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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.

In this study, specific versican expression was observed in the anagen phase of human hair follicles, suggesting its importance in maintaining normal hair growth.

This study found that brain-derived neurotrophic factor (BDNF) inhibited hair shaft elongation and induced premature catagen development in cultured human hair follicles, partially through transforming growth factor β2.

This study found that sex steroid hormone receptors are largely maintained during the transformation of skin appendages to neoplasms, except for androgen and estrogen receptors in sweat and sebaceous gland tumors.

Hair follicles in people with alopecia have lower levels of a key blood vessel growth protein.

This study found that substance P may be involved in the pathogenesis of acne by increasing the expression of certain cytokines and receptors in cultured sebocytes.

This study found that finasteride treatment in male rats led to enduring effects on depressive-like behavior, hippocampal neurogenesis and neuroinflammation, and gut microbiota composition after withdrawal.

Oestrogen and thyrotropin-releasing hormone affect prolactin and its receptor in human skin and hair, suggesting new treatment options for related conditions.

This study found that l-carnitine stimulated hair growth in vitro by promoting proliferation and reducing apoptosis in human scalp hair follicles, suggesting potential as a treatment for hair loss.

Leptin helps start the growth phase of hair.

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

Minoxidil effectively treats hair loss, works better for women, and requires consistent use.

This study suggests that finasteride may affect hair follicle growth by altering the expression of caspases and XIAP, potentially regulating the anagen phase of hair growth.

This study found that prostaglandin D2 reduced proliferation in bulge resident K15+ stem cells but not in other K15+ progenitor cells, suggesting differential impacts on hair follicle stem cell niches.

This study found that selective downregulation of CD200 in the bulge area might contribute to unusual bulge involvement in a subset of alopecia areata cases.

This study found that SK2 channels in sensory terminals of rat muscle spindles and hair follicles may play a crucial role in modulating mechanosensory transduction by influencing receptor potentials through Ca2+-activated K+ currents.

This study analyzes the fine structure and protein distribution in monotreme hairs, finding similarities with other mammals and detailing unique immunocytochemical features in their inner root sheaths.

This study found that COX-2 expression in normal rat skin is linked to the hair cycle, with varying levels observed in different skin structures during anagen, catagen, and telogen phases.

This study observed that both Factor XIIIa+ dermal dendrocytes and microvasculature size decreased with scalp aging and that alopecia changes resembled stress-induced premature senescence.

This study presents evidence that specific thymus-derived peptides affect human hair follicle growth, identifying thymulin as a potential hair growth stimulator despite interindividual response variations.

This study found that scalp hair follicles had higher expression of cytokeratin 15 and distinct hair layers compared to other body regions, highlighting differences in hair follicle characteristics.

This study found that transthyretin and megalin expression in human scalp hair follicles varies significantly with the hair growth cycle, peaking during anagen and diminishing in catagen and telogen phases.

No results are provided in this article as it lacks an available abstract, making it unclear what effects apremilast and tofacitinib have in a humanized mouse model of alopecia areata.

This study suggests that ADAM 10 and 12 proteases may play important roles in the regulation of hair cycling through their expression patterns in hair follicle structures.

Some patients with Alopecia Areata experience itch due to immune cells and enzymes that cause itching.

This study reports the first case of ovarian mature cystic teratoma linked to clinical virilization due to ectopic testosterone production, possibly from overexpression of the enzyme HSD17B5.

In this study, a 12-week elimination diet based on protein hydrolysate from fish and chicken was investigated in dogs with chronic skin and coat issues, showing comprehensive screening throughout the diet period to assess its impacts on dermatological health and gastrointestinal system function.

This case study reports that in an 8-year-old male, a pituitary adenoma causing isolated high LH secretion led to early testosterone-driven puberty without typical testicular enlargement, highlighting the differential roles of LH and FSH in pubertal development.

This study found that exosomes derived from human bone marrow mesenchymal stem cells significantly promote cutaneous wound healing in rats by modulating the TGF-β/Smad signaling pathway.

This study found that electrical epilation in organ-cultured human scalp skin perturbs hair follicles by causing inflammation, impairing melanin production, and possibly inhibiting post-epilation hair re-growth.