Apoptosis

Apoptosis
Programmed cell death. Apoptosis may be programmed during development. It can also be a cell's response to DNA damage and virus infection.
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Apoptosis
For every cell, there is a time to live and a time to die. There are two ways in which cells die:
They are killed by injurious agents.
They are induced to commit suicide.
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Apoptosis can occur, for instance, when a cell is damaged beyond repair, or infected with a virus. The "decision" for apoptosis can come from the cell itself, from its surrounding tissue or from a cell that is part of the immune system.
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Definition of apoptosis :
Programmed cell death, the body's normal method of disposing of damaged, unwanted, or unneeded cells.
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Apoptosis
In biology, apoptosis (from the Greek words apo = from and ptosis = falling, pronounced ap-a-tow'-sis[1]) is one of the main types of programmed cell death (PCD).
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Chapter 7
Apoptosis and necrosis: different execution of the same death
Pierluigi Nicotera1,Marcel Leist and Elisa Ferrando-May
Faculty of Biology, University of Konstanz, PO Box 5560 X911, D-78434 Konstanz, Germany ...
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Dr. Jennifer Puck, of the National Human Genome Research Institute's Genetics and Molecular Biology Branch, defines apoptosis.
related
terms:
cell ...
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Apoptosis
Cells with damaged DNA that cannot be repaired normally undergo apoptosis, a process in which the cell kills itself. Tumor cells have high levels of a protein (survivin) that inhibits apoptosis.
Lack Differentiation ...
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Apoptosis
: The genetically programmed death of cells at specific times during embryonic morphogenesis and development, metamorphosis, and during cell turnover in adults including the maturation of T and B cells of the immune system.
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apoptosis - also known as programmed cell death (PCD); an active cellular process ("cell suicide") consisting of a stereotyped set of events including nuclear condensation, chromosome degradation, ...
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Apoptosis
Cell death due to a intracellular developmental program or induced by other cells.
A priori
Deduced from first principles; without prior knowledge.
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apoptosis
Programmed cell death brought about by signals that trigger the activation of a cascade of "suicide" proteins in the cells destined to die.
aposematic coloration ...
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apoptosis Genetically determined cell death, "programmed" cell death.
apopyle In sponges, opening of the radial canal into the spongocoel.
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Apoptosis is the normal, programmed death of cells. Normal cells can divide only about fifty times before they die. This is related to their ability to replicate DNA only a limited number of times.
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In practical cases, we have investigated the differential protein expression involved in p53-induced apoptosis of cancer cells systematically using our quantitative mass tagging strategy that will be generally applicable for quantitative proteomics ...
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