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This study suggests that an in ovo injection of CHIR-99021 promoted feather growth and follicle development in goose embryos by activating the Wnt signaling pathway.

This study found that their novel 3D-imaging method, ASAXA-μCT, identified shrinkage of sweat glands as a key factor in skin aging, which leads to dermal defects, decreased elasticity, and increased wrinkling and sagging.

This study found that activating Wnt/beta-catenin signaling in hair follicles is sufficient to induce adipocyte generation in the dermis, affecting both hair follicle stem cell activation and adipocyte differentiation.

In this study, nestin-expressing cells in the hair follicle bulge, marked by GFP in transgenic mice, were identified as progenitors of the hair follicle outer-root sheath.

This review summarizes the current understanding of microRNAs in skin biology, highlighting their roles in processes like wound-healing and aging, without presenting any new experimental results.

This review discusses the role of microRNAs in skin function and potential therapeutic applications, emphasizing their importance in wound healing and disease management, though it reports no new experimental findings.

In this study, researchers found that the cell surface protein Lrig1 plays a crucial role in regulating the suppressive function of regulatory T cells, suggesting it as a potential target for treating autoimmune diseases, as evidenced by experiments in mouse models.

This study mapped gene expression in different skin structures of dogs, finding similarities to humans that support using dogs as models for human skin diseases.

This study examined the effects of WNT10B on dermal papilla cells in vitro, finding that it alters gene expression, decreases protein synthesis, and upregulates a specific signaling pathway, potentially influencing hair follicle morphogenesis.

This review examines the origins and mechanisms of tumor initiation in common skin cancers, but does not present new experimental findings; it emphasizes the need for further research on cancer stem cells.

This research suggests that plucked hair follicles may serve as a reliable surrogate tissue for tumor biopsies in drug development, based on a mouse model linking hair and tumor pharmacodynamic responses.

Dermatologists give better information on pathology forms, hypersensitivity vasculitis is a common skin issue, misdiagnoses can occur, and various skin conditions are linked to loss of elastin or genetic factors.

This study observed that stem cells from the hair follicle dermis share similarities with bone marrow-derived mesenchymal stem cells and have potential to form neural-like cells under specific conditions.

This study found that modulating BMP activity in transgenic mice affects the development and characteristics of several ectodermal organs, such as skin, hair, and claws, highlighting a stage-dependent influence on organogenesis.

This study identified a 69 bp deletion in the KRT75 gene as the cause of the frizzle feather trait in chickens, affecting feather curling.

This study found that 3-Deoxysappanchalcone may stimulate hair growth in mice by promoting proliferation of hair follicle dermal papilla cells through WNT/β-catenin and STAT signaling modulation.

This review explores the cellular and molecular basis of wound-induced hair neogenesis and its relationship with aging but does not report new clinical results, highlighting areas for future research.

This study reports differential gene expression in the leading edge and inner surface epithelial cells of murine eyelids, suggesting that distinct signaling pathways are active during embryonic eyelid closure.

In this study, researchers performed a genome-wide characterization of the Wnt gene family in domestic donkeys, identifying 19 genes and highlighting their evolutionary conservation among mammals, along with tissue-specific expression patterns potentially linked to reproductive regulation and tissue homeostasis.

This study found that keratin 15 expression is downregulated in hyperproliferative conditions like psoriasis and hypertrophic scars, suggesting it is not compatible with keratinocyte activation.

This study suggests that the COX-2 enzyme plays a role in hair follicle biology, as transgenic overexpression in mice induced hair follicle cycling disturbances and alopecia, which was mitigated by COX-2 inhibition.

In this study, the researchers observed that MMP-2 and MMP-9 significantly fluctuated with the hair growth cycle in mice, suggesting their important role in hair development.

This study reported that recombinant sonic hedgehog proteins can promote hair growth by activating hair-related genes and signaling pathways, suggesting potential as a therapeutic agent in mice.

This study suggests that skin tumor cells in tuberous sclerosis complex may promote hamartoma morphogenesis by expressing and releasing higher levels of cathepsin B.

The researchers reported that adenosine increases FGF-7 expression in dermal papilla cells, which may stimulate hair growth via the A2b adenosine receptor and cAMP pathway.

TGF-β receptors are crucial for hair follicle development.

This study found that using 3D dermal papilla spheroid models enhances extracellular matrix production and hair follicle marker expression, providing insights into hair follicle biology and potential for drug screening.

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.

This study identified the NAC transcription factor RD26 as a critical regulator of drought-induced root hair growth restriction in Arabidopsis thaliana, with a similar mechanism observed in tomatoes, indicating evolutionary conservation.

This study found that Sonic hedgehog pathway expression strongly correlates with tail regeneration in house geckos, peaking early and decreasing afterward.