Diagram showing the mechanisms of action of various neuroprotective agents. MMP: matrix metalloproteinase; NMDAR: NMDA receptor; AMPAR: AMPA receptors; HUK: human urinary kallidinogenase; NF-κB: nuclear factor kappa B; Keap1-Nrf2: Kelch-like ECH-associated protein 1-nuclear factor erythroid 2-related factor 2 pathway; ARE: antioxidant response element; Th1: T helper type 1; NO: nitric oxide; Nrf2: nuclear factor erythroid 2-related factor 2. Created with BioRender.com (https://biorender.com/)

Note. Adapted from “Pharmacological brain cytoprotection in acute ischaemic stroke — renewed hope in the reperfusion era,” by Fisher M, Savitz SI. Nat Rev Neurol. 2022;18:193–202 (https://www.nature.com/articles/s41582-021-00605-6). CC BY.