Antibodies
VE-822 is an ATR inhibitor with IC50 of 19 nM.
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| Description | VE-822 is an ATR inhibitor with IC50 of 19 nM. | |||||
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| Targets | ATR | ATM | ||||
| IC50 | 19 nM | 34 μM [1] | ||||
| In vitro | VE-822 (80 nM) attenuates ATR signaling pathway and reduces survival in tumor cells in response to XRT and gemcitabine. VE-822 (80 nM) attenuates ATR signaling in normal cells without enhancing radiation and gemcitabine killing in normal cells. VE-822 (80 nM) increases XRT-induced residual γH2AX and 53BP1 foci compared with XRT in MiaPaCa-2 and PSN-1 cells. VE-822 (80 nM) pre-treatment decreases Rad51 foci after XRT in MiaPaCa-2 and PSN-1 cells. VE-822 (80 nM) alone increases the G1-phase-fraction in MiaPaCa-2 and PSN-1 cells. VE-822 (80 nM) abrogates XRT enriched G2/M-phase-fraction in MiaPaCa-2 and PSN-1 cells. VE-822 has little effect alone, while VE-822 (80 nM) combined with XRT and/or gemcitabine enhances early and late apoptosis in PSN-1 cells that is strongest in the triple combination. [1] VE-822 increases tumor response to DNA damaging agents associated with blockade of pChk1 Ser345. [2] | |||||
| In vivo | VE-822 (60 mg/kg) inhibits phospho-Ser-345-Chk1 in mice bearing PSN-1 tumors after DNA-damaging agents. VE-822 (60 mg/kg) combined with XTR doubles the time for tumors to grow to 600 mm3 of XRT alone in mice bearing both PSN-1 and MiaPaCa-2 tumors. VE-822 (60 mg/kg) added to the combination of gemcitabine and XRT substantially prolongs the tumor growth delay compared with the Gem+XRT1 group n mice bearing both PSN-1 tumors. VE-822 (60 mg/kg) combined with XRT1 increases uptake in tumors by 44% compared with XRT1, suggesting that addition of VE-822 increased γH2AX phosphorylation and persistence of DNA damage caused by XRT. [1] | |||||
| Features | VE-822 is a highly selective and potent derivative of the ATR inhibitor VE-821. | |||||
| Animal Models | mice bearing PSN-1 or MiaPaCa-2 tumors |
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| Dosages | 60 mg/kg |
| Administration | Oral gavage |
| Molecular Weight (MW) | 463.55 |
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| Formula | C24H25N5O3S |
| CAS No. | 1232416-25-9 |
| Storage | 3 years -20℃Powder |
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| 6 months-80℃in DMSO | |
| Syonnyms | N/A |
| Solubility (25°C) * | In vitro | DMSO | 36 mg/mL (77 mM) |
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| Water | <1 mg/mL (<1 mM) | ||
| Ethanol | <1 mg/mL (<1 mM) | ||
| * <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. | |||
| Chemical Name | 2-Pyrazinamine, 3-[3-[4-[(methylamino)methyl]phenyl]-5-isoxazolyl]-5-[4-[(1-methylethyl)sulfonyl]phenyl]- |
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