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This review discusses how recent studies use models and experiments to understand immune system signaling, but it reports no new clinical findings; the authors suggest strategies for improving these models.

This article reviews the genetic and potential environmental factors in alopecia areata's pathogenesis and suggests a polygenic model but reports no new clinical findings.

This review discusses methods for generating induced pluripotent stem cells and highlights their recent applications in studying and treating COVID-19, but it reports no new experimental results.

This study reports that the transgenic expression of Dsg1 in mice rescued the severe B6-Dsg3−/− phenotype and created a syngeneic mouse model of pemphigus vulgaris, which may aid in understanding autoimmunity mechanisms.

This study reviewed the physiological and psychological impacts of acne vulgaris, highlighting its complex interactions with endocrine issues, sebum production, and immune response, while suggesting that a multidisciplinary approach can inform future treatments and improve quality of life for those affected.

In this study, researchers using a mouse model found that the hairlessness in nude mice is likely due to a shared defect in the thymus and skin, not thymic dysgenesis alone.

This study outlines the features and diagnosis of Vogt-Koyanagi-Harada disease, highlighting its association with specific genes, its prevalence among pigmented races, and treatment with systemic steroids and immunosuppressants.

This study attempts to classify histomorphologic reactions to drugs to aid in diagnosing drug eruptions, which are common in hospitalized patients but lack specific diagnostic features.

The document concludes that hair analysis is not good for assessing nutrition but can detect long-term heavy metal exposure.

This review found that mesenchymal stem cells and their derived exosomes are a potentially safe and well-tolerated treatment for lung healing in patients with COVID-19.

This review discusses the various types of stem cells, including their potential applications in therapy, and reports the challenges associated with safe stem cell treatment, with no new clinical results presented.

The skin protects the body, regulates temperature, senses touch, and makes vitamin D.

Graft rejection in a hand transplant may trigger hair loss due to autoimmune responses.

This review discusses recent advances in the treatment of alopecia areata, highlighting new potential therapies like JAK inhibitors and PRP, and reports no new clinical results.

2011 dermatological research found new skin aging markers, hair loss causes, skin defense mechanisms, and potential for new treatments.

This protocol details a method for inducing skin cancer in mice through chemical carcinogenesis, which studies cutaneous malignancies but does not report new findings.

In this study, researchers classified melanomas by filaggrin expression levels and found that in filaggrin^High melanomas, there are significant changes in FGFR signaling and impaired GNA14 and Th1 signatures, linked to genetic and immune alterations associated with pruritus.

This study reviews current treatments for alopecia areata, highlighting that despite various options like corticosteroids and immunosuppressives, their limited efficacy and potential side effects are challenges, while targeting specific cytokines has shown promise except with TNF inhibitors, which may worsen the condition.

This case study highlights the unique occurrence of Papillon-Lefévre syndrome in two siblings from a consanguineous family, emphasizing the potential role of genetic factors in the disease's development.

Men have worse COVID-19 outcomes than women due to genetic and hormonal differences.

This case report describes a 17-month-old girl who experienced sudden hair whitening during septic shock, suggesting systemic stress may trigger canities subita in young children and highlighting the need to distinguish it from congenital pigment dilution syndromes.

In this case study, a 17-month-old girl experienced sudden hair depigmentation during septic shock hospitalization, suggesting systemic stress as a potential trigger for pediatric canities subita associated with diffuse alopecia areata.

The document concludes that various skin conditions have specific characteristics and treatments, and highlights the importance of vitamin D in managing these dermatological issues.

The document concludes that managing skin conditions during pregnancy is important and requires specialized care.

This narrative review found a strong association between alopecia areata and autoimmune thyroid diseases, suggesting routine thyroid function and autoantibody screening could be beneficial for certain patients with extensive, recurrent, or early-onset alopecia areata.

This review discusses a "stochastic multi-hit model" to explain the onset, progression, and recurrence of vitiligo and other autoimmune skin diseases, emphasizing genetic and environmental influences, immune cell interactions, and unexplored mechanistic gaps.

This study found that specific immune cell phenotypes, particularly CD25 on CD4 Treg cells, were causally linked to androgenic alopecia, suggesting potential targets for immune-based therapies.

In this narrative review, dysbiosis was found to potentially influence androgen metabolism and immune response, suggesting that gut microbiota balance may play a role in the prevention and treatment of androgenetic and areata alopecia.

In this case study, a 24-year-old female with Parry-Romberg syndrome showed significant craniofacial asymmetry, delayed dental development, and other symptoms without neurological deficits; orthodontic treatment is used to improve occlusion and facial balance.

In this case report, researchers describe a rare instance of bullous lupus presenting with severe esophageal involvement in a 42-year-old woman, highlighting the significant diagnostic and therapeutic challenges encountered in such cases despite successful treatment with immunosuppressive therapy.