Ajantha Abey

ORCID: 0000-0003-0484-8001
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About
Contact & Profiles
Research Areas
  • Alzheimer's disease research and treatments
  • Nuclear Receptors and Signaling
  • Nerve injury and regeneration
  • Autophagy in Disease and Therapy
  • Neuroscience and Neuropharmacology Research
  • Parkinson's Disease Mechanisms and Treatments
  • Autism Spectrum Disorder Research
  • Neuroscience and Neural Engineering
  • Pluripotent Stem Cells Research
  • Barrier Structure and Function Studies
  • Medicinal Plants and Neuroprotection
  • Neuroinflammation and Neurodegeneration Mechanisms
  • Neurogenesis and neuroplasticity mechanisms

University of Oxford
2022-2024

The University of Sydney
2020-2022

Alzheimer's disease (AD) is an age-related neurodegenerative condition and the most common type of dementia, characterised by pathological accumulation extracellular plaques intracellular neurofibrillary tangles that mainly consist amyloid-β (Aβ) hyperphosphorylated tau aggregates, respectively. Previous studies in mouse models with a targeted knock-out microtubule-associated protein (Mapt) gene demonstrated Aβ-driven toxicity tau-dependent. However, human cellular chronic lowering remain...

10.1038/s41380-024-02463-2 article EN cc-by Molecular Psychiatry 2024-02-15

Some aged community dogs acquire a degenerative syndrome termed Canine Cognitive Dysfunction (CCD) that resembles human dementia because of Alzheimer's Disease (AD), with comparable cognitive and behavioral deficits. Dogs also have similar neuroanatomy, share our domestic environment develop amyloid-β plaques, making them likely valuable ecological model AD. However, prior investigations demonstrated lack neurofibrillary tau pathology in dogs, an important hallmark AD, though elevated...

10.1111/bpa.12893 article EN cc-by-nc Brain Pathology 2020-08-28

Older companion dogs naturally develop a dementia-like syndrome with biological, clinical and therapeutic similarities to Alzheimer disease (AD). Given there has been no new safe, clinically effective widely accessible treatment for AD almost 20 years, an all-new cell approach was trialled in canine veterinary patients, further modelled aged rats more detailed neurobiological analysis. A Phase 1/2A trial conducted N = 6 older definitive diagnosis of Canine Cognitive Dysfunction (CCD)....

10.1186/s13287-022-02933-w article EN cc-by Stem Cell Research & Therapy 2022-06-17

Abstract Background Alzheimer’s (AD) and Parkinson’s disease (PD) feature progressive neurodegeneration in a remarkably regionally selective manner. Post mortem studies have posited role for cell autonomous mechanisms driving this, so we aimed to examine live human induced pluripotent stem (iPSC) model see whether it can replicate the phenomenon of neuronal vulnerability, better determine therapeutic targets. Method iPSC‐derived neurons offer rare opportunity vulnerability cells. iPSCs from...

10.1002/alz.087271 article EN cc-by Alzheimer s & Dementia 2024-12-01

Abstract Background Alzheimer’s disease (AD) is an age-related neurodegenerative condition and the most common type of dementia, characterised by pathological accumulation extracellular plaques intracellular neurofibrillary tangles that mainly consist amyloid-β (Aβ) hyperphosphorylated tau aggregates, respectively. Previous studies in mouse models with a targeted knock-out microtubule-associated protein (Mapt) gene demonstrated Aβ-driven toxicity tau-dependent. However, human cellular...

10.1101/2022.12.23.521772 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2022-12-23

Abstract Background Alzheimer’s and Parkinson’s disease feature progressive neurodegeneration associated with the accumulation of protein aggregates in a remarkably regionally selective manner. The cortical neurons that are relatively vulnerable Disease (AD) only affected late (PD), whereas midbrain dopaminergic exhibit striking vulnerability PD, but spared AD. Rodent human post mortem studies have posited role for cell autonomous mechanisms such as autophagy or calcium buffering deficits...

10.1002/alz.075756 article EN Alzheimer s & Dementia 2023-12-01
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