CD4 and uveitis: Higher frequencies of FoxP3+, CD4+ Tregs were found in intestinal lymphoid tissues (cecal and colonic LPL) in SCFA-treated EAU mice than in the EAU control mice at 1 week post-immunization, prior to the onset of uveitis (NaCl 1w: 59.9 ± 5.6%vs.