Monday, September 27, 2010

Role of Polymorphic Variants as Genetic Modulators of Infection in Neonatal Sepsis

Pediatric Research:
October 2010 - Volume 68 - Issue 4 - pp 323-329
doi: 10.1203/PDR.0b013e3181e6a068.
This study is a retrospective, case control study involving 535 preterm infants examining the roles of sequence polymorphisms in genes that mediate host immune responses to bacterial infection in newborn infants. A total of 49 single nucleotide polymorphisms (SNPs) in 19 candidate genes including inflammatory cytokines (IL6, IL10, IL1B, and TNF), cytokine receptors (IL1RN), toll-like receptors (TLR2, TLR4, and TLR5), and cell surface receptors (CD14) were genotyped.

Allelic variants in PLA2G2A and TLR2 were associated with Gram-positive infections, whereas IL10 was associated with Gram-negative infections (p <>PLA2G2A, TLR2, TLR5, and IL10 may moderate the predisposition to sepsis in preterm infants.


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