Journal
JOURNAL OF PHYSIOLOGY AND BIOCHEMISTRY
Volume 72, Issue 1, Pages 107-120Publisher
SPRINGER
DOI: 10.1007/s13105-016-0465-9
Keywords
Tobacco-specific nitrosamine; NNK; Smoking; Nicotine; Carcinogenesis; Adduct; Neurodegeneration; Diabetes; Tobacco
Categories
Funding
- National Institutes of Health [F32AA024018, AA-11431, AA-12908]
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The link between tobacco abuse and cancer is well-established. However, emerging data indicate that toxins in tobacco smoke cause cellular injury due to enhanced toxic/metabolic effects of metabolites, disruption of intracellular signaling mechanisms, and formation of DNA, protein, and lipid adducts that impair function and promote oxidative stress and inflammation. These effects of smoking, which are largely non-carcinogenic, can be produced by tobacco-specific nitrosamines and their metabolites. These factors could account for the increased rates of neurodegeneration and insulin resistance diseases among smokers. Herein, we review nicotine and tobacco-specific nitrosamine metabolism, mechanisms of adduct formation, DNA damage, mutagenesis, and potential mechanisms of disease.
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