amyloid


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am·y·loid

 (ăm′ə-loid′)
n.
1. A starchlike substance.
2.
a. An insoluble, fibrous structure consisting chiefly of an aggregation of proteins arranged in beta sheets, forming extracellular deposits in organs or tissues and characteristic of certain diseases such as Alzheimer's disease and Parkinson's disease.
b. The substance that makes up such a structure.
adj.
1. Starchlike.
2. Being or related to proteinaceous amyloid: amyloid plaque.

amyloid

(ˈæmɪˌlɔɪd)
n
1. (Biochemistry) pathol a complex protein resembling starch, deposited in tissues in some degenerative diseases
2. any substance resembling starch
adj
starchlike

am•y•loid

(ˈæm əˌlɔɪd)

n.
1. a waxy, translucent substance, composed primarily of protein fibers, that is deposited in various organs of animals in certain diseases.
2. a nonnitrogenous food consisting esp. of starch.
adj.
3. of, resembling, or containing amylum.
[1855–60]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.amyloid - a non-nitrogenous food substance consisting chiefly of starch; any substance resembling starch
amylum, starch - a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles
2.amyloid - (pathology) a waxy translucent complex protein resembling starch that results from degeneration of tissue
pathology - the branch of medical science that studies the causes and nature and effects of diseases
protein - any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"
Adj.1.amyloid - resembling starch
starchy - consisting of or containing starch; "starchy foods"
Translations

am·y·loid

n. amiloide, proteína que se asemeja a los almidones;
___ degenerationdegeneración ___;
___ diseaseenfermedad ___;
___ kidneyriñón ___;
___ nephrosisnefrosis ___.
References in periodicals archive ?
BOSTON--Walking appears to moderate cognitive decline in people with elevated brain amyloid, a 4-year observational study has determined.
Low scores on the University of Pennsylvania Smell Identification Test (UPSIT) are linked to a thinning of the entorhinal cortex the brain region where amyloid plaques are thought to first appear as Alzheimer's disease takes hold, reported at the Alzheimer's Association International Conference.
has a primary source in peripheral tissues outside of the brain (particularly the liver) and that the FDA-approved anti-leukemia drug imatinib is effective in reducing amyloid accumulation in the brain, even though it does not cross the blood-brain barrier.
TORONTO -- A scratch-and-sniff test that asks subjects to identify 40 odors and ranks olfaction is almost as powerful a predictor of Alzheimer's disease as is a positive test for amyloid.
Researchers have shown that amyloid beta, a slimy substance found in the brains of people with Alzheimer's disease, protects living mice and cultured human brain cells against brain infections.
A newly designed membrane uses thin amyloid protein fibers to pull heavy metals and radioactive wastes out of water.
New research reveals that older adults' brains may be less efficient at clearing away amyloid beta, the main ingredient of the protein plaques that clog up the brain in Alzheimer's disease (AD).
Originally put forth in the mid-1980s, the amyloid hypothesis maintained that beta-amyloid deposits in the brain set off all subsequent events -- the neurofibrillary tangles that choke the insides of neurons, neuronal cell death, and inflammation leading to a vicious cycle of massive cell death," says Rudolph Tanzi, PhD, director of the MGH Genetics and Aging Research Unit and co-senior author of the report receiving advance online publication in Nature.
London, March 17 ( ANI ): Researchers have said that amyloid plaques, a hallmark of diseases like Alzheimer's, may have acted as a catalyst to help trigger the reactions that sustain life.
The test provides an accurate diagnosis by identifying even small quantities of amyloid-beta clusters- the toxic proteins responsible for Alzheimer's disease- present in the blood stream, and differentiating them from the individual amyloid proteins found in healthy people.
Amyloid fibrils and prefibrillar aggregates; molecular and biological properties.
GE Healthcare today announced pooled results from phase III brain autopsy and biopsy studies on the investigational PET amyloid imaging agent, 18F flutemetamol, which showed a strong concordance between 18F flutemetamol images and Alzheimer s disease-associated beta amyloid brain pathology.