Contemporary Concepts in Cellular and Molecular Biology for the Medical Physicist Barry S. Rosenstein, Ph.D. Mount Sinai School of Medicine NYU School of Medicine www.che m.ucsb.e du/.../ima ges/Wats onCrick.j pg Alberts et al. Molecular Biology of the Cell, 1994 1 Alberts et al. Molecular Biology of the Cell, 1994 Alberts et al. Molecular Biology of the Cell, 1994 Alberts et al. Molecular Biology of the Cell, 1994 Alberts et al. Molecular Biology of the Cell, 1994 2 Alberts et al. Molecular Biology of the Cell 1994 Alberts et al. Molecular Biology of the Cell, 1994 Lewin, Genes V, 1994 Hall, Radiobiology for the Radiologist, 2000 3 Lewin, Genes V, 1994 Lewin, Genes V, 1994 VECTORS RESTRICTION ENDONUCLEASES •Self-replicating DNA molecule that has the ability to carry another foreign DNA molecule into a host cell. •Purpose - insert a fragment of DNA into a vector so that it can be replicated and grown into quantities suitable for study. Alberts et al. Molecular Biology of the Cell, 1994 4 PLASMID Alberts et al. Molecular Biology of the Cell, 1994 Alberts et al. Molecular Biology of the Cell, 1994 COMMONLY USED REPORTER GENES REPORTER GENE ASSAYS • • • • • • • Chloramphenicol Acetyltransferase (CAT) Firefly Luciferase β-Galactosidase Secreted Alkaline Phosphatase (SEAP) Human Growth Hormone (hGH) β-Glucuronidase (GUS) Green Fluorescent Protein (GFP) Hall and Giaccia, Radiobiology for the Radiologist, 2006 5 GENOMIC LIBRARY LIBRARIES Compilation of DNA fragments that make up the entire genome. athena.bioc.u vic.ca/.../copy 13_of_sampl e/phage 6 cDNA LIBRARY DNA complementary to mRNA - only the expressed genes of a particular cell. 8e.devbio.com/im ages/ch04/0405fi g2.jpg EXPRESSION LIBRARY http://fig.cox.miami.ed u/~cmallery/150/gene/s f16x5.jpg Alberts et al. Molecular Biology of the Cell, 1994 7 GEL ELECTROPHORESIS Hall and Giaccia, Radiobiolog y for the Radiologist, 2006 http://www.mun.ca/biology/scarr/Lab_5_gel_1999.gif www.cbs.dtu.dk/staff/dave/roanoke/fig5_33.jpg Hall and Giaccia, Radiobiology for the Radiologist, 2006 8 SDS POLYACRYLAMIDE GEL ELECTROPHORESIS http://fig.cox.miami.edu/~cmallery/2 55/255tech/mcb3.32.SDS.elect.jpg Hall and Giaccia, Radiobiology for the Radiologist, 2006 POLYMERASE CHAIN REACTION Alberts et al. Molecular Biology of the Cell, 1994 Alberts et al. Molecular Biology of the Cell, 1994 9 REVERSE TRANSCRIPTASE PCR RT PCR qPCR Using Real-Time PCR https://www. finnzymes.fi/ realtime_qpc r/dynamo_ca pillary_sybr_ green_qpcr_ kit.html NORTHEN BLOT Southern Blotting – DNA Northern Blotting – RNA Alberts et al. Molecular Biology of the Cell, 1994 http://www.mcmaster.ca/inabis98/higuchi/noda0326/f3small.gif 10 FAR-WESTERN BLOTTING WESTERN BLOT http://www.bseinqu iry.gov.uk/report/vo lume2/fig1_8.htm http://www.bioon.com/experiment/UploadFiles/200408/20040803131929294.gif EXPRESSION MICROARRAYS www.Affymetrix.com www.Affymetrix.com 11 www.Affymetri x.com www.Affyme trix.com www.Affymetr ix.com www.Affymetrix.com 12 www.Aff ymetrix.c om Hall and Giaccia, Radiobiology for the Radiologist, 2006 SINGLE NUCLEOTIDE POLYMORPHISM SNP Bruchova. Leukemia Res.28:1,2004 http://ww w.ogt.co. uk/image s/humangeneexpressio n.gif www.seq.ubc.ca/deco de.ne-icelands-dna/ 13 PERSONALIZED MEDICINE The use of detailed information about a patient's genotype in order to select a medication, therapy or preventative measure that is particularly suited specifically to that patient. www.sanger.ac.uk SINGLE-STRANDED CONFORMATION POLYMORPHISM SSCP SNP ASSAYS National.diagnostics.combined/images/2_3_2/gif 14 MOLECULAR BEACONS 5’ Nuclease TaqMan Assay Clinical Science www.clinsci.org. www.clinsci.org. Clin. Clin. Sci. Sci. (2005) 109, 365365379 www.ebiotra de.com/,,,/fig. molecular_be acons.gif SNP/CNP (Genotyping) Arrays Affymetrix Illumina www.Affymetrix.com 15 http://www. accessexc ellence.org /RC/VL/GG/ transgenic. php http://www.biken.osaka-u.ac.jp/act/act_okabe_e.php Enzyme-Linked ImmunoSorbent Assay KNOCKOUT MICE http://www.niaaa.nih.g ov/Resources/Graphics Gallery/Genetics/homa n.htm http://64.202.120.86/upload/image/articles/2006/biopen/biopen-elisa-schematic.jpg 16 Electrophoretic Mobility Shift Assay EMSA www.biochem.arizona.edu/.../Am64./8a.gif CHROMATIN IMMUNOPRECIPITATION ChIP IMMUNOPRECIPITATION www.molecularstation.com ChIP-on-chip http://en.wikipedia.org /wiki/ChIP-on-chip www.vinicibiochem.it/images/chip_flow.jpg 17 DNase I Footprinting Alberts et al. Molecular Biology of the Cell, 1994 siRNA www.scq.ubc.ca/wpcontent/siRNA.gif Alberts et al. Molecular Biology of the Cell, 1994 miRNA www.microrna.ic .cz/obr/image003 .png 18 PULSED FIELD GEL ELECTROPHORESIS DNA STRAND BREAK ASSAYS Herschleb et al., Nature Protocols 2: 677, 2007 COMET ASSAY www.scielo.br/img/fbpe/gmb/v23n1/2339f1.jpg Burdak-Rothkamm Oncogene 26: 993, 2007 19 http://jamescbende r.com/bendersblog /Default.aspx 20