To look for signs of neurogenesis, the researchers hunted for specific proteins produced
by neurons at particular stages of development.
Not exact matches
A study conducted
by researchers
at the University of London has revealed some interesting information about
neurons in the male brain.
They say that drinking coke really ignites the creative functions in their brain
by getting their
neurons firing
at 100 %.
We have mirror
neurons in our brain that help us to learn — when we learn to tie our shoelaces
by watching someone else, mirror
neurons are
at work.
We also have mirror
neurons in our brain that help us to learn — when we learn to tie our shoelaces
by watching someone else, that is those mirror
neurons at work.
Chen Gu and colleagues
at The Ohio State University discovered that they could induce the formation of axonal varicosities in hippocampal
neurons grown in the lab
by «puffing» them with bursts of liquid from a small pipette.
Scientists
at Southern Methodist University, led
by Professor and Chair of Biological Sciences Santosh D'Mello, have used RNA - Seq to conduct transcriptome profiling of gene expression changes in dying
neurons.
By projecting angled lines onto the surface of the animal's retina, they demonstrated that each
neuron in this thin sheet
at the back of the head has a distinct function.
Linda Watkins, a pain expert
at the University of Colorado
at Boulder, thinks this mechanism might be carried out
by glial cells, poorly understood sister cells of
neurons.
Oliver Brüstle, director of the Institute of Reconstructive Neurobiology
at the University of Bonn, Germany, who had a patent on a method for generating
neurons from human embryonic stem cells rejected
by the court, called the ruling «the worst possible outcome», and «a disaster for Europe».
Researchers
at Geron, meanwhile, had successfully derived
neurons from human embryonic stem cells and were pursuing research that would eventually look to repair the damage caused
by spinal - cord injuries, a possible use for embryonic stem cells that was much touted
at the time.
At the center of the room sat a one - ton, six - foot - tall machine resembling a huge hair dryer that contained scanners capable of recording the minute magnetic fields produced
by the firing of
neurons.
Neuroscientist Henry Markram of the Brain Mind Institute
at the École Polytechnique Fédérale in Lausanne, Switzerland, has spent the last 15 years painstakingly mapping cells from the living brains of rats so that he can create a
neuron -
by -
neuron simulation of the brain.
The Northwestern team, led
by physiologist James Surmeier, reports in the online edition of Nature that the dopamine
neurons, which are targeted
by Parkinson's, are constantly
at work — like a pacemaker — sending the striatum nonstop, electrical pulses.
Second, if a
neuron is activated
by an edge of a particular orientation and position, then the orientation 90 degrees from that will be suppressive
at the same location, a combination termed «cross-orientation suppression.»
This protein is expressed
at relatively high levels in proliferating precursors and non-neuronal cells but down - regulated in developing
neurons by a brain - enriched regulatory RNA called miR - 9.
A recent study published in the December 2008 issue of the journal
Neuron,
by Joshua Buckholtz and his colleagues
at Vanderbilt University tackles exactly this question.
Separate work
by Colm Cunningham and his colleagues
at Trinity College Dublin in Ireland has shown that interleukin - 1 beta is a likely
neuron - killing culprit, along with other inflammatory molecules called prostaglandins (Journal of Neuroscience, doi.org/sdr).
In contrast, BAM aims to generate the traffic report
by getting down to the neuronal level, mapping which
neurons fire
at which time and how they are synchronised.
In l986 while running a lab
at Georgia Tech, Kennedy learned that Canadian scientists were spurring
neuron growth in rats» brains
by adding bits of sciatic nerve.
«
By learning how tau spreads, we may be able to stop it from jumping from
neuron to
neuron,» said Karen Duff, PhD, professor in the department of pathology and cell biology (in the Taub Institute for Research on Alzheimer's Disease and the Aging Brain) and professor of psychiatry (
at New York State Psychiatric Institute.)
Research done
by Dr. Christopher Pack, from McGill University, who looked
at such waves occurring in a region of the visual cortex of the brain, suggests these oscillations could have a role in resetting the sensitivity of
neurons after eye movements.
Investigators
at Duke University, led
by Erica Davis, PhD, a co-senior author of the report, blocked the gene's expression in zebrafish, which resulted in abnormal facial cartilage, smaller eyes and structural abnormalities of
neurons involved in the development of reproductive organs.
A recent study
at Stanford University in Palo Alto, California, led
by Brian Knutson and published in
Neuron, monitored subjects» brain activity as they shopped online and bought a series of products worth up to $ 80.
These samples were collected primarily
by Gianluigi Zanusso, M.D., Ph.D., and colleagues
at the University of Verona in Italy, who developed the technique of brushing the inside of the nose to collect olfactory
neurons connected to the brain.
He believes that information,
at its core, is held in the signals zipped off
by neurons.
Since
neurons can be depolarized
by calcium and other positively charged ions, such as those the TRPV1 channel controls, we hope that this system may be effective
at regulating neural activity.»
A team of researchers
at the University of Buffalo discovered a peptide (a protein building block), GSMtx - 4, in the tarantula's venom that prevents fibrillation
by blocking the activity of certain gate - like structures of
neurons in the heart.
