05249nam 2200661 450 99620392750331620230421044236.01-281-84239-797866118423903-527-61253-X3-527-61252-1(CKB)1000000000555626(EBL)482019(OCoLC)291090796(SSID)ssj0000104258(PQKBManifestationID)11131019(PQKBTitleCode)TC0000104258(PQKBWorkID)10078050(PQKB)10445682(MiAaPQ)EBC482019(EXLCZ)99100000000055562620160819h19971997 uy 0engur|n|---|||||txtccrAntisense and ribozyme methodology /Ian Gibson, editorLondon, [England] :Chapman & Hall,1997.©19971 online resource (96 p.)Laboratory Companion SeriesIncludes index."With 10 Figures, some in Color"--Title page.3-8261-0079-4 3-527-30889-X Antisense and Ribozyme Methodology; Contents; CHAPTER 1. Antisense and Ribozyme Methodology; 1.1 The Potential; 1.2 Antisense Technology; 1.2.1 Problems; 1.2.2 Resistance to Nucleases; 1.2.3 Entry into Cells; 1.2.4 How Antisense Works; 1.2.5 Success; 1.3 Ribozymes; 1.3.1 What Are They?; 1.3.2 Problems; 1.3.3 Stable Ribozymes; 1.3.4 Designing Ribozymes; 1.4 Ribozymes or Antisense DNAs?; 1.5 The Choice Today!!; CHAPTER 2. Design and Synthesis of Antisense DNA Molecules; 2.1 Introduction; 2.2 Synthesis of Methylphosphonodiester-Phosphodiester Chimeric Oligodeoxynucleotides2.2.1 Materials and Chemicals2.2.2 Solutions; 2.2.3 Maximizing Product Purity; 2.2.4 Deprotection of Chimeric Oligodeoxynucleotides; 2.2.5 Failed Sequences; 2.3 Primary Purification by Reversed-Phase, Solid-Phase Extraction on C18 SEP-PAK Cartridges; 2.3.1 Equipment; 2.3.2 Method; 2.3.3 Purification of the Oligodeoxynucleotide; 2.3.4 Further Purification; 2.4 Analysis and Purification by HPLC; 2.4.1 Analysis of Chimeric Oligodeoxynucleotides by HPLC; 2.4.2 Purification of Chimeric Oligodeoxynucleotides by HPLC; 2.4.3 Re-Use of Columns2.5 Synthesis of Chimeric Oligodeoxynucleotides with Fluorescein Attached2.6 Summary; CHAPTER 3. The Design and Synthesis of Hammerhead Ribozymes; 3.1 Introduction; 3.2 The Design of Hammerhead Ribozymes; 3.3 Improving the Reactions; 3.3.1 Accessibility of the Target - Substrate Binding; 3.3.2 Finding the Target; 3.3.3 Theoretical Considerations; 3.3.4 Experimental Approaches; 3.3.5 Kinetic Studies; 3.4 Length of Arms; 3.4.1 Choosing Antisense Arms of Hammerhead Ribozymes; 3.4.2 Arms of Different Lengths; 3.5 Cleavage of the Target Motif; 3.6 Synthesis of Ribozymes3.6.1 Chemical Synthesis of Short Hammerhead Ribozymes3.6.2 Enzymatic Transcription in Vitro; 3.7 Endogenous Expression of Ribozyme Genes; CHAPTER 4. Delivery of Ribozymes and Antisense DNA Molecules into Mammalian Cells; 4.1 Introduction; 4.2 Exogenous Application; 4.2.1 lntracytoplasmic Delivery of Antisense Oligodeoxynucleotides by Reversible Plasma Membrane Permeabilization with Streptolysin O; 4.3 Microinjection; 4.4 Other Methods Used in Nucleic Acid Transfection; 4.5 Electroporation; 4.5.1 Method; 4.5.2 Transfection: Optimization of Conditions4.5.3 Mechanism of Uptake Following Electroporation4.5.4 Benefits and Drawbacks of Electrophoretic-Mediated Uptake; 4.6 Diethylaminoethyl-Dextran (DEAE- Dextran) and DNA Transfection; 4.6.1 Methods for Transfection of Adherent Cells; 4.6.2 Possible Alterations of the Above Protocol; 4.6.3 Transfection of Cells Growing in Suspension; 4.6.4 Transfection Optimization; 4.6.5 Distribution Mechanism of DEAE-Dextran Uptake and lntracellular; 4.6.6 Benefits and Drawbacks; 4.7 Calcium Phosphate Transfection; 4.7.1 Method; 4.7.2 Possible Alterations to Above Method; 4.7.3 Method Optimization4.7.4 Calcium Phosphate-Mediated Uptake and lntracellular DistributionAntisense and ribozymes have a relatively short yet successful history as research tools in gene expression studies, and thus are considered as having high potential reagents in treating viral infections and cancer.This laboratory companion provides detailed information on the potential, advantages and limitations of this methodology. It critically discusses potential pitfalls, presents strategies for choosing targets and delivery systems, so as to allow the selection of the optimum methodology for achieving fast and reliable experimental success with any human or other biological system. Laboratory companion.Antisense nucleic acidsLaboratory manualsCatalytic RNALaboratory manualsAntisense nucleic acidsCatalytic RNA572.88615.36Gibson Ian1938-MiAaPQMiAaPQMiAaPQBOOK996203927503316Antisense and ribozyme methodology1933177UNISA