A small molecule targeting myoferlin exerts promising anti-tumor effects on breast cancer

Tao Zhang1,2, Jingjie Li1,3, Yuan He1

  • 1East China Normal University and Shanghai Fengxian District Central Hospital Joint Center for Translational Medicine, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, 200241, Shanghai, China.

Nature Communications
|September 15, 2018
PubMed

Insights

Researchers identified WJ460 as a potent inhibitor of breast cancer cell invasion. This small molecule targets myoferlin (MYOF), a protein crucial for breast cancer metastasis, offering a potential new therapeutic strategy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Breast cancer metastasis is a major cause of mortality in women.
  • Identifying novel therapeutic targets for metastatic breast cancer is critical.

Purpose of the Study:

  • To screen for small molecule inhibitors of breast cancer cell invasion.
  • To identify the molecular target of potent anti-invasive compounds.
  • To evaluate the therapeutic potential of targeting myoferlin (MYOF) in breast cancer metastasis.

Main Methods:

  • Small molecule library screening for anti-invasive compounds.
  • Structure-activity relationship studies to optimize lead compounds.
  • Proteomic and biochemical assays to identify direct molecular targets.
  • Experimental metastasis mouse model to assess in vivo efficacy.

Main Results:

  • WJ460 identified as a lead compound with nanomolar anti-metastatic activity in breast cancer cells.
  • Myoferlin (MYOF) identified as the direct molecular target of WJ460.
  • Inhibition of MYOF, by genetic means or WJ460, reduced breast cancer lung metastasis in mice.

Conclusions:

  • Myoferlin (MYOF) plays an essential role in breast cancer progression and metastasis.
  • Targeting MYOF with WJ460 represents a promising therapeutic strategy for metastatic breast cancer.
  • MYOF is a potential molecular target for developing novel breast cancer therapies.

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