MIF and inflammatory bowel disease: In this context, the influence of MIF polymorphisms on IBDs has previously been studied in other meta-analyses, including four published studies focused on Asian and European cohorts, and the results showed a clear association between the MIF -173 GC SNP and IBD (Hao et al., 2013; Shen et al., 2013; Zhang et al., 2013; Yang et al., 2016).