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1.
Chinese Journal of Trauma ; (12): 829-834, 2019.
Article in Chinese | WPRIM | ID: wpr-754721

ABSTRACT

Objective To investigate the clinical relevance of mannose-binding lectin 2 (MBL2) gene polymorphism with traumatic sepsis in Hainan Province. Methods A retrospective case control study was conducted to analyze the clinical data of 112 severe trauma patients admitted to the First Affiliated Hospital of Hainan Medical College and Haikou People's Hospital from June 2017 to June 2018. There were 73 males and 39 females, aged 17-83 years [(41. 8 ± 8. 9)years]. There were 48 patients in the sepsis group and 64 patients in the non-sepsis group. Multiplex single nucleotide extension polymorphism ( SNaPshot ) typing technique was used to detect the MBL2 gene polymorphism. The correlation between different genotypes and the risk of sepsis was analyzed. ELISA method was used to detect the level of MBL2 in plasma of each group. Results Among the three polymorphic loci of MBL2 gene (rs5030737, rs1800450 and rs1800451), the mutation frequency of rs1800450 was 27. 7%, while the mutation frequency of rs5030737 and of rs1800451 was 0. The genotype distribution in two groups was in accordance with Hardy-Weinberg equilibrium. The frequency of GA genotype in sepsis group was significantly higher than that in non-sepsis group (P<0. 05). A allele frequency in sepsis group was also much higher than that in non-sepsis group (P<0. 05). Patients with GA genotype had increased risk of traumatic sepsis when compared to GG genotype(OR=3. 442, 95%CI 1. 447-8. 187). Allele A increased the prevalence of sepsis significantly as well when compared to allele G(OR =2. 799, 95%CI 1. 270-6. 170). The MBL2 level in serum in sepsis patients with genotype GG and GA was significantly lower than that in non-sepsis group (P<0. 05). In sepsis group, the MBL2 serum level of patients with genotype GA was obviously lower than that in patients with genotype GG (P<0. 05). Conclusion MBL2 rs1800450G/A polymorphism is closely related to the occurrence of sepsis in Hainan province, and may be related to the decrease of serum MBL2 level in patients with mutant type.

2.
Chinese Journal of Trauma ; (12): 829-834, 2019.
Article in Chinese | WPRIM | ID: wpr-797408

ABSTRACT

Objective@#To investigate the clinical relevance of mannose-binding lectin 2 (MBL2) gene polymorphism with traumatic sepsis in Hainan Province.@*Methods@#A retrospective case control study was conducted to analyze the clinical data of 112 severe trauma patients admitted to the First Affiliated Hospital of Hainan Medical College and Haikou People's Hospital from June 2017 to June 2018. There were 73 males and 39 females, aged 17-83 years [(41.8±8.9)years]. There were 48 patients in the sepsis group and 64 patients in the non-sepsis group. Multiplex single nucleotide extension polymorphism (SNaPshot) typing technique was used to detect the MBL2 gene polymorphism. The correlation between different genotypes and the risk of sepsis was analyzed. ELISA method was used to detect the level of MBL2 in plasma of each group.@*Results@#Among the three polymorphic loci of MBL2 gene (rs5030737, rs1800450 and rs1800451), the mutation frequency of rs1800450 was 27.7%, while the mutation frequency of rs5030737 and of rs1800451 was 0. The genotype distribution in two groups was in accordance with Hardy-Weinberg equilibrium. The frequency of GA genotype in sepsis group was significantly higher than that in non-sepsis group (P<0.05). A allele frequency in sepsis group was also much higher than that in non-sepsis group (P<0.05). Patients with GA genotype had increased risk of traumatic sepsis when compared to GG genotype(OR=3.442, 95%CI 1.447-8.187). Allele A increased the prevalence of sepsis significantly as well when compared to allele G(OR=2.799, 95%CI 1.270-6.170). The MBL2 level in serum in sepsis patients with genotype GG and GA was significantly lower than that in non-sepsis group (P<0.05). In sepsis group, the MBL2 serum level of patients with genotype GA was obviously lower than that in patients with genotype GG (P<0.05).@*Conclusion@#MBL2 rs1800450G/A polymorphism is closely related to the occurrence of sepsis in Hainan province, and may be related to the decrease of serum MBL2 level in patients with mutant type.

