Cited by 66Nanoparticle-Based Drug DeliveryAlzheimer's disease research and treatmentsIntracerebral and Subarachnoid Hemorrhage Research

Multimodal Nanoprobes to Target Cerebrovascular Amyloid in Alzheimer’s Disease Brain

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Jaruszewski, Kristen M., Curran, Geoffry L., Swaminathan, Suresh K., Rosenberg, Jens T., Grant, Samuel C., Ramakrishnan, Subramanian, Lowe, Val J., Poduslo, Joseph F. +1 more·2014·Biomaterials

Abstract

Cerebral amyloid angiopathy (CAA) results from the accumulation of Aβ proteins primarily within the media and adventitia of small arteries and capillaries of the cortex and leptomeninges. CAA affects a majority of Alzheimer's disease (AD) patients and is associated with a rapid decline in cognitive reserve. Unfortunately, there is no pre-mortem diagnosis available for CAA. Furthermore, treatment options are few and relatively ineffective. To combat this issue, we have designed nanovehicles (nanoparticles-IgG4.1) capable of targeting cerebrovascular amyloid (CVA) and serving as early diagnostic and therapeutic agents. These nanovehicles were loaded with Gadolinium (Gd) based (Magnevist(®)) magnetic resonance imaging contrast agents or single photon emission computed tomography (SPECT) agents, such as (125)I. In addition, the nanovehicles carry either anti-inflammatory and anti-amyloidogenic agents such as curcumin or immunosuppressants such as dexamethasone, which were previously shown to reduce cerebrovascular inflammation. Owing to the anti-amyloid antibody (IgG4.1) grafted on the surface, the nanovehicles are capable of specifically targeting CVA deposits. The nanovehicles effectively marginate from the blood flow to the vascular wall as determined by using quartz crystal microbalance with dissipation monitoring (QCM-D) technology. They demonstrate excellent distribution to the brain vasculature and target CVA, thus providing MRI and SPECT contrast specific to the CVA in the brain. In addition, they also display the potential to carry therapeutic agents to reduce cerebrovascular inflammation associated with CAA, which is believed to trigger hemorrhage in CAA patients.

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Crossref · 10.1016/j.biomaterials.2013.10.075

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  • The most common targeting approach is conjugation of Nps with antibodies or their fragments specific to various forms of Aβ.

    “The most common approach is the conjugation of Nps with antibodies or their fragments specific to various forms of Aβ [63,70,71,81].”

    From Theranostic Nanoplatforms for Alzheimer's Disease: A Critical Analysis of Conceptual Contradictions (2026) · cites this paper as [71]

    Materials and methods (§2.4) describes covalently conjugating the anti-Aβ antibody IgG4.1 to nanoparticles, and Results (§3.1) reports increased binding to DutchAβ40. The paper supports this as an example of antibody-based targeting, but does not establish that it is the most common approach or document the broader claim about antibody fragments targeting various forms of Aβ. Page numbers were not available in our copy. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • Oxidative stress and neuroinflammation rank as key secondary targets (10 studies), with Nps incorporating antioxidants or immunosuppressants.

    “Oxidative stress and neuroinflammation rank as key secondary targets (10 studies), with Nps incorporating antioxidants (CeNCs, tannic acid, curcumin, quercetin) or immunosuppressants (dexamethasone, cyclophosphamide) to prevent neuronal death and attenuate inflammation [58,70,71,78].”

    From Theranostic Nanoplatforms for Alzheimer's Disease: A Critical Analysis of Conceptual Contradictions (2026) · cites this paper as [71]

    The Results (section 3.1; page unavailable) report nanovehicles encapsulating curcumin and dexamethasone. The Discussion (section 4; page unavailable) describes curcumin’s antioxidant and anti-inflammatory properties and proposes reducing inflammation through targeted delivery. This paper does not establish the count of 10 studies or address the other listed compounds or prevention of neuronal death. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Many theranostic systems represent parallel function combinations within single particles, where diagnostics and therapy operate independently.

    “Many represent parallel function combinations within single particles, where diagnostics and therapy operate independently [70,71,74].”

    From Theranostic Nanoplatforms for Alzheimer's Disease: A Critical Analysis of Conceptual Contradictions (2026) · cites this paper as [71]

    The Conclusions describe nanovehicles that provide MRI and SPECT contrast and can carry therapeutic agents, supporting their use as single-particle combinations of diagnostic and potential therapeutic functions. The paper does not establish that diagnostics and therapy operate independently or that this arrangement characterizes many theranostic systems; therapeutic benefit was not demonstrated. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • A number of studies employ multimodal approaches, combining MRI with PET, SPECT, or fluorescence imaging, which compensates for the limitations of each method individually.

    “A number of studies employ multimodal approaches, combining MRI with PET [64], SPECT [70,71], or fluorescence imaging [72,75], which compensates for the limitations of each method individually.”
  • A significant portion of studies use MRI with contrast agents based on gadolinium, SPIONs, or manganese ions, reflecting the researchers' desire to create platforms potentially applicable in clinical practice.

    “A significant portion of the studies use MRI with contrast agents based on gadolinium [70,71], SPIONs [58,63,73,83], or manganese ions [72], reflecting the researchers’ desire to create platforms potentially applicable in clinical practice.”

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Authors
Jaruszewski, K. M., Curran, G. L., Swaminathan, S. K., Rosenberg, J. T., Grant, S. C., Ramakrishnan, S., Lowe, V. J., Poduslo, J. F., & Kandimalla, K. K.
Affiliations
  • Mayo Clinic (US)
  • University of Minnesota (US)
  • Florida State University (US)
Corresponding author
Kandimalla, Karunya K.
Venue
Biomaterials
Publisher
Elsevier BV
Published
2014-02
Volume
35
Issue
6
Pages
1967-1976
ISSN
0142-9612 (ISSN-L)
OpenAlex
W2083953683
Cited by
64
References
26
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2023: 9 · 2022: 3 · 2021: 6 · 2020: 13 · 2019: 4 · 2018: 4 · 2017: 5 · 2016: 6 · 2015: 6 · 2014: 3
FWCI
1.91
Type
journal article
Language
en
Open access
Locations
  • Biomaterials (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Center for Research Resources (G12RR003020)
  • National Institute on Minority Health and Health Disparities (P20MD006738, G12MD007582)
Topics
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Neurology › Intracerebral and Subarachnoid Hemorrhage Research
Keywords
cerebral amyloid angiopathy, Alzheimer's disease, cerebrovascular amyloid, gadolinium-based contrast agents, SPECT imaging agents, curcumin, dexamethasone, anti-inflammatory therapy, cerebrovascular inflammation, hemorrhagic stroke, targeted drug delivery
MeSH terms
Alzheimer Disease, Animals, Brain, Cell Line, Humans, Magnetic Resonance Imaging, Tomography, Emission-Computed, Single-Photon, Cerebral Amyloid Angiopathy, Chitosan, Mice, Plaque, Amyloid

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