MRT-2359 is an orally active and selective GSPT1 molecular glue degrader, with a DC50 of 5 nM. MRT-2359 induces CRBN/GSPT1 ternary complex formation to drive CRBN- and degron-dependent proteasomal GSPT1 degradation, with selectivity for wild-type GSPT1 over the GSPT1G575N mutant. MRT-2359 disrupts protein translation, induces ribosome stalling, downregulates MYC family proteins and their transcriptional output, reduces proliferation, and induces apoptosis in cancer cells. MRT-2359 can be used for the research of non-small cell lung cancer (NSCLC), small cell lung cancer (SCLC), neuroendocrine lung cancer, high grade neuroendocrine cancers, diffuse large B-cell lymphoma, prostate cancer, and MYC-driven solid tumors.
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