research Spontaneous fertility in a male patient with testotoxicosis despite suppression of FSH levels
A man with testotoxicosis was fertile despite low FSH levels, suggesting high testosterone may allow sperm production without FSH.
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330-360 / 1000+ results research Expression Profiles of Reproduction- and Thyroid Hormone-Related Transcripts in the Brains of Chemically-Induced Intersex Frogs
Intersex frogs have different brain gene activity related to sex and thyroid hormones.
research Impact of One-Week Administration of Dihydrotestosterone in Rat Anterior Pituitary Gland
Dihydrotestosterone changes some hormone-related gene expressions in rat pituitary glands but doesn't affect the estrous cycle.
research Sexual steroid regulation of spermatogenesis: new actors enter the stage
Estrogens and androgens are crucial for male fertility.
research Development and evaluation of novel rodent model of PCOS mimicking clinical phenotype in human disease
The new rodent model successfully mimics non-lean human PCOS symptoms.
research Dihydrotestosterone Stimulates 5a-Reductase Activity in Pubic Skin Fibroblasts*
Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
research 215. Plasma testosterone and dihydrotestosterone in cryptorchid boys treated with HCG
research Regional Variation in Androgen Receptor Expression and Biomechanical Properties May Contribute to Cryptorchidism Susceptibility in the LE/orl Rat
Differences in androgen receptor expression and tissue properties may lead to higher cryptorchidism risk in certain rats.
research Androgen regulation of a specific gene in hamster flank organs
Male hormones control a specific gene in hamster skin, with different hormones having varying effects.
research Distinct Transcriptional Profiles of the Female, Male, and Finasteride-Induced Feminized Male Anogenital Region in Rat Fetuses
Finasteride exposure affects gene expression and anogenital distance in male rat fetuses.
research Temporal expression and steroidal regulation of piRNA pathway genes (mael, piwi, vasa) during Silurana (Xenopus) tropicalis embryogenesis and early larval development
The piRNA pathway genes are crucial in early development and may influence sex differentiation through hormone regulation.
research Androgen binding to cytosol and nuclei of hamster sebaceous glands
Dihydrotestosterone specifically binds to hamster sebaceous glands, with a higher affinity than testosterone.
research Therapeutic potential of Sertoli cells in vivo: alleviation of acute inflammation and improvement of sperm quality
Sertoli cell transplants can reduce inflammation and improve sperm quality.
research Single injection of very mild dose botulinum toxin in the vastus lateralis improves testicular spermatogenesis and sperm motility in ageing experimental mice
A mild botulinum toxin injection improved sperm production and movement in aging mice.
research Finasteride affects the testicular physiology of gilthead seabream males
research Androgen levels and apoptosis in the testis during postnatal development of finasteride-treated male rat offspring
Finasteride treatment in male rats can reduce fertility and affect sperm development in their offspring.
research Faculty Opinions recommendation of Tracking research trends and hotspots in sperm DNA fragmentation testing for the evaluation of male infertility: a scientometric analysis.
More research is needed to make sperm DNA fragmentation a reliable tool for diagnosing male infertility.
research The Effect of Finasteride on the Secretion of Testosterone, DHT, LH, FSH and Tissue Factors in the Testis of NMRI Mice:
Finasteride reduces sperm count and quality and alters hormone levels in mice.
research Alterações morfométricas, estereológicas e funcionais no epidídimo e parâmetros de fertilidade em ratos tratados com finasterida
Finasteride impairs sperm quality and fertility in rats, even after stopping treatment.
research Morphological Features of External Genitalia in Hypospadiac Rat Model: 3-Dimensional Analysis
Hypospadiac rats showed abnormal genital development, useful for studying human hypospadias.
research Genitalia, Male The effect of finasteride on spermatogenesis of Mesocricetus auratus 1 Impacto da finasterida na espermatogênese do Mesocricetus auratus
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
research Actions of 5α-reductase inhibitors on the epididymis
5α-reductase inhibitors may reduce male fertility and could be used for male contraception.
research The Effect of Testosterone and Fleece-Flower Root on Mouse Hair.
Testosterone and fleece-flower root affect mouse hair growth.
research Sperm extraction in nonmosaic Klinefelter syndrome patients: A case series and literature review of sperm extraction in Klinefelter syndrome patients
Younger Klinefelter Syndrome patients have a better chance of successful sperm extraction.
research 5α-Reductase, an enzyme regulating glucocorticoid action in the testis of Rhinella arenarum (Amphibia: Anura)
5α-Reductase helps regulate hormone action in toad testes, especially during breeding season.
research Male Accessory Sex Glands
Male accessory sex glands in rats rarely develop tumors and respond to hormones.
research Altered brain and pituitary androgen metabolism by prenatal, perinatal or pre- and postnatal finasteride, flutamide or dihydrotestosterone treatment in juvenile male rats
Treatment during development affects hormone balance and sexual behavior in male rats.
research Sex-Chromosome-Related Dimorphism in Steroidogenic Enzymes and Androgen Receptor in Response to Testosterone Treatment: An In Vitro Study on Human Primary Skeletal Muscle Cells
Chromosomal differences affect how muscle cells respond to testosterone.
research External genitalia abnormalities in male rats exposed in utero to finasteride, a 5α-reductase inhibitor
Finasteride exposure in pregnancy causes genital abnormalities in male rats.
research Androgen Biosynthesis and Gene Defects
Gene mutations can cause problems in male genital development.