The percentage of IL-17-producing cells among CD4(+) T-lymphocytes was two-fold more frequent (1.70% vs. 0.73%), while of T-regulatory cells (CD4+CD25+Foxp3+, T-regs) lower (3.57% vs. 6.56%) in advanced MASLD compared to HCs. The gene discussed is FOXP3; the disease is metabolic dysfunction-associated steatotic liver disease.