroid-releasing hormones were analyzed and compared among the groups. Post-hoc analysis was performed to compare the subgroups in which significant differences were found. Results: Groups 1, 2, and 3 each included 40 patients. A significant difference was found among all groups in terms of serum G receptor-mediated protein-1, oxidant/antioxidant, and estradiol levels (p<0.01), but no significant difference was found in terms of thyroid-releasing hormone or progesterone (p=0.496, p=0.220, respectively). In the post-hoc analysis of the groups with significant differences, another significant difference was found among all groups for serum G receptor-mediated protein-1 and oxidant/antioxidant levels (p<0.05). Serum G receptor-mediated protein-1 and oxidant levels were positively correlated, whereas serum G receptor-mediated protein-1 and antioxidant levels were negatively correlated (r=0.622/p<0.01, r=0.453/p<0.01, r=0.460/p<0.01, respectively). The multiple regression analysis showed that increased levels of serum G receptor-mediated protein-1 may help prevent diabetic retinopathy. Conclusions: Serum G receptor-mediated protein-1 levels, which were the highest in the diabetic retinopathy Group, increased as the oxidant/antioxidant balance changed in favor of oxidative stress. This appears to be a defense mechanism for preventing neuronal damage.

RESUMO Objetivo: Esta pesquisa buscou determinar o im­pacto dos níveis de proteína G sérica no desenvolvimento da retinopatia em pacientes diabéticos, comparando-os a indivíduos saudáveis. Métodos: Foram incluídos, no estudo, 40 pacientes com retinopatia diabética (Grupo 1), 40 pacientes sem retinopatia diabética (Grupo 2) e 40 indivíduos saudáveis (Grupo 3). Os níveis hormonais de progesterona sérica, de proteína G sérica, estradiol, oxidante/antioxidante e hormônio liberado pela tireoide foram analisados e comparados. A análise post hoc foi realizada para comparar os subgrupos nos quais diferenças estatisticamente significativas foram encontradas. Resultados: Uma diferença significativa foi encontrada entre todos os grupos em termos de proteína G sérica, oxidante/antioxidante e níveis de estradiol (p<0.01), mas nenhuma diferença significativa foi encontrada em termos de hormônio liberado pela tireoide ou progesterona (p=0,496, p=0,220, respectivamente). Na análise post hoc dos grupos com diferenças estatisticamente significativas, outra diferença significativa foi encontrada entre todos os grupos para proteína G sérica e níveis oxidantes/antioxidantes (p<0,05). Os níveis de proteína G sérica e os níveis de oxidante foram positivamente correlacionados, enquanto os níveis de proteína G sérica e os níveis de antioxidantes foram negativamente correlacio­nados (r=0,622/p<0,01, r=0,453/p<0,01, r=0,460/p<0,01, respectivamente). A análise de regressão múltipla mos­trou que o aumento da proteína G sérica pode ajudar a prevenir a retinopatia diabética. Conclusões: Os níveis de proteína G sérica que eram mais altos no grupo de retinopatia diabética, aumentaram à medida que o equilíbrio oxidante/antioxidante mudou em favor do estresse oxidativo. Este parece ser um mecanismo de defesa para prevenir danos neuronais.

Terapia hormonal en la menopausia vía transdérmica: un asunto de eficacia y seguridad

