期刊
TRENDS IN MOLECULAR MEDICINE
卷 8, 期 9, 页码 411-413出版社
ELSEVIER SCI LTD
DOI: 10.1016/S1471-4914(02)02403-6
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资金
- NIA NIH HHS [R01 AG020197] Funding Source: Medline
To date, transmissibility of amyloid diseases has not been thoroughly investigated. Although only some of these conformational disorders are considered infectious, all amyloid diseases could be infectious under certain conditions. For transmissibility, endogenous expression of an amyloidogenic peptide is required, as well as the presence of an inoculum that is rich in amyloid fibrils and/or their precursors. Notably, administration of one type of amyloid might result in deposition of a different amyloid. Various cofactors could be essential for transmission - some might chaperone the amyloid peptides and/or fibrils, thereby directly facilitating their propagation; others might indirectly stabilize and/or increase levels of conformers with a high P-sheet content. It is possible that these chaperones are induced by inflammation, which itself can lead to secondary amyloidosis. Thus, amyloid-related therapeutic approaches should not be based on administration of amyloidogenic peptides in conjunction with an inflammatory stimulus, such as in a recently halted clinical trial for Alzheimer's disease.
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