55 myositis (IIM) pts studied Nailfold Capillaries, MSAbs, cytokines & IFN genes. MDA5(+) pts signif more dilated (DIL), giant & abnl morphology caps, w/ microhemorrhages (MH) vs ARS (+) pts. MH & DIL assoc w/ MX1, IFI27, IP-10, RANTES, GROα. Giant caps assoc w/ IFI27, SDF-1α, https://t.co/3WQL8Sw0rq