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Impaired expression of metallothioneins contributes to allergen-induced inflammation in patients with atopic dermatitis

Impaired expression of metallothioneins contributes to allergen-induced inflammation in patients with atopic dermatitis
Impaired expression of metallothioneins contributes to allergen-induced inflammation in patients with atopic dermatitis
Regulation of cutaneous immunity is severely compromised in inflammatory skin disease. To investigate the molecular crosstalk underpinning tolerance versus inflammation in atopic dermatitis, we utilise a human in vivo allergen challenge study, exposing atopic dermatitis patients to house dust mite. Here we analyse transcriptional programmes at the population and single cell levels in parallel with immunophenotyping of cutaneous immunocytes revealed a distinct dichotomy in atopic dermatitis patient responsiveness to house dust mite challenge. Our study shows that reactivity to house dust mite was associated with high basal levels of TNF-expressing cutaneous Th17 T cells, and documents the presence of hub structures where Langerhans cells and T cells co-localised. Mechanistically, we identify expression of metallothioneins and transcriptional programmes encoding antioxidant defences across all skin cell types, that appear to protect against allergen-induced inflammation. Furthermore, single nucleotide polymorphisms in the MTIX gene are associated with patients who did not react to house dust mite, opening up possibilities for therapeutic interventions modulating metallothionein expression in atopic dermatitis.
2041-1723
Sirvent, Sofia
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Vallejo, Andres S.
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Corden, Emma
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Teo, Ying
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Davies, James
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Clayton, Kalum
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Seaby, Eleanor G.
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Lai, Chester
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Ennis, Sarah
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Alyami, Rfeef
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Douilhet, Gemma
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Dean, Lareb S.N.
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Loxham, Matthew
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Horswill, Sarah
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Healy, Eugene
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Roberts, Graham
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Hall, Nigel J.
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Friedmann, Peter
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Singh, Harinder
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Bennett, Clare L.
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Ardern-Jones, Michael R.
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Polak, Marta E.
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Sirvent, Sofia
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Vallejo, Andres S.
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Corden, Emma
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Teo, Ying
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Davies, James
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Clayton, Kalum
499fec32-9297-45bd-9207-5ba699734844
Seaby, Eleanor G.
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Lai, Chester
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Ennis, Sarah
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Alyami, Rfeef
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Douilhet, Gemma
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Dean, Lareb S.N.
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Loxham, Matthew
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Horswill, Sarah
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Healy, Eugene
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Roberts, Graham
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Hall, Nigel J.
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Friedmann, Peter
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Singh, Harinder
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Bennett, Clare L.
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Ardern-Jones, Michael R.
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Polak, Marta E.
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Sirvent, Sofia, Vallejo, Andres S., Corden, Emma, Teo, Ying, Davies, James, Clayton, Kalum, Seaby, Eleanor G., Lai, Chester, Ennis, Sarah, Alyami, Rfeef, Douilhet, Gemma, Dean, Lareb S.N., Loxham, Matthew, Horswill, Sarah, Healy, Eugene, Roberts, Graham, Hall, Nigel J., Friedmann, Peter, Singh, Harinder, Bennett, Clare L., Ardern-Jones, Michael R. and Polak, Marta E. (2023) Impaired expression of metallothioneins contributes to allergen-induced inflammation in patients with atopic dermatitis. Nature Communications, 14 (1), [2880]. (doi:10.1038/s41467-023-38588-1).

Record type: Article

Abstract

Regulation of cutaneous immunity is severely compromised in inflammatory skin disease. To investigate the molecular crosstalk underpinning tolerance versus inflammation in atopic dermatitis, we utilise a human in vivo allergen challenge study, exposing atopic dermatitis patients to house dust mite. Here we analyse transcriptional programmes at the population and single cell levels in parallel with immunophenotyping of cutaneous immunocytes revealed a distinct dichotomy in atopic dermatitis patient responsiveness to house dust mite challenge. Our study shows that reactivity to house dust mite was associated with high basal levels of TNF-expressing cutaneous Th17 T cells, and documents the presence of hub structures where Langerhans cells and T cells co-localised. Mechanistically, we identify expression of metallothioneins and transcriptional programmes encoding antioxidant defences across all skin cell types, that appear to protect against allergen-induced inflammation. Furthermore, single nucleotide polymorphisms in the MTIX gene are associated with patients who did not react to house dust mite, opening up possibilities for therapeutic interventions modulating metallothionein expression in atopic dermatitis.

