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In this study conducted on mouse fetuses, valproic acid was found to reduce Sonic Hedgehog expression in the skin and hair follicles, but the inclusion of vitamin E helped mitigate this effect, supporting its potential role in managing valproic acid-induced changes.

In this study, researchers found that while blocking either glycolysis or glutaminolysis in cancer cells did not prevent tumor growth due to metabolic flexibility, simultaneous inhibition of both pathways hindered carcinoma development, indicating multiple interventions may be necessary for effective metabolic manipulation in cancer treatment.

In this study with mice, simultaneous inactivation of Smad4 and PTEN genes led to rapid development of invasive forestomach squamous cell carcinomas, mirroring human esophageal SCCs.

In this study, the deletion of Smad4 and PTEN genes in mice was associated with rapid and invasive squamous cell carcinoma formation in the forestomach, modeling human esophageal cancer progression.

This study mapped the safety profile of EGFR-TKIs by analyzing FDA adverse event reports, highlighting unexpected reactions like intestinal obstruction and hypokalaemia with gefitinib and erlotinib.

This study found that, in mouse tail epidermis, stem cells rapidly activate and regenerate new progenitors to repair wounds, with mechanisms affecting their proliferation, differentiation, and migration.

This study found that aging in the epidermis disrupts cytokine balance and stem cell function, which may contribute to broader tumor-suppressive mechanisms.

This study found that mice lacking the 1αOHase enzyme, which is responsible for producing a key vitamin D metabolite, showed impaired epidermal differentiation and delayed recovery of skin barrier function after disruption.

This study found that disrupting Adam10 in the epidermis led to severe skin and multi-organ abnormalities, implicating Adam10 as crucial for proper Notch signaling and skin maintenance.

This study found that RXRα/RARγ heterodimers are necessary for retinoic acid-induced keratinocyte proliferation in the skin, while normal epidermal maintenance does not require RAR-mediated signaling.

The authors concluded that the dermal response to epidermal Wnt/β-catenin signaling depends on distinct fibroblast lineages, with each responding to different paracrine signals such as Hedgehog and TGF-β.

This review explores embryonic epidermal development and discusses key molecular regulators and roles of the sub-epidermal mesenchyme, but reports no new experimental results.

This review highlights recent advances in understanding how the extracellular matrix regulates epidermal stem cell fate, emphasizing the importance of the hair follicle stem cell niche, but reports no new empirical findings.

Research on epidermal stem cells has advanced significantly, showing promise for improved clinical therapies.

This study found that JunB, a transcription factor, is crucial for maintaining epidermal-pilosebaceous stem cell homeostasis by regulating progenitor cell behavior and preventing sebaceous gland dysfunction.

A cancer patient died from a severe skin reaction after taking the drug cetuximab.

This study found that locally injected zalutumumab in healthy volunteers induced a papulopustular rash similar to systemic EGFR inhibitors, and that IL-8 inhibition reduced this dermatological side effect.

This study found that inhibiting EGFR signaling in mice can prevent alopecia caused by cyclophosphamide treatment, highlighting its potential role in managing chemotherapy-induced hair loss.

This review discusses how inflammation influences hair follicle stem cell activities like wound healing and follicle cycling and suggests a potential link between inflammation, stem cell activation, and programmed cell death.

This review discusses how vitamin D and calcium signaling are essential for wound healing by activating epidermal and hair follicle stem cells, noting that deficiencies may lead to delayed or chronic wounds.

This review discusses the early phases of melanomagenesis and the factors influencing melanoma cell variability and reports no new clinical results.

This study found that quiescent bulge stem cells, when prevented from contributing to hair follicle and epidermal regeneration, did not affect hair follicle growth or wound healing in the short term.

This study found that suppressing Jagged1 in epidermal stem cells disrupted Notch signaling and resulted in poor-quality wound healing, suggesting a potential therapeutic target for improving wound repair.

HPV 60 may cause cysts and warts on the face, not just hands and feet.

Photodynamic therapy may not work for erythroplasia of Queyrat and could lead to invasive squamous cell carcinoma.

In this study, researchers explored how hair follicle orientation is affected in the rosette fancy mouse and found that a mutation in the PCP gene Fzd6 caused reversed hair orientations in the posterior region, leading to the formation of unique whorls.

This review highlights advances in understanding inflammatory memory in epidermal stem cells, focusing on their capacity to remember prior inflammatory responses and respond more quickly to future stimuli, potentially aiding strategies against skin-related diseases.

In this study, researchers found that CD4 is expressed on murine K5⁺ keratinocytes, and its expression is crucial for maintaining epidermal stem cell balance and wound repair capacity, particularly during aging.

This report discusses two cases where patients continued EGFR inhibitor therapy while receiving topical treatments for SDRIFE, highlighting the importance of dermatologists in managing such cutaneous adverse events without stopping cancer treatment.

This case report highlights the critical role of preoperative histopathology in accurately diagnosing and treating ambiguous cutaneous lesions in the ear, nose, and throat area, emphasizing that reliance solely on clinical features can lead to misdiagnosis.