Sialic acids sweeten a tumor's life

Area of Science:

• Oncology
• Glycobiology
• Cancer Therapeutics

Background:

• Aberrant expression of sialic acids on cancer cell surfaces was identified over 40 years ago as a potential therapeutic target.
• Recent advances have precisely defined the mechanisms and consequences of aberrant sialic acid expression in cancer.

Purpose of the Study:

• To review recent findings on the detrimental effects of cancer cell hypersialylation.
• To discuss novel therapeutic strategies targeting aberrant sialylation in cancer.

Main Methods:

• Literature review of recent findings in glycobiology and cancer research.
• Analysis of the consequences of aberrant sialic acid expression on tumor growth, apoptosis, metastasis, and therapy resistance.

Main Results:

• Hypersialylation significantly impacts tumor growth, promotes evasion of apoptosis, facilitates metastasis, and confers resistance to therapy.
• Novel insights highlight the detrimental role of hypersialylation in multiple facets of tumor behavior.

Conclusions:

• Aberrant sialylation is a critical factor in cancer progression and therapeutic resistance.
• Further development of therapeutic approaches targeting cancer cell hypersialylation is warranted.