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SPRY1 deficiency in skin cells causes stem cells to move to the skin surface, leading to increased pigmentation.

This study found that over-expressing Spry4 and Fgf10 modulates feather stem cells to alter feather morphologies in distinct ways, affecting barb branch formation and tissue structure.

This review details the skin and hematological toxicities of tyrosine kinase inhibitors like erlotinib, gefitinib, and imatinib, and highlights ongoing concerns about cardiac toxicity, reporting no new clinical findings.

In this study on adult-onset, whole body Spry1/2/4 triple knockout mice, researchers observed endocrine abnormalities and no increased tumor incidence, despite similar food intake and motor function.

This study found that cornifin-alpha/SPRR1 expression in mouse skin increases significantly in response to phorbol ester treatment and in papillomas and squamous cell carcinomas, particularly in differentiated areas.

This study found that MYH9 acts as a tumor suppressor in squamous cell carcinomas by stabilizing p53 in the nucleus, suggesting its role in cancer prevention.

This study observed that using 3D dermal papilla microtissues enhances hair follicle regeneration and gene expression compared to 2D cultures, indicating their potential for hair growth drug screening.

Steroid hormones can help treat aging issues and improve health in elderly people.

This article reviews methods to enhance epithelial–mesenchymal interactions for hair follicle bioengineering but does not present new experimental results; it emphasizes optimizing combinations for successful regeneration.

This review discusses the potential of endogenic and exogenous exosomes in dermatology and cutaneous aesthetics, highlighting their capacity to repair and rejuvenate skin tissue, but reports no new experimental results.

This study suggests that down-regulation of vasculature-related genes in dermal papilla cells from balding scalps might contribute to the development of androgenetic alopecia.

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.

The researchers reported that minor salivary gland stem cells exhibit stem cell characteristics and respond to tobacco-derived carcinogens, implicating the transforming growth factor beta pathway in their maintenance.

This study found that mammary resident macrophages play a key role in mammary tissue development by influencing cell division and maintaining mammary stem cell activity through the TNF-α-Cdk1/Cyclin B1 signaling pathway, highlighting their importance in the mammary stem cell niche.

This study found that male and female chicken feather morphology and color patterns can be extrinsically modified through molting and resetting the stem cell niche during regeneration.

In this study, researchers suggest that strategic early intervention during fetal wound healing could lead to significantly improved long-term skin regeneration outcomes.

In this study, microarray and proteomic analyses indicated that genes involved in immune response, receptor binding, and growth factor activity might influence wool fibre diameter in sheep.

This review explores the potential for using exosomes in treating autoimmune skin diseases and promoting skin regeneration, highlighting current applications, delivery methods, and ongoing clinical trials while also identifying challenges and future research directions within dermatology.

This chapter reviews signaling pathways related to androgenic alopecia in dermal papilla cells of balding human scalps, integrating published information and analysis of molecular interactions, without reporting new clinical results.

This review discusses the processes of melanocyte stem cell quiescence and activation, focusing on their interaction with hair follicle stem cells, and highlights current research on hair graying mechanisms; it reports no new results.

This study used a mouse model to reveal that S100A4-positive cells, specifically fibroblasts and immune cells, play a crucial role in nipple development, essential for successful lactation, despite no issues with mammary morphology or milk production.

This study found that triglyceride and energy metabolic pathways are crucial factors influencing wool fiber diameter in fine-wool Alpine Merino sheep, providing insights for enhancing wool quality.

In this study, human dermal papilla cells exposed to wasabi leaf extract showed changes in cytokine-related gene expression, which the authors suggest could help clarify the biological effects of wasabi.

In this study, researchers found that the synthetic stress hormone dexamethasone caused opposite effects on hair growth-related proteins, reducing SFRP2 and increasing SFRP3, which respectively stimulate and inhibit hair follicle cell proliferation in human dermal papilla cells.

This study found that mammary resident macrophages regulate mammary epithelium cell division and development, with implications for maintaining mammary stem cell activity and homeostasis.

This review discusses the potential regulation of signal transduction pathways by microRNAs in animal cells, aiming to identify biological processes that may be influenced by miRNA-mediated regulation, but it reports no new experimental outcomes.

This study found that, in mouse tail epidermis, stem cells rapidly activate and regenerate new progenitors to repair wounds, with mechanisms affecting their proliferation, differentiation, and migration.

This study found that the circadian clock regulates the activation state of murine epidermal stem cells, affecting tissue homeostasis and susceptibility to tumorigenesis when disrupted.

This review discusses persistent adverse effects of 5α‐reductase inhibitors, like diminished libido and erectile dysfunction, in some patients and highlights the need for patient discussions before therapy, especially for androgenetic alopecia.