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This review discusses the various stem cell populations associated with hair follicles and their potential in regenerative medicine, highlighting differences between murine and human hair follicles but reports no new clinical results.

This review highlights the role of matriptase in epithelial differentiation and cancer, noting that unregulated matriptase expression can enhance cancer progression in animal models, but reports no new experimental data.

This review discusses the critical role of BMP signaling in the development and regulation of skin and hair follicles and notes that further research could aid therapeutic advances; it presents no new clinical results.

This study found that flutamide was more effective than spironolactone in reducing symptoms of hirsutism and related conditions in premenopausal women, with fewer discontinuations due to side effects.

This study found that PRP injections may improve hair density and reduce hair loss in patients with androgenetic alopecia without significant side effects, but further research is needed to confirm efficacy.

This study demonstrates that stem cells from human foreskins, which lack hair follicles, can differentiate into melanocytes and migrate to the epidermis, potentially altering our understanding of pigmentation disorders.

This review explores mechanisms of skin angiogenesis and suggests targeting blood vessels as a promising therapy for skin diseases, but it reports no new research results.

This retrospective study found that juvenile alopecia areata is more severe and has a worse prognosis than maturity-onset alopecia areata.

This study found that mechanical skin stretching can stimulate hair stem cell proliferation and hair regeneration by activating a complex pathway involving WNT, BMP-2, and M2 macrophages.

This forum article in BMC Biology discusses evolving views on the concept of the stem cell niche, highlighting varied mechanisms and the need for better understanding of the niche's roles and functions.

This study found that women with androgenetic alopecia or alopecia areata have significantly lower serum ferritin levels than those without hair loss, suggesting a potential link between these types of alopecia and decreased iron stores.

This study found that adults with sickle cell anemia exhibited androgen deficiency due to primary testicular failure, and there was a significant correlation between erythrocyte zinc levels and serum testosterone.

This study found that chitosan nanofibrillar scaffolds accelerated skin wound healing in mice by enhancing cell adhesion, proliferation, and regeneration of epidermis and dermis compared to other forms.

This study introduces a novel non-invasive method called "differential stripping" to quantify the penetration of topically applied substances into hair follicles.

This study suggests that stress negatively affects hair growth by inducing inflammation and early hair cycle transitions in mice, which might inform strategies for managing stress-related hair loss in humans.

This study found that murine vibrissa hair follicle stem cells can be differentiated into corneal epithelial-like cells in vitro using limbus-specific microenvironmental factors, suggesting a potential therapeutic source for ocular surface disorders.

This study suggests that human trichohyalin may function as a flexible rod linking keratin intermediate filaments and as a scaffold protein in hair follicle and epidermis cell envelopes.

This review discusses the molecular mechanisms involved in hair follicle development and regeneration, highlighting findings from mouse genetic studies, and reports no new experimental results.

Liposomes with certain properties can effectively deliver drugs deep into hair follicles.

In this study, a new shading model for hair was developed that better matches real-life light scattering, thanks to detailed new measurements of hair fiber scattering not predicted by existing models.

This study found that telocytes are present in the human dermis, suggesting a potential role in skin homeostasis, remodeling, regeneration, and repair.

This review discusses the protective effects and mechanisms of melatonin in skin and suggests potential therapeutic applications in cutaneous medicine, reporting no new clinical findings.

This study observed that applying JAK-STAT pathway inhibitors to mouse and human skin led to rapid hair growth by inducing the anagen phase of hair follicles.

In this study, researchers found that substance P triggered premature catagen development and immune changes in human scalp hair follicles, providing a possible biological link between stress and hair loss conditions like telogen effluvium and alopecia areata.

This study found that manipulating Wnt signaling pathways in cutaneous wounds can induce skin structures resembling regeneration, suggesting a potential role for Wnt signals in restoring skin architecture during wound healing.

This literature study reviews the consequences of hair loss due to chemotherapy and nursing care interventions but reports no new clinical results.

This study identified two cell surface markers, FAP and CD90, that distinguish between papillary and reticular fibroblasts in human skin, suggesting distinct functions and distribution in dermal layers.

This review examines the functions of vitamin D and its receptor in skin and explores how these are regulated, reporting no new clinical results.

β-catenin affects hair growth and can lead to tumors, needing more research for better understanding.

This study found that severe zinc deficiency induced in weanling rats led to growth retardation, hair issues, and dermal lesions, all of which were completely reversed by zinc supplementation.