Environmental factors in causing human cancers: Emphasis on tumorigenesis

Umesh Tanaji Sankpal, Hima Pius, Moeez Khan, Mohammed I. Shukoor, Pius Maliakal, Chris M. Lee, Maen Abdelrahim, Sarah F. Connelly, Riyaz Mahammad Basha

Research output: Contribution to journalReview article

37 Citations (Scopus)

Abstract

The environment and dietary factors play an essential role in the etiology of cancer. Environmental component is implicated in ~80 % of all cancers; however, the causes for certain cancers are still unknown. The potential players associated with various cancers include chemicals, heavy metals, diet, radiation, and smoking. Lifestyle habits such as smoking and alcohol consumption, exposure to certain chemicals (e.g., polycyclic aromatic hydrocarbons, organochlorines), metals and pesticides also pose risk in causing human cancers. Several studies indicated a strong association of lung cancer with the exposure to tobacco products and asbestos. The contribution of excessive sunlight, radiation, occupational exposure (e.g., painting, coal, and certain metals) is also well established in cancer. Smoking, excessive alcohol intake, consumption of an unhealthy diet, and lack of physical activity can act as risk factors for cancer and also impact the prognosis. Even though the environmental disposition is linked to cancer, the level and duration of carcinogen-exposure and associated cellular and biochemical aspects determine the actual risk. Modulations in metabolism and DNA adduct formation are considered central mechanisms in environmental carcinogenesis. This review describes the major environmental contributors in causing cancer with an emphasis on molecular aspects associated with environmental disposition in carcinogenesis.

Original languageEnglish
Pages (from-to)1265-1274
Number of pages10
JournalTumor Biology
Volume33
Issue number5
DOIs
StatePublished - 1 Oct 2012

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Carcinogenesis
Neoplasms
Smoking
Alcohol Drinking
Metals
Diet
Paintings
DNA Adducts
Coal
Sunlight
Asbestos
Polycyclic Aromatic Hydrocarbons
Occupational Exposure
Heavy Metals
Pesticides
Tobacco Products
Carcinogens
Habits
Life Style
Lung Neoplasms

Keywords

  • Carcinogenesis
  • Environmental factors
  • Nicotine
  • Polycyclic aromatic hydrocarbons

Cite this

Sankpal, Umesh Tanaji ; Pius, Hima ; Khan, Moeez ; Shukoor, Mohammed I. ; Maliakal, Pius ; Lee, Chris M. ; Abdelrahim, Maen ; Connelly, Sarah F. ; Basha, Riyaz Mahammad. / Environmental factors in causing human cancers : Emphasis on tumorigenesis. In: Tumor Biology. 2012 ; Vol. 33, No. 5. pp. 1265-1274.
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Sankpal, UT, Pius, H, Khan, M, Shukoor, MI, Maliakal, P, Lee, CM, Abdelrahim, M, Connelly, SF & Basha, RM 2012, 'Environmental factors in causing human cancers: Emphasis on tumorigenesis', Tumor Biology, vol. 33, no. 5, pp. 1265-1274. https://doi.org/10.1007/s13277-012-0413-4

Environmental factors in causing human cancers : Emphasis on tumorigenesis. / Sankpal, Umesh Tanaji; Pius, Hima; Khan, Moeez; Shukoor, Mohammed I.; Maliakal, Pius; Lee, Chris M.; Abdelrahim, Maen; Connelly, Sarah F.; Basha, Riyaz Mahammad.

In: Tumor Biology, Vol. 33, No. 5, 01.10.2012, p. 1265-1274.

Research output: Contribution to journalReview article

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