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<strong>BD</strong> Biosciences - Discovery Labware Supplement<br />

<strong>BD</strong> ACTOne GPCR Screening Assay<br />

• Convenient, homogeneous assay format<br />

• High sensitivity and excellent signal-to-noise ratio<br />

• Live cell assay allows simultaneous screening of agonists and<br />

antagonists<br />

• No special equipment required<br />

• Z’ scores are consistently greater than 0.6<br />

Diagram shows two pathways of GPCR signalling. The <strong>BD</strong> ACTOne Assay uses a<br />

proprietary method cyclic nucleotide gated channel (CNG) as a biosensor of cAMP activity.<br />

The <strong>BD</strong> ACTOne live cell cAMP assay is the only high-throughput screening<br />

(HTS) G-protein coupled receptor (GPCR) technology that directly measures<br />

the intracellular concentration of the secondary messenger cyclic AMP<br />

(cAMP) in living cells, in real-time. Because the biosensor is localized at<br />

the cell surface near the source of cAMP production, the assay provides<br />

exceptional sensitivity and response time.<br />

Description Cat. No.<br />

Transduced Gs coupled Receptors<br />

Adenosin A2a Receptor 341449<br />

Adenylate Cyclase Activ. Polypept. 1<br />

Receptor Type I (ADCY AP1R1) 341815<br />

Arginine Vasopressin Receptor 2 (AVPR2) 345502<br />

Calcitonin Receptor (CALCR) 341452<br />

Calcitonin receptor-like (CALCRL) 341450<br />

Corticotropin Releasing Hormone Receptor 1 (CRHR1) 345505<br />

Corticotropin Releasing Hormone Receptor 2 (CRHR2) 341816<br />

Dopamine Receptor D1 (DRD1) 341459<br />

Dopamine Receptor D5 (DRD5) 341817<br />

Follicle Stimulating Hormone Receptor (FSHR) 341818<br />

Glucagon Receptor (GCGR) 341471<br />

Glucagon-like peptide 1 Receptor (GLP1R) 345504<br />

Glucagon-like peptide 2 Receptor (GLP2R) 344445<br />

Gastric inhibitor polypeptide Receptor (GIPR) 341473<br />

Melanocortin 1 Receptor (MC1R) 341457<br />

Melanocortin 3 Receptor (MC3R) 344447<br />

Melanocortin 4 Receptor (MC4R) 341469<br />

Melanocortin 5 Receptor (MC5R) 341470<br />

Parathyroid Hormone Receptor 1 (PTHR1) 341442<br />

Parathyroid Hormone Receptor 2 (PTHR2) 341820<br />

Prostaglandin D2 Receptor (PTGDR2) 341443<br />

Prostaglandin E Receptor 4 (PTGER4) 341455<br />

Prostaglandin I2 Receptor (PTGIR) 345503<br />

Secretin Receptor (SCTR) 344439<br />

Serotonin Receptor 4 (5HT4) 344438<br />

Serotonin Receptor 6 (5HT6) 344442<br />

Serotonin Receptor 7 (5HT7) 344444<br />

Thyroid Stimulating Hormone Receptor (TSHR) 344446<br />

Vasoactive Intestinal Peptide Receptor 1 (VIPR1) 341472<br />

Vasoactive Intestinal Peptide Receptor 2 (VIPR2) 341468<br />

Live cell assays<br />

BIOIMAGING SYSTEMS<br />

Traditional screening of Gs- and Gi-coupled GPCRs is based on endpoint<br />

assays that do not generate real-time kinetic data about Gs- and<br />

Gi-mediated cAMP activation. The cAMP assay from <strong>BD</strong> Biosciences allows<br />

high-throughput screening on industry standard platforms, providing results<br />

with greater accuracy at lower cost. The <strong>BD</strong> ACTOne assay is also compatible<br />

with standard fluorescence plate readers. The figure shows how the assay<br />

uses a modified cyclic nucleotide gated channel (CNG) to monitor cAMP<br />

levels within cells.<br />

The <strong>BD</strong> ACTOne assay represents a major breakthrough in the ability to<br />

conduct HTS using fluorescence plate readers instead of slower, more<br />

costly alternatives. Real-time kinetic readouts minimize artifacts from<br />

prolonged incubations and decrease processing steps while providing higher<br />

statistical relevance. Kinetic traces also allow easy differentation between<br />

GPCR response patterns, making the <strong>BD</strong> ACTOne assay ideal for receptor<br />

deorphanization.<br />

<strong>BD</strong> ACTOne Cell Lines<br />

A patented CNG mutant gene was stably introduced into HEK-293 cells as<br />

a biosensor for intracellular cAMP in the presence of selected fluorescent<br />

dyes. The <strong>BD</strong> ACTOne Cell Lines can be used to detect and quantitate<br />

free intracellular cAMP in real time, providing a kinetic or endpoint assay<br />

for both endogenous and exogenous GPCRs. <strong>BD</strong> Biosciences also offers<br />

a specially formulated fluorescent membrane potential dye that has been<br />

pharmacologically selected to minimize binding to a peptide or protein<br />

agonist. The dye can be used with the <strong>BD</strong> ACTOne Assays or with other<br />

fluorescence-based membrane potential assays. Cell lines are available under<br />

an evaluation or screening license agreement.<br />

Description Cat. No.<br />

Endogenous Gs-coupled Receptors<br />

β-adrenoreceptor (likely both β 1 & β 2) 341475<br />

Adenosine A2b Receptor 341474<br />

Prostaglandin E2 Receptor 341476<br />

Adenosine A1 Receptor 341814<br />

Adenosine A3 Receptor 341822<br />

NEW Angiotensin receptor-like 1 644564<br />

Cannabinoid Receptor 1 (CB1) 341811<br />

Cannabinoid Receptor 2 (CB2) 344449<br />

Chemokine (C-C motif) receptor 5 (CCR5) 344448<br />

NEW Chemokine (C-X-C motif) receptor 4 (CXCR 4) 644562<br />

Dopamine Receptor D2 (DRD2) 341812<br />

NEW Glutamate Receptor, metabotropic 2 (mGluR2) 644561<br />

NEW Glutamate Receptor, metabotropic 4 (mGluR4) 644565<br />

NEW Glutamate Receptor, metabotropic 7 (mGluR7) 644560<br />

Glutamate Receptor, metabotropic 8 (mGluR8) 344451<br />

Melanin concentrating hormone Receptor 1 (MCHR1) 341823<br />

Neuropeptide Y Receptor Y1 (NPY1R) 344869<br />

Neuropeptide Y Receptor Y2 (NPY2R) 344870<br />

NEW Neuropeptide Y Receptor Y4 (NPY4R) (PPYR1) 644009<br />

Opioid Receptor, b β1 (KOR) 344450<br />

NEW Opiate Receptor-like Receptor 1 (ORL-1) 644563<br />

Somatostatin Receptor 5 (SSTR5) 341813<br />

NEW Sphingolipid GPCR 1 640236<br />

Parental Cell Lines<br />

Parental Cell line HEK-293 CNG 341467<br />

GLAST (transfected with the GLAST gene,<br />

a glutamate/ aspartate transporter) * 344443<br />

<strong>BD</strong> ACTOne Membrane Potential Dye Kits<br />

10 plates 341831<br />

100 plates 341833<br />

* this cell line should be used as the parental control cell line for mGluR7 and<br />

mGluR8 cell lines<br />

bdbiosciences.com 33<br />

9<br />

<strong>BD</strong> Calcium Assay Kits

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