Albumin cobalt binding (ACB) test: its role as a novel marker of acute coronary syndrome.

Suzanna Immanuel, Arief Indra Sanjaya

Research output: Contribution to journalReview articlepeer-review

12 Citations (Scopus)

Abstract

The biochemical marker of myocardial ischemia is detected prior to the development of myocardial necrosis, i.e. a novel biochemical evaluation based on human serum albumin binding to cobalt, a transitional metal. The evaluation is known as Albumin Cobalt Binding (ACB) Test. ACB Test is applied to detect the presence of Ischemia Modified Albumin (IMA), an albumin which has altered binding capacity to bind metal ion such as cobalt (Co), copper (Cu) and nickel (Ni) in N-terminus region. It is produced when the serum albumin convenes with ischemic heart tissues. ACB Test detecting the presence of myocardial ischemia that occurs prior to myocardial necrosis has been studied by some researchers and they found an ACB increase prior to troponin increase. The cut off point of ACB evaluation was 85 U/ml. Provided that the value was greater than 85 U/ml then there was positive myocardial ischemia. But it should be noticed that IMA increase in the plasma may be due to other tissues such as gastrointestinal tissues or skeletal muscles tissues. We should also consider other factors which may affect the evaluation result such as severe hypoalbuminemia that will cause a false-high result. ACB Test may be used as an early marker of myocardial ischemia that occurs prior to myocardial necrosis.

Original languageEnglish
Pages (from-to)92-96
Number of pages5
JournalActa medica Indonesiana
Volume38
Issue number2
Publication statusPublished - 1 Jan 2006

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