Abstract:
OBJECTIVES:Pancreatic carcinoma etiology and molecular pathogenesis is weakly understood. According to the assumption that genetic variation in carcinogen metabolism further modifies the risk of exposure-related cancers, an association of functional polymorphisms in oxidative stress-modifying genes superoxide dismutase 2 (SOD2 [Ala16Val, rs4880]), SOD3 (Arg231Gly, rs1799895), nicotinamide adenine dinucleotide phosphate:quinone oxidoreductase (NQO1 [Pro187Ser, rs1800566], and NQO2 (Phe47Leu, rs1143684) with pancreatic cancer risk was studied. METHODS:Polymorphisms were studied by allelic discrimination. RESULTS:In a hospital-based case-control study on 500 individuals (235 cases and 265 controls) of Czech white origin, SOD2, SOD3, NQO1, and NQO2 polymorphisms showed no significant association with pancreatic cancer risk. Major lifestyle factors such as smoking and alcohol, coffee, or tea consumption did not modify the effect of the studied polymorphisms. CONCLUSIONS:The first European study of the SOD2, SOD3, NQO1, and NQO2 roles in pancreatic cancer etiology did not find significant associations. Despite this observation, other populations with different lifestyle(s) may be at risk and should be further studied.
journal_name
Pancreasjournal_title
Pancreasauthors
Mohelnikova-Duchonova B,Marsakova L,Vrana D,Holcatova I,Ryska M,Smerhovsky Z,Slamova A,Schejbalova M,Soucek Pdoi
10.1097/MPA.0b013e3181f74ad7subject
Has Abstractpub_date
2011-01-01 00:00:00pages
72-8issue
1eissn
0885-3177issn
1536-4828journal_volume
40pub_type
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