Alanine aminotransferase

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Alanine aminotransferase

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(Also called ALT, serum glutamic pyruvic transaminase, and SGPT) A liver enzyme that is usually present in liver and heart cells and plays a distinct role in protein metabolism. Alanine aminotransferase is released into blood when the liver or heart is damaged, and an elevated serum level is a sign of liver or heart damage. Medications can also raise alanine aminotransferase levels.

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