Clerodendron glandulosum.Coleb leaf extract attenuates in vitro macrophage differentiation and expression of VCAM-1 and P-selectin in thoracic aorta of atherogenic diet fed rats

Ravirajsinh N. Jadeja, Menaka Thounaojam, Mahendra Jain, Ranjisinh V. Devkar, A. V. Ramachandran

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Present inventory evaluates the anti-atherogenic potential of C. glandulosum.Coleb leaf extract (CG) using in vivo and in vitro experimental models. Serum markers of low density lipoprotein (LDL-C) oxidation, cholesterol, triglycerides, lipoproteins, auto-antibody titer, ex vivo LDL-C oxidation, LDL-C aggregation, aortic lipids, histopathological evaluations and immunolocalization of macrophage surface marker (F4/80), vascular cell adhesion molecule-1 (VCAM-1) and P-selectin were performed in CON [rats treated with single dose of saline (i.p.) and fed with laboratory chow], ATH [rats treated with single dose of vitamin D3 (600,000 IU, i.p) and fed with atherogenic diet] and ATH+CG [rats treated with single dose of vitamin D3 (600,000 IU, i.p.) and fed with atherogenic diet and simultaneously treated with 200mg/kg CG extract, p.o.] for 8 weeks. CG extract supplementation to atherogenic diet fed rats significantly prevented increment in serum cholesterol, triglycerides, and lipoproteins, markers of LDL-C oxidation, auto-antibody titer and aortic lipids. Also, LDL-C isolated from ATH+CG rats recorded mimimal aggregation and susceptibility to undergo ex vivo LDL-C oxidation. Microscopic evaluation of thoracic aorta of ATH+CG rats reveled prevention of atheromatous plaque formation, accumulation of lipid laden macrophages, calcium deposition, distortion/defragmentation of elastin, accumulation of macrophages and, down regulation of cell adhesion molecules (VCAM-1 and P-selectin) expression. Further, in vitro monocyte to macrophage differentiation was significantly attenuated in presence of CG extract (200 μg/mL). It can be concluded from the present study that, CG extract is capable of controlling induction of experimental atherosclerosis and warrants further scrutiny at the clinical level as a possible therapeutic agent.

Original languageEnglish (US)
Pages (from-to)443-453
Number of pages11
JournalImmunopharmacology and Immunotoxicology
Volume34
Issue number3
DOIs
StatePublished - Jun 1 2012
Externally publishedYes

Fingerprint

Clerodendrum
Atherogenic Diet
P-Selectin
Vascular Cell Adhesion Molecule-1
Macrophages
Nutrition
Thoracic Aorta
Rats
Oxidation
Cholecalciferol
Lipids
Lipoproteins
Triglycerides
Agglomeration
Cholesterol
Elastin
Antibodies
Cell adhesion
Cell Adhesion Molecules
Atherosclerotic Plaques

Keywords

  • Atherosclerosis
  • Cell adhesion molecules
  • Clerodendron glandulosum.Coleb
  • Histopathology
  • LDL-C oxidation

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Toxicology
  • Pharmacology

Cite this

Clerodendron glandulosum.Coleb leaf extract attenuates in vitro macrophage differentiation and expression of VCAM-1 and P-selectin in thoracic aorta of atherogenic diet fed rats. / Jadeja, Ravirajsinh N.; Thounaojam, Menaka; Jain, Mahendra; Devkar, Ranjisinh V.; Ramachandran, A. V.

In: Immunopharmacology and Immunotoxicology, Vol. 34, No. 3, 01.06.2012, p. 443-453.

Research output: Contribution to journalArticle

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AU - Ramachandran, A. V.

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