IL13RA1 and gastrointestinal disease: Several female-biased genes associated with immune function were also noted, including IRF1, IGIFBP, IL-13Ra1, IFNGR2, and LIFR. The top two diseases associated with the genes were gastrointestinal disease and hepatic system disease (7 molecules each, p-value 7.33E-3-4.52E-2).