FAM86C1P and Insulin resistance: rs7937515 located in the regions of FAM86C1/FOLR3 was previously discussed in literatures (Gao et al., 2015; Gao, 2017) and positively linked to waist circumference in the meta-analysis based on the Insulin Resistance Atherosclerosis Family Study (IRASFS) (Palmer et al., 2015), which was designed to investigate the genetic and environmental basis of insulin resistance and adiposity.