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This review identifies genetic mutations associated with congenital hair loss disorders in Japanese populations, particularly highlighting common LIPH gene mutations linked to woolly hair/hypotrichosis, and reports no new clinical results.

In this study, synthetic vitamin D3 analogs stimulated hair growth and formation of normal hair follicles in nude mice, unlike the natural form 1,25 dihydroxyvitamin D3.

This review discusses immunohistological and immunofluorescent methods for studying the human hair follicle cell cycle, reporting no new results, and suggests its potential for advancing cell cycle research.

This study found that applying TPA to mice accelerated hair follicle regeneration by activating Akt and Wnt/ß-catenin signaling pathways, involving hair follicle stem cell proliferation.

This article discusses primary cicatricial alopecias, a group of rare inflammatory scalp disorders resulting in permanent hair loss, and reports no new findings.

Polarized microscopy is a quick and free method to correctly identify types of hair loss.

This article discusses the complex biological functions and social significance of hair follicles and reports no new research findings, emphasizing their role in health, disease, and a substantial beauty industry.

The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.

This trial found that intradermal injections of the Hair Stimulating Complex were well-tolerated and effectively stimulated hair growth and prevented hair loss in male pattern baldness participants over 18 weeks.

Targeted therapy for skin cancer is complex due to the role of the hedgehog pathway in both cancer and hair growth.

This article discusses the biologic and psychosocial significance of hair, the current limitations in hair growth drugs, and anticipates future therapies based on advancing hair follicle research.

This study found that rat whisker follicle stem cells can be expanded in culture and transplanted to form functional hair follicles, demonstrating their multipotency and potential for regenerative medicine.

This study reveals that overexpression of Wnt3 in transgenic mouse skin leads to a short-hair phenotype and cyclical balding due to structural defects in hair shafts, highlighting a role for WNT signaling in hair growth regulation.

This study found that polycomb-group-mediated repression plays a key role in regulating hair follicle stem cell states and lineage progression by distinct mechanisms in adult mouse skin.

This review discusses the role of growth factors and cytokines in hair follicle development and cycling, but reports no new clinical findings on treatments for hair growth disorders.

This study found that prolactin and its receptor are expressed in the murine hair follicle epithelium, influencing hair cycle phases by down-regulating keratinocyte proliferation during anagen and inducing premature catagen.

This article reviews the hormonal and medication-related factors associated with acne development but does not present new research findings.

This review discusses the evolution and ongoing debate about the causes of central centrifugal cicatricial alopecia in African American women, without presenting new clinical findings.

This study found that p53 plays a crucial role in regulating apoptosis during hair follicle regression (catagen) in mice, and its absence leads to delayed progression and altered expression of apoptosis-related markers.

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.

Genetics and hormones cause hair loss; finasteride treats it safely.

In this study, decreased expression of BMP2 and ephrin A3 and increased NT-4 gene expression were observed in dermal papilla cells from androgenic alopecia-affected skin, suggesting potential roles in hair growth regulation.

This study confirmed that a sulfotransferase enzyme test can effectively rule out 95.9% of nonresponders to 5% topical minoxidil for treating androgenetic alopecia.

This study found an association between a splice site variant in the KRT71 gene and curly hair in Selkirk Rex cats, identifying a significant locus on chromosome B4.

This study found that the dermal papilla of the hair follicle regulates stem cell quiescence and regeneration by modulating Shh and Wnt signaling pathways, highlighting the importance of signaling cross talk in regeneration.

This study observed that rat vibrissa hair follicles cultured in vitro showed morphological changes suggesting cyclical activity but remained blocked in the pro-anagen stage.

Bimatoprost gel makes eyelashes grow longer, but may cause side effects and should be monitored by an eye doctor.

This article discusses central centrifugal cicatricial alopecia, noting its prevalence in women of African descent and highlighting the need for further genetic research to improve treatment options; it reports no new clinical results.

This review discusses the research supporting the approval and use of minoxidil for androgenic alopecia and reports no new clinical results, emphasizing recent findings and developments.

This review discusses various aspects of hair follicle biology and highlights unresolved questions and potential new research avenues, but presents no new experimental findings.