Cheng-bao Lu

Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, Shanghai Shi, China

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Publications (4)5.23 Total impact

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    ABSTRACT: Vasostatin-1 (VS-1) has been suggested in protecting hypoxia/reoxygenation (H/R) injuries in isolated hearts. However, the molecular mechanisms remained to be elucidated. Cardiomyocytes were treated with recombinant Ad-VS-1 adenoviral vector before H/R. Cell viability was studied using MTT methods and annexin V-FITC flow cytometry. Intracellular oxidative stress was measured by superoxide dismutase (SOD) and malondialdehyde (MDA), and inflammatory reactions by enzyme-linked immunosorbent assay (ELISA). Measurement of myocardial nitrous oxide synthase (NOS) was determined by serum nitric oxide (NO) concentrations using nitrite reductase and endothelial nitric oxide synthase (eNOS) by Western blotting. Inhibitors of the NOS system, including hemoglobin and KT5823, were applied to verify the results. In comparison of the blank group, cardiac myocytes overexpressing VS-1 showed significant decrease in apoptosis, intracellular oxidative stress, and inflammatory reactions (P < 0.05). In addition, serum NO concentrations and expression of eNOS were notably enhanced (P < 0.05). These protective effects of VS-1 were suppressed in the presence of apoptosis-inducing agents. Overexpression of VS-1 in cardiomyocytes could limit the H/R injuries at molecular levels. The protective effects were independent of endothelial cell function, suggestive of a potential therapeutic target for patients with myocardial ischemia in the future.
    Preview · Article · May 2011 · Cardiovascular Therapeutics
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    ABSTRACT: To compare the early outcomes of coronary artery bypass grafting (CABG) in aged diabetic patients, and evaluate the affection of diabetes on the early outcomes of CABG in aged patients. The study took place in the Department of Cardiovascular Surgery, Shanghai Jiao Tong University Affiliated First People's Hospital, Shanghai, China, between January 2000 and July 2008. Five hundred and ninety-three elderly patients (age > or = 70-years-old), undergoing isolated CABG were retrospectively divided into diabetic group and non-diabetic group. We analyzed the pre-operative, intra-operative, and post-operative variables of the 2 groups. The t-test, Chi-square test, and multivariate logistic regression were used to determine the differences between the 2 groups of patients. There was no statistical difference of pre-operative and intraoperative variables between the 2 groups, except that there were more left main coronary artery diseases in the diabetic group. Values in the post-operative period such as morbidity, complications, and blood infusion had no differences between the 2 groups. Diabetes mellitus and age are not the risk factors for in-hospital mortality. Coronary artery bypass grafting in elderly patients is plausible. Furthermore, diabetic patients could get the same surgical results as those non-diabetic patients.
    No preview · Article · Sep 2009 · Saudi medical journal
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    ABSTRACT: Apolipoprotein M (apoM) is important for the formation of pre-beta-high-density lipoprotein (HDL) and cholesterol efflux in macrophages. It is demonstrated that single-nucleotide polymorphism (SNP) T-778C of apoM gene is related to type 2 diabetes in Han Chinese. In the present study, we investigated the possible association of apoM polymorphism in relation to coronary artery disease (CAD) in Han Chinese. This case-controlled study consisted of 118 CAD patients who were diagnosed angiographically to have at least 30% stenosis, and 255 unrelated subjects who were used as control. ApoM gene polymorphism in the proximal promoter region was analyzed by PCR-RFLP and serum lipid levels were also measured. It is indicated that CAD patients had increased frequency of C allele on apoM T-778C compared to the controls (14.8% vs. 6.9%, P=0.0008). Multivariable logistic regression analysis indicated that odds ratios (ORs) for all subjects with apoM CC+CT genotypes and C allele were 1.9 (95% CI=1.1-2.9, P<0.0001) and 1.9 (95% CI=1.3-3.2, P<0.0001), respectively. The plasma total cholesterol (TC) levels were significantly higher in individuals with CC or CT genotype than those with TT genotype in both CAD patients and controls. The present findings suggest that the C allele at nucleotide -778 in the apoM gene is a risk factor for genetic susceptibility to CAD and is also associated with TC levels in Han Chinese.
    No preview · Article · Oct 2007 · Clinical Biochemistry
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    ABSTRACT: To establish an animal model of human stem cell transplantation into myocardium in chick embryos. Hoechsst 33,258 labeled human primordial germ cells (hPGC) were microsurgically injected into the myocardium of 633 chick embryos of 3-4 days development. Ten days after, the hearts were isolated from the 94 surviving chick embryos, embedded, and sliced. In situ hybridization (ISH) with human specific DNA Alu probe was conducted on the sections with fluorescence to detect the existence of transplanted PGC. Immunohistochemistry with human-myocardium-specific antibody cTnT was conducted on the adjacent sections to observe the differentiation of human myocardial cells. ISH showed that PGC were detected in the myocardium of chick embryos 10 days post-operationally. Immunohistochemistry showed that the myocardium added with antibody in adjacent sections was cTnT-positive and the myocardium untreated with antibody was cTNT-negative. Successful cell transplantation occurred in 15.3% +/- 2.4% of chick embryos. Establishment of an animal model of cell transplantation of human stem cells into myocardium in chick embryos is feasible.
    No preview · Article · May 2004 · Zhonghua yi xue za zhi

Publication Stats

25 Citations
5.23 Total Impact Points


  • 2011
    • Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine
      Shanghai, Shanghai Shi, China
  • 2007
    • Shanghai University
      Shanghai, Shanghai Shi, China