Radiotherapy & Oncology
Volume 93, Issue 3 , Pages 639-644 , December 2009

Mechanism of lapatinib-mediated radiosensitization of breast cancer cells is primarily by inhibition of the Raf>MEK>ERK mitogen-activated protein kinase cascade and radiosensitization of lapatinib-resistant cells restored by direct inhibition of MEK

  • Maria J. Sambade

      Affiliations

    • Department of Radiation Oncology and
    • Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC, USA
  • ,
  • J. Terese Camp

      Affiliations

    • Department of Radiation Oncology and
    • Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC, USA
  • ,
  • Randall J. Kimple

      Affiliations

    • Department of Radiation Oncology and
    • Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC, USA
  • ,
  • Carolyn I. Sartor

      Affiliations

    • Department of Radiation Oncology and
    • Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC, USA
  • ,
  • Janiel M. Shields

      Affiliations

    • Department of Radiation Oncology and
    • Department of Dermatology, University of North Carolina at Chapel Hill, NC, USA
    • Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC, USA
    • Corresponding Author InformationCorresponding author. Address: Department of Radiation Oncology, University of North Carolina, School of Medicine, LCCC Rm 12-048, CB 7295, Chapel Hill, NC 27599, USA.

Received 13 July 2009 ,Revised 25 August 2009 ,Accepted 15 September 2009.

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PII: S0167-8140(09)00554-4

doi: 10.1016/j.radonc.2009.09.006

Radiotherapy & Oncology
Volume 93, Issue 3 , Pages 639-644 , December 2009