期刊
ANTICANCER RESEARCH
卷 38, 期 9, 页码 5093-5099出版社
INT INST ANTICANCER RESEARCH
DOI: 10.21873/anticanres.12829
关键词
Cell-cell interaction; CSC; astrocytes; metastasis; AS602801
类别
资金
- Ministry of Education, Culture, Sports, Science and Technology of Japan [16K07160]
- Grants-in-Aid for Scientific Research [16K07160] Funding Source: KAKEN
Background/Aim: Cancer stem cells (CSCs) are associated with tumorigenesis, recurrence, and metastasis. Cell-cell communication via gap junctions (GJs) between metastatic cancer cells and astrocytes is necessary for brain metastasis. Agents targeting communication between CSCs and astrocytes are expected to suppress brain metastasis. Materials and Methods: Using the A549 CSC, a cancer stem-like cell derived from A549, we examined the effect of AS602801, an anti-cancer stem cell agent whose safety has been confirmed in a phase 2 clinical trial, on GJ communication and connexin expression using a dye-transfer assay and immunoblot analysis, respectively. Results: AS602801 specifically suppressed cell-cell communication in A549 CSCs without any suppression of GJ communication in astrocytes; it also decreased the expression of connexin 43, a constituent of GJs, in A549 CSCs. Conclusion: The anti-cancer stem cell agent, AS602801, is a potential drug candidate against brain metastasis.
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