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Atorvastatin Calcium Inhibits PDGF-ββ-Induced Proliferation and Migration of VSMCs Through the G0/G1 Cell Cycle Arrest and Suppression of Activated PDGFRβ-PI3K-Akt Signaling Cascade

Background/Aims: Abnormal proliferation of vascular smooth muscle cells (VSMCs) is a hallmark of vascular lesions, such as atherosclerosis and restenosis. PDGF-ββ, an isoform of PDGF (platelet-derived growth factor), has been demonstrated to induce proliferation and migration of VSMCs. Atorvastatin... Full description

Journal Title: Cellular Physiology and Biochemistry 01 November 2017, Vol.44(1), pp.215-228
Main Author: Shuang Chen
Other Authors: Siyuan Dong , Zhao Li , Xiaofan Guo , Naijin Zhang , Bo Yu , Yingxian Sun
Format: Electronic Article Electronic Article
Language: English
Subjects:
Akt
ID: ISSN: 1015-8987 ; E-ISSN: 1421-9778 ; DOI: 10.1159/000484648
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title: Atorvastatin Calcium Inhibits PDGF-ββ-Induced Proliferation and Migration of VSMCs Through the G0/G1 Cell Cycle Arrest and Suppression of Activated PDGFRβ-PI3K-Akt Signaling Cascade
format: Article
creator:
  • Shuang Chen
  • Siyuan Dong
  • Zhao Li
  • Xiaofan Guo
  • Naijin Zhang
  • Bo Yu
  • Yingxian Sun
subjects:
  • Vascular Smooth Muscle Cells
  • Pdgf-Ββ
  • Atorvastatin Calcium
  • Akt
  • Biology
  • Chemistry
ispartof: Cellular Physiology and Biochemistry, 01 November 2017, Vol.44(1), pp.215-228
description: Background/Aims: Abnormal proliferation of vascular smooth muscle cells (VSMCs) is a hallmark of vascular lesions, such as atherosclerosis and restenosis. PDGF-ββ, an isoform of PDGF (platelet-derived growth factor), has been demonstrated to induce proliferation and migration of VSMCs. Atorvastatin calcium, a selective inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase, has favorable protective effects on VSMCs. This study examined the effects of atorvastatin calcium on the proliferation and migration of PDGF-ββ-treated VSMCs, as well as its underlying mechanisms. Methods: MTT assays, Edu imaging, cell cycle analysis, wound healing assays, transwell migration assays, and western blot analysis were performed. Results: Atorvastatin calcium significantly inhibited cell proliferation, DNA synthesis and cell migration of PDGF-ββ-treated VSMCs. We demonstrated that atorvastatin calcium induced cell cycle arrest in the G0/G1 phase in response to PDGF-ββ stimulation and decreased the expression of G0/G1-specific regulatory proteins, including proliferating cell nuclear antigen (PCNA), CDK2, cyclin D1, cyclin E and CDK4 in PDGF-ββ-treated VSMCs. Moreover, pretreatment with atorvastatin calcium inhibited the PDGF-ββ-treated phosphorylation of PDGFRβ and Akt, whereas atorvastatin calcium did not affect the phosphorylation of PLC-γ1 or (ERK) 1/2. Conclusion: Our data suggested that atorvastatin calcium inhibited abnormal proliferation and migration of VSMCs through G0/G1 cell cycle arrest and suppression of the PDGFRβ-Akt signaling cascade.
language: eng
source:
identifier: ISSN: 1015-8987 ; E-ISSN: 1421-9778 ; DOI: 10.1159/000484648
fulltext: fulltext_linktorsrc
issn:
  • 1015-8987
  • 10158987
  • 1421-9778
  • 14219778
url: Link


