The AlphaLISA® Human IgG4 Pharmacokinetic Detection Kit is designed for the quantitative determination of human IgG4 in monkey serum and other samples, using a homogeneous (no wash steps, no separation steps) assay.
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This kit was developed to measure human IgG4 monoclonal antibodies in rodent and monkey serum (non-human serums) during pharmacokinetic studies. The antibodies were chosen so that the assay shows negligible cross-reactivity with monkey IgG.
Immunoglobulin G (IgG), a major effector molecule of the humoral immune response, accounts for about 75% of the total immunoglobulins in plasma of healthy individuals whereas IgM, IgA, IgD and IgE, each of which has characteristic properties and functions, constitute the remaining 25%. The basic IgG molecule has a four-chain structure, comprising two identical heavy (H) chains and two identical light (L) chains, linked together by inter-chain disulfide bonds. Four IgG subclasses have been identified: IgG1, IgG2, IgG3 and IgG4. Biotherapeutic antibody drugs, usually IgG1 or IgG4 molecules, are becoming increasingly important to treat debilitating diseases such as cancer and autoimmune disorders. Drug levels need to be accurately measured at various stages of drug development, including early antibody discovery, preclinical research in animals, and commercial manufacturing. The present kit permits detection of human IgG1 in different sample matrices, including monkey serum.
AlphaLISA technology allows the detection of molecules of interest in a no-wash, highly sensitive, quantitative assay. In an AlphaLISA assay, a biotinylated anti-analyte antibody binds to the Streptavidin-coated Donor beads while another anti-analyte antibody is conjugated to AlphaLISA Acceptor beads. In the presence of the analyte, the beads come into close proximity. The excitation of the Donor beads causes the release of singlet oxygen molecules that triggers a cascade of energy transfer in the Acceptor beads, resulting in a sharp peak of light emission at 615 nm.
Disclaimer: For research use only. Not for use in diagnostic procedures.
|Assay Target Class||Antibody|
|Experimental Type||In vitro|
|One Unit Contains||5000 assay points|
|Product Brand Name||AlphaLISA|
|Shipping Condition||Blue Ice|
|Unit Size||5,000 assay points|
|Resource Type||File Name||File Format|
|Brochure||Alpha Technology Solutions||PDF 4 MB|
|Application Note||A Comparison of AlphaLISA and TR-FRET Homogeneous Immunoassays in Serum-Containing Samples||PDF 1 MB|
|Technical Note||HiBlock Buffer Technical Data Sheet||PDF 333 KB|
|Data Sheet||Manual AlphaLISA Human IgG4 (pharmacokinetic) AL304||PDF 237 KB|
|Poster||All-In-One-Well AlphaLISA Assays for Direct Biomarker Quantification in Cell Cultures||PDF 288 KB|
|Poster||AlphaLISA Assays are Homogeneous Sensitive Immunoassays for Detection of Analytesin a Variety of Biological Matrices||PDF 273 KB|
|Poster||Development of New AlphaLISA No-wash Immunoassay Kits for Sensitive, Rapid and Efficient Quantification of Cytokines||PDF 279 KB|
|Poster||Efficient AlphaLISA immunoassays for the detection and characterization of monoclonal antibody biotherapeutics||PDF 525 KB|
|Flyer||AlphaLISA - Frequently Asked Questions||PDF 102 KB|