Article ; Online: New precision medicine avenues to the prevention of Alzheimer's disease from insights into the structure and function of γ-secretases.
2024 Volume 43, Issue 6, Page(s) 887–903
Abstract: Two phase-III clinical trials with anti-amyloid peptide antibodies have met their primary goal, i.e. slowing of Alzheimer's disease (AD) progression. However, antibody therapy may not be the optimal therapeutic modality for AD prevention, as we will ... ...
Abstract | Two phase-III clinical trials with anti-amyloid peptide antibodies have met their primary goal, i.e. slowing of Alzheimer's disease (AD) progression. However, antibody therapy may not be the optimal therapeutic modality for AD prevention, as we will discuss in the context of the earlier small molecules described as "γ-secretase modulators" (GSM). We review here the structure, function, and pathobiology of γ-secretases, with a focus on how mutations in presenilin genes result in early-onset AD. Significant progress has been made in generating compounds that act in a manner opposite to pathogenic presenilin mutations: they stabilize the proteinase-substrate complex, thereby increasing the processivity of substrate cleavage and altering the size spectrum of Aβ peptides produced. We propose the term "γ-secretase allosteric stabilizers" (GSAS) to distinguish these compounds from the rather heterogenous class of GSM. The GSAS represent, in theory, a precision medicine approach to the prevention of amyloid deposition, as they specifically target a discrete aspect in a complex cell biological signalling mechanism that initiates the pathological processes leading to Alzheimer's disease. |
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MeSH term(s) | Humans ; Alzheimer Disease/genetics ; Alzheimer Disease/prevention & control ; Amyloid Precursor Protein Secretases/genetics ; Amyloid Precursor Protein Secretases/chemistry ; Amyloid beta-Peptides/genetics ; Precision Medicine ; Presenilins/therapeutic use ; Presenilin-1/genetics ; Amyloid beta-Protein Precursor/genetics |
Chemical Substances | Amyloid Precursor Protein Secretases (EC 3.4.-) ; Amyloid beta-Peptides ; Presenilins ; Presenilin-1 ; Amyloid beta-Protein Precursor |
Language | English |
Publishing date | 2024-02-23 |
Publishing country | England |
Document type | Journal Article ; Review |
ZDB-ID | 586044-1 |
ISSN | 1460-2075 ; 0261-4189 |
ISSN (online) | 1460-2075 |
ISSN | 0261-4189 |
DOI | 10.1038/s44318-024-00057-w |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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