Real-time video could improve effect of core stabilization exercise in stroke patients
About 80 percent of stroke survivors experience hemiparesis, which causes weakness or the inability to move one side of the body. Core stabilization exercise to improve postural stability and independent walking in chronic hemiparetic stroke patients could be enhanced by real-time video feedback, report researchers in Restorative Neurology and Neuroscience.
Nearly everyone uses piezoelectrics -- Be nice to know how they work
Piezoelectrics, materials that can change mechanical stress to electricity and back again, are everywhere in modern life. Computer hard drives. Loudspeakers. Medical ultrasound. Sonar. But there are major gaps in our understanding of how they work. Now researchers at NIST and Canada's Simon Fraser University believe they've learned why one of the main classes of these materials, known as relaxors, behaves in distinctly different ways from the rest. The discovery comes in the shape of a butterfly.
Worry on the brain
Previous studies of anxiety in the brain have focused on the amygdala, but a team of researchers led by biologists at Caltech had a hunch that understanding a different brain area, the lateral septum, could provide more clues into how the brain processes anxiety. Their instincts paid off -- the team has found a neural circuit that connects the LS with other brain structures in a manner that directly influences anxiety.
New study examines the effects of catch-and-release fishing on sharks
A new study led by scientists at the University of Miami Abess Center for Ecosystem Science and Policy and the Rosenstiel School of Marine and Atmospheric Science investigated how several species of coastal sharks respond to stress from catch-and-release fishing. The results revealed that each of the shark species responded differently. Hammerhead sharks were by far the most vulnerable to fighting on a fishing line.
Protein serves as a natural boost for immune system fight against tumors
Different molecular adjuvants, such as cytokines, are being studied as a way to increase the efficacy of vaccines. The development of DNA-based vaccines with cytokine adjuvants has emerged as particularly promising for inducing antiviral and anti-tumor, cell-mediated immune responses. The protein IL-33 boosts the immune system of a human papilloma virus animal model of cancer.
Trick that aids viral infection is identified
Scientists have identified a way some viruses protect themselves from the immune system's efforts to stop infections, a finding that may make new approaches to treating viral infections possible.
Scientists discover new genetic forms of neurodegeneration
In a study published in the Jan. 31, 2014, issue of Science, an international team led by scientists at the University of California, San Diego, School of Medicine report doubling the number of known causes for the neurodegenerative disorder known as hereditary spastic paraplegia. The disorder is characterized by progressive stiffness and contraction of the lower limbs and is associated with epilepsy, cognitive impairment, blindness and other neurological features.
Inflammation Following Infection Can Damage Brain's Ability to Form Spatial Memories
Increased inflammation following an infection impairs the brain's ability to form spatial memories -- according to new research. The impairment results from a decrease in glucose metabolism in the brain's memory center, disrupting the neural circuits involved in learning and memory. This is the first study to image the effects of inflammation on the brain. The findings help explain why inflammation impairs memory and could spur the development of new drugs targeting the immune system to treat dementia.
Simple Protein Test Could Predict Survival Rates For Cancer Patients
Scientists from The University of Manchester -- part of the Manchester Cancer Research Centre -- used a simple protein test that could prove more useful in predicting survival chances for patients with head-and-neck cancer compared to existing methods. The team, funded by Cancer Research UK, believe the test could allow doctors to choose more appropriate and tailored treatments.
Rainforests in Far East Shaped by Humans For the Last 11,000 Years
New research from Queen's University Belfast shows that the tropical forests of South East Asia have been shaped by humans for the last 11,000 years.
Where does the pathological misfolding of the prion originate?
Prions form when normal proteins acquire a misfolded conformation and cause incurable neurodegenerative diseases. A team of scientists from SISSA has recently published a study that investigates the early events of the conversion from the normal to the disease-causing form of the prion protein.
Dietary treatment shows potential in a mouse model of Alzheimer's disease
New research findings indicate that an early onset of dietary treatment may slow down the progression of Alzheimer's disease. The study was conducted on mice, and the results will be published in the February issue of Journal of Nutritional Biochemistry. Researchers from the University of Eastern Finland played a key role in the study, which was carried out as part of the LiPiDiDiet project funded by the European Union.
University of Hawaii Scientists May Have Found The Possible Source of Origin of Life on Earth
Researchers from the University of Hawaii, Lawrence Livermore National Laboratory, Lawrence Berkeley National Laboratory, and University of California discovered that interplanetary dust particles could deliver water and organics to the Earth and other terrestrial planets. "It is a thrilling possibility that this influx of dust has acted as a continuous rainfall of little reaction vessels containing both the water and organics needed for the eventual origin of life on Earth and possibly Mars," said Hope Ishii, study co-author.
Scientists Reveal Why Life Got Big in the Earth's Early Oceans
Why did life forms first begin to get larger and what advantage did this increase in size provide? UCLA biologists working with an international team of scientists examined the earliest communities of large multicellular organisms in the fossil record to help answer this question.
