Carbohydrate dependent targeting of cancer cells by bleomycin-microbubble conjugates.

Carbohydrate dependent targeting of cancer cells by bleomycin-microbubble conjugates.
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DOI:
10.1021/ja8091104
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发表时间:
2009-02-25
影响因子:
15
通讯作者:
Hecht SM
Hecht SM
中科院分区:
化学1区
文献类型:
--
作者:
Chapuis JC;Schmaltz RM;Tsosie KS;Belohlavek M;Hecht SM

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Biotinylated bleomycin A5 was attached to streptavidin-derivatized microbubbles and a solution containing the conjugate was passed over a monolayer of cultured MCF-7 cells. The bleomycin-derivatized microbubbles adhered to the MCF-7 cells, and the association could be monitored by the use of a microscope. Three other cancer cell lines gave similar results. The bleomycin-microbubble conjugate did not bind to a normal breast cell line (MCF-10A), nor to the matched non-cancer cell lines corresponding to the other cancer cell lines targeted by bleomycin. No binding to any tested cell line was observed when the microbubbles lacked conjugated bleomycin A5, or when the microbubble contained a bleomycin A5 analogue lacking the carbohydrate moiety.
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