RNF213 and microtia: Considering the emerging knowledge on the antiviral functions of lipid droplets, recent findings highlight that the Ring finger protein 213 (RNF213), implicated in moyamoya arteriopathy (MA), exhibits antimicrobial activity against RSV, Listeria monocytogenes, herpes simplex virus 1 (HSV-1), and coxsackievirus B3 (CVB3).