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Kinetic alterations of collagen and elastic fibres and their association with cardiac function in acute myocardial infarction

  • Authors:
    • Yuexin Yu
    • Guotian Yin
    • Shisan Bao
    • Zhikun Guo
  • View Affiliations / Copyright

    Affiliations: Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China, Department of Cardiology, Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China, Discipline of Pathology, School of Medical Sciences and Bosch Institute, Sydney Medical School, The University of Sydney, Sydney, New South Wales 2006, Australia
    Copyright: © Yu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 3519-3526
    |
    Published online on: December 27, 2017
       https://doi.org/10.3892/mmr.2017.8347
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Abstract

The present study aimed to investigate kinetic alterations of collagen and elastic fibres and their association with cardiac function in the acute myocardial infarction (AMI) heart. AMI was generated in Sprague-Dawley rats by ligation of the left anterior descending coronary artery. Cardiac function was determined using B‑ultrasonography, AMI was verified using histopathology. The kinetics of collagen type I/III and elastic fibre were evaluated using immunohistochemistry and western blotting at 1 week (1 w), 2 weeks (2 w), 3 weeks (3 w) and 4 weeks (4 w) post‑AMI. Cardiac function was decreased by 78, 70, 50 and 38% at weeks 1, 2, 3 or 4 post‑AMI, respectively, compared with the normal heart. Elastic fibre was decreased gradually, demonstrating alterations of 2, 77, 86 or 97% reduction, respectively, at weeks 1, 2, 3 or 4 in the AMI heart. Collagen I fibre was increased 1.4‑, 1.5‑, 2.9‑ or 3.9‑fold at weeks 1, 2, 3 or 4 respectively, compared with the normal heart. Similarly, collagen III was increased 1.2‑, 1.7‑, 2.8‑ or 3.9‑fold, following AMI. Kinetics of increased collagen I/III, in combination with decreased elastic fibre in infarcted area following AMI, provided evidence that compromised cardiac function following AMI was due to graduate wound healing/scar formation in the infarcted zone, increased stiffness and reduced flexibility of the heart.
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Copy and paste a formatted citation
Spandidos Publications style
Yu Y, Yin G, Bao S and Guo Z: Kinetic alterations of collagen and elastic fibres and their association with cardiac function in acute myocardial infarction. Mol Med Rep 17: 3519-3526, 2018.
APA
Yu, Y., Yin, G., Bao, S., & Guo, Z. (2018). Kinetic alterations of collagen and elastic fibres and their association with cardiac function in acute myocardial infarction. Molecular Medicine Reports, 17, 3519-3526. https://doi.org/10.3892/mmr.2017.8347
MLA
Yu, Y., Yin, G., Bao, S., Guo, Z."Kinetic alterations of collagen and elastic fibres and their association with cardiac function in acute myocardial infarction". Molecular Medicine Reports 17.3 (2018): 3519-3526.
Chicago
Yu, Y., Yin, G., Bao, S., Guo, Z."Kinetic alterations of collagen and elastic fibres and their association with cardiac function in acute myocardial infarction". Molecular Medicine Reports 17, no. 3 (2018): 3519-3526. https://doi.org/10.3892/mmr.2017.8347
Copy and paste a formatted citation
x
Spandidos Publications style
Yu Y, Yin G, Bao S and Guo Z: Kinetic alterations of collagen and elastic fibres and their association with cardiac function in acute myocardial infarction. Mol Med Rep 17: 3519-3526, 2018.
APA
Yu, Y., Yin, G., Bao, S., & Guo, Z. (2018). Kinetic alterations of collagen and elastic fibres and their association with cardiac function in acute myocardial infarction. Molecular Medicine Reports, 17, 3519-3526. https://doi.org/10.3892/mmr.2017.8347
MLA
Yu, Y., Yin, G., Bao, S., Guo, Z."Kinetic alterations of collagen and elastic fibres and their association with cardiac function in acute myocardial infarction". Molecular Medicine Reports 17.3 (2018): 3519-3526.
Chicago
Yu, Y., Yin, G., Bao, S., Guo, Z."Kinetic alterations of collagen and elastic fibres and their association with cardiac function in acute myocardial infarction". Molecular Medicine Reports 17, no. 3 (2018): 3519-3526. https://doi.org/10.3892/mmr.2017.8347
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