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This review discusses the complexity of identifying hair follicle antigens involved in alopecia areata and reports no new clinical results, emphasizing the need for further research on autoantigen identity.

This study found that skin bacteria promote regeneration in wound-induced hair follicle neogenesis, suggesting a role for IL-1β signaling and challenging the belief that infection inhibits healing.

This study suggests that edelweiss extract may promote hair growth and reduce shedding in ex vivo experiments by affecting hair follicle anagen phase duration and keratinocyte proliferation.

This study found that a new formulation using short chain esters and ethanol can selectively deliver hydrogen peroxide to hair follicles during epilation, causing follicular damage without affecting epidermal keratinocytes.

This study suggests that epidermal turnover could be a regulated mechanism of iron excretion, with systemic iron levels influencing keratinocyte behavior and differentiation markers in the skin.

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.

This study suggests that the outer root sheath of human hair follicles may act as a "metabolic center," capable of synthesizing glucose from lactate, which supports glycogen metabolism.

This study identified the dermal sheath as a key component of the hair follicle niche, essential for outer root sheath regression during the hair cycle, highlighting its importance in hair follicle support and regulation.

This study found that while epidermal PLCγ1 is not necessary for keratinocyte differentiation in interfollicular epidermis, it is crucial for normal hair and sebaceous gland formation in mice.

In this ex vivo study, inhibiting Ezh2 with a small molecule slowed human hair growth by decreasing proliferation and increasing apoptosis in the outer root sheath.

This study observed distinct changes in the ultrastructure of Hexi cashmere goat hair follicles throughout the year, highlighting stages with specific cellular and structural characteristics.

In this study, Dsc 1 was highly expressed in certain layers of fetal epidermis and hair follicle but not in basal cells or oral mucosa, indicating its potential role in maintaining epithelial integrity.

This study found that putative hair follicle stem cells can successfully be cultured from the bulge area of hair follicles for up to four days, suggesting potential for further development of culture techniques.

Syphilitic alopecia is a rare hair loss condition in secondary syphilis that looks similar to another condition but can be diagnosed with specific tests and responds to antibiotics.

This study found that both epithelial and hair keratins are expressed in beard hair medulla cells, exhibiting unique patterns and interactions distinct from other hair follicle and epithelial cells.

This abstract provides a graphic illustrating that mice lacking the Sgk3 gene exhibit thin coats and abnormal hair, suggesting a role for Sgk3 kinase in hair follicle growth, but reports no new experimental findings.

This study developed a tissue-engineered model of innervated skin, allowing for examination of how epidermis and capillaries affect nerve growth and offering a tool for further research on skin-related processes.

This study found that hair germ and epidermal basal cells differ in keratin expressions in rat hair tissues, with hair-specific keratins appearing after the differentiation of each layer.

This study documents that trichohyalin acts as a multi-functional cross-bridging protein in the inner root sheath of mouse hair follicles, enhancing mechanical strength by linking keratin filaments to the cell envelope.

This study found that VR1 activation in human hair follicles inhibited hair growth by suppressing proliferation and promoting apoptosis, suggesting VR1 plays an important role in hair growth regulation.

This study found that Arabidopsis thaliana mutants with altered AtRBOHC/RHD2 enzyme function showed abnormal protein regulation linked to increased drought sensitivity due to disrupted plasma membrane protein balance and cytoskeleton changes, as revealed through proteomic analysis and advanced microscopy.

This report describes an unusual case of proliferating trichilemmal cyst with trichoepitheliomatous change in a young woman, differing from its typical presentation in elderly women.

In this study, researchers identified a cluster of hair-specific keratin-associated protein genes within the 21q22.3 region, revealing a novel transcription mechanism involving TSPEAR/C21orf29 that may bypass typical transcriptional termination sites.

This study observed that decreased nucleolar organizing region protein synthesis in hair root cells is correlated with hair loss in humans.

This study suggests that certain herbs may reverse the catagen phase in hair growth, potentially providing a treatment approach for alopecia.

LED light helps human hair root cells grow and prevents them from dying by activating specific growth pathways.

Mimicking growth factors in a topical solution can prolong hair growth phase and reduce hair loss without side effects.

This study found that activation of the TRPV3 ion channel inhibits human hair growth by affecting hair follicles and outer root sheath keratinocytes.

HGF activator helps convert HGF to its active form, promoting hair growth.

This review examines the differentiation potential of epithelial cells from various sources in hair follicle formation, concluding that complex interactions are required for hair-specific characteristics, which were achieved in vivo but not in vitro.