7 Days in Science – January 24, 2020
List Jan 24, 2020
Magnetized Molecules Help Monitor Breast Cancer
A new type of scan that involves magnetizing molecules allows doctors to see in real-time which regions of a breast tumor are active.
Published in: PNAS
Blood Test Could Predict Onset of Tuberculosis
Scientists at UCL have shown a blood test could predict the onset of tuberculosis three to six months before people become unwell, a finding which could help better target antibiotics and save countless lives.
Published in: The Lancet Respiratory Medicine
Biodegradable Nerve Guide Helps Regenerate Damaged Nerves
Scientists at the University of Pittsburgh School of Medicine are exploring a novel treatment optio nfor nerve damage: a biodegradable nerve guide filled with the growth promoting protein glial cell-derived neurotrophic factor. Their initial findings in rheusus monkeys look promising.
Published in: Science Translatonal Medicine
Sweeter Is Not Always Better, According to Vomiting Bumblebees
The sweetest nectar is not necessarily the best: too much sugar slows down bees according to new research. The results will inform breeding efforts to make crops more attractive to pollinators, boosting yields to feed our growing global population.
Published in: Interface
Why Does Stress Turn Hair Gray? Nerve Study Provides the Answer
For a long time, anecdotes have connected stressful experiences with the phenomenon of hair graying. Now, for the first time, scientists have discovered exactly how the process plays out at a molecular level.
I recently had the pleasure of speaking with Nigel Bunnett, PhD., Chair of the Department of Basic Science and Craniofacial Biology at New York University (NYU) College of Dentistry, to learn about the development and testing of a nanoparticle, designed to deliver a drug called aprepitant to the receptor within endosomes, to disrupt pain signaling. Findings from their recent study, published in Nature Nanotechnology showed that the nanoparticles were actually more effective than opioids in models of acute pain, chronic inflammatory pain, and neuropathic pain.
A recent study of field trials in Oregon and Arizona demonstrated that poplar trees can be genetically modified to not harm the quality of the air, and that these genetic modifications do not impact their growth potential. Technology Networks spoke with Russell Monson, Professor of Ecology and Evolutionary Biology at the University of Arizona and lead author of the study, to learn more about why the scientists adopted RNA interference and the regulations that surround genetically modified trees.
A new technique, called cryo-SR/EM, melds images captured from electron microscopes and super-resolution light microscopes, resulting in clear, detailed views of the inside of cells – in 3-D. This image shows developing neurons adhering to each other.
Credit: D. Hoffman et al./Science 2020
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