Association Between Vitamin D Status, Regulatory T Cells, and Disease Severity in Pediatric Systemic Lupus Erythematosus
Objective: Systemic lupus erythematosus (SLE) is characterized by loss of immune tolerance that is often associated with regulatory T (Treg) cell dysfunction. Vitamin D is known to enhance Treg differentiation and expansion. This study aimed to investigate the associations between serum vitamin D and zinc levels, Th17...