Los síntomas vasomotores (SVM) asociados a la menopausia suelen disminuir la calidad de vida de las mujeres, al generar un elocuente malestar. La terapia hormonal de la menopausia (THM) es el estándar en el tratamiento de los síntomas de la menopausia, siendo el único tratamiento que ha demostrado ser eficaz para los SVM. Objetivo: describir la eficacia y seguridad de la terapia hormonal de la menopausia vía transdérmica (THM TD) para aliviar los síntomas de la menopausia. Métodos: se hizo una revisión sistemática de la literatura en diferentes bases de datos electrónicas (CINAHL Plus, EMBASE, Scopus, Lilacs, Medline, Pubmed, entre otras), a través de términos de búsqueda estandarizados. Los desenlaces evaluados incluyeron los estudios donde se publicó cualquier tratamiento o intervención con la THM TD en mujeres tratadas por síntomas de la menopausia, porcentajes de alivio de los síntomas climatéricos y proporción de eventos adversos asociados. Resultados: se incluyeron 45 publicaciones, y convienen en aconsejar el tratamiento con la THM TD, en vista de un alivio de los síntomas climatéricos cerca del 90%, asimismo de ser más segura y potencialmente más eficaz que la terapia oral; con resultados normales en la evaluación mamográfica, y sin eventos adversos relacionados después de 5 años de seguimiento. Conclusiones: la terapia hormonal en la menopausia vía transdérmica es segura y eficaz para aliviar los síntomas de la menopausia. Al evitarse el metabolismo hepático, alcanza mejores beneficios clínicos, a la vez que minimiza la exposición de eventos adversos. Las publicaciones revisadas demuestran que la vía transdérmica es la mejor forma de tratar los síntomas de la menopausia.

Vasomotor symptoms (VMS) associated with menopause usually reduce the quality of life of women, generating eloquent discomfort. Menopausal hormone therapy (MHT) is the standard in the treatment of menopausal symptoms, being the only treatment that has been shown to be effective for VMS. Objective: to describe the efficacy and safety of transdermal menopausal hormone therapy (THM TD) to relieve menopausal symptoms. Methods: a systematic review of the literature was carried out in different electronic databases (CINAHL Plus, EMBASE, Scopus, Lilacs, Medline, Pubmed, among others), through standardized search terms. The outcomes evaluated included studies where any treatment or intervention with TD MHT was published in women treated for menopausal symptoms, percentages of relief of climacteric symptoms and proportion of associated adverse events. Results: 45 publications were included, and they agree in advising treatment with MHT TD, in view of a relief of climacteric symptoms close to 90%, as well as being safer and potentially more effective than oral therapy; with normal results in mammographic evaluation, and without related adverse events after 5 years of follow-up. Conclusions: transdermal hormonal therapy in menopause is safe and effective in relieving menopause symptoms. By avoiding hepatic metabolism, it achieves better clinical benefits, while minimizing the exposure to adverse events. The reviewed publications demonstrate that the transdermal route is the best way to treat menopause symptoms.

Involución de quistes simples de ovario con hormonales orales combinados en pacientes en edad fértil / Involvement of simple ovarian cysts with combined oral hormones in patients of chilbearing age

Resumen OBJETIVO: Establecer la evolución natural y los efectos, a dos meses, de los hormonales orales combinados indicados a pacientes en edad fértil, con quistes simples de ovario, y su diferencia con un grupo control. MATERIALES Y MÉTODOS: Estudio prospectivo, longitudinal, descriptivo, comparativo y experimental llevado a cabo en el servicio de Ginecoobstetricia del Hospital Civil de Guadalajara Fray Antonio Alcalde en pacientes atendidas entre abril del 2018 y marzo del 2019 con diagnóstico de quiste simple de ovario. Las pacientes se asignaron al azar a dos grupos de estudio: tratadas con etinil estradiol y drospirenona grupo A y las que solo recibieron placebo grupo B. Los grupos fueron similares en relación con la edad, estado civil, ocupación, embarazos y antecedente de quiste de ovario. RESULTADOS: Se estudiaron dos grupos de 40 pacientes cada uno. Al cabo de dos meses de tratamiento el grupo A tuvo regresión en 32 casos y en el grupo B solo hubo regresión en 22 casos, con una diferencia significativa. Ninguno de los quistes mayores de 65 mm remitió. CONCLUSIÓN: La edad más frecuente a la que aparecen los quistes simples de ovario es entre los 20 y 29 años. De la muestra estudiada en 32 de 40 pacientes con tratamiento hubo regresión, no así en los quistes ováricos mayores de 65 mm. Se recomienda la prescripción de anticonceptivos combinados orales en el tratamiento de pacientes con quistes simples de ovario entre 30 y 65 mm con el propósito de incrementar su tasa de regresión y, así, evitar un procedimiento quirúrgico.

