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This review discusses the bidirectional interactions between human mast cells and CD8 T cells in the skin, particularly in the context of disorders like psoriasis, atopic dermatitis, and vitiligo, and reports no new findings.

In this study, treatment with a 5a-reductase inhibitor increased CD8+ T cell infiltration in benign prostatic hyperplasia tissues, suggesting an impact on inflammatory responses.

This study found that certain T cell-associated genes were upregulated in dogs with Vogt-Koyanagi-Harada syndrome and vitiligo, suggesting a shared immunopathogenesis with humans.

This study reviewed the expression of chemokines in patients with alopecia areata, finding elevated Th1 and Th2 chemokine levels, suggesting a complex immune profile that may require broad immunomodulatory strategies to address the disease's underlying immune dysregulation.

This narrative review explores the strong association between various chronic inflammatory skin diseases and metabolic syndrome, emphasizing shared inflammatory pathways and chemokine involvement, though the precise molecular connections remain partially understood.

This study used bioinformatics to explore molecular differences in testicular and ovarian responses to SARS-CoV-2, identifying genes that could be associated with sex differences in infection outcomes.

In this study, researchers prepared a humanized CXCL12 antibody for alopecia areata treatment, finding it significantly delayed disease onset in mice and reduced immune cell activation, suggesting potential as an immune modulatory therapy.

The document concludes that doctors should recognize congenital triangular alopecia to avoid unnecessary treatments, as it does not respond to steroids like alopecia areata does.

This article reviews the role of microRNAs as epigenetic modulators in dermatology but reports no new clinical findings.

In this review, researchers examined how needle gauge and length impact the viability of human stem cells during injections, emphasizing the balance between minimizing tissue trauma and preserving cell viability to optimize clinical protocols.

This review summarizes the role of G-protein-coupled receptors in wound healing and reports no new clinical results, highlighting their importance in signaling pathways and recent discoveries in their functions.

This review highlights icariin’s potential to regulate macrophages in varying conditions, discussing its effects on macrophage polarization, metabolism, and disease mechanisms, and noting the development of delivery systems to enhance its therapeutic impact.

This study demonstrated that disrupting EGFR signaling in mice leads to immune sensitivity compromising the hair follicle's protective environment, but JAK1/2 inhibition can restore this immune privilege and stimulate hair growth, suggesting a potential therapy for scarring hair loss diseases like cicatricial alopecia.

This review highlights recent insights into how IL-15 influences T cell responses and contributes to immunopathogenesis in various diseases, suggesting its crucial role in TCR-independent activation and potential in optimizing therapeutic strategies.

Lichen Planus is a less common condition affecting skin and mucous membranes, with various types and associated risk factors, challenging to diagnose, significantly impacts life quality, and may have a risk of cancerous changes in oral lesions.

The researchers reported that hair follicle development and commensal microbe colonization promote the accumulation of regulatory T cells in neonatal skin, with the Ccl20-Ccr6 pathway playing a key role in this process.

This review discusses potential mechanisms contributing to higher COVID-19 mortality among men, particularly the roles of smoking, genetic factors, and reproductive hormones, without presenting new clinical findings.

This study utilized a sequence-structure alignment approach to improve the characterization of Class A Rhodopsin GPCR superfamily, including orphan and unclassified receptors, through evolutionary analysis.

This study found that patients with lichen planus were significantly more likely to have dyslipidemia, particularly with higher triglyceride levels.

This study found that hairless mice with homozygous mutations developed significantly more aggressive basal cell carcinomas and a heightened inflammatory response to UVB exposure compared to their haired littermates.

This study explored peripheral blood immune dysregulation in alopecia areata through single-cell analyses, identifying systemic changes linked to disease severity and key signaling roles for monocytes, NK cells, and memory T cells, suggesting potential therapeutic targets.

This study found that γδ T cells play a role in regulating stromal behavior, influencing the composition and vascularity of fibrotic tissues during the foreign body response.

This review discusses current advancements in mesenchymal stem cell-based therapies for skin repair and rejuvenation, focusing on therapeutic strategies, particularly highlighting the potential of neonatal and placenta-derived MSCs, and reports no new clinical results.

This study concluded that the CXCL12–CXCR4 signaling pathway significantly contributes to hair loss in androgenetic alopecia and alopecia areata by promoting inflammation and fibrosis, whereas inhibiting this pathway can restore hair growth and follicle health.

This study provides a framework for understanding different types of alopecias based on immune privilege collapse at specific follicular sites, revealing distinct patterns in immune effector programs and stromal influences depending on the alopecia type.

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.

In this study, researchers found that CD4 T cells from the skin draining lymph nodes of mice with alopecia areata can transfer the disease to recipient mice, highlighting the key role of these cells and their interaction with CD8 T cells in the disease's development.

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.

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.