Indeed,
by examining brain tissue and slices from the cocaine - addicted rats
at various stages of withdrawal and craving, Wolf and her colleagues discovered that the incubation period and the subsequent spike in craving appeared to correlate with the appearance of atypical AMPA receptors on the surface of
neurons in the NAc, which could help explain cocaine craving.
A postmortem analysis of human brain tissue, for example, conducted
by Witelson and her colleagues
at the Michael G. DeGroote School of Medicine
at McMaster, revealed that women's
neurons were 11 percent denser than men's in the prefrontal cortex and in a region of the temporal cortex that is involved with language processing, comprehension, and memory.
The study, conducted
by two teams
at Duke University and appearing online Dec. 1 in the journal
Neuron, is the first to connect autism to one of the most well - studied pain molecules, called TRPV1 (transient receptor potential ion channel subtype V1), which is a receptor for the main spicy component of chili peppers.
In this latest study, the investigators collaborated with a team
at the University of Michigan led
by co-senior author Brian Pierchala to further learn about the role of p75 in the development of sensory
neurons.
Imaging scans show the brain shifts its activity (measured
by blood flow and oxygenation, indicating which
neurons are heavily used
at a specific time) from the prefrontal executive control regions to subcortical reactive emotion areas.
Nerve cells in the brain, or
neurons, are known to communicate among themselves
by transmitting electrical signals, aided
by chemical signaling
at the synapses connecting the
neurons.
The results obtained
by Afsaneh Gaillard's team and that Pierre Vanderhaeghen
at the Institute of Interdisciplinary Research in Human and Molecular Biology show, for the first time, using mice, that pluripotent stem cells differentiated into cortical
neurons make it possible to reestablish damaged adult cortical circuits, both neuroanatomically and functionally.
Chronic pain can be viewed as a learned memory: In the way that repetition of a piano piece enables you to learn it
by facilitating transmission of the appropriate signals through your
neurons, pain that persists can become chronic because your
neurons become more efficient
at transmitting pain signals.
A team headed
by Hanns Ulrich Zeilhofer from the Institute of Pharmacology and Toxicology
at the University of Zurich did now reveal which inhibitory
neurons in the spinal cord are responsible for this control function: As the study published in the science journal
Neuron shows, the control cells are located in the spinal dorsal horn and use the amino acid glycine as an inhibitory messenger.
In a recent study published in Angewandte Chemie International Edition, Associate Professor of Chemistry Wei Min's team developed a new glucose analogue that can mimic the natural glucose, and imaged its uptake as energy source
by living cancer cells,
neurons and tissues
at the single cell level.
This week in the JCI, a study conducted
by David Engblom's lab
at Linköping University in Sweden has demonstrated that the aversive effects of inflammatory pain are driven
by prostaglandin signaling specifically on serotonin - producing
neurons in the brainstem.
Photo of a living Brainbow zebrafish, taken
by Zachary Tobias (a research technician in Weissman - Unni's lab), showing a brightly labeled
neuron with its cell body (white)
at bottom.
Now, a preclinical study, from the lab of Olivier Berton, PhD, an assistant professor in the department of Psychiatry, in collaboration with Sheryl Beck, PhD, a professor in the department of Anesthesiology
at Children's Hospital of Philadelphia, found that bullying and other social stresses triggered symptoms of depression in mice
by activating GABA
neurons, in a never - before - seen direct relationship between social stimuli and this neural circuitry.
«We thought it might be important to look instead
at the toxic environment outside the cell, where blood proteins accumulate» said Akassoglou, senior investigator
at Gladstone, professor of neurology
at UC San Francisco (UCSF), and senior author of a study published
by the scientific journal
Neuron.
A team of brain injury experts led
by researchers
at the VA Puget Sound Health Care System and the University of Washington have found that the more blasts veterans are exposed to, the more they show chronic changes in
neuron activity in specific brain regions.
A GABA -
AT — blocking drug called vigabatrin is already on the market to treat epilepsy
by calming overactive
neurons.
Kenyon cells make up only about 4 % of the entire fly brain and are extremely sensitive to inputs triggered
by odors, in which only two connections between
neurons, called synapses, separate them from the receptor cells
at the «front end» of the olfactory system.
Research conducted
by Dr Bill Dew
at the University of Lethbridge in Canada looked for the first time
at the effect of the metal contaminants nickel and copper on specific fish olfactory sensory
neurons, and how these affect the fish's ability to detect and swim away from an odour released
by other fish of the same species (conspecifics) when a predator attack takes place.
«I can predict whether you'll remember, and how much confidence you will have in that memory, just
by looking
at whether a
neuron fires in sync with the theta component of the EEG,» Rutishauser says.
Researchers
at Osaka University found that B immune cells reside in the brains of developing mice, and play a key role in the myelination of
neurons by oligodendrocytes.
However, because the treatments affected the cultures globally and did not precisely target synapses, the researchers next applied substances that increase the firing of glutamate
neurons by acting solely
at synaptic sites.
These findings were confirmed
by two - photon imaging of
neurons in the brains of living mice
by the lab of collaborator Yi Zuo, PhD, a neuroscientist
at UC Santa Cruz, as well as electrophysiological recordings from
neurons in brain slices
by the lab of collaborator Vikaas Sohal, MD, PhD, an associate professor of psychiatry
at UCSF.