Absence of association between <it>SERPINE2 </it>genetic polymorphisms and chronic obstructive pulmonary disease in Han Chinese: a case-control cohort study

<p>Abstract</p> <p>Background</p> <p>Recent studies have proposed that the serine protease inhibitor E2 (<it>SERPINE2</it>) was a novel susceptibility gene for chronic obstructive pulmonary disease (COPD) in Caucasians. However, this issue still remained con...

Full description

Bibliographic Details
Main Authors: Sun Chang, Fu Wei-Ping, Zhong Li, Dai Lu-Ming, Zhang Ya-Ping
Format: Article
Language:English
Published: BMC 2009-07-01
Series:BMC Medical Genetics
Online Access:http://www.biomedcentral.com/1471-2350/10/66
_version_ 1828927676528721920
author Sun Chang
Fu Wei-Ping
Zhong Li
Dai Lu-Ming
Zhang Ya-Ping
author_facet Sun Chang
Fu Wei-Ping
Zhong Li
Dai Lu-Ming
Zhang Ya-Ping
author_sort Sun Chang
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>Recent studies have proposed that the serine protease inhibitor E2 (<it>SERPINE2</it>) was a novel susceptibility gene for chronic obstructive pulmonary disease (COPD) in Caucasians. However, this issue still remained controversial. Additional evidences from populations with different environments and/or genetic backgrounds, such as East Asian, would be helpful to elucidate the issue.</p> <p>Methods</p> <p>In this study, five proposed causal SNPs in <it>SERPINE2 </it>were genotyped in 327 COPD patients and 349 controls, all of which belonged to the Han population sampled from Southwest China. The frequency of each SNP was compared both individually and in combination between patients and controls. The potential relationship between these SNPs and severity of COPD was also investigated.</p> <p>Results</p> <p>Three SNPs (rs3795877, rs6747096, and rs3795879) showed complete linkage disequilibrium (r<sup>2 </sup>= 1), and the minor allele frequencies were 13.0% and 12.9% in case and control cohorts, respectively, with no significant difference observed (<it>P </it>= 0.96). We also failed to observe any significant correlation between these SNPs and COPD severity (<it>P </it>= 0.67). The other two SNPs (rs7579646 and rs840088) also presented a similar pattern. Moreover, four major haplotypes were observed in our sample but none showed a significant difference between case and control groups (<it>P </it>> 0.1).</p> <p>Conclusion</p> <p>Our results failed to obtain the evidence that these SNPs in <it>SERPINE2 </it>contributed to the COPD susceptibility in the Han Chinese population.</p>
first_indexed 2024-12-13T23:53:01Z
format Article
id doaj.art-4367dda17f96412aa430c17df03d4ac4
institution Directory Open Access Journal
issn 1471-2350
language English
last_indexed 2024-12-13T23:53:01Z
publishDate 2009-07-01
publisher BMC
record_format Article
series BMC Medical Genetics
spelling doaj.art-4367dda17f96412aa430c17df03d4ac42022-12-21T23:26:42ZengBMCBMC Medical Genetics1471-23502009-07-011016610.1186/1471-2350-10-66Absence of association between <it>SERPINE2 </it>genetic polymorphisms and chronic obstructive pulmonary disease in Han Chinese: a case-control cohort studySun ChangFu Wei-PingZhong LiDai Lu-MingZhang Ya-Ping<p>Abstract</p> <p>Background</p> <p>Recent studies have proposed that the serine protease inhibitor E2 (<it>SERPINE2</it>) was a novel susceptibility gene for chronic obstructive pulmonary disease (COPD) in Caucasians. However, this issue still remained controversial. Additional evidences from populations with different environments and/or genetic backgrounds, such as East Asian, would be helpful to elucidate the issue.</p> <p>Methods</p> <p>In this study, five proposed causal SNPs in <it>SERPINE2 </it>were genotyped in 327 COPD patients and 349 controls, all of which belonged to the Han population sampled from Southwest China. The frequency of each SNP was compared both individually and in combination between patients and controls. The potential relationship between these SNPs and severity of COPD was also investigated.</p> <p>Results</p> <p>Three SNPs (rs3795877, rs6747096, and rs3795879) showed complete linkage disequilibrium (r<sup>2 </sup>= 1), and the minor allele frequencies were 13.0% and 12.9% in case and control cohorts, respectively, with no significant difference observed (<it>P </it>= 0.96). We also failed to observe any significant correlation between these SNPs and COPD severity (<it>P </it>= 0.67). The other two SNPs (rs7579646 and rs840088) also presented a similar pattern. Moreover, four major haplotypes were observed in our sample but none showed a significant difference between case and control groups (<it>P </it>> 0.1).</p> <p>Conclusion</p> <p>Our results failed to obtain the evidence that these SNPs in <it>SERPINE2 </it>contributed to the COPD susceptibility in the Han Chinese population.</p>http://www.biomedcentral.com/1471-2350/10/66
spellingShingle Sun Chang
Fu Wei-Ping
Zhong Li
Dai Lu-Ming
Zhang Ya-Ping
Absence of association between <it>SERPINE2 </it>genetic polymorphisms and chronic obstructive pulmonary disease in Han Chinese: a case-control cohort study
BMC Medical Genetics
title Absence of association between <it>SERPINE2 </it>genetic polymorphisms and chronic obstructive pulmonary disease in Han Chinese: a case-control cohort study
title_full Absence of association between <it>SERPINE2 </it>genetic polymorphisms and chronic obstructive pulmonary disease in Han Chinese: a case-control cohort study
title_fullStr Absence of association between <it>SERPINE2 </it>genetic polymorphisms and chronic obstructive pulmonary disease in Han Chinese: a case-control cohort study
title_full_unstemmed Absence of association between <it>SERPINE2 </it>genetic polymorphisms and chronic obstructive pulmonary disease in Han Chinese: a case-control cohort study
title_short Absence of association between <it>SERPINE2 </it>genetic polymorphisms and chronic obstructive pulmonary disease in Han Chinese: a case-control cohort study
title_sort absence of association between it serpine2 it genetic polymorphisms and chronic obstructive pulmonary disease in han chinese a case control cohort study
url http://www.biomedcentral.com/1471-2350/10/66
work_keys_str_mv AT sunchang absenceofassociationbetweenitserpine2itgeneticpolymorphismsandchronicobstructivepulmonarydiseaseinhanchineseacasecontrolcohortstudy
AT fuweiping absenceofassociationbetweenitserpine2itgeneticpolymorphismsandchronicobstructivepulmonarydiseaseinhanchineseacasecontrolcohortstudy
AT zhongli absenceofassociationbetweenitserpine2itgeneticpolymorphismsandchronicobstructivepulmonarydiseaseinhanchineseacasecontrolcohortstudy
AT dailuming absenceofassociationbetweenitserpine2itgeneticpolymorphismsandchronicobstructivepulmonarydiseaseinhanchineseacasecontrolcohortstudy
AT zhangyaping absenceofassociationbetweenitserpine2itgeneticpolymorphismsandchronicobstructivepulmonarydiseaseinhanchineseacasecontrolcohortstudy