ArticleAlzheimer's & dementia (New York, N. Y.)2022
Diet-induced Alzheimer's-like syndrome in the rabbit.
Article in Alzheimer's & dementia (New York, N. Y.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 10 citations in OpenAlex.
- Identification of a glia-associated amyloid β oligomer subtype and the rescue from reactive astrogliosis by inhibitor NU-9.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- Retarded Learning in a Rabbit Model of Metabolic Syndrome Created by Long-Term Feeding of High-Fat Diet and High Sucrose.Nutrients · 2025Article
- A long-term mild high-fat diet facilitates rabbit discrimination learning and alters glycerophospholipid metabolism.Neurobiology of learning and memory · 2025Article
- Inhibition of amyloid beta oligomer accumulation by NU-9: A unifying mechanism for the treatment of neurodegenerative diseases.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Activation of GPER-1 Attenuates Traumatic Brain Injury-Induced Neurological Impairments in Mice.Molecular neurobiology · 2024Article
- Brain activity studied with magnetic resonance imaging in awake rabbits.Frontiers in neuroimaging · 2022Review
- Diet-induced Alzheimer's-like syndrome in the rabbit.Alzheimer's & dementia (New York, N. Y.) · 2022Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
introductionAlthough mouse models of Alzheimer's disease (AD) have increased our understanding of the molecular basis of the disease, none of those models represent late-onset Alzheimer's Disease which accounts for >90% of AD cases, and no therapeutics developed in the mouse (with the possible exceptions of aduhelm/aducanumab and gantenerumab) have succeeded in preventing or reversing the disease. This technology has allowed much progress in understanding the molecular basis of AD. To further enhance our understanding, we used wild-type rabbit (with a nearly identical amino acid sequence for amyloid as in humans) to model LOAD by stressing risk factors including age, hypercholesterolemia, and elevated blood glucose levels (BGLs), upon an ε3-like isoform of apolipoprotein. We report a combined behavioral, imaging, and metabolic study using rabbit as a non-transgenic model to examine effects of AD-related risk factors on cognition, intrinsic functional connectivity, and magnetic resonance-based biomarkers of neuropathology.
methodsAging rabbits were fed a diet enriched with either 2% cholesterol or 10% fat/30% fructose. Monthly tests of novel object recognition (NOR) and object location memory (OLM) were administered to track cognitive impairment. Trace eyeblink conditioning (EBC) was administered as a final test of cognitive impairment. Magnetic resonance imaging (MRI) was used to obtain resting state connectivity and quantitative parametric data (R
resultsExperimental diets induced hypercholesterolemia or elevated BGL. Both experimental diets induced statistically significant impairment of OLM (but not NOR) and altered intrinsic functional connectivity. EBC was more impaired by fat/fructose diet than by cholesterol. Whole brain and regional R DISCUSSION: We propose that mechanisms underlying LOAD can be assessed by stressing risk factors for inducing AD and that dietary manipulations can be used to assess etiological differences in the pathologies and effectiveness of potential therapeutics against LOAD. In addition, non-invasive MRI in awake, non-anesthetized rabbits further increases the translational value of this non-transgenic model to study AD.
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