ELOVL6 and metabolic disease: The elovl6 is mainly expressed in lipogenic tissues and is closely associated with metabolic diseases (like atherogenesis, insulin resistance and hepatic inflammation) and energy balance (Matsuzaka et al., 2007; Matsuzaka and Shimano, 2009; Takashi et al., 2012; Motoko et al., 2015; Tan et al., 2015; Zhao et al., 2017; Nakamura et al., 2018; Su et al., 2018).