Usefulness of Plasma Tissue Inhibitor of Matrix Metalloproteinase-4 to Predict Death and Myocardial Infarction in Patients With Diabetes Mellitus Referred for Coronary Angiography

Erdal Cavusoglu, John T. Kassotis, Jonathan D. Marmur, Mary Ann Banerji, Sunitha Yanamadala, Vineet Chopra, Ayesha Anwar, Calvin Eng

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

TIMP-4 is the newest member of a family of secreted proteins known as the tissue inhibitors of metalloproteases that selectively inhibit matrix metalloproteases. TIMP-4 is abundantly expressed in human cardiovascular structures and has been implicated in cardiovascular disease. Furthermore, it has also been shown to be a novel target of peroxisome proliferator-activated receptor gamma in rat smooth muscle cells, suggesting a potential role in diabetes mellitus as well. However, there have been no studies that have specifically examined the utility of baseline plasma TIMP-4 levels for the prediction of long-term adverse cardiovascular outcomes. In this study, baseline plasma TIMP-4 levels were measured in 162 male patients with diabetes mellitus who were referred for coronary angiography and followed prospectively for the development of all-cause mortality and enzymatically confirmed myocardial infarction (MI) out to 5 years. After adjustment for a variety of baseline clinical, angiographic and laboratory parameters, plasma TIMP-4 levels were an independent predictor of all-cause mortality (hazard ratio 1.60, 95% CI 1.13 to 2.26; p = 0.0082) and MI (hazard ratio 1.61, 95% CI 1.19 to 2.18; p = 0.0021) at 5 years. Furthermore, in additional multivariate models that adjusted for a variety of biomarkers with established prognostic efficacy, TIMP-4 remained an independent predictor of adverse outcomes. In conclusion, elevated levels of TIMP-4 are associated with an increased risk of long-term all-cause mortality and MI in patients with diabetes mellitus referred for coronary angiography. Moreover, this association is independent of a variety of clinical, angiographic, and laboratory variables, including biomarkers with established prognostic efficacy in the prediction of adverse cardiovascular outcomes.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalAmerican Journal of Cardiology
Volume120
Issue number1
DOIs
StatePublished - 1 Jul 2017
Externally publishedYes

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