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Substituted pteridinones as p90 ribosomal S6 protein kinase (RSK) inhibitors: A structure-activity study.

Abstract：

:The activity of p90 ribosomal S6 kinase 2 (RSK2) has emerged as an attractive target for cancer therapy due to its role in the regulation of diverse cellular processes, such as cell transformation and proliferation. Several pan-RSK inhibitors have been identified with BI-D1870 and the pseudo-analogs LJH685 and LJI308 being the most selective, potent, and frequently used small molecule inhibitors. We designed and synthesized a series of pteridinones and pyrimidines to evaluate the structural features of BI-D1870 that are required for RSK2 inhibition. We have identified inhibitors of RSK2 activity, evaluated their target engagement in cells, and measured their effect on cell viability and cytotoxicity in the MOLM-13 acute myeloid leukemia (AML) cell line. The results of our studies support that RSK2 inhibition can be achieved in MOLM-13 cells without potent cytotoxicity. The structure-activity data from this study will be used as a platform to develop novel RSK2 inhibitors.

journal_name

Bioorg Med Chem

journal_title

Bioorganic & medicinal chemistry

authors

Casalvieri KA,Matheson CJ,Backos DS,Reigan P

doi

10.1016/j.bmc.2019.115303

subject

Has Abstract

pub_date

2020-03-01 00:00:00

pages

115303

issue

5

eissn

0968-0896

issn

1464-3391

pii

S0968-0896(19)31117-4

journal_volume

28

pub_type

杂志文章

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