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http://dx.doi.org/10.5352/JLS.2005.15.6.857

Inhibitory Effect of Low-molecularized Polymannuronate on Proliferation and DNA Synthesis of Human Colon Cancer Cells  

Kim In-Hye (Faculty of Food Science and Biotechnology, Pukyong National University)
Nam Taek-Jeong (Faculty of Food Science and Biotechnology, Pukyong National University)
Publication Information
Journal of Life Science / v.15, no.6, 2005 , pp. 857-862 More about this Journal
Abstract
This study investigated the proliferation and DNA synthesis inhibitory effect of concentrations ($0.01\%$, $0.1\%$, $0.25\%$, $0.5\%$) when added whole molecular-, 40 kDa-, or 10 kDa polymannuronate on human colon cancer cells, HT-29, DLD-1, and WiDr, in vitro. In order to determine the proliferation inhibitory effect of low-molecularized polymannuronate, the treatment of whole molecular-, 40 kDa-, 10 kDa-, polymannuronate ($0.25\%$) to the HT-29 cancer cells inhibited proliferation of cancer cells by $41\%$, $69.1\%$, and $75.6\%$, respectively. DLD-1 cancer cell was not relation of molecular weight and concentration. WiDr cancer cell depend on concentration without molecular weight. In addition, whole molecular-, 40 kDa-, 10 kDa poly mannuronate ($0.25\%$) significantly inhibited DNA synthesis of HT-29 cancer .cells by $78\%$, $58\%$, and $56\%$, respectively. And morphological changes not found under microscope by polymannuronate. Therefore polymannuronate would be helpful to colon cancer treatment as well as cancer prevention and this study would be the basic source for further research of polymannuronate.
Keywords
Low-molecularized polymannuronate; Human colon cancer cell; Proliferation inhibition; DNA synthesis;
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