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This review summarizes current evidence on how beta-human papillomavirus and Merkel cell polyomavirus may contribute to the development of nonmelanoma and Merkel cell skin carcinomas, respectively, but it reports no new clinical findings.

This study suggests that an immune response to trichohyalin and keratin 16 may contribute to the pathogenesis of alopecia areata.

Chicken feather gene mutation helps understand human hair disorders.

This review concludes that while many epidemiological studies suggest high alcohol intake is associated with an increased risk of prostate cancer, the evidence may be affected by confounding factors such as diet and lifestyle.

In this perspective, recent advances in regenerative medicine, including bioartificial substitutes and engineered in vitro platforms, are reviewed for their potential to restore human hair follicles, highlighting new technologies like 3D printing, hair-on-a-chip models, and stem cell-derived organoids.

This study observed that pantethine, a vitamin B5 precursor, attenuates tumor growth in immunocompetent mice by enhancing antitumor immunity, but its effect is limited by immune cell exhaustion over time.

This study found that the PP2A-B55α regulatory subunit is crucial for ectodermal development in mice, with knockout embryos displaying severe neural and epidermal defects and failing to survive to birth.

This review noted that alopecia areata is an autoimmune disease impacting hair follicles and offered insights into its complex pathogenesis involving immune responses, while highlighting ongoing research into new treatments such as Janus kinase inhibitors and other immunomodulatory drugs.

This study found that conditional knockout of N-WASP in keratinocytes of mice led to skin barrier defects, increased immune cell infiltration, and hyperproliferation of keratinocytes, indicating its crucial role in skin homeostasis.

This study found that immune cells, including T cells and macrophages, significantly influence stem cell behavior and tissue regeneration by secreting cytokines and inflammatory factors in mice.

This research suggests that innate lymphoid cells type 1 (ILC1) may contribute to the development of alopecia areata, alongside CD8+ T cells, by disrupting hair follicle immune privilege and promoting features of the disease.

In this study, CD34-positive progenitor cells in irradiated salivary glands were observed to potentially aid in blood vessel formation and remodeling, suggesting their role in tissue healing after radiotherapy.

This study found that topical application of metformin significantly enhanced skin regeneration in mechanically stretched skin in rats, likely by boosting the proliferation of skin-derived stem cells.

This review discusses the complex mechanisms regulating skin immunity to balance host defense with inflammation, but reports no new findings.

This review discusses the potential mechanisms and evidence supporting low-level laser therapy for stimulating hair growth in men and women, while noting its safety and effectiveness but needing further study on specific parameters.

This review discusses the potential of JAK inhibitors as a promising treatment strategy for alopecia areata, highlighting their mechanism and recent FDA approval based on clinical trial efficacy.

This study identified a large deletion in the desmoglein 4 gene as the genetic basis of the Iffa Credo "hairless" rat's skin phenotype, linking it to lanceolate hair mutations.

This study found that dedifferentiated corneal epithelial cells can revert to a stem-cell-like state, aiding tissue homeostasis and repair, with this plasticity limited to the epithelial lineage and enhanced by niche-derived cytokines.

This review discusses the role of immune cells in the pathogenesis of alopecia areata and highlights emerging immunomodulatory strategies and novel therapeutic targets aimed at offering more effective and durable treatments for this autoimmune hair loss disorder.

This paper reviews the development and implementation of CAR-T cell therapy as a significant advancement in treating pediatric hematological malignancies, particularly for children with relapsed or chemotherapy-resistant acute lymphoblastic leukemia, offering renewed remission prospects where conventional methods are ineffective.

This study found that the circadian clock regulates the activation state of murine epidermal stem cells, affecting tissue homeostasis and susceptibility to tumorigenesis when disrupted.

This study observed that expanding regulatory T cells in the skin of mice with alopecia areata did not reverse the condition, indicating that additional immunotherapy may be necessary.

This study found that lineage-restricted loss of p63 in murine thymic epithelial cells resulted in severe thymic hypoplasia and absence of hair follicles, indicating p63's critical role in thymic and hair follicle development.

This review discusses the heterogeneity of Tregs in normal and tumor environments, emphasizing the complexity of targeting tumor-resident Tregs while maintaining systemic immune tolerance, but reports no new findings.

This article reviews the clinical presentation and histopathologic features of alopecia areata and proposes a hypothesis for its development, but it reports no new clinical results.

This study found that dermal Shh signaling regulates specific dermal papilla signatures essential for maintaining hair follicle development, suggesting that the Shh-Noggin signaling loop is crucial for hair morphogenesis.

This review provides a comprehensive guide to serum-free human hair follicle organ culture methods, highlighting research opportunities, standardization efforts, and potential applications without reporting new empirical findings.

This review examines the roles of macrophages and Langerhans cells in skin homeostasis and suggests that understanding these functions can aid in developing therapies for skin and hair regeneration, but it reports no new research findings.

This study found that impaired autophagy plays a role in sonic hedgehog pathway-induced endometrial fibrosis, suggesting it as a potential target for treating intrauterine adhesion.

This review discusses dermal white adipose tissue's roles in skin immunity, highlighting its antimicrobial function and interactions with other immune cells, but reports no new clinical results.