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Formula | C27H32N8O2 |
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Molecular Weight | 500.6 | CAS No. | 955365-80-7 | ||||
Solubility (25°C)* | In vitro | DMSO | 100 mg/mL (199.76 mM) | ||||
Water | Insoluble | ||||||
Ethanol | Insoluble | ||||||
In vivo (Add solvents to the product individually and in order) |
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* <1 mg/ml means slightly soluble or insoluble. * 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. * Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.) |
Description | Adavosertib (MK-1775, AZD1775) is a potent and selective Wee1 inhibitor with IC50 of 5.2 nM in a cell-free assay; hinders G2 DNA damage checkpoint. Phase 2. | ||
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Targets |
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In vitro | MK-1775 inhibits Wee1 kinase in an ATP-competitive manner. Compared to Wee1, MK-1775 displays 2- to 3-fold less potency against Yes with IC50 of 14 nM, 10-fold less potency against seven other kinases with >80% inhibition at 1 μM, and >100-fold selectivity over human Myt 1, another kinase that inhibits cyclin-dependent kinase 1 (CDC2) by phosphorylation at an alternative site (Thr14). By abrogating the DNA damage checkpoint via blockade of Wee1 activity in WiDr cells bearing mutated p53, MK-1775 treatment inhibits the basal phosphorylation of CDC2 at Tyr15 (CDC2Y15) with EC50 of 49 nM, and suppresses induced phosphorylation of CDC2 and cell cycle arrest in a dose-dependent manner, with EC50 of 82 nM and 81 nM, 180 nM and 163 nM, as well as 159 nM and 160 nM, respectively. MK-1775 treatment alone at 30-100 nM has no significant antiproliferative effect in WiDr and H1299 cells, whereas MK-1775 at 300 nM, sufficient to inhibit Wee1 by >80%, displays moderate but significant antiproliferative effects by 34.1% in WiDr cells and 28.4% in H1299 cells. [1] |
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In vivo | MK-1775 treatment alone at ~20 mg/kg displays minimal antitumor effects against WiDr xenografts in rats with T/C of 69% at day 3. Antitumor efficacy by MK-1775 alone in the nude rat HeLa-luc and TOV21G-shp53 xenograft models is also moderate. [1] |
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Features | The first reported Wee1 inhibitor. |
Kinase Assay: |
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Cell Assay: |
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Animal Study: |
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Data from [Data independently produced by J Hematol Oncol, 2014, 7:53]
Data from [Data independently produced by Oncol Rep, 2014, 32(5), 1991-8]
Data from [Data independently produced by Endocrinology, 2013, 154(9), 3219-27]
Data from [Data independently produced by PLoS One, 2013, 8(3), e57523]
Defining the KRAS- and ERK-dependent transcriptome in KRAS-mutant cancers [ Science, 2024, 384(6700):eadk0775] | PubMed: 38843331 |
Heterogeneity-driven phenotypic plasticity and treatment response in branched-organoid models of pancreatic ductal adenocarcinoma [ Nat Biomed Eng, 2024, 10.1038/s41551-024-01273-9] | PubMed: 39658630 |
Comprehensive multi-omics analysis reveals WEE1 as a synergistic lethal target with hyperthermia through CDK1 super-activation [ Nat Commun, 2024, 15(1):2089] | PubMed: 38453961 |
ATR limits Rad18-mediated PCNA monoubiquitination to preserve replication fork and telomerase-independent telomere stability [ EMBO J, 2024, 43(7):1301-1324] | PubMed: 38467834 |
ATR, CHK1 and WEE1 inhibitors cause homologous recombination repair deficiency to induce synthetic lethality with PARP inhibitors [ Br J Cancer, 2024, 10.1038/s41416-024-02745-0] | PubMed: 38965423 |
GCN2 is a determinant of the response to WEE1 kinase inhibition in small-cell lung cancer [ Cell Rep, 2024, 43(8):114606] | PubMed: 39120974 |
G2 arrest primes hematopoietic stem cells for megakaryopoiesis [ Cell Rep, 2024, 43(7):114388] | PubMed: 38935497 |
The Golgi checkpoint: Golgi unlinking during G2 is necessary for spindle formation and cytokinesis [ Life Sci Alliance, 2024, 7(5)e202302469] | PubMed: 38479814 |
Afatinib or Bevacizumab in combination with Osimertinib efficiently control tumor development in orthotopic murine models of non-small lung cancer [ PLoS One, 2024, 19(6):e0304914] | PubMed: 38935790 |
The polymeric fluoropyrimidine CF10 overcomes limitations of 5-FU in pancreatic ductal adenocarcinoma cells through increased replication stress [ Cancer Biol Ther, 2024, 25(1):2421584] | PubMed: 39513592 |
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