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Article Publish Status: FREE
Abstract Title:

Epigenetic Modification and Differentiation Induction of Malignant Glioma Cells by Oligo-Fucoidan.

Abstract Source:

Mar Drugs. 2019 Sep 8 ;17(9). Epub 2019 Sep 8. PMID: 31500384

Abstract Author(s):

Chien-Huang Liao, I-Chun Lai, Hui-Ching Kuo, Shuang-En Chuang, Hsin-Lun Lee, Jacqueline Whang-Peng, Chih-Jung Yao, Gi-Ming Lai

Article Affiliation:

Chien-Huang Liao

Abstract:

Malignant glioma (MG) is a poor prognostic brain tumor with inevitable recurrence after multimodality treatment. Searching for more effective treatment is urgently needed. Differentiation induction via epigenetic modification has been proposed as a potential anticancer strategy. Natural products are known as fruitful sources of epigenetic modifiers with wide safety margins. We thus explored the effects of oligo-fucoidan (OF) from brown seaweed on this notion in MG cells including Grade III U87MG cells and Grade IV glioblastoma multiforme (GBM)8401 cells and compared to the immortalized astrocyte SVGp12 cells. The results showed that OF markedly suppress the proliferation of MG cells and only slightly affected that of SVGp12 cells. OF inhibited the protein expressions of DNA methyltransferases 1, 3A and 3B (DNMT1, 3A and 3B) accompanied with obvious mRNA induction of differentiation markers (,,,,and) both in U87MG and GBM8401 cells. Accordingly, the methylation of, a DNMT3B target gene, was decreased by OF. In combination with the clinical DNMT inhibitor decitabine, OF could synergize the growth inhibition andinduction in U87MG cells. Appropriated clinical trials are warranted to evaluate this potential complementary approach for MG therapy after confirmation of the effects in vivo.

Study Type : In Vitro Study

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Sayer Ji
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