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In this study, higher expression of PEDF was observed in hair follicles from balding regions in AGA patients, suggesting that targeting PEDF could be a promising approach for treating androgenetic alopecia.

Ectodysplasin-A1 is crucial for developing hair, teeth, and glands.

Overexpression of certain genes can shorten hair by disrupting the hair-growth cycle.

This study found that Fgf5 mutant mice exhibited longer hair, particularly in males, likely due to a prolonged anagen phase in the hair cycle.

This study used a probabilistic Boolean network model to explore hair follicle cell fate regulation and predicted that varying TGF-β levels, in coordination with BMP and TNF, can influence either apoptosis or cell proliferation during different follicle growth stages.

In this study, researchers identified key lncRNAs and target genes potentially involved in the transformation of the hair follicle cycle, which could advance understanding of lncRNAs' roles in hair follicle development.

This study explored the complex developmental processes of human hair, emphasizing the intricate interactions required for hair follicle morphogenesis and its implications for drug incorporation and concentration interpretation, particularly in early childhood.

In this study, the researchers found that cholinergic signaling via M4 muscarinic receptors influences hair growth, with enhanced elongation observed upon activation with bethanechol, highlighting its potential role in hair biology using mouse models.

The conclusion is that the dermal papilla is crucial for hair follicle regrowth, and hair follicles undergo significant structural changes in addition to cell division during regeneration.

This study introduced a new classification system for distinguishing between anagen VI and early catagen stages in human hair follicle organ culture, using it to confirm eflornithine's ability to induce premature catagen.

In this study, researchers found that changes in the extracellular matrix components, particularly fibronectin, laminin, and type IV collagen, during the rat vibrissa follicle growth cycle, suggest dynamic remodeling related to dermal-epidermal signaling.

This Italian guideline discusses the diagnosis and treatment of alopecia areata but reports no new clinical trial results; the authors highlight the need for well-designed studies.

This study found that conditioned medium from keratinocytes improved the hair-inductive properties of cultured dermal papilla cells, suggesting potential for enhancing hair follicle regeneration.

This study suggests that type IV collagenases, MMP-2 and MMP-9, play important roles in the hair cycle by regulating the expression of VEGF, IGF-1, and TGF-β in mice.

This study found that while SP did not enhance linear hair growth in cultured hair follicles, it prolonged the anagen phase and altered the expression of growth factors and apoptosis-related molecules, suggesting a stimulatory effect on hair growth.

This study investigated the expression of KRTAP6 gene family in Gansu Alpine fine-wool sheep, finding significant expression during the anagen phase and a negative correlation between KRTAP6-1 and KRTAP6-5 expressions with wool fiber diameter and strength.

This study found that rare damaging variants in the KRT82 gene, which affect hair shaft integrity, may contribute to the risk of alopecia areata.

This study reported that using autologous micro-grafts according to the Rigenera® protocol may improve hair restoration and increase hair follicle numbers in patients with androgenetic alopecia after 6 to 9 months.

Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.

This study identified a new cytokeratin, mK6irs, specifically expressed in the inner root sheath of mouse hair follicles, distinguishing it as a member of the type II cytokeratin family.

This study found that Akt2 and SGK3 are crucial for postnatal hair follicle development in mice, as their combined absence led to severe hair growth defects due to disrupted β-catenin-dependent transcriptional processes.

Researchers found that diammonium glycyrrhetate at 0.01 μmol/L significantly promotes human hair follicle growth in vitro and increases hair matrix cell activity, potentially through activating the Wnt/β-catenin signaling pathway.

In this study, miR-31 was found to play a significant role in hair cycle regulation in mice by controlling key gene expressions involved in hair growth and differentiation.

This study identified potential ceRNA regulatory networks in cashmere goat hair follicle cycling, expanding understanding of lncRNA and miRNA biology and annotation of the goat genome.

This study found that continuous expression of epidermal growth factor in transgenic mice prevented hair follicles from entering the catagen phase, implicating EGF as a crucial regulator in hair cycle progression.

This essay discusses telogen effluvium, the issues surrounding its diagnosis and differentiation from other forms of hair loss, and emphasizes the need for empathetic patient care; it reports no new clinical findings.

This study found that treatment with the polyphenolic compound TCQA activated β-catenin, promoting hair regrowth and the initiation of the anagen phase in mice and human dermal papilla cells.

This study found that applying a tocotrienol-rich phytochemical topically induced hair follicle development in adult mice, revealing a new epidermal pathway involving E-cadherin and β-catenin.

In this study, researchers found that SIRT7 activates quiescent hair follicle stem cells to promote hair growth in mice by triggering the telogen-to-anagen cycle transition, with potential implications for age-related hair loss.

This study suggests that PDGFA and BMP2 play a role in the hair follicle cycle in cashmere goats, with PDGFA particularly involved in activating the growth phase.