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    Murine mesothelin: characterization, expression, and inhibition of tumor growth in a murine model of pancreatic cancer

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    Author
    Zervos, Emmanuel; Agle, Steven C.; Freistaedter, Andrew G.; Jones, Gwendolyn J. B.; Roper, Rachel L.
    Abstract
    Background Mesothelin has attracted much interest as a tumor specific antigen; it has been reported to promote tumor development and to be a good target for cancer treatment. Most studies to date have used human mesothelin in immunocompromised mice. Since these models do not allow for study of the natural immune response to mesothelin expressing tumors, we have undertaken the characterization of mouse mesothelin so the effects of this protein can be assessed in immunocompetent mouse strains. Methods We analyzed mouse mesothelin expression, tissue distribution, shedding and biochemistry. In addition we constructed stable mesothelin overexpressing lines of the pancreatic cancer line Panc02 by two methods and tested them for growth and tumorigencity in vitro and in vivo. Results We show here that mouse mesothelin is similar to human mesothelin in biochemical characteristics, tumor expression and tissue distribution, suggesting the mouse may be a suitable model for study of mesothelin. Stable overexpression of mesothelin in a pancreatic cancer cell line did not increase cell proliferation or anchorage-independent growth in vitro, suggesting that mesothelin is not necessarily a tumor progression factor. Surprisingly overexpression of mesothelin inhibited tumor formation in vivo in immunocompetent mice. Conclusion The mouse may be a good model for studying mesothelin in the context of an intact immune response. Mesothelin is not necessarily a tumor progression factor, and indeed mesothelin overexpression inhibited tumor growth in immunocompetent mice.
    URI
    http://hdl.handle.net/10342/5571
    Subject
     Mesothelin; Pancreas; Tumor; Proliferation; Immune 
    Date
    2016-03
    Citation:
    APA:
    Zervos, Emmanuel, & Agle, Steven C., & Freistaedter, Andrew G., & Jones, Gwendolyn J. B., & Roper, Rachel L.. (March 2016). Murine mesothelin: characterization, expression, and inhibition of tumor growth in a murine model of pancreatic cancer. Journal of Experimental & Clinical Cancer Research : CR, (1-13. Retrieved from http://hdl.handle.net/10342/5571

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    MLA:
    Zervos, Emmanuel, and Agle, Steven C., and Freistaedter, Andrew G., and Jones, Gwendolyn J. B., and Roper, Rachel L.. "Murine mesothelin: characterization, expression, and inhibition of tumor growth in a murine model of pancreatic cancer". Journal of Experimental & Clinical Cancer Research : CR. . (1-13.), March 2016. April 18, 2021. http://hdl.handle.net/10342/5571.
    Chicago:
    Zervos, Emmanuel and Agle, Steven C. and Freistaedter, Andrew G. and Jones, Gwendolyn J. B. and Roper, Rachel L., "Murine mesothelin: characterization, expression, and inhibition of tumor growth in a murine model of pancreatic cancer," Journal of Experimental & Clinical Cancer Research : CR 35, no. (March 2016), http://hdl.handle.net/10342/5571 (accessed April 18, 2021).
    AMA:
    Zervos, Emmanuel, Agle, Steven C., Freistaedter, Andrew G., Jones, Gwendolyn J. B., Roper, Rachel L.. Murine mesothelin: characterization, expression, and inhibition of tumor growth in a murine model of pancreatic cancer. Journal of Experimental & Clinical Cancer Research : CR. March 2016; 35() 1-13. http://hdl.handle.net/10342/5571. Accessed April 18, 2021.
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