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Related Experiment Video

Updated: Sep 21, 2025

Detecting Amyloid-β Accumulation via Immunofluorescent Staining in a Mouse Model of Alzheimer's Disease
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Interrogating amyloid aggregation with aggregation-induced emission fluorescence probes.

Yabin Zhou1, Jin Hua2, Dan Ding3

  • 1School of Biological Engineering, Sichuan University of Science and Engineering (SUSE), Sichuan, 644000, China; Medical Device Research Institute, Institute for NanoScale Science and Technology, College of Science and Engineering, Flinders University, South Australia, 5042, Australia; Liquor Making Biotechnology and Application Key Laboratory of Sichuan Province, Yibin, 644000, Sichuan, China.

Biomaterials
|June 2, 2022
PubMed
Summary
This summary is machine-generated.

Aggregation-induced emission (AIE) probes offer a novel approach to studying amyloid fibrils, overcoming limitations of traditional probes. These AIE probes are crucial for understanding neurodegenerative diseases like Alzheimer's and Parkinson's.

Keywords:
Aggregation induced emissionAmyloid fibrilsDetectionMonitoringTherapeutic interventions

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Last Updated: Sep 21, 2025

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Neuroscience

Background:

  • Amyloid fibrils, formed by misfolded proteins, are implicated in neurodegenerative diseases.
  • Understanding amyloid fibril formation and its link to disease pathogenesis remains a challenge.
  • Traditional fluorescence probes like thioflavin-T have limitations, such as aggregation-caused quenching.

Purpose of the Study:

  • To review the design, properties, and applications of aggregation-induced emission (AIE) fluorescence probes in amyloid fibril research.
  • To highlight how AIE probes overcome limitations of conventional probes for studying amyloid aggregates.
  • To discuss the utility of AIE probes in detecting amyloid fibrils, elucidating their structure, and monitoring formation dynamics.

Main Methods:

  • Focuses on a mini-review of existing literature on AIE fluorescence probes for amyloid studies.
  • Discusses the principles of aggregation-induced emission (AIE) and its advantages over traditional probes.
  • Examines the application of AIE probes in various aspects of amyloid research, including detection and structural analysis.

Main Results:

  • AIE fluorescence probes are non-emissive in solution but intensely fluorescent upon aggregation.
  • AIE probes effectively detect amyloid fibrils and analyze their structures without aggregation-caused quenching.
  • These probes are valuable tools for studying amyloid formation dynamics and evaluating therapeutic interventions.

Conclusions:

  • AIE fluorescence probes represent a significant advancement in the study of amyloid fibrils and related neurodegenerative diseases.
  • Their unique properties enable more sensitive and accurate investigations into amyloid aggregation.
  • AIE probes hold promise for advancing our understanding and treatment of diseases like Alzheimer's and Parkinson's.