Abstract OBJECTIVE: To determine the natural evolution and effects, after two months, of combined oral hormonal drugs indicated for patients of childbearing age with simple ovarian cysts and their difference with a control group. MATERIALS AND METHODS: Prospective, longitudinal, descriptive, comparative and experimental study conducted in the Gynecobstetrics Service of the Civil Hospital of Guadalajara Fray Antonio Alcalde in patients attended between April 2018 and March 2019 with a diagnosis of simple ovarian cyst. Patients were randomized to two study groups: those treated with ethinyl estradiol and drospirenone group A and those who received only placebo group B. The groups were similar with respect to age, marital status, occupation, pregnancies, and history of ovarian cysts. RESULTS: Two groups of 40 patients each were studied. After two months of treatment, regression occurred in 32 cases in group A and in 22 cases in group B, with a significant difference. None of the cysts larger than 65 mm regressed. CONCLUSION: The most common age of onset of simple ovarian cysts is between 20 and 29 years. Of the sample studied, regression was observed in 32 of 40 patients treated, but not in ovarian cysts larger than 65 mm. The prescription of combined oral contraceptives is recommended in the treatment of patients with simple ovarian cysts between 30 and 65 mm to increase their regression rate and thus avoid surgery.

Effect of combining estradiol valerate with sildenafil in increasing the thickness of the endometrium in infertile women before intrauterine insemination: a randomized clinical trial

Background: Therapies available for thin endometrium are limited and are mostly performed experimentally which most of these treatments have a similar function and increase blood flow to the endometrium, causing it to thicken and develop. The aim of the study was to compare the effect of estradiol valerate in combination with sildenafil on endometrial thickness in infertile women before intrauterine insemination. Methods: In this randomized clinical trial 100 infertile women referred to Reyhaneh Infertility Center in Ardabil were randomly divided into two groups. Patients' endometrial thickness was assessed by vaginal ultrasound before treatment and then on day 9 of the cycle. The intervention group received one tablet of estradiol valerate every 12 h from the ninth day of menstruation for 4 days and sildenafil as 25 mg orally daily from day 9 to 12, but in the control group, patients received placebo tablets orally in addition to estradiol. Results: There was no statistically significant difference between the intervention and control groups before and after the intervention in term of endometrial thickness. The rate of increase in endometrial thickness was 1.35 mm in the intervention group and 1.37 mm in the control group, but the difference was not statistically significant. Conclusions: Estradiol valerate alone or in combination with sildenafil resulted in a significant increase in endometrial thickness and increasing oral sildenafil supplementation with oral estradiol valerate had no significant effect on increasing endometrial thickness.

Pre-treatment with cyproterone acetate plus ethinylestradiol enhances ovarian response in women with polycystic ovary syndrome

Background: Anti-mullerian hormone (AMH) and androgen levels are higher in women with polycystic ovary syndrome (PCOS) than norm-ovulatory women. Cyproterone acetate plus ethinylestradiol (CPA+EE) reduces AMH and free androgen level. The aim of the study was to determine if the pretreatment with CPA+EE before ovulation induction with letrozole improves ovarian response in PCOS women.Methods: The study comprised of 100 infertile PCOS women with serum AMH>5 ng/ml. The study participants were randomly allocated into women given CPA+EE pretreatment cyclically for 3 months before ovulation induction with letrozole 5 mg from day 2-6 of a menstrual cycle, and women given only letrozole from day 2-6 without any pretreatment. Follicular growth was monitored by transvaginal sonography on day 12. Women who attained maximum follicular size (18-25 mm) were given 5000 IU HCG injection. Ovulation was confirmed by serum progesterone assay on day 21-23 and pregnancy was confirmed by serum ?-hCG level or by pregnancy test kit.Results: Ovulation rate was higher (82.4%) in pre treatment group compared in letrozole only group to (43.0%) with relative risk 1.92. Pregnancy rate was higher in (23.5%) in pre treatment group than letrozole only (8.8%) with relative risk 2.68.Conclusions: Pretreatment with CPA+EE before ovulation induction with letrozole has better outcome in terms of ovulation and pregnancy than letrozole alone in PCOS women with high serum AMH.

