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2016 ; 104
(ä): 44-60
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Imaging-guided delivery of RNAi for anticancer treatment
#MMPMID26805788
Wang J
; Mi P
; Lin G
; Wáng YX
; Liu G
; Chen X
Adv Drug Deliv Rev
2016[Sep]; 104
(ä): 44-60
PMID26805788
show ga
The RNA interference (RNAi) technique is a new modality for cancer therapy, and
several candidates are being tested clinically. In the development of RNAi-based
therapeutics, imaging methods can provide a visible and quantitative way to
investigate the therapeutic effect at anatomical, cellular, and molecular level;
to noninvasively trace the distribution; to and study the biological processes in
preclinical and clinical stages. Their abilities are important not only for
therapeutic optimization and evaluation but also for shortening of the time of
drug development to market. Typically, imaging-functionalized RNAi therapeutics
delivery that combines nanovehicles and imaging techniques to study and improve
their biodistribution and accumulation in tumor site has been progressively
integrated into anticancer drug discovery and development processes. This review
presents an overview of the current status of translating the RNAi cancer
therapeutics in the clinic, a brief description of the biological barriers in
drug delivery, and the roles of imaging in aspects of administration route,
systemic circulation, and cellular barriers for the clinical translation of RNAi
cancer therapeutics, and with partial content for discussing the safety concerns.
Finally, we focus on imaging-guided delivery of RNAi therapeutics in preclinical
development, including the basic principles of different imaging modalities, and
their advantages and limitations for biological imaging. With growing number of
RNAi therapeutics entering the clinic, various imaging methods will play an
important role in facilitating the translation of RNAi cancer therapeutics from
bench to bedside.
|*Genetic Therapy
[MESH]
|*RNA Interference
[MESH]
|Drug Delivery Systems
[MESH]
|Humans
[MESH]
|Neoplasms/genetics/*therapy
[MESH]
|RNA, Small Interfering/administration & dosage/therapeutic use
[MESH]