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Follicle Stimulating Hormone - DOAJ

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Last Updated: 15 July 2022

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Effect of progestin-primed ovarian stimulation protocol in infertile women with basal follicle-stimulating hormone levels ≥15 IU/L: A retrospective analysis

U226515 IU/L: Objective: To determine the efficacy of a progestin-primed ovarian stimulation regimen in infertile women with elevated basal follicle-stimulating hormone levels u226515 IU/L. Patients with elevated basal FSH levels u226515 IU/L with autologous oocytes from September 2016 to March 2019 were analyzed by a research team. To encourage late follicular growth, serum FSH levels decreased to u2264. 15. 0 IU/L, a low dose of human menopausal gonadotropin 75/150 IU/d was given as serum FSH levels decreased to u226415. 0 IU/l. However, hMG duration and dosage were both significantly higher in the study group than those in the control group. In the study group, the incidence of luteinizing hormone surge and cycle cancellation rate was lower than in the control group with no statistical difference. Patients with elevated basal FSH levels u226515 IU/L may have more oocytes and more embryos as compared to CC techniques, and more embryos will survive.

Source link: https://doi.org/10.4103/2096-2924.285780


Follicle-stimulating hormone signaling in Sertoli cells: a licence to the early stages of spermatogenesis

Sertoli cells control spermatogenesis not only by controlling their own number and function, but also by inciting germ cells to nourish germ cells surrounded by Sertoli cells as the only type of somatic cell in the seminiferous tubule. Following a normal Sertoli cell number and encouraging differentiation, after follicle-stimulating hormone binds to its receptor and initiates the follicle-stimulating hormone signaling pathway, follicle-stimulating hormone signaling pathway is encouraged, follicle-stimulating hormone signaling pathway can be established. Spermatogonia pool care, spermatogonia differentiation, and their admission into meiosis are also positively controlled by follicle-stimulating hormone signaling. We also discuss the clinical effects of follicle-stimulating hormone therapy in male patients with infertility.

Source link: https://doi.org/10.1186/s12958-022-00971-w


Intraovarian Injection of Recombinant Human Follicle-Stimulating Hormone for Luteal-Phase Ovarian Stimulation during Oocyte Retrieval Is Effective in Women with Impending Ovarian Failure and Diminished Ovarian Reserve

Although studies have found that more than one wave of follicle growth exists, controlled ovulation stimulation in both follicular and luteal phases of the same ovarian cycle is not established in women with IOF/DOR. We investigated the effectiveness of DuoStim with the intraovarian injection of recombinant human follicle-stimulating hormone during oocyte retrieval in women with DOR. The usual daily doses of rhFSH used in Group A were significantly lower relative to the clinical findings of luteal-phase COS. In summary, the experimental strategy, which uses intraovarian rhFSH injection, provides an effective treatment regimen in women with IOF/DOR.

Source link: https://doi.org/10.3390/biomedicines10061312


The cumulative live birth rate of recombinant follicle-stimulating hormone alfa verse urinary human follicle-stimulating hormone for ovarian stimulation in assisted reproductive technology cycles

The selection of an exogenous gonadotropin regimen, which is mainly based on urinary follicle-stimulating hormone alfa, recombinant follicle-stimulating hormone alfa, and human menopause gonadotropin is an issue with controlled ovarian stimulation. In addition, most previous studies focused on the clinical pregnancy or live birth rates per transfer cycle, but not on the cumulative live birth rate per cycle. This research therefore sought to compare the cumulative live birth rate between rFSH-alfa and uFSH regimens for ovarian stimulation. Methods This retrospective cohort analysis included patients who underwent assisted reproductive techniques with gonadotropin-releasing hormone agonist long protocol between March 2009 and December 2018. a greater number of retrieved oocytes and transferable embryos, a higher fresh embryo transfer rate, and a higher multiple birth rate among the fresh embryo transfer cycles were characterized by a higher number of isolated oocytes and transferable embryos.

Source link: https://doi.org/10.1186/s13048-022-01009-w


Effect of rabbit doe-litter separation on 24-hour changes of luteinizing hormone, follicle stimulating hormone and prolactin release in female and male suckling pups