Effect of estradiol valerate on endometrial thickness in polycystic ovary syndrome having ovulation induction with letrozole

Background: PCOS is a common endocrine disorder in women of reproductive age. Letrozole is an orally active aromatase inhibitor and as effective as chlomiphene citrate for induction of ovulation. Estrogen is important in the regeneration and growth of the endometrium prior to ovulation prepare the tissue to respond to progesterone post ovulation in PCOS patients. Aim of the study was to assess the effects of estradiol valerate on endometrial thickness in PCOS having ovulation induction with letrozole.Methods: This randomized controlled study was conducted in the department of reproductive endocrinology and infertility, BSMMU, Dhaka, with 1 year duration. A total 80 diagnosed cases of PCOS patients with subfertility were included in this study. Among them 40 patients received letrozole and estradiol valerate and 40 patients received letrozole and placebo.Results: On day 8, mean endometrial thickness was not statistically significant between two groups (p=0.436). On day of triggering, mean endometrial thickness was significantly higher in intervention group 9.2±1.4 mm than control group 8.2±1.4 mm (p=0.004). Mean changes of endometrial thickness on day of triggering compared with on day 8 was significantly higher in intervention group 3.2±1.5 mm than control group 2.5±1.6 mm (p=0.043). Pregnancy rate was higher in intervention group 13 (38.2%) than control group 8 (22.2%) with relative risk 1.72, 95% CI (0.82-3.63%), that was not statistically significant between two groups (p=0.144).Conclusions: Mean changes of endometrial thickness on day of triggering were significantly higher in intervention group than control group. The pregnancy rate achieved with letrozole+estradiol valerate combination was higher than that achieved with letrozole and placebo group.

Effect of estradiol valerate on endometrial thickness in polycystic ovary syndrome having ovulation induction with letrozole

Background: PCOS is a common endocrine disorder in women of reproductive age. Letrozole is an orally active aromatase inhibitor and as effective as chlomiphene citrate for induction of ovulation. Estrogen is important in the regeneration and growth of the endometrium prior to ovulation prepare the tissue to respond to progesterone post ovulation in PCOS patients. Aim of the study was to assess the effects of estradiol valerate on endometrial thickness in PCOS having ovulation induction with letrozole.Methods: This randomized controlled study was conducted in the department of reproductive endocrinology and infertility, BSMMU, Dhaka, with 1 year duration. A total 80 diagnosed cases of PCOS patients with subfertility were included in this study. Among them 40 patients received letrozole and estradiol valerate and 40 patients received letrozole and placebo.Results: On day 8, mean endometrial thickness was not statistically significant between two groups (p=0.436). On day of triggering, mean endometrial thickness was significantly higher in intervention group 9.2±1.4 mm than control group 8.2±1.4 mm (p=0.004). Mean changes of endometrial thickness on day of triggering compared with on day 8 was significantly higher in intervention group 3.2±1.5 mm than control group 2.5±1.6 mm (p=0.043). Pregnancy rate was higher in intervention group 13 (38.2%) than control group 8 (22.2%) with relative risk 1.72, 95% CI (0.82-3.63%), that was not statistically significant between two groups (p=0.144).Conclusions: Mean changes of endometrial thickness on day of triggering were significantly higher in intervention group than control group. The pregnancy rate achieved with letrozole+estradiol valerate combination was higher than that achieved with letrozole and placebo group.

