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This study found that control of Demodex mite colonization in mice required skin ILC2s and IL-13, highlighting their role in maintaining HF integrity and limiting mite overgrowth.

In this mini-review, recent insights suggest a possible role of type-2-related immunity in diseases like alopecia areata, vitiligo, and localized scleroderma, though whether this immune response benefits or worsens these conditions remains unclear.

This study found that type 2 immunity, especially involving ILC2 cells, helps maintain skin homeostasis by regulating the proliferation and community stability of hair follicle epithelial cells in the presence of Demodex mites.

In this study, researchers found that canonical Wnt/β-catenin signaling and Wnt-ligand expression are distinctly regulated during wound healing across different cell populations and immunity conditions, particularly under type 2 immunity.

This study found that RANKL signaling enhances CD8+ T cell-mediated anti-viral immunity during herpes simplex virus infection by preventing apoptosis of Langerhans cells, suggesting potential therapeutic applications.

In this study, ritlecitinib treatment for 12 and 24 weeks downregulated immunity-related genes and upregulated hair keratin genes in patients with alopecia areata, correlating with scalp hair regrowth response.

The researchers reported that stress-induced keratins in human skin are expressed at lower levels than those in healthy skin and are co-regulated with genes involved in differentiation, inflammation, and immunity, rather than replacing keratins of normal differentiation or indicating cell proliferation.

This review discusses the regulatory roles of type 2 alarmin cytokines in skin immunity, focusing on their implications in host defense, chronic inflammation, and cancer, but reports no new clinical results.

This study found that hair-type tissues in hedgehogs show higher enrichment of immune-related genes compared to spine-type tissues, suggesting that spines evolved to protect against injuries and infections.

This study identified genes potentially involved in the development and differentiation of skin appendages in Atelerix albiventris, noting significant enrichment of immune-related genes in hair-type tissues.

This study found that type 2 immunity may play a role in the development of alopecia areata in patients with extrinsic atopic dermatitis, indicating different immunological states compared to non-atopic patients.

This review discusses the host genetic factors influencing COVID-19 susceptibility and pathogenesis, highlighting genetic variations that affect viral entry and immune responses, but reports no new experimental results.

This paper describes Grahams Little Piccardi Lassueur Syndrome, a rare type of Lichen Planopilaris that causes different types of alopecia and distinctive skin papules, primarily affecting females aged 40 to 70, and notes the current challenges in treatment options, particularly once scarring occurs.

TEC kinases may help cause inflammation in vitiligo and could be targeted for treatment.

In this research, geography was found to explain more variation in the human skin microbiome than skin type, while host genetics contributed unique microbial structures, highlighting their role in skin microbiome ecology through extensive genomic and metagenomic analyses in a diverse international cohort.

This study found that B cells have dual roles in tumor immunity, with regulatory B cells potentially hindering immune responses against tumors in the melanoma mouse model.

This article discusses the causes and treatment options for lichen planopilaris, a scarring hair loss condition, but reports no new clinical findings.

In this study, researchers observed that purpuric, telangiectatic, lichenoid balanitis was the most common histologic pattern in cases of chronic pseudoerythroplastic balanitis, suggesting a possible link to lichen aureus.

This review discussed the cutaneous manifestations of APECED, highlighting chronic mucocutaneous candidiasis, alopecia areata, and vitiligo, while emphasizing the importance of early detection and monitoring for accurate diagnosis and patient care in various populations.

This research found that reduced expression of SIRT1 in human scalp tissue may contribute to alopecia areata development by inducing immune-inflammatory responses in hair follicle cells, suggesting that SIRT1 plays a regulatory role in hair follicle immunity.

This collection of research news highlights various scientific advancements, including discoveries in anti-cancer compounds, new cell types that boost immunity, and a potential Parkinson's breakthrough in Australia, among others from China, India, Korea, Singapore, and Thailand.

This review discusses the therapeutic potential of Ganoderma lucidum's secondary metabolites, noting their diverse health benefits, such as anticancer and antioxidant effects, without presenting new experimental results.

This review examines the impact of vitamin D signaling in extraskeletal tissues and notes that expected benefits from animal and cell studies have not been consistently replicated in human clinical trials.

This review discusses the benefits of β-sitosterol, a plant compound found in nuts and seeds, which may lower "bad" cholesterol and help prevent heart disease, cancer, and diabetes, but notes the lack of clinical studies on its safety and effectiveness in humans.

Pumpkin seeds may help expel parasites, but findings are retracted.

This study reports that comorbidities and anti-androgen therapy were associated with lower SARS-CoV-2 vaccination rates among patients with androgenetic alopecia, emphasizing the need to promote vaccination within this group.

In this study, researchers observed that dandruff involves altered keratinocyte activity and a low-grade inflammatory response characterized by increased interleukin-17-producing T-cells and CCL17 levels, but without significant changes in immune cell populations or skin barrier lipids.

This background review discusses alopecia areata, highlighting the role of CD8+NKG2D+ T cells in hair follicle pathogenesis, and notes that the exact mechanisms causing hair loss remain unclear.

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

This review discusses the complex role of the immune system in tissue repair and regeneration, highlighting its positive and negative influences but reports no new clinical findings.