Journal
CELL BIOLOGY INTERNATIONAL
Volume 34, Issue 12, Pages 1205-1211Publisher
PORTLAND PRESS LTD
DOI: 10.1042/CBI20090428
Keywords
ATP-gated cation channel; lymphatic metastasis; P2X(7) receptor; P388D1 cell
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Funding
- NSFC [30870550]
- Chinese State Key Program in Basic Research [2009CB521804]
- Liaoning Province Education Department [2008T034]
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The P2X(7)R (P2X(7) receptor) is an ATP-gated cation channel expressed in normal cells that participates in both cell proliferation and apoptosis. Here, we have confirmed P2X(7)R expression on murine P388D1 lymphoid neoplasm cells. In addition, ATP-stimulated P2X(7)R expression was found to trigger increased intracellular calcium flux. Furthermore, silencing with short hairpin RNA and blocking with P2X7R antibody significantly reduced the metastasis of P388D1 cells to lymph nodes. These results indicate that inhibition of the expression and function of P2X7R attenuates the metastatic ability of murine lymphoid neoplasm cell line P388D1, which represents a new potential target for anti-metastatic therapy.
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