Association between genetic polymorphisms in methylentetrahydrofolate reductase and risk of lung cancer / 中国医学科学院学报
Acta Academiae Medicinae Sinicae
;
(6): 700-703, 2005.
Article
Dans Chinois
| WPRIM
| ID: wpr-318833
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the association between methylentetrahydrofolate reductase (MTHFR) polymorphisms and risk of lung cancer.</p><p><b>METHODS</b>Totally 505 cases with lung cancer and 500 frequency-matched controls were genotyped for the MTHFR C677T and A1298C polymorphisms by polymerase chain reaction-restriction fragment length polymorphism methods. The odds ratios (OR) and 95% confidence intervals (CI) were calculated using unconditional logistic regression model. Haplotype frequency was estimated using EH software.</p><p><b>RESULTS</b>The frequency of the MTHFR C677T allele in cases was significantly higher than that in controls (53.5% vs 44.9%, P < 0.001). Compared with the 677CC genotype, the 677CT and 677TT genotypes were associated with increased risk of lung cancer, with the OR being 1.43 (95% CI, 1.04-1.95) and 2.40 (95% CI, 1.61-3.59), respectively. In addition, a significant difference in the distribution of haplotype frequencies between cases and controls was observed.</p><p><b>CONCLUSION</b>Functional polymorphism in MTHFR is associated with increased risk of lung cancer in Chinese population.</p>
Texte intégral:
Disponible
Indice:
WPRIM (Pacifique occidental)
Sujet Principal:
Polymorphisme génétique
/
Études cas-témoins
/
Risque
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Prédisposition génétique à une maladie
/
Methylenetetrahydrofolate reductase (NADPH2)
/
Fréquence d'allèle
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Génétique
/
Génotype
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Tumeurs du poumon
Type d'étude:
Etude d'étiologie
/
Étude observationnelle
/
Facteurs de risque
Limites du sujet:
Adulte
/
Adulte très âgé
/
Femelle
/
Humains
/
Mâle
langue:
Chinois
Texte intégral:
Acta Academiae Medicinae Sinicae
Année:
2005
Type:
Article
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