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Key Documents

SBVT08

Sigma-Aldrich

SB-MRP5-HEK293

MRP5 human membrane vesicles

Synonym(s):

ABCC5, MRP5, Multidrug resistance associated protein 5

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About This Item

UNSPSC Code:
41106514
NACRES:
NA.84

recombinant

expressed in HEK 293 cells

form

liquid

concentration

5 mg/mL

color

off-white

UniProt accession no.

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... ABCC5(10057)

General description

Membrane Preparations for Vesicular Transport Assays (VT) are suitable for general drug-efflux transporter interaction studies. Both substrate and inhibitor interactions can be assessed using vesicles. The success of substrate interaction studies strongly depends on the passive permeability of the compound. High permeability substrates might not be detected. Control Membranes with no-, or significantly lower transporter activity are also available.

Application

In the vesicular transport assay so-called "inside-out" membrane vesicles containing ABC transporters are applied. Incubating substrates of the respective efflux transporter in the presence of the inverted membrane vesicles and ATP will allow measuring accumulation of the substrates into the vesicles. In many cases radiolabeled reporter substrates are used but recently SOLVO developed the new PREDIVEZ Vesicular Transport Kits that use fluorescent reporter substrates.

The standard vesicular transport assay is an inhibitory assay performed with cold test articles. This assay provides information on any interaction between the ABC transporter and the test article. The transport of the reporter substrate is measured in the presence of the test article (typically in 7 concentrations) and IC50 is defined as the concentration inhibiting the transport of the reporter substrate by 50%.

Should radiolabeled form of the investigated compound or adequate analytical methods (LC/MS, HPLC) be available, the vesicular transport assay may be performed in a direct format without the reporter substrate and may identify substrate nature of the test article. The vesicular transport substrate assay is a low throughput assay. It is suitable for low permeability test compounds as high permeability compounds may escape from the vesicles through the lipid bilayer.

PREDIVEZ vesicular transport kit is sold separately. This transporter membrane vesicle assay requires the PREDIVEZ vesicular transport kit and corresponding control membrane below:

SB PREDIVEZ Reagent Kit for MRP2, MRP3, and MRP5 part number SBPVR3-9RXN and corresponding control membrane SB-HEK293-Mock-CTRL part number SBCT06-1EA

Physical form

Supplied as frozen membrane vesicles, containing 5 mg/ml membrane protein, labeled with volume, catalog number (transporter) and date of production.

Legal Information

Distributed for SOLVO Biotechnology, Inc.

related product

Storage Class

10 - Combustible liquids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


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C E Grant et al.
Cancer research, 54(2), 357-361 (1994-01-15)
Amplification of the gene encoding multidrug resistance-associated protein (MRP) and overexpression of its cognate mRNA have been detected in multidrug-resistant cell lines derived from several different tumor types. To establish whether or not the increase in MRP is responsible for
Susan Pratt et al.
Molecular cancer therapeutics, 4(5), 855-863 (2005-05-18)
5'-Fluorouracil (5-FU), used in the treatment of colon and breast cancers, is converted intracellularly to 5'-fluoro-2'-deoxyuridine (5-FUdR) by thymidine phosphorylase and is subsequently phosphorylated by thymidine kinase to 5'-fluoro-2'-dUMP (5-FdUMP). This active metabolite, along with the reduced folate cofactor, 5,10-methylenetetrahydrofolate
A T Nies et al.
Neuroscience, 129(2), 349-360 (2004-10-27)
Multidrug resistance proteins (MRPs, symbol ABCC) are membrane glycoproteins that mediate the ATP-dependent export of organic anions, including cytotoxic and antiviral drugs, from cells. To identify MRP family members possibly involved in the intrinsic resistance of human brain to cytotoxic
J Wijnholds et al.
Proceedings of the National Academy of Sciences of the United States of America, 97(13), 7476-7481 (2000-06-07)
Two prominent members of the ATP-binding cassette superfamily of transmembrane proteins, multidrug resistance 1 (MDR1) P-glycoprotein and multidrug resistance protein 1 (MRP1), can mediate the cellular extrusion of xenobiotics and (anticancer) drugs from normal and tumor cells. The MRP subfamily
Peter Dazert et al.
The American journal of pathology, 163(4), 1567-1577 (2003-09-26)
The multidrug resistance protein 5 (MRP5/ABCC5) has been recently identified as cellular export pump for cyclic nucleotides with 3',5'-cyclic GMP (cGMP) as a high-affinity substrate. In view of the important role of cGMP for cardiovascular function, expression of this transport

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