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Updated: Nov 29, 2025

In vitro Organoid Culture of Primary Mouse Colon Tumors
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In vitro Organoid Culture of Primary Mouse Colon Tumors

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PRMT1 inhibition induces differentiation of colon cancer cells

Alexander Plotnikov1, Noga Kozer2, Galit Cohen2

  • 1Wohl Institute for Drug Discovery, High Throughput Screening Unit, Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot, Israel. alexander.plotnikov@weizmann.ac.il.

Scientific Reports
|November 19, 2020
PubMed

Insights

Researchers discovered MS023, a protein arginine methyl transferase (PRMT) type 1 inhibitor, effectively induces colon cancer cell differentiation. This finding offers a promising new avenue for developing novel cancer therapies targeting aberrant cell growth.

Area of Science:

  • Oncology
  • Molecular Biology
  • Drug Discovery

Background:

  • Differentiation therapy is a promising cancer treatment strategy targeting aberrant cell growth and restoring normal cell functions.
  • Solid tumor differentiation therapy faces significant challenges, limiting clinical progress.

Purpose of the Study:

  • To identify compounds that induce differentiation in human colon cancer cells using High Throughput Screening (HTS).
  • To evaluate the therapeutic potential of identified compounds in preclinical models.

Main Methods:

  • Utilized a novel dual multiplex assay for High Throughput Screening (HTS) to discover differentiation-inducing compounds.
  • Investigated differentiation effects using proteomic and genomic analyses in HT-29 colon cancer cells.
  • Assessed the in vivo efficacy of MS023 in a human colon cancer xenograft mouse model.

Main Results:

  • Identified MS023, a protein arginine methyl transferase (PRMT) type 1 inhibitor, as a potent inducer of colon cancer cell differentiation.
  • Demonstrated significant differentiation changes in HT-29 cells via proteomic and genomic profiling.
  • Observed significant delay in HT-29 xenograft tumor growth in mice treated with MS023, with confirmed differentiation changes via immunohistochemistry.

Conclusions:

  • MS023 shows significant potential as a differentiation-inducing agent for colon cancer.
  • The study highlights the therapeutic promise of targeting PRMT type 1 for cancer treatment.
  • Findings support the development of novel anti-cancer drugs based on cancer cell differentiation mechanisms.

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