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Cardioprotective Effect of Β-D-Mannuronic Acid (M2000) As a Novel Nsaid on Gene Expression of Oxldl Scavenger Receptors in the Experimental Diabetic Model Publisher Pubmed



Mortazavijahromi SS1, 2 ; Alizadeh S3 ; Javanbakht MH3 ; Mirshafiey A1
Authors
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Authors Affiliations
  1. 1. Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Cellular and Molecular Biology, Kish International Campus, University of Tehran, Kish, Iran
  3. 3. Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran

Source: Immunopharmacology and Immunotoxicology Published:2018


Abstract

Context: The investigations have shown that patients with diabetes have the elevated levels of glucose and oxLDL. These two play an important role in increased expression levels of oxLDL scavenger receptors on the surface of macrophages and endothelial cells that leads to deposition of oxLDL and macrophages in vascular walls. Objective: The present study intends to show the effects of β-d-mannuronic acid (M2000) on the expression profile of ox-LDL scavenger receptors (including SR-A, LOX-1, CD36, and CD68) in an experimental model of diabetes. Materials and methods: Eighteen Sprague-Dawley rats were randomly divided into three 6-member groups of the healthy control, diabetic control, and treated rats by M2000. Diabetes was induced in rats by intraperitoneal (IP) administration of 60 mg/kg streptozotocin. The treated rats were given daily intraperitoneal injections of M2000 with a dose of 25 mg/kg for 28 days and at the end of the 28th day, their aortas were removed. The qRT-PCR technique was then used to evaluate the expression levels of the proposed gene. Results: The gene expression levels of the SR-A, LOX-1, CD36, and CD68 significantly declined in the diabetic group that received M2000 compared with untreated diabetic rats. Conclusions: The M2000, as a novel NSAID is able to modify by lowering the gene expression levels of SR-A, LOX-1, CD36, and CD68 in treated rats compared to the untreated diabetic group, which may play an important role in preventing the complications that could lead to a cardioprotective efficacy. © 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group.
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