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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

A model for p53-induced apoptosis

Article Abstract:

Researchers investigated genetic transcription caused by the p53 gene. There is much ongoing research into the p53 gene due to its inactivation in many human cancers. The researchers studied 7,202 transcripts and found that 14 showed a significant increase in cells with p53 expression compared to those in the control group. These were largely genes involved in oxidation. This finding stimulated further experiments suggesting that p53 causes cell death by inducing transcription in these redox-related genes to form a reactive oxygen species and the oxidative breakdown of mitochondrial components.

Author: Kinzler, Kenneth W., Vogelstein, Bert, Zweier, Jay L., Polyak, Kornelia, Xia, Yong
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1997
Cell death, Oxidation, Physiological, Physiological oxidation

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Life (and death) in a malignant tumour

Article Abstract:

The investigation of the p53 genes provides additional data for understanding tumor evolution. Studies of p53 genes in the past connected cancer genetics with other vital processes. T.G. Graeber and colleagues show that cells without intact p53 are resistant to hypoxia-induced death. Genetic, biochemical, and physiological research on p53 reveals certain properties. Researchers await understanding of the biochemical pathways that link specific genetic alterations to these processes.

Author: Kinzler, Kenneth W., Vogelstein, Bert
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1996
Analysis, Genetic regulation, Genetic research

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Inactivation of hCDC4 can cause chromosomal instability

Article Abstract:

Aneuploidy, an abnormal chromosome number, is recognized as a feature of human cancer. The identification of mutations in hCDC4 or Archipelago in both human colorectal cancers and their precursor lesions are reported.

Author: Lengauer, Christoph, Kinzler, Kenneth W., Vogelstein, Bert, Rago, Carlo, Jallepalli, Prasad V., Rajagopalan, Harith, Velculescu, Victor E.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
United States, Research and Development in the Physical, Engineering, and Life Sciences, Research and Testing Services, Cancer & Cell R&D, Health aspects, Cancer research, Causes of, Cancer, Chromosome abnormalities, Aneuploidy, Oncology, Experimental

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Subjects list: Research, Tumor suppressor genes
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