Genetic Causes of Cancer
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This paper reminds us that even though cancer causes many deaths throughout the world, most causes of this devastating disease are unknown. Current research is now looking at genetic causation, which may lead to cures. The author discusses in detail cancer classifications that have a genetic link: Breast cancer, colorectal, mutations in tumor suppressor genes, childhood carcinomas and many other cancers. The author comments that there appears to be a lack of a genetic link between minority and white populations; therefore, the higher rates of cancer among minorities may be due to familial causes: Environment, occupation or environment.
From the Paper:"A gene mutation in BNC1 has been identified in glioma, a brain cancer; the inactivation of the gene may advance the malignant nature of tumors. Glioma is the leading killer of children with cancer. Brain tumors spread faster then other tumors. BNC1 may also be involved in the development of other tumors. An additional gene has been found that may be involved in multiple forms of cancer. The gene, MMAC1 or PTEN is found along chromosome 10. Two research teams working on separate cancer types found this gene. The brain tumor with involvement of this gene is glioblastoma multiforme, which is responsible for 5,000-6,000 deaths per year. As stated above, this gene is also seen in cases of breast cancer. The mutation was also found in melanoma, kidney and prostate cancer. The non-mutated form of the gene seems to act as a tumor suppressor, and the gene may determine malignancy in tumors as well. A rare genetic disorder called Bloom's syndrome combines chromosomal instability and a high rate of neoplasia. Increased recombination along with mutation may cause the increased rate of neoplasia. A study on twins gives information on genetic links to cancer. Results of this study suggest a genetic link for the following cancers: colon and rectum in males, female breast cancer and in situ cervical cancer, prostate cancer, and total cancer. The only cancer listed without a heritable link was lung cancer in both males and females."
Cite this Cause and Effect Essay:
Genetic Causes of Cancer (2003, March 28) Retrieved May 23, 2022, from https://www.academon.com/cause-and-effect-essay/genetic-causes-of-cancer-25420/
"Genetic Causes of Cancer" 28 March 2003. Web. 23 May. 2022. <https://www.academon.com/cause-and-effect-essay/genetic-causes-of-cancer-25420/>