Definition
Carcinogenesis is the process by which cancer develops in various tissues in the body.
Characteristics
In most cases, carcinogenesis occurs via a stepwise process that can encompass a major fraction of the lifespan (multistep development). These progressive stages often include hyperplasia, dysplasia, metaplasia, benign tumors, and then, eventually, malignant tumors. Malignant tumors can also undergo further progression to become more invasive and metastatic, autonomous of hormones and growth factors, and resistant to chemotherapy or radiotherapy.
Causes
Known causes of carcinogenesis include various chemicals or mixture of chemicals present in several sources. This includes cigarette smoke; diet; workplace or general environment; ultraviolet and ionizing radiation; specific viruses, bacteria, and parasites; and endogenous factors (oxidative DNA damage, DNA depurination, deamination). According to the International Agency for Research on Cancer (IARC), 69 agents, mixtures,...
References
Kitchin KT (ed) (1999) Carcinogenicity, testing predicting and interpreting chemical effects. Marcel Dekker, New York/Basel
Weinstein IB (2000) Disorders in cell circuitry during multistage carcinogenesis: the role of homeostasis. Carcinogenesis 22:857–864
Weinstein IB, Santella RM, Perera FP (1995a) Molecular biology and molecular epidemiology of cancer. In: Greenwald P, Kramer BS, Weed DL (eds) Cancer prevention and control. Marcell Dekker, New York, pp 83–110
Weinstein IB, Carothers AM, Santella RM et al (1995b) Molecular mechanisms of mutagenesis and multistage carcinogenesis. In: Mendelsohn J, Howley PM, Israel MA, Liotta LA (eds) The molecular basis of cancer. Saunders, WB, Philadelphia, pp 59–85
See Also
(2012) Mutagenic. In: Schwab M (ed) Encyclopedia of cancer, 3rd edn. Springer, Berlin/Heidelberg, p 2412. doi:10.1007/978-3-642-16483-5_3909
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Weinstein, I.B. (2015). Carcinogenesis. In: Schwab, M. (eds) Encyclopedia of Cancer. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27841-9_843-2
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DOI: https://doi.org/10.1007/978-3-642-27841-9_843-2
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