Paralysis in Biological News

Brain-computer interface, developed at Brown, begins new clinical trial

... to detect brain signals and to allow people with paralysis to use those signals to control assistive ... The BrainGate Neural System may allow people with paralysis to control assistive devices. The new clinical ... Hochberg said. People with these types of paralysis have at least two characteristics in common: a ...

Scientists learn why the flu may turn deadly

... as pneumonia. Furthermore, this immunological paralysis can be long-lived, which is important to know ... of these receptors may be responsible for the paralysis of the immune system, leading to secondary ... control group of healthy individuals. The immune paralysis appeared to be specifically a result of influenza ...

West Nile virus' spread through nerve cells linked to serious complication

... triggering a condition known as acute flaccid paralysis that leaves one or more limbs limp and ... above the suture developed both encephalitis and paralysis because the virus was able to follow the sciatic ... human patient's chances of developing flaccid paralysis from West Nile may come down to a roll of the ...

Researchers genetically link Lou Gehrig's disease in humans to dog disease

... disease leads to advancing weakness and muscle atrophy, and culminates in paralysis and death. DM has been recognized for more than 35 years as a ... limbs, whereas people with ALS typically progress to the state of complete paralysis and succumb to respiratory failure. ...

MIT aids creation of neural prosthetic devices

... and Computer Science (EECS). Both trauma and disease can lead to paralysis or amputation, reducing the ability to move or talk despite the capacity ... Neural prosthetic devices represent an engineer's approach to treating paralysis and amputation. Here, electronics are used to monitor the neural signals ...

Little-known protein found to be key player

... has been linked with," Daga said. HSP is a rare genetic condition that affects fewer than one million people worldwide. It's marked by a partial paralysis of the lower extremities due to defects in the body's longest cells, the neurons that run from the spine through the legs. Daga said atlastin's ...

MS study offers theory for why repair of brain's wiring fails

... form of the disease, known as relapsing remitting MS, the symptoms -- which range from tingling and numbness in the limbs to loss of vision and paralysis -- disappear or are greatly reduced, for some times months or years at a time. Ultimately, however, the repair process falters and the disease ...

Reading the brain without poking it

... should allow a high level of control over a prosthetic limb or computer interface," Greger says. "It will enable amputees or people with severe paralysis to interact with their environment using a prosthetic arm or a computer interface that decodes signals from the brain." The study is ...

A new mouse model provides insight into genetic neurological disorders

... By strategically altering a protein-making molecule, a mouse was made to help understand nervous system diseases that impair feeling and cause paralysis of the arms and legs in humans. Scientists have created a mouse to help understand human neuronal diseases that impair a patient's ability to feel ...

UCI awarded $45 million for infectious disease research

... among children. Improved detection and treatment of the botulism toxin. Considered one of the most potent, it can contaminate food and cause paralysis and death with only a tiny dose. Improved understanding of and vaccine development for bacterial and viral diseases carried by animals and ...

UMMS researchers isolate first 'neuroprotective' gene in patients with amyotrophic lateral sclerosis

... As motor neurons die, the brain's ability to send signals to the body's muscles is compromised. This leads to loss of voluntary muscle movement, paralysis and eventually death from respiratory failure. In 1993, a team of researchers led by Dr. Brown discovered the first gene linked to familial ALS, a ...

Caffeine appears to be beneficial in males -- but not females -- with Lou Gehrig's disease

... ORLEANSAmyotrophic lateral sclerosis (ALS) is a fatal disease that damages key neurons in the brain and spinal cord. The disease causes progressive paralysis of voluntary muscles and often death within five years of symptoms. Although ALS (Lou Gehrig's disease) was discovered over a century ago, neither ...

Caffeine appears to be beneficial in males -- but not females -- with Lou Gehrig's disease

... ORLEANSAmyotrophic lateral sclerosis (ALS) is a fatal disease that damages key neurons in the brain and spinal cord. The disease causes progressive paralysis of voluntary muscles and often death within five years of symptoms. Although ALS (Lou Gehrig's disease) was discovered over a century ago, neither ...

