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Drug Development.

Neil R Cashman1,2, Steven S Plotkin1, Scott Napper3

  • 1University of British Columbia, Vancouver, BC, Canada.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 25, 2025
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Summary
This summary is machine-generated.

A novel computational platform enables the development of highly selective antibodies and vaccines targeting toxic misfolded proteins implicated in neurodegenerative diseases like Alzheimer's and Parkinson's.

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Area of Science:

  • Neuroscience
  • Immunology
  • Computational Biology

Background:

  • Toxic misfolded proteins drive neurodegenerative diseases including Alzheimer's (AD), Parkinson's (PD), and ALS/FTD.
  • Conventional immunization strategies struggle to generate antibodies specific to disease-misfolded protein isoforms.

Purpose of the Study:

  • To develop a platform for creating highly selective immunotherapies targeting toxic misfolded proteins.
  • To overcome the limitations of conventional methods in generating disease-specific antibodies.

Main Methods:

  • Utilized a computational platform to identify unique conformational epitopes on toxic misfolded proteins.
  • Generated misfolding-specific antibodies and vaccine candidates based on identified epitopes.
  • Developed PMN310, a humanized monoclonal antibody targeting Abeta oligomers.

Main Results:

  • PMN310 demonstrates high selectivity for Abeta oligomers, avoiding monomers and fibrils, thus reducing risks like brain edema.
  • Identified epitopes for alpha-synuclein and TDP-43, leading to candidate antibodies for synucleinopathies and ALS/FTD.
  • Translated epitopes into vaccines for targeted therapy of pathogenic species in preclinical models.

Conclusions:

  • ProMIS's platform overcomes specificity issues of traditional immunizations.
  • Enables development of selective passive and active immunotherapies for neurodegenerative diseases.