There are different cells in human body. Each of which has a certain role in human being and dead time.
Certain cells will die on the order of seconds to minutes, especially those that require a constant source of oxygen - such as neurons.
Other cells are more immune to depleted oxygen supply, but most vital organs will expire quickly. This article suggest that warm ischemic time be limited to 30 minutes for a liver transplant and 60 minutes for the kidney and pancreas, meaning they should be removed from the body and chilled to prevent cell death and allow successful transplantation. Similarly, the heart and lungs will not last long without blood flow.
Other parts of the body are somewhat more resistant. Structural and connective tissue such as bone, tendons, skin, heart valves and corneas can be harvested successfully within 24 hours of death.
Interestingly, sperm cells show motility for 36 hours after death.
The record for the longest lived cell might be the white blood cells. After death, 5% are still alive after 70 hours.
After three days, significant protein degradation will occur, and the vast majority of cells will no longer be viable. The last living "cells" in your body would probably be commensal bacteria.
Certain cells will die on the order of seconds to minutes, especially those that require a constant source of oxygen - such as neurons.
Other cells are more immune to depleted oxygen supply, but most vital organs will expire quickly. This article suggest that warm ischemic time be limited to 30 minutes for a liver transplant and 60 minutes for the kidney and pancreas, meaning they should be removed from the body and chilled to prevent cell death and allow successful transplantation. Similarly, the heart and lungs will not last long without blood flow.
Other parts of the body are somewhat more resistant. Structural and connective tissue such as bone, tendons, skin, heart valves and corneas can be harvested successfully within 24 hours of death.
Interestingly, sperm cells show motility for 36 hours after death.
The record for the longest lived cell might be the white blood cells. After death, 5% are still alive after 70 hours.
After three days, significant protein degradation will occur, and the vast majority of cells will no longer be viable. The last living "cells" in your body would probably be commensal bacteria.
файл subtopics.txt - 20 topics being discussed in articles on "human cell die"
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Here are 20 topics from the articles which contain words "cell die" in their titles and "human" in abstract. Each topic is presented with 20 words and 20 phrases as it is done in these articles.
As from privious experience not more then 30% of these topics will be useful for you.
Reading these topics will require efforts from you, since this is not a coherent presentation, and each topic is a list of substances, methods, theories, cases, etc. associated with this topic. Try to be patient, in the hope that new hypotheses and thoughts will appear.
Sincerely yours,
Fedor Kovalev & Valery Kugler
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