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2015 ; 12
(1
): 64-7
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gab.com Text
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Eukaryotic cell encystation and cancer cell dormancy: is a greater devil veiled
in the details of a lesser evil?
#MMPMID25859414
Baig AM
; Khan NA
; Abbas F
Cancer Biol Med
2015[Mar]; 12
(1
): 64-7
PMID25859414
show ga
Cancer cell dormancy is the main cause of cancer recurrence and failure of
therapy as dormant cells evade not only the anticancer drugs but also the host
immune system. These dormant cells veil themselves from detection by imaging
and/or using biomarkers, which imposes an additional problem in targeting such
cells. A similar form of hibernation process known as encystation is studied in
detail for pathogenic unicellular eukaryotic microorganisms. By examination using
microarray gene expression profiles, immunocytochemistry tools, and siRNAs during
the process of encystation, understanding the covert features of cancer cell
dormancy as proposed could be possible. This knowledge can be extended to dormant
cancer cells to uncover the mechanisms that underlie this ghost, yet dangerous
state of human cancers. We propose a strategy to induce dormancy and exit this
state by application of knowledge gained from the encystation induction and
retrieval processes in pathogenic eukaryotic microorganisms. Given that early
detection and characterization of dormant malignant tumor cells is important as a
general strategy to monitor and prevent the development of overt metastatic
disease, this homology may enable the design of therapies that could either awake
the dormant cell from dormancy to make it available for therapies or prolong such
a phase to make cancer appear as a chronic disease.