지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수0
Ⅰ. GENERAL INTRODUCTION 11. STEM CELLS 2A. Mesenchymal stem cells 2B. Hematopoietic stem cells 32. STEM CELL NICHE 63. DIFFERENTIATION OF STEM CELLS 7A. Conventional methods for stem cell differentiation 7B. Modification of culture substrate for stem cell differentiation 9Ⅱ. EFFECT OF REPLICATED POLYMERIC SUBSTRATE WITH LOTUS SURFACE STRUCTURE ON ADIPOSE-DERIVED STEM CELL BEHAVIORS 141. ABSTRACT 142. INTRODUCTION 143. MATERIALS AND METHODS 16A. Fabrication of Nickel Mold Insert Using Natural Lotus Leaf 16B. Replication of PS Substrates with LLSS and Flat Surface 17C. Contact Angle Analysis 17D. Isolation of ASCs 17E. Scanning Electron Microscope (SEM) Analysis 18F. Cell Viability and Size Analysis 18G. Immunocytochemistry 18H. ASC Differentiation on LLSS and Flat Substrates 19I. Histological Analysis 19J. Reverse Transcriptase - Polymerase Chain Reaction (RT-PCR) 20K. Statistical Analysis 204. RESULTS 21A. Characterization of Replicated LLSS Substrate 21B. Cellular Behaviors of ASCs on LLSS and Flat Substrate 23C. ASC Differentiation on LLSS and Flat Substrate 285. DISCUSSION 326. CONCLUSION 35Ⅲ. MASS-PRODUCIBLE NANO-FEATURED POLYSTYRENE SURFACES FOR REGUALTING THE DIFFERENTIATION OF HUMAN ADIPOSE-DERIVED STEM CELLS 361. ABSTRACT 362. INTRODUCTION 363. MATERIALS AND METHODS 38A. Fabrication Scheme for PS Nano-featured Substrates 38B. Fabrication of Nano-templates 39C. Fabrication of Nickel Nano-stamps 40D. Replication of PS Nano-featured Substrates 40E. Histological staining and Quantification of Differentiation Level 42F. RT-PCR and Real Time PCR 43G. Statistical Analysis 444. RESULTS 45A. Fabrication and Characterization of Nano-featured Substrates 45B. Behaviors of ASCs on Nano-featured Substrates 48C. Differentiation of ASCs on Nano-featured Substrates 50D. Integrin Expression of ASCs in Response to Nano-featured Substrates 535. DISCUSSION 546. CONCLUSION 57Ⅳ. POLY-L-LYSINE INCREASES THE EX VIVO EXPANSION AND ERYTHROID DIFFERENTIATION OF HUMAN HEMATOPOIETIC STEM CELLS, AS WELL AS ERYTHROID ENUCLEATION EFFICACY 591. ABSTRACT 592. INTRODUCTION 593. MATERIALS AND METHODS 61A. Isolation of umbilical cord blood CD34+ cells 61B. Ex vivo expansion of CD34+ cells 62C. Division test using carboxyfluorecein succinimidyl ester 62D. Colony-forming assay for multipotent of HSCs 62E. Erythroid differentiation of CD34+ cells 63F. Fluorescence-activated cell sorting analysis 63G. Wright-giemsa staining and benzidine staining 64H. Immunocytochemistry 64I. RT-PCR and real time PCR 65J. Functional analysis of hemoglobin 654. RESULTS 65A. Ex vivo expansion and differentiation of HSCs on PLL substrates 65B. Comparison of PLL and other substrates for ex vivo expansion of HSCs 69C. Erythroid differentiation and RBC production on PLL substrates 70D. Enucleation efficacy and direction of enucleation on the 0.01% PLL substrate 74E. Comparison of PLL and other substrates for erythroid differentiation of HSCs 765. DISCUSSION 786. CONCLUSION 81Ⅴ. GENERAL CONCLUSION 82REFERENCES 84ABSTRACT IN KOREAN
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