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Related Concept Videos

Redox Reactions01:24

Redox Reactions

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Oxidation-reduction or redox reactions involve the transfer of electrons from one molecule or atom to another. When an atom gains an electron, another atom must lose an electron, meaning oxidation and reduction must occur together. Since the redox occurs in pairs, the atom that gets oxidized is also called the reducing agent or reductant, and the atom that is reduced is also called the oxidizing agent or oxidant. A straightforward way to remember the definitions of oxidation and reduction is...
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Resin-Assisted Capture Coupled with Isobaric Tandem Mass Tag Labeling for Multiplexed Quantification of Protein Thiol Oxidation
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Thiol-based redox proteomics in cancer research.

Kefei Yuan1, Yuan Liu, Hai-Ning Chen

  • 1The State Key Laboratory for Biotherapy, West China Hospital, Sichuan University, Chengdu, P. R. China.

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|September 25, 2014
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Cancer cells rely on reactive oxygen species (ROS) for survival, with altered ROS levels impacting cell signaling. Understanding redox-sensitive proteins is key for developing new cancer therapies.

Keywords:
BiomedicineCancer biomarkersComparative proteomicsMass spectrometryQxidative stressSignal transduction

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Area of Science:

  • Biochemistry and Molecular Biology
  • Cancer Research
  • Proteomics

Background:

  • Cancer cells meticulously control intracellular reactive oxygen species (ROS) concentrations essential for their survival and proliferation.
  • ROS act as critical signaling molecules, regulating cellular functions through the redox modification of specific proteins known as redox sensors.
  • Oxidative stress induces redox modifications in these sensors, altering their allosteric structure and biological functions.

Purpose of the Study:

  • To review recent high-throughput proteomics methodologies for screening redox processes.
  • To discuss key redox sensors implicated in cancer development and progression.
  • To highlight the importance of understanding altered redox sensor functions for novel cancer therapeutic strategies.

Main Methods:

  • Review of recently developed high-throughput proteomics approaches.
  • Analysis of literature on redox-sensitive proteins and their roles in cancer.
  • Identification and discussion of significant redox sensors involved in cancer biology.

Main Results:

  • High-throughput proteomics offers powerful tools for investigating complex redox signaling pathways.
  • Several critical redox sensors have been identified as potential targets in cancer.
  • Understanding the functional alterations of these sensors under oxidative stress provides insights into cancer mechanisms.

Conclusions:

  • Elucidating the mechanisms of redox sensor regulation in cancer is crucial for advancing therapeutic interventions.
  • Proteomics-based screening methods are instrumental in identifying and characterizing novel cancer-related redox players.
  • Targeting altered redox sensor functions represents a promising avenue for developing innovative cancer treatments.