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A potent and selective small-molecule degrader of STAT3 achieves complete tumor regression in vivo

ABSTRACT: A potent and selective small-molecule degrader of STAT3 achieves complete tumor regression in vivo

PROVIDER: PRJNA543332 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9074380.fastq.gz	Fastqsanger.gz
	SRR9074390.fastq.gz	Fastqsanger.gz
	SRR9074381.fastq.gz	Fastqsanger.gz
	SRR9074391.fastq.gz	Fastqsanger.gz
	SRR9074382.fastq.gz	Fastqsanger.gz

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A potent and selective small-molecule degrader of STAT3 achieves complete tumor regression in vivo

Project description:Signal transducer and activator of transcription 3 (STAT3) is an attractive cancer therapeutic target. We report herein the discovery of SD-36, a small-molecule degrader of STAT3. SD-36 potently induces the degradation of STAT3 protein in vitro and in vivo and demonstrates high selectivity over other STAT members. Induced degradation of STAT3 results in a strong suppression of its transcription network in leukemia and lymphoma cells. SD-36 inhibits the growth of a subset of acute myeloid leukemia and anaplastic large cell lymphoma cell lines by inducing cell cycle arrest and/or apoptosis. SD-36 achieves complete and long-lasting tumor regression in multiple xenograft mouse models at well tolerated dose schedules. Degradation of STAT3 protein therefore represents a promising cancer therapeutic strategy.

2019-11-11 | GSE131358 | GEO

A Potent and Selective Small-Molecule Degrader of STAT3 Achieves Complete Tumor Regression In Vivo.

Project description:Signal transducer and activator of transcription 3 (STAT3) is an attractive cancer therapeutic target. Here we report the discovery of SD-36, a small-molecule degrader of STAT3. SD-36 potently induces the degradation of STAT3 protein in vitro and in vivo and demonstrates high selectivity over other STAT members. Induced degradation of STAT3 results in a strong suppression of its transcription network in leukemia and lymphoma cells. SD-36 inhibits the growth of a subset of acute myeloid leukemia and anaplastic large-cell lymphoma cell lines by inducing cell-cycle arrest and/or apoptosis. SD-36 achieves complete and long-lasting tumor regression in multiple xenograft mouse models at well-tolerated dose schedules. Degradation of STAT3 protein, therefore, is a promising cancer therapeutic strategy.

| S-EPMC6880868 | biostudies-literature

A Potent and Selective Small-Molecule STAT5 PROTAC Degrader Capable of Achieving Tumor Regression In Vivo

Project description:A Potent and Selective Small-Molecule STAT5 PROTAC Degrader Capable of Achieving Tumor Regression In Vivo

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A Selective Small-Molecule STAT5 PROTAC Degrader Capable of Achieving Tumor Regression In Vivo

Project description:The signal transducer and activator of transcription 5 (STAT5) is an attractive therapeutic target but successful targeting of STAT5 has proved to be difficult. We report herein the development of AK-2292 as a first, potent and selective small-molecule degrader of both STAT5A and STAT5B isoforms. AK-2292 induces degradation of STAT5A/B proteins with an outstanding selectivity over all other STAT proteins and >6,000 non-STAT proteins, leading to selective inhibition of STAT5 activity in cells. AK-2292 effectively induces STAT5 depletion in normal mouse tissues and human chronic myeloid leukemia (CML) xenograft tissues and achieves tumor regression in two CML xenograft mouse models at well-tolerated dose-schedules. AK-2292 is not only a powerful research tool with which to investigate the biology of STAT5 and therapeutic potential of selective STAT5 protein depletion and inhibition in vitro and in vivo, but also a promising lead compound toward ultimate development of a STAT5-targeted therapy.

2023-01-25 | PXD037895 | Pride

A Potent and Selective Small-Molecule STAT5 PROTAC Degrader Capable of Achieving Tumor Regression In Vivo

Project description:We have developed AK2292 as a first, potent and selective small-molecule degrader of both STAT5A and STAT5B isoforms. To investigate the effect of STAT5A/STAT5B depletion on the transcriptome, we treated KU812 and NCO2 cells with AK2292 at 1 μM for 8 h and performed RNA-seq analysis. As a control, we treated KU812 and NCO2 cells with AK2292Me at 5 μM for 24 h for RNA-seq analysis. RNA-seq analysis revealed that AK2292 downregulates the transcriptome associated with STAT5A and STAT5B.

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SD-91 as A Potent and Selective STAT3 Degrader Capable of Achieving Complete and Long-Lasting Tumor Regression.

Project description:Signal transducer and activator of transcription 3 (STAT3) is an attractive cancer therapeutic target. We report herein our extensive in vitro and in vivo evaluations of SD-91, the product of the hydrolysis of our previously reported STAT3 degrader SD-36. SD-91 binds to STAT3 protein with a high affinity and displays >300-fold selectivity over other STAT family protein members. SD-91 potently and effectively induces degradation of STAT3 protein and displays a high selectivity over other STAT members and >7000 non-STAT proteins in cells. A single administration of SD-91 selectively depletes STAT3 protein in tumor tissues with a persistent effect. SD-91 achieves complete and long-lasting tumor regression in the MOLM-16 xenograft model in mice even with weekly administration. Hence, SD-91 is a potent, highly selective, and efficacious STAT3 degrader for extensive evaluations for the treatment of human cancers and other diseases for which STAT3 plays a key role.

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2023-07-18 | GSE211758 | GEO

Discovery of a Highly Potent and Selective HDAC3 and HDAC8 PROTAC Dual Degrader

Project description:Discovery of a Highly Potent and Selective HDAC3 and HDAC8 PROTAC Dual Degrader

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A potent and selective small-molecule degrader of ENL suppresses leukemia progression in vivo

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A selective BCL-X<sub>L</sub> PROTAC degrader achieves safe and potent antitumor activity.

Project description:B-cell lymphoma extra large (BCL-XL) is a well-validated cancer target. However, the on-target and dose-limiting thrombocytopenia limits the use of BCL-XL inhibitors, such as ABT263, as safe and effective anticancer agents. To reduce the toxicity of ABT263, we converted it into DT2216, a BCL-XL proteolysis-targeting chimera (PROTAC), that targets BCL-XL to the Von Hippel-Lindau (VHL) E3 ligase for degradation. We found that DT2216 was more potent against various BCL-XL-dependent leukemia and cancer cells but considerably less toxic to platelets than ABT263 in vitro because VHL is poorly expressed in platelets. In vivo, DT2216 effectively inhibits the growth of several xenograft tumors as a single agent or in combination with other chemotherapeutic agents, without causing appreciable thrombocytopenia. These findings demonstrate the potential to use PROTAC technology to reduce on-target drug toxicities and rescue the therapeutic potential of previously undruggable targets. Furthermore, DT2216 may be developed as a safe first-in-class anticancer agent targeting BCL-XL.

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