Significant Jump This Week in Reported Injuries, Deaths After COVID Vaccine
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COVID-19 spike protein damages blood vessels
The “spike” proteins that the coronavirus uses to help it break into cells inflicts other damage as well, according to a new study that shines a spotlight on the many ways COVID-19 attacks organs other than the lungs. The spike proteins themselves cause direct damage to the cells that line the blood vessels, scientists found in test tube experiments using an engineered version of the spike and artery-lining cells obtained from mice. After attaching itself to the ACE2 protein on healthy cells, the spike disrupts signaling from ACE2 to the mitochondria – the cell’s energy-generating structures – causing the mitochondria to become damaged, researchers reported on Friday in Circulation Research. COVID-19 is really a disease of the blood vessels, coauthor Uri Manor of the Salk Institute for Biological Studies in La Jolla, California said in a statement. The new findings could help explain the blood clots associated with COVID-19. They could also explain “why some people have strokes, and why some people have issues in other parts of the body,” Manor said. “The commonality between them is that they all have vascular underpinnings.” (https://bit.ly/3eIhuNF)