Neuroproteome Changes After Ischemia/reperfusion Injury and Tissue Plasminogen Activator Administration in Rats: a Quantitative ITRAQ Proteomics Study

Overview

Journal PLoS One

Specialties General Medicine
Science

Date 2014 Jun 1

PMID 24879061

Citations 7

Authors

Zamir Merali

Meah MingYang Gao

Tim Bowes

Jian Chen

Kenneth Evans

Andrea Kassner

Affiliations

Soon will be listed here.

Abstract

The thrombolytic, recombinant tissue plasminogen activator (rt-PA) is the only approved therapy for acute ischemic stroke (AIS). When administered after AIS, rt-PA has many adverse pleiotropic actions, which are currently poorly understood. The identification of proteins showing differential expression after rt-PA administration may provide insight into these pleiotropic actions. In this study we used a 2D-LC MS/MS iTRAQ proteomic analysis, western blotting, and pathway analysis to analyze changes in protein expression 24-hours after rt-PA administration in the cortical brain tissue of 36 rats that underwent a sham or transient middle cerebral artery occlusion surgery. After rt-PA administration we reported alterations in the expressions of 18 proteins, many of which were involved in excitatory neurotransmitter function or cytoskeletal structure. The expression changes of GAD2 and EAAT1 were validated with western blot. The interactions between the identified proteins were analyzed with the IPA pathway analysis tool and three proteins: DPYSL2, RTN4, and the NF-kB complex, were found to have characteristics of being key proteins in the network. The differential protein expressions we observed may reflect pleiotropic actions of rt-PA after experimental stroke, and shine light on the mechanisms of rt-PA's adverse effects. This may have important implications in clinical settings where thrombolytic therapy is used to treat AIS.

Citing Articles

Proteomic advance of ischemic stroke: preclinical, clinical, and intervention.

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Comprehensive analysis of the cardiac proteome in a rat model of myocardial ischemia-reperfusion using a TMT-based quantitative proteomic strategy.

Lim S, Lee J, Han M Proteome Sci. 2020; 18:2.

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Proteomic-Based Approaches for the Study of Ischemic Stroke.

Li H, You W, Li X, Shen H, Chen G Transl Stroke Res. 2019; 10(6):601-606.

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Proteomic Assessment of iTRAQ-Based NaoMaiTong in the Treatment of Ischemic Stroke in Rats.

Li K, Xian M, Chen C, Liang S, Chen L, Wang S Evid Based Complement Alternat Med. 2019; 2019:5107198.

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