HAMA Interference Kit


Catalog #: K2010009
HAMA Interference Kit is a collection of 6 serum samples aimed at assessing the interference of Human Anti-Mouse Antibodies (HAMA) in immunoassays. The kit includes five HAMA-positive serum samples (PS1 to PS5) with HAMA concentrations up to 200 ng/mL (as established by a HAMA ELISA assay) as well as one HAMA-negative serum sample (NS). This kit is for Research Use Only. This kit is not for diagnostic use.

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HAMA Interference Kit

Lot number: Lot dependent
Expiration date: Lot dependent
Package Size: 1 kit, 6 samples (NS and PS1-PS5)
Other names: Human Anti-mouse Antibodies Interference Kit
Keywords Hama interference Testing, Hama Interference Immunoassays, Hama antibody interference, Hama bridging inference
Concentration:  -20°C. Avoid repeated freeze-thaw.


About HAMA

For decades, immunoassays have relied heavily on mouse antibodies for the detection of various analytes. The accuracy of these assays can, however, suffer dramatically when patient samples contains human anti-mouse antibodies. Indeed, HAMA are often associated with inaccurate results and false positives because they can bind to both capture and detection antibodies and can generate non-specific immunoassay signals. This so-called HAMA problem is especially noticeable in patients receiving mouse antibodies therapies. Assessing the tolerance of an immunoassay to HAMA is a corner stone in assay development.


  • Reinsberg J. (1996). Different efficacy of various blocking reagents to eliminate interferences by human antimouse antibodies with a two-site immunoassay. Clin Biochem. 1996 Apr;29(2):145-8.
  • Bolstad N, Warren DJ, Nustad K. Heterophilic antibody interference in immunometric assays. Best Pract Res Clin Endocrinol Metab. 2013 Oct;27(5):647-61.
  • Lippi G, Aloe R, Meschi T, Borghi L, Cervellin G. Interference from heterophilic antibodies in troponin testing. Case report and systematic review of the literature. Clin Chim Acta. 2013 Nov 15;426:79-84.
  • Kawasaki H, Suzuki T, Ito K, Takahara T, Goto-Inoue N, Setou M, Sakata K, Ishida N. Minos-insertion mutant of the Drosophila GBA gene homologue showed abnormal phenotypes of climbing ability, sleep and life span with accumulation of hydroxy-glucocerebroside. Gene. 2017 May 30;614:49-55.
  • Hull B. Aberrantly elevated TSH level due to human anti-mouse antibodies (HAMA) interference with thyrotropin assay. J S C Med Assoc. 2012 Feb;108(1):12-3.
  • Degn SE, Andersen SH, Jensen L, Thiel S, Jensenius JC. Assay interference caused by antibodies reacting with rat kappa light-chain in human sera. J Immunol Methods. 2011 Sep 30;372(1-2):204-8.

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Additional information

Weight 48 oz
Dimensions 8 × 7 × 6 in

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