3.
Asian Pacific Journal of Tropical Medicine ; (12): 251-254, 2018.
Article in English | WPRIM | ID: wpr-825842

ABSTRACT

Objective:To detect the clinical relevance of mannose-binding lectin 2 (MBL2) gene polymorphism and sepsis in Chinese lived in Hainan island.Methods:Blood samples from 57 patients with sepsis and 69 patients without sepsis were collected in the ICU of several large hospitals in Hainan province. Genomic DNA was extracted from whole blood and then PCR purification product was sequenced and typed by 3730 sequencing analyzer. The concentration of MBL2 in serum was detected by ELISA.Results:We found that genotype and allele distributions in two groups were in accordance with the Hardy-Weinberg Equilibrium. The frequency of GA genotype was significantly higher than that in non-sepsis group (P=0.013). A allele frequency in sepsis group was also much higher than that in non-sepsis group (P=0.028). Logister regression analysis showed that the patients who carried A allele were more prone to get sepsis than G allele carrier (P=0.014, 0R=2.550, 95%CI=1.207-5.386). The MBL2 level in serum of sepsis patients with genotype GG and GA was significantly lower than that in non-sepsis group (P<0.05). In sepsis group, the MBL2 serum level of patients with genotype GA was obviously lower than that in patients with genotype GG (P<0.05).Conclusions:The variation of rs1800450 G→A increased the incidence of sepsis and decreased the level of MBL2 in serum.

4.
Asian Pacific Journal of Tropical Medicine ; (12): 251-254, 2018.
Article in Chinese | WPRIM | ID: wpr-972478

ABSTRACT

Objective: To detect the clinical relevance of mannose-binding lectin 2 (MBL2) gene polymorphism and sepsis in Chinese lived in Hainan island. Methods: Blood samples from 57 patients with sepsis and 69 patients without sepsis were collected in the ICU of several large hospitals in Hainan province. Genomic DNA was extracted from whole blood and then PCR purification product was sequenced and typed by 3730 sequencing analyzer. The concentration of MBL2 in serum was detected by ELISA. Results: We found that genotype and allele distributions in two groups were in accordance with the Hardy-Weinberg Equilibrium. The frequency of GA genotype was significantly higher than that in non-sepsis group (P=0.013). A allele frequency in sepsis group was also much higher than that in non-sepsis group (P=0.028). Logister regression analysis showed that the patients who carried A allele were more prone to get sepsis than G allele carrier (P=0.014, 0R=2.550, 95%CI=1.207-5.386). The MBL2 level in serum of sepsis patients with genotype GG and GA was significantly lower than that in non-sepsis group (P<0.05). In sepsis group, the MBL2 serum level of patients with genotype GA was obviously lower than that in patients with genotype GG (P<0.05). Conclusions: The variation of rs1800450 G→A increased the incidence of sepsis and decreased the level of MBL2 in serum.

5.
Chinese Journal of Epidemiology ; (12): 930-935, 2011.
Article in Chinese | WPRIM | ID: wpr-269232

ABSTRACT

Objective To investigate whether the mannose-binding-lectin 2 (MBL2) gene was associated with type 2 diabetes in the populations living the northern part of China. Methods The study involved 318 type 2 diabetic patients and 448 normoglycemic controls. The variances of rs1800450, rs1800451 and rs11003125 were determined by the Multiplex SNaPshot method. Fasting blood-glucose, triglyceride and total cholesterol were also measured. All of these results were analyzed by logistic regression method. Linkage disequilibrium and Haplotype measures were computed in all samples using Haploview. Results There seemed no mutation on rs 1800451 while the rs 1800450 and rs11003125 polymorphism was consistent with Hardy-Weinberg expectations in both the case and the control groups. Genotypes and allele frequencies of rs1800450 as well as rs11003125 were observed (P=0.006, P=0.003) and (P=0.010, P=0.004), respectively. Data from logistic regression analysis revealed that factors as overweight, abdominal obesity, hypercholesterolemia, GG genotype frequencies of Exonl rs1800450 polymorphism as well as (GC + CC) genotype frequencies of rs11003125 polymorphism in MBL2 conferred increased risks for type 2 diabetes. Haplotype analyses of the two SNPs (rs1800450, rs11003125) revealed similar effects as compared with the single SNP associations. Only haplotype constructed from GC alleles conferred increased trends for type 2 diabetes (OR=2.21, 95% CI: 1.47-3.33, P=0.000). Conclusion Our result suggested that the Exonl rs1800450 polymorphism and promoter region rs11003125 polymorphism in MBL2 gene were both associated with type 2 diabetes in the Chinese population living in the northern areas of China. The G allele of rs 1800450 and C allele of rs 11003125 might be the risk factors of type 2 diabetes.

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