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  4. (R)-OR-S1

(R)-OR-S1是OR-S1的异构体。ZH1/2双抑制剂OR-S1和OR-S2对EZH1和EZH2都表现出强烈的抑制活性。OR-S1和OR-S2是针对EZH1和EZH2的高度选择性的甲基转移酶抑制剂，它们具有非常相似的分子特征。因此，我们研究了OR-S1对急性髓系白血病（AML）的影响。研究发现，OR-S1能够诱导AML细胞的细胞分化和凋亡。这些发现鼓励我们研究功能性LT-HSCs是否能在OR-S1或OR-S1与阿糖胞苷联合抑制的PRC2靶向抑制下存活。结果显示，OR-S1没有引起显著的骨髓抑制，而且接受联合抑制的BM细胞即使在抑制后4个月也能进行正常的造血。因此，暂时抑制EZH1和EZH2在临床上是可以忍受的，使得这种联合抑制适用于AML患者。通常认为，AML起源于继承了大量生物学特性的髓系祖细胞。

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(R)-OR-S1 Chemical Structure

(R)-OR-S1 Chemical Structure

CAS No. : 1809336-19-3

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(R)-OR-S1 相关抗体

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  • 生物活性

  • 纯度 & 产品资料

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生物活性

(R)-OR-S1 is an isomer of OR-S1. The dual ZH1/2 inhibitors OR-S1 and OR-S2 exhibit strong inhibitory activity against both EZH1 and EZH2. OR-S1 and OR-S2 are highly selective methyltransferase inhibitors against EZH1 and EZH2, and they have very similar molecular features. Therefore, we investigated the effect of OR-S1 on acute myeloid leukemia (AML). We found that OR-S1 was able to induce cell differentiation and apoptosis in AML cells. These findings encouraged us to investigate whether functional LT-HSCs could survive PRC2-targeted therapy with OR-S1 or OR-S1 combined with cytarabine. The results showed that OR-S1 did not cause significant myelosuppression, and BM cells treated with the combination therapy were able to undergo normal hematopoiesis even 4 months after treatment. Therefore, temporary inhibition of EZH1 and EZH2 is clinically tolerable, making this combination therapy suitable for AML patients. AML is generally believed to originate from myeloid progenitor cells that inherit a large number of biological properties.

分子量

532.47

Formula

C26H34BrN3O4
CAS 号
运输条件

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

Please store the product under the recommended conditions in the Certificate of Analysis.
纯度 & 产品资料
参考文献

(R)-OR-S1 相关分类

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Keywords:

(R)-OR-S11809336-19-3OthersInhibitorinhibitorinhibit

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