Cancer Letters

Cancer Letters

Volume 55, Issue 1, 19 November 1990, Pages 75-81
Cancer Letters

Inhibitory effects of fucoxanthin, a natural carotenoid, on N-myc expression and cell cycle progression in human malignant tumor cells

https://doi.org/10.1016/0304-3835(90)90068-9Get rights and content

Abstract

Fucoxanthin, a natural carotenoid prepared from brown algae, inhibited the growth of GOTO cells, a human neuroblastoma cell line. Fucoxanthin at 10 μg/ml reduced the growth rate of GOTO cells to 38% of the control at day 3 after drug treatment. Flowcytometric analysis revealed that fucoxanthin caused the arrest in the G0–G1 phase of cell cycle. Expression of N-myc gene was proved to be decreased by fucoxanthin as early as 4 h after treatment at 10 μg/ml and that may be important for the mechanism of anti-proliferative action of the carotenoid.

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  • Biological action mechanisms of fucoxanthin extracted from algae for application in food and cosmetic industries

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    Citation Excerpt :

    Fucoxanthin extracted and isolated from Hizikia fusiformis, a brown alga widely consumed in Korea, Japan, and China, has been demonstrated to inhibit the expression of N-myc, a proto-oncogene protein, as well as the proliferation of GOTO cells, a cell line responsible for human neuroblastoma. An amount of fucoxanthin equivalent to 1–10 g/mL is enough to inhibit the growth rate of such a cell line (GOTO) at 38%, decreasing the rate of progression of this neurodegenerative disease, so even though results using fucoxanthin are positive; it will take time to combat it (Okuzumi et al., 1990). Another study showed that fucoxanthin obtained from wakame also achieved a decrease in cellular damage of cortical neurons when hypoxia and oxygen reperfusion conditions were induced.

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