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Neurons in Medical News

Famous Names Get Single Neurons Fired Up

... team of researchers has found that single neurons in the brain's hippocampus activate when people ... fascinating questions in neuroscience: How do neurons in the brain manage to abstract and disregard ... single neuron, the researchers found. Single neurons even fired when the subjects heard or saw the ...

St. Jude Scientists Discover a New Mechanism Controlling Neuronal Migration

... Understanding how neurons migrate to their proper place during brain ... up the brain's wiring. During brain development, neurons are born in germinal zones at some distance from ... "Glial cells produce very thin fibers, and neurons in essence walk a tightrope along these fibers in ...

Greater Language Skills in 20s May Guard Against Alzheimer's

... edition of Neurology . "We noticed that the neurons in this group of people are larger and we also ... in Baltimore. It's possible that the larger neurons compensated for the brain plaques and tangles ... study, this one in men, also found larger neurons in individuals who had plaques and tangles but no ...

CU-Boulder study shows brain's immune system may cause chronic seizures

... For decades researchers have focused on neurons as the culprits in seizures, which can be ... also profoundly increase the excitability of the neurons that they are near. "In our new study, we ... moving in and secreting these cytokines cause the neurons in the area to become excitable enough to cause ...

Odd Behaviors on Ambien Linked to Brain Circuitry

... they're deprived of activity. "Brain cells or neurons are highly reactive to incoming activity ... "When brain activity is silenced, many neurons automatically react to this change. We see this in our study, which suggests that inhibitory neurons responsible for stopping neural activity are ...

Popular Alzheimer's theory may be false trail

... population of brain cells known as glial cells. neurons are the workhorse cells of the brain, enabling ... support. Glial cells, which outnumber neurons 10-to-1, are at the heart of a popular ... When researchers examined these cells alongside neurons under a high-resolution microscope, they found ...

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Neurons in Medical Technology

Neuroscience Researcher Has Positive Message for International Alzheimer's Awareness Week, July 6 - 12: 'Even Though World Economy is Declining, Alzheimer's Research is Advancing'

... unregulated, excessive calcium levels within the neurons and the occurrence of Alzheimer's disease. ... now know that it is 'calcium overload' within the neurons that causes those neurons to stop functioning and brings about cognitive ...

Astrocytes Help Separate Man From Mouse

... simply to support flashier brain cells known as neurons that send electrical signals, are bigger, faster, ... moving on to their flashy counterparts, the neurons that fire the electrical signals crucial to ... everything we do. It's the electrical activity of neurons that constitutes what most scientists have ...

Neuralstem's Human Stem Cells Integrate into Nervous System of Rats with Animal Model of ALS

... Make Synaptic Contact with Host Motor neurons ROCKVILLE, Md., March 9 ... US: CUR) made synaptic contacts with the motor neurons of rats with ALS-like symptoms, a paper published ... is the first demonstration of transplanted human neurons synapsing, or making mature structural ...

Groundbreaking Paper Publishes Long Term Results of a Successful Phase I Clinical Trial Using Autologous Neural Stem Cells to Treat Parkinson's Disease

... ultimately differentiate them to produce mature neurons before they are reintroduced into the brain's ... neurogenesis to regenerate millions of mature neurons characterized before transplantation. These ... the combination of dopaminergic and GABA-ergic neurons that produced the long- lasting motor ....

Insmed Provides Update on IPLEX(TM) Expanded Access Program in Italy for the Treatment of Amyotrophic Lateral Sclerosis

... nerve cells in the brain and spinal cord. Motor neurons reach from the brain to the spinal cord and from ... body. The progressive degeneration of the motor neurons in ALS eventually leads to their death. When the motor neurons die, the ability of the brain to initiate ...

Five Clinical Studies to Receive $2.5 Million Under Foundation's 2007 Clinical Discovery Program

... Dr. Albin will investigate the role of serotonin neurons in PD-related sleep-disordered breathing. He will visualize serotonin neurons using an advanced medical imaging technique, then ... in London hypothesizes that serotonin neurons are responsible for levodopa-induced dyskinesias. ...

