Previous studies suggest that IL-17A could activate angiogenesis and/or increasemetastasis.37,38,50 With increasing interest in the use of biological immune activators during cancer treatment or immunosuppressants during chronic disease,51,52 we investigated whether treating H. pylori infected InsGAS mice with anti-IL-17A would impact H. pylori induced disease progression. The gene discussed is IL17A; the disease is cancer.