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- W3132238045 abstract "<h2>Abstract</h2><h3>Purpose</h3> It has been suggested that follicle-stimulating hormone (FSH) plays a role in preventing germ cell apoptosis. We aimed to compare apoptotic rate of boys with cryptorchidism having different levels of FSH in order to investigate its role in apoptosis. <h3>Methods</h3> Hormonal profiles and testicular biopsies from 30 boys with unilateral cryptorchidism (age range: 4–14 months) were included. Based on FSH level, the boys were grouped into three (3 × 10) having high (>97.5percentile), low (<2.5percentile), or within normal range. Sections underwent immunohistochemical staining to analyze the number of germ cells and type A dark spermatogonia per cross-sectional tubule. One section was co-stained with immunofluorescent antibodies against an apoptotic marker (cleaved caspase-3), proliferation marker (Ki67), Sertoli cell marker (anti-Müllerian hormone) and processed by confocal imaging for analysis. Germ cell apoptosis was calculated as the apoptosis index (percentage caspase-3+ germ cells/total germ cell number). <h3>Results</h3> Fifty percent (5/10) of the boys with low FSH had an apoptosis index above 90% compared with 15% (3/20) of the boys with normal or high FSH (<i>p</i> = 0.04). Caspase-3+ germ cells were most likely to be located on the basement membrane (<i>p</i><0.05). <h3>Conclusion</h3> Our findings lead to trends proposing that FSH may play a role in preventing apoptosis. <h3>Type of Study</h3> Prognosis Study <h3>Level of Evidence</h3> III" @default.
- W3132238045 created "2021-03-01" @default.
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- W3132238045 date "2021-12-01" @default.
- W3132238045 modified "2023-10-16" @default.
- W3132238045 title "During infancy low levels of follicle-stimulating hormone may result in high rate of germ cell apoptosis" @default.
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- W3132238045 doi "https://doi.org/10.1016/j.jpedsurg.2021.02.012" @default.
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