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2015 ; 3
(5
): 603-610
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Role of cellular cytoskeleton in epithelial-mesenchymal transition process during
cancer progression
#MMPMID26405532
Sun BO
; Fang Y
; Li Z
; Chen Z
; Xiang J
Biomed Rep
2015[Sep]; 3
(5
): 603-610
PMID26405532
show ga
Currently, cancer metastases remain a major clinical problem that highlights the
importance of recognition of the metastatic process in cancer diagnosis and
treatment. A critical process associated with the metastasis process is the
transformation of epithelial cells toward the motile mesenchymal state, a process
called epithelial-mesenchymal transition (EMT). Increasing evidence suggests the
crucial role of the cytoskeleton in the EMT process. The cytoskeleton is composed
of the actin cytoskeleton, the microtubule network and the intermediate filaments
that provide structural design and mechanical strength that is necessary for the
EMT. The dynamic reorganization of the actin cytoskeleton is a prerequisite for
the morphology, migration and invasion of cancer cells. The microtubule network
is the cytoskeleton that provides the driving force during cell migration.
Intermediate filaments are significantly rearranged, typically switching from
cytokeratin-rich to vimentin-rich networks during the EMT process, accompanied by
a greatly enhanced cell motility capacity. In the present review, the recent
novel insights into the different cytoskeleton underlying EMT are summarized.
There are numerous advances in our understanding of the fundamental role of the
cytoskeleton in cancer cell invasion and migration.