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Related Experiment Video

Updated: Jun 25, 2026

Quantitative Analysis of Mitochondria-Associated Endoplasmic Reticulum Membrane (MAM) Stabilization in a Neural Model of Alzheimer's Disease (AD)
06:41

Quantitative Analysis of Mitochondria-Associated Endoplasmic Reticulum Membrane (MAM) Stabilization in a Neural Model of Alzheimer's Disease (AD)

Published on: January 10, 2025

Label-Free Detection of Cellular Aβ Accumulation and Mitochondrial Dysfunction in AD Cell Models via Raman

Yusuke Mitsuoka1, Takeshi Morimoto1,2, Kazuki Bando3,4

  • 1Department of Ophthalmology, The University of Osaka Graduate School of Medicine, Suita, Osaka 565-0871, Japan.

Analytical Chemistry
|June 23, 2026
PubMed
Summary

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Raman microscopy offers a label-free method to observe Alzheimer's disease (AD) cell models, detecting amyloid beta (Aβ) and mitochondrial dysfunction simultaneously. This technique aids in understanding AD pathogenesis and accelerates drug development for Alzheimer's disease.

Area of Science:

  • Neuroscience
  • Biochemistry
  • Cell Biology

Background:

  • Alzheimer's disease (AD) involves amyloid beta (Aβ) accumulation and mitochondrial dysfunction, leading to neuronal apoptosis.
  • Current methods for studying AD cell models, like immunostaining, can be artifact-prone and require extensive sample manipulation.
  • A need exists for label-free techniques that allow observation of AD pathology in a more natural cellular state.

Purpose of the Study:

  • To develop and apply a label-free Raman microscopy method for simultaneous detection of Aβ and mitochondrial dysfunction in AD cell models.
  • To investigate the neurotoxic mechanisms of Aβ accumulation and its impact on cellular health.
  • To establish a rapid, label-free assay for evaluating the efficacy of Aβ inhibitors in drug development.

Main Methods:

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Quantitative 3D In Silico Modeling (q3DISM) of Cerebral Amyloid-beta Phagocytosis in Rodent Models of Alzheimer's Disease
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Quantitative 3D In Silico Modeling (q3DISM) of Cerebral Amyloid-beta Phagocytosis in Rodent Models of Alzheimer's Disease

Published on: December 26, 2016

Related Experiment Videos

Last Updated: Jun 25, 2026

Quantitative Analysis of Mitochondria-Associated Endoplasmic Reticulum Membrane (MAM) Stabilization in a Neural Model of Alzheimer's Disease (AD)
06:41

Quantitative Analysis of Mitochondria-Associated Endoplasmic Reticulum Membrane (MAM) Stabilization in a Neural Model of Alzheimer's Disease (AD)

Published on: January 10, 2025

Quantitative 3D In Silico Modeling (q3DISM) of Cerebral Amyloid-beta Phagocytosis in Rodent Models of Alzheimer's Disease
09:33

Quantitative 3D In Silico Modeling (q3DISM) of Cerebral Amyloid-beta Phagocytosis in Rodent Models of Alzheimer's Disease

Published on: December 26, 2016

  • Utilized Raman microscopy on Alzheimer's disease cell models.
  • Simultaneously detected intracellular Aβ accumulation and mitochondrial dysfunction by analyzing cytochrome distribution changes.
  • Employed a label-free approach to minimize sample manipulation and potential artifacts.

Main Results:

  • Successfully detected Aβ accumulation within AD cells using Raman microscopy.
  • Observed changes in cytochrome distribution, indicating associated mitochondrial dysfunction.
  • Demonstrated the capability of the label-free method to visualize AD pathology in a near-natural state.

Conclusions:

  • Raman microscopy provides a powerful label-free tool for studying Alzheimer's disease mechanisms at the cellular level.
  • This technique facilitates a deeper understanding of Aβ-induced neurotoxicity and mitochondrial damage.
  • The developed method offers a valuable platform for high-throughput screening and rapid evaluation of Alzheimer's disease therapeutics.