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Citation
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HERO ID
3079314
Reference Type
Journal Article
Title
Asbestosis and catalase genetic polymorphism
Author(s)
Franko, A; Dolzan, V; Arnerić, N; Dodic-Fikfak, M
Year
2008
Is Peer Reviewed?
1
Journal
Arhiv za Higijenu Rada i Toksikologiju / Archives of Industrial Hygiene and Toxicology
ISSN:
0004-1254
EISSN:
1848-6312
Volume
59
Issue
4
Page Numbers
233-240
Language
English
PMID
19064360
DOI
10.2478/10004-1254-59-2008-1907
Web of Science Id
WOS:000262113900001
Abstract
Catalase (CAT) is part of the enzymatic defense system against reactive oxygen species (ROS), known to be involved in the pathogenesis of asbestosis. This study investigates whether CAT -262 C>T genetic polymorphism influences the risk of asbestosis in workers occupationally exposed to asbestos.The nested case-control study included 262 cases with asbestosis and 265 controls with no asbestos-related disease. Data on cumulative asbestos exposure and smoking were available. A real-time PCR assay was introduced for genotyping CAT -262 C>T promoter polymorphism.A slightly elevated risk of asbestosis was observed in subjects with the CAT -262 TT genotype compared to others (OR=1.36, CI 0.70-2.62). This risk did not change substantially after adjustment by sex, age, and smoking, but the involvement of cumulative asbestos exposure changed the OR to 1.91 (CI 0.93-3.91). These findings indicate that the CAT -262 TT genotype may be slightly associated with an increased risk of asbestosis. No synergistic effect was found between cumulative asbestos exposure and the CAT -262 TT genotype, but cumulative asbestos exposure acted as a confounder. These results are an important contribution to understanding the interactions between genetic and environmental factors that may modify the risk of asbestosis.
Keywords
asbestos exposure; causal relationship; nested case control study; real-time PCR
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OPPT_Asbestos, Part I: Chrysotile_C. Engineering
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OPPT_Asbestos, Part I: Chrysotile_D. Exposure
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OPPT_Asbestos, Part I: Chrysotile_E. Fate
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OPPT_Asbestos, Part I: Chrysotile_F. Human Health
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OPPT_Asbestos, Part I: Chrysotile_Supplemental Search
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