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Review
. 2021 May 10;19(5):265.
doi: 10.3390/md19050265.

The Therapeutic Potential of the Anticancer Activity of Fucoidan: Current Advances and Hurdles

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Review

The Therapeutic Potential of the Anticancer Activity of Fucoidan: Current Advances and Hurdles

Jun-O Jin et al. Mar Drugs. .

Abstract

Several types of cancers share cellular and molecular behaviors. Although many chemotherapy drugs have been designed to weaken the defenses of cancer cells, these drugs may also have cytotoxic effects on healthy tissues. Fucoidan, a sulfated fucose-based polysaccharide from brown algae, has gained much attention as an antitumor drug owing to its anticancer effects against multiple cancer types. Among the anticancer mechanisms of fucoidan are cell cycle arrest, apoptosis evocation, and stimulation of cytotoxic natural killer cells and macrophages. Fucoidan also protects against toxicity associated with chemotherapeutic drugs and radiation-induced damage. The synergistic effect of fucoidan with existing anticancer drugs has prompted researchers to explore its therapeutic potential. This review compiles the mechanisms through which fucoidan slows tumor growth, kills cancer cells, and interacts with cancer chemotherapy drugs. The obstacles involved in developing fucoidan as an anticancer agent are also discussed in this review.

Keywords: anticancer activity; brown algae; cytotoxic effects; fucoidan; tumor growth.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
The chemical structures of fucoidan of two different backbones (A,B). R shows the potential places for attachment of carbohydrate (α-l-fucopyranose and α-d-glucuronic acid) and noncarbohydrate (sulfate and acetyl groups) substituents, adapted from [21].
Figure 2
Figure 2
Fucoidan binds to specific types of receptors in macrophage cell membranes and activates MAPKs, which further prompt the activation of transcription factors, adapted from [25].

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