In vivo chromosomal instability in ataxia-telangiectasia homozygotes and heterozygotes
โ Scribed by Miriam P. Rosin; H. D. Ochs
- Publisher
- Springer
- Year
- 1986
- Tongue
- English
- Weight
- 761 KB
- Volume
- 74
- Category
- Article
- ISSN
- 0340-6717
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Epidemiological studies have suggested that ataxia-telangiectasia (AT) heterozygotes have a predisposition to cancer, especially breast cancer in women. Now, haplotyping can identify heterozygotes for AT mutation (ATM) in AT families, allowing the risk of cancer associated with ATM heterozygosity st
A coded analysis of X-ray-induced chromatid aberrations in lymphocyte cultures from 45 control individuals and 19 ataxia-telangiectasia (A-T) heterozygotes was performed. The distribution of chromatid breaks induced in the late G2 portion of the cell cycle by 60 cGy of X-rays appeared bimodal in the
## Abstract Ataxiaโtelangiectasia (AT) is a rare autosomal recessive disorder, characterized by progressive neuronal degeneration, immunological deficiency, radioโsensitivity and an increased risk of cancer. Although several studies have confirmed that AT heterozygosis increases the risk of breast