Study may help explain how COVID-19 increases stroke risk
A UCLA-led study may help explain how COVID-19 increases the risk for stroke. Scientists made the finding by running fluid spiked with a COVID-19-like protein through a 3D-printed model of the arteries of a patient who had suffered a stroke.
Although COVID-19 was first identified by its severe respiratory symptoms, the virus has caused strokes in young people who had no known risk factors. But little is known about how the virus increases the risk for stroke.
To learn more, UCLA researchers used a 3D-printed silicone model of blood vessels in the brain to mimic the forces generated by blood pushing through an artery that is abnormally narrowed, a condition called intracranial atherosclerosis. They showed that as those forces act on the cells lining the artery, and increase the production of a molecule called angiotensin-converting enzyme 2, or ACE2, which the coronavirus uses to enter cells on the surface of blood vessels.
COVID-19 stroke risk
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A step toward understanding why COVID-19 boosts stroke risk
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IMAGE: A UCLA-led study may help explain how COVID-19 increases the risk for stroke. Scientists made the finding by running fluid spiked with a COVID-19-like protein through a 3D-printed model of. view more
Credit: UCLA Health
A UCLA-led study may help explain how COVID-19 increases the risk for stroke. Scientists made the finding by running fluid spiked with a COVID-19-like protein through a 3D-printed model of the arteries of a patient who had suffered a stroke.
Although COVID-19 was first identified by its severe respiratory symptoms, the virus has caused strokes in young people who had no known risk factors. But little is known about how the virus increases the risk for stroke.
Illusions of Control
Where people feel powerless and threatened, conspiracy theories offer some relief.
On December 4, 2016, a 28-year-old man from North Carolina entered Comet Ping Pong Pizzeria in Washington, D.C. with a loaded AR-15 rifle. He pointed the gun at an employee demanding to know how to get to the basement. The restaurant didn’t have a basement. This didn’t stop the man from firing several shots into the wall while searching for a secret passage. Customers and workers fled in terror. No one was injured and the man was arrested and charged with assault.
The man told police he’d gone to the restaurant to investigate reports of a pedophile sex ring linked to Hillary Clinton that was run out of the pizzeria. The so-called Pizzagate story first appeared in a Facebook post 10 days before the 2016 election. The story spread to Twitter, was promulgated by bots and was picked up by right-wing platforms Breitbart and