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In this study, UVB exposure was found to alter certain chemical properties of the hair shaft, such as keratin components and water content, without significantly affecting its physical morphology.

This article examines the public health risks and benefits of pill organizers and cutters, concluding that healthcare professionals should guide their use to prevent potential medication stability and efficacy issues.

This study concluded that the Wnt signaling pathway does not significantly influence human keratoacanthoma development, but the overexpression of Sox9 suggests alternate signaling involvement.

This case study describes a severe instance of iatrogenic Cushing's syndrome induced by gamma-hydroxybutyric acid, exacerbated by combined use of betamethasone and anabolic steroids, in an HIV-positive patient on cobicistat-containing therapy.

In this study, the researchers observed that inducing and then withdrawing β-catenin expression in a bigenic mouse model caused reversible changes in skin morphology, indicating dependence on β-catenin signaling.

In this study, Wnt-3a was found to play an important role in partially maintaining and expanding epithelial skin stem cells in vitro, suggesting potential for in vitro stem cell culture without feeder cells.

Effective treatments for scalp psoriasis include glucocorticosteroids, Vitamin D3 analogs, and combination therapies like calcipotriol and betamethasone dipropionate.

This study found that in mice, inactivating beta-catenin in the dermal papilla reduces hair follicle progenitor proliferation and disrupts the hair cycle.

This study found that Wnt signaling in the hair follicle is crucial for coordinating the behavior of epithelial and melanocyte stem cells, which drives hair regeneration and melanocyte differentiation in mice.

This article reviews mechanisms by which herbal ingredients may stimulate or inhibit hair growth, and it reports no new clinical findings while suggesting potential for developing hair loss treatments.

This study found that β-catenin stabilization in specific mammary epithelial lineages leads to cellular changes and the formation of hyperplastic lesions, revealing its role in initiating mammary neoplastic development.

This study found that nanoparticles containing minoxidil and betamethasone improved drug delivery to hair follicles, with lipidic nanoparticles significantly enhancing minoxidil and betamethasone penetration compared to control, making them a promising option for alopecia areata treatment with reduced side effects.

New treatments for male hypogonadism are effective and should be personalized.

This review evaluates dihydrotestosterone's role in androgenic alopecia and proposes a model suggesting that chronic scalp tension and inflammation contribute to hair follicle miniaturization, identifying fibrosis, calcification, and tension as treatment targets.

This review discusses the role of TGF-β signaling in stem cell recruitment and tissue regeneration, indicating that abnormalities in TGF-β activation contribute to various major diseases and suggesting avenues for therapeutic intervention.

This forum article in BMC Biology discusses evolving views on the concept of the stem cell niche, highlighting varied mechanisms and the need for better understanding of the niche's roles and functions.

This review explores embryonic epidermal development and discusses key molecular regulators and roles of the sub-epidermal mesenchyme, but reports no new experimental results.

In this study, Cyanidin 3-O-arabinoside was found to protect against DHT-induced dermal papilla cell senescence and mitochondrial dysfunction in androgenetic alopecia, restoring hair growth in mouse models.

This study found that neural stem cell extract enhanced hair growth in mice and cells by stimulating hair follicle niches and activating signaling pathways like TGF-β and BMP.

In this study, the herbal complex of Houttuynia cordata, Perilla frutescens var. acuta, and green tea promoted hair growth in C57BL/6 mice, enhancing regrowth and follicle development compared to controls.

This study found that ethanol extract and an ethyl acetate fraction of Sargassum fusiforme promoted hair regrowth in C57BL/6 mice and stimulated expression of hair growth-related genes in both in vitro and in vivo models.

New treatments for hair loss could involve using stem cells and a process called the Wnt/beta-catenin pathway to stimulate hair growth.

This study identifies specific localization patterns of androgen, estrogen, and progesterone receptors in human skin, which could be crucial for understanding their roles in skin biology and pathology.

This study suggests that the interaction between folliculin and plakophilin-4 (p0071) may play a role in folliculin's tumor suppressor function by regulating RhoA signaling, impacting cell migration and junction formation.

In this study, Hedgehog signaling in dermal papilla fibroblasts was found to accelerate hair growth and induce follicle multiplication in mice via the SCUBE3/TGF-β pathway, with some effects observed in human scalp hair follicles.

Estrogen receptor α controls hair growth cycles and skin thickness in male mice.

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

This review discusses recent advancements in scar reduction techniques, highlighting promising therapeutic targets and the role of Wnt/β-catenin signaling in promoting scarless wound healing, but reports no new clinical results.

In this study, researchers observed that the sebaceous gland niche in mice allows for Wnt-induced hair follicle differentiation, unlike the non-permissive bulge.

This review discusses the role of the CXXC5 protein as a transcription factor and signaling coordinator, noting its involvement in embryonic development, tissue homeostasis, and diseases such as tumorigenesis, but reports no new experimental findings.