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30 maj 2022 · New research has revealed that the immune response of the body and the lymphatic system (part of the immune system) are crucial in the way that the heart repairs itself after a heart attack has caused damage to the heart muscle.
9 cze 2021 · Myocardial infarction, commonly known as a heart attack, deprives cardiac muscle cells of oxygen, causing them to perish. The human heart responds by laying scar tissue over lost muscle.
24 cze 2014 · The study, conducted by assistant professor of cardiology Dr. Reza Ardehali and colleagues, resolves a recent controversy over whether the heart muscle has the power to regenerate itself.
27 cze 2018 · The epicardium, a layer of mesothelial tissue that envelops the heart in all vertebrates, has emerged as a new player in cardiac repair and regeneration. The epicardium is essential for muscle...
Cardiac repair and regeneration. The heart is unable to regenerate heart muscle after a heart attack and lost cardiac muscle is replaced by scar tissue. Scar tissue does not contribute to cardiac contractile force and the remaining viable cardiac muscle is thus subject to a greater hemodynamic burden.
16 lut 2022 · Most muscles in the body have an innate ability to heal themselves. Following an injury, cells divide and fuse with existing muscle fibers to regenerate and repair the damage. Before birth, the human heart is an inferno of rapid cellular division.
14 lip 2023 · Within 90 days after damage, they fully restore their cardiac function. The surviving heart muscle cells are able to divide and produce more cells. This unique feature provides zebrafish hearts with a source of new tissue to replace the lost heart muscle cells.
