Impact of obesity on LAG-3 and CTLA-4 expression in CD4+ T cells from lymph nodes of sarcoidosis patients.
Obesity is increasingly recognized as a metabolic factor influencing immune regulation in sarcoidosis (SA). This study examined whether obesity alters immune-checkpoint expression on lymph-node-resident T cells in newly diagnosed, treatment-naïve SA patients. Sixty-three individuals underwent EBUS-TBNA with flow-cytome...