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This study found that in healthy men, higher levels of free testosterone were associated with a stronger immune response to the influenza vaccine, suggesting androgens may function as immunomodulators rather than strict immunosuppressants.

This review classifies mutant mice with hair abnormalities into six categories, providing an annotated table that serves as a reference for understanding the molecular controls of hair growth.

This review highlights various methods of stem cell communication that reflect the unique organization and function of different tissues and reports no new results.

This review examines experimental and clinical evidence on PDRN, a drug derived from salmon DNA that acts via the adenosine A2A receptor and shows promise for tissue repair and treatment of diabetic foot ulcers in regenerative medicine.

This study found that 1-year use of 5alpha-reductase inhibitors, dutasteride or finasteride, significantly lowered dihydrotestosterone levels without adversely affecting bone density, lipids, or hemoglobin in normal men.

This article discusses the potential effects of exogenous testosterone, highlighting that its impact on prostate cancer progression, cardiovascular health, and behavior remains uncertain and needs further investigation.

This review discusses genome maintenance mechanisms critical for preventing age-related diseases by preserving stem and progenitor cell potential, but reports no new empirical findings.

Hormonal treatment in transgender women reduces semen quality, but stopping treatment may improve it.

This review evaluates and classifies the non-saponin components of Korean Red Ginseng, emphasizing their combined role with saponins in the plant's bioactivity, but reports no new clinical results.

This study found that the transcription factors Msx2 and Foxn1 are crucial for maintaining Notch1 expression in the hair follicle matrix, which is necessary for proper hair differentiation.

This review suggests that isotretinoin's effects on severe acne and various cancers may result from apoptosis, which might also explain its adverse effects through genetic variability.

This chapter reviews the role of androgen receptors in mediating the actions of androgens in specific tissues and provides no new experimental findings.

In this study, oral dienogest combined with ethinylestradiol provided effective contraception with a Pearl Index of approximately 0.2 and improved androgenic symptoms without significant metabolic effects.

This article reviews the use of finasteride for treating male pattern hair loss, highlighting its mechanism of action in reducing DHT and noting its safety profile with some common adverse effects.

This review examines testosterone's role in male health and aging but reports no new clinical results; the authors highlight the need for further research on optimal testosterone levels to prevent age-related conditions.

This review highlights the chemical components and various potential health effects of Daucus carota but reports no new experimental results.

The researchers reported that during early embryogenesis and larval development in Silurana tropicalis, inhibiting steroidogenic enzymes cyp19 and srd5beta affects genes related to thyroid and reproductive systems.

This review discusses the multiple layers of environmental controls on hair stem cell homeostasis and suggests that targeting these layers could offer safer regenerative medicine therapies without directly using stem cells.

This review discusses various substances that can impact male fertility and stresses that products should be confirmed 'sperm-safe' through rigorous testing, not assumptions; it reports no new study results.

This study found that Atlantic croaker nuclear androgen receptors AR1 and AR2 have different binding affinities for androgens, suggesting that they may mediate distinct physiological actions in teleosts.

This article discusses the role of dihydrotestosterone in human prostatic adenocarcinoma growth and suggests that 6-methyleneprogesterone could be used to inhibit DHT for treating hormone-responsive prostate cancer, without new clinical findings.

This review discusses the genetics and variable phenotypic expression of nonclassic congenital adrenal hyperplasia, and reports no new clinical results; the authors call for further research on long-term health impacts and treatment strategies.

This review discusses recent data on the use of anabolic-androgenic steroids and other steroid compounds and reports no new clinical results.

This review discusses 46,XY disorders of sex development caused by defects in androgen production and highlights the need for long-term care from experienced multidisciplinary teams, but it reports no new clinical findings.

This review outlines the steps of contemporary hair transplantation surgery, including the roles of medications and nonsurgical options, but it reports no new clinical findings.

Oral retinoids can cause side effects ranging from mild to severe, including birth defects, and require careful monitoring and contraception.

This review highlights that idiopathic hirsutism is characterized by local hyperandrogenization affecting hair growth, without other signs of hyperandrogenism, and shows no new results; racial differences in prevalence are noted but not in androgenic steroids.

This review discusses the pathogenesis and treatment of androgenetic alopecia, highlighting genome associations and newer topical formulations, but reports no new clinical results.

This study found no evidence of androgen deficiency or decreased peripheral androgen action in men with persistent sexual symptoms after finasteride use, but identified links to depressed mood and abnormal brain function.

This review discusses the development and selectivity of 5 alpha-reductase inhibitors, particularly non-steroidal ones, and reports no new clinical trial results.