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This review discusses the potential autoimmune pathogenesis and various contributing factors of alopecia areata, noting that current treatments remain palliative while emerging therapies offer new hope for extensive cases.

Alopecia areata is caused by an immune response, and targeting immune cells might help treat it.

This study found that the retinoid all-trans retinoic acid induced a catagen-like stage in human scalp hair follicles, suggesting upregulation of TGF-beta2 as a contributing mechanism.

This study found that mutations in the hairless gene in mice disrupt hair follicle integrity during catagen, leading to baldness due to disintegrating epithelial structures and loss of normal dermal papilla.

This review discusses Chrousos syndrome, a rare condition caused by NR 3C1 gene mutations leading to glucocorticoid resistance, and reports no new clinical results; early identification and genetic testing are recommended for diagnosis.

This study reported that genetic changes in trichilemmal carcinoma resemble those in other skin cancers, with TP53 mutations associated with aggressive clinical outcomes.

This review discusses advancements in the genetic understanding of androgenic alopecia and the FDA-approved treatments, including a new laser hair comb, but reports no clinical results.

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 article reviews diagnostic and management strategies for polycystic ovary syndrome in primary care and reports no new clinical results; it also discusses when specialist referral is appropriate.

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 article discusses the importance of oral and maxillofacial surgeons understanding the pathogenesis and treatment of acne vulgaris, but it presents no new research findings.

This article discusses the pathophysiology and treatment of polycystic ovary syndrome and reports no new results, emphasizing the higher risk of metabolic and cardiovascular issues for affected women.

This review discusses the association between emotional stress-related neuropeptides and the pathogenesis of alopecia areata, reporting no new experimental findings.

This article discusses a novel hypothesis on the role of hair follicles in dandruff pathogenesis, focusing on immune response and inflammation due to scalp microbiota changes and sebum by-products, but reports no new clinical results.

This study found that although Stephanofilaria infection worsens buffalo fly lesion severity, other factors like bacterial infection and hypersensitivity to buffalo fly feeding also play significant roles.

ZNF750 and MPZL3 are important in causing seborrheic dermatitis.

This paper reviews recent advancements in understanding hair follicle structure and the role of JAKs in hair growth, though it does not report new experimental findings.

In this study, researchers focused on the "bulge region" of hair follicles, identifying Janus kinases as key players in hair growth signaling, which could inform new therapies for hair restoration.

This review discusses the psychosocial impact and potential endocrine implications of androgenetic alopecia, particularly noting a moderate impairment in quality of life, but it reports no new clinical results.

This review reports that hyperandrogenic conditions in women, which affect skin and overall well-being, lack dedicated treatment guidelines, presenting challenges in standardizing care.

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 review highlights various treatments for androgenetic alopecia that target its underlying pathophysiological mechanisms, reporting enhanced hair growth, especially when combining drugs, which shows improved outcomes over individual drug use alone.

This article hypothesizes that thymoma with aplastic anemia may result from abnormal autoimmune CD8⁺ T lymphocytes produced by the thymoma, potentially leading to other cytotoxic T-cell-mediated autoimmune diseases.

Candida auris uses the immune response to colonize hair follicles.

This literature review provides insights into the multifactorial causes of hair loss, highlighting genetic, hormonal, immune, and environmental factors, and summarizes preventive strategies like balanced nutrition and stress management to promote healthier hair.

This review, drawing on scientific literature, explores alopecia areata's pathogenesis and treatment, noting that while therapies like JAK inhibitors show promise, there remains a significant need for more effective and targeted solutions, and a better understanding of the disease mechanisms.

This review explored the complex mechanisms behind androgenetic alopecia, highlighting genetic influences and factors like increased 5-α reductase and androgen receptors in hair follicles, while identifying microinflammation and oxidative stress as related issues.

This study found that trichilemmal carcinoma shares genetic changes with other skin cancers, suggesting a similar pathogenesis, particularly in those with aggressive clinical courses linked to TP53 mutations.

This study reported genetic mutations in trichilemmal carcinoma similar to those found in other skin cancers, including TP53 mutations associated with aggressive disease.

This study observed that stress, as indicated by hair cortisol concentrations, may trigger onset of hair loss in alopecia areata, although the findings were not statistically significant.