Alzheimer's Disease involves the accumulation
of abnormal protein — either amyloid beta or Tau protein which gums up the brain system.
Scientists have identified a basic pathologic process underlying Alzheimer's development that involves the formation
of abnormal protein deposits in the brain known as beta - amyloid plaques, but they still aren't entirely sure what causes this to happen.
But this is the first study to show how lifestyle factors directly influence levels
of abnormal protein deposits in the brain that have been long tied to Alzheimer's disease.
Deep inside the brains of people with dementia and Lou Gehrig's disease, globs
of abnormal protein gum up the inner workings of brain cells — dooming them to an early death.
Howard Hughes Medical Institute researchers have provided the first detailed look at the core structure
of the abnormal protein filaments found in at least 20 devastating diseases, ranging from...
In most cases, CTE is thought to be caused by repeated blows to the head, which damage brain tissue and lead to a buildup
of an abnormal protein called tau, according to the CTE Center.
Several factors have been implicated in Alzheimer's, including the build - up
of an abnormal protein called beta amyloid, fibrous tangles in the brain involving abnormal forms of a protein called tau, and — most recently — an association between the disease and a gene called ApoE.
LM22A - 4 treatment reduced the accumulation
of abnormal proteins in the striatum and cortex — brain regions affected in Huntington's disease.
The problem with making blood stem cells proliferate outside the body is that the artificial growth gives rise to an accumulation
of abnormal proteins in a part of the cell called the endoplasmic reticulum, ER.
«How nerve cells are damaged by accumulation
of abnormal proteins.»
In cancer cells, the drugs produce a substantial increase in the display
of abnormal proteins on the cells» surface.
By combining pieces of different genes, fusion genes can lead to production
of abnormal proteins that disrupt cell function.
In thyroid cancer in dogs caused by parafocllicular cells can cause diarrhea resulting from the production
of abnormal proteins in the C - cells.
Not exact matches
The cancerous cells win out over the healthy blood cells in the bone marrow, which in turn leads to kidney problems when the cancer cells make
abnormal proteins instead
of antibodies.
Food allergens are typically naturally - occurring
proteins in foods or derivatives
of them that cause
abnormal immune responses.
Whey
protein may cause
abnormal heart rhythms, changes in cholesterol levels, headache, increased diabetes risk, increased fracture or osteoporosis risk, kidney dysfunction, liver damage, stomach or intestine symptoms (acid reflux, bloating, constipation, cramps, gas, increased bowel movements, movement problems, nausea, reduced appetite, swelling
of limbs, and upset stomach), and thirst.
In an interview, the Glasgow - based neurologist described how he had examined sections
of brain tissue in a retired rugby player and found
abnormal proteins associated with head injuries and dementia.
When logistic models were stratified by the presence or absence
of hypertensive disease, only maternal age older than 34 years (odds ratio [OR], 1.4; 95 % confidence interval [CI], 1.0 - 2.0), pregnancy - associated plasma
protein - A
of the 95th percentile or less (OR, 1.9; 95 % CI, 1.2 - 3.1), and alpha fetoprotein
of the 95th percentile or greater (OR, 2.3; 95 % CI, 1.4 - 3.8) remained statistically significantly associated for abruption.In this large, population - based cohort study,
abnormal maternal aneuploidy serum analyte levels were associated with placental abruption, regardless
of the presence
of hypertensive disease.
The researchers worked through the symptoms
of the disease, matching each one with
abnormal levels
of proteins from the biopsies, and then with existing drugs that could potentially provide relief.
A study
of 32,000 appendixes removed between 2000 and 2012 from British people born between 1941 and 1985 suggests that 1 in every 2000 people in the UK is carrying the
abnormal protein, or prion, that causes the disease.
All these diseases share a common feature:
abnormal buildup
of a
protein called tau in the brains
of patients.
All
of these mutations destabilize the
protein's normal structure and promote
abnormal SOD1 structures.
At the Gladstone, cardiovascular scientist Robert Mahley, working with a team including neuroscientist Yadong Huang, has identified small «corrector» molecules that modify the structure
of ApoE4
protein to one more like that
of ApoE3, thereby reducing
abnormal fragmentation.
Payne keyed in the symptoms, and the computer program suggested a handful
of potential conditions, including a rare disease called amyloidosis, in which
abnormal proteins build up in the body, interfering with normal organ function and causing nerve damage.
The team's key discovery was that stem cells lacking an enzyme responsible for pseudouridine modification
of RNA, known as PUS7, produce
abnormal amounts
of protein.
