A stroke occurs when a blocked artery (ischemic stroke) or a ruptured blood vessel (hemorrhagic stroke) disrupts the blood supply to the brain, causing the death of brain cells when they do not receive essential oxygen and nutrients. Stroke is a leading cause of death and disability worldwide, affecting one in four adults aged 25 and above.

The most common form of stroke is the ischemic stroke, with almost nine out of 10 stroke cases. Once a stroke occurs, a race against time begins. The current standard-of-care, which is a treatment that breaks up the blood clots in the blocked arteries, has to be delivered to the patient within four and a half hours of the first symptoms of stroke appearing.

Recently, researchers at the University of Southern California (USC) Keck School of Medic

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