Clinica chimica acta; international journal of clinical chemistry · 2011
The clinical implications of increased cyclophilin A levels in patients with acute coronary syndromes.
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Yan Jinchuan, Zang Xuan, Chen Rui, Yuan Wei, Gong Jie, Wang Cuiping, Li Ying
Аннотация
BACKGROUND: Cyclophilin A is a secreted molecule that has a physiological and pathological role in cardiovascular diseases. However, limited information is available on the relationship between cyclophilin A concentration and acute coronary syndromes (ACS). We investigated whether cyclophilin A concentration is related to the stability of coronary atherosclerotic plaque in patients with ACS.
METHODS: This study included normal controls (n=50), patients with stable angina (SA) (n=60) and patients with ACS, including unstable angina (UA) (n=60) and acute myocardial infarction (AMI) (n=90). Serum soluble cyclophilin A, matrix metalloproteinase 9 (MMP-9), MMP-3 and C-reactive protein concentrations (CRP) were measured. All coronary stenosis were assessed by angiographic coronary stenosis morphology.
RESULTS: Serum cyclophilin A concentration in ACS (UA and AMI ) subjects were significantly higher than those in patients with SA and controls (p<0.05). Serum cyclophilin A correlated positively with serum MMP-3 and MMP-9 and CRP in ACS patients(r(1)=0.69, r(2)=0.52, r(3)=0.49 p<0.0001), but not in control. Furthermore, the increased cyclophilin A concentrations was associated with the number of complex coronary stenoses (r(1)=0.63, p<0.0001), but not smooth lesions or stenosis severity, in coronary artery disease patients. Logistic regression analysis also demonstrated that serum cyclophilin A concentration was an independent predictor factor for ACS( OR, 2.721, 95% CI 1.563-4.042, p=0.001).
CONCLUSION: Patients with ACS showed that increased concentrations of cyclophilin A may be a valuable marker for predicting the severity of ACS.
METHODS: This study included normal controls (n=50), patients with stable angina (SA) (n=60) and patients with ACS, including unstable angina (UA) (n=60) and acute myocardial infarction (AMI) (n=90). Serum soluble cyclophilin A, matrix metalloproteinase 9 (MMP-9), MMP-3 and C-reactive protein concentrations (CRP) were measured. All coronary stenosis were assessed by angiographic coronary stenosis morphology.
RESULTS: Serum cyclophilin A concentration in ACS (UA and AMI ) subjects were significantly higher than those in patients with SA and controls (p<0.05). Serum cyclophilin A correlated positively with serum MMP-3 and MMP-9 and CRP in ACS patients(r(1)=0.69, r(2)=0.52, r(3)=0.49 p<0.0001), but not in control. Furthermore, the increased cyclophilin A concentrations was associated with the number of complex coronary stenoses (r(1)=0.63, p<0.0001), but not smooth lesions or stenosis severity, in coronary artery disease patients. Logistic regression analysis also demonstrated that serum cyclophilin A concentration was an independent predictor factor for ACS( OR, 2.721, 95% CI 1.563-4.042, p=0.001).
CONCLUSION: Patients with ACS showed that increased concentrations of cyclophilin A may be a valuable marker for predicting the severity of ACS.