Further study is needed to translate these findings to humans as the researchers still have to determine if the same group of
brain cells they targeted in rats also influences alcohol addiction in humans.
The brain cells targeted are called «glial» cells - not «neurons», which are the brain cells that send messages to each other.
Not exact matches
Unlike some of the promising treatments that have failed in 2017 that deal with the so - called «amyloid hypothesis» (the treatments
target amyloid beta deposits in the
brain that accumulate in people with Alzheimer's disease), approaches that try to prevent nerve
cells from dying wouldn't have any impact on that buildup.
Chemotherapy works by killing cancer
cells by
targeting fast - dividing
cells, and in most cases, kills off some healthy
cells along the way, including nerve
cells in the
brain.
His work indicates that this
cell surface marker could serve as a
target for a novel
brain cancer vaccine or T -
cell therapies engineered to recognize and kill tumors carrying that neoantigen.
Researchers hope the organoids will be better than lab animals or
cells growing in culture at revealing how the human
brain develops, both normally and when things go awry, and identify potential therapeutic or genome - editing
targets.
The Zika virus can cross the blood -
brain barrier, and could
target cancer
cells, sparing normal adult
brain tissue and opening a potential new way to attack the disease.
If we can learn lessons from Zika's ability to cross the blood -
brain barrier and
target brain stem
cells selectively, we could be holding the key to future treatments.»
Still, researchers are intrigued by the possibility that
cells may use these clearance mechanisms to propagate misfolded proteins throughout the
brain — in which case
targeting the mechanisms could conceivably slow disease progression.
This early stage research will explore how the virus
targets stem
cells and provide the starting point to develop new treatments that seek out the tumour and spare the surrounding healthy
brain tissue.
Yang said the study not only indicated which genes are affected by traumatic
brain injury and linked to serious disease, but also might point to the genes that govern metabolism,
cell communication and inflammation — which might make them the best
targets for new treatments for
brain disorders.
«Few drugs have the capacity to cross the tumor blood -
brain barrier and specifically
target tumor
cells,» says principal investigator Balveen Kaur, PhD, associate professor of neurological surgery and chief of the Dardinger Laboratory of Neurosciences at the OSUCCC — James.
But scientists were stumped on how to best integrate the
cell grafts into the
brain's complex circuitry, where they would be more
targeted and do the most good.
Specifically, it
targets the cochlea, a snail - like structure in the inner ear where sensitive
cells convey sound to the
brain.
These molecules could be attached to the quantum dots in order to
target specific
brain cells and could be administered intravenously.
Nagoya University - led research team shows in mice the potential of a special immune
cell that
targets a key protein in tumor growth that helps stop
brain cancer.
Transcranial magnetic stimulation can stimulate
brain cells from outside the head, but is not highly
targeted and so affects large areas of the
brain at once.
A preclinical study shows that an experimental nanotechnology drug called SapC - DOPS crosses the tumor blood -
brain barrier,
targets brain - tumor
cells and retards growth of tumor blood vessels.
They cross the blood -
brain / blood - tumor barrier, and accumulate within
brain tumor sites, where they
target oncogenes, regulate
cell growth and differentiation, reduce tumor burden and prolong survival in our mouse models.»
Gene switches have been identified that work in specific
brain areas, potentially enabling
targeted treatment of unhealthy
cells.
«Only by understanding the complexities of what happens in specific
cell - types found in specific areas of the
brain during this disease can
targeted treatments for Parkinson's disease be produced.»
Neurons that turn off
brain circuits do so by decreasing electrical activity to
target nerve
cells.
The virus appears to invade the
brain by infecting a type of glial
cell called olfactory ensheathing
cells (OECs), which nourish smell - sensing neurons and guide them from the olfactory bulb to their
targets in the nervous system.
Using the JEDI technology, Mount Sinai researchers uncovered evidence that immune
cells can find
cells in the
brain expressing their
target antigen, even in non-infected states, which provides evidence of an immune surveillance pathway within the body's central nervous system.
«If they are improperly positioned, they will form the wrong connections, which can lead to signals being sent to the wrong
target cells in the
brain.»
The findings reveal that NG2 glia represent a promising
target for neuronal
cell replacement strategies to treat traumatic
brain injury.
