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숙명여자대학교 / 생명과학과 박종훈 Biotechnology 의 최신 동향
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1. Genome: > 75 yrs 2. Genomics : T. Roderick in 1986 Structural genomics Functional genomics Functional Genomics
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Post-Genome Era Unknown Genes Known Genes Functional Genomics cDNA Microarray Proteomics Bioinformatics Finding of novel functional genes Disease Drug target Human Genes 36,655
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In vovo functional genomics?
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Germline modification Isolate Blastocyst Derive ES cell line Gene Targeting Inject into Blastocyst Transfer to surrogate female Chimera Host blastocyst derived progenyES cell-derived progeny
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Polycystic Kidney Disease (PKD) Autosomal Dominant Polycystic Kidney Disease (ADPKD) PKD1 - chromosome 16p 13.3 PKD2 - chromosome 4p21-q23 Non-PKD1-PKD2 PKHD1 - chromosome 6p 21.1-p12 Autosomal Recessive Polycystic Kidney Disease (ARPKD)
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Structure of PKD1
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Structure of PKD2
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Characterization of mouse pkd2 and human PKD2 gene pkd1 PKD2 Physical spanning: ~42 kb 68 kb Transcript Size: 5.2 kb 5.4 kb ORF: ~2.9 kb 2.9 kb Amino Acids: 966 968 Identical at Nucleotide level: ~87% Homologous at AA level: 90.8% Functional Domain: conserved Location: Chr. 5 Chr.4q21-23 Expression Level: Five fold greater in High in human ovary, mouse kidney than fetal and adult kidney, other organs testis, fetal lung, and intestine
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Targeting of the Pkd2 Locus
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The Pkd2 Null Mutation
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EF-hand Domain
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Primers for Mutagenesis Constructs of PKD2 C-terminal region 6th TM PGW2 B8-1 PGW3 PGW4 PGW5 EF-hand PKD2
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-X-Z 6th TM B8-1 EF-hand PKD2 PGW6 -X-Z A B GST B8-1(W) B8-1(M) M GST PGW6(W) PGW6(-Z) PGW6(-X) 206 48 35 29 20 206 48 35 29 20 C
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What is cDNA microarray?
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Sample Preparation Biological Question Microarray Life Cycle Microarray Reaction Microarray Detection Data Analysis & Modeling
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DNA Chip 이란 무엇인가 ? 생명과학 + 전자, 기계공학 핵심기술 : 1) DNA Mcroarray 2) Biochip 3) Lab on a Chip DNA Chip
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GeneFilters Microarrays a. Spotting Format b. Control c. Induced Sample
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Selected DNA Microarray Photochemical technologyInk-Jet technologyGlass Slide
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1. Gene Expression Analysis
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Technology Access Target preparation Probe preparaion Data analysis
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cDNA Microarray Analysis of DNA copy-number changes a b c
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2. Affymetrix Chips
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GeneChip Probe Array Synthesis Process 1. Light 2. Deprotected area Activation 3. Chemical coupling 4. New Mask 5. Coupling 6. Repeating PROCESS :
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Sequence Analysis Array
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Genotyping Arrays
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Maskless Array DNA Chip Technology UV Light Source Filter Digital Micromirror Array Condenser From Computer From DNA Synthesizer Projection System DNA Chip being written
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3. Nanogen DNA Chip Semiconductor Microchip Permeation Layer
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Electronic Addressing of Nanogen DNA Chip
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4. Hightlights of Clinical Micro Sensors DNA Chip CMS Technology Handheld DNA Chip Reader
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