Proteomic Profiling of Central Centrifugal Cicatricial Alopecia Reveals Role of Humoral Immune Response Pathway and Metabolic Dysregulation

This study on central centrifugal cicatricial alopecia (CCCA) involved proteomic profiling of 5 Black female patients, revealing 148 differentially expressed proteins in affected scalp areas. Key findings include the upregulation of adaptive immune pathways, particularly involving IgG, and markers of fibrosis, alongside a downregulation of metabolic proteins linked to lipid metabolism. These results suggest a unique role of humoral immune response and metabolic dysregulation in CCCA, distinct from other cicatricial alopecias. Despite the small sample size, the study emphasizes the need for further research into the role of IgG and metabolic pathways in CCCA pathogenesis, identifying these as potential therapeutic targets.