beta-amyloid

be·ta-am·y·loid

B5214000 (bā′tə-ăm′ə-loid′, bē′-)n. A protein fragment formed by the cleavage of amyloid precursor protein that aggregates into deposits characteristically found in the brains of people with Alzheimer's disease. Also called amyloid beta-peptide, amyloid beta-protein, beta-amyloid peptide, beta-amyloid protein.

[From the beta sheets characterizing its structure.]

beta-amyloid

(bā′tə-ăm′ə-loid′, bē′-)n. A protein fragment formed by the cleavage of amyloid precursor protein that aggregates into deposits characteristically found in the brains of people with Alzheimer's disease. Also called amyloid beta-peptide, amyloid beta-protein, beta-amyloid peptide, beta-amyloid protein.

beta-amyloid

A4, β—amyloid Neurology A 4 kD polypeptide encoded on chromosome 21 arising from altered processing of amyloid precursor protein, an integral membrane glycoprotein secreted as a truncated carboxyl-terminal molecule; BA forms plaques in the brains of Pts with Alzheimer's disease–AD, Down syndrome, infectious encephalopathy, cerebral amyloid angiopathy; BA is found in skin, intestine, adrenal gland. See Alzheimer's disease, Amyloid, Presenilin. Cf Alpha2-macroglobulin.

单词	beta-amyloid
释义	beta-amyloid be·ta-am·y·loid B5214000 (bā′tə-ăm′ə-loid′, bē′-)n. A protein fragment formed by the cleavage of amyloid precursor protein that aggregates into deposits characteristically found in the brains of people with Alzheimer's disease. Also called amyloid beta-peptide, amyloid beta-protein, beta-amyloid peptide, beta-amyloid protein. [From the beta sheets characterizing its structure.] beta-amyloid beta-amyloid (bā′tə-ăm′ə-loid′, bē′-)n. A protein fragment formed by the cleavage of amyloid precursor protein that aggregates into deposits characteristically found in the brains of people with Alzheimer's disease. Also called amyloid beta-peptide, amyloid beta-protein, beta-amyloid peptide, beta-amyloid protein. beta-amyloid A4, β—amyloid Neurology A 4 kD polypeptide encoded on chromosome 21 arising from altered processing of amyloid precursor protein, an integral membrane glycoprotein secreted as a truncated carboxyl-terminal molecule; BA forms plaques in the brains of Pts with Alzheimer's disease–AD, Down syndrome, infectious encephalopathy, cerebral amyloid angiopathy; BA is found in skin, intestine, adrenal gland. See Alzheimer's disease, Amyloid, Presenilin. Cf Alpha2-macroglobulin.
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