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Bactericidal/permeability increasing protein gene polymorphism and inflammatory bowel diseases: meta-analysis of five case–control studies

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Abstract

Objective

Bactericidal/permeability increasing protein (BPI) gene polymorphisms have been extensively investigated in terms of their associations with inflammatory bowel disease (IBD), with contradictory results. The aim of this meta-analysis was to evaluate associations between BPI gene polymorphisms and the risk of IBD, Crohn’s disease (CD), and ulcerative colitis (UC).

Methods

Eligible studies from PubMed, Embase, and Cochrane library databases were identified.

Results

Ten studies (five CD and five UC) published in five papers were included in this meta-analysis. G645A polymorphism was associated with a decreased risk of UC in allele model, dominant model, and homozygous model.

Conclusions

Our data suggested that BPI G645A polymorphism was associated with a decreased risk of UC; the BPI G645A polymorphism was not associated with the risk of CD.

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Acknowledgments

The authors thank all the participants in this study.

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Corresponding author

Correspondence to Hongyun Li.

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Conflict of interest

The authors declare that they have no conflict of interest.

Additional information

Lijuan Fan, Guoning Fu, and Yuanyuan Ding have contributed equally to this study.

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Fan, L., Fu, G., Ding, Y. et al. Bactericidal/permeability increasing protein gene polymorphism and inflammatory bowel diseases: meta-analysis of five case–control studies. Int J Colorectal Dis 32, 433–435 (2017). https://doi.org/10.1007/s00384-016-2740-1

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  • DOI: https://doi.org/10.1007/s00384-016-2740-1

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