HLA-C and triple-A syndrome: As for predefined biological processes, it was revealed that antigen-presenting cells (APCs) costimulation, cytokine–cytokine receptor interaction (CCR), human leukocyte antigen (HLA), T cell costimulation, checkpoint, and major histocompatibility complex (MHC) class I exhibited enrichment in the AAA group than in the control group (Figure 7A).