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VX-809 (Lumacaftor) CFTR Modulateur

Réf. Catalogue: S1565

Le Lumacaftor (VX-809, VRT 826809) agit pour corriger les mutations du CFTR courantes dans la mucoviscidose en augmentant la maturation du CFTR mutant (F508del-CFTR), EC50 de 0,1 μM dans les cellules thyroïdiennes de rat Fisher. Phase 3.
VX-809 (Lumacaftor) CFTR Modulateur Chemical Structure

Structure chimique

Poids moléculaire: 452.41

Aller à

Contrôle Qualité (Quality Control)

Lot : Pureté : 99.87%
99.87

Culture cellulaire, traitement et concentration de travail
(Cell Culture, Treatment & Working Concentration)

Lignées cellulaires Type d'essai Concentration Temps d'incubation Formulation Description de l'activité PMID
CFBE41o Corrector assay 24 hrs Corrector activity at CFTR F508-del mutant (unknown origin) expressed in human CFBE41o cells harboring HS-YFP preincubated for 24 hrs followed by forskolin/genistein stimulation for 30 mins by fluorescence assay, EC50 = 2.5704 μM. 29272749
FRT Corrector assay 25 mins Corrector activity at human CFTR F508 deletion mutant expressed in FRT cells incubated for 25 mins with forskolin by YFP-based fluorescence analysis relative to control, EC50 = 2.6 μM. 26561003
TC32 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for TC32 cells 29435139
U-2 OS qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for U-2 OS cells 29435139
A673 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for A673 cells 29435139
DAOY qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for DAOY cells 29435139
Saos-2 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Saos-2 cells 29435139
BT-37 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for BT-37 cells 29435139
RD qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for RD cells 29435139
SK-N-SH qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-SH cells 29435139
BT-12 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for BT-12 cells 29435139
MG 63 (6-TG R) qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for MG 63 (6-TG R) cells 29435139
NB1643 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB1643 cells 29435139
BT-12 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for BT-12 cells 29435139
OHS-50 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for OHS-50 cells 29435139
fibroblast cells qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for control Hh wild type fibroblast cells 29435139
Rh41 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh41 cells 29435139
Rh30 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Rh30 cells 29435139
U-2 OS qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for U-2 OS cells 29435139
Rh41 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Rh41 cells 29435139
RD qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for RD cells 29435139
SJ-GBM2 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SJ-GBM2 cells 29435139
SK-N-MC qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-MC cells 29435139
NB-EBc1 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB-EBc1 cells 29435139
LAN-5 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for LAN-5 cells 29435139
Rh18 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh18 cells 29435139
CFBE41o Corrector assay 1 uM 24 hrs Corrector activity at CFTR F508-del mutant (unknown origin) expressed in human CFBE41o cells harboring HS-YFP assessed as increase in matured protein levels at cell surface at 1 uM after 24 hrs by electrophoretic mobility assay 29272749
HBE Corrector assay Corrector activity at CFTR F508del/F508del mutant in primary HBE cells assessed as increase in chloride ion current across apical membrane measured 18 to 24 hrs post compound treatment on basolateral side of cells in presence of channel potentiator GLPG18 29251932
CFBE41o Corrector assay Corrector activity at CFTR F508del mutant (unknown origin) expressed in human CFBE41o cells assessed as increase in fully glycosylated protein by western blot analysis 26041577
CFBE41o Corrector assay 1 uM 24 hrs Corrector activity at CFTR F508del mutant (unknown origin) expressed in human CFBE41o cells assessed as increase in size of cAMP-dependent current at 1 uM after 24 hrs measured at +100 mV by whole cell patch clamp assay 26041577
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Informations chimiques, stockage et stabilité (Chemical Information, Storage & Stability)

Poids moléculaire 452.41 Formule

C24H18F2N2O5

Stockage (À compter de la date de réception)
N° CAS 936727-05-8 Télécharger le SDF Stockage des solutions mères

Synonymes VRT 826809 Smiles CC1=C(N=C(C=C1)NC(=O)C2(CC2)C3=CC4=C(C=C3)OC(O4)(F)F)C5=CC(=CC=C5)C(=O)O

Solubilité (Solubility)

In vitro
Lot:

DMSO : 90 mg/mL (198.93 mM)
(Le DMSO contaminé par l'humidité peut réduire la solubilité. Utiliser du DMSO frais et anhydre.)

Ethanol : 13 mg/mL

Water : Insoluble

Calculateur de molarité

Masse Concentration Volume Poids moléculaire
Calculateur de dilution Calculateur de poids moléculaire

In vivo
Lot:

Calculateur de formulation in vivo (Solution claire)

Étape 1 : Saisir les informations ci-dessous (Recommandé : Un animal supplémentaire pour tenir compte des pertes pendant l'expérience)

mg/kg g μL

Étape 2 : Saisir la formulation in vivo (Ceci est seulement le calculateur, pas la formulation. Veuillez nous contacter d'abord s'il n'y a pas de formulation in vivo dans la section Solubilité.)

% DMSO % % Tween 80 % ddH2O
%DMSO %

Résultats du calcul :

Concentration de travail : mg/ml;

Méthode de préparation du liquide maître DMSO : mg médicament prédissous dans μL DMSO ( Concentration du liquide maître mg/mL, Veuillez nous contacter d'abord si la concentration dépasse la solubilité du DMSO du lot de médicament. )

Méthode de préparation de la formulation in vivo : Prendre μL DMSO liquide maître, puis ajouterμL PEG300, mélanger et clarifier, puis ajouterμL Tween 80, mélanger et clarifier, puis ajouter μL ddH2O, mélanger et clarifier.

