Tumour necrosis factor alpha gene polymorphisms in women with recurrent pregnancy loss

a meta-analysis

Jung A. Kim, Cho Hee Bang, Gwan Gyu Song, Jae Hoon Kim, Sungjae Choi, Jae Hyun Jung

Research output: Contribution to journalArticle

Abstract

Tumour necrosis factor alpha (TNF-α) concentration is associated with recurrent pregnancy loss (RPL). Moreover, TNF-α promoter polymorphisms affect cellular TNF-α concentrations. Although several studies on TNF-α polymorphisms have been reported, these studies only define specific loci and result in conflicting conclusions. The meta-analysis in this study was performed to examine the relationship between various TNF-α polymorphisms and RPL. We searched for articles, using MEDLINE and Embase, and performed meta-analysis of 21 studies involving 3437 cases and 4016 controls. The results demonstrated that the -308G/A polymorphism is positively associated with RPL, particularly in cases involving three or more miscarriages. For -1031T/C, -863C/A, and -376G/A polymorphisms, recessive and homozygote models revealed significant associations with RPL. However, -857C/T, -238G/A, and +488G/A polymorphisms showed no association with RPL. A subgroup analysis with respect to ethnicity demonstrated that the -308G/A and -238G/A polymorphisms are associated with RPL in Asian and Middle Eastern populations, respectively. This meta-analysis showed the associations between TNF-α polymorphisms and RPL. However, further studies of genetic polymorphisms in TNF-α other than -308G/A and -238G/A are required.

Original languageEnglish
JournalHuman Fertility
DOIs
Publication statusAccepted/In press - 2018 Jan 1

Fingerprint

Meta-Analysis
Tumor Necrosis Factor-alpha
Pregnancy
Genes
Homozygote
Spontaneous Abortion
Genetic Polymorphisms
MEDLINE
Population

Keywords

  • meta-analysis
  • polymorphism
  • recurrent pregnancy loss
  • Tumour necrosis factor alpha

ASJC Scopus subject areas

  • Reproductive Medicine
  • Obstetrics and Gynaecology

Cite this

Tumour necrosis factor alpha gene polymorphisms in women with recurrent pregnancy loss : a meta-analysis. / Kim, Jung A.; Bang, Cho Hee; Song, Gwan Gyu; Kim, Jae Hoon; Choi, Sungjae; Jung, Jae Hyun.

In: Human Fertility, 01.01.2018.

Research output: Contribution to journalArticle

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abstract = "Tumour necrosis factor alpha (TNF-α) concentration is associated with recurrent pregnancy loss (RPL). Moreover, TNF-α promoter polymorphisms affect cellular TNF-α concentrations. Although several studies on TNF-α polymorphisms have been reported, these studies only define specific loci and result in conflicting conclusions. The meta-analysis in this study was performed to examine the relationship between various TNF-α polymorphisms and RPL. We searched for articles, using MEDLINE and Embase, and performed meta-analysis of 21 studies involving 3437 cases and 4016 controls. The results demonstrated that the -308G/A polymorphism is positively associated with RPL, particularly in cases involving three or more miscarriages. For -1031T/C, -863C/A, and -376G/A polymorphisms, recessive and homozygote models revealed significant associations with RPL. However, -857C/T, -238G/A, and +488G/A polymorphisms showed no association with RPL. A subgroup analysis with respect to ethnicity demonstrated that the -308G/A and -238G/A polymorphisms are associated with RPL in Asian and Middle Eastern populations, respectively. This meta-analysis showed the associations between TNF-α polymorphisms and RPL. However, further studies of genetic polymorphisms in TNF-α other than -308G/A and -238G/A are required.",
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