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Related Experiment Video

Updated: May 4, 2026

Imaging Approaches to Assessments of Toxicological Oxidative Stress Using Genetically-encoded Fluorogenic Sensors
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Imaging dynamic redox processes with genetically encoded probes.

Daria Ezeriņa1, Bruce Morgan1, Tobias P Dick1

  • 1Division of Redox Regulation, German Cancer Research Center (DKFZ), DKFZ-ZMBH Alliance, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany.

Journal of Molecular and Cellular Cardiology
|January 11, 2014
PubMed
Summary
This summary is machine-generated.

New fluorescent probes enable real-time study of redox signalling in cells, clarifying its role in cardiovascular health and disease. These tools improve understanding of how specific redox changes impact physiology and pathology.

Keywords:
Genetically encoded redox probesHydrogen peroxideSuperoxidecpYFProGFP

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Area of Science:

  • Physiology
  • Biochemistry
  • Cell Biology

Background:

  • Redox signalling is crucial for cardiovascular physiology but its pathological links are often unclear.
  • Studying redox processes is challenging due to the need for specific tools with high spatiotemporal resolution.
  • Perturbed redox regulation is linked to various diseases, necessitating better research methods.

Purpose of the Study:

  • To review genetically encoded fluorescent redox probes for studying cellular redox signalling.
  • To discuss the sensitivity, specificity, and current limitations of existing probes.
  • To outline future directions for probe development and imaging methodologies.

Main Methods:

  • Review of genetically encoded fluorescent redox probes.
  • Analysis of probe sensitivity and specificity.
  • Discussion of imaging methodologies for redox studies.

Main Results:

  • Genetically encoded probes offer dynamic, real-time measurements of redox species with subcellular resolution.
  • Current probes vary in sensitivity and specificity, with some existing controversies.
  • Advancements in imaging and probe design are crucial for future research.

Conclusions:

  • Genetically encoded redox probes are powerful tools for investigating redox signalling in living cells.
  • Further development is needed to address current limitations and enhance probe capabilities.
  • Improved tools will advance our understanding of redox roles in physiology and disease, particularly in the cardiovascular system.