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Neurons in Medical Products

PYY, Total ELISA Test

Description:... and act on the arcuate nucleus of the hypothalamus, stimulating neurons that create a sensation of satiety and inhibiting neurons that stimulate feeding behavior (2). In a recent study (4), an infusion of ...
Company:Diagnostic Systems Laboratories, Inc.
Neurons in Medical Definition

Depolarization-induced suppression of inhibition

... the responses of large pyramidal projection neurons to GABA , the main inhibitory neurotransmitter ... of primary neurons, such as the CA1 pyramidal neurons of the hippocampus or the Purkinje cells of the ... current. In their experiments with projection neurons in the hippocampus and cerebellum, both groups ...

Phantom pain

... , which send it to nociceptive (pain-sensing) neurons inside the spinal cord, which finally send the information to the brain . If the nociceptive neurons cease to receive information to pass on, they ... nerve severance and also detaches the nociceptive neurons from the rest of the spinal cord, phantom pain ...

Neuropsychiatry

... emission tomography case report. Journal of Child and Adolescent Psychopharmacology, 12, 259-263. Green, M.F. (2001) Schizophrenia Revealed: From neurons to Social Interactions. New York: W.W. Norton. Kaye, W.H., Bailer, U.F., Frank, G.K., Wagner, A., & Henry, S.E. (2005). Brain imaging of ...
Neurons in Biological News

UT San Antonio researcher wins $917,000 from NIH to study memory

... hippocampus makes six to nine thousand new neurons in the dentate gyrus, the portion of the brain ... or autobiographical, memory. But how do those neurons store information? And, more importantly, how do ... We believe the continual generation of new neurons in both rats and humans serve as a temporal ...

UC Davis researchers visualize formation of a new synapse

... to the construction of a working synapse, locking neurons together like "molecular Velcro," a study lead by ... images that are the first to show two neurons coming together using neuroligin to construct a ... To view the process, the researchers cultured neurons taken from newly born rats and flourescently ...

Huntington's disease deciphered

... enzyme, called JNK3, which is expressed only in neurons and, further, to show what effect activation of ... that is affected is the nervous system. Why are neurons being affected? Brady, Gerardo Morfini, ... cells. In addition to the challenge of distance, neurons are very complex cells with many specialized ...

Caltech scientists reveal how neuronal activity is timed in brain's memory-making circuits

... across the hippocampus, timing the firing of neurons like a sort of central pacemaker. A new study ... memories of experiences. In the rat, hippocampal neurons also function as "place cells," only firing when ... environment. They watched howand whenthe rat's neurons fired relative to the rat's position and to the ...

Capturing the birth of a synapse

... identified the locking mechanism that allows some neurons to form synapses to pass along essential ... captured with fluorescent imaging of excitatory neurons harvested from rat pups shortly after birth and ... neuroligin proteins on the membranes of receptor neurons as "molecular Velcro." The research team of ...

Investigating the development of mechanosensitivity

... By measuring electrical impulses in the sensory neurons of mice, the neurobiologists and pain researchers ... At the same time they were able to show that neurons develop their sensitivity to touch and pain ... ganglia between the intervertebral discs. The neurons receive the stimulus and convert it into ...

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Neurons in Biological Technology

Ceregene Receives Additional Grant From Michael J. Fox Foundation to Expand Long-Term Testing of CERE-120 Patients

... have been shown to benefit the midbrain dopamine neurons that degenerate in Parkinson's disease. Degeneration of these neurons is responsible for the major motor impairments of ... the putamen. The cell bodies for these same neurons are located in a different area of the brain, ...

Oprah, Luke Skywalker and Maradona -- new study investigates how our brains respond to them

... fascinating questions in neuroscience: how do neurons in the brain manage to abstract and disregard ... spoken and written names to show that single neurons in the human hippocampus and surrounding areas ... that such degree of abstraction in the sense that neurons fired the same to different pictures or the name ...

Novel drug discovery tool could identify promising new therapies for Parkinson's disease

... had a protective effect on the yeast cells and on neurons in an animal model of Parkinson's disease. ... for motor control and coordination. As those neurons degenerate, the disease leads to progressive ... stiffened muscles, and impaired balance. The neurons normally produce a chemical called dopamine. A ...

Scientists restore movement to paralyzed limbs through artificial brain-muscle connections

... interfaces to record signals from multiple neurons and convert those signals to control a robotic ... were designed to decode the activity of neurons known to be associated with movement of specific ... finding greatly expands the potential number of neurons that could control signals for brain-computer ...

