Proteomic analysis of rat aorta during atherosclerosis induced by high cholesterol diet and injection of vitamin D3

Clinical and Experimental Pharmacology & Physiology
Mohamad Radwan AlmoftiPeng-Yuan Yang

Abstract

1. Atherosclerosis (AS) in rats displays important clinical similarities to human AS. 2. After the experimental model of AS in rat was established and using a proteomic approach, we compared the protein profiling of aorta tissues from healthy and AS rats. 3. Using two-dimensional electrophoresis (2-DE), over 1878 protein species were separated; among them, 1239 protein spots were matched between different gels with average matching rate of approximately 66%. Gel analysis and protein characterization have identified 58 protein spots whose abundance is significantly altered in AS rats. 4. By using matrix-associated laser desorption ionization time-of-flight mass spectrometer (MALDI-TOF-MS) and NCBInr database, 46 proteins were successfully identified. Among them, 18 proteins were of increased abundance in diseased tissues including a group of oxidization-related enzymes such as peroxiredoxin2 and NADH dehydrogenase Fe-S protein 6, components of inflammatory pathways such as lamin A, while 28 proteins were of decreased abundance in the diseased state, including CaM-KII inhibitory protein, transferring, fructose-bisphosphate aldolase. 5. We believe that these results would give insights into the cellular and molecular mechanisms in...Continue Reading

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Citations

Dec 21, 2006·Archives of Physiology and Biochemistry·Felicia Antohe
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