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Evidence for abrogation of oncogene-induced radioresistance of mammary cancer cells by hexadecylphosphocholine in vitro

par Bruyneel, Erik;Mareel, Marcus;Storme, Guy ;Schallier, Denis;Van Den Berge, Dirk L;Hilgard, Peter
Référence European journal of cancer, 29, 14, page (1958-1963)
Publication Publié, 1993

Article révisé par les pairs

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Résumé :

Hexadecylphosphocholine (HePC), an experimental and clinical antitumour agent of the alkyllysophospholipid group, was tested for its radiosensitisting effect on a panel of nine human mammary cancer cell lines in vitro. Growth inhibition by ionising radiation and recovery from it were not influenced by pretreatment with HePC in most cases, except for two cell lines expressing an activated ras oncogene. In the latter we found an enhanced radioresistance that was abolished by pretreatment with HePC. Our results suggest that HePC may act as a radiosensitiser for cells carrying an activated ras oncogene. © 1993.