Rutgers neuroscience may hold key to hearing loss remedy

... nerves to which they attach the spiral ganglion neurons that connect to the brain are the pianos ... have revealed that spiral ganglion auditory neurons possess a rich complexity that is only now ... proportions transforms the spiral ganglion neurons into either fast-firing transmitters to carry ...

JCI table of contents: Dec. 3, 2007

... cause cognitive impairment). Hypocretin/orexin neurons are brain cells that support wakefulness, but how ... Haven, have identified changes involving these neurons that occur in the brain of mice during prolonged sleep loss. Communication between neurons occurs across synapses, the junctions between ...

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Neurons in Biological Products

Mouse Dopaminergic Neuron Differentiation Kit, 2nd Generation from R&D Systems

Description:... the retrorubral field. These dopaminergic (DA) neurons give rise to extensive forebrain dopamine ... The basic organization of midbrain dopamine neurons and their projections is consistent across most ... neurons, in part because the degeneration of DA neurons in the substantia nigra results in Parkinsons ...
Company:R&D Systems

Human Neural Stem Cell Functional Identification Kit from R&D Systems

Description:... beta-III Tubulin, and mouse anti-Oligodendrocyte Marker O4 are also included to identify the phenotypes of neural precursors, astrocytes, neurons and ....
Company:R&D Systems

Mouse/Rat Neural Stem Cell Functional Identification Kit from R&D Systems

Description:... to further maturation along specific lineages. Neural stem cells (NSCs) are capable of differentiating into multiple cell types including astrocytes, neurons and oligodendrocytes. During the isolation and expansion of NSCs, the status of stem cells is best evaluated functionally by measuring their ability ...
Company:R&D Systems

Rabbit Anti-Kv4.2 Polyclonal Antibody, Unconjugated from GeneTex

Description:... with immunogen) and Ferret (100% identity with immunogen) due to sequence homology. Not yet tested in other species. Background Information In neurons voltage-dependent potassium channels are key determinants of the resting membrane potential and of membrane excitability, conditioning the frequency, ...
Company:GeneTex

Neural Stem Cell Expansion Kit - Monolayer from R&D Systems

Description:... with the antibodies Tuj1, O4 and anti-GFAP, respectively. Neural stem cells (NSCs), with the potential to self-renew and to differentiate into neurons and glial cells, have been isolated from different regions of the developing and adult brain (1 - 6). NSCs can be grown in vitro , in the presence ...
Company:R&D Systems

Neural Stem Cell Expansion Kit - Neurosphere from R&D Systems

Description:... with the antibodies Tuj1, O4 and anti-GFAP, respectively. Neural stem cells (NSCs), with the potential to self-renew and to differentiate into neurons and glial cells, have been isolated from different regions of the developing and adult brain (1 - 6). NSCs can be grown in vitro , in the presence ...
Company:R&D Systems

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Neurons in Biological Definition

Axon

... In vertebrates generally, the axons of many neurons are sheathed in myelin , which is formed by ... cells : Schwann cells ensheathing peripheral neurons and oligodendrocytes insulating those of the ... called saltation . The axons of some neurons branch to form axon collaterals , along which the ...

Brain

... made up of two types of cells : glia and neurons . Glia function primarily to support and protect the neurons. The neurons carry information in the form of electrical ... action potentials . They communicate with other neurons in the brain and throughout the body by sending ...

Cell growth

... being investigated. The size of post-mitotic neurons depends on the size of the cell body, axon and ... the motoneuron. Invertebrates often have giant neurons and axons that provide special functions such as ... use myelin to accomplish this, so most human neurons are releatively small. h Other experimental ...

Long-term potentiation

... Scientists generally believed that the number of neurons in the adult brain (roughly 10 11 ) did not ... by strengthening the connections between existing neurons to improve the effectiveness of their ... sound and send it to the brain where it activates neurons that control the man's muscles. But as the ...

Nervous system

... consists basically of two types of cells : neurons are the primary cells of the nervous system ... fibers by way of action potentials Between neurons by way of neurotransmitter diffusion across ... cord . The PNS consists of all other nerves and neurons that do not lie within the CNS. The large ...

