TITLE

Identification of haplotype tag single nucleotide polymorphisms within the receptor for advanced glycation end products gene and their clinical relevance in patients with major trauma

AUTHOR(S)
Zeng, Ling; Zhang, An-qiang; Gu, Wei; Zhou, Jian; Zhang, Lian-yang; Du, Ding-yuan; Zhang, Mao; Wang, Hai-yan; Yan, Jun; Yang, Ce; Jiang, Jian-xin
PUB. DATE
July 2012
SOURCE
Critical Care;2012, Vol. 16 Issue 4, p11436
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
Abstract: Introduction: The receptor for advanced glycation end products (RAGE) has been considered as one of the major pattern recognition receptors and plays an important role in the development of sepsis and multiple organ dysfunction in critical illnesses. Although genetic variants of the RAGE gene have been shown to be well associated with susceptibility to some inflammatory diseases, little is known about their clinical relevance in the development of sepsis in critical ill patients. Methods: Four genetic variants were selected from the entire RAGE gene and genotyped using pyrosequencing and polymerase chain reaction-length polymorphism methods. Association studies were performed in two independent Chinese Han populations. Results: Among the four genetic variants, only the rs1800625 polymorphism was significantly associated with sepsis morbidity rate and multiple organ dysfunction (MOD) scores in patients with major trauma both in Chongqing (n = 496) and Zhejiang (n = 232) districts, respectively. Results from ex vivo responsiveness of peripheralblood leukocytes indicated that the rs1800625 polymorphism was well associated with decreased production of TNFα. In addition, the rs1800625 polymorphism could significantly inhibit the promoter activities of the RAGE gene. Conclusions: The rs1800625 polymorphism is a functional variant, which might be used as a relevant risk estimate for the development of sepsis and multiple organ dysfunction syndrome in patients with major trauma
ACCESSION #
79827184

 

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