Méthode de préparation de la formulation in vivo : Prendre μL DMSO liquide maître, puis ajouter μL Huile de maïs, mélanger et clarifier.

Note : 1. Veuillez vous assurer que le liquide est clair avant d'ajouter le solvant suivant.
2. Assurez-vous d'ajouter le(s) solvant(s) dans l'ordre. Vous devez vous assurer que la solution obtenue, lors de l'ajout précédent, est une solution claire avant de procéder à l'ajout du solvant suivant. Des méthodes physiques telles que le vortex, les ultrasons ou le bain-marie chaud peuvent être utilisées pour faciliter la dissolution.

Mécanisme d'action (Mechanism of Action)

Caractéristiques
Higher specificity and efficacy relative to other CFTR defect drugs.
Targets/IC50/Ki
F508del-CFTR
(Fisher rat thyroid cells)
0.1 μM(EC50)
In vitro

Lumacaftor (VX-809) acts at the level of the ER to allow a fraction of the F508del-CFTR to adopt a properly folded form, to exit the ER and mobilize to the cell surface for normal functioning. In Fischer rat thyroid (FRT) cells expressing F508del-CFTR, this compound treatment significantly improves F508del-CFTR maturation by 7.1 fold with an EC50 of 0.1 μM, and enhances F508del-CFTR-mediated chloride transport by approximately 5 fold with EC50 of 0.5 μM, while VRT-768 has higher EC50 values of 7.9 μM and 16 μM, respectively. In HEK-293 cells expressing F508del-CFTR, it (3 μM) increases F508del-CFTR exit from the ER by 6 fold, reaching levels comparable to 34% of CFTR. In primary human bronchial epithelial (HBE) cells with F508del-CFTR mutation, the agent increases CFTR maturation and enhances chloride secretion with EC50 of 350 nM and 81 nM, respectively, more efficacious than Corr-4a and VRT-325. F508del-CFTR corrected by it exhibits single-channel open probability of 0.39 similar to normal CFTR of 0.40. Unlike VX-770, it is not a CFTR potentiator, as acute addition has no effect on F508del-CFTR function. In contrast to VRT-325 and Corr-4a, it does not improve the processing of the normal or mutant forms of hERG or P-gp, as well as other disease-causing mislocalized proteins, including α1-antitrypsin Z mutant (E342K-α1-AT) or N370S-β-glucosidase, suggesting that it is specific for CFTR. It in combination with VRT-325 or Corr-4a has additive effect on CFTR-mediated chloride transport in cultured F508del-HBE.

Essai kinase
maturation du F508del-CFTR
Les cellules FRT exprimant de manière stable le F508del-CFTR sont traitées avec des concentrations croissantes de Lumacaftor (VX-809) pendant 48 heures. Après incubation, les cellules sont récoltées dans une solution D-PBS glacée (sans calcium ni magnésium) et centrifugées à 1 000 × g à 4 °C. Les culots cellulaires sont lysés dans 1 % de Nonidet P-40, 0,5 % de désoxycholate de sodium, 200 mM de NaCl, 10 mM de Tris, pH 7,8, et 1 mM d'EDTA plus un mélange d'inhibiteurs de protéase (1:250) pendant 30 minutes sur glace. Les lysats sont centrifugés pendant 10 minutes à 10 000 × g à 4 °C pour culotter les noyaux et les matériaux insolubles. Environ 12 μg de protéines totales sont chauffées dans un tampon de Laemmli avec 5 % de β-mercaptoéthanol à 37 °C pendant 5 minutes et chargées sur un gel Tris-acétate de 3 % à 8 %. Le gel est transféré sur nitrocellulose et traité pour Western blotting en utilisant un anticorps monoclonal CFTR ou polyclonal anti-GAPDH. Les blots sont développés par chimiluminescence améliorée. La quantification des quantités relatives des bandes C et GAPDH est effectuée en utilisant l'analyse NIH ImageJ des films scannés.
In vivo

Lumacaftor (VX-809; VRT 826809) is a CFTR modulator that corrects the folding and trafficking of CFTR protein.

Références

Applications (Applications)

Méthodes Biomarqueurs Images PMID
Immunofluorescence CFTR / USP13 Cell surface kAE1 / kAE1
S1565-IF1
30618756

Informations sur l'essai clinique (Clinical Trial Information)

(données du https://clinicaltrials.gov, mis à jour le 2024-05-22)

Numéro NCT Recrutement Conditions Promoteur/Collaborateurs Date de début Phases
NCT03512119 Completed
Cystic Fibrosis Homozygous for Phe 508 Del CFTR|Glucose Intolerance or Newly Diagnosis Diabetes
University Hospital Strasbourg France
February 11 2016 --
NCT02589236 Completed
Cystic Fibrosis
Nivalis Therapeutics Inc.|Medidata Solutions
November 2015 Phase 2
NCT02514473 Completed
Cystic Fibrosis
Vertex Pharmaceuticals Incorporated
July 2015 Phase 3
NCT01899105 Completed
Cystic Fibrosis
Vertex Pharmaceuticals Incorporated
July 2013 Phase 1