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Researchers discover mechanism that determines when detailed memories are retained
10-13-2006 · EurekAlert!The levels of a chemical released by the brain determine how much detail is retained in memories, according to researchers at UC Irvine.
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Keywords: researchers, discover, mechanism, determines, detailed, memories, retained, researcher, determine, memory
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- NIH researchers discover protein that appears to regulate bone mass loss, the cause of osteoporosis
03-05-2007 · EurekAlert!
An estimated ten million Americans suffer from osteoporosis, and another 34 million Americans are at risk of developing the disease. The basic mechanism behind osteoporosis involves an imbalance between bone mineral formation and loss, but the detailed biological processes that lead to this imbalance are not completely understood. Now researchers at NIAID and colleagues are reporting new insights into the biology of bone loss based on a study of 14 people with a rare genetic disorder called X-linked Hyper IgM Syndrome.
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- Researchers use new method to probe recollections in memory-impaired patients
02-04-2008 · EurekAlert!
Neuroscientists continue to debate whether or not long-term memory always depends on a region of the brain called the medial temporal lobe, which contains the brain's memory-processing center, the hippocampus. A new study of brain-damaged patients by researchers at the University of California-San Diego School of Medicine readdresses the issue using a new method to elicit more detailed long-term memories.
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- The Uukuniemi virus helps to explain the infection mechanism of bunyaviruses
02-15-2008 · EurekAlert!
The Uukuniemi virus is the first bunyavirus whose structure researchers have been able to determine. Together with more detailed studies of the viral membrane proteins, knowledge of the Uukuniemi virus may provide a basis for development of drugs for treating bunyavirus diseases, such as hemorrhagic fever and encephalitis.
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- Oregon researchers discover a mechanism leading to cleft palate
02-11-2008 · EurekAlert!
By creating a genetic mutation in zebrafish, University of Oregon scientists say they've discovered a previously unknown mechanism for cleft palate, a common birth defect in humans that has challenged medical professionals for centuries.
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- Brain networks strengthened by closing ion channels
04-20-2007 · EurekAlert!
Yale School of Medicine and University of Crete School of Medicine researchers report in Cell April 20 the first evidence of a molecular mechanism that dynamically alters the strength of higher brain network connections involved in working memory. This discovery may help the development of drug therapies for the cognitive deficits of normal aging, and for cognitive changes in schizophrenia, bipolar disorder, or attention deficit hyperactivity disorder (ADHD).
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- 'Memory molecule' stores memories in neocortex
08-16-2007 · EurekAlert!
The "memory storage molecule" -- PKMzeta -- maintains long-term memories in the neocortex and its presence is continually required in order for the memory to endure, according to a finding by researchers at the Weizmann Institute in Rehovot, Israel and SUNY Downstate Medical Center in Brooklyn, N.Y.
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- Doing nature one better: Expanding the genetic code in living mammalian cells
07-01-2007 · EurekAlert!
Researchers at the Salk Institute for Biological Studies have developed a novel strategy to expand the natural repertoire of 20 amino acids in mammalian cells, including neurons, and successfully inserted tailor-made amino acids into proteins in these cells. In a powerful demonstration of the method's versatility, they then used unnatural amino acids to determine the operating mechanism of the "molecular gates" that regulate the movement of potassium ions in and out of nerve cells.
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- Affymetrix 500K array used to identify memory gene
10-19-2006 · EurekAlert!
Affymetrix Inc., announced today that researchers at the Translational Genomics Research Institute in Phoenix, Ariz., have used the Affymetrix 500K Array to discover a gene -- called Kibra -- associated with memory performance in humans. The team's findings may be used to develop new medicines for memory-based diseases such as Alzheimer's and Parkinson's by providing scientists with a better understanding of how memory works at the molecular level.
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- Einstein researchers discover important clue to the cause of Parkinson's disease
01-02-2008 · EurekAlert!
A glitch in the mechanism by which cells recycle damaged components may trigger Parkinson's disease, according to a study by scientists at the Albert Einstein College of Medicine of Yeshiva University. The research, which appears in the Jan. 2 advance online issue of the Journal of Clinical Investigation, could lead to new strategies for treating Parkinson's and other neurodegenerative diseases.
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- In 'spontaneous' liver cancer, Lombardi researcher sees a cure
06-19-2007 · EurekAlert!
Adding more good news to last week's announcement that Nexavar (sorafenib) may be the first effective treatment for advanced liver cancer, researchers at the Lombardi Comprehensive Cancer Center at Georgetown University have uncovered a new molecular mechanism that may "spontaneously" cause liver cancer.
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