In vivo delivery of small interfering RNA targeting brain capillary endothelial cells
- Authors
- Hino, T; Yokota, T; Ito, S; Nishina, K; Kang, YS; Mori, S; Hori, S; Kanda, T; Terasaki, T; Mizusawa, H
- Issue Date
- Feb-2006
- Publisher
- ACADEMIC PRESS INC ELSEVIER SCIENCE
- Keywords
- small interfering RNA; blood-brain barrier; organic anion transporter 3; brain ischemia; brain inflammation; drug delivery system
- Citation
- BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, v.340, no.1, pp 263 - 267
- Pages
- 5
- Journal Title
- BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
- Volume
- 340
- Number
- 1
- Start Page
- 263
- End Page
- 267
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/15182
- DOI
- 10.1016/j.bbrc.2005.11.173
- ISSN
- 0006-291X
1090-2104
- Abstract
- Brain capillary endothelial cells (BCECs) play an important role in blood-brain barrier (BBB) functions and pathophysiologic mechanisms in brain ischemia and inflammation. We try to suppress gene expression in BCECs by intravenous application of small interfering RNA (siRNA). After injection of large dose siRNA with hydrodynamic technique to mouse, suppression of endogenous protein and the BBB function of BCECs was investigated. The brain-to-blood transport function of organic anion transporter 3 (OAT3) that expressed in BCECs was evaluated by Brain Efflux Index method in mouse. The siRNA could be delivered to BCECs and efficiently inhibited endogenously expressed protein of BCECs. The suppression effect of siRNA to OAT3 is enough to reduce the brain-to-blood transport of OAT3 substrate, benzylpenicillin at BBB. The in vivo siRNA-silencing method with hydrodynamic technique may be useful for the study of BBB function and gene therapy targeting BCECs. (c) 2005 Elsevier Inc. All rights reserved.
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