Publications by authors named "Jing-Zhang Ji"

Background: Pre-analytical error accounts for major total laboratory errors. We assessed the impacts of hemolysis, icterus, and lipemia on laboratory tests on Roche Cobas 6000.

Methods: Various concentrations of hemoglobin, bilirubin, or Intralipid® were added into the plasma to simulate hemolytic, icteric, or lipemic samples.

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Lipoprotein-associated phospholipase A2 (Lp-PLA2) has been studied extensively in terms of biology, pathophysiology, diagnostic and prognostic values. Lp-PLA2 is an enzyme produced in atherosclerotic plaque by inflammatory cells, linked to LDL, HDL and VLDL. The binding of Lp-PLA2 to a specific lipoprotein fraction renders it more atherogenic.

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Objective: To explore the relationship between type 2 diabetes mellitus (T2DM) and the mutations in the fragment of mitochondrial DNA (mtDNA) from nucleotides 3153 to 3551, which have shown high frequency of point mutation.

Methods: One hundred and ninety-one normal controls and 222 patients with T2DM were screened by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP), T-A cloning sequencing and denatured high performance liquid chromatography (DHPLC) techniques.

Results: The prevalence of mtDNA mutations in the patient group (24.

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To investigate the frequencies of mitochondria DNA (mtDNA) tRNA(Leu (UUR)) point mutation A3243G and NADH dehydronase subunit 1(ND1) gene point mutation G3316A in Wenzhou area of Zhejiang Province, and to explore the correlation between these mutations and the clinical manifestations in patients with type 2 mellitus diabetes(T2DM). Two hundreds and forty-four unrelated patients with T2DM and 156 healthy subjects without family history of T2DM were enrolled in Wenzhou area in this study and screened for the point mutations mentioned above with polymerase chain reaction (PCR) and restricted fragment length polymorphism(RFLP) analysis. The heterogeneous mutations were confirmed with DNA sequencing and denaturing high performance liquid chromatography (DHPLC) following T-A cloning of PCR products.

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