Sentences with phrase «toxic brain protein»

An FDA approved drug to treat renal cell carcinoma appears to reduce levels of a toxic brain protein linked to dementia in Alzheimer's and Parkinson's diseases when given to animals.
An experimental drug from Ionis Pharmaceuticals safely reduced a toxic brain protein in Huntington's disease, according to early results in patients.

Not exact matches

Drugs that disrupt production of toxic proteins in the brain could work for various degenerative disorders, including Alzheimer's and Parkinson's
In humans, Huntington's is an inherited disease caused by a gene encoding a toxic protein, called mutant huntingtin, which causes brain cells to die.
Huntington's disease is caused by a gene encoding a toxic protein (mutant huntingtin) that causes brain cells to die.
That leads the protein alpha - synuclein to build up and form toxic clumps in brain areas that control motor function.
Fruit flies with the mutant form of LRRK2 also had a disrupted microRNA pathway associated with the gene, and accumulated toxic proteins that killed motor - coordinating neurons in the brain.
At the same time, researchers have found that much smaller protein clusters called oligomers — made of only a few copies of these proteins — can be highly toxic to motor neuron - like cells grown in the lab and thus are more likely to be the chief causes of brain - cell death in these diseases.
«Toxic Alzheimer's protein spreads through brain via extracellular space.»
A toxic Alzheimer's protein can spread through the brain — jumping from one neuron to another — via the extracellular space that surrounds the brain's neurons, suggests new research from Columbia University Medical Center.
Both are antibodies that bind to amyloid proteins and help remove the toxic proteins from the brain before they have a chance to turn into plaques.
The newly unmasked genes play a role in three distinctively different bodily functions, including systems that control inflammation and cholesterol and the regulation of how brain cells clean up toxic proteins.
The disease is caused by the accumulation of abnormally shaped α - synuclein proteins in neurons, leading to particularly toxic effects in dopamine - releasing cells located in brain regions that control movement.
But for reasons that are yet unknown, when Alzheimer's develops, this protein divides improperly and creates a form called beta amyloid, which is toxic to neurons in the brain.
The researchers developed a model of Alzheimer's disease and were surprised to find that increased levels of a gene involved in the production of toxic proteins in the brain not only led to Alzheimer's - like symptoms, but also to the development of diabetic complications.
Amyloid plaques are the toxic clumps of protein that cause damage to cells in the brains of people with Alzheimer's disease.
As study director Brack - Werner explained: «Several viral proteins are toxic to neurons and may cause immune damage in the brain.
Excess DDRs activation may switch off autophagy, resulting in build - up of toxic proteins inside brain cells and possibly breakdown of the blood - brain barrier, common in neurodegenerative diseases, he says.
«Activation of these cell receptors appear to prevent brain cells from cleaning out the trash — the toxic buildup of proteins, such as alpha - synuclein, tau and amyloid, common in neurodegenerative diseases,» says the study's senior author, neurologist Charbel Moussa, MBBS, PhD, director of Georgetown's Laboratory for Dementia and Parkinsonism, and scientific and clinical research director of the GUMC Translational Neurotherapeutics Program.
Secreted by certain brain cells, APOE is known to regulate cholesterol metabolism within the brain and can bind to A-beta peptides, suggesting that the different forms of the protein may affect whether and how toxic A-beta plaques form.
Researchers at the University of Pittsburgh School of Medicine have uncovered a major reason why the Parkinson's - related protein alpha - synuclein, a major constituent of the Lewy bodies that are the pathological hallmark of Parkinson's disease (PD), is toxic to neurons in the brain.
The mutant Huntingtin gene is thought to cause toxic levels of protein to aggregate in the brain.
The researchers anticipate that the pigs could be a practical way to test treatments for HD, which is caused by a gene encoding a toxic protein that causes brain cells to die.
The recent ability to peer into the brain of living individuals with a rare type of language dementia, primary progressive aphasia (PPA), provides important new insights into the beginning stages of this disease — which results in language loss — when it is caused by a buildup of a toxic protein found in Alzheimer's disease.
Both types of dementia (memory and language) can be caused by an accumulation of beta - amyloid, an abnormal toxic protein in the brain.
In the present work, the teams led by Michael Ewers (ISD) and EMBO Member Christian Haass (DZNE) focussed on the TREM2 protein, which functions in specialized brain immune cells called microglia that clear toxic material resulting from nerve cell injury.
Using a special imaging technique, Northwestern Medicine scientists have discovered the toxic build - up of amyloid protein is greater on the left side of the brain — the site of language processing — than on the right side in many individuals living with PPA.
