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This study suggests that increased Wnt signaling may promote excessive differentiation of melanocytes, leading to exhaustion of melanocyte stem cells and hair graying in aged mice.

Examining scalp tissue under a microscope helps diagnose and understand hair loss diseases.

This study found that estradiol affects hair growth in mice by regulating the transition of hair follicles from rest to growth phases via the estrogen receptor pathway in the dermal papilla.

Most hair loss in kids and teens is due to common conditions, and hair usually grows back within 6 months.

Cyclosporin A and FK506 can start new hair growth in mice, but ascomycin and rapamycin cannot.

Hair loss in children can be caused by fungal infections, trauma, autoimmune disorders, or stress, and treatments vary depending on the cause.

In this study, patients with systemic lupus erythematosus and generalized non-scarring alopecia exhibited hair loss similar to telogen effluvium, with significant changes observed in the cuticle of telogen hairs.

Hair loss can be linked to hormonal changes, and physical conditions like heart defects can cause depression.

This abstract does not provide any research results; it outlines website navigation and access instructions for the JAMA network.

This study found that Wnt1a overexpression from bone marrow mesenchymal stem cells enhanced hair follicle regeneration in mice by promoting the dermal papilla's role in hair cycling and gene expression recovery.

This correspondence questions the assertion in a 1961 article that lichen sclerosus et atrophicus does not lead to carcinoma, citing a case contrary to the author's claim.

This review explores low-level light therapy's potential as a noninvasive treatment for various forms of alopecia, noting its promising results in hair regrowth and density but highlighting the need for standardized protocols and further research.

This study found that women experiencing hair loss post-COVID-19 showed significantly decreased serum copper levels, suggesting potential further research into copper supplementation for preventing and treating post-COVID-19 alopecia.

In this study, researchers observed that the YH complex, made from Astragalus membranaceus and Cinnamomum cassia, promoted hair regrowth and increased hair shaft thickness in mice, potentially through increased growth factors and Wnt/β-catenin signaling, suggesting its use for treating various forms of hair loss.

This study found that autophagy activation in hair follicle stem cells shifted their metabolism to glycolysis, which promoted hair growth by initiating the hair follicle cycle.

In this open-label study, the researchers observed that using Kerascalp hair serum daily for 90 days improved hair thickness, density, and strength while reducing hair loss in subjects with mild to moderate androgenetic alopecia, with benefits persisting even after discontinuation.

This study found that human embryonic stem cell-derived mesenchymal stem cells promote hair growth and enhance the transition from the telogen phase to the anagen phase in mice, especially under hypoxic conditions.

This study demonstrated that a daily oral supplement of 1000 mg Kera-Diet® improved hair and nail conditions in women experiencing acute telogen effluvium and brittle nail syndrome over three months.

This study found that in hairpoor mice, disruptions in hair follicle stem cell quiescence and signaling pathways lead to disturbed hair cycles, which may help explain alopecia development in Marie-Unna Hypotrichosis patients.

This review covers hair anatomy, common hair diseases, diagnostic approaches, management, and hair care, but reports no new clinical findings; the authors highlight the importance of proper hair care knowledge.

The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.

The document explains hair growth, hair loss types, and other hair-related terms.

Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.

This review discusses advances in using tissue engineering to improve the inductivity of dermal papilla cells for hair follicle restoration and reports no new clinical results.

This study found that combining platelet-rich plasma injections with minoxidil in treating androgenetic alopecia increased the number of hair follicles, anagen phase hairs, and decreased telogen phase hairs compared to minoxidil alone.

This review discusses female androgenic alopecia, highlighting its potential difference from male androgenic alopecia and notes increased incidence, but reports no new clinical findings.

This article reviews the stages and regulation of the hair cycle, highlighting molecular regulators involved, but it does not present new research findings.

This study found that adult mouse dermis can be reprogrammed by epidermal cues to resemble neonatal dermis, with changes in fibroblast proliferation and extracellular matrix composition.

This review summarizes the major events and regulators of the hair cycle in mammals but reports no new experimental results; it emphasizes the complex regulation of stem cell activation and differentiation during hair growth.

In this study, researchers found that Notch signaling is crucial for late-stage epidermal differentiation and postnatal hair cycle homeostasis by regulating hair follicle stem cell proliferation and differentiation.