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The Role of Autotaxin in the Regulation of Lysophosphatidylcholine-Induced Cell Migration

  • Author / Creator
    Gaetano, Cristoforo Giuseppe
  • Increased expression of autotaxin has been shown to promote metastasis formation and cancer proliferation. These actions could be related to the catalytic activity of autotaxin which converts lysophosphatidylcholine into lysophosphatidate extracellularly or non-catalytic functions of autotaxin may be responsible. Also both LPC and LPA have been reported to stimulate migration through their respective receptors. This work investigates the role of autotaxin in controlling the motility of two cancer cell lines. With the use of autotaxin inhibitors we were able to block LPC-induced migration. Knocking-down autotaxin secretion also blocked stimulation of migration by LPC. Autotaxin inhibitors abolished any migratory effects from media collected from autotaxin secreting cells. We determined that LPC alone is unable to stimulate migration. Also we did not observe non-catalytic effects of autotaxin on migration. This thesis provides strong evidence that the inhibition of autotaxin production or activity would provide a beneficial therapy in the prevention of tumour growth or metastasis in patients with autotaxin expressing tumours.

  • Subjects / Keywords
  • Graduation date
    2010-06
  • Type of Item
    Thesis
  • Degree
    Master of Science
  • DOI
    https://doi.org/10.7939/R3NX4K
  • License
    This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for non-commercial purposes. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.
  • Language
    English
  • Institution
    University of Alberta
  • Degree level
    Master's
  • Department
    • Department of Biochemistry
  • Supervisor / co-supervisor and their department(s)
    • Dr. Brindley, David N. (Biochemisty)
  • Examining committee members and their departments
    • Dr. McMullen, Todd (Medicine)
    • Dr. Holmes, Charles F. (Biochemisty)
    • Dr. Michalak, Marek (Biochemistry)