Bone deformities linked to inbreeding in Isle Royale wolves

... in the lumbosacral region or lower back, and 33 percent display a specific deformitylumbosacral transitional vertebraewhich can cause full or partial paralysis of the rear legs and tail, as well as back pain. It is a condition also seen in domestic dogs. Other malformations were found in the wolves as well. ...

Cause of mussel poisoning identified

... bivalve shellfish can cause poisoning in humans, with symptoms ranging from diarrhea, nausea, and vomiting to neurotoxicological effects, including paralysis and even death in extreme cases. Although "shellfish poisoning" can also be caused by pathogenic viruses and bacteria, many cases are due to ...

Statins may treat blood vessel disorder that can lead to fatal strokes

... Utah School of Medicine researchers have shown that a blood vessel disorder leading to unpredictable, sometimes fatal, hemorrhagic strokes, seizures, paralysis or other problems is treatable with the same statin drugs that millions of people take to control high cholesterol. If the results of a study in ...

Galloping and breathing at high speed

... per hour, fully open. The researchers are part of a team looking at application for the pacemaker for humans for individuals who have laryngeal paralysis or undergo laryngeal transplant. The disorder can be a complication of thyroid surgery in people who have had thyroidectomies, usually to remove ...

Gene is likely cause of stroke-inducing vascular malformations

... risk of "waiting for a rupture," the UCSF researchers say. "Our study offers hope for future treatments because even the effects of stroke such as paralysis and ataxia, or loss of muscle coordination, were reversed once we turned off Notch," said Patrick A. Murphy, lead author on the paper and a graduate ...

Bee disease a mystery

... "Experiments and field observations have shown that V. destructor is able to transmit several different unrelated honey bee viruses, like acute bee paralysis virus and Kashmir bee virus as well as deformed wing virus," said Professor Teresa Santillan-Galicia from Rothamsted Research. "But we still don't ...

Brown to host conference on advances in neurotechnology

... and engineering and director of the Brown Institute for Brain Science. "Devices that connect to the nervous system are already helping those with paralysis to move again, those with blindness to see and those with deafness to hear." This year's format will pair patients and specialists in the ...

Researchers develop new ultrasensitive assay to detect most poisonous substance known

... ). Botulinum neurotoxin is produced by the bacterium Clostridium botulinum. When ingested, the toxin disables nerve function and can result in paralysis and even death. Botulism normally results when a person eats food tainted with C. botulinum bacteria or if a wound is infected by the bacterium. ...

Scientists determine drug target for the most potent botulinum neurotoxin

... out facial wrinkles can also be used as a dreaded biological weapon. When ingested or inhaled, less than a billionth of an ounce can cause muscle paralysis and eventual death. Although experimental vaccines administered prior to exposure can inhibit the destructive action of this neurotoxin the most ...

Researchers discover critical detail of cellular defense against genetic mistakes

... team corroborated the importance of eIF3 as a target for translational repression during NMD using an experiment with an mRNA sequence from cricket paralysis virus. Where human cells use eIF3 to initiate translation, the cricket virus mRNA sequence does not. Researchers found that the non-eIF3 translation ...

Promising new nanotechnology for spinal cord injury

... CHICAGO -- A spinal cord injury often leads to permanent paralysis and loss of sensation below the site of the injury because the damaged nerve fibers can't regenerate. The nerve fibers or axons have the capacity to ...

UC Irvine scientists find new way to sort stem cells

... information. Neurons that die as a result of injury or disease do not regenerate, which is why people with neuronal loss suffer problems such as paralysis and memory loss. Scientists believe that stem cell transplantations might be able to restore part of the lost function. With the goal of ...

Looking through the eyes of a mouse, scientists monitor circulating cells in its bloodstream

... in the bloodstream. Multiple myeloma cells can invade bones throughout the body, eroding and weakening them and leading to fractures and sometimes paralysis because of compression of the spinal cord. Eroding the bones can also drastically increase the calcium levels in the blood, sometimes causing kidney ...

