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Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Hybrid PET/MRI Imaging of Alzheimer's Disease Based on 18F-AV-1451
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Alzheimer's Imaging Consortium.

Nicolás Lamanna-Rama1,2, Marta Casquero-Veiga2,3, Carlos Ceron2

  • 1Consejo Superior de Investigaciones Científicas - Centro Internacional de Neurociencia Cajal (CSIC - CINC), Alcalá de Henares, Madrid, Spain.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
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PubMed
Summary
This summary is machine-generated.

Alzheimer's disease (AD) involves increased fibrin in the brain, contributing to neurodegeneration. The BioClotAD project developed fibrin-binding probes for early detection and potential treatment with anticoagulants.

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Area of Science:

  • Neuroscience
  • Biomarker Development
  • Medical Imaging

Background:

  • Alzheimer's disease (AD) is the most common dementia, characterized by complex neuropathology.
  • A prothrombotic state, leading to fibrin accumulation in cerebral vessels, is implicated in AD pathogenesis.
  • Early detection of this pro-coagulant state may enable timely intervention with anticoagulant therapies.

Purpose of the Study:

  • To develop novel imaging biomarkers for non-invasively detecting the pro-coagulant state in AD.
  • To utilize fibrin-binding probes (FBPs) for identifying cerebral fibrin accumulation.
  • To establish neuroimaging strategies for early AD diagnosis and personalized treatment.

Main Methods:

  • The BioClotAD project employs in vitro, ex vivo, and in vivo assays across multiple European sites.
  • Fibrin-binding probes (FBPs) are tested for in vivo detection of cerebral occlusions via nuclear imaging.
  • FBPs coupled with a transferrin receptor antibody (FBP-TfR) are developed to enhance blood-brain barrier (BBB) penetration for optical and nuclear imaging.

Main Results:

  • Feasible neuroimaging strategies were developed to detect in vivo fibrin accumulation in AD models.
  • The regional distribution of cerebral fibrin deposition in AD was identified.
  • The study lays the groundwork for future clinical trials on neuroimaging AD's cerebral fibrin accumulation.

Conclusions:

  • BioClotAD neuroimaging biomarkers facilitate early detection of the pro-thrombotic state in AD.
  • This early detection opens opportunities for personalized anticoagulant therapies to delay disease progression.
  • The developed biomarkers represent a significant step towards improved AD management.