List of Contents Abstract i List of contents ii List of tables and figures iv
Ⅰ. Introduction 1 1.1 Integrative analysis of eQTL and GWAS on Korean population 1 1.2 Fibrinogen-like protein 2 (FGL2) 2 1.2.1 The prothrombinase domain of FGL2 2 1.2.2 The immunosuppression domain of FGL2 3
ⅠII. Results 11 3.1 Generation of isogenic hiPSCs using CRISPR-Cas9 system 11 3.2 Generation of isogenic hMic using CRISPR-Cas9 system 14 3.3 High expression of FGL2 protein in SNP (rs73375428) major homozygote hiPSC and ApoE4 hMic 17 3.4 Thrombin activity and Aβ42 uptake ability after drug treatment in ApoE3 and ApoE4 hMic 20 3.5 Autophagy in ApoE3 and ApoE4 hMic 25 3.6 Modulating FGL2 expression in ApoE3 and ApoE4 hMic using a viral-mediated inducible CRISPR activation/interference system 28 3.7 FGL2 overexpression and its impact on autophagy in ApoE3 hMic 33 3.8 Argatroban rescued impaired Aβ42 uptake in FGL2 Overexpressing ApoE3 hMic 37 IV. Discussion 41 V. References 44 Abstract in Korean 47
List of tables and figures Table 1. Information of cell lines used in the research Figure 1. Generation of isogenic SNP (rs73375428) homozygote hiPSCs Figure 2. Generation of isogenic ApoE4 hMic Figure 3. High expression of FGL2 in SNP (rs73375428) major homozygote hiPSC and ApoE4 hMic Figure 4. Enhancement of Aβ42 uptake in ApoE4 hMic by Argatroban despite the similarity in thrombin activity between ApoE3 and ApoE4 hMic Figure 5. No significant difference in autophagy between ApoE3 and ApoE4 hMic Figure 6. Insignificant changes in FGL2 protein expression despite the mild modification of FGL2 transcripts using the CRISPRa/i system Figure 7. FGL2 overexpression induced autophagy impairment in ApoE3 hMic Figure 8. Restoration of FGL2 overexpression-induced impairment of Aβ42 uptake in hMic by Argatroban