Our frozen, irradiated AequoZen cell lines express a variety of GPCRs which all couple to a calcium response. Upon GPCR stimulation and subsequent calcium binding to the aequorin oxidation of coelenterazine leads to emission of light. No cell culture is required prior to testing, for these frozen cells.
This product contains living cells. Some AequoZen™ FroZen Cells may be restricted for sale in specified countries. Please inquire at your local sales office for more information.
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Frozen Cells validated for calcium testing: Adenosine A3 receptor, human recombinant, in CHO-K1 host cell. We provide one vial of frozen cells (10 million cells/vial). Some of our Frozen cells may be restricted for sale in specified countries. Please inquire at your local sales office for more information. You are authorized to utilize these frozen cell preparations one time only. Any attempt to transfer, re-use, or propagate these cells is expressly unauthorized and a violation of the product terms and conditions of sale.
The AequoScreen technology is a generic GPCR technology which can be used with Gs, Gi and Gq coupled GPCRs and calcium coupled ion channels. Following receptor stimulation, increases in intracellular calcium enable measurement of the resulting flash luminescence signal.
The frozen cells approach to functional testing consists in the dissociation of cell culture from testing. That means that we will culture the cells and freeze them with an optimized protocol to stop all replication. These cells are then stored in liquid nitrogen or simply in a -80°C freezer, thawed and used directly in a functional, cellular GPCR test with previously validated performance.
|Assay Target Class||GPCR|
|Assay Target Type||Cell line|
|Assay Validated||Calcium Luminescence|
|G-Alpha Coupling Protein||Ga16|
|G-Alpha Natural Receptor||Gi/Go|
|Product Brand Name||AequoZen|
|Second Messenger Release||Calcium flux|
|Shipping Condition||Dry Ice|
|Therapeutic Area||Central Nervous System, Cardiovascular, Inflammation, Metabolic|
|Unit Size||10 million cells|
Aequorin is a photo protein originating from the jellyfish Aequorea Victoria. The apo-enzyme (apoaequorin) is a 21 kD protein, which requires a hydrophobic prosthetic group, coelenterazine, to be converted to aequorin,the active form of the enzyme. This enzyme possesses 3 calcium binding sites which control its activity.
Aequorin-based Ca2+ assays represent a new paradigm in drug discovery research for cell-based assays for Ca2+-coupled GPCRs and ion channels. In the aequorin assay, cells co-expressing apoaequorin and the target receptor are first incubated with the co-factor coelenterazinein order to reconstitute the activea equorin enzyme.
G protein coupled-receptors (GPCRs) are one of the most intensively studied drug targets, with up to one-third of all marketed therapeutics acting by binding to GPCRs. Therapies that target GPCRs include both agonist and antagonists that are used in the treatment of disease in nearly every major organ system and hold significance in several therapeutic areas, such as cardiovascular diseases, neurosciences, respiratory diseases, metabolic disorders, oncology, and rare diseases.
We know the importance of furthering GPCR research - and we answer the call with application notes, white papers, and end-to-end solutions including reagents, instruments, and tools for all aspects of research into today’s most promising drug target.
PerkinElmer’s validated, ready-to-use AequoZen™or cAMPZen™ frozen, irradiated cells make it easier for you to perform functional testing of GPCRs. Just thaw and use! Reliable, convenient AequoZen cells for aequorin calcium testing or cAMPZen cells for cAMP testing let you get the testing done. So you can concentrate on results.
Aequorin and Photina cell lines – the alternative calcium flux assay. PDL-coated microplates improve your performance