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This study found that macrophage extracellular vesicles enriched with Wnt proteins significantly promoted hair follicle growth in mice and increased hair shaft size in human hair follicles, suggesting potential clinical use for treating hair loss.

This study developed a method for generating germ-like tissues called bbHFGs, which efficiently promoted hair follicle formation in mice, potentially advancing hair regenerative medicine applications.

This review examines the pH levels of various shampoos and reports no new clinical results, highlighting the potential importance of labeling pH values on shampoo packaging for hair and scalp health.

This study demonstrated that cultured human dermal papilla cells can induce full hair follicle formation when combined with neonatal foreskin keratinocytes in a grafted dermal-epidermal construct on mice.

Hair follicle stem cells rely on nearby blood vessels for their maintenance and function.

This study suggests that red ginseng rhizome extracts, particularly ginsenoside Ro, may promote hair re-growth in an androgenetic alopecia model due to their inhibitory activity on testosterone 5α-reductase.

This study measured the lengths and depths of different portions of occipital scalp hair follicles and suggested cutting below 1 mm for hair regeneration procedures to avoid damaging the bulge zone.

This study identified a novel keratin-associated protein, KAP24.1, which is specifically expressed in the human scalp and located in the hair cuticle.

MCSP may help identify and regulate skin stem cells, affecting hair growth and regeneration.

This study concluded that an endogenous circannual rhythm of prolactin secretion in mouflon influences their seasonal hair growth and moulting cycle, which varies under different photoperiodic and melatonin treatments.

Human cathepsin V can replace mouse cathepsin L to maintain normal skin and hair in mice.

This study reports that AS101 induced hair growth in mice and suggests potential for treating chemotherapy-induced alopecia in humans, which was observed in case report studies with three adolescents.

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 found that bleach treatments significantly increased hair surface roughness and decreased Young's modulus, indicating marked changes in hair's molecular structure which may affect future hair-care product formulation.

This study found that PPAR alpha, -delta, and -gamma are expressed in human hair follicle cells, and clofibrate exhibited a beneficial effect on hair follicle survival in culture within a specific concentration range.

In this study, captive gray seals exhibited increased resting metabolic rates and elevated thyroid hormone levels during the final stage of molting, with more pronounced changes in juveniles.

This study expands knowledge of non-coding RNAs in goats and other mammals, enhancing understanding of their roles in hair follicle growth and regression.

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 examines the role of retinoic acid synthesis in hair follicles and sebaceous glands, focusing on its localization and function during normal and disease states, but reports no new results.

In this study, 42% of healthy men aged 18-49 showed moderate to extensive male pattern hair loss, with prevalence increasing significantly with age.

This study suggests that a sandwich-structured wound dressing with bioceramic and polylactic acid layers may improve burn wound healing by absorbing exudates and promoting hair follicle regeneration.

This review found that patients with depression generally have higher hair cortisol concentrations compared to healthy controls, while those with PTSD tend to have lower concentrations.

In this study, researchers found that tritiated cortisol was incorporated into the hair of rhesus monkeys primarily as cortisol and cortisone, as well as other metabolites, after systemic administration.

A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.

This study found that hair cortisol levels increase and testosterone levels decrease with obesity, suggesting that measuring hormones in hair may be a valuable tool in obesity research and clinical practice.

This study found that the Hr gene loss and positive selection for the FGF5 gene in cetaceans likely contributed to hair loss as these animals adapted to aquatic environments.

In this study, the researchers reported that their novel algorithm for hair restoration in dermoscopy images achieved high accuracy and texture preservation, outperforming other techniques in diagnostic accuracy and texture quality measures.

This study found that while calcium can substitute for the Vitamin D receptor in maintaining epidermal keratinocyte differentiation, it cannot compensate for hair follicle dysfunction caused by the absence of the receptor.

This study suggests that a 1,550-nm fractional erbium-glass laser may stimulate hair growth in both an alopecia mouse model and human subjects with male pattern hair loss, though further research is needed to determine its clinical applications.

This study found that combining hair follicle-derived smooth muscle cells with a natural biomaterial created vascular constructs with mechanical and functional properties similar to native arteries, suggesting potential for arterial implantation.