The fibrinogen αC region promotes arterial thrombosis in the context of hypofibrinogenemia. - Lee RH; Ferraresso F; Couzens A; Jameson AT; Hanes HE; Casini A; Neerman-Arbez M; Nieswandt B; Kastrup CJ; Bergmeier W; Flick MJ; Hur WS (Blood, 2026)