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This study found that rice bran ash extract and orthosilicic acid both increased melanin synthesis and related protein expression in melanocytes, suggesting potential therapeutic use for melanin deficiency.

This study found that human dermal stem/progenitor cells demonstrated greater proliferation and differentiation potential than hair follicle dermal papilla cells, which showed increased expression of hair regeneration markers.

This study found that ginsenoside Rf from Panax ginseng may serve as an effective anti-pigmentation agent by inhibiting the CREB/MITF pathway, reducing melanogenesis in melanocytes and UV-irradiated human skin.

In this study, quercitrin was reported to promote hair growth and cell viability in cultured human dermal papilla cells by enhancing cellular energy metabolism and growth factor production via MAPK/CREB signaling.

This study found that tribuloside, a flavonoid from Tribulus terrestris L., enhances melanin production in human melanocytes, zebrafish, and human skin samples without causing toxicity, potentially through inhibiting PDE to increase cAMP levels and promote the melanin biosynthesis pathway.

This review examines PAK4 signaling pathways in prostate cancer, Parkinson's disease, and melanogenesis, focusing on the potential role of the PAK4-CREB axis, without reporting new clinical results.

This study found that miRNA-24 downregulates the KLF6 gene, influencing coat color by affecting melanogenesis pathways in Cashmere goats, and that miRNA-24 inhibition increased melanin content in mice.

In this study, adenosine was found to stimulate hair follicle growth in vitro by promoting growth factor expression, β-catenin activation, and downstream signaling pathways.

This study found that sinapic acid promotes the browning of 3T3-L1 adipocytes and may offer therapeutic potential for obesity by influencing mitochondrial biogenesis through the p38 MAPK/CREB signaling pathway.

In this study, topical quercetin was found to stimulate hair follicle growth and promote microvascular regrowth in mice, suggesting its potential for hair regrowth strategies.

This study identified genes potentially involved in hair and cashmere growth in the Laiwu black goat, highlighting specific gene expression differences between hair-growing and hairless skin.

This study observed that deleting PTEN in mouse facial motoneurons enhanced peripheral axon regeneration but also led to physiological changes and potential hyperplasia in older mice.

This study suggests that Houttuynia cordata extract may promote hair growth by stimulating dermal papilla cell proliferation and extending the anagen phase through enhanced energy metabolism and gene expression changes.

This study suggests that in mice, plasmalogens may enhance hair growth by activating TRPC4 channels, which increases calcium influx and subsequently stimulates AMPK in hair follicles.

This study found that the application of polyunsaturated fatty acids, particularly arachidonic acid, promoted hair growth and anagen induction in both human dermal papilla cells and mouse models.

This study found that 17β-estradiol inhibited RANTES production in human keratinocytes by suppressing nuclear factor κB activity, suggesting a potential mechanism for 17β-estradiol's modulation of psoriasis-related inflammation.

This review discusses the role of corticotropin-releasing hormone in human skin, focusing on its regulation, receptors, and functions, and highlights parallels with the hypothalamo-pituitary-adrenal axis; it reports no new research findings.

This study investigated dermal fibroblasts in mouse skin using single-cell RNA sequencing and identified signaling pathways that influence adipogenesis, finding that IL-1-NF-κB promotes, while WNT-β-catenin inhibits, the adipogenic potential of these cells, with implications for wound healing and scar formation.

This study reports that Plantago asiatica L. extract may promote hair growth by enhancing growth factor production and activating specific signaling pathways in hair follicle dermal papilla cells.

In this study, voglibose, commonly used for diabetes management, was found to reduce melanin synthesis and inhibit melanogenic signaling pathways in B16F10 melanoma cells, suggesting it could be repurposed for treating hyperpigmentation disorders with confirmed topical safety in human tests.

This study reported that UVR induced PKCε phosphorylation of Stat3 in transgenic mice, suggesting a role in enhancing sensitivity to UVR-related skin cancer development.

This study demonstrated that α-phellandrene promotes dermal papilla cell proliferation through a cAMP-mediated pathway and upregulates VEGF expression, suggesting its potential use in hair loss prevention.

This study found that arachidonic acid may promote hair growth by enhancing dermal papilla cell function and stimulating the anagen phase in C57BL/6 mice.

This review discusses the features of regulatory T cells and the modulation of Foxp3, emphasizing post-translational modifications' impact on Treg function but reports no new clinical results.

This study suggests that an extract from Malva verticillata seeds could help treat hair loss by modulating the Wnt/β-catenin pathway in cultured human dermal papilla cells.

This study suggests that geranyl acetate may offer protective, anti-inflammatory, and cytoprotective effects against PPD-induced toxicity in keratinocyte cells, indicating its potential as a plant-derived treatment.

This review discusses the metabolic and physiological mechanisms that maintain hematopoietic stem cell function, particularly focusing on oxygen and energy homeostasis, but it reports no new experimental results.

This review synthesizes current evidence on the Warburg effect in anaplastic thyroid carcinoma and discusses potential therapeutic targets, but reports no new clinical results.

This review discusses how dehydroepiandrosterone (DHEA) may exert its biological effects through multiple receptors and reports no new clinical results.

This review discusses melanocytes' role in pigmentation, their clinical significance in conditions like vitiligo and hair graying, and highlights current research on hair follicle regeneration without reporting new clinical results.