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题目:: Administration of nanodrugs in proper menstrual stage for maximal drug retention in breast cancer.
作者:: You(Shaojin),Li(Wei)
状态:: 发布时间2008-05-27 , 更新时间 2008-05-27
期刊:: Med Hypotheses
摘要:: Recent advances in cancer therapy have utilized nanovectors to deliver cytotoxic drugs (so called nanodrugs) to reduce the drug related side effects and improve anti-cancer efficiency. Cancer tissues consist of inherent leaky blood vessels with high permeability, which allows enhanced permeation and retention of therapeutic nanodrugs (EPR effect). The periodical sex hormonal milieus during menstrual cycle regulate the cyclic expression of VEGF in breast cancer and modulate the cancer vascular permeability. Since the expression of cancer VEGF varies considerablely great at different menstrual cycle stages, it is conceivable that the variation between the highest and lowest cancer vascular permeabilities during menstrual cycle is significant. We hypothesize that nanodrugs (i.e. Caelyx and/or Abraxane) given at the proper menstrual stage with predicted highest VEGF expression and cancer vascular permeability allow significantly increased drug retention in breast cancer, and subsequently result in the maximal cancer growth control and minimal cancer metastatic spread. On contrary, if the nanodrugs are given at the menstrual stage with predicted lowest VEGF expression and cancer vascular permeability, the drug retention within the cancer will be substantial low. This hypothesis can be tested via prospective and/or retrospective clinical trial studies on premenopausal patients or via a syngeneic mouse mammary tumor line and female mouse model.
语言:: eng
DOI:: 10.1016/j.mehy.2007.12.018

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