In contrast, the mRNA expression levels of angiotensin II receptor type 2 (AGTR2) in the ROP+ARNi group (0.29-fold ± 0.17) were significantly lower than in the ROP-Ctrl group (0.90-fold ± 0.42) (P = 0.0412). This evidence concerns the gene AGTR2 and retinopathy of prematurity.