Role of Detoxifing Enzyme Nicotinamide Adenine Dinucleotide (Phosphate) H: Quinone Oxidoreductase-1 C609t Gene Polymorphism in Bronchogenic Carcinoma

1
Nermine Hossam Zakaria
Nermine Hossam Zakaria
2
Mohamed Moustafa Rezk
Mohamed Moustafa Rezk
3
Ahmed Youssef Shaaban
Ahmed Youssef Shaaban
4
Nermine Hossam Elden Zakaria
Nermine Hossam Elden Zakaria
5
Reham Fadl Moftah1
Reham Fadl Moftah1
6
Shaimaaa Mahmoud Okasha
Shaimaaa Mahmoud Okasha
1 Faculty of Medicine Alexandria University

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Lung cancer is currently one of the most common cancers and a major cause of cancer-related death in the world. Eighty-five percent of lung cancers are non-small cell lung cancers (NSCLCs), and 15% are small cell lung cancers (SCLCs). The most important risk factor for lung cancer is tobacco smoking. Polycyclic aromatic hydrocarbons (PAHs) are abundant in tobacco smoke and constitute a major etiological factor in lung cancer. NAD (P) H: quinone oxidore -ductase (NQO1) is a cytosolic flavoprotein that catalyzes the two-electron reduction of quinoid compounds into less toxic hydroquinones. A single base substitution (C→T) polym -orphism at 609 in the NQO1 gene reduces quinone redu -ctase activity. Published data on the association between NQO1609 C˃T polymorphism and lung cancer risk are conflicting. In this study, we investigated NQO1genotype in relation to lung cancer risk. The cases were patients attending Chest diseases unit in the Alexandria Main University Hospital with bronchogenic carcinoma in different stages. The control group consisted of age-matched male adults from the same socioeconomic class. DNA extraction from EDTA blood samples and genotyping was successfully carried out for 100 cases and 100 controls by PCR-RFLP and PCR-CTPP.

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Nermine Hossam Zakaria. 2014. \u201cRole of Detoxifing Enzyme Nicotinamide Adenine Dinucleotide (Phosphate) H: Quinone Oxidoreductase-1 C609t Gene Polymorphism in Bronchogenic Carcinoma\u201d. Global Journal of Medical Research - K: Interdisciplinary GJMR-K Volume 14 (GJMR Volume 14 Issue K3): .

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Crossref Journal DOI 10.17406/gjmra

Print ISSN 0975-5888

e-ISSN 2249-4618

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August 18, 2014

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Lung cancer is currently one of the most common cancers and a major cause of cancer-related death in the world. Eighty-five percent of lung cancers are non-small cell lung cancers (NSCLCs), and 15% are small cell lung cancers (SCLCs). The most important risk factor for lung cancer is tobacco smoking. Polycyclic aromatic hydrocarbons (PAHs) are abundant in tobacco smoke and constitute a major etiological factor in lung cancer. NAD (P) H: quinone oxidore -ductase (NQO1) is a cytosolic flavoprotein that catalyzes the two-electron reduction of quinoid compounds into less toxic hydroquinones. A single base substitution (C→T) polym -orphism at 609 in the NQO1 gene reduces quinone redu -ctase activity. Published data on the association between NQO1609 C˃T polymorphism and lung cancer risk are conflicting. In this study, we investigated NQO1genotype in relation to lung cancer risk. The cases were patients attending Chest diseases unit in the Alexandria Main University Hospital with bronchogenic carcinoma in different stages. The control group consisted of age-matched male adults from the same socioeconomic class. DNA extraction from EDTA blood samples and genotyping was successfully carried out for 100 cases and 100 controls by PCR-RFLP and PCR-CTPP.

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Role of Detoxifing Enzyme Nicotinamide Adenine Dinucleotide (Phosphate) H: Quinone Oxidoreductase-1 C609t Gene Polymorphism in Bronchogenic Carcinoma

Mohamed Moustafa Rezk
Mohamed Moustafa Rezk
Ahmed Youssef Shaaban
Ahmed Youssef Shaaban
Nermine Hossam Elden Zakaria
Nermine Hossam Elden Zakaria
Reham Fadl Moftah1
Reham Fadl Moftah1
Shaimaaa Mahmoud Okasha
Shaimaaa Mahmoud Okasha

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