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Anchorage-independent growth

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Expression And Function Of Cd9 In Melanoma Cells, Jun Fan, Guo-Zhang Zhu, Richard Niles Oct 2012

Expression And Function Of Cd9 In Melanoma Cells, Jun Fan, Guo-Zhang Zhu, Richard Niles

Jun Fan

CD9, a member of the tetraspanin family, functions as an organizer in “tetraspanin webs,” through interacting with other cell adhesion molecules. It plays a role in differentiation, fertilization, and cell migration. We investigated the expression and function of CD9 in melanoma. CD9 protein expression in B16 mouse melanoma and six human melanoma cell lines was decreased compared to normal melanocytes. B16F1 clones stably overexpressing CD9 had reduced ability to form colonies in soft agar; however, paradoxically these overexpressing clones had increased ability to invade Matrigel. Similarly, transient overexpression of CD9 in the human metastatic melanoma cell line WM9 dramatically decreased …


Expression And Function Of Cd9 In Melanoma Cells, Jun Fan, Guo-Zhang Zhu, Richard Niles Aug 2012

Expression And Function Of Cd9 In Melanoma Cells, Jun Fan, Guo-Zhang Zhu, Richard Niles

Richard M Niles

CD9, a member of the tetraspanin family, functions as an organizer in “tetraspanin webs,” through interacting with other cell adhesion molecules. It plays a role in differentiation, fertilization, and cell migration. We investigated the expression and function of CD9 in melanoma. CD9 protein expression in B16 mouse melanoma and six human melanoma cell lines was decreased compared to normal melanocytes. B16F1 clones stably overexpressing CD9 had reduced ability to form colonies in soft agar; however, paradoxically these overexpressing clones had increased ability to invade Matrigel. Similarly, transient overexpression of CD9 in the human metastatic melanoma cell line WM9 dramatically decreased …