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JoVE Journal
Biology

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A Quantitative Assay to Study Protein
 

A Quantitative Assay to Study Protein:DNA Interactions, Discover Transcriptional Regulators of Gene Expression, and Identify Novel Anti-tumor Agents

Article DOI: 10.3791/50512-v 06:43 min August 31st, 2013
August 31st, 2013

Chapters

Summary

We developed a quantitative DNA-binding, ELISA-based assay to measure transcription factor interactions with DNA. High specificity for the RUNX2 protein was achieved with a consensus DNA-recognition oligonucleotide and specific monoclonal antibody. Colorimetric detection with an enzyme-coupled antibody substrate reaction was monitored in real time.

Tags

Quantitative Assay Protein:DNA Interactions Transcriptional Regulators Gene Expression Anti-tumor Agents DNA-binding Assays Electrophoretic Mobility Shift Assays (EMSA) Chemiluminescent Assays Chromatin Immunoprecipitation (ChIP) Multiwell-based Assays Transcription Factor Activity Radiolabeled Oligonucleotides Inhibitors Of DNA Binding Quantitative DNA-binding Enzyme-linked Immunosorbent Assay (D-ELISA) Assay RUNX2 Transcription Factor Consensus DNA-binding Sequences Biotin-labeled Oligonucleotides Cells Preparation Nuclear Protein Extraction Double Stranded Oligonucleotides Design Avidin-coated 96-well Plates Alkaline Buffer Fixation Nucleotide Blocking Buffer Incubation Primary Antibody And Secondary Antibody Incubations Horseradish Peroxidase Substrate Addition Colorimetric Reaction Development Specificity Controls
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PLAYLIST

Cells and Genome
Cell Chemistry and Biosynthesis
Proteins
Basic Genetic Mechanisms
DNA, Chromosomes and Genomes
The Structure and Function of DNA
Chromosomal DNA and Its Packaging in the Chromatin Fiber
DNA Replication, Repair, and Recombination
The Initiation and Completion Of DNA Replication in Chromosomes
How Cells Read the Genome: From DNA to Protein
Control of Gene Expression
Ways of Working With Cells
Analyzing Cells, Molecules and Systems
Visualizing Cells
Cells in Their Social Context
Cell Junctions, Cell Adhesion, and the Extracellular Matrix
Cancer
Development of Multicellular Organisms

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