As KDR regulates tumor angiogenesis, migration, and vascular permeability, it is associated with different types of cancers, including coronary heart disease, rheumatoid arthritis (RA) severity, age‐related macular degeneration (AMD), and recurrent miscarriage (Gao et al., 2016; Jinnin et al., 2008; Kaira et al., 2022; Lazzeri et al., 2012; Pădureanu et al., 2017; Paradowska‐Gorycka et al., 2019; Su et al., 2011; Vasconcelos et al., 2019; Wang et al., 2007). Here, KDR is linked to rheumatoid arthritis.