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This study found that patients with alopecia areata had significantly lower frequencies of IL-10 producing CD19+CD24hiCD38hi regulatory B cells compared to healthy volunteers, suggesting a potential role for these cells in the autoimmune response seen in the condition.

The study identified increased IL-24 expression in keratinocytes and fibroblasts exposed to particulate matter, contributing to skin aging by promoting conditions similar to age-related changes such as increased MMP1 expression and decreased type I collagen production.

In this study, recombinant type III collagen was found to promote fibroblast proliferation and migration, suggesting potential anti-aging and repairing effects, although it was only effective in significantly inhibiting IL-6, not TNF-α, secretion.

This study found that psoriasis patients on biologic therapy had significantly lower anti-COVID19 IgG antibody levels after vaccination compared to healthy individuals not on biologic treatment.

This research explored the roles of various T cell types in chronic alopecia areata, finding that increased severity of lesions and hair loss may be linked to decreased lesional Foxp3+ Tregs, with a notable role for IL-17 and Th17 lymphocytes in the pathological process.

This article reviews the pathogenesis, complications, and management of lichen planus, especially its persistent oral form, and highlights the need for further prospective studies.

This study found that human embryonic stem cell-derived mesenchymal stem cells promote hair growth and enhance the transition from the telogen phase to the anagen phase in mice, especially under hypoxic conditions.

This study found that skin organoids derived from iPSCs with an HS-associated NCSTN mutation showed defects in hair follicle stem cell differentiation and increased expression of inflammatory proteins related to hidradenitis suppurativa.

This study reported that IL-15 promotes human hair growth and protects hair follicle immune privilege, potentially stabilizing alopecia areata treatment outcomes when selectively stimulating IL-15Rα signaling.

This review discusses the relationship between allergies and alopecia areata, highlighting potential roles for anti-allergy and desensitization therapies, but reports no new clinical results.

This review discusses the roles of various growth factors and cytokines in skin regeneration, highlighting their potential for future therapeutic development, and reports no new experimental findings.

This study suggests that interleukin-15 plays a complex role in alopecia areata, potentially contributing to immune infiltration while also protecting against hair follicle immune privilege collapse and promoting hair growth.

This study found that epidermal growth factor receptor inhibitors used in cancer treatment induce a distinct inflammatory response in hair follicles, marked by immune privilege collapse and upregulation of inflammatory pathways.

This report describes a case of alopecia universalis successfully treated with tofacitinib, though it was associated with increased peripheral blood cytokine levels.

This study suggests that combining finasteride with traditional herbal formulas Yongdamsagan-tang or Paljung-san may not interfere with drug metabolism while potentially enhancing anti-inflammatory effects for treating benign prostatic hyperplasia.

Pink berry extract effectively treats scalp issues from frequent head covering.

This review discusses the potential of ginseng and its metabolites for treating hair loss and reports no new clinical findings.

This study suggests that rather than inhibiting IL-15, selectively stimulating IL-15Ra-mediated signaling could be beneficial for managing alopecia areata and possibly other inflammatory hair loss conditions, as IL-15 promoted hair growth and maintained immune privilege in human hair follicles.

This review outlines the proposed theories behind the development of alopecia areata, emphasizing the autoimmune process involving lost immune privilege in hair follicles, and stresses the need to pinpoint specific pathogenic mechanisms for potential treatments.

This study suggests that IL-1β may play a role in inflammatory signaling pathways in papulopustular rosacea, contributing to its pathogenesis.

This study found that topical olive oil may protect mice skin from damage caused by electromagnetic radiation, particularly when applied before exposure, by mitigating oxidative, inflammatory, and heat shock stress factors.

This study evaluated interleukin-26's antimicrobial activity in Hidradenitis Suppurativa and explored its potential role in chronic skin inflammation.

This study found that in chronic alopecia areata, increased IL-17 expression and CD8+CD49a-Trm cell infiltration in hair follicles were associated with more severe histopathologic gradings, while Foxp3+mTreg infiltration decreased.

This study found that a combination of botanical extracts from Pisum sativum and Salvia hispanica reduced oxidative damage, re-balanced scalp oiliness, and improved scalp hydration and barrier function after pollution exposure.

In this study, IL-1α and IL-7 were found to work together to activate epidermal γδ T-cells, which in turn promote hair follicle stem cell proliferation during mouse wound healing.

This study found that IL-9 influences the behavior of human primary keratinocytes by promoting motility while reducing invasion potential through a novel mechanism independent of matrix-metalloproteinases.

This study found that DC-HIL+ myeloid derived suppressor cells are increased in the blood and skin of patients with cutaneous lupus erythematosus and show immunosuppressive properties.

This article reviews key developments in pediatric dermatology for 2017, including consensus recommendations, novel genetic findings, and treatment insights for conditions like psoriasis and vascular malformations, without providing new clinical trial results.

This study found that IL-1α and IL-7 secreted from keratinocytes in a genetically engineered mouse model can stimulate the expansion of γδT-cells, aiding in the proliferation of epidermal stem cells for wound healing.

This study found that photodynamic therapy achieved permanent removal of nonpigmented hair in mice after multiple sessions, unlike laser treatment, which was not effective for nonpigmented hair.