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2016 ; 7
(44
): 72322-72342
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Addressing intra-tumoral heterogeneity and therapy resistance
#MMPMID27608848
Rybinski B
; Yun K
Oncotarget
2016[Nov]; 7
(44
): 72322-72342
PMID27608848
show ga
In the last several years, our appreciation of intra-tumoral heterogeneity has
greatly increased due to accumulating evidence for the co-existence of
genetically and epigenetically divergent cancer cells residing in different
microenvironments within a tumor. Herein, we review recent literature discussing
intra-tumoral heterogeneity in the context of therapy resistance mechanisms at
the genetic, epigenetic and microenvironmental levels. We illustrate the
influence of tumor microenvironment on therapy resistance and epigenetic states
of cancer cells by highlighting the role of cancer stem cells in therapy
resistance. We also summarize different strategies that have been employed to
address various resistance mechanisms at genetic, epigenetic, and
microenvironmental levels in preclinical and clinical studies. We propose that
future personalized cancer therapy design needs to incorporate dynamic and
comprehensive analyses of tumor heterogeneity landscape and multi-dimensional
mechanisms of therapy resistance.
|*Genetic Heterogeneity
[MESH]
|Antineoplastic Agents/*pharmacology/therapeutic use
[MESH]