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This study identified a new cytokeratin, mK6irs, specifically expressed in the inner root sheath of mouse hair follicles, distinguishing it as a member of the type II cytokeratin family.

In this study, basal cell carcinoma developed in Ptch-deficient mice only after chemical treatment, not skin wounding, suggesting a second unknown event is necessary for tumor formation.

This article in Experimental Dermatology does not include an abstract or any new research findings.

This study suggests that alkaline phosphatase-regulated expression of CCL5 contributes to the trichogenicity of human dermal papilla spheres.

The Fas/FasL pathway may play a role in alopecia areata.

This study found that keratin 6hf, a type II keratin, is expressed in specific regions of mouse and human hair and suggests potential interactions with keratin 17, impacting hair development and associated disorders.

This study found that KRT6A expression increases after epidermal barrier disruption, worsening skin inflammation in disease conditions, and suggests that targeting KRT6A could offer a new treatment approach for inflammatory skin diseases linked to epidermal dysfunction.

This study found that the development of Merkel cell carcinoma from hair follicles in mice can be driven by in vivo reprogramming with ATOH1 and relies on p53 loss for progression.

This study found that Epstein-Barr virus infection upregulated a truncated variant of human basic hair keratin 1 (hHb1-ΔN) in gastric carcinoma cell lines, suggesting a possible link to carcinoma differentiation.

This study found that human hair follicles serve as a crucial reservoir for Langerhans cells, which repopulate the epidermis depleted by ultraviolet B exposure.

The study found that, unlike in actinic keratosis and squamous cell carcinoma, basal cell carcinoma tissues showed higher expression of nidogen1 and Col4 in both basement membranes and surrounding stroma compared to normal skin.

Hedgehog signaling is crucial for hair development, cadherins affect cell adhesion, neutrophils play a role in skin lesions, and BP230 autoantibodies impact skin stability.

Results are not reported in this abstract, which notes that while Janus kinase inhibitors like baricitinib show therapeutic benefits for alopecia areata, the mechanisms and reliable predictors of response remain unclear.

This study found that TGF-β1 expression in follicular tumors correlates with differentiation degree and suggests its potential role alongside p63 in differentiating between sebaceous and follicular tumors.

This study suggests that Artemis, particularly phosphorylated at serine 516, may have roles in hair follicle growth by influencing differentiation, proliferation, apoptosis, and cell cycling.

This study found that OCT4-overexpressing human hair follicle mesenchymal stem cells show promise for artificial hematopoiesis by enhancing self-renewal through cytoskeletal remodeling and the beta-catenin-dependent adherens junction pathway.

Keratin patterns in hair follicles help understand hair growth and potential hair and nail disorders.

In this study, researchers found that hair follicle stem cells activate an immune-modulatory program during wound healing, promoting Treg cell expansion and aiding skin repair, while deleting certain immune components impaired healing and increased inflammation in a mouse model.

This study found that dermal injection of M-CSF stimulated CD11b + myeloid cells can induce alopecia areata in mice by potentially activating B lymphocytes, offering insight into the disease's pathogenesis.

In this study, researchers found that deficiencies in Gsdma1/2/3 significantly inhibited the initiation and progression of cutaneous squamous cell carcinoma (cSCC) in mice, suggesting GSDMA's role in promoting cSCC proliferation and its potential as a therapeutic target.

sCD83 shows promise for treating hair loss by promoting growth and reducing inflammation.

This study demonstrates that SDF-1/CXCL12 and CXCR4 signaling play a crucial role in directing the migration and positioning of melanoblasts in mouse hair follicle formation.

This research describes mouse models to explore Kindlin-1's role in skin disorders, including Kindler syndrome, revealing novel integrin-independent pathways potentially leading to skin tumors.

This study found that FGF21 suppresses inflammation induced by C. acnes in both human skin cells and mouse models, suggesting potential use in acne treatment.

This study reports that bone marrow derived cells can become a source of epithelial cells in tumor development, contributing significantly to skin lesions like papillomas and ulcers in a skin carcinogenesis model.

This article reviews the structure and regulation of the ITGB6 gene and discusses its role in integrin αvβ6 expression, with no new experimental results reported.

This study identified a new keratin, K6irs, as a potential histological marker for the inner root sheath of hair follicles in mice and humans, and as a candidate gene for hereditary hair defects.