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Trending Stories Report for 28 April 2015

Trending news releases with the most views in a single day. Topics include: Underage drinking, dieting, electrical engineering, neurology and genetics, Nepal earthquake, breast cancer, and supercomputing.

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11 Facts About Our Microbial Menagerie

Trillions of microorganisms inhabit us—inside and out. Scientists are surveying these microbial metropolises to learn more about their role in health. Here are a few details of what researchers have learned so far.

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Mayo Clinic-led Research Team Identifies Master Switch for Cancer-Causing HER2 Protein

Herceptin has been touted as a wonder drug for women with HER2-positive breast cancer, an aggressive form of the disease that is fueled by excess production of the HER2 protein. However, not all of these patients respond to the drug, and many who do respond eventually acquire resistance.

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Neurons Constantly Rewrite Their DNA

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Scientists have discovered that neurons are risk takers: They use minor “DNA surgeries” to toggle their activity levels all day, every day. Since these activity levels are important in learning, memory and brain disorders, the researchers think their finding will shed light on a range of important questions.

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More Power to the Mitochondria: Cells' Energy Plant Also Plays Key Role in Stem Cell Development

Researchers at NYU Langone Medical Center have discovered that mitochondria, the major energy source for most cells, also play an important role in stem cell development — a purpose notably distinct from the tiny organelle’s traditional job as the cell’s main source of the adenosine triphosphate (ATP) energy needed for routine cell metabolism.

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Study Reveals How FOXO1 Slows Diabetic Wound Healing

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A protein that normally fosters tissue repair instead acts to inhibit healing when sugar levels are high. The role reversal helps explain why wounds heal slowly in people with diabetes.

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Dead Feeder Cells Support Stem Cell Growth

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Stem cells naturally cling to feeder cells as they grow in petri dishes. Scientists have thought for years that this attachment occurs because feeder cells serve as a support system, providing stems cells with essential nutrients.

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Trending Stories Report for 24 April 2015

Trending news releases with the most views in a single day. Topics include: exercise and obesity, Focused Ultrasound to treat uterine fibroids, neurology, diet supplements and cancer (day 4 in top 10), genetics, geology, skin cancer, sleep and Alzheimer's, and water conservation.

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Gene-Editing Technique Offers Hope for Hereditary Diseases

Salk scientists use molecular “scissors” to eliminate mitochondrial mutations in eggs and embryos

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Fat Signals Control Energy Levels in the Brain

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An enzyme secreted by the body’s fat tissue controls energy levels in the brain, according to new research at Washington University School of Medicine in St. Louis. The findings, in mice, underscore a role for the body’s fat tissue in controlling the brain’s response to food scarcity, and suggest there is an optimal amount of body fat for maximizing health and longevity.