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This study found that 5α–reductase activity is higher in infrainfundibular keratinocytes compared to interfollicular epidermal keratinocytes, suggesting a potential role in acne-related follicular changes.

In this study, epidermal stem cells were found to enhance blood vessel formation and support successful one-step transplantation of tissue-engineered skin in a rat model.

This study found that treating reconstructed human epidermis with beta-lipohydroxy salicylic acid increased tight junction remnants in the stratum corneum, potentially affecting skin cohesion and desquamation.

This study found that CD26+ fibroblasts are crucial for effective extracellular matrix production and achieving rapid epidermal and dermal homeostasis in human tissue-engineered skin substitutes transplanted onto rodents.

This study found that a bulge stem cell-enriched population from canine hair follicles successfully formed interfollicular epidermis in vitro within two weeks, suggesting potential for regenerative canine skin therapies.

This study describes a method for labeling and tracking hair follicle stem cells in mouse skin using a Cre/lox recombination system with tamoxifen, providing insights into stem cell behavior and contribution to tissue regeneration.

This review discusses the development of human skin with a focus on desmosomes, noting the challenges of translating animal model findings to humans due to species differences and limited human sample access.

This review summarizes studies on knockout mouse models revealing abnormalities in skin and hair follicle development but reports no new experimental results; the authors highlight the utility of these models for understanding hereditary skin disorders.

This study found that epidermal cell extract from keratinocytes may promote epidermal cell proliferation and migration while inhibiting fibroblast activity, potentially reducing scarring in wound healing.

This study found that Gsdma3 mutations in mice led to thicker skin and longer hair infundibula, possibly by negatively regulating β-catenin expression in the epidermis.

This study found that valproic acid and crocin, alone or together, significantly increased the expression levels of neurotrophic factors in rat-derived epidermal neural crest stem cells, suggesting therapeutic potential for neurological disorders.

This study suggests that Flightless I may inhibit the activation of epidermal stem cells during wound repair by disrupting Wnt/β-catenin signaling, potentially delaying wound reepithelialization.

This study found that epidermal stem cell-specific Jag1 expression levels are crucial for effective wound healing and scar reduction, and porcine acellular dermal matrix treatment enhances this process in mice by boosting Notch/Jagged1 signaling.

This study suggests that PDCD4 regulates keratinocyte proliferation and contact inhibition, playing a role in epidermal homeostasis and wound healing.

This study found that in mice, EGFR activation suppresses mitotic regulators like Rcc2 and Stathmin 1, facilitating the transition to catagen in hair follicles.

The study observed that mRAGE expression is prevalent in keratinocytes of the healthy human epidermis and may regulate inflammation and apoptosis to maintain skin homeostasis rather than responding to aging processes.

This review discusses the therapeutic potential and safety of bioidentical recombinant human epidermal growth factor (rhEGF) for various skin and mucosa conditions and reports no new clinical results.

This study found that Hairless (HR) and putrescine form a negative regulatory network that impacts epidermal homeostasis and hair follicle cycling, linked to the MYC superfamily's regulation of ODC expression.

This study found distinct skin surface changes, including faint mosaic melanoderma and atypical scaliness, on long-standing sun-exposed balding scalps that may be associated with actinic field carcinogenesis.

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 found that triiodothyronine and epidermal growth factor differentially affected craniofacial development in neonatal rats, with various impacts on hair growth direction, incisor eruption, and ear and eyelid development.

In this study, the staining properties of two types of cysts, epidermal and pilar, were found to differ, supporting their origins from the epidermis and the trichilemmal hair follicle layer, respectively.

In this study, seven patients with generalized toxic erythema developed sterile pustules localized to hair follicles or sweat ducts, with most having a history of medication, solvent exposure, or infection.

This study suggests that using sebaceous glands from rat tail skin samples may effectively capture hair follicle stem cells, potentially aiding skin regenerative medicine when available tissue is limited.

This study found that loss of epidermal PPARγ in mice altered the expression of many genes related to skin inflammation, keratinization, and sebaceous gland function, indicating its key role in maintaining skin homeostasis.

This article discusses the common cutaneous side effects associated with EGFR inhibitors, emphasizing the importance of their management due to potential impacts on patients' quality of life and therapy response; no new empirical findings are reported.

This study found that histopathologic features of erythematous papulopustular eruption due to EGFR inhibitors vary with eruption severity and differ between cetuximab and erlotinib treatments.

This article reviews recent research on adult epidermal stem cells, discussing their properties and potential for reprogramming into patient-specific therapies, and emphasizes the need for further development while minimizing cancer risk.