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BioAssay: AID 780746

Binding affinity to soluble truncated human recombinant 6His-tagged alpha5beta1 and integrins were expressed in HEK293T cells after 2 hrs by competition ELISA-like assay

The development of RGD-based antagonist of alphavbeta3 integrin receptor has enhanced the interest in PET probes to image this receptor for the early detection of cancer, to monitor the disease progression and the response to therapy. In this work, a novel prosthetic group (N-(4-fluorophenyl)pent-4-ynamide or FPPA) for the (18)F-labeling of an alphavbeta3 selective RGD-peptide was successfully more ..
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 Tested Compounds
 Tested Compounds
All(1)
 
 
Active(1)
 
 
 Tested Substances
 Tested Substances
All(1)
 
 
Active(1)
 
 
AID: 780746
Data Source: ChEMBL (989342)
BioAssay Type: Confirmatory, Concentration-Response Relationship Observed
Depositor Category: Literature, Extracted
BioAssay Version:
Deposit Date: 2014-05-03
Modify Date: 2014-08-25

Data Table ( Complete ):           View Active Data    View All Data
Targets
Sequence: RecName: Full=Integrin alpha-5; AltName: Full=CD49 antigen-like family member E; AltName: Full=Fibronectin receptor subunit alpha; AltName: Full=Integrin alpha-F; AltName: Full=VLA-5; AltName: CD_antigen=CD49e; Contains: RecName: Full=Integrin alpha-5 heavy chain; Contains: RecName: Full=Integrin alpha-5 light chain; Flags: Precursor
Description ..   
Protein Family: Integrin alpha (beta-propellor repeats)
Comment ..   

Gene:ITGA5     Related Protein 3D Structures     More BioActivity Data..


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BioActive Compound: 1
Description:
Title: Synthesis and in vitro evaluation of a novel radioligand for alphavbeta3 integrin receptor imaging: [18F]FPPA-c(RGDfK).

Abstract: The development of RGD-based antagonist of alphavbeta3 integrin receptor has enhanced the interest in PET probes to image this receptor for the early detection of cancer, to monitor the disease progression and the response to therapy. In this work, a novel prosthetic group (N-(4-fluorophenyl)pent-4-ynamide or FPPA) for the (18)F-labeling of an alphavbeta3 selective RGD-peptide was successfully prepared. [(18)F]FPPA was obtained in three steps with a radiochemical yield of 44% (decay corrected). Conjugation to c(RGDfK(N3)) by the Cu(II) catalyzed Huisgen azido alkyne cycloaddition provided the [(18)F]FPPA-c(RGDfK) with a radiochemical yield of 29% (decay corrected), in an overall synthesis time of 140 min.
(PMID: 24095096)
Comment
Compounds with activity <= 50uM or explicitly reported as active by ChEMBL are flagged as active in this PubChem assay presentation.
Categorized Comment - additional comments and annotations
From BioAssay Depositor:
Assay Type: Binding
Target Type: Target is a defined protein complex, consisting of multiple subunits
Assay Data Source: Scientific Literature
BAO: Assay Format: cell-based format
Assay Test Type: In vitro
Result Definitions
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TIDNameDescriptionHistogramTypeUnit
OutcomeThe BioAssay activity outcomeOutcome
1IC50*IC50 PubChem standard valueFloatμM
3BEIBinding Efficiency Index(nM)Float
2SEISurface Efficiency Index(nM)Float
4LELigand EfficiencyFloat
5LLELipophilic Ligand EfficiencyFloat
6IC50 activity commentIC50 activity commentString
7IC50 standard flagIC50 standard flagInteger
8IC50 qualifierIC50 qualifierString
9IC50 published valueIC50 published valueFloatμM
10IC50 standard valueIC50 standard valueFloatnM

* Activity Concentration.

Data Table (Concise)
Data Table ( Complete ):     View Active Data    View All Data
Classification
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