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This review discusses epidermal stem cell diversity, revealing previously unrecognized differences in stem cell populations, but reports no new experimental results; it highlights the need for further exploration of stem cell interactions and quiescence.

This study suggests that intermediate-size hyaluronate fragments may enhance keratinocyte proliferation and improve skin thickness in atrophic conditions through a CD44-dependent mechanism.

This review discusses the conserved molecular mechanisms controlling hair follicle development and cycling and suggests they may also apply to other ectodermal derivatives, like teeth and feathers, but it reports no new results.

This study found that subcutaneous administration of conditioned medium from adipose-derived stem cells promoted hair growth in mice, and hypoxia enhanced this effect by altering growth factor secretion.

This study found that subthermal CRET treatment increased keratinocyte proliferation and modulated cytokine production, affecting the inflammatory response in human keratinocytes through EGFR and ERK1/2/NF-κB pathways.

The researchers reported that SOX4 expression is significantly upregulated in melanoma and its knockdown in cell lines resulted in reduced tumor progression, suggesting potential for targeted therapies.

This study found that activation of the transcription factor Nrf2 in keratinocytes promotes wound healing in mice by expanding hair follicle stem cells, independent of changes in keratinocyte proliferation or migration.

This review discusses recommendations for managing cetuximab-induced rash in metastatic colorectal cancer treatment and highlights the lack of standardized treatment plans based on clinical evidence.

In this study, subcutaneous injections of murine epidermal growth factor in marsupial pouch young inhibited the formation of hair follicles and associated structures, altering normal follicle development.

This study found that bursts of ERK activation in the skin, termed SPREADs, are linked to increased cell division and help synchronize cell cycle progression in living mice.

This study showed that exosomes from hyaluronic acid-primed induced mesenchymal stem cells promote hair growth by enhancing proliferation and migration of hair follicle dermal papilla cells and modulating key growth factors and signaling pathways, potentially counteracting the effects of DHT-induced hair loss.

Different substances affect hair and skin cell growth in various ways.

Different substances affect hair and skin cell growth in various ways, with some promoting and others inhibiting cell proliferation.

This study found that exosomes from hyaluronic acid-primed mesenchymal stem cells may promote hair growth in androgenetic alopecia by improving hair follicle cell function and restoring key signaling pathways disrupted by DHT.

This study reports that the autotaxin–LPA–LPA3 signaling pathway at the embryo-epithelial boundary plays a critical role in decidualization by up-regulating HB-EGF and COX-2 in the uterine epithelium.

This study found that acupuncture and moxibustion therapy increased hair follicle growth and enhanced the expression of several growth factors in hair follicle cycles compared to a control group.

This study found that STAT3 signaling is essential for initiating the hair growth phase but not involved in hair follicle development during the fetal period.

This study reports that blocking the epidermal growth factor receptor in cancer treatments can lead to changes in hair growth and create a "wavy" hair phenotype in some patients.

Overexpressing the epigen gene in mice leads to enlarged sebaceous glands and greasy fur.

This study found that while autonomous Sema3A expression limited keratinocyte migration and delayed wound healing, non-autonomous application of recombinant Sema3A with EGF enhanced wound repair in mice.

This study found that EGFR inhibitors and ligands did not significantly affect the expression of inflammatory biomarkers in cultured sebocytes, except for a notable increase in IL-1 expression with EGF treatment.

This research describes how hair follicles regulate skin immune cells and how disruption in certain signaling pathways can lead to skin dysbiosis and inflammation; it also highlights the role of macrophages in protecting against cellulitis in mice.

This study evaluated the accuracy of the HairCheck device, a cross-section trichometer, and concluded that it effectively measures changes in hair diameter and density for assessing alopecia progression and treatment response.

This study found that certain polymorphisms in EGF and EGFR genes may increase susceptibility to alopecia areata in the Korean population, and these genetic variations could be associated with specific symptoms such as nail involvement and body hair loss.

This study found that endogenous EGF may facilitate the healing of second-degree scald wounds in mice through autocrine, paracrine, and endocrine mechanisms.

In a transgenic mouse model, this study found that overexpression of keratin 16 in skin keratinocytes led to hyperkeratosis and increased EGF receptor signaling, altering skin cell behavior and structure.

Blocking EGFR in mice causes hair loss and skin changes.

This study reported that Sonic hedgehog signaling is crucial for hair follicle development, with its expression being significantly induced in normal embryonic hair germs but inhibited in certain experimental models.

This study observed that epidermal growth factor and fibroblast growth factor have distinct roles in sheep skin, with EGF involved in differentiation and FGF in bulb proliferation and fiber growth.

This study demonstrated that mice lacking skin-specific RXRalpha expression developed hair follicle degeneration and alopecia, indicating the importance of RXRalpha/VDR heterodimers in maintaining hair follicle homeostasis.