Cited by 21Atherosclerosis and Cardiovascular DiseasesCholesterol and Lipid MetabolismCerebrovascular and Carotid Artery Diseases

HMGA1 proteins in human atherosclerotic plaques

Schlueter, Claudia, Hauke, Sven, Loeschke, Siegfried, Hans Wenk, Heiner, Bullerdiek, Jörn·2005·Pathology - Research and Practice

Abstract

One of the major characteristics of atherosclerosis is the migration of smooth muscle cells (SMC) from the tunica media to the intima, caused by alterations in the environment, e.g. mechanical, chemical, or immunologic injuries of the arterial walls. A group of molecules that may act as a main regulator of SMC phenotype switching is formed by the so-called HMGA1 high-mobility group proteins. One target gene of the HMGA1 protein, playing a major role in the development of atherosclerotic lesions, is CD44. The expression of CD44 is regulated by IL-1beta, but binding of HMGA1 potentiates the transactivation of the CD44 promoter. In this study, the HMGA1 expression of human atherosclerotic plaque samples was examined. Compared to the non-active components, all major components of the well-developed atherosclerotic plaques showed strong positivity of the high-mobility group protein HMGA1 in their activated areas, e.g. neointimal SMCs, macrophages, newly built blood vessels. This report is the first to describe HMGA1 as one of the first mediators in the development of human atherosclerotic plaques.

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Crossref · 10.1016/j.prp.2004.11.010

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  • HMGA1 is a master regulator of the vascular SMC phenotypic switch following vessel wall injury and release of proinflammatory cytokines.

    “The architectural transcription factor HMGA1 is a master regulator of the vascular SMCs phenotypic switch that follows vessel wall injury and release of proinflammatory cytokines [6,190,191].”

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Authors
Schlueter, C., Hauke, S., Loeschke, S., Hans Wenk, H., & Bullerdiek, J.
Affiliations
University of Bremen (DE)
Corresponding author
Bullerdiek, Jörn
Venue
Pathology - Research and Practice
Publisher
Elsevier BV
Published
2005-04
Volume
201
Issue
2
Pages
101-107
ISSN
0344-0338 (ISSN-L)
OpenAlex
W1987684274
Cited by
21
References
27
Citations by year
2025: 1 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 1 · 2018: 3 · 2016: 2 · 2014: 1 · 2013: 1 · 2012: 1
FWCI
0.36
Type
journal article
Language
en
Open access
closed
Locations
  • Pathology - Research and Practice (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cerebrovascular and Carotid Artery Diseases
Keywords
HMGA1, high mobility group proteins, atherosclerosis, atherosclerotic plaque, smooth muscle cell migration, CD44, IL-1β, neointima, macrophages, vascular remodeling, gene expression
MeSH terms
Coronary Artery Disease, Humans, Immunohistochemistry, Muscle, Smooth, Vascular, Blotting, Southern, Biomarkers, Carotid Stenosis, In Situ Hybridization, Reverse Transcriptase Polymerase Chain Reaction, HMGA Proteins, Endothelial Cells

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