Cited by 31Biomarkers in Disease MechanismsAtherosclerosis and Cardiovascular DiseasesLipoproteins and Cardiovascular Health

Different Distribution of Pentraxin 3 and C-Reactive Protein in Coronary Atherosclerotic Plaques

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Matsuura, Yunosuke, Hatakeyama, Kinta, Imamura, Takuroh, Tsuruda, Toshihiro, Shibata, Yoshisato, Kodama, Tatsuhiko, Kitamura, Kazuo, Asada, Yujiro·2012·Journal of Atherosclerosis and Thrombosis

Abstract

AIM: To understand the differences between histopathological characteristics related to PTX3 (pentraxin 3) and CRP (C-reactive protein) in coronary atherosclerotic plaques. METHODS AND RESULTS: To assess the localization of PTX3 and CRP in coronary plaque, immunohistochemistry was performed using 157 coronary artery specimens from 45 autopsied cases. Overall, immunoreactivity to CRP was more intense than that to PTX3 in lipid rich plaque; however, PTX3 was notably abundant in areas of intraplaque hemorrhage, in which CRP was quite sparse. On quantitative analysis, complicated plaques showed more immunopositive area of PTX3 than fibroatheroma, but with CRP, this trend disappeared. In addition, we examined the phenotype of macrophages in PTX3- and CRP-rich areas using CD163 staining (M2 macrophages). Consequently, these areas were differently characterized by the accumulation of macrophages with high and low magnitude of CD163 positivity, respectively. Next, we immunohistochemically investigated relationships among PTX3, CRP, histological components and clinical presentation in 73 coronary atherectomy specimens obtained from 35 and 38 patients with unstable (UAP) and stable angina pectoris (SAP), respectively. Both PTX3 and CRP were more intense in culprit plaques from patients with UAP than with SAP, and they significantly correlated with CD68 (pan macrophage)-positive areas; however, there was no correlation between PTX3 and CRP. CONCLUSION: Although PTX3 and CRP were more enhanced in unstable than in stable coronary plaques, their distribution distinctly differed, suggesting that they play distinct biological roles in unstable plaques.

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Research works printed but not linked: 3

  1. Libby P, Ridker PM, Hansson GK: Inflammation in ath- erosclerosis: from pathophysiology to practice. J Am Coll Cardiol, 2009; 54: 2129-2138
  2. Boyle JJ, Harrington HA, Piper E, Elderfield K, Stark J, Landis RC, Haskard DO: Coronary intraplaque hemor- rhage evokes a novel atheroprotective macrophage pheno- type. Am J Pathol, 2009; 174: 1097-1108
  3. Polentarutti N, Picardi G, Basile A, Cenzuales S, Rivolta A, Matteucci C, Peri G, Mantovani A, Introna M: Inter- feron-gamma inhibits expression of the long pentraxin PTX3 in human monocytes. Eur J Immunol, 1998; 28: 496-501

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Authors
Matsuura, Y., Hatakeyama, K., Imamura, T., Tsuruda, T., Shibata, Y., Kodama, T., Kitamura, K., & Asada, Y.
Affiliations
  • University of Miyazaki (JP)
  • Miyazaki Medical Association Hospital (JP)
  • Research Center for Advanced Science and Technology, The University of Tokyo (JP)
Venue
Journal of Atherosclerosis and Thrombosis
Published
2012
Volume
19
Issue
9
Pages
837-845
ISSN
  • 1340-3478 (ISSN-L)
  • 1880-3873
OpenAlex
W2086611357
Cited by
31
References
36
Citations by year
2025: 2 · 2024: 4 · 2023: 1 · 2022: 2 · 2020: 3 · 2019: 3 · 2018: 1 · 2017: 2 · 2016: 2 · 2015: 3 · 2014: 4 · 2013: 3 · 2012: 1
FWCI
1.53
Type
journal article
Language
en
Open access
Licence
cc-by-nc-sa
Locations
  • Journal of Atherosclerosis and Thrombosis (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
Funders
Japan Society for the Promotion of Science (20590344, 23390084)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Biomarkers in Disease Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
Keywords
pentraxin 3, C-reactive protein, coronary plaque, intraplaque hemorrhage, lipid-rich plaque, fibroatheroma, M2 macrophages, CD163, CD68, unstable angina, stable angina, culprit plaque, inflammation in atherosclerosis
MeSH terms
CD163 Antigen, Pentraxins, Serum Amyloid P-Component, Angina, Unstable, Autopsy, C-Reactive Protein, Coronary Artery Disease, Female, Humans, Immunoenzyme Techniques, Male, Middle Aged, Receptors, Cell Surface, Antigens, Differentiation, Myelomonocytic, Antigens, CD, Atherectomy, Coronary, Plaque, Atherosclerotic, Angina, Stable

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