Maraviroc
Catalog No.S2003 Synonyms: UK-427857
Molecular Weight(MW): 513.67
Maraviroc is a CCR5 antagonist for MIP-1α, MIP-1β and RANTES with IC50 of 3.3 nM, 7.2 nM and 5.2 nM in cell-free assays, respectively.
5 Customer Reviews
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CCR5 antagonists block FBS-induced breast cancer cell invasion. 3D reconstruction of FBS-induced invasion into collagen gels by Hs578T (A) or SUM-159 (C) breast cancer cells in presence of CCR5 antagonists (100 nmol/L). The corresponding quantifications (mean ±SEM, n = 3) and analysis (Bonferronit test) are displayed in B and D.
Cancer Res 2012 72(15), 3839-50. Maraviroc purchased from Selleck.
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Analysis of receptor mechanisms mediating the induction of MMP-9 expression in THP-1 cells by AFP. Maraviroc, an inhibitor of chemokine receptor CCR5, was added to the cells in the indicated concentrations 1 hour before addition of 50 μg/ml AFP or 150 ng/ml RANTES. After 24 hours of cell stimulation, conditioned media were collected and analyzed for MMP-9 activity by the method of zymography
2010 Dr. Johanna Weiss of University Hospital Heidelberg. Maraviroc purchased from Selleck.
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The functional significance of the PI3K/Akt pathway in CCR5-mediated DNA damage signaling was assessed using the ATP-competitive, small-molecule pan-Akt inhibitor (ipatasertib) and or the CCR5 inhibitor Maraviroc in doxorubicin-treated cells. Western blot analysis was conducted as shown for SUM-159 cells (B).
Clin Cancer Res, 2018, 78(7):1657-1671. Maraviroc purchased from Selleck.
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(F) Representative timed photon emission of mice injected with SUM-159 cells treated with either vehicle control or CCR5 antagonist Maraviroc (8 mg/kg) for six weeks. Colorimetric scale of photon flux (x107 p/sec/cm2/sr) reflects tumor volume.
Cancer Res, 2018, 78(7):1657-1671. Maraviroc purchased from Selleck.
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(E)CAF-induced migration of Huh7 cells was blocked by antagonists of chemokine receptors. CCR2 antagonist (INCB3284, 100 nM), CCR5 antagonist (Maraviroc, 100 nM) and selective CCR1 and CCR3 antagonists (UCB35625, 100 nM) were added to CAF-CM in the transwell assay.
Cancer Lett, 2016, 379(1):49-59.. Maraviroc purchased from Selleck.
Purity & Quality Control
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Biological Activity
| Description | Maraviroc is a CCR5 antagonist for MIP-1α, MIP-1β and RANTES with IC50 of 3.3 nM, 7.2 nM and 5.2 nM in cell-free assays, respectively. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| In vitro |
Maraviroc inhibits MIP-1β-stimulated γ-S-GTP binding to HEK-293 cell membranes, indicating its ability to inhibit chemokine-dependent stimulation of GDP-GTP exchange at the CCR5/G protein complex. Maraviroc also inhibits the downstream event of chemokine-induced intracellular calcium redistribution, with IC50s ranging from 7 to 30 nM obtained against MIP-1β, MIP-1α and RANTES. In the same experiments, Maraviroc does not trigger release of intracellular calcium at concentrations up to 10 μM, indicating that it is devoid of CCR5 agonist activity. Consistent with this, Maraviroc fails to induce CCR5 internalization. Maraviroc is active at low nanomolar concentrations against HIV-1 Ba-L. Maraviroc inhibits all 200 pseudotyped viruses with a geometric mean IC90 of 13.7 nM. [1] At concentrations >1000 times the 50% inhibitory concentration, maraviroc did not inhibit other chemokine receptors (CCR1, 2, 3, 4, 7, and 8; CXCR1 and 2) to a clinically relevant degree[3]. |
