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This review summarizes the cell type distribution and functional significance of human keratins, emphasizing their roles in tumor diagnosis and potential clinical applications, and reports no new clinical findings.

This study found that basal cell carcinoma is more prevalent on the cutaneous lip while squamous cell carcinoma is more common on the vermilion lip, with rare recurrences following Mohs micrographic surgery.

This review discusses the role of Sox2 in skin development, hair follicle regeneration, cancer, and wound healing, and reports no new experimental results.

This study concluded that cyproterone acetate alone produced antiandrogenic effects on the female gerbil prostate, while ethinyloestradiol alone stimulated estrogenic activity, and their combination led to prostatic lesions.

This study categorizes the human fetal vaginal epithelium into four areas with distinct transcriptomic profiles, aiding potential advancements in vaginal reconstruction and drug delivery.

This study found that manipulating Wnt signaling pathways in cutaneous wounds can induce skin structures resembling regeneration, suggesting a potential role for Wnt signals in restoring skin architecture during wound healing.

This review discusses the heterogeneity and plasticity of epithelial stem cells in skin homeostasis, wound healing, and tumorigenesis, reporting no new results but emphasizing the need for further exploration of key regulatory mechanisms.

This study reported that a Megsin-Cre transgene enables genetic manipulation primarily in skin, forestomach, and esophagus tissues, offering a new tool for studying development and diseases in these areas.

This review discusses the role of TGM3 in skin and hair follicle biology, human tumor pathology, and genetic abnormalities, and reports no novel results; the authors highlight its potential as a cancer diagnostic biomarker.

This article discusses the interactions between keratinocytes and melanocytes in maintaining epidermal and hair follicle homeostasis, without reporting new experimental results.

The book details skin conditions in older adults, their link to mental health, cancer treatment importance, hair loss remedies, and managing autoimmune and itchy skin.

This study found that weakened anchorage of hair shafts, associated with the abnormal expression of 14-3-3σ, may contribute to alopecia in Er/+ mice.

This study found that skin computed tomography may effectively identify epidermoid cysts by revealing features consistent with histopathology, potentially serving as a non-invasive diagnostic alternative to biopsies.

This review examines the regeneration capabilities of skin, oesophagus, and oral mucosa, highlighting the oral mucosa's unique scarless healing properties and the potential of cell therapy to improve scar reduction in wound healing.

This review discusses the patterns and regulatory mechanisms of keratin expression in various biological conditions and reports no new experimental results.

This study found that keratin K80, structurally similar to hair keratins, is broadly expressed in various epithelial tissues and is involved in intermediate filament formation with multiple type I partners.

This review discusses recent advancements in 3D bioprinting for skin regeneration and describes potential improvements for clinical applications, but it reports no new experimental results.

This study found that retinoic acid induces epidermal transdifferentiation into mucosal epithelium in both chick and mammalian embryonic skin, involving specific gene expressions and pathways.

In this study, researchers found that human fingerprint ridges are formed through a modified hair follicle developmental process and spatial patterns influenced by specific signaling pathways.

In this study, K19-lacZ transgenic mice exhibited epithelial-specific reporter gene expression in tissues such as the pancreas and stomach, suggesting the K19 promoter is a valuable tool for studying epithelial cell biology.

In this study, hyperplastic layers of scabietic sheep skin showed expansive keratin labeling, indicating altered keratin expression compared to healthy skin.

This review discusses unspecific factors involved in the pathogenesis of skin diseases and potential ways cytokeratin changes might alleviate these conditions, but reports no new clinical results.

In this study, researchers linked SARS-CoV-2 infection to telogen effluvium in some COVID-19 patients by observing the accumulation of viral proteins in hair follicle cells, which may trigger stress responses and cell death, suggesting hair follicles as a potential target in COVID-19.

This review discusses the limitations of animal models, particularly mice, in accurately predicting human skin wound healing outcomes and emphasizes understanding species-specific differences in skin characteristics for better translation to clinical settings.

The document concludes that the skin is a complex organ providing protection, sensation, and healing, with challenges in treating conditions like itchiness.

This study described trichilemmal cysts, firm lumps that form from blocked hair follicles, typically found on the scalp but also less commonly on other body parts, affecting less than 10% of the population and possibly inherited as an autosomal dominant trait.

This study found that cutaneous cysts most frequently appeared as epidermal cysts, with unusual locations posing diagnostic challenges that required histopathological analysis for definitive diagnosis.

In this study, researchers found that TCDD exposure accelerated differentiation and altered gene expression in human epidermal cells, indicating the epidermal barrier as a target of TCDD-activated AHR.

This review summarizes major growth factors that promote hair follicle growth, but it reports no new experimental findings.

This review highlights the therapeutic potential of Hibiscus rosa-sinensis, detailing its significant medicinal value for treating various conditions such as wounds, infections, and diabetes, attributed primarily to its bioactive compounds like flavonoids and tannins.