| 摘要 |
The identification, isolation, sequencing and characterization of two human presenilin genes, PS-1 and PS-2, mutations in which lead to Familial Alzheimer's Disease, are disclosed. Presenilin gene homologs in mice, C. elegans and D. melanogaster are also disclosed. Use of the nucleic acids and proteins comprising or derived from the presenilins in screening and diagnosing Alzheimer's Disease, identifying and developing therapeutics for treatment of Alzheimer's Disease, in producing cell lines and transgenic animals useful as models of Alzheimer's Disease. Methods for identifying substances that bind to, or modulate the activity of, a presenilin protein, functional fragment or variant thereof, or a mutein thereof, and methods for identifying substances that affect the interaction of a presenilin-interacting protein with a presenilin protein, functional fragment or variant thereof, or a mutein thereof, are further disclosed.
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