Motor in Biological News

Abnormal brain circuits may prevent movement disorder

... the pathway that links the cerebellum to the motor cortex that together determine whether a mutation ... brain abnormality, such as overactivity of motor circuits that make it hard to process sequential ... a characteristic circuit disorder involving a motor system that is revved up and idling at high ...

New stem cell research could reduce number of animal experiments

... experiments used to study conditions such as motor neurone disease. Dr Vasanta Subramanian, from ... in Research (NC3Rs) to study ALS, a form of motor neurone disease in which the nerve cells that ... in major areas of concern such as cancer, motor neurone disease and Alzheimer's disease. "If ...

Researchers design first model motor nerve system that's insulated and organized like the human body

... Florida (UCF) report on the first lab-grown motor nerves that are insulated and organized just like ... successful model nodes of Ranvier formation on motor nerves in a defined serum-free culture system. ... have long recognized the need for lab-grown motor nerve cells that myelinate and form nodes of ...

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

... neurodegenerative disorder affecting the motor neurons in the central nervous system. As motor neurons die, the brain's ability to send signals ... favourable gene variant decreases levels of a motor protein complex in nerves," said Landers. "This ...

Muscular dystrophy diagnosis delayed almost 2.5 years in boys

... blood test for any boy with symptoms and signs of motor delays and abnormalities could speed up the ... families to bring delays or abnormalities in motor skill such as frequent falls, difficulty ... of DMD and to order a CK test if they see any motor delays or abnormalities," Ciafaloni said. "The ...

First neuroimaging study examining motor execution in children with autism reveals new insights

... MD) In the first neuroimaging study to examine motor execution in children with autism, researchers at ... developing peers while performing a simple motor tasktapping their fingers in sequence. The ... a region of the brain important for automating motor tasks. Children with autism also showed less ...

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

... of ALS. The study, entitled Caffeine Reduces motor Performance and Antioxidant Enzyme Capacity in ... condition, ability to move, clinical score, and motor performance were all assessed for the effect of ... Caffeine: increased food intake by 28%, decreased motor performance by 20%, decreased markers of ...

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

... of ALS. The study, entitled Caffeine Reduces motor Performance and Antioxidant Enzyme Capacity in ... condition, ability to move, clinical score, and motor performance were all assessed for the effect of ... Caffeine: increased food intake by 28%, decreased motor performance by 20%, decreased markers of ...

Jefferson researcher awarded Landenberger Foundation grant for ALS research

... ALS, commonly known as Lou Gehrig's disease or motor neuron disease, is a progressive ... nerve cells in the brain and the spinal cord. motor neurons reach from the brain to the spinal cord ... the body. The progressive degeneration of the motor neurons in ALS eventually leads to their death. ...

The secret to chimp strength

... exert more control over our muscles. Our fine motor control prevents great feats of strength, but ... Spinal grey matter contains large numbers of motor neuronsnerves cells that connect to muscle fibers ... More grey matter in humans means more motor neurons, Walker proposes. And having ...

Daily consumption of cannabis predisposes to the appearance of psychosis and schizophrenia

... (no social isolation) and they presented a good motor coordination. In addition, these subjects did not ... "clumsier" attitude when they carry out tasks of motor coordination and complex motor acts) were drug users too. In the light of the ...

UCLA stem cells scientists make electrically active motor neurons from iPS cells

... can be differentiated into electrically active motor neurons, a discovery that may aid in studying and ... neurological disorders. Additionally, the motor neurons derived from the iPS cells appeared to be ... took those cells and differentiated them into motor neurons. Neurons are the responsive cells in ...

Researchers generate functional neurons from somatic cells

... were able to generate functionally mature motor neurons from induced pluripotent stem (iPS) ... most other cell types. A potential new source of motor neurons that does not require human eggs or ... human iPS cells to generate electrically active motor neurons, a key hallmark of functional maturation ...

