Abstract:
:Globally, oral cancer is one of the ten common cancers. In some parts of the world, including the Indian subcontinent, oral cancer is a major cancer problem. Tobacco use is the most important risk factor for oral cancer. The most common form of tobacco use, cigarette smoking, demonstrates a very high relative risk--in a recent cohort study (CPS II), even higher than lung cancer. In areas where tobacco is used in a smokeless form, oral cancer incidence is generally high. In the West, especially in the U.S. and Scandinavia, smokeless tobacco use consists of oral use of snuff. In Central, South, and Southeast Asia smokeless tobacco use encompasses nass, naswar, khaini, mawa, mishri, gudakhu, and betel quid. In India tobacco is smoked in many ways; the most common is bidi, others being chutta, including reverse smoking, hooka, and clay pipe. A voluminous body of research data implicating most of these forms of tobacco use emanates from the Indian subcontinent. These studies encompass case and case-series reports, and case-control, cohort, and intervention studies. Collectively, the evidence fulfills the epidemiological criteria of causality: strength, consistency, temporality, and coherence. The biological plausibility is provided by the identification of several carcinogens in tobacco, the most abundant and strongest being tobacco-specific N-nitrosamines such as N-nitrosonornicotine (NNN) and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK). These are formed by N-nitrosation of nicotine, the major alkaloid responsible for addiction to tobacco. The etiological relationship between tobacco use and oral cancer has provided us with a comprehensive model for understanding carcinogenesis.
journal_name
Crit Rev Toxicoljournal_title
Critical reviews in toxicologyauthors
Gupta PC,Murti PR,Bhonsle RBdoi
10.3109/10408449609017930subject
Has Abstractpub_date
1996-01-01 00:00:00pages
183-98issue
2eissn
1040-8444issn
1547-6898journal_volume
26pub_type
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journal_title:Critical reviews in toxicology
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journal_title:Critical reviews in toxicology
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journal_title:Critical reviews in toxicology
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journal_title:Critical reviews in toxicology
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章
doi:10.1080/10408444.2016.1223015
更新日期:2017-03-01 00:00:00
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更新日期:2006-11-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
doi:10.3109/10408444.2014.952400
更新日期:2015-01-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
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更新日期:2017-10-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2020-08-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
doi:10.1080/10408440091159185
更新日期:2000-03-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
doi:10.1080/10408444.2019.1701985
更新日期:2019-09-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
doi:10.3109/10408448509029323
更新日期:1985-01-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章
doi:10.1080/10408444.2018.1518404
更新日期:2018-09-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
doi:10.3109/10408444.2010.541900
更新日期:2011-07-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
doi:10.1080/10408444.2020.1762538
更新日期:2020-05-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
doi:10.3109/10408449509089887
更新日期:1995-01-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
doi:10.3109/10408444.2010.494250
更新日期:2010-11-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
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更新日期:2012-09-01 00:00:00
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journal_title:Critical reviews in toxicology
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doi:10.3109/10408444.2014.1003423
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journal_title:Critical reviews in toxicology
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
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更新日期:1994-01-01 00:00:00
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journal_title:Critical reviews in toxicology
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更新日期:2003-01-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
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更新日期:2013-04-01 00:00:00
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journal_title:Critical reviews in toxicology
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更新日期:2013-01-01 00:00:00
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journal_title:Critical reviews in toxicology
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更新日期:1984-01-01 00:00:00
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journal_title:Critical reviews in toxicology
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更新日期:2012-10-01 00:00:00
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journal_title:Critical reviews in toxicology
pub_type: 杂志文章,评审
doi:10.3109/10408449609037477
更新日期:1996-09-01 00:00:00
abstract::Examination of the eye in experiments designed to test the toxicity of drugs or chemicals is of considerable importance and the investigator must have a clear idea of the spontaneous eye changes he can expect in the test species. We have attempted to review the literature relating to commonly used laboratory animals--...
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pub_type: 杂志文章,评审
doi:10.3109/10408448409023759
更新日期:1984-01-01 00:00:00