This ELISA detects the accumulation of inositol monophosphate, a metabolite produced following phospholipase C activation and used as a proxy of Gq activation
Feature | Specification |
---|---|
Application | Second Messenger Detection |
Dynamic Range | 10 - 3,000 nM |
Limit of Detection | 10 nM |
Sample Volume | 50 µL |
This ELISA detects the accumulation of inositol monophosphate, a metabolite produced following phospholipase C activation and used as a proxy of Gq activation
GPCR Gq stimulation is known to induce phospholipase C (PLC) activation and trigger Inositol phosphate (IP) cascade.
IP1, a downstream metabolite of IP3, accumulates in cells following Gq receptor activation and is stable in presence of LiCl, making it an ideal GPCR (Gq) functional assay.
Revvity has developed a monoclonal antibody-based IP-One ELISA to enable simplified and highly accurate measurement of IP1.
Application |
Second Messenger Detection
|
---|---|
Brand |
HTRF
|
Detection Modality |
HTRF
|
Dynamic Range |
10 - 3,000 nM
|
Limit of Detection |
10 nM
|
Product Group |
Kit
|
Sample Volume |
50 µL
|
Shipping Conditions |
Shipped Ambient
|
Target Class |
GPCR
|
Technology |
TR-FRET
|
Therapeutic Area |
Cardiovascular
Infectious Diseases
Metabolism/Diabetes
NASH/Fibrosis
Neuroscience
Oncology & Inflammation
Rare Diseases
|
Unit Size |
96 Assay Points
|
IP-One ELISA is a competitive immunoassay which uses IP1-HRP and an anti-IP1 monoclonal antibody. The kit comes with 96-well microplates pre-coated with an anti-mouse antibody. Cells are stimulated in the presence of LiCl, causing the accumulation of IP1 upon receptor activation. The protocol consists of two steps following cell stimulation: addition of ELISA components and addition of TMB, the HRP substrate. The HRP reaction is stopped and the optical density (OD) read at 450nm.
IP1, a downstream metabolite of IP3, accumulates in cells following Gq receptor activation.
It is stable in the presence of LiCl, making it ideal for GPCR (Gq) functional assay.
Detection limit |
10 nM |
---|---|
Dynamic range | 10-3000 nM |
EC50 | 110 nM |
Specificity | No cross-reactivity with 50 µM Myo-inositol, PIP2, IP2, IP3, IP4 or PIP3 |
The Cisbio IP-One ELISA is compatible with cell lysates, enabling live cell functional assays.
Cells can be stimulated using a variety of plate formats prior to the IP-One ELISA detection steps.
This figure shows the results of an IP-One ELISA performed on cells stimulated in either a 24- or 96-well format. Cells were lysed and then transferred to the ELISA plate provided in the kit. We used 80,000 cells per well in the 96-well plates and 400,000 cells per well in the 24-well format.
Both cell stimulation formats produced similar results, with low standard deviations.
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G-protein coupled receptors (GPCRs) are crucial transmembrane proteins involved in cellular signal transduction.
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