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titleAtorvastatin Calcium Inhibits PDGF-ββ-Induced Proliferation and Migration of VSMCs Through the G0/G1 Cell Cycle Arrest and Suppression of Activated PDGFRβ-PI3K-Akt Signaling Cascade
creatorShuang Chen ; Siyuan Dong ; Zhao Li ; Xiaofan Guo ; Naijin Zhang ; Bo Yu ; Yingxian Sun
ispartofCellular Physiology and Biochemistry, 01 November 2017, Vol.44(1), pp.215-228
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subjectVascular Smooth Muscle Cells ; Pdgf-Ββ ; Atorvastatin Calcium ; Akt ; Biology ; Chemistry
descriptionBackground/Aims: Abnormal proliferation of vascular smooth muscle cells (VSMCs) is a hallmark of vascular lesions, such as atherosclerosis and restenosis. PDGF-ββ, an isoform of PDGF (platelet-derived growth factor), has been demonstrated to induce proliferation and migration of VSMCs. Atorvastatin calcium, a selective inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase, has favorable protective effects on VSMCs. This study examined the effects of atorvastatin calcium on the proliferation and migration of PDGF-ββ-treated VSMCs, as well as its underlying mechanisms. Methods: MTT assays, Edu imaging, cell cycle analysis, wound healing assays, transwell migration assays, and western blot analysis were performed. Results: Atorvastatin calcium significantly inhibited cell proliferation, DNA synthesis and cell migration of PDGF-ββ-treated VSMCs. We demonstrated that atorvastatin calcium induced cell cycle arrest in the G0/G1 phase in response to PDGF-ββ stimulation and decreased the expression of G0/G1-specific regulatory proteins, including proliferating cell nuclear antigen (PCNA), CDK2, cyclin D1, cyclin E and CDK4 in PDGF-ββ-treated VSMCs. Moreover, pretreatment with atorvastatin calcium inhibited the PDGF-ββ-treated phosphorylation of PDGFRβ and Akt, whereas atorvastatin calcium did not affect the phosphorylation of PLC-γ1 or (ERK) 1/2. Conclusion: Our data suggested that atorvastatin calcium inhibited abnormal proliferation and migration of VSMCs through G0/G1 cell cycle arrest and suppression of the PDGFRβ-Akt signaling cascade.
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Background/Aims: Abnormal proliferation of vascular smooth muscle cells (VSMCs) is a hallmark of vascular lesions, such as atherosclerosis and restenosis. PDGF-ββ, an isoform of PDGF (platelet-derived growth factor), has been demonstrated to induce proliferation and migration of VSMCs. Atorvastatin calcium, a selective inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase, has favorable protective effects on VSMCs. This study examined the effects of atorvastatin calcium on the proliferation and migration of PDGF-ββ-treated VSMCs, as well as its underlying mechanisms. Methods: MTT assays, Edu imaging, cell cycle analysis, wound healing assays, transwell migration assays, and western blot analysis were performed. Results: Atorvastatin calcium significantly inhibited cell proliferation, DNA synthesis and cell migration of PDGF-ββ-treated VSMCs. We demonstrated that atorvastatin calcium induced cell cycle arrest in the G0/G1 phase in response to PDGF-ββ stimulation and decreased the expression of G0/G1-specific regulatory proteins, including proliferating cell nuclear antigen (PCNA), CDK2, cyclin D1, cyclin E and CDK4 in PDGF-ββ-treated VSMCs. Moreover, pretreatment with atorvastatin calcium inhibited the PDGF-ββ-treated phosphorylation of PDGFRβ and Akt, whereas atorvastatin calcium did not affect the phosphorylation of PLC-γ1 or (ERK) 1/2. Conclusion: Our data suggested that atorvastatin calcium inhibited abnormal proliferation and migration of VSMCs through G0/G1 cell cycle arrest and suppression of the PDGFRβ-Akt signaling cascade.

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Background/Aims: Abnormal proliferation of vascular smooth muscle cells (VSMCs) is a hallmark of vascular lesions, such as atherosclerosis and restenosis. PDGF-ββ, an isoform of PDGF (platelet-derived growth factor), has been demonstrated to induce proliferation and migration of VSMCs. Atorvastatin calcium, a selective inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase, has favorable protective effects on VSMCs. This study examined the effects of atorvastatin calcium on the proliferation and migration of PDGF-ββ-treated VSMCs, as well as its underlying mechanisms. Methods: MTT assays, Edu imaging, cell cycle analysis, wound healing assays, transwell migration assays, and western blot analysis were performed. Results: Atorvastatin calcium significantly inhibited cell proliferation, DNA synthesis and cell migration of PDGF-ββ-treated VSMCs. We demonstrated that atorvastatin calcium induced cell cycle arrest in the G0/G1 phase in response to PDGF-ββ stimulation and decreased the expression of G0/G1-specific regulatory proteins, including proliferating cell nuclear antigen (PCNA), CDK2, cyclin D1, cyclin E and CDK4 in PDGF-ββ-treated VSMCs. Moreover, pretreatment with atorvastatin calcium inhibited the PDGF-ββ-treated phosphorylation of PDGFRβ and Akt, whereas atorvastatin calcium did not affect the phosphorylation of PLC-γ1 or (ERK) 1/2. Conclusion: Our data suggested that atorvastatin calcium inhibited abnormal proliferation and migration of VSMCs through G0/G1 cell cycle arrest and suppression of the PDGFRβ-Akt signaling cascade.

pubCell Physiol Biochem Press GmbH & Co KG
doi10.1159/000484648
oafree_for_read
date2017-11-01