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Methods Mol Biol. 2009;512:119-56. doi: 10.1007/978-1-60327-530-9_8.

Induced nitric oxide synthase as a major player in the oncogenic transformation of inflamed tissue.

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  • 1Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.


Nitric oxide (NO) is a free radical that is involved in the inflammatory process and carcinogenesis. There are four nitric oxide synthase enzymes involved in NO production: induced nitric oxide synthase (iNOS), endothelial NO synthase (eNOS), neural NO synthase (nNOS), and mitochondrial NOS. iNOS is an inducible and key enzyme in the inflamed tissue. Recent literatures indicate that NO as well as iNOS and eNOS can modulate cancer-related events including nitro-oxidative stress, apoptosis, cell cycle, angio-genesis, invasion, and metastasis. This chapter focuses on linking NO/iNOS/eNOS to inflammation and carcinogenesis from experimental evidence to potential targets on cancer prevention and treatment.

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