Two
protein molecules that fit together as lock and key seem to promote the
abnormal formation
of blood vessels in joints affected by rheumatoid arthritis, according to researchers at the University
of Illinois at Chicago College
of Medicine, who found that the substances are present at higher levels in the joints
of patients affected by the disease.
People with the transthyretin amyloidosis have mutations in the DNA
of the transthyretin gene, which causes
abnormal buildup and deposits
of a transport
protein called transthyretin in nerve and heart cells.
The researchers have now provided further evidence for this new theory by showing that the
abnormal protein coded for this genetic disorder can be transmitted to normal animals by the injection
of diseased cells into their brain.
The disease is caused by a genetic mutation that leads to
abnormal clumps
of protein in the brain, eventually resulting in the atrophy and death
of nerve cells.
HD is caused by a mutation in the human HTT gene that results in an
abnormal expansion and misfolding
of the corresponding huntingtin
protein.
Liu notes that this
abnormal protein secretion occurs in other parts
of the body as well with exfoliation syndrome, but appears to be problematic only in the eye.
FA is caused by reduced expression
of a mitochondrial
protein called frataxin (FXN) due to a two mutated or
abnormal copies
of the FXN gene.
Coeliac disease is caused by an
abnormal reaction to gliadin, a gluten
protein found in wheat (and similar
proteins of the tribe Triticeae which includes other cultivars such as barley and rye).
The Chilean Rose Tarantula is the source
of an important
protein used in drugs to stop atrial fibrillation, an
abnormal heart rhythm, or cardiac arrhythmia, which can result in death.
According to the proposal, called the amyloid hypothesis, Alzheimer's disease, estimated to affect more than 5 million people in the United States alone, is caused by
abnormal buildup
of A-beta
protein in the brain.
In multiple myeloma, normal plasma cells transform into malignant myeloma cells and produce large quantities
of toxic
abnormal immunoglobulin called monoclonal
protein that can damage multiple organs.
Multiple myeloma is preceded by a blood disorder called monoclonal gammopathy
of undetermined significance (MGUS) in which
abnormal plasma cells produce many copies
of an antibody
protein.
They also expressed
abnormal levels
of proteins involved in neurodegenerative conditions.
Other approaches target the
abnormal accumulation
of the
protein tau in neurofibrillary tangles.
National Institutes
of Health (NIH) scientists and collaborators at Case Western Reserve University School
of Medicine have detected
abnormal prion
protein in the skin
of nearly two dozen people who died from Creutzfeldt - Jakob disease (CJD).
Arising from the
abnormal buildup
of a
protein known as alpha - synuclein in the brain, such conditions damage the nerves that control blood pressure and heart rate.
Plants grown from these cells make
abnormal versions
of messenger RNA, the molecule used to make the
proteins.
«One
of the major and immediate downstream effects
of myc activation is a dramatic increase in the capacity
of affected cells to make
protein,» Ruggero said «This, in turn, leads to increased cell survival and proliferation, and to unstable genomes that foster additional mutations that turn these
abnormal cells into tumor cells.»
Several
of the
proteins characteristic
of cancer cells seem to show up in these nerve cells, and this is very
abnormal.
In earlier studies, Ruggero found that myc not only drives
protein production, but also that myc - driven cancer cells become absolutely dependent upon this ability to make
abnormal amounts
of protein.
Trouble begins when they misfold into
abnormal versions
of the
protein.
«Too little
of this
protein disrupts normal stem cell function, but too much can promote
abnormal growth and lead to cancer.
Of particular interest are the emerging techniques for genomics and proteomics, which allow profiles of gene expression and protein synthesis to be produced and comparisons to be made between normal and abnormal cells, as well as between cells before and after exposure to medicines or toxic chemical
Of particular interest are the emerging techniques for genomics and proteomics, which allow profiles
of gene expression and protein synthesis to be produced and comparisons to be made between normal and abnormal cells, as well as between cells before and after exposure to medicines or toxic chemical
of gene expression and
protein synthesis to be produced and comparisons to be made between normal and
abnormal cells, as well as between cells before and after exposure to medicines or toxic chemicals.
Abnormal and uncontrolled production
of this class
of proteins, known as transcription factors, allow for cells to bypass growth control mechanisms and to develop characteristics necessary for invading surrounding tissues.
This turned out to be a normal
protein in the cells
of organisms throughout the animal kingdom — but in brains infected with scrapie and related diseases it turns up in both a normal, soluble form and an
abnormal, insoluble form which accumulates in deposits that eventually kill the cells.