Oxidative protein folding in the secretory pathway and redox signaling across compartments and cells

É V. Margittai, Roberto Sitia

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

The endoplasmic reticulum (ER) is central for many essential cellular activities, such as folding, assembly and quality control of secretory and membrane proteins, disulfide bond formation, glycosylation, lipid biosynthesis, Ca2+ storage and signaling. In addition, this multifunctional organelle integrates many adaptive and/or maladaptive signaling cues reporting on metabolism, proteostasis, Ca2+ and redox homeostasis. We are beginning to understand how these functions and pathways are integrated with one another to regulate homeostasis at cell, tissue and organism levels. The mechanisms underlying the introduction of the proper set of disulfide bonds into secretory proteins (oxidative folding) are strictly related to redox homeostasis, ER stress sensing and signaling and provide a good example of the integration systems operative in the early secretory compartment.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalTraffic
Volume12
Issue number1
DOIs
Publication statusPublished - Jan 2011

Fingerprint

Protein folding
Secretory Pathway
Protein Folding
Oxidation-Reduction
Homeostasis
Disulfides
Systems Integration
Glycosylation
Endoplasmic Reticulum Stress
Biosynthesis
Metabolism
Endoplasmic Reticulum
Quality Control
Organelles
Cues
Quality control
Membrane Proteins
Tissue
Lipids
Proteins

Keywords

  • Endoplasmic reticulum
  • Glutathione
  • Hydrogen peroxide
  • Oxidative folding
  • Protein quality control

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology
  • Structural Biology
  • Molecular Biology
  • Genetics

Cite this

Oxidative protein folding in the secretory pathway and redox signaling across compartments and cells. / Margittai, É V.; Sitia, Roberto.

In: Traffic, Vol. 12, No. 1, 01.2011, p. 1-8.

Research output: Contribution to journalArticle

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