1Division of Human Genetics, Children's Hospital of Philadelphia Research Institute, 2Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania
The combination of chromatin immunoprecipitation and ultra-high-throughput sequencing (ChIP-seq) can identify and map protein-DNA interactions in a given tissue or cell line. Outlined is how to generate a high quality ChIP template for subsequent sequencing, using experience with the transcription factor TCF7L2 as an example.
Published April 19, 2013. Keywords: Molecular Biology, Genetics, Biochemistry, Microbiology, Medicine, Proteins, DNA-Binding Proteins, Transcription Factors, Chromatin Immunoprecipitation, Genes, chromatin, immunoprecipitation, ChIP, DNA, PCR, sequencing, antibody, cross-link, cell culture, assay
1Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation
A protocol is described that uses Illumina's Infinium assays to perform large-scale genotyping. These assays can reliably genotype millions of SNPs across hundreds of individual DNA samples in three days. Once generated, these genotypes can be used to check for associations with a variety of different diseases or phenotypes.
Published November 19, 2013. Keywords: Basic Protocol, genomics, SNP, Genotyping, Infinium, iScan, HiScan, Illumina
1Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California - Davis, 2Veterinary Genetics Laboratory, School of Veterinary Medicine, University of California, Davis
Malaria transmitting mosquitoes have a number of epidemiologically important characteristics that can only be detected using molecular techniques. Utilizing a MALDI-TOF based SNP genotyping platform, we developed an assay for simultaneously detecting multiple key traits (species, insecticide resistance, parasite infection and host choice) of malaria vectors.
Published February 28, 2015. Keywords: Infectious Diseases, Mosquito, SNP genotyping, multiplex assay, iPLEX, MALDI-TOF, insecticide resistance, speciation islands, species diagnosis, parasite detection, blood source detection, host preference, infection status
1Department of Neurology, Massachusetts General Hospital
We present a rapid and inexpensive screening method for identifying transcriptional regulators using high-throughput robotic transfections and a homemade dual-glow luciferase assay. This protocol rapidly generates direct side-by-side functional data for thousands of genes and is easily modifiable to target any gene of interest.
Published June 1, 2014. Keywords: Cellular Biology, Luciferases, Gene Transfer Techniques, Transfection, High-Throughput Screening Assays, Transfections, Robotics
1Department of Human and Molecular Genetics, Virginia Commonwealth University, 2VCU Alcohol Research Center, Virginia Commonwealth University
Straightforward assays for measuring ethanol sensitivity and rapid tolerance in Drosophila facilitate the use of this model organism for investigating these important ethanol-related behaviors. Here, a relatively simple, scalable assay for measuring ethanol sensitivity and rapid tolerance in flies is described.
Published April 15, 2015. Keywords: Neuroscience, ethanol, alcohol, behavior, sensitivity, Drosophila, fruit fly, assay
1Department of Clinical Genetics, VU University Medical Center, 2Center for Neurogenomics and Cognitive Research, Neuroscience Campus Amsterdam
We describe a methodology combining automated cell culturing with high-content imaging to visualize and quantify multiple cellular processes and structures, in a high-throughput manner. Such methods can aid in the further functional annotation of genomes as well as identify disease gene networks and potential drug targets.
Published January 6, 2012. Keywords: Medicine, High-throughput screening, high-content screening, neurodegeneration, automated cell culturing, Parkinson’s disease
1Wellcome Trust Centre for Human Genetics, University of Oxford
Genetic associations often remain unexplained at a functional level. This method aims to assess the effect of phenotype-associated genetic markers on gene expression by analyzing cells heterozygous for transcribed SNPs. The technology allows accurate measurement by MALDI-TOF mass spectrometry to quantify allele-specific primer extension products.
Published November 3, 2010. Keywords: Cellular Biology, Gene expression, regulatory variant, haplotype, association study, primer extension, MALDI-TOF mass spectrometry, single nucleotide polymorphism, allele-specific
JoVE Developmental Biology
1Cardiovascular Research Institute, University of California
This article describes a method for creating a mechanical vessel injury in zebrafish embryos. This injury model provides a platform for studying hemostasis, injury-related inflammation, and wound healing in an organism ideally suited for real-time microscopy.
Published February 17, 2015. Keywords: Developmental Biology, Zebrafish, hemostasis, vascular injury, wound healing, inflammation, microscopy