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Leading Stem Cell Scientist Cleared of Misconduct Charges

August 28, 2015 | by Maria Cheng, AP Medical Writer | Comments

Sweden's Karolinska Institute says a leading stem cell scientist accused of unethical behavior has been cleared of scientific misconduct though he sometimes acted without due care.

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Researchers Use DNA 'Clews' to Shuttle CRISPR-Cas9 Gene-editing Tool into Cells

August 31, 2015 4:07 pm | by North Carolina State University | Comments

Researchers have for the first time created and used a nanoscale vehicle made of DNA to deliver a CRISPR-Cas9 gene-editing tool into cells in both cell culture and an animal model.

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Possible New Weapon Against PTSD

August 31, 2015 3:57 pm | by Anne Trafton, MIT | Comments

Blocking a newly identified memory pathway could prevent the disorder.

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Breast Cancer Risk Score Impacts Use of Chemotherapy

August 31, 2015 10:50 am | by Duke University | Comments

A genetic test that helps predict whether some women’s breast cancer will recur might influence how chemotherapy is used, according to a new study.

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New Synthetic Tumor Environments Make Cancer Research More Realistic

August 31, 2015 10:42 am | by University of Illinois | Comments

Tumors are notoriously difficult to study in their natural habitat – body tissues – but a new synthetic tissue environment may give cancer researchers the next-best look at tumor growth and behavior. Researchers have developed a new technique to create a cell habitat of squishy fluids, called hydrogels, which can realistically and quickly recreate microenvironments found across biology.

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Degenerating Neurons Respond to Gene Therapy Treatment for Alzheimer’s Disease

August 31, 2015 10:23 am | by UC San Diego | Comments

Degenerating neurons in patients with Alzheimer’s disease (AD) measurably responded to an experimental gene therapy in which nerve growth factor (NGF) was injected into their brains.

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A Fuller Picture of Cancer

August 31, 2015 9:42 am | by Harvard University | Comments

For first time, model captures both shape and speed of tumor growth.

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Study: Tiny, Wireless Pacemaker Could Be Surgery-free Option

August 31, 2015 9:16 am | by Maria Cheng, Associated Press | Comments

A tiny, wireless pacemaker could offer some heart patients a surgery-free alternative to the traditional devices, a new study says. Some doctors, however, say there are lingering safety questions and warned patients not to rush to get the new technology. 

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Drug Protects Against Effects of Nuclear Radiation Poisoning

August 31, 2015 8:22 am | by Ryan Bushey, Associate Editor | Comments

The study, led by researchers from the University of Texas Medical Branch at Galveston (UTMB), was recently published in the journal Laboratory Investigation.

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Bioscience Bulletin: Second Cancers, a Drinkable Book, and the Surprising Power of Tetris

August 31, 2015 8:22 am | by Bevin Fletcher, Associate Editor | Comments

Here are our top stories for this week!

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Study Can't Confirm Results of Many Psychology Experiments

August 28, 2015 10:24 am | by Malcolm Ritter, AP Science Writer | Comments

A large group of researchers set out to repeat 100 experiments published by leading psychology journals to see how often they would get the same results. The answer: Less than half the time.

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Researchers Home in on Biological Cause of ALS

August 28, 2015 10:21 am | by Stanford University | Comments

A defect in how proteins are transported inside cells may be at least partially responsible for some symptoms of amyotrophic lateral sclerosis, according to a new study.

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Differences in Brain Structure and Memory Suggest Adolescents May Not ‘Grow Out of’ ADHD

August 28, 2015 10:10 am | by University of Cambridge | Comments

Young adults diagnosed with attention deficit/hyperactivity disorder (ADHD) in adolescence show differences in brain structure and perform poorly in memory tests compared to their peers, according to new research.

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Vitamin D May Play Key Role in Preventing Macular Degeneration

August 28, 2015 9:30 am | by University at Buffalo | Comments

Vitamin D has been studied extensively in relation to bone health as well as cancer. Now, a team has discovered that vitamin D may play a significant role in eye health, specifically in the possible prevention of age-related macular degeneration, or AMD, among women who are more genetically prone to developing the sight-damaging disease.

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Cells Cling and Spiral ‘Like Vines’ in First 3D Tissue Scaffold for Plants

August 27, 2015 10:59 am | by University of Cambridge | Comments

New cost-effective material which mimics natural ‘extracellular matrix’ has allowed scientists to capture previously unseen behavior in individual plant cells, including new shapes and interactions. New methods highlight potential developments for plant tissue engineering.

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Jammed Up Cellular Highways May Initiate Dementia and ALS

August 27, 2015 10:41 am | by Johns Hopkins University | Comments

Researchers say they have discovered some of the first steps in how a very common gene mutation causes the brain damage associated with both amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD).

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