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Related Concept Videos

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Related Experiment Video

Updated: Oct 4, 2025

Detecting Amyloid-&#946; Accumulation via Immunofluorescent Staining in a Mouse Model of Alzheimer's Disease
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Nutrient-sensing amyloid metastasis.

Luís Maurício T R Lima1,2, Tháyna Sisnande1

  • 1Laboratory for Pharmaceutical Biotechnology - pbiotech, Faculty of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil.

Biofactors (Oxford, England)
|February 7, 2022
PubMed
Summary
This summary is machine-generated.

Essential micronutrients, particularly transition metals, play a crucial role in regulating amyloid formation and related aging diseases. Metal dyshomeostasis can trigger amyloid processes, but dietary supplementation may offer therapeutic benefits.

Keywords:
amyloidcross-seedingmetalmetastasismicronutrients

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Area of Science:

  • Biochemistry and Molecular Biology
  • Neuroscience and Aging Research
  • Nutritional Science

Background:

  • Amyloids are protein aggregates implicated in aging-related degenerative diseases.
  • Non-genetic factors influencing amyloid diseases, especially micronutrients, are not well understood.
  • Transition metals are emerging as key regulators of amyloidogenic processes.

Purpose of the Study:

  • To explore the role of essential micronutrients, specifically transition metals, in regulating amyloid formation.
  • To investigate the direct and indirect mechanisms by which transition metals influence amyloidogenic pathways.
  • To examine the potential of metal homeostasis and dietary supplementation in managing amyloid-related conditions.

Main Methods:

  • Review of existing literature on transition metals, amyloid proteins, and associated diseases.
  • Analysis of direct metal-protein interactions and indirect regulatory effects on cellular pathways.
  • Evaluation of evidence for metal dyshomeostasis in disease pathogenesis and symptom amelioration via supplementation.

Main Results:

  • Transition metals directly bind to amyloid proteins and indirectly modulate processing enzymes and transporters.
  • Metal dyshomeostasis is linked to the initiation and progression of amyloidogenic processes.
  • Dietary supplementation with specific metals shows promise in ameliorating disease symptoms.

Conclusions:

  • Transition metals act as critical cofactors and regulators in amyloid pathways, suggesting an exaptative role.
  • Amyloidosis may function as a nutrient-sensing mechanism with epigenetic and metabolic programming implications.
  • The metastatic and self-replicating nature of amyloid processes highlights their complex role in health and evolution.