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HTS062M

Sigma-Aldrich

ChemiScreen Recombinant Human NMU1 Neuromedin Receptor

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About This Item

Codice UNSPSC:
41106514
eCl@ss:
32161000
NACRES:
NA.45

Origine biologica

human

Livello qualitativo

Ricombinante

expressed in Chem-1 cells

Stato

liquid

Produttore/marchio commerciale

ChemiScreen
Chemicon®

tecniche

ligand binding assay: suitable (GTPγS)
radioligand binding assay (RLBA): suitable

N° accesso NCBI

N° accesso UniProt

Descrizione generale

Human NMU1
Neuromedin U (NmU) is a peptide characterized by its ability to promote smooth muscle contraction (Brighton et al., 2004a). Two GPCRs, NMU1 and NMU2, mediate the contractile effects of neuromedin U by activation of both Gq and Gi (Brighton et al., 2004b). In addition, NmU binds to NMU1 expressed on Th2 cells to induce cytokine release (Johnson et al., 2004). Chemicon′s NMU1 membrane preparations are crude membrane preparations made from our proprietary stable recombinant cell lines to ensure high-level of GPCR surface expression; thus, they are ideal HTS tools for screening of antagonists of NMU1 interactions with neuromedin U25. The membrane preparations exhibit a Kd of 0.08 nM for [125I]-neuromedin U25. With 5 μg/well NMU1 Membrane Prep and 0.5 nM [125I]-neuromedin U25, a greater than 30-fold signal-to-background ratio was obtained.

Applicazioni

Human NMU1 GPCR membrane preparation for Radioligand binding Assays & GTPγS binding.
Radioligand binding assay, and GTPγS binding.

Azioni biochim/fisiol

  • GPCR Class: A
  • Protein Target: NMU1
  • Target Sub-Family: Neuromedin U

Specifiche

Membranes are mixed with radioactive ligand and unlabeled competitor (see Figures 1 and 2 for concentrations tested) in binding buffer in a nonbinding 96-well plate, and incubated for 1-2 h. Prior to filtration, a GF/C 96-well filter plate is coated with 0.33% polyethyleneimine for 30 min, then washed with 50mM HEPES, pH 7.4, 0.5% BSA. Binding reaction is transferred to the filter plate, and washed 3 times (1 mL per well per wash) with Wash Buffer. The plate is dried and counted.

Binding buffer: 50 mM Hepes, pH 7.4, 5 mM MgCl2, 1 mM CaCl2, 0.2% BSA, filtered and stored at 4°C.

Radioligand: [125I]-neuromedin U25 (Perkin Elmer # NEX383)

Wash Buffer: 50 mM Hepes, pH 7.4, 500mM NaCl , 0.1% BSA, filtered and stored at 4°C.

Stato fisico

One package contains enough membranes for at least 200 assays (units), where an unit is the amount of membrane that will yield greater than 30-fold signal:background with 125I-labeled neuromedin U25 at 0.5 nM.
Liquid in packaging buffer:

Stoccaggio e stabilità

Maintain frozen at -70°C for up to 2 years. Do not freeze and thaw.

Note legali

CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany

Esclusione di responsabilità

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial

Codice della classe di stoccaggio

12 - Non Combustible Liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2


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