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Biochemistry & Biophysics
Regrowing Blood Vessels With a Potent Molecule PDF Print E-mail
Friday, 05 August 2011 00:34
Ever since the Nobel Prize for nerve growth factor was awarded more than 30 years ago, researchers have been searching for ways to use growth factor clinically.
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New Discoveries On Gene Regulation in the Evolution of the Vertebrate Brain PDF Print E-mail
Wednesday, 03 August 2011 00:35
Alternative splicing of RNA transcripts is a process leading to differential gene expression and the production of different proteins, which is the key to cell differentiation and a foundation of many diseases.
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Bear Bile Chemical Could Help Keep Hearts in Rhythm PDF Print E-mail
Wednesday, 03 August 2011 00:31
A synthesised compound which is also found in bear bile could help prevent disturbances in the heart's normal rhythm, according to research published in the journal Hepatology by a team from Imperial College London.
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Largest-Ever Map of Plant Protein Interactions PDF Print E-mail
Monday, 01 August 2011 16:59
An international team of scientists has described their mapping and early analyses of thousands of protein-to-protein interactions within the cells of Arabidopsis thaliana -- a variety of mustard plant that is to plant biology what the lab mouse is to human biology.
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How the Modular Structure of Proteins Permits Evolution to Move Forward PDF Print E-mail
Friday, 29 July 2011 00:27
Changes in a short protein domain can alter a whole signaling network involved in organ development – this is the key result of a comparative study of the development of the egg laying organ in two species of nematodes. However, the outward appearance of the organ remains the same in both species.
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German E. Coli Code Cracked: Rapid, High-Tech Study of Ongoing Epidemic Creates New Paradigm for Outbreak PDF Print E-mail
Friday, 29 July 2011 00:24
A team led by University of Maryland School of Medicine Institute for Genome Sciences researchers has unraveled the genomic code of the E. coli bacterium that caused the ongoing deadly outbreak in Germany that began in May 2011.
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New Evidence of Age-Related Decline in the Brain's Master Circadian Clock PDF Print E-mail
Wednesday, 27 July 2011 00:25
A new study of the brain's master circadian clock -- known as the suprachiasmatic nucleus, or SCN -- reveals that a key pattern of rhythmic neural activity begins to decline by middle age. The study, whose senior author is UCLA Chancellor Gene Block, may have implications for the large number of older people who have difficulty sleeping and adjusting to time changes.
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Cellular Stress Can Induce Yeast to Promote Prion Formation PDF Print E-mail
Monday, 25 July 2011 01:24
It's a chicken and egg question. Where do the infectious protein particles called prions come from? Essentially clumps of misfolded proteins, prions cause neurodegenerative disorders, such as mad cow/Creutzfeld-Jakob disease, in humans and animals.
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Gardening in the Brain: Cells Called Microglia Prune the Connections Between Neurons, Shaping How the Brain Is Wired PDF Print E-mail
Monday, 25 July 2011 01:19
Gardeners know that some trees require regular pruning: some of their branches have to be cut so that others can grow stronger.
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First Artificial Neural Network Created out of DNA: Molecular Soup Exhibits Brainlike Behavior PDF Print E-mail
Friday, 22 July 2011 01:04
Artificial intelligence has been the inspiration for countless books and movies, as well as the aspiration of countless scientists and engineers. Researchers at the California Institute of Technology (Caltech) have now taken a major step toward creating artificial intelligence -- not in a robot or a silicon chip, but in a test tube.
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The Role of Mirror Neurons in Human Behavior PDF Print E-mail
Friday, 05 August 2011 00:32
We are all familiar with the phrase "monkey see, monkey do" -- but have we actually thought about what it means? Over the last two decades, neuroscience research has been investigating whether this popular saying has a real basis in human behavior.
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Electronic Tongue Identifies Cava Wines PDF Print E-mail
Wednesday, 03 August 2011 00:33
Researchers at Universitat Autònoma de Barcelona (UAB) have developed an electronic tongue which can identify different types of cava wines, thanks to a combination of sensor systems and advanced mathematical procedures. The device automatically produces classifications similar to those of a sommelier and can be useful in detecting defects during the elaboration of these wines.
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Mechanism That Determines Cell Position in the Intestinal Epithelium Identified PDF Print E-mail
Monday, 01 August 2011 17:01
How do cells know where to position themselves and where to accumulate in order to carry out their functions correctly within each organ? Researchers with the Colorectal Cancer Lab at IRB Barcelona have revealed the molecular mechanisms responsible for organizing the intestinal epithelium into distinct compartments.
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Bacterial Resistance to Antibiotics: The More They Resist, the More They Divide PDF Print E-mail
Monday, 01 August 2011 16:57
The number of multiresistant strains of bacteria in hospitals is increasing. Bacteria acquire resistance to antibiotics through mutations in their chromosomes and by incorporating new genes, either from the surrounding environment or from other bacteria.
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Closer Look at Cells: Fluorescence Microscopy Lets Scientists Observe Exchanges Across Cell Membranes PDF Print E-mail
Friday, 29 July 2011 00:26
Many substances and nutrients are exchanged across the cell membrane. Scientists at Ecole Polytechnique Fédérale de Lausanne in Switzerland have developed a method to observe these exchanges, by taking a highly accurate count of the number of proteins found there.

Their research has just been published in the online journal PLoS ONE.

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Retinal Cells Thoughts to Be the Same Are Not, Biologist Says PDF Print E-mail
Wednesday, 27 July 2011 00:28
The old adage "Looks can be deceiving" certainly rings true when it comes to people. But it is also accurate when describing special light-sensing cells in the eye, according to a Johns Hopkins University biologist.
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Pregnancy Hormone Has Unprecedented, Powerful Effect On Spinal Muscular Atrophy PDF Print E-mail
Wednesday, 27 July 2011 00:24
Researchers in Ottawa report new hope for the treatment of infants born with serious genetic disorder.

Over 1000 children in Canada are affected with Spinal Muscular Atrophy (SMA), a genetic disorder that causes muscle weakness and loss of motor control. In its most severe form survival of children with SMA beyond 5 years is rare.

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New Mechanism in the Regulation of Human Genes PDF Print E-mail
Monday, 25 July 2011 01:22
In order to create proteins, the protein-coding gene must be transcribed into RNA and in the so-called splicing process shortened to the correct template. Scientists at the Helmholtz Zentrum München and Munich's Technical University have now discovered how the U2AF protein enables this process.
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Newly Designed Molecule Blocks Chlamydia Bacteria PDF Print E-mail
Friday, 22 July 2011 01:06
Researchers at Duke University Medical Center have discovered a way to block the damaging actions of Chlamydia, the bacteria responsible for the largest number of sexually transmitted infections in the United States.
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Evolution Provides Clue to Blood Clotting PDF Print E-mail
Friday, 22 July 2011 01:00
A simple cut to the skin unleashes a complex cascade of chemistry to stem the flow of blood. Now, scientists at Washington University School of Medicine in St. Louis have used evolutionary clues to reveal how a key clotting protein assembles. The finding sheds new light on common bleeding disorders.
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