Abstract Background The rabbit pup by the doe's daily routine is the most significant event in the day for the infants, and is eagerly awaited by them. Although a variety of circadian functions have been tested in newborn rabbits, there is no information on the 24-h pattern of gonadotropin release or sex-related variations in gonadotropin or prolactin release of pups. This review looked at the 24-h changes of plasma luteinizing hormone, follicle stimulating hormone, and prolactin in 11 days old suckling female and male rabbits left with the mother or after short-term doe-litter separation in 11 days old suckling female and male rabbits left with the mother or after short-term doe-litter separation in 11 days old suckling female and male rabbits left with the mother or male rabbits abandoned with the mother and male rabbits On day 9 of the 24 h cycle, groups of 6u20137 female or male rabbit pups were separated from their mothers beginning at six different time intervals. In pups kept with their mother plasma FSH and LH maxima, the first and second part of the light phase or as two peaks for each of the hormones. Both female and male rabbit pups kept with their mother's mother, with a 24-h pattern displaying two peaks at 13:00 and 01:00 h, respectively. Conclusions Significant sex differences in 24-h changes in LH and FSH were evident in rabbit pups kept with the doe, but not in PRL. In both sexes, separateion of newborn puppies from their mothers increased circulating gonadotropin and PRL levels, as well as disrupted 24-h rhythm of gonadotropin and PRL releases.

Source link: https://doi.org/10.1186/1477-7827-3-50


Recombinant human follicle-stimulating hormone produces more oocytes with a lower total dose per cycle in assisted reproductive technologies compared with highly purified human menopausal gonadotrophin: a meta-analysis

Abstract Background The two key gonadotrophins used for controlled ovarian stimulation in assisted reproductive technologies are human malegonadotrophins and recombinant human follicle stimulating hormone. The number of oocytes was regarded as the most significant endpoint directly related to ovarian stimulation in this meta-analysis, and therefore where the drug effect may be estimated with the highest sensitivity. Methods All published randomized controlled trials on ovarian stimulation were compared to the two gonadotrophin drugs tested. Following the weighted mean difference and the standardized mean difference with the random model, a comparison of continuous variables was conducted. Compared to recombinant human follicle-stimulating hormone, treatment with human menopausal gonadotrophins resulted in fewer oocytes per year. The pregnancy absolute risk difference for new transfers was 3%, with the relative risk 1. 10.

Source link: https://doi.org/10.1186/1477-7827-8-112


The expression of follicle-stimulating hormone receptor in ovary and testis

The testis' granulose cells are primarily expressed in granulose cells, and the ovary and Sertoli cells contain the Follicle-stimulating hormone receptor. The FSHR gene was activated by transcriptional events specific to these two cell types, according to a cell-specific pattern of gene expression. Mutations in these regulatory elements dramatically decrease the promoter function, according to the most significant results reported when mutation was carried out in the E-box element. The regulation of rat and mouse FSHR gene expression seems to be largely influenced by site-specific CpG methylation within the core promoter.

Source link: https://doi.org/10.13181/mji.v12i3.110


Follicle stimulating hormone promotes production of renin through its receptor in juxtaglomerular cells of kidney

Methods were used to determine the presence of follicle stimulating hormone receptor receptors in renal juxtaglomerular cells and a As4. 1 juxtaglomerular mouse cell line. Results We found that FSHR was present in mouse renal juxtaglomerular cells labeled by renin antibody and in As4. 1 cells. In As4. 1 cells, Gs-coupled FSHRs that activated protein kinase A, cyclic adenose monophosphate response element-binding protein, extracellular signal-regulated kinase A, Protein kinase B, Protein kinase B, and c-Jun N-terminal kinase signaling pathways promoted renin production by a scaffold. With simultaneous rises in renin, angiotensin II, heart rate, systolic blood pressure, diastolic blood pressure, and mean arterial blood pressure, we found increased serum FSH levels in the ovariectomized mouse. Conclusions Elevated FSH boosts renin production in renal juxtaglomerular cells, according to a mechanism that may be relevant to the expression of FSH receptors.

Source link: https://doi.org/10.1186/s13098-022-00816-x


High Follicle-Stimulating Hormone Level Associated With Risk of Rheumatoid Arthritis and Disease Activity

BackgroundThe prevalence of rheumatoid arthritis in both gender and age differs are significant. paraphrasedoutput:Methods In our analysis, we found the FSH levels in female RA patients and the link to disease activity. In total, 79 female RA patients and 50 age-matched controls were included in the study. Using chemiluminescence, serum sex hormone levels were determined. Patients in RA were classified by FSH quartile. ResultsLower sex hormones and elevated gonadotropin were found in RA patients, along with increased gonadotropin and inflammation markers were evaluated among groups. In RA patients, the Serum FSH level was significantly higher than in the age-match controls, which was much higher than in the age-matched controls. ESR, DAS28-ESR, and DAS28-CRP values in the higher quartiles were higher, as well as the lowest quartile. Conclusion:High FSH seems to be a risk factor for RA in post-menopause RA patients, and it is positively related to their disease activity.

Source link: https://doi.org/10.3389/fendo.2022.862849

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions