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2016 ; 380
(1
): 319-29
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Recapitulation of complex transport and action of drugs at the tumor
microenvironment using tumor-microenvironment-on-chip
#MMPMID26688098
Han B
; Qu C
; Park K
; Konieczny SF
; Korc M
Cancer Lett
2016[Sep]; 380
(1
): 319-29
PMID26688098
show ga
Targeted delivery aims to selectively distribute drugs to targeted tumor tissues
but not to healthy tissues. This can address many clinical challenges by
maximizing the efficacy but minimizing the toxicity of anti-cancer drugs.
However, a complex tumor microenvironment poses various barriers hindering the
transport of drugs and drug delivery systems. New tumor models that allow for the
systematic study of these complex environments are highly desired to provide
reliable test beds to develop drug delivery systems for targeted delivery.
Recently, research efforts have yielded new in vitro tumor models, the so called
tumor-microenvironment-on-chip, that recapitulate certain characteristics of the
tumor microenvironment. These new models show benefits over other conventional
tumor models, and have the potential to accelerate drug discovery and enable
precision medicine. However, further research is warranted to overcome their
limitations and to properly interpret the data obtained from these models. In
this article, key features of the in vivo tumor microenvironment that are
relevant to drug transport processes for targeted delivery were discussed, and
the current status and challenges for developing in vitro transport model systems
were reviewed.