• Product name

  • Detection method

  • Precision

    Sample n Mean SD CV%
    Rec protein 6 1.9%
  • Sample type

    Serum, EDTA Plasma
  • Assay type

    Sandwich (quantitative)
  • Sensitivity

    15.2 ng/ml
  • Range

    15.6 ng/ml - 1000 ng/ml
  • Recovery

    Sample specific recovery
    Sample type Average % Range
    Serum 85 78% - 91%
    EDTA Plasma 101 90% - 143%

  • Assay time

    1h 30m
  • Assay duration

    One step assay
  • Species reactivity

    Reacts with: Rat
  • Product overview

    ALT in vitro SimpleStep ELISA® (Enzyme-Linked Immunosorbent Assay) kit is designed for the quantitative measurement of ALT protein in rat serum and plasma.

    The SimpleStep ELISA® employs an affinity tag labeled capture antibody and a reporter conjugated detector antibody which immunocapture the sample analyte in solution. This entire complex (capture antibody/analyte/detector antibody) is in turn immobilized via immunoaffinity of an anti-tag antibody coating the well. To perform the assay, samples or standards are added to the wells, followed by the antibody mix. After incubation, the wells are washed to remove unbound material. TMB Development Solution is added and during incubation is catalyzed by HRP, generating blue coloration. This reaction is then stopped by addition of Stop Solution completing any color change from blue to yellow. Signal is generated proportionally to the amount of bound analyte and the intensity is measured at 450 nm. Optionally, instead of the endpoint reading, development of TMB can be recorded kinetically at 600 nm.

    ALT is aminotransferase that plays a key role in metabolism. It forms pyruvate through the reversible transamination of alanine and 2-oxoglutarate; this reaction is pivotal for gluconeogenesis and amino acid degradation. It is part of a key blood panel diagnostic that is indicative of liver health.

  • Tested applications

    Suitable for: Sandwich ELISAmore details
  • Platform

    Pre-coated microplate (12 x 8 well strips)


  • Storage instructions

    Store at +4°C. Please refer to protocols.
  • Components 1 x 96 tests
    10X Rat ALT Capture Antibody 1 x 600µl
    10X Rat ALT Detector Antibody 1 x 600µl
    10X Wash Buffer PT (ab206977) 1 x 20ml
    50X Cell Extraction Enhancer Solution (ab193971) 1 x 1ml
    Antibody Diluent 4BR 1 x 6ml
    Plate Seals 1 unit
    Rat ALT Lyophilized Recombinant Protein 2 vials
    Sample Diluent NS (ab193972) 1 x 50ml
    SimpleStep Pre-Coated 96-Well Microplate (ab206978) 1 unit
    Stop Solution 1 x 12ml
    TMB Development Solution 1 x 12ml
  • Research areas

  • Function

    Catalyzes the reversible transamination between alanine and 2-oxoglutarate to form pyruvate and glutamate. Participates in cellular nitrogen metabolism and also in liver gluconeogenesis starting with precursors transported from skeletal muscles.
  • Tissue specificity

    Liver, kidney, heart, and skeletal muscles. Expressed at moderate levels in the adipose tissue.
  • Pathway

    Amino-acid degradation; L-alanine degradation via transaminase pathway; pyruvate from L-alanine: step 1/1.
  • Sequence similarities

    Belongs to the class-I pyridoxal-phosphate-dependent aminotransferase family. Alanine aminotransferase subfamily.
  • Cellular localization

  • Information by UniProt
  • Alternative names

    • AAT1
    • Alanine aminotransferase
    • Alanine aminotransferase 1
    • ALT1
    • Glutamate pyruvate transaminase 1
    • Glutamic alanine transaminase 1
    • Glutamic pyruvate transaminase (alanine aminotransferase)
    • Glutamic pyruvic transaminase 1
    • Glutamic--alanine transaminase 1
    • Glutamic--pyruvic transaminase 1
    • gpt
    • GPT 1
    • GPT1
    see all
  • Database links

Associated products


Our Abpromise guarantee covers the use of ab234579 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
Sandwich ELISA Use at an assay dependent concentration.


  • SimpleStep ELISA technology allows the formation of the antibody-antigen complex in one single step, reducing assay time to 90 minutes. Add samples or standards and antibody mix to wells all at once, incubate, wash, and add your final substrate. See protocol for a detailed step-by-step guide.


  • The ALT standard curve was prepared as described in Section 10.

  • The concentrations of ALT were measured in duplicates, interpolated from the ALT standard curves and corrected for sample dilution. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean ALT concentration was determined to be 81.4 mg/mL in serum and 34.9 mg/mL in plasma-EDTA.



ab234579 has not yet been referenced specifically in any publications.

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