Out-of-body experiences may be caused by arousal system disturbances in brain

... between wakefulness and sleep. Sleep paralysis is a common form of REM intrusion, which can cause a condition of temporary paralysis along with visual or auditory hallucinations ... of all people have probably experienced sleep paralysis sometime during their life. During a ...

Computer with brain connections changing quality of life of paralyzed

... emotion and quality of life in sufferers of paralysis from Amyotrophic Lateral Sclerosis (ALS, also ... new questions about the quality of life amongst paralysis sufferers. Patients surveyed were found to be ... doctors believe that the quality of life in total paralysis is extremely low and continuation of life is a ...

Cyberkinetics, Case to develop system to help restore extremity function

... and hand function to individuals with extensive paralysis due to high cervical spinal cord injury (SCI). ... an operating system that enables people with paralysis to move their own limbs simply by thinking," said ... feasibility of the BrainGate in those with severe paralysis resulting from spinal cord injury (SCI), muscular ...

Scientists develop a way to make the deadliest toxin known even more toxic

... neurotoxins are the most lethal poisons known. They produce progressive paralysis by binding to nerves at the point where they connect to muscles, and ... those that regulate breathing. Blocking the nerve signal results in paralysis and, unless treated quickly, death. A lethal dose is small--eight tenths ...

3D Atlas Will Help Navigate The Spinal Cord

... Research Institute have been awarded ~$200,000 by the Christopher Reeve paralysis Foundation to prepare a three-dimensional (3D) atlas of the rat spinal ... including humans. A new project supported by the Christopher Reeve paralysis Foundation is designed to redress this shortcoming. The results will ...

Purdue scientists may have found key to halting spinal cord damage

... of spinal injury, acrolein's hazard may be the key in causing debilitating paralysis that sets in after the initial trauma. "When a spinal cord ruptures, ... to treating spinal cord injury under development at Purdue's Center for paralysis Research. "My colleague Richard Borgens and I have already had our ...

Anthrax paralyzes immune cells with lethal toxin, UF research shows

... victims of inhalational anthrax often suffer hemorrhages in their lungs and lymph nodes. "No one understands why, and it could very well be due to paralysis of platelets." During and Southwick are currently looking for additional proteins targeted by anthrax. They hope to develop a diagnostic blood test ...

Arsenic in chicken feed may pose health risks to humans, C&EN reports

... forms of inorganic arsenic. Arsenic has been linked to bladder, lung, skin, kidney and colon cancer, while low-level exposures can lead to partial paralysis and diabetes, the article notes. Use of roxarsone has become a topic of increasing controversy. A growing number of food suppliers have stopped ...

Inhibiting blood to save the brain

... Mac-1 had fewer inflammatory lesions and less severe MS symptoms. Blocking the interaction between Mac-1 and fibrinogen after the first episode of paralysis using the fibrin peptide prevented subsequent relapses. It also prevented further microglia activation and damage to myelin in the diseased mice, ...

Variations in detoxifying genes linked to Lou Gehrig's disease

... neurodegenerative disorder of the motor neurons that results in muscle weakness, difficulty speaking, swallowing and breathing and eventual total paralysis and death generally within five years. In 1993 Siddique and collaborators determined that mutations in a gene known as SOD1 account for 20 ...

Brain-computer link lets paralyzed patients convert thoughts into actions

... A multi-institutional team of researchers has found that people with long-standing, severe paralysis can generate signals in the area of the brain responsible for voluntary movement and these signals can be detected, recorded, routed out of the brain ...

Neural stem cell gene plays crucial role in eye development

... assistants in the UNC Neurobiology Curriculum. This work is supported by grants from the National Institutes of Health and the Christopher Reeves paralysis Foundation ...

Scientists reverse evolution

... and put it into Hoxa1, (which allows mice to breathe and survive after birth). And they disabled the remainder of Hoxb1. Mice suffered facial paralysis when they were born with disabled Hoxb1 and without a portion of that gene inserted into the Hoxa1 gene. In response to a puff of air in the face, ...