“Analysis of plasma cytokine concentration changes determined that … the antitumor agent (1:4 mol:mol) calcium pterin (… IL-10 , decreased plasma IL-6, and decreased plasma IFN-gamma concentrations in nude mice with MDA-… xenograph tumors [Moheno, P., Pfleiderer, W., Dipasquale, A.G., Rheingold, A.L., Fuchs, D., 2008.”