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동의어 포함
Title Page
Contents
ABSTRACT 9
1. INTRODUCTION 12
1.1. Hepatitis C 12
1.2. Hepatitis C treatment 13
1.3. RNA interference (RNAi) 14
1.4. siRNA therapy 17
1.5. The scope of thesis 20
2. MATERIALS AND METHODS 21
2.1. Synthesis of epoxide-polyamine conjugates 21
2.2. siRNA design 22
2.3. Characterization of epoxide-conjugates/siRNA nanoparticle 22
2.4. In vitro siRNA transfection study 24
2.5. Intracellular siRNA uptake 25
2.6. In vitro target silencing (PRK2) in human hepatic cells 25
2.7. Preparation of in vivo siRNA formulation 26
2.8. Live animal imaging study 27
2.9. In vivo target silencing in mouse liver 27
2.10. Statistical analysis 28
3. RESULTS AND DISCUSSION 29
3.1. Synthesis of epoxide-polyamine conjugates 29
3.2. Transfection efficiency and cytotoxicity of epoxide-polyamine conjugates in siRNA delivery 34
3.3. Nanoparticle complexation of epoxide-spermine conjugate (C12-SPM) and siRNA 37
3.4. The mechanism of C12-SPM-mediated cellular siRNA delivery 40
3.5. C12-SPM-mediated siRNA delivery for potential suppression of hepatitis C viral replication in vitro 42
3.6. In vivo characterization and biodistribution of administered C12-SPM/siRNA complexes 45
3.7. C12-SPM-mediated in vivo siRNA delivery to the mouse liver 50
4. CONCLUSIONS 55
5. REFERENCES 57
ABSTRACT IN KOREAN 62
Figure 1. The mechanism of RNAi in mammalian cells. 16
Figure 2. Chemical synthesis of epoxide-polyamine-conjugated nanoparticles. 30
Figure 3. The structure of a selected epoxide-polyamine conjugate, C12-SPM. 31
Figure 4. NMR data of C12-SPM. 32
Figure 5. Mass spectrometry data of C12-SPM. 33
Figure 6. In vitro study for evaluation of target silencing efficiency. 35
Figure 7. The cell viability of siRNA transfected Huh-7. 36
Figure 8. Gel retardation assay. 38
Figure 9. In vitro uptake of Cy3-conjugated siRNA delivery using C12-SPM. 39
Figure 10. C12-SPM/siRNA particles elicit cellular uptake by macropinocytosis. 41
Figure 11. In vitro PRK2 silencing efficiency in Huh-7. 43
Figure 12. In vitro PRK2 silencing efficiency in HCV subgenomic replicon cells (R-1 cells). 44
Figure 13. Characterization of in vivo C12-SPM formulation. 47
Figure 14. The particle size of C12-SPM liposomes in phosphate buffered saline (PBS). 48
Figure 15. In vivo distribution of C12-SPM siRNA. 49
Figure 16. In vivo ApoB silencing efficiency in mouse liver. 52
Figure 17. In vivo PRK2 silencing efficiency in mouse liver. 53
Figure 18. In vivo PRK2 silencing efficiency in mouse perfused hepatocyte. 54
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