Laboratory Medicine ›› 2016, Vol. 31 ›› Issue (11): 1002-1010.DOI: 10.3969/j.issn.1673-8640.2016.011.017

• Orginal Article • Previous Articles    

CX3CL1 and CX3CR1 in lesion mechanism of atherosclerotic heart diseases

LI Yongshu1, ZHANG Baohuan2, JIA Kegang1, LIU Junfeng1   

  1. 1. Department of Clinical Laboratory,TEDA International Cardiovascular Hospital,Chinese Academy of Medical Sciences and Peking Union Medical College,Tianjin 300457,China
    2. College of Medical Laboratory Science,Tianjin Medical University,Tianjin 300203,China
  • Received:2016-06-08 Online:2016-11-30 Published:2016-12-22

Abstract:

Fractalkine(CX3CL1) and its specific receptor CX3C chemokine receptor1(CX3CR1),CX3CL1-CX3CR1 axis are all involved in the formation and development of atherosclerosis,which change the plaque composition and stability of plaques. CX3CR1 V249I and CX3CR1 T280M are associated with coronary artery lesions. In atherosclerotic plaque,CX3CL1 and CX3CR1 were expressed by vascular smooth muscle cells(VSMC) and monocytes/macrophages. Interaction between vascular smooth muscle cells(VSMC) and monocyte needs CX3CL1-CX3CR1 axis,and this mutual effect regulates the survival and differentiation of monocyte. Through a series of mechanism,such as involved nuclear factor-kappa B(NF-κB),activated protein-1(AP-1) and signal transducers and activators of transcription(STAT) 1/STAT3,resistin up-regulates the expressions of CX3CL1 and CX3CR1,and generates pro-inflammatory state of smooth muscle cells. Serum CX3CL1 level is increased in patients with unstable coronary artery diseases and patients with severe coronary artery lesions. Serum CX3CR1 level is increased in patients with coronary artery stenosis,which is not associated with the degree of coronary artery stenosis. The related study on CX3CL1/CX3CR1 shows the potential mechanism and pathogenicity effect of some inflammatory mediators in atherosclerotic heart diseases,so as to provide a reference for clinical treatment strategies and drug intervention studies.

Key words: Fractalkine, CX3C chemokine receptor 1, Atherosclerosis, Coronary artery diseases, Monocytes

CLC Number: