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Genetic link found between vitamin D and COPD – June 2010

Association of vitamin d binding protein variants with susceptibility to chronic obstructive pulmonary disease.

Shen LH, Zhang XM, Su DJ, Yao SP, Yu BQ, Wang HW, Lu FZ.
Department of Respiratory Medicine, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.
J Int Med Res. 2010 May-Jun;38(3):1093-8.

Chronic obstructive pulmonary disease (COPD) is characterized by chronic airflow limitation and it is thought that neutrophils play a major role in the disease pathogenesis. Genetic polymorphism of the vitamin-D-binding protein (VDBP) gene is considered one of the candidates for variation in susceptibility to COPD. To evaluate the potential influences of VDBP gene polymorphisms on COPD, a case-control study was conducted in the Han population of north-east China. The VDBP polymorphic site was genotyped in 100 COPD patients and 100 controls. Genotypes were determined by polymerase chain reaction-restriction fragment length polymorphism. A significantly higher proportion of VDBP-1F homozygosity was found in COPD patients, while the frequency of VDBP-2 homozygosity was significantly lower in COPD patients, which seemed to suggest that VDBP-2 homozygocity provided a protective effect. These data suggest that the VDBP gene may be involved in COPD susceptibility in Chinese Han population.

PMID: 20819447

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Genetic link found between vitamin D and COPD – June 2010        

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