NCIt definition : Human IL12A wild-type allele is located within 3p12-q13.2 and is approximately 7 kb
in length. This allele, which encodes interleukin-12 alpha chain protein, is involved
in promoting the growth of both T cells and natural killer cells. It also plays a
role in the differentiation of both Th1 and Th2 cells.;
NCIt note : Certain polymorphisms in the IL12A gene may affect the final steps in gastric carcinogenesis
in patients with H. pylori infection.;