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Hair follicle dermal stem cells help control hair growth timing by regulating signals at the hair germ–dermal papilla interface.

The researchers reported that basement membrane heterogeneity, especially laminin α5 composition, plays a critical role in distinct inter-tissue interactions and hair cycle regulation in mouse hair follicles.

In this review, researchers explored how air pollutants increase oxidative stress and inflammation in human skin, affect vitamin D synthesis, and interact with the skin microbiota, also discussing AhR/Nrf2 as a potential target for treating pollution-related skin conditions.

This article provides contact information for Bruce A. Morgan and features no new research findings.

This study found that the vitamin D receptor is essential for the self-renewal, migration, and differentiation of epidermal stem cells during skin wound healing in mice.

In this study, co-grafting human keratinocytes with murine dermal papilla-enriched cells produced hair follicle-like structures, but without regular hair formation, suggesting anomalous folliculogenesis.

This study found that Wnt5a regulates hair follicle differentiation in mice by mediating epithelial-mesenchymal interactions and influencing dermal papilla cell activities.

This review explores the potential (neuro-)endocrine influences on hair follicle epithelial stem cell biology and emphasizes the need for more systematic research, but it provides no new empirical results.

In this study, pantothenic acid at 20 μg/ml was observed to promote dermal papilla cell proliferation and migration, likely through up-regulation of ID3 and inhibition of Notch signaling.

This review discusses recent advances in understanding the molecular landscape of the dermal papilla, particularly focusing on Blimp1's role in hair follicle development and potential therapeutic targets for hair regeneration, but presents no new clinical results.

This study found that coconut oil impedes hair hydration more effectively than soybean oil by penetrating deeper, and suggested a new model for intermediate filament assembly in hair.

This review explores recent insights into how intrinsic gene oscillations and molecular interactions in hair follicle stem cells contribute to their regenerative potential, with potential implications for regenerative medicine, but reports no new clinical results.

This chapter reviews the use of electrospun matrices in creating tissue-engineered skin substitutes and reports no new clinical results; it emphasizes the need for a cell-friendly microenvironment.

This study identifies a bipotent stem cell in adult hair follicles that self-renews and contributes to dermal sheath and papilla cell populations, potentially aiding hair regrowth after injury, disease, or aging.

This study used cashmere goats to reveal distinct intermediate states of dermal papilla cells, each with specific roles in hair growth, shedding, and regeneration.

In this study, researchers analyzed skin tissues from two types of Jinlan Cashmere Goats and identified crucial non-coding RNA mechanisms potentially impacting cashmere yield, revealing significant DE lncRNAs, mRNA expressions, and pathways relevant to cashmere quality improvement.

This review discusses dietary manipulation strategies in a mouse model of CBS deficiency and reports no new results; the authors emphasize the importance of understanding gene-diet interactions.

This review discusses experimental data, technologies, and genetic factors related to stem cell niches, highlighting their role in tissue regeneration and diseases, but reports no new results.

This article reviews evidence suggesting that vitamin D may help manage Hashimoto’s thyroiditis by affecting immune pathways and improving thyroid function, though more research is needed to fully understand its therapeutic potential.

This study found that injecting keratin into the skin of mice promoted hair growth, potentially through keratin's interaction with hair-forming cells and changes in the microenvironment.

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 reveals that basement membrane composition and structure in mouse hair follicles are specialized for distinct inter-tissue interactions, with laminin α5 being essential for maintaining these interfaces.

This study constructed a comprehensive atlas of prenatal human skin, revealing that innate immune cells, such as macrophages, play a crucial role in skin morphogenesis by interacting with non-immune cells, influencing hair follicle formation and angiogenesis beyond their traditional immune functions.

This study found that Brg1, a chromatin-remodeling enzyme, plays a critical role in hair regeneration and early epidermal repair by regulating bulge stem cells through a Brg1-Shh interaction.

The study investigated immune cell patterns around the hair follicle infundibulum in androgenetic alopecia, revealing significant differences in immune signatures between patients with AGA and control donors, specifically noting an enrichment of CD4 cells in the patient group.

This study successfully optimized a culture strategy for dermal papilla cells and established an immortalized cell strain, iDP6, which is suitable for research and application.

This study found that human mesenchymal stem cell-derived extracellular vesicles promote the proliferation and migration of hair follicle cells and increase hair shaft elongation in cultured human hair follicles.

This review summarizes existing evidence on how YAP and TAZ proteins are activated in epidermal keratinocytes and their role in coordinating with other signaling molecules to control transcription and influence epidermal cell fate, highlighting their importance beyond the Hippo pathway.

This review analyzed current studies on metabolite production from the medicinal fungus Cordyceps militaris, focusing on its fermentation modes and biological functions, and emphasizes the need for modern fermentation processes to enhance industrial production.