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Correspondence |
1University of Colorado Health Sciences Center Denver, Colorado
2National Jewish Medical and Research Center Denver, Colorado
To the Editor-in-Chief:
Apoptosis is a type of cell death that has specific morphological, biochemical, and regulatory characteristics, somehow different from necrosis.1 It was described in our time by the Australian pathologist John Kerr2,3 and given its present name by Kerr et al in 1972.4 It is interesting that this type of cell death was also described by Glucksman in 1951 as present in normal embryological development.5
We found recently that the famous German pathologist and biologist Rudolf Virchow (18211902) described apoptosis in a lecture given in 1858.6 In it, he described two types of cell death, necrobiosis versus necrosis. The former is "always here to deal with a gradual decay and death, a dissolution. . . . Necrobiosis is death brought on by (altered) life, a spontaneous wearing out of living parts, the destruction and annihilation consequent on life, natural as opposed to violent death (mortification). . . . But the idea of necrosis really does not offer any analogy to these processes. . . ."
In summary, we should add to Virchows accomplishments the early suggestion of apoptosis, which he called necrobiosis and which, he made very clear, was different from necrosis.
References
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