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      FIV-Tet-On Vector System을 이용한 hG-CSF 유전자의 효율적인 발현 조절

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      https://www.riss.kr/link?id=A75218251

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      국문 초록 (Abstract)

      본 연구에서는 hG-CSF의 발현을 유도적으로 조절하기 위한 FIV-Tet-On lentivirus vector system을 구축하고자 하였다. hG-CSF는 호중성구 계열 세포의 증식과 분화, 생존에 영향을 미치는 물질로서, 이 유...

      본 연구에서는 hG-CSF의 발현을 유도적으로 조절하기 위한 FIV-Tet-On lentivirus vector system을 구축하고자 하였다. hG-CSF는 호중성구 계열 세포의 증식과 분화, 생존에 영향을 미치는 물질로서, 이 유전자의 발현을 증가시키기 위하여 FIV-Tet-On vector 상의 hG-CSF나 rtTA2SM2 서열의 3' 위치에 WPRE 서열을 도입하였다. 구축된 각각의 vector는 293FT 세포에 일시적으로 transfection하여 virus를 생산하였으며, 이 virus를 일차 배양 세포인 CEF와 PFF에 감염시켰다. 각 세포에 전이된 hG-CSF의 발현 양상을 관찰하기 위하여 doxycycline을 첨가하거나 첨가하지 않은 배지에서 배양한 후 quantitative real-time PCR, Western blot과 ELISA를 이용하여 hG-CSF 유전자의 발현 정도를 비교 측정한 결과, CEF에서는 WPRE가 hG-CSF의 3' 위치에 도입된 경우에 발현량과 유도율이 가장 높은 것으로 나타났고, PFF에서는 rtTA 서열의 3'위치에 도입된 경우에 발현량과 유도율이 가장 큰 것으로 확인되었다. 이 FIV-Tet-On vector system은 형질 전환 동물의 생산이나 유전자 치료에서 문제시되는 외래 유전자의 지속적인 과다 발현에 의한 개체의 생리적인 부작용을 최소화하기 위한 해결 방법으로 제시될 수 있을 것이다.

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      다국어 초록 (Multilingual Abstract)

      In this study, using FIV-based lentivirus vector system, we tried to express hG-CSF in tetracycline-controllable manner. hG-CSF influences the proliferation, differentiation, and survival of cells in the neutrophil lineage. To enhance stability and tr...

      In this study, using FIV-based lentivirus vector system, we tried to express hG-CSF in tetracycline-controllable manner. hG-CSF influences the proliferation, differentiation, and survival of cells in the neutrophil lineage. To enhance stability and translation of hG-CSF transcript, WPRE sequence was also introduced into FIV-Tet-On vector at downstream region of either the hG-CSF gene or the sequence encoding rtTA. Primary culture cells (CEF, chicken embryonic fibroblast; PFF, porcine fetal fibroblast) infected with the recombinant FIV were cultured in the medium supplemented with or without doxycycline for 48 hours, and induction efficiency was measured by comparing the hG-CSF gene expression level using quantitative real-time PCR, Western blot and ELISA. Higher hG-CSF expression and tighter expression control were observed from the vector in which the WPRE sequence was placed at downstream of the hG-CSF (in CEF) or rtTA (in PFF) gene. This FIV-Tet-On vector system may be helpful in solving serious physiological disturbance problems which has continuously hampered successful production of transgenic animals and gene therapy.

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      목차 (Table of Contents)

      • ABSTRACT
      • 요약
      • 서론
      • 재료 및 방법
      • FIV Vector의 구축
      • ABSTRACT
      • 요약
      • 서론
      • 재료 및 방법
      • FIV Vector의 구축
      • Lenitivirus의 생산 및 표적세포에의 감염
      • hG-CSF의 발현 검증 및 Tet System을 이용한 외래유전자의 발현 확인
      • RT-PCR
      • Western Blotting
      • ELISA 분석
      • Quantitative Real-Time PCr
      • 결과
      • FIV-CGW Virus Vector System의 발현 여부 확인
      • Tet System을 이용한 hG-CSF 유전자의 유도적 발현 여부 확인
      • 고찰
      • 인용문헌
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      참고문헌 (Reference)

      1 "mRNA polyadenylation and its coupling to other RNA processing reactions and to transcription" 11 : 352-357, 1999

      2 "Woodchuck hepatitis virus posttranscriptional regulatory element enhances expression of transgenes delivered by retroviral vectors" 73 : 2886-2892, 1999

      3 "Transduction of non- dividing cells using pseudotyped defective high- titer HIV type 1 particles" 93 : 15266-15271, 1996

      4 "Tight control of gene expression in mammalian cells by tetracycline-responsive promoters" 5547-5551, 1992

      5 "The effect of GM-CSF and G-CSF on human neutrophil function" 29 : 111-119, 1995

      6 "Stable gene transfer to the nervous system using a non-primate lentiviral vector" 6 : 1808-1818, 1999

      7 "Promoter interactions in retrovirus vectors introduced into fibroblasts and embryonic stem cells" 2314-2319, 1991

      8 "Preservation of aqueous outflow facility after second-generation FIV vector-mediated expression of marker genes in anterior segments of human eyes" 43 : 3686-3690, 2002

      9 "Optimization of vesicular stomatits-G pseudotyped feline immunodeficiency virus vector for minimized cytotoxicity with efficient gene transfer" 93 : 25-30, 2003