About 80 percent of stroke survivors experience hemiparesis, which causes weakness or the inability to move one side of the body. Core stabilization exercise to improve postural stability and independent walking in chronic hemiparetic stroke patients could be enhanced by real-time video feedback, report researchers in Restorative Neurology and Neuroscience.
Nearly everyone uses piezoelectrics -- Be nice to know how they work
Piezoelectrics, materials that can change mechanical stress to electricity and back again, are everywhere in modern life. Computer hard drives. Loudspeakers. Medical ultrasound. Sonar. But there are major gaps in our understanding of how they work. Now researchers at NIST and Canada's Simon Fraser University believe they've learned why one of the main classes of these materials, known as relaxors, behaves in distinctly different ways from the rest. The discovery comes in the shape of a butterfly.
Worry on the brain
Previous studies of anxiety in the brain have focused on the amygdala, but a team of researchers led by biologists at Caltech had a hunch that understanding a different brain area, the lateral septum, could provide more clues into how the brain processes anxiety. Their instincts paid off -- the team has found a neural circuit that connects the LS with other brain structures in a manner that directly influences anxiety.
New study examines the effects of catch-and-release fishing on sharks
A new study led by scientists at the University of Miami Abess Center for Ecosystem Science and Policy and the Rosenstiel School of Marine and Atmospheric Science investigated how several species of coastal sharks respond to stress from catch-and-release fishing. The results revealed that each of the shark species responded differently. Hammerhead sharks were by far the most vulnerable to fighting on a fishing line.
Protein serves as a natural boost for immune system fight against tumors
Different molecular adjuvants, such as cytokines, are being studied as a way to increase the efficacy of vaccines. The development of DNA-based vaccines with cytokine adjuvants has emerged as particularly promising for inducing antiviral and anti-tumor, cell-mediated immune responses. The protein IL-33 boosts the immune system of a human papilloma virus animal model of cancer.
Trick that aids viral infection is identified
Scientists have identified a way some viruses protect themselves from the immune system's efforts to stop infections, a finding that may make new approaches to treating viral infections possible.
Scientists discover new genetic forms of neurodegeneration
In a study published in the Jan. 31, 2014, issue of Science, an international team led by scientists at the University of California, San Diego, School of Medicine report doubling the number of known causes for the neurodegenerative disorder known as hereditary spastic paraplegia. The disorder is characterized by progressive stiffness and contraction of the lower limbs and is associated with epilepsy, cognitive impairment, blindness and other neurological features.
Inflammation Following Infection Can Damage Brain's Ability to Form Spatial Memories
Increased inflammation following an infection impairs the brain's ability to form spatial memories -- according to new research. The impairment results from a decrease in glucose metabolism in the brain's memory center, disrupting the neural circuits involved in learning and memory. This is the first study to image the effects of inflammation on the brain. The findings help explain why inflammation impairs memory and could spur the development of new drugs targeting the immune system to treat dementia.
Simple Protein Test Could Predict Survival Rates For Cancer Patients
Scientists from The University of Manchester -- part of the Manchester Cancer Research Centre -- used a simple protein test that could prove more useful in predicting survival chances for patients with head-and-neck cancer compared to existing methods. The team, funded by Cancer Research UK, believe the test could allow doctors to choose more appropriate and tailored treatments.
Rainforests in Far East Shaped by Humans For the Last 11,000 Years
New research from Queen's University Belfast shows that the tropical forests of South East Asia have been shaped by humans for the last 11,000 years.
Where does the pathological misfolding of the prion originate?
Prions form when normal proteins acquire a misfolded conformation and cause incurable neurodegenerative diseases. A team of scientists from SISSA has recently published a study that investigates the early events of the conversion from the normal to the disease-causing form of the prion protein.
Dietary treatment shows potential in a mouse model of Alzheimer's disease
New research findings indicate that an early onset of dietary treatment may slow down the progression of Alzheimer's disease. The study was conducted on mice, and the results will be published in the February issue of Journal of Nutritional Biochemistry. Researchers from the University of Eastern Finland played a key role in the study, which was carried out as part of the LiPiDiDiet project funded by the European Union.
University of Hawaii Scientists May Have Found The Possible Source of Origin of Life on Earth
Researchers from the University of Hawaii, Lawrence Livermore National Laboratory, Lawrence Berkeley National Laboratory, and University of California discovered that interplanetary dust particles could deliver water and organics to the Earth and other terrestrial planets. "It is a thrilling possibility that this influx of dust has acted as a continuous rainfall of little reaction vessels containing both the water and organics needed for the eventual origin of life on Earth and possibly Mars," said Hope Ishii, study co-author.
Scientists Reveal Why Life Got Big in the Earth's Early Oceans
Why did life forms first begin to get larger and what advantage did this increase in size provide? UCLA biologists working with an international team of scientists examined the earliest communities of large multicellular organisms in the fossil record to help answer this question.
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