In addition, MYH9 polymorphisms also have been associated with the increased risk of HIV‐associated nephropathy and focal segmental glomerulosclerosis in African‐Americans (Genovese, Tonna, et al., 2010; Kopp et al., 2008; Winkler et al., 2010; Zhou et al., 2011). This evidence concerns the gene MYH9 and kidney disorder.