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Alanine Aminotransferase (ALT) Enzyme Assay
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Alanine Aminotransferase (ALT) Enzyme Assay

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Questions and Answers

Alanine aminotransferase (ALT) or ______ pyruvate transaminase (GPT) catalyses the reversible transfer of an amino group from alanine to α-ketoglutarate forming glutamate and piruvate.

Glutamate

The piruvate produced is reduced to ______ by lactate dehydrogenase (LDH) and NADH.

lactate

R 1 Buffer ______ pH 7.8 is a reagent used in the method.

TRIS

L-Alanine is a ______ in the reaction.

<p>substrate</p> Signup and view all the answers

The unit of ALT calculated is ______ per liter.

<p>U/L</p> Signup and view all the answers

What is the pH of the Buffer used in the method?

<p>7.8</p> Signup and view all the answers

What is the byproduct of the reversible transfer of an amino group from alanine to α-ketoglutarate?

<p>Glutamate and piruvate</p> Signup and view all the answers

What is the enzyme that reduces piruvate to lactate?

<p>Lactate dehydrogenase (LDH)</p> Signup and view all the answers

What is the calculation used to determine the units of ALT?

<p>ΔA/min x 1750 = U/L of ALT</p> Signup and view all the answers

What is the role of NADH in the reaction?

<p>It is a coenzyme that helps in the reduction of piruvate to lactate</p> Signup and view all the answers

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