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This study identified a new S100 fused-type protein, scaffoldin, in reptiles and birds and suggests that SFTP-positive epithelia serve as scaffolds for the growth of various skin appendages, indicating a common evolutionary origin.

This study identified a 195 bp duplication in crested chickens that causes large crest feathers and can be associated with cerebral hernia in some breeds, but not all.

This study reveals that transglutaminase activity is widespread in integumentary structures of mammals and birds, suggesting it plays a significant role in the cornification of hard skin appendages like nails and feathers.

This chapter discusses stem cell activity in feather and hair follicles, emphasizing how stem cells maintain their population by cycling between quiescence and activation in specialized niches but reports no new results.

This review covers the recent advances in understanding how Turing models may explain various morphogenetic processes, but it reports no new experimental findings.

This study found that overexpression of Hoxc13 in GC13 mouse models affects hair follicle differentiation by interacting with medulla-specific genes, particularly Foxq1, suggesting a regulatory pathway for medulla differentiation.

This study established an androgen-responsive human organ culture model using hair follicles, demonstrating that women's intermediate facial follicles grow more hair in response to men's higher androgen levels.

This chapter reviews various in vitro and laboratory animal models for studying potential therapies for alopecia and reports no new results.

This study found that overexpression of R-spondin 3 in a mice model impaired hair morphogenesis and regeneration by reducing hair matrix progenitor cell proliferation, thus disrupting the Wnt pathway's regulation of stem cells.

In this study, feeding H-line chickens a diet with 1.0% tyrosine for 40 days significantly increased melanin deposition in feathers and revealed changes in gene expression related to melanin pathways, suggesting tyrosine's involvement in regulating feather color through the EDNRB2 regulatory network.

This review discusses the function and pathology of hair follicles and highlights the potential of using dogs as a model to study human hair and stem cell disorders, but presents no new experimental results.

This study demonstrated that RNA interference targeting mutant keratin genes can effectively correct hair shaft structural defects in a mouse model by reducing mutant gene expression.

This study suggests that dietary grape powder may reduce the severity of atopic dermatitis in a mouse model, highlighting its potential in both prevention and intervention settings.

In this study, ads in leading Indian men's magazines featured more international brands and Caucasian models, while promoting a class-based global masculinity among upper-class urban Indian men.

This study evaluated the antiulcer potential of Glycyrrhiza glabra and found that its hydroalcoholic extract demonstrated dose-dependent protective effects against various ulcer models, comparable to standard drugs like omeprazole and cimetidine, by enhancing mucosal defenses and reducing stomach acid production.

This review discusses the conserved molecular mechanisms controlling hair follicle development and cycling and suggests they may also apply to other ectodermal derivatives, like teeth and feathers, but it reports no new results.

This review examines the role of stem cells and their niches in continuously growing ectodermal organs like teeth, hair, and claws, providing insights from mouse models without presenting new research findings.

This review discusses the molecular mechanisms of Hutchinson-Gilford progeria syndrome and evaluates current research trends, available mouse models, and prospects for developing therapies, but reports no new clinical findings.

This study found that Hoxc13-/- rabbits exhibit complete hair loss on the head and dorsum, providing a potential model for understanding human ECTD-9 and related dermatological conditions.

This study suggests a regulatory model where HOXC13 activates Foxn1, affecting hair and nail differentiation, supported by similarities in Hoxc13(tm1Mrc) and Foxn1(nu) mice phenotypes and gene expression patterns.

In this study, researchers found that alkylating chemotherapy causes hair follicle stem cells to lose their regenerative ability by initially triggering proliferation followed by apoptosis, leading to permanent regeneration loss.

In this study using lab models, YangHyulEum Gami-Bang (YHEG) was associated with promoting hair growth and inhibiting factors that contribute to hair loss.

This study found that overexpression of Wnt1a in bone marrow mesenchymal stem cells enhanced mouse hair follicle regeneration and promoted hair cycling.

This study found that a five-dimensional model of personality perception from men's facial photographs better captures the complexity of face perception than the traditional two-dimensional Valence-Dominance model, highlighting overlaps with personality structures known from differential psychology.

This study presents evidence suggesting that androgenetic alopecia is most likely inherited through a polygenic model, challenging the traditional view that it is caused by a simple Mendelian autosomal dominant gene.

This study highlights multiple factors contributing to hair graying, such as oxidative damage, melanocyte changes, and genetic influences, and suggests that repigmentation may be temporarily reversible, offering potential targets for future treatments while urging caution when applying mouse model findings to humans.

This study found that unique genomic regions in Korean long-tailed chickens may contribute to their long tail feathers, offering potential for genetic advancements in ornamental chicken breeding.

This study found that blocking corticotropin-releasing factor receptors with astressin-B promoted hair regrowth and prevented alopecia in a mouse model of stress-induced hair loss.

This study reported that recombinant human hair keratins, K37 and K81, showed higher purity and enhanced fibrin clot formation compared to traditional extracts, reducing bleeding time and blood loss in rat injury models.

This review discusses human hair follicle development and highlights the potential of creating human in vitro models and skin substitutes with hair follicles, reporting no new clinical results.