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In this study, researchers found that while both beard and scalp dermal papilla cells release similar autocrine growth factors, only beard cells increased production and response with testosterone, suggesting these factors enhance androgen-induced hair growth.

This study identified Activin A and its antagonist follistatin as crucial regulators of hair cell differentiation in mice, suggesting a local gradient of Activin A influences auditory sensory epithelium development.

In this study, Luan et al. showed that epidermal stem cells play a key role in wound healing by coordinating the recruitment of regulatory T cells and neutrophils, which help balance immune tolerance and inflammation.

This study observed that in both mouse and human models of alopecia areata, T cells exhibit a stress response involving heat shock proteins and other regulatory markers, suggesting their potential as targets for therapeutic intervention in this autoimmune skin disease.

This study found that the loss of papillary fibroblasts in the skin due to UV radiation is mainly caused by an uncontrolled inflammatory response, with T cells helping fibroblast survival.

This study observed that nevus melanocytes do not exhibit signs of senescence, suggesting that their growth arrest is due to cell interactions and not directly caused by BRAF activation.

This study observed that β-catenin overexpression in human squamous cell carcinoma cells led to increased CREB expression, which significantly enhanced clonogenic activity, suggesting CREB as a β-catenin-regulated factor promoting cancer characteristics.

This study found that super-enhancers play a crucial role in driving malignant progression in squamous cell carcinoma stem cells through a regulatory network involving ETS2 transcription factors, highlighting the potential link between high ETS2 levels and poor patient outcomes in head and neck cancers.

Alopecia areata is caused by an immune response, and targeting immune cells might help treat it.

In this study, CSLD3 overexpression in Arabidopsis enhanced root and hypocotyl growth by increasing cell elongation, with root growth highly sensitive to ethylene and phosphate starvation conditions.

This review discusses the therapeutic potential of MSC-derived secretomes for treating degenerative and inflammatory diseases, reporting no new clinical results but highlighting their proposed mechanisms and advantages over direct MSC transplantation.

This study found that in the absence of hair follicles, cutaneous wounds in mice showed delayed reepithelialization but eventually achieved normal wound closure after expanding the activated epidermis region.

This study demonstrated that EdnrB signaling promotes melanocyte stem cell proliferation and differentiation, enhancing hair and epidermal melanocyte regeneration, especially under conditions of active Wnt signaling.

This study reports that LL-37 treatment enhances cell proliferation, migration, and secretion of regenerative factors in adipose-derived stem cells, potentially promoting hair growth in vivo.

Hair loss may link to weaker COVID-19 immunity, suggesting possible need for extra vaccine boost.

In this study, Fgf20 was found to trigger movement and morphogenesis in dermal fibroblasts, facilitating dermal condensate formation essential for hair follicle development.

This study found that upper-bulge epidermal stem cells in mouse hair follicles are specialized for nerve interactions, crucial for forming tactile sensory units, and influence touch responses via EGFL6 and αv integrin pathways.

This study found that IL-1α and IL-7 secreted from keratinocytes in a genetically engineered mouse model can stimulate the expansion of γδT-cells, aiding in the proliferation of epidermal stem cells for wound healing.

This overview details the Dermatologic Surgery journal's extensive coverage of dermatologic surgery topics, including cosmetic and reconstructive procedures, but it reports no new research findings.

This study found that in stretch-mediated tissue expansion, fibroblasts adopt an embryonic-like, low-collagen state that enhances epidermal stem cell renewal, supporting coordinated skin expansion crucial for reconstructive surgeries.

This study found that recombinant human ADM2 treatment inhibited cell proliferation and induced apoptosis in human hair follicles, contrasting with the previously documented pro-proliferative and anti-apoptotic functions of ADM2.

This study found that dietary serine levels influence hair follicle stem cells' ability to balance hair regeneration and wound repair, offering insights for potential interventions to accelerate wound healing.

HPV does not cause aggressive cancer in RDEB patients.

This study found that direct interactions between human dermal papilla cells and melanocytes under low oxygen conditions improved cell functions and could be important for hair regeneration efforts.

In this study, a possible case of Wolf’s isotopic response was observed, where a 72-year-old woman developed superficial basal cell carcinoma at a prior herpes zoster site on her scalp, possibly due to altered local immunity from the zoster episode.

This study suggests that particulate matter can induce inflammation in human outer root sheath cells, potentially affecting hair growth, through oxidative stress-dependent MAPK and JAK-STAT signaling pathways.

This study found that physoxia improved hair follicle functions in co-cultures of dermal papilla cells and melanocytes by enhancing their biological activities and promoting hair growth and pigmentation.

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.