Immunofluorescence Analysis of Estrogen and Progesterone Receptors and Ki-67 Nuclear Protein in Canine Uteri Treated with Medroxyprogesterone Acetate During Anestrus / Análisis de Inmunofluorescencia de Receptores de Estrógeno y Progesterona y Proteína Nuclear Ki-67 en Úteros Caninos Tratados con Acetato de Medroxiprogesterona Durante el Anestr

SUMMARY: Estradiol and progesterone receptors play an essential role in the changes occurring in the uterus during the estrus cycle in dogs (Canis lupus familiaris). In order to investigate the potential effect of progestational agent medroxyprogesterone acetate (MPA) when is used during anestrus on the expression of estradiol receptors [ER], progesterone receptors [PR] and nuclear protein Ki67, we evaluated uterine tissue immunohistochemically. Uteri were grouped as nulliparous (control, n=11), multiparous (n=11) and treated with MPA (n=11; nulliparous with two treatments; 5mg/kg; i.m.). The amount and location of PR, ER and Ki67 were studied on the epithelial surface, apical and basal regions of the endometrium and myometrium using immunohistochemical techniques with a spectral confocal microscope and analyzed by ANOVA. Differences in ER were observed between the multiparous and MPA-treated groups in the apical region of the endometrium (p=0.0022). Differences in cell proliferation were detected between the nulliparous and multiparous groups (p=0.0037) and nulliparous and MPA-treated groups (p=0.0003) in the basal region of the endometrium. In conclusion, two doses of MPA (5mg/kg; i.m.) do not have a significant effect on the expression of ER and PR; however, they inhibit cell proliferation in the basal region of the endometrium, which includes the stroma, subepithelial cell layer, compact layer, and spongy layer. The clinical and long-term effect of this treatment should be evaluated in subsequent studies.

Los receptores de estradiol y progesterona juegan un rol fundamental en los cambios que se producen en el útero durante el ciclo estral de las perras (Canis lupus familiaris). El objetivo de este estudio fue evaluar las expresiones de ER-a y PR en el útero y la proliferación de células endometriales detectando la expresión nuclear de la proteína Ki67 en perras expuestas a la progestina sintética MPA y compararlas con perras nulíparas y multíparas expuestas a progesterona luteal. Úteros fueron agrupados como nulíparas (control, n=11), multíparas (n=11) y tratadas con MPA (n=11; nulíparas con dos tratamientos; 5 mg/kg; i.m.). La expresión de PR, ER-a y Ki67 fue evaluada en la regiones apicales y basales del endometrio y miometrio con un microscopio confocal espectral. Se observó diferencias en ER-a entre los grupos multíparas y tratados con MPA en la región apical del endometrio (p=0,0022). Se detectaron diferencias en la proliferación celular entre los grupos de nulíparas y multíparas (p=0,0037) y los grupos de nulíparas y tratados con MPA (p=0,0003) en la región basal del endometrio. En conclusión, dos dosis de MPA (5mg/kg; i.m.) no tienen un efecto significativo sobre la expresión de ER y PR; sin embargo, inhiben la proliferación celular en la región basal del endometrio, el cual incluye a estroma, capa de células subepiteliales, estratos compacto y esponjoso. El efecto clínico a largo plazo de este tratamiento debe ser evaluado en estudios posteriores.

Correlation between prolactin, thyroid, LH, FSH, estradiol and progesterone in the infertile women

Background: An important global health issue, infertility affects a couple抯 social, psychological, economic, and sexual well-being. A variety of issues stemming from abnormal hypothalamus pituitary ovarian axis dysfunction make up the hormonal diseases of the female reproductive system. The aim of the study was to find correlation between prolactin, thyroid, LH, FSH, estradiol and progesterone in the infertile women.Methods: Present study was hospital based descriptive, cross-sectional study. 150 infertile women were required in sample size. Serum LH, FSH, estradiol was measured on day 2 of menstrual cycle and also serum TSH and serum progesterone on day 21.Results: Around one third (38%) of the cases was married since more than 10 years. Majority 108 (72%) had primary infertility and 50% of the women had history of irregular menstrual cycles. There was significant positive correlation between TSH and prolactin (p value <0.05) and significant negative correlation of TSH with FSH and LH (p value <0.05) and there was insignificant negative correlation of TSH with estrogen (D2) and progesterone (D21). The mean value of TSH in our study was 7.47�82 ?IU/ml.Conclusions: TSH has strong positive co-relation between prolactin, FSH and LH indicating role in female infertility. These hormonal evaluations allow a routine etiological approach to the diagnosis of infertility.