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This case report describes a patient with systemic lupus erythematosus who developed both alopecia areata and lichen planopilaris despite immunosuppressive treatment, suggesting a shared immunopathogenesis between these disorders.

This study observed that cathepsin L and transglutaminase 3 colocalize in the human hair bulb and nail matrix, suggesting their involvement in terminal differentiation within these epidermal appendages.

This article discusses the colocalization of alopecia areata and lichen planus in pediatric dermatology and does not present new clinical results.

This report describes the co-occurrence of vitiligo and alopecia areata in pediatric cases but provides no new clinical findings.

This case report describes a 58-year-old male patient with alopecia frontal fibrosante in areas also affected by vitiligo, highlighting a possible association with autoimmune disorders.

This article presents a case report of a child with coexisting alopecia areata and vitiligo showing improvement with topical prostaglandin E2 treatment, without reporting new clinical results.

This case report describes the rare coexistence of alopecia areata and lichen planus in a 42-year-old man, with alopecia stabilizing after topical betamethasone treatment.

This study found that trichohyalin is expressed in various normal and pathological epithelia beyond hair follicle cells, where it is uniquely associated with filaggrin, suggesting a specific role in aggregating K6/K16-containing intermediate filaments.

This study found that skin exposure to toluene diisocyanate in mice creates immune-recognition reservoirs in the skin's stratum corneum and hair follicles, potentially leading to sensitization and allergic reactions.

This case report describes a rare instance of lichen planus preceding vitiligo in a 13-year-old boy, suggesting a non-coincidental association between the two conditions.

This study found that specific human hair keratins are differentially expressed in the hair follicle, suggesting a shared pathway of epithelial differentiation between hair cortex and nail plate cells.

Follicular red dots can appear where alopecia areata and vitiligo overlap.

In this study, researchers examined the under-studied mechanisms behind specific dermatological phenomena such as co-localization, Wolf's isotopic phenomenon, Koebner's isomorphic phenomenon, and the recently described Renbök phenomenon, noting that only a few cases have been reported so far.

This study used micro-segmental hair analysis to identify the day of drug intake and suggested differing uptake mechanisms for co-administered drugs based on their properties.

This study examined the expression of fatty acid transporters and binding proteins in mouse sebaceous glands and found that CD36 did not affect the localization of other related molecules.

In this study, autophagy was commonly observed during keratinization in neonate rat hair follicles, suggesting lysosomal proteases and cytoplasmic enzymes may coordinate in hair follicle cell differentiation.

This study found that Notch-related genes, including Notch1 and Notch2, and their ligands and regulators, have distinct patterns of expression during mouse hair vibrissa follicle development and the adult hair cycle.

This study found that thymosin β4 is highly expressed in multiple human tissues and may play a role in organ function and angiogenesis through co-localization with VEGF.

This case study reports a rare co-occurrence of alopecia areata and vitiligo in a 13-year-old female, suggesting a potential pathogenic link between the two autoimmune skin diseases.

This study suggests that the expression and localization of toll-like receptors and caveolin-1 in lichen planopilaris may influence cicatricial alopecia pathobiology and that downregulating caveolae could offer a novel management strategy.

This study observed that testosterone metabolism and androgen receptor localization differ significantly across body sites, with beard hair follicles showing distinct characteristics compared to occipital scalp hair follicles.

This study found that the mutant hairless rhino bald protein in mice interacts with the vitamin D receptor but cannot repress its transactivation and shows abnormal cellular localization.

In this study, transgenic mice with a truncated latent transforming growth factor-beta-binding protein showed reduced keratinocyte proliferation and alterations in the hair cycle due to mis-localization of transforming growth factor-beta.

This observational study aims to more accurately detect and localize Propionibacterium acnes in acne lesions by combining multiple microbiological visualization techniques, but it does not present new results on their causality to acne.

This study found that dermal papilla cells from beard and axillary hair follicles can produce androgen-dependent factors that stimulate proliferation in adjacent follicular epithelial cells under testosterone influence.

This study found that CD44 and CD49d together enhance signaling pathways in lymphocytes in mice with alopecia areata, influencing their activation and function.

Alopecia areata and vitiligo can coexist, respond well to treatment, and may have a better prognosis together.

This study suggests a potential causal link between frontal fibrosing alopecia and vitiligo, as observed in two cases where the conditions co-occurred on preexisting vitiligo of the forehead.

This study found that cystatin M/E strongly inhibits human cathepsin V and cathepsin L via distinct non-overlapping sites, suggesting an important role in human epidermal differentiation and hair follicle morphogenesis.

This case report describes a 30-year-old woman with vitiligo who developed a rare dermatophyte infection encircling one of her vitiligo patches, possibly due to immunosuppression from her treatment.