Seaweed polysaccharides with anticancer potential
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AbstractAqueous extracts from 12 species of Hong Kong seaweeds were screened for their antiproliferative potential on HL-60 and MCF-7 cell lines. Eight seaweeds exhibited selective antiproliferative activity on HL-60 cells, while 10 species possessed some effect on MCF-7 cell line. Two brown seaweeds, Hydroclathrus clathratus and Padina arborescenos, had a higher inhibitory effect on the growth of both cancer cell lines than the others and were less toxic to normal cells. The extract of H. clathratus (Hy) caused morphological alteration of MCF-7 cells when they were treated at the beginning of incubation. Some polysaccharide fractions isolated and purified from Hy had antiproliferative activity on both HL-60 and MCF-7 cell lines. Furthermore, all of these fractions, including the crude extract, had varying degrees of antioxidant activity. In vivo antitumor tests using Sarcoma 180 tumor-bearing BALB/c mice showed that the fraction H3-a from H. clathratus had the best effect in suppressing tumor growth in the treated mice.
All Author(s) ListWang H, Chiu LCM, Ooi VEC, Ang PO
Journal nameBotanica Marina
Year2008
Month8
Day1
Volume Number51
Issue Number4
PublisherDe Gruyter
Pages313 - 319
ISSN0006-8055
eISSN1437-4323
LanguagesEnglish-United Kingdom
Keywordsantiproliferation; antitumor; Hydroclathrus clathratus; polysaccharide; seaweed
Web of Science Subject CategoriesMarine & Freshwater Biology; MARINE & FRESHWATER BIOLOGY; Plant Sciences; PLANT SCIENCES

Last updated on 2020-03-07 at 02:28