The drug also appeared to reduce the amount of the protein amyloid beta (which forms toxic plaques in the brains of Alzheimer's patients) by decreasing the levels of metals such as zinc and copper.
This is a drawing representing structure of properly functioning protein (left) which is optically invisible to high power laser light, and toxic amyloid (right) responsible for brain diseases that might potentially be cured using lasers in photo therapies.
Many cases of ALS are sparked by a toxic build - up of certain proteins, which cause neurons in the brain and spinal cord to die.
In February a group of researchers from Case Western Reserve University reported online in Science that a cancer drug with relatively benign side effects was able to rapidly clear from the brains of mice toxic amyloid - beta protein fragments that accompany Alzheimer's.
Indeed, infectious prions are solely composed of preformed aggregates of misfolded prion protein, which transmit disease by seeding the aggregation of the endogenous prion protein, resulting in the accumulation of large quantities of these toxic aggregates in the brain (Prusiner, 1998; Soto et al., 2006).
In addition, other teams at the O'Donnell Brain Institute are designing tests for the early detection of patients who will develop dementia, and seeking methods to slow or stop the spread of toxic proteins associated with the disease such as beta - amyloid and tau, which are blamed for destroying certain groups of neurons in the bBrain Institute are designing tests for the early detection of patients who will develop dementia, and seeking methods to slow or stop the spread of toxic proteins associated with the disease such as beta - amyloid and tau, which are blamed for destroying certain groups of neurons in the brainbrain.
Huntington's is an inherited disease caused by a gene encoding a toxic protein (mutant huntingtin) that causes brain cells to die.
Huntington's disease is caused by a gene encoding a toxic protein (mutant huntingtin or mHTT) that causes brain cells to die.
Research by BrightFocus grantee Matthew Campbell, PhD, of Trinity College Dublin, suggests a unique way to help clear the brain of toxic amyloid beta protein, which contributes to the development of Alzheimer's.
Enhancing the brain's own clean - up crews could be a strategy for handling the toxic proteins driving several neurodegenerative diseases, new research suggests.
The new study from a team at the Cleveland Clinic Lerner Research Institute focused on an enzyme called BACE1 (aka beta - secretase), which is known to contribute to the formation of the toxic amyloid proteins that congregate as plaques on the brain, and are hypothesized to be the source of most Alzheimer's symptoms.
They also identified targets for potential therapies: bolstering levels of either a particular chaperone or a growth factor in brain cells can protect against the toxic effects of misfolded proteins.
The researchers used CRISPR / Cas9 gene editing, delivered by a viral vector, to snip part of a gene producing toxic protein aggregates in the brains of 9 - month old mice.
proteins, which build up to toxic levels in the brains of people with Alzheimer's disease, impair the axonal transport of these cargoes.
«Huntington's — an inherited and fatal disorder that leads to problems with muscle coordination, cognition and personality — is characterized by the toxic buildup of a mutant form of the huntingtin protein in the brain,» explained Dr. Finkbeiner, who directs the Taube - Koret Center for Neurodegenerative Disease Research at Gladstone.
Sleep seems to be therapeutic and seems to clear out some of these amyloid plaques or these toxic proteins that accumulate in the brain.
And these essentially are toxic proteins that clog up the signaling of the areas in the brain so that cells essentially start to dysfunction and eventually to die off.
Zoghbi's lab also found that this altered ATXN1 gene sequence encodes a bulky, improperly folded protein that is toxic to brain cells.
Here's a tantalizing prospect, hinted at by a long - running thread of brain research: compounds that boost the function of certain acetylcholine circuits in the brain might also modify production of toxic beta - amyloid protein.
St. Jude Children's Research Hospital scientists have identified an enzyme that can halt or possibly even reverse the build - up of toxic protein fragments known as plaques in the brains of mice with Alzheimer's disease.
LONDON (July 16, 2017)-- Researchers have found cell receptors abnormally overexpressed in post-mortem brains of those with Parkinson's and Alzheimer's diseases, and that they can be inhibited in animal models to clear toxic protein buildup, reduce brain inflammation, and improve cognitive performance.
One aspect of Dr. Gan's research focuses on why toxic proteins accumulate in the brains of Alzheimer patients.
Additional exploratory objectives include assessing the impact that each compound has on the toxic mutant protein known to cause loss of brain cells in HD, as well as evaluating potential clinical effects and impact on brain atrophy as measured by magnetic resonance imaging (MRI).
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