research Ovarian Leydig Cell Tumor and Postmenopausal Hirsutism with Signs of Virilization
A woman's excessive hair growth and masculine features were due to a rare benign ovarian tumor and endometrial cancer, which improved after surgery.
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research Ovarian Leydig Cell Hyperplasia as a Rare Cause of Hair Loss in a Postmenopausal Female Patient: A Case Report and Diagnostic Approach Toward Postmenopausal Hyperandrogenism
An 84-year-old woman's hair loss was due to a rare condition called Leydig cell hyperplasia, which was treated with surgery.
research Sertoli-Leydig Tumor in a 17-Year-Old Girl: A Case Report
A 17-year-old girl was diagnosed with a rare ovarian tumor, emphasizing the need for fertility preservation and psychosocial care.
research Nestin as a Marker of Unipotent Epithelial Progenitor Cells Differentiating into Outer Root Sheath Keratinocytes in Embryonic and Adult Hair Follicles
Nestin-expressing cells turn into a specific type of skin cell in hair follicles during development and in adults.
research Ovarian Hilus Cell Hyperplasia and Sertoli-Leydig Cell Tumor in a Patient with Postmenopausal Virilization: A Rare Case Report
A woman's male-like physical changes were caused by two rare ovarian conditions.
research Expression and Roles of Steroidogenic Acute Regulatory (StAR) Protein in Non-Classical, Extra-Adrenal, and Extra-Gonadal Cells and Tissues
The protein StAR is found in 17 different organs and can affect hair loss and brain functions, but its full role is not yet fully understood.
research Menopausal Androgen Excess-Associated Cardio-Metabolic Risk: Clues for Ovarian Leydig Cell Tumor (Case Report and Mini-Review of Literature)
High androgen levels in postmenopausal women may suggest an ovarian tumor, and removing it can improve heart and metabolic health.
research Severe Hyperandrogenism in a Premenopausal Woman With an Imaging-Negative Leydig Cell Tumor
A woman's severe male hormone excess was caused by a small, hard-to-find ovarian tumor.
research Skin Stem Cells, Their Niche, and Tissue Engineering Approach for Skin Regeneration
Skin stem cells are promising for healing wounds and skin regeneration due to their accessibility and regenerative abilities.
research Ovarian Vein Sampling, and Serum and Urine Testosterone Monitoring in Ovarian Leydig Cell Tumors: A Report of Two Cases
Ovarian vein sampling helped diagnose rare ovarian tumors causing high testosterone, and surgery to remove the tumors lowered the testosterone levels.
research Characteristic Localization of Neuronatin in Rat Testis, Hair Follicle, Tongue, and Pancreas
Neuronatin is found in specific cells within rat testis, hair follicles, tongue, and pancreas, suggesting it has various roles in tissue development and function.
research Nestin as a Marker of Unipotent Epithelial Progenitor Cell Differentiation into Outer Root Sheath Keratinocytes in Embryonic and Adult Hair Follicles
Nestin marks cells that can become a specific type of skin cell in hair follicles of both developing and adult mice.
research Nestin as a Marker of Unipotent Embryonic and Adult Progenitors Differentiating into an Epithelial Cell Lineage of the Hair Follicles
Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
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 Cell Cycle Regulation and Regeneration
Mice that can regenerate tissue have cells that pause in the cell cycle, which is important for healing, similar to axolotls.
research PNKP Is Required for Maintaining the Integrity of Progenitor Cell Populations in Adult Mice
PNKP is essential for keeping adult mouse progenitor cells healthy and growing normally.
research Dihydrotestosterone Induces Proliferation, Migration, and Invasion of Human Glioblastoma Cell Lines
Dihydrotestosterone increases growth and spread of human brain cancer cells, and blocking its formation might help treat this cancer.
research Apoptosis May Explain the Pharmacological Mode of Action and Adverse Effects of Isotretinoin, Including Teratogenicity
Isotretinoin's effects and side effects, like birth defects and depression, might be due to it causing cell death in various cells.
research The Modulatable Stem Cell Niche: Tissue Interactions During Hair and Feather Follicle Regeneration
The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.
research Virilizing Ovarian Tumor in a Woman with an Adrenal Nodule
A woman with high testosterone and an adrenal nodule had an ovarian tumor causing her symptoms, which improved after the tumor was removed.
research What’s Sex Got to Do With COVID-19? Gender-Based Differences in the Host Immune Response to Coronaviruses
Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.
research The Probable Destructive Mechanisms Behind COVID-19 on Male Reproductive System and Fertility
COVID-19 may harm male fertility and damage the reproductive system.
research New Biomarkers to Evaluate Hyperandrogenemic Women and Hypogonadal Men
The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
research Virilizing Ovarian Steroid Cell Tumor in a 40-Year-Old South Indian Female: A Case Report
A woman's masculine symptoms were caused by an ovarian tumor, which improved after surgery.
research COVID-19 Pandemic: What About the Gonads?
COVID-19 may affect male fertility and women might have better outcomes due to hormonal and immune differences.
research Hormones
Hormones are crucial for regulating body functions and imbalances can lead to health issues.
research Antioxidant Enzyme Expression of mRNA and Protein in the Epididymis of Finasteride-Treated Male Rat Offspring During Postnatal Development
Finasteride affects offspring's antioxidant enzymes in epididymis, possibly disrupting sperm maturation.
research The Case of the Elusive Androgen
The patient's high testosterone was reduced by a medication that suppresses gonadotropin.
research Histological and Immunohistochemical Examination of the Effect of the Nonsteroidal Antiandrogen Flutamide on Some Organs of the Male Reproductive System in Albino Rats
Flutamide caused damage to male rat reproductive organs and may affect fertility.
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.