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Protein Dynamics in Living Cells

Protein Dynamics in Living Cells

Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...

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Related Experiment Video

Updated: Mar 16, 2026

Visualizing Protein Kinase A Activity In Head-fixed Behaving Mice Using In Vivo Two-photon Fluorescence Lifetime Imaging Microscopy

Visualizing Protein Kinase A Activity In Head-fixed Behaving Mice Using In Vivo Two-photon Fluorescence Lifetime Imaging Microscopy

Published on: June 7, 2019

Untangling tau imaging.

Victor L Villemagne¹, Nobuyuki Okamura², Christopher C Rowe³

¹Department of Molecular Imaging & Therapy, Centre for PET, Austin Health, Melbourne, Australia; The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, Australia; Department of Medicine, The University of Melbourne, Melbourne, Australia.

Alzheimer'S & Dementia (Amsterdam, Netherlands)

|August 5, 2016

Summary

This summary is machine-generated.

In vivo tau imaging enhances understanding of tauopathies like Alzheimer's disease. This technique aids diagnosis, prognosis, and monitoring of therapeutic trials for neurodegenerative conditions.

Keywords:

Alzheimer's disease Dementia PET Positron emission tomography Tau imaging Tauopathies

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Published on: April 17, 2017

Area of Science:

Neuroimaging
Neuropathology
Biomarker Development

Background:

Tauopathies, including Alzheimer's disease, are characterized by abnormal tau protein aggregation in the brain.
Understanding the spatiotemporal dynamics of tau deposition is crucial for disease elucidation.
Current diagnostic and monitoring methods for tauopathies have limitations.

Purpose of the Study:

To highlight the utility of in vivo tau imaging in understanding tauopathies.
To explore the potential of tau imaging as a diagnostic, prognostic, and theranostic biomarker.
To assess the role of tau imaging in monitoring therapeutic interventions.

Main Methods:

In vivo imaging techniques (e.g., PET scans with tau-specific tracers) are employed.
Longitudinal assessment of tau deposition in the brain is performed.
Correlation of tau imaging findings with clinical variables (cognition, genotype, neurodegeneration) is analyzed.

Main Results:

In vivo tau imaging provides insights into the temporal and spatial progression of tau pathology.
Preliminary human studies indicate tau imaging's potential as a diagnostic and prognostic tool.
Tau imaging may serve as a surrogate marker for assessing treatment efficacy in clinical trials.

Conclusions:

In vivo tau imaging is a powerful tool for advancing the understanding and management of tauopathies.
Tau imaging holds significant promise as a multimodal biomarker for clinical applications.
Further research is warranted to fully integrate tau imaging into the clinical workflow for neurodegenerative diseases.