Cited by 24Neutrophil, Myeloperoxidase and Oxidative MechanismsImmunodeficiency and Autoimmune DisordersRedox biology and oxidative stress

EROS is a selective chaperone regulating the phagocyte NADPH oxidase and purinergic signalling

Open access
Randzavola, Lyra O, Mortimer, Paige M, Garside, Emma, Dufficy, Elizabeth R, Schejtman, Andrea, Roumelioti, Georgia, Yu, Lu, Pardo, Mercedes +27 more·2022·eLife

Published version of a preprint

Abstract

EROS (essential for reactive oxygen species) protein is indispensable for expression of gp91 phox , the catalytic core of the phagocyte NADPH oxidase. EROS deficiency in humans is a novel cause of the severe immunodeficiency, chronic granulomatous disease, but its mechanism of action was unknown until now. We elucidate the role of EROS, showing it acts at the earliest stages of gp91 phox maturation. It binds the immature 58 kDa gp91 phox directly, preventing gp91 phox degradation and allowing glycosylation via the oligosaccharyltransferase machinery and the incorporation of the heme prosthetic groups essential for catalysis. EROS also regulates the purine receptors P2X7 and P2X1 through direct interactions, and P2X7 is almost absent in EROS-deficient mouse and human primary cells. Accordingly, lack of murine EROS results in markedly abnormal P2X7 signalling, inflammasome activation, and T cell responses. The loss of both ROS and P2X7 signalling leads to resistance to influenza infection in mice. Our work identifies EROS as a highly selective chaperone for key proteins in innate and adaptive immunity and a rheostat for immunity to infection. It has profound implications for our understanding of immune physiology, ROS dysregulation, and possibly gene therapy.

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Authors
Randzavola, L. O., Mortimer, P. M., Garside, E., Dufficy, E. R., Schejtman, A., Roumelioti, G., Yu, L., Pardo, M., Spirohn, K., Tolley, C., Brandt, C., Harcourt, K., Nichols, E., Nahorski, M., Woods, G., Williamson, J. C., Suresh, S., Sowerby, J. M., Matsumoto, M., Santos, C. X., Kiar, C. S., Mukhopadhyay, S., Rae, W. M., Dougan, G. J., Grainger, J., Lehner, P. J., Calderwood, M. A., Choudhary, J., Clare, S., Speak, A., Santilli, G., Bateman, A., Smith, K. G., Magnani, F., & Thomas, D. C.
Affiliations
  • Imperial College London (GB)
  • University of Cambridge (GB)
  • University College London (GB)
  • Institute of Cancer Research (GB)
  • Harvard University (US)
  • Wellcome Sanger Institute (GB)
  • Kyoto Prefectural University of Medicine (JP)
  • School of Cardiovascular Medicine and Sciences, James Black Centre, King's College London
  • King's College London (GB)
  • European Bioinformatics Institute (GB)
  • University of Pavia (IT)
Corresponding author
Thomas, David C
Venue
eLife
Published
2022-11-24
Volume
11
ISSN
2050-084X (ISSN-L)
OpenAlex
W4309862298
Cited by
24
References
14
Citations by year
2026: 5 · 2025: 3 · 2024: 8 · 2023: 4 · 2022: 4
FWCI
1.81
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (publishedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • UCL Discovery (University College London) (submittedVersion)
  • Spiral (Imperial College London) (submittedVersion, cc-by)
  • Apollo (University of Cambridge) (submittedVersion, cc-by)
  • Apollo (cc-by)
Funders
Wellcome Trust (206617/A/17/Z)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Neutrophil, Myeloperoxidase and Oxidative Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › Immunodeficiency and Autoimmune Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
eros, gp91phox, NADPH oxidase, molecular chaperones, chronic granulomatous disease, purinergic signaling, P2X7 receptor, P2X1 receptor, oligosaccharyltransferase, protein glycosylation, heme incorporation, inflammasome activation, T cell response, reactive oxygen species, innate immunity, adaptive immunity
MeSH terms
Animals, Granulomatous Disease, Chronic, Humans, Phagocytes, Signal Transduction, Reactive Oxygen Species, NADPH Oxidases, Mice

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