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Self-Assembled Hyaluronic Acid Nanoparticles as Modulators of CD4+ Helper T cell Differentiation

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Ⅰ. INTRODUCTION 1
Ⅱ. MATERIALS and METHODS 5
1. Materials 5
2. Mice 5
3. Synthesis and characterization of HA-LCA NPs (HALN) 6
4. Synthesis and characterization of HA-3-oxoLCA NPs (3-oxoHALN) 6
5. Synthesis and characterization of PEG-LCA NPs (PEG-LN) 7
6. Cell culture and treatment 7
7. Isolation and T cell differentiation of naïve CD4+ T Lymphocytes 8
8. Cell viability assay 9
9. Cell cytotoxicity assay 9
10. RNA extraction and Real-Time quantitative PCR analysis 10
11. Flow cytometry analysis 10
12. Statistical analysis 11
Ⅲ. RESULTS 13
1. The physicochemical Characterization of HA-NPs 13
2. Size-dependent effect of HA-NPs on M1 macrophages 16
3. HALN and 3-oxoHALN suppress the TLR4-mediated M1 macrophage polarization 19
4. HALN and 3-oxoHALN restrain CD4+ T cell activation in Jurkat T cell 23
5. HALN and 3-oxoHALN inhibit Th17 differentiation 26
6. Evaluation of CD44 and TLR2 signaling pathways in the inhibition of Th17 differentiation mediated by HA-NPs 35
Ⅳ. DISCUSSION 39
Ⅴ. REFERENCE 42
Ⅵ. ABSTRACT IN KOREAN (국문초록) 46

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