ALT - (Alanine aminotransferase)

Labkit

IFCC | Kinetic UV

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Alanine aminotransferase is an enzyme produced mainly in the liver and much smaller amounts in the kidneys, heart, muscles, and pancreas. When serum activity is measured, it provides a marker of hepatic disease. It is also called alanine aminotransferase (ALAT) and was formerly called serum glutamate-pyruvate transaminase or serum glutamic-pyruvic transaminase (SGPT). The enzyme is primarily cytosolic, with an isoenzyme (ALT2) also found in mitochondria, and is predominantly found in the periportal zone of the liver with a hepatocyte concentration up to 10,000 times that found in serum/plasma. It has a primary role in gluconeogenesis and amino acid metabolism.

 

ALT concentration is increased when hepatic cells are damaged (liver cell necrosis or injury of any cause). Indeed, viral and toxic hepatitis induce a marked elevation of ALT activity in serum. Intake of alcohol, delirium tremens, and administration of various drug induce slight or moderate elevation of ALT. ALT concentration in serum is also slightly increased in various conditions such as: muscular dystrophy, haemolytic disease, myocardial infarction. The magnitude of serum activity elevation is proportional to the number of affected hepatocytes, and marked increases will reflect irreversible cell damage and necrosis, while mild increases may indicate mostly membrane blebbing and reversible cell damage.

 

ALT is more liver specific than AST. Measurement of both AST and ALT has some value in distinguishing hepatitis from other parenchymal lesions. ALT is also measured in conjunction with AST as an aid in the diagnosis of myocardial infarctions, since the value of the ALT stays within the normal limits in the presence of elevated levels of AST.

Product Features:

 

  • IFCC - Liquid reagents without pyridoxal 5’ phosphate.
  • Both ready to use reagents as well as lyophilized reagents for different customers’ choice.
  • Programmable on most of the fully automated biochemistry analyzers.
  • Longer working reagent stability ≥ 21 days at 2-8°C. / 72 hours at R.T, making it ideal for semiautomatic instrument users.
  • Longer working reagent stability ≥ 21 days at 2-8°C. / 5 days at R.T, making it more suitable for semiautomatic instrument users with very less workload (prdt. code 30250,51 and 52)
  • AMR = 0~400 iU/L.
  • No significant interference with other serum analytes.
  • First party controls and calibrators are available on additional cost.

 

Product Code

Description

Pack Size

Standard/Control

 

 

30250

Generic kit

20 x 2mL  (Tablet format)

30251

Generic kit

15 x 15mL  (Tablet format)

30252

Generic kit

9 x 50mL  (Tablet format)

30253/s

Generic kit

R1=1 x 40mL   R2=1 x 10mL

30253

Generic kit

R1=1 x 100mL   R2=1 x 25mL

30254

Generic kit

R1=1 x 200mL   R2=1 x 50mL

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