転移性細胞B16-F1黒色腫の形状変化に伴う自己分泌型運動性因子及びそのレセプターの発現に関する研究

DOI オープンアクセス
  • 渡辺 秀臣
    Cancer Metastasis Program, Michigan Cancer Foundation 群馬大学整形外科 群馬大学医学部整形外科学教室
  • NABI IVAN R.
    Cancer Metastasis Program, Michigan Cancer Foundation
  • RAZ AVRAHAM
    Cancer Metastasis Program, Michigan Cancer Foundation

書誌事項

タイトル別名
  • EFFECT OF CELL SHAPE MODULATION ON THE EXPRESSION OF AUTOCRINE MOTILITY FACTOR AND ITS RECEPTOR

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説明

Phagokinetic assay demonstrated that B16-F1 melanoma cells cultivated in vitro as spheroids on a non-adhesive substrate produce more autocrine motility factor (s) as compared to cells cultured as a monolayer. Cells grown as spheroids showed more motile activity stimulated by conditioned media than cells grown as a monolayer. Fluorescence activated cell sorter analysis showed that cells cultivated as spheroids are less stained with the 3F3A monoclonal antibody directed against a Mr 78, 000 glycoprotein, which is identified as a membrane receptor for autocrine motility factor, compared to cells grown as a monolayer. These results suggest that enhancement of the production of autocrine motility factor (s) and regulation of its receptor endocytosis play an important role in the enhanced motility of cells grown as spheroids which enhance their ability to colonize the lung.

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