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This article reviews the effects of various medications on male fertility, noting that while commonly used drugs can mostly have reversible impacts, conclusive human evidence remains limited.

In this large British study, prostate cancer risk was linked to ethnicity, family history, prostate enlargement, and PSA testing, while excess adiposity, smoking, diabetes, and certain lifestyle factors were associated with a reduced risk.

This study explored the complex roles of niche cells in regulating hair follicle stem cells, identifying specific cell functions such as signaling, sensing, and relaying messages, which could provide insights into treating hair loss conditions like androgenetic alopecia and alopecia areata.

This study found that male pattern baldness in European males is strongly heritable and associated with genetic markers linked to earlier puberty, bone density, and pancreatic function.

This study identified five mutations in the gene LSS in individuals with unexplained hypotrichosis simplex, highlighting a potential role of mislocalized LSS proteins in disrupting hair follicle biology.

This review explores the impact of various medications on male fertility, highlighting reversible negative effects from methotrexate, finasteride, and ketoconazole, while reporting no adverse fertility effects for oral retinoids and certain immunosuppressants.

This review discusses hormonal influences on hair growth and suggests that understanding hormone-gene interactions may improve treatment of hirsutism and alopecia, but reports no new clinical findings.

This study observed that a longer anterior clitoral anogenital distance (AGDAC) is associated with polycystic ovary syndrome in adult Mediterranean women.

This review explores recent findings on the roles of melanocyte and melanocyte stem cells in the hair follicle, highlighting their importance for skin health and potential applications in regenerative medicine, but reports no new clinical results.

The researchers reported that in mice, prolactin signaling in the skin epithelium inhibits hair follicle stem cell activation, promoting quiescence during periods of high serum prolactin like pregnancy and lactation.

This study found that in androgenetic alopecia, reduced stem cell factor production by dermal papilla cells may lead to decreased pigmentation in hair follicles.

This study presents case reports of four patients with alopecia areata or alopecia universalis, highlighting varied responses to treatments like prednisone, intralesional triamcinolone, and squaric acid dibutyl ester.

This study suggests that canonical BMP signaling, particularly involving Smad1 and Smad5, plays a critical role in hair follicle stem cell regulation and hair morphogenesis, with distinct roles from pSmad8.

This study explored a keratin, sodium alginate, and carboxymethyl chitosan hydrogel modified with tannic acid and found it to have promising wound-healing qualities, including similar elasticity to human skin, antimicrobial and antioxidant properties, and effective water retention. These attributes suggest potential applications in biomedical engineering.

This study found that Merkel cell clusters require Frizzled6 signaling for their polarity information, while other hair follicle-associated structures align their orientation based on the hair follicle itself.

In this study, alopecia areata patients treated with diphencyprone showed a significant increase in CD8 lymphocytes around hair bulbs, which may be associated with hair regrowth.

ICL is a condition with low CD4+ T cells like AIDS but not caused by HIV, and normal CD4+ T cell counts may vary between men and women.

This study suggests that controlling light exposure can influence cashmere growth by triggering hair follicles to enter their active growth phase sooner, potentially involving the CSDC2 gene as a key regulator.

This study identified a gene expression signature in mouse embryonic dermal fibroblasts that depends on Wnt/β-catenin activity, potentially influencing dermal fibroblast identity and function.

This study found a novel PAX9 gene mutation that may cause tooth agenesis and trichodysplasia in a studied family.

This study found that type 2 diabetes was associated with a higher risk of severe central scalp hair loss in African American women.

This study reports that transplanted mouse hair follicles restored piloerection ability and connected properly with host tissues, suggesting potential for advanced hair restoration therapies.

This article discusses various dermatological studies cited by previous authors and reports no new clinical results.

This article discusses the cell therapy potential of follicular cell implantation for hair regeneration and reports no new clinical results, emphasizing the role of dermal papilla cells in forming new follicles.

This study found that protein extracts from human hair demonstrated significant antioxidant abilities, protecting human dermal fibroblasts from oxidative stress, suggesting potential for biomedical applications.

In this study, researchers using the hair paradigm highlighted how periodic patterning and compartmentalization enable diverse regenerative behaviors, including region-specific renewal cycles and emergent properties like regenerative waves in organ populations.

This study reported that using 2D solid-state NMR techniques on extensively labeled mouse fur improves resolution in detecting chemical shifts and secondary structure features, potentially aiding the analysis of the effects of commercial or therapeutic treatments on specific amino acids.

This commentary honors Shoji Okuda's pioneering but overlooked work on hair transplantation techniques from 1939, detailing comprehensive experiments that were rediscovered and translated into English decades later.

This article reviews the pathophysiology, diagnosis, and treatment of androgenic alopecia but reports no new clinical findings.

This article discusses the minimal research on hair growth physiology and highlights Dr. Masumi Inaba's contributions to understanding androgenetic alopecia, but reports no new experimental results.