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This study found that Merkel cells in dogs are most numerous in sensory receptive areas like oral mucosa and facial skin, indicating a potential role in tactile sensation.

In this study, researchers documented the immunohistochemical distribution of CD34 in basal cell carcinoma and found distinct patterns of CD34 expression, with variations in CD34 positivity between different areas of BCC tumor stroma and adjacent skin regions.

This study found that co-administering sasam-Kyeongokgo with gefitinib enhanced gefitinib's anti-tumor activity and exhibited favorable anti-cachexia effects in mice with non-small-cell lung cancer.

This study found that increased expression of the stem cell factor receptor c-kit was associated with alopecia areata and androgenic alopecia, suggesting it may have a predictive role in progression among high-risk patients.

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 overexpressing the BMP inhibitor Noggin in transgenic mice led to a significant loss of nontylotrich hair follicles, suggesting a critical role for BMP signaling in hair follicle morphogenesis and cycling.

This study reports that human epidermal neural crest stem cells from hair follicles can be quickly differentiated into highly pure human Schwann cells without genetic manipulation, suggesting their potential for therapeutic applications.

This study found that saw palmetto extract inhibits glioma cell proliferation and angiogenesis via the STAT3 pathway, suggesting its potential use as a complementary therapy for cancers with activated STAT3 signaling.

In this study, the elimination of NG2+ hair follicle stem cells during the anagen phase was associated with an aggravated sensitization phase of allergic contact dermatitis, suggesting their immunosuppressive role.

Human hair follicles can provide stem cells for regenerative medicine.

This study found that β-catenin signaling increases in newly born glial cells in the cortex after traumatic brain injury in mice, suggesting potential targets for enhancing recovery through the Wnt/β-catenin pathway.

This study found that cultured hair follicle dermal cells support maintenance and potentially aid in the clinical application of pluripotent and haematopoietic stem cells.

This review provides a comprehensive overview of melatonin's physiological roles, effects, and clinical implications, but it does not present new experimental findings.

This review discusses the role of intrinsic skin signals, rather than serum signals, in regulating melanin synthesis and hair pigmentation, but reports no new experimental data.

This study identified a novel MTS24-positive murine keratinocyte population with increased colony-forming ability, suggesting these cells may serve as a new reservoir of proliferative progenitor or stem cells in hair follicles.

This study found that activation or inhibition of Wnt/β-catenin and Notch signaling pathways in rats can alter wound healing, possibly by affecting epidermal stem cell activity and keratinocyte behavior.

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

This review discusses neural mechanisms involved in hair growth control, focusing on piloneural interactions, but reports no clinical findings; the authors suggest further exploration for managing hair growth disorders.

Matriptase is crucial for skin barrier, hair growth, and may contribute to skin cancer.

In this study, researchers reported that a keratinocyte growth factor-Ig fusion protein could specifically detect and localize KGFRs in epithelial tissues, suggesting a method for histochemical detection of growth factor receptors.

This review examines the mixed evidence on mast cells as regulators of skin fibrosis and highlights existing gaps in the scientific understanding, reporting no new experimental results.

This study demonstrates that FMOD deficiency in mice alters TGF-β ligand and receptor expression during wound healing stages, leading to delayed wound closure and increased scar size.

This study found that microwave-assisted Opuntia humifusa extract improved antioxidant and anti-inflammatory properties to counteract particulate matter's harmful effects on HaCaT keratinocytes.

Feathers become harder as they develop due to a change in keratin type.

This study observed dynamic changes in CD10 and CD34 expression in fetal and adult human hair follicles during embryogenesis and hair cycling.

This study established an efficient short-term culture system for human hair follicle stem cells using human fibronectin and ROCK inhibitor Y-27632, enhancing cell proliferation and stemness for potential applications in hair follicle tissue engineering.

This study found that epimorphin is closely linked to developing hair follicles in human fetuses, suggesting it plays a significant role in hair follicle morphogenesis.

This study found that human hematopoietic mesenchymal stem cells increased the viability and migration of human outer root sheath cells in an in vitro alopecia areata model, involving Wnt/β-catenin and JAK/STAT pathways.

This review article summarizes the potential role of advanced medical therapies—using genes, cells, and/or tissue engineering—in treating various types of alopecia, by examining clinical research, basic studies, and ongoing trials.

This study reports that the tetrapeptide AcSDKP significantly promotes skin and hair health in vitro and ex vivo, suggesting it could be used cosmetically to counteract skin aging and hair loss.