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This study found that in rheumatoid arthritis patients, inflammatory macrophages activate steroid metabolism to increase glucocorticoid and androgen production, which helps suppress inflammation and attenuate hyperproliferation in synovial fibroblasts, with notable disturbances seen in postmenopausal women due to diminished inactive steroid precursors.

This review discusses various surgical techniques for rejuvenating the aging upper face, focusing on the assessment of individual structures and their relationships, but it reports no new clinical results.

This review discusses the histologic features of nonscarring alopecia and highlights the importance of clinical-pathological correlation for accurate diagnosis, but reports no new clinical results.

This review discusses the role of hair follicle bacterial colonization in immune responses and the pathogenesis of alopecia but reports no new clinical results.

This study found that loss of epidermal PPARγ in mice altered the expression of many genes related to skin inflammation, keratinization, and sebaceous gland function, indicating its key role in maintaining skin homeostasis.

Aged skin heals slower due to more inflammation and disrupted cell communication.

This study used scRNA-Seq to map the transcriptional changes during zebrafish hair cell regeneration, revealing distinct phases including injury response, transient regeneration gene activation, and reactivation of developmental programs.

This case report describes a 25-year-old woman with alopecia areata and nail spooning, which regressed almost completely after treatment with oral corticosteroids.

This study found that short vellus hair and yellow dots are common dermoscopic findings in alopecia areata, with variations indicating disease activity or remission.

This integrative literature review revealed that chronic stress, characterized by elevated cortisol levels, negatively impacts hair follicle integrity and contributes to alopecia by promoting the premature transition from the growth phase to the resting phase of the hair cycle.

This paper reviews existing studies on the role of environmental humidity in skin health, highlighting that low humidity can impair the skin's barrier function and trigger inflammatory responses, though the precise mechanisms remain to be fully explored.

This study found that Melamax®, originally developed as an eco-friendly hair dye, provides significant protection against ultraviolet-induced oxidative and inflammatory damage in keratinocytes by modulating gene expression and signaling pathways, highlighting its dual potential for cosmetic coloration and skin photoprotection.

COVID-19 might cause gray hair to regain color.

This study found that in atrophic acne scars, inflammation infiltrates the pilosebaceous unit over time, affecting resident stem cells and hindering the normal regeneration of the epidermis and adnexal structures, leading to scarring.

This study found that UV radiation-induced fibroblast depletion in the skin is primarily due to a deregulated inflammatory response, with T cells aiding fibroblast survival under stress.

This study suggests that PKCß plays a critical role in modulating the dermal inflammatory microenvironment in response to dietary lipids in mice.

In this study, exposure to m-Aminophenol in human keratinocytes altered the expression of thousands of genes involved in inflammation and stress responses, suggesting potential biomarkers for MAP-induced skin toxicity.

This article discusses three controversial hair growth disorders but reports no new research findings; it explores alopecia areata incognita, pseudopelade of Brocq, and psoriasis-linked alopecia.

This study found that fermented red ginseng marc alleviated skin lesions, reduced inflammation, and demonstrated antioxidant effects in an AD-like mouse model, suggesting potential therapeutic applications for atopic dermatitis.

This review discusses the classification and diagnosis of pregnancy-related skin conditions and reports no new clinical findings.

This article reviews lichen planopilaris, its presentation, and treatment challenges, and emphasizes the need for more research into its pathogenesis and therapy efficacy; it reports no new findings.

This study observed that the ontogenetic transition from scarless repair in early fetal rat wounds to scar-forming repair in late gestation is associated with differential TGF-β ligand and receptor expression patterns.

This review examines dandruff and seborrheic dermatitis, highlighting the role of Malassezia yeasts in inflammation and hyper-proliferation, and reports no new clinical findings.

This study created transgenic mouse models with the LMNA gene mutation common in Hutchinson-Gilford progeria syndrome, revealing skin and teeth abnormalities related to transgene expression levels.

This study found that anti-TNF therapy-induced alopecia exhibits distinct clinical and histopathological features and can mimic psoriatic alopecia and alopecia areata, with some patients improving with topical treatment.

This study found that thalidomide increased peripheral lymphocyte counts and reduced inflammation in lupus erythematosus patients, but was associated with polyneuropathy, suggesting careful use in refractory cases.

This review discusses the interplay between hormonal and immune systems in hair follicles and reports no new results, highlighting the need for further research on their role in skin biology and alopecia areata.

This review discusses the significance of elastic tissue staining in dermatopathology, particularly for diagnosing primary elastic tissue disorders and other skin conditions, but reports no new clinical results.

In this study, researchers investigated the penetration and cellular responses to nanoplastics in human skin models with compromised barriers, finding that nanoplastics can penetrate the skin, accumulate in cells, and trigger inflammatory responses through specific signaling pathways.

This report is the first to associate Cronkhite-Canada syndrome with multiple myeloma, describing regenerative pseudopolyps in a 58-year-old woman rather than true adenomatous polyps.