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3.) Isoenzymes of alkaline phosphatase: [7] Six isoenzymes have been identified. The enzyme is a monomer, the isoenzymes are due to the differences in the carbohydrate content (sialic acid residues). The most important ALP isoenzymes are α 1-ALP, α 2-heat labile ALP, α 2-heat stable ALP, pre-β ALP and γ-ALP.
Glycogen phosphorylase isoenzyme BB: 0.854 and 0.767 [12] 7 hours Glycogen phosphorylase isoenzyme BB (abbreviation: GPBB) is one of the three isoforms of glycogen phosphorylase. This isoform of the enzyme exists in cardiac (heart) and brain tissue. Because of the blood–brain barrier, GP-BB can be seen as being specific to heart muscle.
Acid phosphatase (EC 3.1.3.2, systematic name phosphate-monoester phosphohydrolase (acid optimum)) is an enzyme that frees attached phosphoryl groups from other molecules during digestion.
It measures the blood level of CK-MB (creatine kinase myocardial band), the bound combination of two variants (isoenzymes CKM and CKB) of the enzyme phosphocreatine kinase. [citation needed] In some locations, the test has been superseded by the troponin test. However, recently, there have been improvements to the test that involve measuring ...
For more than 15 years cTnI has been known as a reliable marker of cardiac muscle tissue injury. It is considered to be more sensitive and significantly more specific in the diagnosis of myocardial infarction than the "golden marker" of the last decades – CK-MB, as well as total creatine kinase, myoglobin and lactate dehydrogenase isoenzymes.
Tumor M2-PK is a synonym for the dimeric form of the pyruvate kinase isoenzyme type M2 (), a key enzyme within tumor metabolism.Tumor M2-PK can be elevated in many tumor types, rather than being an organ-specific tumor marker such as PSA.
Reaction catalyzed by lactate dehydrogenase. Lactate dehydrogenase catalyzes the interconversion of pyruvate and lactate with concomitant interconversion of NADH and NAD +.It converts pyruvate, the final product of glycolysis, to lactate when oxygen is absent or in short supply, and it performs the reverse reaction during the Cori cycle in the liver.
Glycogen phosphorylase isoenzyme BB (abbreviation: GPBB) is an isoenzyme of glycogen phosphorylase. This isoform of the enzyme exists in cardiac (heart) and brain tissue. The enzyme is one of the "new cardiac markers" which are discussed to improve early diagnosis in acute coronary syndrome.