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| In vivo | The half-life values of Maraviroc are 0.9 hour in the rat and 2.3 hours in the dog. Following oral administration (2 mg/kg) to the dog, the Cmax (256 ng/ml) occurred 1.5 hours post-dose, and the bioavailability is 40%. For the rat, approximately 30% of the administered dose is absorbed from the intestinal tract. [1] Female RAG-hu mice are challenged vaginally with HIV-1 an hour after intravaginal application of the Maraviroc gel. Maraviroc gel treated mice are fully protected against vaginal HIV-1 challenge in contrast to placebo gel treated mice which all became infected. Vaginal administration of Maraviroc fully protects mice against HIV-1 vaginal challenge. While there is a clear pattern of CD4 T cell decline in placebo-gel treated and viral challenged mice, their levels are stable in mice receiving Maraviroc gel. [2] |
Protocol
| Kinase Assay: |
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Inhibition of chemokine binding to CCR5: Binding of 125I-labeled MIP-1α, MIP-1β, and RANTES to CCR5 is measured using intact HEK-293 cells stably expressing the receptor or membrane preparations thereof. Briefly, cells are resuspended in binding buffer (50 mM HEPES containing 1 mM CaCl2, 5 mM MgCl2, and 0.5% bovine serum albumin [BSA] and adjusted to pH 7.4) to a density of 2 × 106 cells/ml. For membrane preparations, phosphate-buffered saline (PBS)-washed cells are resuspended in lysis buffer (20 mM HEPES, 1 mM CaCl2, 1 tablet COMPLETE per 50 mL, pH 7.4) prior to homogenization in a Polytron hand-held homogenizer, ultracentrifugation (40,000× g for 30 min), and resuspension in binding buffer to a protein concentration of 0.25 mg/mL (12.5 μg of membrane protein is used in each well of a 96-well plate). 125I-radiolabeled MIP-1α, MIP-1β, and RANTES are prepared and diluted in binding buffer to a final concentration of 400 pM in the assay. Maraviroc dilutions are added to each well to a final volume of 100 μL, the assay plates incubate for 1 hour, and the contents filter through preblocked and washed Unifilter plates which are counted following overnight drying. |
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Solubility (25°C)
| In vitro | DMSO | 100 mg/mL (194.67 mM) |
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| Ethanol | 100 mg/mL (194.67 mM) | |
| Water | Insoluble | |
| In vivo | Add solvents to the product individually and in order(Data is from Selleck tests instead of citations): 2% DMSO+corn oil For best results, use promptly after mixing. |
10mg/mL |
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Chemical Information
| Molecular Weight | 513.67 |
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| Formula | C29H41F2N5O |
| CAS No. | 376348-65-1 |
| Storage | powder |
| in solvent | |
| Synonyms | UK-427857 |
Bio Calculators
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Clinical Trial Information
| NCT Number | Recruitment | interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
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| NCT02881762 | Completed | Drug: Maraviroc | Hepatitis C|Human Immunodeficiency Virus | University of Maryland Baltimore|ViiV Healthcare | June 1 2017 | Phase 4 |
| NCT02741323 | Recruiting | Drug: Maraviroc|Drug: Placebo | HIV Infections|Kidney Diseases | National Institute of Allergy and Infectious Diseases (NIAID) | January 1 2017 | Phase 2 |
| NCT02480894 | Completed | Drug: BMS-663068|Drug: Maraviroc | Infection Human Immunodeficiency Virus | ViiV Healthcare|GlaxoSmithKline | July 7 2015 | Phase 1 |
Tech Support
Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.
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Frequently Asked Questions
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Question 1:
What’s the vehicle do you recommend to dissolve the compound for in vivo experiments?
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Answer:
S2003 Maraviroc can be dissolved in 5% DMSO/castor oil at 62 mg/ml as suspension for oral administration. As to a clear solution for injection, following three vehicles at 10mg/ml will help: 1. 2% DMSO/castor oil; 2. 2%DMSO/sunflower oil; 3. 2%DMSO/30%PEG 300/ddH2O.
