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Hyaluronan hydrogel: An appropriate three-dimensional model for evaluation of anticancer drug sensitivity

Abstract : The extracellular polysaccharide hyaluronan (HA) controls cell migration, differentiation and proliferation, and contributes to the invasiveness of human cancers. In order to investigate the sensitivity of cancer cells to antimitotic agents, we developed a cross-linked HA hydrogel, a three-dimensional matrix in which cells can invade and grow. We have studied three cell lines (SA87, NCI-H460 and H460M), from primary tumors and metastases, that migrated into the HA hydrogel and proliferated giving rise to clusters and colonies. Concurrently, we studied the growth of these cell lines in a usual monolayer culture system. In these two models, increasing concentrations of doxorubicin and 5-fluorouracil were evaluated for their ability to inhibit tumor cell growth and colony formation. Taken together, our data suggest that the cancer cells were more resistant in the three-dimensional model than in monolayer cell systems. The antimitotic drugs were efficient after 24 h of treatment in the monolayer cultures, whereas they were significantly efficient only after one week of incubation in the HA hydrogels. Herein, we show that this cross-linked matrix provides a three-dimensional model particularly appropriate for investigating mechanisms involved in cancer cell line sensitivity to antimitotic drugs.
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Submitted on : Thursday, September 6, 2018 - 11:10:40 AM
Last modification on : Tuesday, October 19, 2021 - 4:15:12 PM

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Laurent David, Virginie Dulong, Didier Le Cerf, Lionel Cazin, Marek Lamacz, et al.. Hyaluronan hydrogel: An appropriate three-dimensional model for evaluation of anticancer drug sensitivity. Acta Biomaterialia, Elsevier, 2008, 4 (2), pp.256 - 263. ⟨10.1016/j.actbio.2007.08.012⟩. ⟨hal-01869062⟩



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