Evidence map›Paper›PMID 28062922›Full record

ArticleDiabetologia2017

Interferon-α mediates human beta cell HLA class I overexpression, endoplasmic reticulum stress and apoptosis, three hallmarks of early human type 1 diabetes.

Laura Marroqui, Reinaldo S Dos Santos, Anne Op de Beeck, Alexandra Coomans de Brachène, Lorella Marselli, Piero Marchetti, Decio L Eizirik

Open access · bronzeAbstract read
PubMed Publisher
In one paragraph

Article in Diabetologia, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 146 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
146citing papers in PubMed, 2 pooled it
13.4field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

146 citing papers in PubMed, 2 syntheses or guidelines pooled it, 192 citations in OpenAlex.

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86 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 2 countries.

Laura MarroquiULB Center for Diabetes Research, Campus Erasme, Université Libre de Bruxelles, Route de Lennik, 808-CP618, B-1070, Brussels, Belgium. lmarroqu@ulb.ac.be.
Reinaldo S Dos SantosULB Center for Diabetes Research, Campus Erasme, Université Libre de Bruxelles, Route de Lennik, 808-CP618, B-1070, Brussels, Belgium.
Anne Op de BeeckULB Center for Diabetes Research, Campus Erasme, Université Libre de Bruxelles, Route de Lennik, 808-CP618, B-1070, Brussels, Belgium.
Alexandra Coomans de BrachèneULB Center for Diabetes Research, Campus Erasme, Université Libre de Bruxelles, Route de Lennik, 808-CP618, B-1070, Brussels, Belgium.
Lorella MarselliDepartment of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
Piero MarchettiDepartment of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
Decio L EizirikULB Center for Diabetes Research, Campus Erasme, Université Libre de Bruxelles, Route de Lennik, 808-CP618, B-1070, Brussels, Belgium. deizirik@ulb.ac.be.
Université Libre de Bruxelles · BEUniversity of Pisa · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aims/hypothesisThree hallmarks of the pancreatic islets in early human type 1 diabetes are overexpression of HLA class I, endoplasmic reticulum (ER) stress and beta cell apoptosis. The mediators of these phenomena remain to be defined. The type I interferon IFNα is expressed in human islets from type 1 diabetes patients and mediates HLA class I overexpression. We presently evaluated the mechanisms involved in IFNα-induced HLA class I expression in human beta cells and determined whether this cytokine contributes to ER stress and apoptosis.

methodsIFNα-induced inflammation, ER stress and apoptosis were evaluated by RT-PCR, western blot, immunofluorescence and nuclear dyes, and proteins involved in type I interferon signalling were inhibited by small interfering RNAs. All experiments were performed in human islets or human EndoC-βH1 cells.

resultsIFNα upregulates HLA class I, inflammation and ER stress markers in human beta cells via activation of the candidate gene TYK2, and the transcription factors signal transducer and activator of transcription 2 and IFN regulatory factor 9. Furthermore, it acts synergistically with IL-1β to induce beta cell apoptosis. CONCLUSIONS/

interpretationThe innate immune effects induced by IFNα may induce and amplify the adaptive immune response against human beta cells, indicating that IFNα has a central role in the early phases of diabetes.

Indexed as

ApoptosisBlotting, WesternCell LineCell SurvivalDiabetes Mellitus, Type 1Endoplasmic Reticulum StressFlow CytometryFluorescent Antibody TechniqueHistocompatibility Antigens Class IHumansInsulin-Secreting CellsInterferon-alphaInterleukin-1betaReal-Time Polymerase Chain ReactionRNA InterferenceSignal TransductionHistocompatibility Antigens Class IInterferon-alphaInterleukin-1betaTranscription FactorsApoptosisER stressIFNαMHC class IPancreatic beta cellsPancreatic isletsType 1 diabetesType I IFN signalling

Identifiers

PMID28062922
OpenAlexW2570554925

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.