Chang et al., Clin Immunol 1999
:
We found that glutamine at an optimal concentration ( 0.6 mM ) significantly enhanced PHA stimulated lymphocyte proliferation as well as Th1 [interferon-gamma ( IFN-gamma ) and interleukin-2 (IL-2) ] and Th2 cytokine ( IL-4 and IL-10 ) production
Coëffier et al., Clin Nutr 2003
(Inflammatory Bowel Diseases) :
IL-4 production was not affected by glutamine