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题目:: Invading cancer cells are predominantly in G0/G1 resulting in chemoresistance demonstrated by real-time FUCCI imaging.
作者:: Yano(Shuya),Miwa(Shinji),Mii(Sumiyuki),Hiroshima(Yukihiko),Uehara(Fuminari),Yamamoto(Mako),Kishimoto(Hiroyuki),Tazawa(Hiroshi),Bouvet(Michael),Fujiwara(Toshiyoshi),Hoffman(Robert M)
状态:: 发布时间2014-03-20 , 更新时间 2016-11-25
期刊:: Cell Cycle
摘要:: Invasive cancer cells are a critical target in order to prevent metastasis. In the present report, we demonstrate real-time visualization of cell cycle kinetics of invading cancer cells in 3-dimensional (3D) Gelfoam® histoculture, which is in vivo-like. A fluorescence ubiquitination cell cycle indicator (FUCCI) whereby G0/G1 cells express a red fluorescent protein and S/G2/M cells express a green fluorescent protein was used to determine the cell cycle position of invading and non-invading cells. With FUCCI 3D confocal imaging, we observed that cancer cells in G0/G1 phase in Gelfoam® histoculture migrated more rapidly and further than cancer cells in S/G2/M phases. Cancer cells ceased migrating when they entered S/G2/M phases and restarted migrating after cell division when the cells re-entered G0/G1. Migrating cancer cells also were resistant to cytotoxic chemotherapy, since they were preponderantly in G0/G1, where cytotoxic chemotherapy is not effective. The results of the present report suggest that novel therapy targeting G0/G1 cancer cells should be developed to prevent metastasis.
语言:: eng
DOI:

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