Cited by 504Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsNeurological Disease Mechanisms and Treatments

Neuroinflammation in the pathogenesis of Alzheimer’s disease. A rational framework for the search of novel therapeutic approaches

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Morales, Inelia, Guzmán-Martínez, Leonardo, Cerda-Troncoso, Cristóbal, Farías, Gonzalo A., Maccioni, Ricardo B.·2014·Frontiers in Cellular Neuroscience

Abstract

Alzheimer disease (AD) is the most common cause of dementia in people over 60 years old. The molecular and cellular alterations that trigger this disease are still diffuse, one of the reasons for the delay in finding an effective treatment. In the search for new targets to search for novel therapeutic avenues, clinical studies in patients who used anti-inflammatory drugs indicating a lower incidence of AD have been of value to support the neuroinflammatory hypothesis of the neurodegenerative processes and the role of innate immunity in this disease. Neuroinflammation appears to occur as a consequence of a series of damage signals, including trauma, infection, oxidative agents, redox iron, oligomers of τ and β-amyloid, etc. In this context, our theory of Neuroimmunomodulation focus on the link between neuronal damage and brain inflammatory process, mediated by the progressive activation of astrocytes and microglial cells with the consequent overproduction of proinflammatory agents. Here, we discuss about the role of microglial and astrocytic cells, the principal agents in neuroinflammation process, in the development of neurodegenerative diseases such as AD. In this context, we also evaluated the potential relevance of natural anti-inflammatory components, which include curcumin and the novel Andean Compound, as agents for AD prevention and as a coadjuvant for AD treatments.

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Crossref · 10.3389/fncel.2014.00112

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  • It remains unclear whether microglial activation is a primary triggering mechanism or merely a consequence of protein aggregate accumulation.

    “it remains unclear whether microglial activation is a primary triggering mechanism or merely a consequence of protein aggregate accumulation [60]”

    From Theranostic Nanoplatforms for Alzheimer's Disease: A Critical Analysis of Conceptual Contradictions (2026) · cites this paper as [60]

    The Microglial cell section (page unavailable) describes a feedback loop: tau aggregates activate microglia, while activated microglia contribute to neuronal death and further aggregate release. This supports a complex relationship, but the paper does not explicitly say that which process comes first remains unclear, and it does not characterize microglial activation as merely a consequence of aggregate accumulation. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • In Alzheimer's disease, neuroinflammation is primarily thought to be a consequence of a series of damage signals including trauma, oxidation, oligomers of Aβ and tau, and more.

    “In Alzheimer’s disease, neuroinflammation is primarily thought to be a consequence of a series of damage signals including trauma, oxidation, oligomers of Aβ and tau, and more [67].”

    From Age, sex and Alzheimer’s disease: a longitudinal study of 3xTg-AD mice reveals sex-specific disease trajectories and inflammatory responses mirrored in postmortem brains from Alzheimer’s patients (2024) · cites this paper as [67]

    The Neuroinflammation section describes inflammation as generally secondary to an initial event such as trauma, and the Microglial cell section says Aβ protofibrils and pathological tau aggregates can activate microglia. The paper does not clearly identify oxidation as an initiating damage signal; its Neuroinflammation table instead lists oxidative stress as an effect of inflammatory products. No page numbers are available in our copy. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Pro-inflammatory cytokines and chemokines secreted into the immediate neurological environment accelerate neuronal injury and eventually neuron death.

    “Pro-inflammatory cytokines and chemokines secreted into the immediate neurological environment accelerate neuronal injury and eventually neuron death (Aktas et al., 2007; Heckmann et al., 2018; Morales et al.,2014).”

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Authors
Morales, I., Guzmán-Martínez, L., Cerda-Troncoso, C., Farías, G. A., & Maccioni, R. B.
Affiliations
University of Chile (CL)
Corresponding author
Maccioni, Ricardo B.
Venue
Frontiers in Cellular Neuroscience
Published
2014-04-22
Volume
8
Pages
112-112
ISSN
1662-5102 (ISSN-L)
OpenAlex
W2109984042
Cited by
490
References
85
Citations by year
2026: 13 · 2025: 26 · 2024: 43 · 2023: 38 · 2022: 45 · 2021: 40 · 2020: 50 · 2019: 48 · 2018: 45 · 2017: 50 · 2016: 25 · 2015: 50 · 2014: 14 · 2012: 1
FWCI
3.75
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Cellular Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Americanae (AECID Library) (publishedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, other-oa)
  • Universidad de Chile (submittedVersion, cc-by-nc-nd)
Funders
Corporación de Fomento de la Producción
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neurological Disease Mechanisms and Treatments
Keywords
Alzheimer's disease, neuroinflammation, neuroimmunomodulation, microglia, astrocytes, innate immunity, anti-inflammatory agents, tau oligomers, amyloid-beta, oxidative stress, iron, curcumin, neurodegeneration, therapeutic target

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