ABSTRACT
Objective To investigate the correlation between the polymorphisms in GLIS3 and diabetic retinopathy in patients with type 2 diabetes in Northeast China.Methods Based on the case-control study,polymorphisms in GLIS3 were examined by PCR-RFLP in 120 cases of diabetic retinopathy in patients with type 2 diabetes (DR),120 cases of patients with type 2 diabetes without diabetic retinopathy (DNR),and 120 healthy individuals (NC).The odds ratio (OR) and 95％ confidence interval (C I) were calculated using unconditional logistic analysis.Results The resuhs demonstrated that GLIS3 rs7041847 AG,AG/GG genotype,or G allele was associated with an increased risk of DR and DNR (P ＜ 0.05).Moreover,GLIS3 rs7034200 CC,AC/CC genotype,or C allele was associated with an increased risk of DR and DNR (P ＜ 0.05).Conclusion In the patients in Northeast China,the polymorphisms in GLIS3 rs7041847 and rs7034200 were correlated with type 2 diabetes mellitus,while GLIS3 may not be associated with the susceptibility to diabetic retinopathy.
ABSTRACT
Porcine reproductive and respiratory syndrome virus (PRRSV) non-structural protein 7 (Nsp7) plays an important role in the induction of host humoral immune response and could serve as an ideal antigen for serological genotyping assay for PRRSV based on the significant difference in immunoreactivities of North American (NA) and European (EU) PRRSV Nsp7. In this study, Nsp7 of NA and EU PRRSVwas separately expressed and purified using prokaryotic expression system. The purified recombinant Nsp7 proteins reacted with serum antibodies against corresponding genotype PRRSV in Western blotting. However, nonspecific reaction of whole recombinant Nsp7 with antibodies against another genotype PRRSV was observed, indicating that whole NA PRRSV Nsp7 and EU PRRSV Nsp7 have similar antigenic epitopes and recombinant proteins could not be used for genotyping of antibodies against PRRSV. Based on the analysis of similar antigenic epitopes at the hydrophilic region of NA PRRSV Nsp7 and EU PRRSV Nsp7 by bioinformatics assessment, partial Nsp7 gene region deleted sequences encoding similar antigenic epitopes was constructed by fusion PCR. The recombinant truncated Nsp7 (NA-deltaNsp7 and EU-deltaNsp7, about 43 kDa) was expressed and the molecular weight was about 43 kDa. The results of Western blotting showed that NA-deltaNSP7 and EU-deltaNSP7 could be specifically recognized by positive serum to NA or EU PRRSV individually and nonspecific reaction was eliminated. This study provided a basis for further development of serological genotyping assay for North American and European genotype PRRSV infection.
Subject(s)
Animals , Genotype , Porcine respiratory and reproductive syndrome virus , Classification , Genetics , Allergy and Immunology , Recombinant Proteins , Allergy and Immunology , Swine , Viral Nonstructural Proteins , Allergy and ImmunologyABSTRACT
Objective To evaluate the efficacy and safety of phacoemulsification combined with trabeculectomy and phacoemulsification after trabeculectomy in patients with angle-closure glaucoma and cataract with high intraocular pressure.Methods We divided 32 eyes of 32 patients with angle-closure glaucoma and cataract with high intraocular pressure into 2 groups.Phacoemulsification combined with trabeculectomy were performed in group 1,and phacoemulsification after trabeculectomy were performed in group 2.The intraocular pressure,visual acuity,and complications were determined.Results In these 2 groups,the intraocular pressure decreased and the visual acuity increased 1 week after the surgery,without statistical significance.No serious complication was found in these 2 groups.Conclusion It is effective and safe to perform phacoemulsification combined with trabeculectomy in patients with angle-closure glaucoma and cataract with high intraocular pressure.