Abstract

Colorectal cancer is the third most commonly diagnosed malignancy in the world. The risk factors include inherited genetic mutations and environmental elements such as a high-fat diet, low-fiber diet and sedentary lifestyle. Cigarette smoking is a serious worldwide health problem and the leading cause of preventable death. Although smoking increases the risk of cardiovascular disease and various cancers such as lung, oral and some gastrointestinal cancers, smoking is currently not recognized as a risk factor of colorectal cancer by either the International Agency for Research on Cancer (IARC) or the US Surgeon General. Accumulating epidemiological studies indicate that cigarette smoking is positively correlated to colorectal adenomatous polyps, and positive associations between cigarette smoking and colorectal cancer risk have been reported. Long-term cigarette smoking increases the risk of colorectal cancer mortality and the likelihood of a mutation occurring in the adenomatous polyposis coli (APC) tumor suppressor gene, which has a "gatekeeper" function in the colonic mucosa. Heavy smoking is associated with an increased risk of obtaining a mutation in BRAF, but not KRAS. Current and long-term smokers are at elevated risk of microsatellite instability high (MSI-H) colorectal cancers and an estimated one in five MSI-H colorectal cancers is attributable to cigarette smoking. Nicotine and its metabolite, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), are two of the most causal elements for smoking-related cancers. Nicotine and NNK have been shown to induce colon cancer growth and even enhance the migration of colon cancer cells, which is a major cause of cancer death. In conclusion, cigarette smoking should be considered a risk factor of colorectal cancer.

Original languageEnglish
Pages (from-to)257-261
Number of pages5
JournalJournal of Experimental and Clinical Medicine(Taiwan)
Volume3
Issue number6
DOIs
Publication statusPublished - Dec 2011

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Colorectal Neoplasms
Epidemiology
Smoking
Microsatellite Instability
Neoplasms
Nicotine
Colonic Neoplasms
Mutation
Cause of Death
Sedentary Lifestyle
International Agencies
Adenomatous Polyps
Adenomatous Polyposis Coli
Gastrointestinal Neoplasms
High Fat Diet
Tumor Suppressor Genes
Epidemiologic Studies
Mucous Membrane
Cardiovascular Diseases
Diet

Keywords

  • 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)
  • Colorectal cancer
  • Nicotine
  • Nicotinic acetylcholine receptor
  • Smoking

ASJC Scopus subject areas

  • Medicine(all)

Cite this

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title = "Cigarette smoking and colorectal cancer: From epidemiology to bench",
abstract = "Colorectal cancer is the third most commonly diagnosed malignancy in the world. The risk factors include inherited genetic mutations and environmental elements such as a high-fat diet, low-fiber diet and sedentary lifestyle. Cigarette smoking is a serious worldwide health problem and the leading cause of preventable death. Although smoking increases the risk of cardiovascular disease and various cancers such as lung, oral and some gastrointestinal cancers, smoking is currently not recognized as a risk factor of colorectal cancer by either the International Agency for Research on Cancer (IARC) or the US Surgeon General. Accumulating epidemiological studies indicate that cigarette smoking is positively correlated to colorectal adenomatous polyps, and positive associations between cigarette smoking and colorectal cancer risk have been reported. Long-term cigarette smoking increases the risk of colorectal cancer mortality and the likelihood of a mutation occurring in the adenomatous polyposis coli (APC) tumor suppressor gene, which has a {"}gatekeeper{"} function in the colonic mucosa. Heavy smoking is associated with an increased risk of obtaining a mutation in BRAF, but not KRAS. Current and long-term smokers are at elevated risk of microsatellite instability high (MSI-H) colorectal cancers and an estimated one in five MSI-H colorectal cancers is attributable to cigarette smoking. Nicotine and its metabolite, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), are two of the most causal elements for smoking-related cancers. Nicotine and NNK have been shown to induce colon cancer growth and even enhance the migration of colon cancer cells, which is a major cause of cancer death. In conclusion, cigarette smoking should be considered a risk factor of colorectal cancer.",
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author = "Wei, {Po Li} and Lin, {Shyr Yi} and Chang, {Yu Jia}",
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T2 - From epidemiology to bench

AU - Wei, Po Li

AU - Lin, Shyr Yi

AU - Chang, Yu Jia

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N2 - Colorectal cancer is the third most commonly diagnosed malignancy in the world. The risk factors include inherited genetic mutations and environmental elements such as a high-fat diet, low-fiber diet and sedentary lifestyle. Cigarette smoking is a serious worldwide health problem and the leading cause of preventable death. Although smoking increases the risk of cardiovascular disease and various cancers such as lung, oral and some gastrointestinal cancers, smoking is currently not recognized as a risk factor of colorectal cancer by either the International Agency for Research on Cancer (IARC) or the US Surgeon General. Accumulating epidemiological studies indicate that cigarette smoking is positively correlated to colorectal adenomatous polyps, and positive associations between cigarette smoking and colorectal cancer risk have been reported. Long-term cigarette smoking increases the risk of colorectal cancer mortality and the likelihood of a mutation occurring in the adenomatous polyposis coli (APC) tumor suppressor gene, which has a "gatekeeper" function in the colonic mucosa. Heavy smoking is associated with an increased risk of obtaining a mutation in BRAF, but not KRAS. Current and long-term smokers are at elevated risk of microsatellite instability high (MSI-H) colorectal cancers and an estimated one in five MSI-H colorectal cancers is attributable to cigarette smoking. Nicotine and its metabolite, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), are two of the most causal elements for smoking-related cancers. Nicotine and NNK have been shown to induce colon cancer growth and even enhance the migration of colon cancer cells, which is a major cause of cancer death. In conclusion, cigarette smoking should be considered a risk factor of colorectal cancer.

AB - Colorectal cancer is the third most commonly diagnosed malignancy in the world. The risk factors include inherited genetic mutations and environmental elements such as a high-fat diet, low-fiber diet and sedentary lifestyle. Cigarette smoking is a serious worldwide health problem and the leading cause of preventable death. Although smoking increases the risk of cardiovascular disease and various cancers such as lung, oral and some gastrointestinal cancers, smoking is currently not recognized as a risk factor of colorectal cancer by either the International Agency for Research on Cancer (IARC) or the US Surgeon General. Accumulating epidemiological studies indicate that cigarette smoking is positively correlated to colorectal adenomatous polyps, and positive associations between cigarette smoking and colorectal cancer risk have been reported. Long-term cigarette smoking increases the risk of colorectal cancer mortality and the likelihood of a mutation occurring in the adenomatous polyposis coli (APC) tumor suppressor gene, which has a "gatekeeper" function in the colonic mucosa. Heavy smoking is associated with an increased risk of obtaining a mutation in BRAF, but not KRAS. Current and long-term smokers are at elevated risk of microsatellite instability high (MSI-H) colorectal cancers and an estimated one in five MSI-H colorectal cancers is attributable to cigarette smoking. Nicotine and its metabolite, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), are two of the most causal elements for smoking-related cancers. Nicotine and NNK have been shown to induce colon cancer growth and even enhance the migration of colon cancer cells, which is a major cause of cancer death. In conclusion, cigarette smoking should be considered a risk factor of colorectal cancer.

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