News tagged with cellular biology
Hundreds of alterations and potential drug targets to starve cancer tumors identified
A massive study analyzing gene expression data from 22 tumor types has identified multiple metabolic expression changes associated with cancer. The analysis, conducted by researchers at Columbia University Medical Center, ...
Cancer
Apr 21, 2013 |
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Sizing up bone growth: A surprising cellular mechanism drives skeletal proportions
(Medical Xpress)—Stroll through the Harvard Museum of Natural History and gaze up at the whale skeleton looming overhead. Look down at the furry foxes curled up inside their glass display cases. Don't forget ...
Medical research
Mar 14, 2013 |
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Fragile X makes brain cells talk too much, research shows
The most common inherited form of mental retardation and autism, fragile X syndrome, turns some brain cells into chatterboxes, scientists at Washington University School of Medicine in St. Louis report.
Neuroscience
Feb 20, 2013 |
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Structure of a bond formed by two proteins critical for hearing and balance described for the first time
Researchers have mapped the precise 3-D atomic structure of a thin protein filament critical for cells in the inner ear and calculated the force necessary to pull it apart.
Medical research
Nov 07, 2012 |
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Discovery sheds light on Alzheimer's mystery
(Medical Xpress)—In 1906, when Alois Alzheimer discovered the neurodegenerative disease that would later be named for him, he saw amyloid-beta plaques and neurofibrillary tangles inside the brain. Several decades later, ...
Alzheimer's disease & dementia
Oct 22, 2012 |
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Using precisely-targeted lasers, researchers manipulate neurons in worms' brains, take control of their behavior
In the quest to understand how the brain turns sensory input into behavior, Harvard scientists have crossed a major threshold. Using precisely-targeted lasers, researchers have been able to take over an animal's ...
Neuroscience
Sep 24, 2012 |
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Using rabies virus, researcher tracks inputs to dopamine neurons
A genetically-modified version of the rabies virus is helping scientists at Harvard to trace neural pathways in the brain, a research effort that could one day lead to treatments for Parkinson's disease and addiction.
Neuroscience
Jun 06, 2012 |
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Study shows how neurons interact, could lead to new treatment for addiction
Harvard scientists have developed the fullest picture yet of how neurons in the brain interact to reinforce behaviors ranging from learning to drug use, a finding that might open the door to possible breakthroughs in the ...
Neuroscience
Jan 18, 2012 |
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'Brainbow,' version 2.0: Researchers refine breakthrough system for producing images of brain, nervous system
(Medical Xpress)—The breakthrough technique that allowed scientists to obtain one-of-a-kind, colorful images of the myriad connections in the brain and nervous system is about to get a significant upgrade.
Neuroscience
May 16, 2013 |
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Discovery reshapes understanding of embryonic development
(Medical Xpress)—When a baby is born, one of the first things a parent will do is count fingers and toes. New research conducted at UC San Francisco sheds lights on how these specialized digits are formed.
Medical research
May 01, 2013 |
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The motivation to move: Study finds rats calculate 'average' of reward across several tests
Suppose you had $1,000 to invest in the stock market. How would you decide to pick one stock over another? Scientists have made great progress in understanding the neuroscience behind how people choose between ...
Neuroscience
Apr 19, 2013 |
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Researchers identify and block protein that interferes with appetite-suppressing hormone
Ever since the appetite-regulation hormone called leptin was discovered in 1994, scientists have sought to understand the mechanisms that control its action. It was known that leptin was made by fat cells, reduced appetite ...
Medical research
Apr 17, 2013 |
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Researchers discover new treatment possibilities for Lou Gehrig's disease
(Medical Xpress)—A team led by Dr. Alex Parker, a professor of pathology and cellular biology and a researcher at the University of Montreal Hospital Research Centre (CRCHUM), has identified an important ...
Neuroscience
Apr 17, 2013 |
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Fatheads: How neurons protect themselves against excess fat
We're all fatheads. That is, our brain cells are packed with fat molecules, more of them than almost any other cell type. Still, if the brain cells' fat content gets too high, they'll be in trouble. In a recent study in mice, ...
Medical research
Apr 08, 2013 |
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Loss of tumor suppressor SPOP releases cancer potential of SRC-3
Mutations in a protein called SPOP (speckle-type POZ protein) disarm it, allowing another protein called steroid receptor coactivator-3 (SRC-3) to encourage the proliferation and spread of prostate cancer cells, said researchers ...
Cancer
Apr 01, 2013 |
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