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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 highlights the role of various signalling pathways, particularly the inhibitory BMP pathway, in regulating feather follicle development in poultry and discusses the application of biotechnology for enhancing poultry aesthetics, emphasizing the increasing importance of feather follicles in ice-fresh poultry sales in China.

This study suggests that heparan sulfate is crucial for regulating hair follicle formation, cycling, and gland morphogenesis, with its ablation leading to continuous hair growth and increased gland activity in mice.

This study found that the differential expression of α- and β-keratin genes in feathers may explain their morphological and structural diversity, highlighting the chicken as a model for studying keratin-related diseases.

In this study, researchers explored how hair follicle orientation is affected in the rosette fancy mouse and found that a mutation in the PCP gene Fzd6 caused reversed hair orientations in the posterior region, leading to the formation of unique whorls.

In this study, researchers identified that three homologous genes—ZmSPL10, ZmSPL14, and ZmSPL26—are crucial for the development of stigmatic papilla in maize, with triple knockout mutants lacking these genes showing almost no stigmatic papilla and significantly reduced kernel setting.

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 study found that back skin mesenchyme from mouse embryos can induce hair follicle formation even before dermal condensate formation, but R-spondin-1 alone or with a Bmp receptor inhibitor was not sufficient for hair follicle induction.

This study found that dermal papilla and peribulbar dermal sheath cup cells in mice can both induce hair follicle formation, suggesting they may have similar functional roles in hair growth.

This study found that Notch-related genes, including Notch1 and Notch2, and their ligands and regulators, have distinct patterns of expression during mouse hair vibrissa follicle development and the adult hair cycle.

This study demonstrates that Tp63-expressing epithelial stem cells from non-skin tissues can respond to skin morphogenetic signals and contribute to the formation of hair follicles, sebaceous glands, and epidermis.

In this research, the authors identify coordinated mechanical forces as crucial for hair follicle development in mammals, with contractile, proliferative, and proteolytic activities facilitating the formation and sectioning of epithelial structures crucial for forming a functional tissue.

This study suggests genetic and clinical heterogeneity in keratosis pilaris atrophicans, with variations in inheritance patterns, severity, and response to treatment among 21 individuals observed.

This study found that deleting FoxN1 in specific thymic epithelial cells disrupted the 3D thymic structure and led to age-dependent formation of 2D epithelial cysts, highlighting FoxN1's critical role in thymic morphogenesis.

This study found that laminin-511 is crucial for hair morphogenesis in mice, as it influences primary cilia formation and dermal papilla maintenance through noggin and sonic hedgehog signaling.

This article reviews acromegaloid facial appearance syndrome and presents a case in a 57-year-old woman, emphasizing the need for more cases to understand its clinical features and inheritance patterns.

This study reports that hair samples can be used to track chronic hormone levels, revealing stress, reproductive, and sodium regulation patterns in wildebeest related to environmental factors.

Hair can regrow if the sebaceous gland is intact, even if the hair root is removed.

This review discusses the critical role of BMP signaling in the development and regulation of skin and hair follicles and notes that further research could aid therapeutic advances; it presents no new clinical results.

This study explored the genetic regulation of goose feather follicle development, identifying miR-200a as a key regulator that inhibits GEDF proliferation through the Wnt pathway, potentially impacting goose down quality and supporting selective breeding strategies.

This review summarizes the role of Ectodysplasin A signaling in skin appendage development and various diseases, noting potential clinical applications but reporting no new research findings.

This study found that retinoic acid induces epidermal transdifferentiation into mucosal epithelium in both chick and mammalian embryonic skin, involving specific gene expressions and pathways.

This research found that Dlx3 plays a central role in hair formation and regeneration, with its absence leading to alopecia through disrupted differentiation and signaling pathways.

This review outlines the evolution of hair follicle engineering and its foundational discoveries, but reports no new experimental results.

This study found that an exosome formulation with plant extracts significantly increased hair regrowth in men with male pattern alopecia compared to a placebo, without notable adverse effects.

This review discusses the role of Edar signaling in hair follicle development and cycling, emphasizing its impact on cell fate, differentiation, and interactions with other pathways, but reports no new results.

This paper reviews the evolution of skin appendages and keratin-associated proteins among amniotes, proposing a model for their genetic divergence without new experimental results.

In this review, the authors explored the diverse roles of fibroblasts in wound healing, suggesting that understanding their complexity could lead to better insights into wound pathologies and the development of new treatments.

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 found that disrupting Sox21 in developing teeth leads to severe enamel hypoplasia, regional osteoporosis, and abnormal hair formation, with impaired dental epithelial differentiation and regulation of hair follicle cell fate.