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Effects of qiliqiangxin (QL) on HIF‐1α post‐translational hydroxylation. (A) QL increased HIF‐1α and decreased PHD3 expression, but have no effect on PHD2 expression in hypoxic cardiac microvascular endothelial cells (CMECs) (n = 4/group). (B) HIF‐1α enhanced PHD3 but not PHD2 expression of CMECs under hypoxia condition (n = 4/group). Data were expressed as means ± SD. *P < .05; **P < .01
