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Sex-dependent association of phosphodiesterase 4D gene polymorphisms with ischemic stroke in Henan Han population.
MedLine Citation:
PMID:  22882844     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: Recent evidence has implicated the gene for phosphodiesterase 4D (PDE4D) as susceptibility gene for ischemic stroke (IS) in Icelandic population. However, there are few reports on the associations between PDE4D gene polymorphisms and IS in Chinese individuals. The present study aimed to investigate the possible association of genetic polymorphisms in PDE4D gene with IS in Henan Han population.
METHODS: A total of 400 patients with IS and 400 matched controls were examined using a case-control design. Two single nucleotide polymorphism (SNPs) (rs918592 and rs2910829) in PDE4D gene were genotyped by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. Odds ratios (OR) and 95% confidence intervals (95%CI) were calculated to test the association between the genetic factors and IS. Genetic parameter and association studies were carried out with SPSS 16.0.
RESULTS: Among the two SNPs tested, the rs918592 was significantly associated with IS (OR: 1.351, 95%CI: 1.110 - 1.645), especially in male patients (OR: 1.427, 95%CI: 1.105 - 1.844). Haplotype analysis showed that A-T was associated with an increased risk of the IS (OR: 2.114, 95%CI: 2.005 - 2.230) while G-T was associated with decreased risk of IS (OR: 0.419, 95%CI: 0.302 - 0.583). Protecting effect of haplotype G-T was also significant in males (OR: 0.264, 95%CI: 0.162 - 0.431).
CONCLUSIONS: The present study demonstrated a strong association of rs918592 with IS. Haplotype A-T increased the risk of IS while haplotype G-T had a protective effect in Henan Han population. The association was sex-dependent with male patients showing stronger effect.
Ying He; Jun-Yu Bai; Bo Song; Song Tan; Yin-Shu Chang; Tao Li; Cong-Cong Shi; Hua Zhang; Qing-Chuan Feng; Hua Qi; Guo-Ying Song; Hong Zheng; Yu-Ming Xu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Chinese medical journal     Volume:  125     ISSN:  0366-6999     ISO Abbreviation:  Chin. Med. J.     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-08-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7513795     Medline TA:  Chin Med J (Engl)     Country:  China    
Other Details:
Languages:  eng     Pagination:  2255-9     Citation Subset:  IM    
Department of Cell Biology and Medical Genetics, Basic Medical College of Zhengzhou University, Zhengzhou, Henan 450052, China.
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