Osimertinib-d6(Synonyms: AZD-9291-d6; Mereletinib-d6)

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Osimertinib-d6 (Synonyms: AZD-9291-d6; Mereletinib-d6)

Osimertinib D6 (AZD-9291 D6) 是氘标记的 Osimtinib。 Osimtinib 是一种共价结合、具有口服活性、不可逆和突变的选择性的 EGFR 抑制剂，其有效抑制 L858R (IC50=12 nM) 和 L858R/T790M (IC50=1 nM) EGFR。Osimtinib 解决了肺癌 T790M 突变介导的 EGFR 抑制剂耐药。

Osimertinib-d6(Synonyms: AZD-9291-d6; Mereletinib-d6)

Osimertinib-d6 Chemical Structure

CAS No. : 1638281-44-3

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生物活性

Osimertinib D6 (AZD-9291 D6) is a deuterium labeled osimertinib. Osimertinib is a covalent, orally active, irreversible, and mutant-selective EGFR inhibitor with an apparent IC50 of 12 nM against L858R and 1 nM against L858R/T790M. Osimertinib overcomes T790M-mediated resistance to EGFR inhibitors in lung cancer[1].

体外研究
(In Vitro)

Osimertinib (AZD9291) (0-10 μM; 72 hours) dramatically inhibits cell proliferation with IC50s of 41, 26, 41, and 31 nM, respectively[2].
Osimertinib (0-10 μM; 72 hours) inhibits cell proliferation (Ba/F3 cells harboring a T790M mutation, exon 19del+T790M, or L858R+T790M) with IC50s of 6, 7, and 74 nM, respectively[2].
Osimertinib (0-10 μM; 72 hours) inhibits Ba/F3 cells harboring EGFR exon 20 insertion mutations (IC50 ranging from 16-701 nM for A763_Y764insFQEA (FQEA), Y764_V765insHH (HH), A767_V769dupASV (ASV), and D770_N771insNPG (NPG) cells) [2].
Osimertinib shows high levels of phenotype potency in both sensitizing-mutant (mean IC50 of 8 nM in PC-9) and T790M (mean IC50 of 11 and 40 nM in H1975 and PC-9VanR respectively) EGFR cell lines. Osimertinib has much less activity towards wild-type EGFR (mean IC50 of 650 and 461 nM in Calu3 and H2073 respectively)[1].
Osimertinib (0.1 μM; 48 hours) induces apoptosis in Ba/F3 cells (apoptosis rate of 40.9% and 90% in EGFR exon 19del+T790M, EGFR L858R+T790M respectively) [2].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Proliferation Assay[2]

Cell Line: PC-9, H3255, PC-9ER, and H1975 cells
Concentration: 0.0001, 0.001, 0.01, 0.1, 1, 10 μM
Incubation Time: 72 hours
Result: Dramatically inhibited cell proliferation (IC50=41,26, 41, 31 nM, respectively)

Cell Proliferation Assay[2]

Cell Line: Ba/F3 cells (harboring a T790M mutation, exon 19del+T790M, or L858R+T790M)
Concentration: 0.0001, 0.001, 0.01, 0.1, 1, 10 μM
Incubation Time: 72 hours
Result: Inhibited cell proliferation (IC50 = 6, 7, 74 nM, respectively)

Apoptosis Analysis[2]

Cell Line: Ba/F3 cells (harboring EGFR exon 20 insertion mutations)
Concentration: 0.0001, 0.001, 0.01, 0.1, 1, 10 μM
Incubation Time: 72 hours
Result: Inhibited cell proliferation (IC50 = 16, 701, 230, 38 nM, respectively)

Apoptosis Analysis[2]

Cell Line: Ba/F3 cells(harboring EGFR exon 19del+T790M or EGFR L858R+T790M)
Concentration: 0.1 μM
Incubation Time: 48 hours
Result: Inducted apoptosis with the rate of 40.9% and 90% in EGFR T790M positive mutations cells respectively.

体内研究
(In Vivo)

Osimertinib (0.1-25 mg/kg; p.o.; daily for 14 day) induces significant dose-dependent regression in both PC-9 (ex19del) and H1975 (L858R/T790M) tumor xenograft models[1].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: PC-9 (ex19del) and H1975 (L858R/T790M) tumor xenograft models[1]
Dosage: 0.1-10 mg/kg (PC-9 xenograft models); 0.5- 25 mg/kg (H1975 xenograft models)
Administration: p.o.; daily for 14 day
Result: Induced significant dose-dependent regression in both PC-9 (ex19del) and H1975 (L858R/T790M) tumor xenograft models.

分子量

505.64

Formula

C28H27D6N7O2
CAS 号

1638281-44-3
中文名称

奥斯替尼 d6
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

4°C, protect from light, stored under nitrogen

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)
参考文献

  • [1]. Cross DA, et al. AZD9291, an irreversible EGFR TKI, overcomes T790M-mediated resistance to EGFR inhibitors in lung cancer. Cancer Discov. 2014 Sep;4(9):1046-61.

    [2]. [2]Hirano T, et al. Pharmacological and Structural Characterizations of Naquotinib, a Novel Third-Generation EGFR Tyrosine Kinase Inhibitor, in EGFR-Mutated Non-Small Cell Lung Cancer. Mol Cancer Ther. 2018 Apr;17(4):740-750.

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