نتایج جستجو برای: 2 dimentional gel electrophoresis 2 de
تعداد نتایج: 4061129 فیلتر نتایج به سال:
Pancreatic cancer (PC) is one of the most lethal malignant tumors because of late diagnosis and the lack of response to various therapies. To identify potential biomarkers in cancerous serum from early stage PC patients, we carried out two-dimensional gel electrophoresis (2-DE) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) to compare the serum proteomic profiles from 45 patients...
Helicobacter pylori is a bacterium recognized as the major cause of peptic ulcer and chronic gastritis. Recently, a proteome-based approach was developed to investigate pathogenic factors related to H. pylori. In this preliminary study, H. pylori strains were isolated from gastric biopsies of patients with chronic gastritis and duodenal ulcers. A partial proteomic analysis of H. pylori strains ...
Understanding the protection mechanism of 5'-AMP requires comprehensive knowledge of the proteins expressed during the period that the body is exposed to irradiation. Proteomics provides the tools for such analyses. Here, the experimental ICR mice were divided into three groups (normal group, model group and 5'-AMP + irradiation group). After different treatment, the hepatic total protein of ea...
Cronobacter sakazakii is an opportunistic foodborne pathogen and the virulence differences were previously documented. However, information about membranous proteins involved in virulence differences was not available. In this study, virulent characterization such as biofilm formation and flagella motility between virulent C. sakazakii isolate G362 and attenuated L3101 were determined. Then, tw...
Pancreatic cancer (PC) is characterized by rapid tumor spread, and very few patients with PC survive for more than 5 years. It is imperative to discover additional diagnostic biomarkers or specific therapeutic targets in order to improve the treatment of patients with PC. In search for useful biomarkers, we analyzed ten pairs of non-cancerous and ...
Urokinase-activated human plasma was analysed by acetic acid/urea/polyacrylamide-gel electrophoresis. The bands representing plasminogen, the plasmin-alpha 2-plasmin inhibitor and plasmin-alpha 2-macroglobulin complexes were identified by immunoprecipitation with specific antibodies and by comparison with purified components. Plasminogen and the plasmin-inhibitor complexes were isolated from pl...
background hepatocellular carcinoma (hcc), a major fatal cancer worldwide, is induced by different etiological factors in the liver. objectives to gain insight into serum protein profiling of hcc with different etiologies. patients and methods we subjected the sera of hbv-hcc, hcv-hcc, non-b non-c-hcc patients, and healthy volunteers to two-dimensional gel electrophoresis (2-de) and liquid chro...
A method is described for the detection of 2-keto-4-hydroxyglutarate aldolase activity after electrophoresis of the enzyme on polyacrylamide gels. When gels are incubated with substrate (2-keto-4-hydroxyglutarate), activity is seen as a yellow-colored band due to interaction’ of the product (glyoxylate) with ortho-aminobenzaldehyde and glycine. Positive results have been obtained using either c...
background: rapid diagnosis and differentiation of brucella is of high importance due to the side effects of antibiotics for the treatment of brucellosis. this study aimed to identify and compare pcr-elisa as a more accurate diagnositc test with other common molecular and serological tests. methods: in this experimental and sectional study, during march 2014 to sep 2015, 52 blood samples of sus...
Two-dimensional gel electrophoresis (2-DE) images show the expression levels of several hundred of proteins where each protein is represented as a blob shaped spot of grey level values. The spot detection, i.e. segmentation process has to be efficient as it is the first step in the gel processing. Such extraction of information is a very complex task. In this paper we propose a real time spot d...
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