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This study observed that, in mouse ear epidermal stem cells, a cell-autonomous size control mechanism involving the RB pathway dictates S phase entry timing based on cell size, despite external environmental variations affecting growth rates.

This article presents a case of giant cell arteritis occurring in a patient with de Quervain's thyroiditis but reports no new clinical findings.

This study found that mirex and TPA promote papilloma formation in CD-1 mouse skin through distinct populations of mutant Ha-ras cells, resulting in additive tumor yields.

This study observed that key signaling events controlling hair growth in ferret follicles occur between 0 and 4 days after melatonin implantation, highlighting distinct processes in follicular regeneration and fibre growth.

This study observed that hirsute females displayed increased S-phase hair bulb cells and decreased G0/1-phase cells compared to healthy females, with a strong correlation between S-phase percentages and DHEA-S levels.

The study found that silencing the gene p16INK4a in dermal papilla cells promotes their growth and aggregative behavior, suggesting a potential therapeutic target for androgenetic alopecia.

This study found that the ethanolic extract of Acanthus ebracteatus demonstrated potential as an anti-hair loss treatment by promoting dermal papilla cell proliferation, inhibiting 5α-reductase activity, and reducing inflammation in vitro.

This study found that the herbal extract HX109 promoted hair growth in mice by increasing cell viability and enhancing hair regrowth, with the effects increasing as doses rose.

This article discusses the authors’ response to comments on their study about intradermal botulinum toxin's effect on androgenetic alopecia, reporting no new findings.

In this study, researchers found that DNMT1-mediated methylation of SRD5A2 in urethral epithelial cells from hypospadias-afflicted rats upregulates proteins associated with cell cycle and mitochondrial function, suggesting SRD5A2 as a potential therapeutic target for hypospadias due to its role in modulating cellular functions.

HA-iMSC-EVs can improve skin aging by boosting cell growth and restoring collagen and elastin.

The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.

This study found that mu-crystallin gene expression in mouse skin is highest during the anagen phase of hair development, suggesting its possible role in hair follicle growth.

This study observed that in adult mice, a cell-autonomous size control mechanism involving the RB pathway determines the timing of S phase entry in epidermal stem cells based on their size, while external microenvironment factors influence growth rates but not this intrinsic coupling.

This study found that topical application of 17 alpha-propylmesterolone significantly increased proliferative activity in hair matrix cells in men with androgenetic alopecia.

In this study, EGCG from green tea promoted mink hair follicle growth and cell proliferation at specific concentrations, potentially through activation of Shh and AKT signaling pathways.

This study found that Clitocybin A from Clitocybe aurantiaca may promote hair growth in immortalized rat dermal papilla cells by enhancing cell proliferation and activating Wnt/β-catenin signaling and ERK pathways.

In this study, human umbilical cord mesenchymal stem cell-derived exosomes were found to promote the growth of human hair dermal papilla cells, partly by enhancing AKT-dependent signaling pathways, suggesting a potential role in treating hair loss.

This study found that circadian clock genes are involved in regulating the hair growth cycle, suggesting a connection between daily rhythms and the longer hair follicle cycling process.

This paper reviews the use of tacrolimus for various conditions, noting its effectiveness in treating certain skin disorders but highlighting that some findings remain anecdotal due to limited case numbers.

This review outlines the classification, histopathologic presentation, and pathogenetic concepts of scarring and nonscarring alopecias, reporting no new clinical results and emphasizing the need for clinicopathologic correlation.

This article discusses the role of dermal papilla and dermal sheath cells in the hair cycle and reviews finasteride and minoxidil's mechanisms in promoting hair growth, but presents no new clinical findings.

This study found that mice with a specific loss of DNA methyltransferase 1 showed uneven epidermal thickness, reduced hair regeneration, and progressive alopecia, emphasizing DNA methylation's role in stem cell homeostasis.

This study found that FPR2 knockout mice experienced excessive hair loss and abnormal hair follicle structures, suggesting FPR2's protective role in hair regeneration through stem cell activity regulation.

In this study, β-catenin overexpression in human hair outer root sheath cells increased the expression of Pitx2, which activated the follicular differentiation pathway, suggesting Pitx2's potential role as a modulator in hair growth control.

This study found that Morus alba root extract activates β-catenin in hair follicle dermal papilla cells, promoting the transition to the anagen phase and enhancing hair growth factor secretion.

In this study, PDLLA treatment in middle-aged mice was observed to enhance hair growth by increasing macrophage M2 polarization and hair follicle stem cell proliferation, potentially rejuvenating the skin's microenvironment and offering a novel approach for age-related hair loss.

This study investigated the role of autophagy in human dermal papilla cells and found that inhibiting autophagy accelerates the catagen phase by reducing Wnt/β-catenin signaling. Furthermore, adding ginsenoside Re appears to restore autophagy, suggesting potential benefits for mitigating hair loss linked to autophagy inhibition.

This study found that medullary cell content in mammal hair evolves from an amorphous form to a biphasic phase, with human and anthropoid hair containing both macrofibrils and microfibrils.

In this study, circ-Smad5 was found to inhibit the proliferation and cell cycle progression of JB6 cells by suppressing Wnt/β-catenin/Lef 1 signaling activation, marking the first report of its function.