Olverembatinib dimesylate (HQP1351)
For research use only.
Catalog No.S7194 Synonyms: GZD824 Dimesylate
CAS No. 1421783-64-3
Olverembatinib dimesylate (HQP1351, GZD824) is a novel orally bioavailable Bcr-Abl inhibitor for Bcr-Abl(WT) and Bcr-Abl(T315I) with IC50 of 0.34 nM and 0.68 nM, respectively.
Selleck's Olverembatinib dimesylate (HQP1351) has been cited by 5 publications
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B. Western blot analysis of phosphorylated Akt, S6 and CrkL in T-ALL cell lines treated for 4 h with 2 μM Imatinib or Nilotinib or 0.1 μM GZD824. Twenty-five μg of protein were blotted to each lane. β-Actin documented equal lane loading. Imatinib, Nilotinib and GZD824 were abbreviated in IMA, NIL and GZD.
Oncotarget, 2016, 7(48):79842-79853. Olverembatinib dimesylate (HQP1351) purchased from Selleck.
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Choose Selective Bcr-Abl Inhibitors
|Description||Olverembatinib dimesylate (HQP1351, GZD824) is a novel orally bioavailable Bcr-Abl inhibitor for Bcr-Abl(WT) and Bcr-Abl(T315I) with IC50 of 0.34 nM and 0.68 nM, respectively.|
GZD824 potently inhibits the growth of Ba/F3 cells expressing wildtype Bcr-Abl with IC50 of 1.0 nM. Highly consistent with biochemical kinase inhibition and tight protein binding affinity, GZD824 also strongly inhibits the proliferation of Ba/F3 cells expressing Bcr-AblT315I mutant and 14 other resistance-relevant Bcr-Abl mutants. In addition, GZD824 efficiently suppresses the activation of Bcr-Abl as well as downstream Crkl and STAT5 in a concentration-dependent manner in K562 CML cells. 
|In vivo||GZD824, at doses of 5 and 10 mg/kg/day, dose-dependently inhibits the tumor growth in the K562 tumor xenograft and the Ku812 xenograft model without mortality or significant body loss. Besides, GZD824 (20 mg/kg/day) suppresses tumor growth in mice bearing allografted Ba/F3 cells expressing Bcr-AblWT and Bcr-AblT315I. |
FRET-Based Z′-Lyte Assay Detecting Peptide Substrate Phosphorylation:The kinases ABL1, ABL1(E255K), ABL1 (G250E), ABL1(T315I), and ABL1(Y253F) are P3049, PV3864, PV3865, PV3866, and PV3863 are full-length human recombinant protein expressed in insect cells and histidine-tagged. Inhibition activities of inhibitors against Abl1 and its mutants are performed in 384-well plates using the FRET-based Z′-Lyte assay system. Briefly, the kinase substrate is diluted into 5 μL of kinase reaction buffer; and the kinase is added. Compounds (10 nL) with indicated concentrations are then delivered to the reaction by using Echo liquid handler, and the mixture is incubated for 30 min at room temperature. Then 5 μL of 2X ATP solution is added to initiate the reaction, and the mixture is further incubated for 2 h at room temperature. The resulting reactions contains 10 μM (for wild-type Abl1, and mutants Y253F, Q252H, M351T, and H396P) or 5 μM (for mutants E255K, G250E, T315I) of ATP, 2 μM of Tyr2 Peptide substrate in 50 mM HEPES (PH 7.5), 0.01% BRIJ-35, 10 mM MgCl2, 1 mM EGTA, 0.0247 μg/mL Abl1, and inhibitors as appropriate. Then, 5 μL of development reagent is added, and the mixture is incubated for 2 h at room temperature before 5 μL of stop solution is added. Fluorescence signal ratio of 445 nm (Coumarin)/520 nm (fluorescin) is examined on an EnVision Multilabel Reader. The data are analyzed using Graphpad Prism5. The data are the mean value of three experiments.
|In vitro||DMSO||100 mg/mL (137.97 mM)|
|Water||100 mg/mL (137.97 mM)|
|In vivo||Add solvents to the product individually and in order(Data is from Selleck tests instead of citations):
For best results, use promptly after mixing.
* 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.
In vivo Formulation Calculator (Clear solution)
|Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)|
|Dosage||mg/kg||Average weight of animals||g||Dosing volume per animal||ul||Number of animals|
|Step 2: Enter the in vivo formulation ()|
|% DMSO % % Tween 80 % ddH2O|
Working concentration： mg/ml；
Method for preparing DMSO master liquid: ： mg drug pre-dissolved in μL DMSO (Master liquid concentration mg/mL，)
Method for preparing in vivo formulation：Take μL DMSO master liquid, next addμL PEG300， mix and clarify, next addμL Tween 80，mix and clarify, next add μL ddH2O，mix and clarify.
1.Please make sure the liquid is clear before adding the next solvent.
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Clinical Trial Information
|NCT Number||Recruitment||interventions||Conditions||Sponsor/Collaborators||Start Date||Phases|
|NCT04260022||Recruiting||Drug: Ascentage Pharma HQP1351 bioavailable inhibitor||Leukemia Myeloid Chronic|Myeloid Leukemia|Chronic Myeloid Leukemia|Philadelphia Positive Acute Lymphoblastic Leukemia||Ascentage Pharma Group Inc.||January 9 2020||Phase 1|
|NCT03594422||Recruiting||Drug: HQP1351||Gastrointestinal Stromal Tumor (GIST)|Solid Tumor Adult||Ascentage Pharma Group Inc.|HealthQuest Pharma Inc.||July 11 2018||Phase 1|
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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