«The genes which these miRNAs regulate also had increased levels, indicating that these gene expression, indicating that these gene products were likely
targeted for storage and for possible future use within the
brain cell, rather than for destruction.
Psychoactive drugs,
targeting general
brain regions and
cell types, were too broad as well.
He
targeted ChR2 to the sleep
cells and then, using optical fiber, delivered light directly to the mice's
brains.
Would all this carefully
targeted weaponry that destroys cancer
cells without inflicting collateral damage on normal tissue work on cancers outside the
brain?
A molecule in
cells that shuts down the expression of genes might be a promising
target for new drugs designed to treat the most frequent and lethal form of
brain cancer, according to a new study by researchers at The Ohio State University Comprehensive Cancer Center — Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSUCCC — James).
«We are developing a fetal
brain stem
cell line to identify other fetal
brain sugars that may be
targets of Zika,» he adds.
Based on previous studies, researchers have hypothesized that recreational noise exposure might damage the circuitry between sensory hair
cells in the inner ear and their auditory nerve
targets that deliver information to the
brain.
The study focused on the serotonin transporter, a molecule that regulates the amount of serotonin signaling between
brain cells and is a major
target for treatment of depression and mood disorders.
Today the
brain's serotonin system is already a known
target for the treatment of depression, and according to researchers it should be possible to use time signals in pharmaceutical development based on stem
cells.
TRPV1 channels are widely distributed throughout the human
brain, so another major challenge is figuring out how to deliver stimulation only to the
cells researchers want to
target, he adds.
The study is a solid confirmation of previous papers that showed B2M's important role in aging and memory, says biologist Irina Conboy of the University of California, Berkeley, who recently published a scientific paper showing that
targeting a separate molecule can lower levels of B2M and restore
brain cell formation.
Implanted devices send
targeted electrical stimulation to the nervous system to interfere with abnormal
brain activity, and it is commonly assumed that neurons are the only important
brain cells that need to be stimulated by these devices.
These investigations take advantage of white blood
cells, monocytes, and macrophages that can
target an inflammation site, including inside the
brain.
His work suggests that deep -
brain stimulation — whether electrical or optical — may be most effective when it
targets not the neurons themselves but the connections between
cells, thereby affecting the flow of activity between
brain regions.
«If you're looking for very specific molecular
targets or pathways in the
brain, and how drugs might act on them, the difference between human
cells and mouse
cells is significant.»
The researchers took immune
cells isolated from paralyzed mice that specifically
target and harm the
brain and spinal cord, and treated them with either CBD or THC.
Professor Geoff Pilkington, study co-author and Head of the
Brain Tumour Research Centre, said: «Although this work is still at an early stage, we have demonstrated key elements that are associated with tumour cell binding to blood vessels and this may provide a target for future drug development to prevent the development of secondary tumours in the b
Brain Tumour Research Centre, said: «Although this work is still at an early stage, we have demonstrated key elements that are associated with tumour
cell binding to blood vessels and this may provide a
target for future drug development to prevent the development of secondary tumours in the
brainbrain.
Gene switches have been identified that work in very specific
brain areas, potentially enabling light to
target unhealthy
cells without disrupting healthy ones.
Whereas traditional MS medications
target the immune system's T -
cells, ocrelizumab focuses on destroying the system's B -
cells, which fuel the
brain inflammation that causes the disease to worsen.
C1q also plays a positive role in the
brain by clearing out dead
cells and helping
target harmful materials, so learning how to manipulate its presence to prevent debilitating synapse loss while maintaining its normal functions will require further research.
This process allows specialized Pac - Man — like
brain cells called microglia to engulf the
targeted synapses, paving the way for more precise
brain wiring.
A better understanding of aberrant
brain receptor signaling that leads to nerve
cell dysfunction could reveal a
target for therapy, according to the authors.
Cells in the
targeted brain regions fired when researchers asked subjects about their own views; they would also activate if such questions were followed by queries about the character with whom the volunteer most identified.
Because of the work of several other collaborators, Haughey says, his team knew that some sort of inflammation - promoting molecule was released from
brain and
targeted to the liver after
brain injury to send immune system
cells to the damaged area, but the identity of this go - between had been elusive for years.