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1.
Chinese Journal of Rheumatology ; (12): 240-243, 2009.
Article in Chinese | WPRIM | ID: wpr-395556

ABSTRACT

Objective To identify gene expression profile in periphend blood mononuclear cell (PBMC)of patients with primary Sjogren's syndrome(pSS)complicated with hematology involvement and compare it to healthy volunteers.Methods Three Sjogren's syndrome(SS)patients with leucopenia and 3healthy volunteers were included.The cRNA probes prepared for total RNA were hybridized with three identical gene chips.The difference of gene expression of each patient and volunteers were compared.Results Significant difference in the expression of 82 genes could be detected between patients and volunteers.Among these,45 were upregulated,and 37 were downregulated.Statistical difierence was calculated between patients and volunteers especially in the following two pathways:the complement and coagulation pathways(including C2,PROS1,F2R and SEPPING1)and the cytokine-cytokine receptor interaction pathway(including FASLG,MPL,CCL20 and CXCL2)(P<0.01).Conclusion This study has identified distinct gene expression profiles in PBMC from patients with pSS patients with hematology involvement and healthy volunteers.This provides new knowledge about groups of genes that are upregulated during disease.It may form an excellent platform for future functional studies.

2.
Chinese Journal of Geriatrics ; (12): 665-667, 2009.
Article in Chinese | WPRIM | ID: wpr-393547

ABSTRACT

ObjectiveTo explore the prevalence and clinical features of hyperuricemia and its influencing factors in elderly male people aged 90 years and above. MethodsOne hundred elderly male people aged 90 years and above who underwent routine health examination in our hospital in 2007 were selected in the study. Serum uric acid level was examined by uricase-peroxidase method, and all patients were divided into hyperuricemia group and control group according to the serum uric acid level. Clinical and biochemical indications were compared between the two groups, and logistic regression was used to analyze the influencing factors of hyperuricemia in elderly people. ResultsThe serum uric acid level was increased in 20% of the elderly people, and the prevalence of gouty arthritis was 1%. The levels of blood urea nitrogen and serum creatinine were higher in hyperuricemia group than in control group[(10. 98±4.29) mmol/L vs. (6. 87± 1.86) mmol/L, (125.2±25.9)μmol/L vs. (93. 4±19. 8)μmol/L;both P<0.05)3. The patients in hyperuricemia group had a higher prevalence of hypertension and hypertriglyceridemia, and a higher proportion of diuretic application than patients in control group(P<0. 05). Logistic regression analysis showed that serum uric acid level had the most remarkable correlation with serum creatinine(OR= 1. 969), followed by fasting blood glucose (OR= 1. 310)and blood urea nitrogen(OR = 1.161). There was negative correlation between serum uric acid level and plasma cholesterol level(OR = 0. 802). ConclusionsThe prevalence of hyperuricemia is high in elderly people aged 90 years and above, while the incidence of gouty arthritis is low. Renal function impairment, metabolic syndrome and thiazide diuretic are the major factors for hyperuricemia.

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