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| http://dx.doi.org/10.1249/MSS.0000000000002668 | DOI Listing |
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Background: Immunotherapy of Alzheimer's disease (AD) is a promising approach to reducing the accumulation of beta-amyloid, a critical event in the onset of the disease. Targeting the group II metabotropic glutamate receptors, mGluR2 and mGluR3, could be important in controlling Aβ production, although their respective contribution remains unclear due to the lack of selective tools.
Method: 5xFAD mice were chronically treated by a brain penetrant camelid single domain antibody (VHH or nanobody) that is an activator of mGluR2.
Drug Development.
Alzheimers Dement
December 2024
University of Florida / Center for Translational Research in Neurodegenerative Disease, Gainesville, FL, USA.
Background: Vaxxinity is developing an active immunotherapy targeting Tau for Alzheimer's disease (AD) and other tauopathies. VXX-301 is a multi-epitope vaccine designed to target the N-terminal and repeat domains of Tau. This design enables targeting multiple forms of Tau thought to contribute to Tau associated pathologies.
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Alzheimers Dement
December 2024
Columbia University Irving Medical Center, New York, NY, USA.
Background: Genetic studies indicate a causal role for microglia, the innate immune cells of the central nervous system (CNS), in Alzheimer's disease (AD). Despite the progress made in identifying genetic risk factors, such as CD33, and underlying molecular changes, there are currently limited treatment options for AD. Based on the immune-inhibitory function of CD33, we hypothesize that inhibition of CD33 activation may reverse microglial suppression and restore their ability to resolve inflammatory processes and mitigate pathogenic amyloid plaques, which may be neuroprotective.
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Alzheimers Dement
December 2024
Department of Bioengineering, University of California, Los Angeles, CA, USA, Los Angeles, CA, USA.
Background: The initiation of amyloid plaque deposition signifies a crucial stage in Alzheimer's disease (AD) progression, which often coincides with the disruption of neural circuits and cognitive decline. While the role of excitatory-inhibitory balance is increasingly recognized in AD pathophysiology, targeted therapies to modulate this balance remain underexplored. This study investigates the effect of perampanel, a selective non-competitive AMPA receptor antagonist, in modulating neurophysiological changes in hAPP-J20 transgenic Alzheimer's mice.
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Alzheimers Dement
December 2024
NYU Grossman School of Medicine, New York, NY, USA; NYU, New York City, NY, USA.
Background: Astrocytes, a major glial cell in the central nervous system (CNS), can become reactive in response to inflammation or injury, and release toxic factors that kill specific subtypes of neurons. Over the past several decades, many groups report that reactive astrocytes are present in the brains of patients with Alzheimer's disease, as well as several other neurodegenerative diseases. In addition, reactive astrocyte sub-types most associated with these diseases are now reported to be present during CNS cancers of several types.
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