Abstract
The tumor necrosis factor receptor-associated factor 1/complement C5 (TRAF1/C5) genes have been suggested as two candidate genes for conferring susceptibility to autoimmunity and inflammation. The aim of the present study was to investigate the association of single nucleotide polymorphisms (SNP) of TRAF1/C5 genes with the risk for aplastic anemia (AA). In this case–control study, the genotyping of TRAF1/C5 rs10818488 polymorphism was detected by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). The frequencies of AA, AG and GG genotypes, and A and G alleles were 21.9%, 52.4%, 25.7%, 48.1% and 51.9%, respectively, in AA patients. There was no significant differences in terms of genotype and allele distributions between AA patients and healthy controls (P=0.687 and 0.955, respectively). Similar results were found between the two groups when stratified by the disease severity including very severe AA (vSAA), SAA and non-SAA (NSAA). Our results indicated that TRAF1/C5 rs10818488 polymorphism might not contribute to susceptibility to AA in a Chinese population.
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