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Sorting Through Cellular Statistics
Aaron Dinner, professor in chemistry, and his graduate student Herman Gudjonson are trying to read the manual of life, DNA, as part of the Dinner group’s research into bioinformatics—the application of statistics to biological research.
First Artificial Ribosome Designed
Researchers at the University of Illinois at Chicago and Northwestern University have engineered a tethered ribosome that works nearly as well as the authentic cellular component, or organelle, that produces all the proteins and enzymes within the cell.
The Genetic Roots of Adolescent Scoliosis
Scientists at the RIKEN Center for Integrative Medical Sciences in collaboration with Keio University in Japan have discovered a gene that is linked to susceptibility of Scoliosis.
HIV Susceptibility Linked to Little-Understood Immune Cell Class
High levels of diversity among immune cells called natural killer cells may strongly predispose people to infection by HIV, and may be driven by prior viral exposures, according to a new study.
New Tech Enables Epigenomic Analysis with a Mere 100 Cells
A new technology that will dramatically enhance investigations of epigenomes, the machinery that turns on and off genes and a very prominent field of study in diseases such as stem cell differentiation, inflammation and cancer has been developed by researchers at Virginia Tech.
TOPLESS Plants Provide Clues to Human Molecular Interactions
Scientists at Van Andel Research Institute have revealed an important molecular mechanism in plants that has significant similarities to certain signaling mechanisms in humans, which are closely linked to early embryonic development and to diseases such as cancer.
Toxin from Salmonid Fish has Potential to Treat Cancer
Researchers from the University of Freiburg decode molecular mechanism of fish pathogen.
Study Finds Non-Genetic Cancer Mechanism
Cancer can be caused solely by protein imbalances within cells, a study of ovarian cancer has found.
Long-sought Discovery Fills in Missing Details of Cell 'Switchboard'
A biomedical breakthrough reveals never-before-seen details of the human body’s cellular switchboard that regulates sensory and hormonal responses.
Rice Disease-Resistance Discovery Closes the Loop for Scientific Integrity
Researchers reveal how disease resistant rice detects and responds to bacterial infections.
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BRD4 Bromodomain 1 Inhibitor Screening Using a Homogeneous Proximity Assay
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BioTek Instruments

Epigenetics refers to a dynamic set of processes that regulate transcription of the genome, some involving chemical modification of histone proteins. Histones associate with DNA to form nucleosomes, which bundle to form chromatin and chromosomes. Histones contain a flexible N-terminus tail, which protrudes from the nucleosome and is the site for epigenetic modifications. Modifications to amino acid residues in the histone tail include the addition and removal of functional groups, such as methyl and acetyl groups by specific enzymes. Other proteins affect epigenitic changes by reading whether the histone tail has been modified. A bromodomain protein is one such protein that recognizes and binds to the acetylated lysine residues in the histone tail. Inhibition of this protein: protein binding event is of major interest in some forms of cancer. This application highlights an HTS screening assay useful for studying the inhibition of bromodomain/histone binding. Continued interest in histone modifying proteins as druggable targets makes these types of assays an important focus area given the increased performance of the Synergy™ Neo HTS instrument. The assay is an extremely rapid and easy to perform biochemical assay with little optimization required aside from some initial instrumentation optimization. This assay was easily scaled to a 384-well format required for screening of small compound libraries.

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