      10 "Optimization of transgene expression at the posttranscriptional level in neural cells: implication for gene therapy" 7 : 782-789, 2003

      1 "mRNA polyadenylation and its coupling to other RNA processing reactions and to transcription" 11 : 352-357, 1999

      2 "Woodchuck hepatitis virus posttranscriptional regulatory element enhances expression of transgenes delivered by retroviral vectors" 73 : 2886-2892, 1999

      3 "Transduction of non- dividing cells using pseudotyped defective high- titer HIV type 1 particles" 93 : 15266-15271, 1996

      4 "Tight control of gene expression in mammalian cells by tetracycline-responsive promoters" 5547-5551, 1992

      5 "The effect of GM-CSF and G-CSF on human neutrophil function" 29 : 111-119, 1995

      6 "Stable gene transfer to the nervous system using a non-primate lentiviral vector" 6 : 1808-1818, 1999

      7 "Promoter interactions in retrovirus vectors introduced into fibroblasts and embryonic stem cells" 2314-2319, 1991

      8 "Preservation of aqueous outflow facility after second-generation FIV vector-mediated expression of marker genes in anterior segments of human eyes" 43 : 3686-3690, 2002

      9 "Optimization of vesicular stomatits-G pseudotyped feline immunodeficiency virus vector for minimized cytotoxicity with efficient gene transfer" 93 : 25-30, 2003

      10 "Optimization of transgene expression at the posttranscriptional level in neural cells: implication for gene therapy" 7 : 782-789, 2003

      11 "Minimum requirements for efficient transduction of dividing and nondividing cells by feline immunodeficiency virus vectors" 73 : 4991-5000, 1999

      12 "Lentiviral vectors: regulated gene expression" 1 : 516-521, 2000

      13 "Lentiviral vectors--the promise of gene therapy within reach?" 285 : 674-676, 1999

      14 "Lentiviral vectors for enhanced gene expression in human hematopoietic cells" 2 : 458-467, 2000

      15 "In vivo gene delivery and stable transduction of nondividing cells by a lentiviral vector" 272 : 263-267, 1996b

      16 "Gene transfer to the brain using feline-immunodeficiency virus-based lentivirus vectors" 346 : 433-454, 2002

      17 "From curse to cure: HIV for gene therapy?" 14 : 943-, 1996

      18 "Feline immunodeficiency virus vectors persistently transduce nondividing airway epithelia and correct the cystic fibrosis defect" 104 : R55-R62, 1999

      19 "FIV: from lentivirus to lentivector" 6 : S95-S104, 2004

      20 "FIV vector systems" 26 : 99-129, 2001

      21 "Expression from second-generation feline immunodeficiency virus vectors is impaired in human hematopoietic cells" 6 : 645-652, 2002

      22 "Exploring the sequence space for tetracycline-dependent transcriptional activators: novel mutations yield expanded range and sensitivity" 97 : 7963-7968, 2000

      23 "Enhanced expression of transgenes from adeno-associated virus vectors with the woodchuck hepatitis virus posttranscriptional regulatory element: implications for gene therapy" 10 : 2295-2305, 1999

      24 "Efficient transduction of pancreatic islets by feline immunodeficiency virus vectors" 74 : 299-306, 2002

      25 "Efficient transduction of nondividing human cells by feline immunodeficiency virus lentiviral vectors" 4 : 354-357, 1998

      26 "Efficient tansfer, integration, and sustained long-term expression of the transgene in adult rat brains injected with a lentiviral vector" 93 : 11382-11388, 1999a

      27 "Effect of posttranscriptional regulatory elements on transgene expression and virus production in the context of retrovirus vectors" 34 : 1-11, 2005

      28 "Effect of exogenous recombinant human granulocyte and granulocyte-macrophage colony-stimulating factor on neutrophil function following allogeneic bone marrow transplantation" 868-873, 1991

      29 "Doxycycline-regulated lentiviral vector system with a novel reverse transactivator rtTA2S-M2 shows a tight control of gene expression in vitro and in vivo" 10 : 459-466, 2003

      30 "Development of a self-inactivating lentivirus vector" 72 : 8150-5157, 1998

      31 "Current development of lentivi-ral-mediated Gene Transfer" 18 : 128-134, 2005

      32 "Construction and molecular analysis of gene transfer systems derived from bovine immunodeficiency virus" 75 : 3371-3382, 2001

      33 "Analysis of relative gene expression data using real-time quantitative PCR and the 2 (-Delta Delta C (T) Method" 25 : 402-408, 2001

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      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2019-03-14 학회명변경 한글명 : 한국수정란이식학회 -> 사단법인 한국동물생명공학회
      영문명 : The Korean Society Of Embryo Transfer -> The Korean Society of Animal Reproduction and Biotechnology
      2016 평가예정 신규평가 신청대상 (신규평가)
      2013-04-01 평가 탈락(현장점검) (기타)
      2010-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2007-01-01 평가 등재학술지 선정 (등재후보2차) KCI등재
      2006-01-01 평가 등재후보 1차 PASS (등재후보1차) KCI등재후보
      2005-03-21 학술지등록 한글명 : Reproductive & Developmental biology
      외국어명 : Reproductive & Developmental biology
      KCI등재후보
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