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Render Timestamp: 2024-10-11T09:38:11.339Z
Commit: 56767fe525c928647c8401233a175d0d607d385d
XML generation date: 2024-09-20 15:16:07.860
Product last modified at: 2024-09-24T20:30:08.555Z
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PDP - Template Name: Assay Kit
PDP - Template ID: *******4838e4e

Cyclic AMP XP® Chemiluminescent Assay Kit #8019

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  • ELISA

    Product Information

    Protocol

    Product Description

    The Cyclic AMP XP® Chemiluminescent Assay Kit is a competition enzyme-linked immunoassay used to determine cAMP levels in cells or tissues of interest. In this assay, cAMP found in the test sample competes with a fixed amount of HRP-linked cAMP for binding to an anti-cAMP XP® Rabbit mAb immobilized onto a 96-well plate. Following washing to remove excess sample cAMP and HRP-linked cAMP, chemiluminescent reagent is added for signal development. Because of the competitive nature of this assay, the magnitude of light emission, measured in relative light units (RLU), is inversely proportional to the quantity of sample cAMP. Measurement of light emmision using the cAMP Standard allows calculating the absolute amount of cAMP in a sample of interest.

    Specificity / Sensitivity

    The immunoreactivity of this kit was tested against the following: ADP, AMP, ATP, cAMP, cGMP, cIMP, cTMP, CTP, GDP, GMP, and GTP. Relatively minor cross-reactivity was observed with cGMP and cIMP, with 10 fold higher sensitivity for cAMP compared to either cGMP or cIMP. No cross-reactivity was observed with any of the other factors tested. Kit sensitivity, as shown in Figure 1, demonstrates a dynamic range of 0.2 to 12 nM of cAMP. Changes in cellular cAMP levels following specific treatment with forskolin is shown in Figure 2 (CHO cells).

    Species Reactivity:

    All Species Expected

    Background

    Cyclic adenosine 3’,5’-monophosphate (cAMP) is an important second messenger involved in many signal transduction pathways in different cell types of numerous species (1-3). In mammalian cells, this important molecule is produced by adenylyl cyclases (AC). Extracellular stimuli such as neurotransmitters, hormones, chemokines, lipid mediators, and drugs can modulate AC activity to increase or decrease cAMP production by binding to a large number of transmembrane G protein-coupled receptors (4). The degradation of cAMP to AMP is catalyzed by phosphodiesterases that are regulated by intracellular nucleotide concentrations, phosphorylation, or binding of Ca2+/calmodulin and other regulatory proteins (5). A set of diverse molecules, including cAMP-dependent protein kinase (PKA), cyclic nucleotide-gated ion channels, and exchange proteins that are activated by cAMP (EPAC), mediate downstream cAMP signaling (6,7). cAMP modulates various biological processes including metabolism, differentiation, cardiac cell functions, neuronal signaling, cell adhesion, and immune functions (5-7).
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