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Clinical significance of costimulatory molecules CD40/CD40L and CD134/CD134L in coronary heart disease: A

Jun Chen1, Jian-Hao Li, Shan-Jun Zhao

  • 1Department of Cardiovascular Medicine, Guangzhou Panyu Central Hospital, Panyu District Cardiovascular Disease Research Institute of Guangzhou, Guangzhou, P.R. China.

Medicine
|August 11, 2017
PubMed

Insights

Increased expression of CD40/CD40 ligand and CD134/CD134 ligand was observed in coronary heart disease (CHD) patients. These costimulatory molecules may correlate with clinical features, suggesting a potential role in CHD development.

Area of Science:

  • Immunology
  • Cardiology
  • Molecular Biology

Background:

  • Coronary heart disease (CHD) pathogenesis involves complex immune and molecular mechanisms.
  • Costimulatory molecules like CD40/CD40 ligand (CD40L) and CD134/CD134 ligand (CD134L) play roles in immune responses and inflammation.

Purpose of the Study:

  • To investigate the potential involvement of CD40/CD40L and CD134/CD134L in the development of CHD.
  • To correlate the expression of these molecules with clinical and pathological features in CHD patients.

Main Methods:

  • A case-control study involving 234 CHD patients and 120 healthy controls.
  • Analysis of peripheral blood mononuclear cells (PBMCs) using real-time quantitative PCR (qRT-PCR), Western blot, immunohistochemistry, and flow cytometry.
  • Detection of mRNA levels for CD40/CD40L, CD134/CD134L, intercellular adhesion molecule-1 (ICAM-1), and Fas protein.

Main Results:

  • Significantly elevated mRNA and protein expression levels of CD40/CD40L and CD134/CD134L were found in CHD patients compared to controls.
  • Elevated ICAM-1 and Fas protein mRNA levels were observed in CHD patients and correlated positively with CD40/CD40L and CD134/CD134L expression.
  • CD134/CD134L expression was higher in male patients and those with a history of hypertension, diabetes, or cerebrovascular diseases.

Conclusions:

  • CD40/CD40L and CD134/CD134L expression are increased in patients with CHD.
  • These costimulatory molecules may be associated with specific clinical pathological features of CHD.
  • Further research, including in vivo and in vitro studies, is warranted to elucidate the precise mechanisms and therapeutic potential of targeting these molecules in CHD.

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