Return to search

Exploring the many facets of cell death

This thesis summarises research performed with the intent of exploring the many facets of cell death. In the first part of the thesis, the fate of the formin-homology domain containing protein FHOD1 during apoptosis is examined (research performed in the laboratory of Dr. Sophie Roy) and evidence for the cleavage of FHOD1 by caspase-3 at the SVPD616 site is demonstrated. Moreover, the C-terminal FHOD1 cleavage product is shown to translocate to the nucleolus where it inactivates RNA polymerase I transcription. / In the second part of the thesis, the role of the RNA-binding protein HuR in cancer cell migration and invasion, as well as in multidrug resistance is determined using RNA interference to knockdown the expression of HuR in HeLa and KB-V1 cells respectively (research performed in the laboratory of Dr. Imed Gallouzi). In this part of the thesis, HuR is shown to promote cancer cell migration and invasion by stabilizing the beta-actin mRNA in a U-rich-dependent manner. Moreover, evidence is shown for the potential involvement of HuR in the phenomenon of multidrug resistance possibly through the post-transcriptional regulation of the multidrug resistance 1 gene.

Identiferoai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.111878
Date January 2007
CreatorsMénard, Isabelle.
PublisherMcGill University
Source SetsLibrary and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada
LanguageEnglish
Detected LanguageEnglish
TypeElectronic Thesis or Dissertation
Formatapplication/pdf
CoverageDoctor of Philosophy (Department of Biochemistry.)
RightsAll items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated.
Relationalephsysno: 002651481, proquestno: AAINR38617, Theses scanned by UMI/ProQuest.

Page generated in 0.0019 seconds