4-Hydroxyacetophenone modulates the actomyosin cytoskeleton to reduce metastasis

Area of Science:

• Oncology
• Cell Biology
• Biochemistry

Background:

• Metastasis, the spread of cancer cells, is responsible for most cancer-related deaths.
• The metastatic process involves complex cellular mechanics, including migration and tissue barrier penetration.
• Targeting these mechanical processes presents a novel therapeutic strategy.

Purpose of the Study:

• To investigate the anti-metastatic effects of 4-hydroxyacetophenone (4-HAP).
• To elucidate the molecular mechanisms underlying 4-HAP's action on colon cancer metastasis.
• To identify nonmuscle myosin-2C (NM2C) as a potential therapeutic target.

Main Methods:

• In vitro assays assessing colon cancer cell adhesion, invasion, and migration.
• In vivo mouse model of colon cancer liver metastasis.
• Analysis of actin organization and nonmuscle myosin-2C (NM2C) activation.

Main Results:

• 4-hydroxyacetophenone (4-HAP) significantly inhibited colon cancer cell adhesion, invasion, and migration in vitro.
• 4-HAP treatment reduced the metastatic burden in a liver metastasis model.
• 4-HAP activated nonmuscle myosin-2C (NM2C), altering actin organization and inhibiting cancer cell mechanical programs.

Conclusions:

• 4-hydroxyacetophenone (4-HAP) demonstrates potent anti-metastatic activity against colon cancer.
• Activation of nonmuscle myosin-2C (NM2C) by 4-HAP is a key mechanism inhibiting metastasis.
• Targeting NM2C offers a promising therapeutic avenue for managing metastatic disease, potentially in combination with other treatments.