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New technique for identifying gene-enhancers

Berkeley Lab researchers led the development of a new technique for identifying gene enhancers - sequences of DNA that act to amplify the expression of a specific gene - in the genomes of humans and other mammals. Called SIF-seq, this new technique complements existing genomic tools, such as ChIP-seq, and offers additional benefits.

Posted: Mar 24th, 2014

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Microfluidic device with artificial arteries measures drugs' influence on blood clotting

A new microfluidic method for evaluating drugs commonly used for preventing heart attacks has found that while aspirin can prevent dangerous blood clots in some at-risk patients, it may not be effective in all patients with narrowed arteries. The study, which involved 14 human subjects, used a device that simulated blood flowing through narrowed coronary arteries to assess effects of anti-clotting drugs.

Posted: Mar 24th, 2014

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A new way to make muscle cells from human stem cells

As stem cells continue their gradual transition from the lab to the clinic, a research group at the University of Wisconsin-Madison has discovered a new way to make large concentrations of skeletal muscle cells and muscle progenitors from human stem cells.

Posted: Mar 21st, 2014

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Switching an antibiotic on and off with light

Scientists have produced an antibiotic, whose biological activity can be controlled with light. Thanks to the robust diarylethene photoswitch, the antimicrobial effect of the peptide mimetic can be applied in a spatially and temporally specific manner.

Posted: Mar 21st, 2014

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Virtual blood flow

A new computer technique can realistically simulate how medicine affects the liver.

Posted: Mar 19th, 2014

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Building heart tissue that beat

When a heart gets damaged, such as during a major heart attack, there's no easy fix. But scientists working on a way to repair the vital organ have now engineered tissue that closely mimics natural heart muscle that beats, not only in a lab dish but also when implanted into animals.

Posted: Mar 18th, 2014

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