Neuron

... neurons (also spelled neurones or called nerve cells ... 6 Histology and internal structure 7 neurons of the brain 8 See also 9 External ... efferent neurons, and interneurons. Afferent neurons convey information from tissues and organs into ...

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Neurons in Biological Dictionary

Sensory neurons

... Sensory neurons are neurons that are activated by sensory input, and send ... information to the brain or spinal cord. Unlike neurons of the central nervous system, whose inputs come ...

Reflex arc

... reflex action. In higher animals, most sensory neurons do not pass directly into the brain, but ... ... When a reflex arc consists of only two neurons (one sensory neuron and one motor ... ... 5. Reflex arc - Be able to label the kinds of neurons and their parts, in the ... The correct order ...

Neuroglia

... ... There are two main types of brain cells: neurons and neuroglia . ... neuroglia ... ... term ... means " ... Neuroglia exceed the number of neurons in the nervous system by ... While neurons and neuroglia lie in close apposition to one ......

Neuron

... information by electrochemical signalling. neurons are the core components of the brain, ... ... simulation environment for modeling individual neurons and networks of neurons. It was primarily ... about neuron .com ... In vertebrate animals, neurons are the core structural components of the ... ( ...

Motor neuron

... neuron (or motoneuron) classically applies to neurons located in the central nervous system (or CNS) ... control muscles. Motor ... Alpha motor neurons are derived from the basal plate (basal lamina) ... most of its axon omitted. ... Most motor neurons are stimulated by interneurons, although some ...

Interneuron

... is a multipolar neuron which connects afferent neurons and efferent neurons in neural pathways. Like motor neurons, ... system that acts as a link between sensory neurons and ...

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Other Contents
(Date:4/18/2014)... that turns 160 years of neuroanatomy on its head. ... be essential for the fast transmission of impulses along ... as thought, according to a new work lead by ... (HSCI) and the University,s Department of Stem Cell and ... Harvard,s Department of Molecular and Cellular Biology. , "Myelin ...
(Date:4/18/2014)... University psychologists have made a brain-related discovery that ... disorders. , This discovery opens up the possibility ... suppress a specific brain activity that the researchers ... The Journal of Neuroscience has just ... McDonald, an associate professor of psychology and his ...
(Date:4/17/2014)... The presence of chronic inflammation in benign ... prostate cancer, and this association was found even ... according to a study published in Cancer ... the American Association for Cancer Research. , An ... participants of the placebo arm of the Prostate ...
(Date:4/17/2014)... popular vaccine brands for children may not be the ... cost factors when choosing vaccines, driving the market toward ... a new study by University of Illinois researchers. , ... by numerous factors," says Sheldon H. Jacobson, a co-author ... and of mathematics at the U. of I. "In ...
(Date:4/17/2014)... AURORA, Colo. (April 17, 2014) Two recent ... Medicine researcher and colleagues may help scientists develop ... virus, Yellow fever, Japanese encephalitis and other disease-causing ... of biochemistry and molecular genetics at the School ... the Howard Hughes Medical Institute, and colleagues recently ...
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(Date:4/18/2014)... decades, scientists have used techniques like X-ray crystallography and ... into the atomic structure of molecules, but such efforts ... demand large quantities of a specific molecule and often ... making it all but impossible to peer into the ... those problems may soon be a thing of the ...
(Date:4/18/2014)... researchers have published soil organic carbon sequestration rates. ... organic carbon can be sequestered by simply switching from ... there is a growing body of research with evidence ... cover crops, small grains, and forages may not be ... , "Some studies have shown that both moldboard and ...
(Date:4/18/2014)... NC Seeds that sprout as soon as they,re planted ... need to be more careful. In the wild, a plant ... day would risk disaster. More than just an insurance policy ... that seed dormancy has long-term advantages too: Plants whose ... rise to more species, finds in a team of researchers ...
Breaking Biology News(10 mins):MRI, on a molecular scale 2MRI, on a molecular scale 3Researchers question published no-till soil organic carbon sequestration rates 2Researchers question published no-till soil organic carbon sequestration rates 3Researchers question published no-till soil organic carbon sequestration rates 4Plants with dormant seeds give rise to more species 2
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