Multifaceted ability of naturally occurring polyphenols against metastatic cancer

Area of Science:

• Oncology
• Natural Products Chemistry
• Molecular Biology

Background:

• Cancer metastasis is a primary cause of cancer-related mortality, with limited effective treatments.
• Naturally occurring polyphenols are abundant dietary antioxidants with demonstrated chemopreventive and chemotherapeutic potential.
• Preclinical research increasingly focuses on polyphenol mechanisms against cancer progression.

Purpose of the Study:

• To review the evidence supporting polyphenols' ability to inhibit tumor cell invasion and migration.
• To elucidate the diverse molecular mechanisms through which polyphenols exert antimetastatic effects.
• To highlight the therapeutic potential of polyphenols as adjuvant therapy for metastatic cancer.

Main Methods:

• Review of preclinical studies using cell cultures and animal models.
• Analysis of molecular pathways targeted by polyphenols.
• Investigation of mechanisms including matrix metalloproteinase (MMP) expression, epithelial-mesenchymal transition (EMT), Met signaling, and nuclear factor-kappa B (NF-κB) pathways.

Main Results:

• Polyphenols demonstrate significant inhibitory effects on tumor cell invasion and migration.
• Mechanisms include downregulation of MMPs, modulation of EMT regulators, interference with Met signaling, and inhibition of NF-κB.
• Polyphenols exhibit multi-target and multi-functional properties relevant to combating metastasis.

Conclusions:

• Polyphenols show considerable promise as antimetastatic agents.
• Their ability to target multiple pathways involved in metastasis is a key advantage.
• Polyphenols are promising candidates for adjuvant therapy to combat metastatic cancer.