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Clinical implications of tenascin‑C and OX40 ligand in patients with acute coronary syndrome

  • Authors:
    • Jin‑Hu Yang
    • Feng Ren

  • View Affiliations

  • Published online on: November 4, 2013     https://doi.org/10.3892/br.2013.195
  • Pages: 132-136
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Abstract

Acute coronary syndrome (ACS) typically occurs when coronary artery disease results in the obstruction of the coronary arteries. Tenascin‑C (TNC) and OX40 ligand (OX40L) were shown to be involved in the pathogenesis of atherosclerosis. In this study, 50 healthy controls and 170 patients, including 50 patients with stable angina (SA), 70 with unstable angina and 50 with acute myocardial infarction, were evaluated to assess serum TNC and plasma OX40L levels. The serum TNC levels were measured by a quantitative automated particle‑enhanced immunonephelometric assay. ELISA was used to determine the expression levels of OX40L. All the coronary stenoses with a ≥30% diameter reduction were assessed by angiographic coronary stenosis morphology. The patients with ACS exhibited a significant increase in TNC expression levels (39.39±19.80 ng/ml) compared to the levels in the control and SA groups (28.65±12.32 ng̸ml, P<0.01 and 31.22±18.92 ng/ml, P<0.05, respectively). The levels of OX40L were also found to be higher in patients with ACS (38.59±15.76 ng̸ml) compared to those in the control and SA groups (19.42±11.19 ng̸ml, P<0.001 and 21.52±10.30 ng/ml, P<0.001, respectively). The TNC and OX40L levels were positively correlated with each other (r1=0.68; P<0.001) and with fibrinogen levels (r3=0.76 and r4=0.45, respectively; P<0.001). A positive correlation was also observed between the expression of TNC and OX40L and complex coronary stenosis (r5=0.69 and r6=0.55, respectively; P<0.001). We concluded that TNC and OX40L may act synergistically in coronary plaque formation and may be also be involved in the pathogenesis of coronary lesions. Patients with ACS exhibited increased TNC and OX40L expression levels, which may have created a prothrombotic milieu, aggravating the development of atherosclerosis and the instability of atherosclerotic plaques. Therefore, the expression of TNC and OX40L may be a valuable marker for predicting the severity of ACS.
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January-February 2014
Volume 2 Issue 1

Print ISSN: 2049-9434
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Spandidos Publications style
Yang JH and Yang JH: Clinical implications of tenascin‑C and OX40 ligand in patients with acute coronary syndrome. Biomed Rep 2: 132-136, 2014
APA
Yang, J., & Yang, J. (2014). Clinical implications of tenascin‑C and OX40 ligand in patients with acute coronary syndrome. Biomedical Reports, 2, 132-136. https://doi.org/10.3892/br.2013.195
MLA
Yang, J., Ren, F."Clinical implications of tenascin‑C and OX40 ligand in patients with acute coronary syndrome". Biomedical Reports 2.1 (2014): 132-136.
Chicago
Yang, J., Ren, F."Clinical implications of tenascin‑C and OX40 ligand in patients with acute coronary syndrome". Biomedical Reports 2, no. 1 (2014): 132-136. https://doi.org/10.3892/br.2013.195