Rett Syndrome Research Trust advisor makes significant discovery

... age of 18 months. These children lose speech, motor control and functional hand use, and many suffer ... disorder that leads to the death of motor neurons and total paralysis. "In Rett Syndrome, ... glia appear to release a toxic factor that kills motor neurons." Maniatis stated that "studies of the ...

Researchers 'unzip' molecules to measure interactions keeping DNA packed in cells

... RNA polymerase, which the researchers liken to a motor because it moves along the DNA in the process of ... nucleosome, we can begin to understand how the motor proteins can invade the nucleosome," Wang said. ... to the histones or DNA sequences affect how motor proteins access genetic information in cells. ...

Mayo Clinic: Brain disorder suggests common mechanism may underlie many neurodegenerative diseases

... in amyotrophic lateral sclerosis (ALS), a motor neuron disease also known as Lou Gehrig's ... in patients with frontotemporal dementia or with motor neuron disease. What these clumps represent is ... to a mutation previously reported in familial motor neuron disease, they say. The deposits of ...

Viruses, start your engines!

... Cell . "The discovery of how this virus motor functions represents a significant milestone in ... phages--and all of these phages have such a motor for packaging their DNA, their genome, into their ... researchers focused their attention on the small motor that some viruses use to package DNA into their ...

Biologists learn structure, mechanism of powerful 'molecular motor' in virus

... also have proposed a mechanism for how the motor works. Parts of the motor move in sequence like the pistons in a car's ... Professor of Biological Sciences. The motor is needed to insert DNA into the capsid of the T4 ...

Patient-derived induced stem cells retain disease traits

... efficiently drive them to make large numbers of motor neurons, the cells that control muscles and that are affected in SMA. Initially, the motor neurons thrived in both samples. But after about ... started happening," Svendsen says, and the motor neurons from the patient-derived cells began to ...

How mirror neurons allow us to learn and socialize by going through the motions in the head

... clearly play an important role in learning motor tasks involving hand eye coordination, and ... of brain activity consistent with the firing of motor neurons. More recently motor neurons have also been discovered in birds. "This ...

Wii bit of fun at Rice University has serious intent

... absorb information through repetition of the motor pathways. Think of hitting a tennis ball. ... what they term the "cognitive modeling of human motor skill acquisition" will focus on three types of ... that's never been extended to the kind of dense motor activity we want to study," said Byrne. "There's ...

Acoustical Meeting, Nov. 10-14, 2008 in Miami, Florida

... to be associated with activity in the brain's motor centers. This suggests that even the simple, seemingly passive act of listening to music involves motor processes, even the absence of overt movement. ... can be catastrophic, often making basic rhythmic motor activities like walking impossible. However, ...

Wake Forest plays integral role in effort to revolutionize vehicle safety

... form the Consortium include Chrysler LLC, Ford motor Co., General Motors Corp., Honda R&D Co., Hyundai motor Co., Nissan motor Corp. Ltd., PSA Peugeot-Citroen, Renault s.a.s., ...

Swamping bad cells with good in ALS animal models helps sustain breathing

... - reap the most benefit. Forty-seven percent more motor neurons survived there than in untreated model ... research team. "We intentionally targeted the motor neurons in this region," he says, "since we knew ... glutamate - common in ALS - overstimulates the motor neurons that spark muscle movement, causing ....

Long-term study of middle-aged mice shows

... dysfunction, and improved balance and motor coordination. "In this study, we wanted to ... and elderly, such as osteoporosis, cataracts, and motor coordination. For example, in general, femurs ... showed a significant improvement in balance and motor coordination. The resveratrol treated mice also ...

Major progress in technology needed for 25 percent renewable energy use to be affordable

... to produce 25 percent of its electricity and motor vehicle fuel from renewable sources by 2025 ... was imposed that 25 percent of electricity and motor vehicle fuels used in the United States by 2025 ... mostly hydroelectric power, and 1.6 percent of motor vehicle fuel. "Expanding the use of renewable ...

