Lei Liu1, Bo Ning1. 1. Intensive Care Unit, Air Force General Hospital of PLA 30 Fucheng Road, Beijing 100142, China.
Abstract
AIM: This case-control study was aimed to explore the role of mannose-binding lectin 2 (MBL2) gene rs1800450 polymorphism (codon 54 A/B, G230A) in the development of sepsis in Han Chinese. METHODS: MBL2 rs1800450 polymorphism was genotyped by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). MBL serum level was detected by enzyme-linked immunosorbent assay (ELISA). Associations between rs1800450 and sepsis susceptibility was detected by Chi-square test and represented by odds ratios (ORs) and 95% confidence intervals (CIs). Correlation of rs1800450 genotypes and MBL serum level was assessed using t test. RESULT: Variant A allele frequency was significantly observed in cases than that in controls, indicating a significant association with the susceptibility of sepsis (OR = 1.979, 95% CI = 1.200-3.262). GA genotype also relate to the onset of sepsis (OR = 2.090, 95% CI = 1.163-3.753). MBL serum concentrations were significantly different between case and control groups (P<0.001). Meanwhile, variant allele carriers had lower serum level compared with wild homozygous (P<0.001). CONCLUSION: Variant A allele in MBL2 gene rs1800450 polymorphism might increase the risk of sepsis via decrease the MBL serum level.
AIM: This case-control study was aimed to explore the role of mannose-binding lectin 2 (MBL2) gene rs1800450 polymorphism (codon 54 A/B, G230A) in the development of sepsis in Han Chinese. METHODS:MBL2rs1800450 polymorphism was genotyped by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). MBL serum level was detected by enzyme-linked immunosorbent assay (ELISA). Associations between rs1800450 and sepsis susceptibility was detected by Chi-square test and represented by odds ratios (ORs) and 95% confidence intervals (CIs). Correlation of rs1800450 genotypes and MBL serum level was assessed using t test. RESULT: Variant A allele frequency was significantly observed in cases than that in controls, indicating a significant association with the susceptibility of sepsis (OR = 1.979, 95% CI = 1.200-3.262). GA genotype also relate to the onset of sepsis (OR = 2.090, 95% CI = 1.163-3.753). MBL serum concentrations were significantly different between case and control groups (P<0.001). Meanwhile, variant allele carriers had lower serum level compared with wild homozygous (P<0.001). CONCLUSION: Variant A allele in MBL2 gene rs1800450 polymorphism might increase the risk of sepsis via decrease the MBL serum level.
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