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Objective:To explore the association of Chinese medicine constitution susceptibility to diabetic nephropathy(DN) and transforming growth factor(TGF)-β1(T869C) gene polymorphism.Methods:TGF-β1 gene polymorphism detected with polymerase chain reaction-restriction fragment length polymorphism(PCRRFLP) was screened for 180 DN cases and 180 type 2 diabetic mellitus(T2DM) cases without combined DN. Patients with DN were surveyed epidemiologically with constitution in the Chinese medicine questionnaire (CCMQ).Binary logistic regression analysis was utilized to study the correlation between nine types of Chinese medicine constitution and TGF-β1(T869C) gene polymorphisms.Results:The DN group has a higher frequency of TGF-β1(T869C) gene polymorphism than the T2DM group,and CC/CT genotypes than the T2DM group[CC,CT,TT(DN group):88,87,5(cases) versus(T2DM group) 71,73,36(cases),P<0.05].The phlegm-dampness constitution,damp-heat constitution,and blood stasis constitution have correlations with TGF-β1 (T869C) gene polymorphism.Conclusion:Chinese medicine constitutions were associated with TGF-β1(T869C) gene polymorphism,a potential predictor of susceptibility to DN in T2DM patients.
Objective: To explore the association of Chinese medicine constitution susceptibility to diabetic nephropathy (DN) and transforming growth factor (TGF) -β1 (T869C) gene polymorphism. Methods: TGF-β1 gene polymorphism detected with polymerase chain reaction- restriction fragment length polymorphism PCRRFLP) was screened for 180 DN cases and 180 type 2 diabetic mellitus (T2DM) cases without combined DN. Patients with DN were surveyed epidemiologically with constitution in the Chinese case questionnaire (CCMQ). Binary logistic regression analysis was utilized to study the correlation between Nine types of Chinese medicine constitution and TGF-β1 (T869C) gene polymorphisms. Results: The DN group has a higher frequency of TGF-β1 (T869C) gene polymorphism than the T2DM group, and CC / CT genotypes than the T2DM group [CC , CT, TT (DN group): 88,87,5 (cases) versus (T2DM group) 71,73,36 cases, P <0.05] .The phlegm-dampness constitution, damp-heat constitution, and blood stasis constitution have correlations with TGF-β1 (T869C) gene polymorphism. Conlusion: Chinese medicine constitutions were associated with TGF-β1 (T869C) gene polymorphism, a potential predictor of susceptibility to DN in T2DM patients.