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1.
Journal of Modern Laboratory Medicine ; (4): 155-157, 2015.
Article in Chinese | WPRIM | ID: wpr-482616

ABSTRACT

Objective To study serum IL-22 levels in patients with pulmonary tuberculosis and diabetes mellitus (PPTDM) and to analysis their clinical significance.Methods ELISA was used to detect serum IL-22 levels in 30 cases PPTDM pa-tients,30 cases pulmonary tuberculosis (PTB)patients,30 cases diabetes mellitus (DM)patients and 30 cases healthy vol-unteers (HV).Results Serum IL-22 levels of PPTDM patients (54.4±4.81 pg/ml)were significantly lower than those in diabetes mellitus (DM)patients (72.36±5.12 pg/ml)and healthy volunteers (HV)(68.32±3.08 pg/ml)(t=2.557,P =0.013;t=2.437,P =0.018),respectively.There was no significantly different of serum IL-22 levels between PPTDM and PTB patients (t=1.190,P =0.239).Serum IL-22 levels of diabetes mellitus coincident with pulmonary tuberculosis (DM-PTB)patients (64.62±8.59 pg/ml)were significantly higher than those in pulmonary tuberculosis coincident with diabetes mellitus (PTB-DM)patients (44.21±2.68 pg/ml)(t=2.267,P =0.031).Conclusion IL-22 may play an important role in PPTDM development.

2.
Chinese Journal of Microbiology and Immunology ; (12): 908-912, 2014.
Article in Chinese | WPRIM | ID: wpr-462611

ABSTRACT

Objective To analyze the correlation between the polymorphism of PTPN22 gene (R620W and R263Q sites)and pulmonary tuberculosis(TB)in Chinese Han population and to investigate the environmental factors associated with pulmonary TB. Methods A case-control study was conducted on 235 patients with pulmonary TB and 251 healthy subjects. The single nucleotide polymorphisms(SNP)of PTPN22 gene at R620W and R263Q sites were detected by the assay of polymerase chain reaction and re-striction fragment length polymorphism(PCR-RFLP). A questionnaire was designed to gather information about tuberculosis-associated environmental factors. Univariate and multivariate logistic analysis were con-ducted. Results Genotype frequencies of PTPN22 R620W(C1858T)SNP were 233(99. 15% ,CC),2 (0. 85% ,CT),0(0% ,TT)in patients with pulmonary TB and 240(95. 62% ,CC),11(4. 38% ,CT), 0(0% ,TT)in healthy subjects. There was a difference with the distribution of PTPN22 C1858T allele be-tween patients with pulmonary TB and healthy subjects[0. 43% vs 2. 19% ,P = 0. 01,odds ratio(OR)=0. 19,95% confidence interval(CI)= 0. 07-0. 35]. Genotype frequencies of PTPN22 R263Q(G788A) were 218(92. 77% ,GG),17(7. 31% ,GA),0(0% ,AA)in patients with pulmonary TB and 248 (98. 71% ,GG),3(1. 29% ,GA),0(0% ,AA)in healthy subjects. The frequencies of G788A allele in patients with pulmonary TB were higher than those in healthy subjects(3. 62% vs 0. 60% ,P﹤0. 01,OR=6. 03,95% CI=2. 12-18. 38). Conclusion The results of this study suggested that the R263Q GG geno-type of PTPN22 gene was associated with the susceptibility to TB in Chinese Han population.

3.
Chinese Journal of Clinical Infectious Diseases ; (6): 18-22, 2013.
Article in Chinese | WPRIM | ID: wpr-431058

ABSTRACT

Objective To investigte the association between haplotype of the promoter of interleukin-22 (IL-22) gene and the susceptibility to pulmonary tuberculosis.Methods Clinical data of 479 patients with pulmonary tuberculosis was collected from Shenzhen Third People's Hospital during January 2009 and December 2010,and 358 healthy controls were also enrolled in the study.Single nucleotide polymorphisms (SNPs) of IL-22 (rs2227472,rs2227473,rs2227478,rs2227483,rs2227485,rs2227486,rs2227487 and rs2227513) were genotyped using the Sequenom MassARRAY iPLEX Platform.The allele frequency and odds ratio (OR) of genotypes of SNPs and haplotypes of IL-22 were calculated; the association between the haplotypes of IL-22 and the susceptibility to pulmonary tuberculosis was analysis.Results rs2227472,rs2227473,rs2227478,rs2227483 and rs2227485 were associated with the susceptibility to tuberculosis (OR =0.796,0.653,0.769,0.762 and 0.816 ; x2 =4.594,6.921,5.256,5.089 and 3.827 ; P <0.05 or P < 0.01).The frequencies of haplotypes (CTFAA and TATGG) in case group were significantly different from those in control group (CTFAA:0.004 vs.O.032,OR =0.04,x2 =384.623,P<0.01; TATGG:0.522 vs.0.460,OR=1.49,x2 =6.690,P=0.01).Conclusions Five SNPs of IL-22 (rs2227472,rs2227473,rs2227478,rs2227483,rs2227485) and 2 haplotypes (CTTAA and TATGG) are associated with the susceptibility to pulmonary tuberculosis.Haplotype CTTAA is a protective factor for susceptibility to pulmonary tuberculosis,whereas haplotype TATGG is a risk factor.

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