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The Lead

Fast-like Diet Could Reduce MS Symptoms

May 27, 2016 | by Emily Gersema, USC | Comments

Previous studies indicated that similar diets could fight cancer and reduce the signs of aging.


Sleep Drive Mechanism Uncovered in Fruit Flies

May 31, 2016 11:41 am | by Elizabeth Doughman, Editor-in-Chief | Comments

Researchers at Johns Hopkins University School of Medicine have discovered why delaying bedtime causes chronic sleepiness. The results, in fruit flies, may help people with sleep disorders.


Cells Engineered From Muscular Dystrophy Patients Offer Clues to Variations in Symptoms

May 31, 2016 10:22 am | Comments

Johns Hopkins researchers report they have inadvertently found a way to make human muscle cells bearing genetic mutations from people with Duchenne muscular dystrophy (DMD).


Scientists Discover Mechanism that Turns Mutant Cells into Aggressive Cancers

May 31, 2016 10:08 am | Comments

A new study shows how a gene mutation found in several human cancers, including leukemia, gliomas and melanoma, promotes the growth of aggressive tumors.


NIH Experts Question Study Linking Cell Phones to Tumors

May 31, 2016 10:01 am | by Seth Borenstein, Associated Press | Comments

National Institutes of Health expert reviewers are finding flaws in the agency's new study that connects heavy cell phone radiation to a slight increase in brain tumors in male rats.


The Brain Needs Cleaning to Stay Healthy

May 31, 2016 9:51 am | Comments

Research led by the Achucarro Basque Center for Neuroscience, the University of the Basque Country (UPV/EHU), and the Ikerbasque Foundation has revealed the mechanisms that keep the brain clean during neurodegenerative diseases.


Is Aging Inevitable? Not Necessarily for Sea Urchins

May 31, 2016 9:19 am | Comments

Some species of sea urchins live to extraordinary old ages and -- even more remarkably -- do so with no signs of poor health, such as a decline in regenerative capacity or an increase in age-related mortality.


Researchers Develop Faster, Better CRISPR Editing in Mice

May 27, 2016 12:08 pm | by Robert Sanders, UC Berkeley | Comments

Scientists have developed a quicker and more efficient method to alter the genes of mice with CRISPR-Cas9, simplifying a procedure growing in popularity because of the ease of using the new gene-editing tool. The new method gets around a time-consuming bottleneck in creating knockout mice: using microscopic needles to inject gene-editing molecules into a fertilized egg.

Antibody Attacks Only Cancer Cells, Animal Study Shows

May 27, 2016 11:43 am | by Elizabeth Doughman, Editor-in-Chief | Comments

An antibody, produced by the body's own immune system, preferentially attacks only cancer cells, according to a new study from researchers at Duke University Medical Center. It works by dismantling the cancer cell's defense system.


Breast Cancer Cells Lose Hide-and-Seek Game

May 26, 2016 2:11 pm | by Duke Medicine News and Communications | Comments

Scientists have identified a molecular key that breast cancer cells use to invade bone marrow in mice, where they may be protected from chemotherapy or hormonal therapies that could otherwise eradicate them.


Stress Test Could Explain Male, Female Eating Disorders

May 26, 2016 1:51 pm | by Weizmann Institute of Science | Comments

A stress receptor in the brain is found to regulate metabolic responses to stressful situations differently in male and female mice.

Entire Brain’s Activity Captured in Just One Image

May 26, 2016 1:27 pm | by Rockefeller University | Comments

When it comes to measuring brain activity, scientists have tools that can take a precise look at a small slice of the brain (less than one cubic millimeter), or a blurred look at a larger area. Now, researchers describe a new technique that combines the best of both worlds — it captures a detailed snapshot of global activity in the mouse brain.


Here’s Why Fruit Flies Have Giant Sperm

May 26, 2016 1:22 pm | by University of Zurich | Comments

The fruit fly Drosophila bifurca is only a few millimeters in size but produces sperm that are almost six centimeters long. A team of researchers now provides the first conclusive explanation for the evolution of such giant sperm.

Dog Study Provides Answers About Brain Tumor Development

May 26, 2016 12:07 pm | by Elizabeth Doughman, Editor-in-Chief | Comments

Dogs are an excellent animal model for studying cancer, a recent study published in PLOS Genetics found. The research identified genes that could possibly play a role in the development of brain cancer in both dogs and humans.


USDA Issues Historic Fine Against Biotech Company in Animal Welfare Settlement

May 25, 2016 1:14 pm | by Lauren Scrudato, Associate Editor, Laboratory Equipment | Comments

Santa Cruz Biotechnology, Inc. has agreed to pay a $3.5 million fine, and revoke its research registration and dealer license in accordance with terms of a legal settlement with the U.S. Dept. of Agriculture.


Targeted Liver Cancer Treatment on the Horizon

May 25, 2016 1:10 pm | by University of Eastern Finland | Comments

A new molecular mechanism can be used to inhibit the growth of hepatocellular carcinoma, which is the most common liver cancer.



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