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Sirvent_Vallejo_Nat Comm_2021_main_R3 - Accepted Manuscript
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s41467-023-38588-1 - Accepted Manuscript
Available under License Creative Commons Attribution.
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Accepted/In Press date: 29 April 2023
e-pub ahead of print date: 19 May 2023
Published date: 19 May 2023
Additional Information: Funding Information: We acknowledge the use of the Iridis5 High-Performance Computing Facility and Flow Cytometry Core Facilities, together with support services at the University of Southampton. The authors wish to acknowledge Nikki Graham, Senior Technician within the DNA laboratory, Dr Carolann McGuire and Dr Richard Jewell from Flow Cytometry Core for technical support. We are grateful to the nurses and administrative staff at the Clinical Research Facility, NIHR, University Hospital Southampton NHS Foundation Trust. We express our deepest gratitude to the patients recruited to the study. This research was funded in whole by the Wellcome Trust [Sir Henry Dale Fellowship 109377/Z/15/Z, awarded to MEP]. The 10× Chromium Controller was funded by a Cancer Research UK Advanced Clinician Scientist Fellowship to Sean Hua Lim (A27179). For the purpose of open access, the author has applied a CC BY public copyright licence to any Author Accepted Manuscript version arising from this submission. ML is funded by a BBSRC David Phillips Fellowship [BB/V004573/1], LSND was supported by an NIHR Southampton BRC Research Fellowship. Funding Information: We acknowledge the use of the Iridis5 High-Performance Computing Facility and Flow Cytometry Core Facilities, together with support services at the University of Southampton. The authors wish to acknowledge Nikki Graham, Senior Technician within the DNA laboratory, Dr Carolann McGuire and Dr Richard Jewell from Flow Cytometry Core for technical support. We are grateful to the nurses and administrative staff at the Clinical Research Facility, NIHR, University Hospital Southampton NHS Foundation Trust. We express our deepest gratitude to the patients recruited to the study. This research was funded in whole by the Wellcome Trust [Sir Henry Dale Fellowship 109377/Z/15/Z, awarded to MEP]. The 10× Chromium Controller was funded by a Cancer Research UK Advanced Clinician Scientist Fellowship to Sean Hua Lim (A27179). For the purpose of open access, the author has applied a CC BY public copyright licence to any Author Accepted Manuscript version arising from this submission. ML is funded by a BBSRC David Phillips Fellowship [BB/V004573/1], LSND was supported by an NIHR Southampton BRC Research Fellowship. Publisher Copyright: © 2023, The Author(s).

Identifiers

Local EPrints ID: 477595
URI: http://eprints.soton.ac.uk/id/eprint/477595
ISSN: 2041-1723
PURE UUID: bc779fc7-91dd-474f-9d86-d8dfd027fedd
ORCID for Sofia Sirvent: ORCID iD orcid.org/0000-0003-0050-8579
ORCID for Andres S. Vallejo: ORCID iD orcid.org/0000-0002-4688-0598
ORCID for Kalum Clayton: ORCID iD orcid.org/0000-0002-1143-3931
ORCID for Sarah Ennis: ORCID iD orcid.org/0000-0003-2648-0869
ORCID for Gemma Douilhet: ORCID iD orcid.org/0000-0003-0681-6986
ORCID for Lareb S.N. Dean: ORCID iD orcid.org/0000-0002-8703-9236
ORCID for Matthew Loxham: ORCID iD orcid.org/0000-0001-6459-538X
ORCID for Graham Roberts: ORCID iD orcid.org/0000-0003-2252-1248
ORCID for Michael R. Ardern-Jones: ORCID iD orcid.org/0000-0003-1466-2016

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Date deposited: 09 Jun 2023 16:32
Last modified: 15 Aug 2024 02:13

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Contributors

Author: Sofia Sirvent ORCID iD
Author: Andres S. Vallejo ORCID iD
Author: Emma Corden
Author: Ying Teo
Author: James Davies
Author: Kalum Clayton ORCID iD
Author: Eleanor G. Seaby
Author: Chester Lai
Author: Sarah Ennis ORCID iD
Author: Rfeef Alyami
Author: Gemma Douilhet ORCID iD
Author: Lareb S.N. Dean ORCID iD
Author: Matthew Loxham ORCID iD
Author: Sarah Horswill
Author: Eugene Healy
Author: Graham Roberts ORCID iD
Author: Nigel J. Hall
Author: Peter Friedmann
Author: Harinder Singh
Author: Clare L. Bennett
Author: Marta E. Polak

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