Zeng et al. also suggested that COL6A3 may be involved in kidney injury in diabetic nephropathy (Zeng et al., 2019a) and Zeng et al. proposed that COL6A3 is a potential diagnostic marker for diabetic nephropathy (Zeng et al., 2019b; Gui et al., 2023). The gene discussed is COL6A3; the disease is diabetic kidney disease.