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This review discusses the paracrine function of mesenchymal stem cells in tissue regeneration and repair, focusing on secreted bioactive substances and their role under different microenvironments; it reports no new clinical results.

This study demonstrated that keratin derived from human hair can improve axon extension and alleviate motor deficits from sciatic nerve injuries, highlighting its potential as a promising biomaterial for peripheral nerve regeneration.

This review highlights that metabolic syndrome is intricately linked with various skin conditions such as inflammatory skin diseases and tumors through mechanisms involving insulin resistance and chronic inflammation, aiming to guide clinicians on effective treatments and preventive strategies for affected patients.

This review discusses central centrifugal cicatricial alopecia in adolescents, noting varied presentation and highlighting genetic and environmental factors, but reports no new clinical findings.

This review discusses the current understanding of frontal fibrosing alopecia's pathogenesis, highlighting genetic susceptibility, immune response involvement, and possible links to steroid hormones, but reports no new clinical results.

This study found that dexamethasone treatment inhibited the inflammatory response and the induction of ornithine decarboxylase activity in mouse skin after TPA application, although the effect on ODC was weaker during the hyperplastic stage.

In this study, PA-011, a traditional Chinese medicine extract, was shown to improve hair growth in alopecia areata model mice by reducing skin inflammation and altering skin microbiota, indicating its potential therapeutic role for this condition.

This review highlights the potential of exosomes as a novel therapeutic approach for skin diseases and aging, due to their stability, transportability, and ability to carry various bioactive compounds to target cells.

This study found that a single high dose of oral vitamin D reduced UV-induced skin erythema and inflammation in humans by enhancing autophagy, suggesting new clinical avenues for skin repair.

This study suggests that endurance exercise training may alleviate hormonal and inflammatory factors associated with BPH in rats, although it does not improve autophagy regulation.

This article discusses the diagnostic approach to focal alopecia in dogs, focusing on distinguishing between pruritic skin disease and inflammatory or non-inflammatory causes; it presents no new experimental results.

This study indicates that stress in mice recruits specific neuroimmunoendocrine elements, leading to neurogenic skin inflammation that inhibits hair growth and highlights the skin's role in stress response research.

The study found that reducing testosterone in male mice through castration or androgen antagonism significantly accelerated wound healing by decreasing inflammation, suggesting a potential therapeutic target for impaired healing in elderly men.

This study examined recent findings on the role of host-microbiome interactions in acne, highlighting that the skin's microbiome composition differs between acne-affected and healthy individuals and discussing emerging microbiome-based treatments.

This study found that 'smart' peptide hydrogels improved wound healing in a rat model of partial thickness burns, achieving greater wound closure and faster debridement compared to a standard treatment.

Obesity is linked to various skin problems and may increase the risk of skin cancer.

This review discusses the impact of sleep cycles and circadian rhythms on nighttime exacerbation of atopic dermatitis in children and presents potential treatment options for related sleep disturbances, but reports no new clinical results.

This review discusses the chronic nature of acne and its association with various systemic diseases, but reports no new clinical findings, highlighting the need for further study on its nutritional or genetic links.

This review discusses the use of animal models to study alopecia areata and reports no new experimental results, emphasizing the potential for these models to explore the disease's genetics and treatment.

This review suggests that isotretinoin's effects on severe acne and various cancers may result from apoptosis, which might also explain its adverse effects through genetic variability.

This study found that daily consumption of soft drinks significantly increases the risk of moderate-to-severe acne in adolescents, particularly if sugar intake from these drinks exceeds 100 grams per day.

This review examines alopecia, its causes, the impact of micronutrients, and the role of the Mediterranean diet, noting conflicting data and a need for more research on diet's effect on hair loss.

This review discusses the relationship between psoriasis and autoimmunity, focusing on autoimmune co-morbidities, but reports no new research findings.

This manuscript reviews the latest understanding of alopecia areata's pathogenesis, highlighting the roles of genetic, immunological, and environmental factors, with a focus on immune responses involving IFN-γ and cytotoxic CD8+ T-cells as key contributors to hair follicle inflammation and function disruption without follicle destruction.

This review addresses the role of skin-resident adult stem/progenitor cells in skin homeostasis, disease, and cancer development, and reports no new research results.

This review discusses the types, causes, and treatments for skin pigmentation disorders, examining clinically tested options including 25 plants, four marine species, and 17 medications.

This case report describes two men with acne keloidalis nuchae who experienced successful outcomes with excision followed by secondary intention healing, resulting in good cosmetic results and minimal recurrence.

This review discusses rodent models of alopecia areata and suggests they are crucial for understanding the autoimmune mechanisms and potential treatments but reports no new clinical results.

This review discusses genomic and postgenomic alterations in chronic degenerative diseases and potential modulation by dietary and pharmacological agents, reporting no new clinical results.

This study found that mice with a mutation in the Zdhhc13 gene exhibited increased susceptibility to skin cancer, highlighting a potential protective role of palmitoyl acyltransferase in skin carcinogenesis.