Genetics of ALS progression

... disease involving the degeneration and death of motor neuron cells. ALS is one of the most common ... delineate how mutations in SOD1 lead to motor neuron cell death and the progression of ALS. The ... the endoplasmic reticulum (ER) compartment of motor neuron cells. Beyond a certain threshold, this ER ...

Neural cell transplants may help those with Parkinson's disease

... factor recipients significantly correlated with motor function improvements. Tissue distribution may ... with NTN, but the overall effects of NTN on motor and dopaminergic function suggest potential ... changes were also accompanied by improvements in motor function. Contact: zzhan01@uky.edu ...

Cell-based therapy shows promise in patients with Parkinson's disease

... The primary efficacy measure in this trial is the motor score of the Unified Parkinsons Disease Rating ... clinical improvements were noted in both UPDRS motor scores off medication (44 percent improvement ... progressive brain disorder that affects a persons motor skills which worsen as the disease advances. ...

Motor neuron disease and toxic substances: Possible link?

... ANN ARBOR, Mich. motor neuron disease is a rare, devastating illness in ... step in developing therapies to treat or prevent motor neuron disease. Now a team of University of ... that cause a previously unknown type of inherited motor neuron disease. The discovery paves the way ...

Biophysical Society announces new and notable symposium speakers

... and helical reconstruction of the kinesin-13 motor domain interacting with microtubules. The ... complexes. It shows the kinesin13 motor domain interacting with a curved protofilament ... map revealing the interaction of the kinesin-13 motor domain with a curved protofilament and provides a ...

Mutation may cause inherited neuropathy

... to the brain and spinal cord, as well as motor nerves that relay signals from the brain and ... whereas other regions could play a role in motor neurons. Also, mutations in different regions of ... and why does this affect sensory and not motor neurons" ...

Research unveils new hope for deadly childhood disease

... explains how investigators improved the motor skills of feeble mice that model the disease, ... basic mechanisms. Since deterioration of motor skills is the rule in fact, its one of the ... that plays a hefty role in sensory perception and motor control. For us, their abnormal activity made ...

Like humans, monkey see, monkey plan, monkey do

... perform these tasks without thinking, however the motor planning necessary to grasp an object is quite ... water poured inside. Does this occur because motor planning abilities were crucial in facilitating ... first to provide evidence for more sophisticated motor planning than has previously been attributed to a ...

Vega main engine test in Kourou

... at 12:35 local time (15:35 UTC/GMT). The motor delivered a mean thrust of about 190 tonnes for a ... and served to finalise the validation of the motor behaviour predictions and of the chosen technologies. The motor tested yesterday was representative of the flight ...

Salk scientists identify key nerve navigation pathway

... Studies have recovered a key signal that guides motor neurons the nascent cells that extend from the ... mutation occurs in a gene that normally pilots motor neurons on the correct course employing a newly ... with fluorescent technology. Understanding how motor neurons reach the appropriate targets is ...

Northwestern study looks at sensing, movement and behavior

... are the first to clearly quantify the stopping motor volume (the amount of space it takes for an ... volume and a way to quantify and think about motor volume, said Malcolm MacIver, assistant professor ... and discovered that the two volumes (stopping motor and sensory) are roughly equal, with sensory ...

Alzheimer's disease drug treats traumatic brain injury, report GUMC researchers

... animal models of traumatic brain injury and protected the animals against motor and cognitive deficits. "The goal for both diseases is to prevent ... resulted in a rapid accumulation of beta amyloid, along with cognitive and motor deficits. But DAPT and BACE knock-out mice had brain lesions that were as ...

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

... a sensor placed on a part of a study participant's brain called the motor cortex. During earlier research sessions, a computer was connected to the ... of the first participants in the BrainGate trial, not only about how the motor cortex continues to work after paralyzing illness or injury, but also ...

A new mouse model provides insight into genetic neurological disorders

... to the nervous system diseases, Charcot-Marie-Tooth (CMT) and hereditary motor neuropathy (HMN). In CMT and HMN, neurons that signal and maintain muscle ... with defects in some of this protein have problem with grip strength and motor skills while symptoms are more pronounced in animals that carry the ...