VEGFA and pulmonary hypertension: Another study discovers that miR‐126 deficiency upregulates sprouty‐related EVH1 domain‐containing protein 1 (SPRED‐1) to reduce the activation of RAF kinase and mitogen‐activated protein kinase, thereby inhibits the vascular endothelial growth factor pathway, and subsequently aggravates pulmonary hypertension with right ventricular failure.26