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Response of EMT6 multicellular tumour spheroids to hyperthermia and cytotoxic drugs.

Authors
Journal
British Journal of Cancer
0007-0920
Publisher
Nature Publishing Group
Publication Date
Keywords
  • Research Article

Abstract

The response of multicellular tumour spheroids of the EMT6 cell line to combinations of hyperthermia and Bleomycin (BLM) or Adriamycin (ADM) has been investigated. Using this model system, we have demonstrated enhanced BLM cytotoxicity at 43 degrees C and also heat-induced drug tolerance to BLM at 43 degrees C. ADM cytotoxicity was not significantly increased after 43 degrees C x 1 h but after 6 h at 42 degrees C greatly enhanced cell-killing was evident. These results are discussed in relation to our previous data for EMT6 cells growing either as monolayer cultures in vitro or as solid tumours in mice.

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