Skip to main content
main-content

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Pediatric Rheumatology 1/2018

Prior to extension, Transcriptomes of fibroblast-like Synoviocytes from extended and Polyarticular juvenile idiopathic arthritis are indistinguishable

Zeitschrift:
Pediatric Rheumatology > Ausgabe 1/2018
Autoren:
AnneMarie C. Brescia, Megan M. Simonds, Suzanne M. McCahan, Kathleen E. Sullivan, Carlos D. Rose
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1186/​s12969-017-0217-6) contains supplementary material, which is available to authorized users.

Abstract

Background

Our intent was to identify differences between the transcriptome of fibroblast-like synoviocytes (FLS) in oligoarticular juvenile idiopathic arthritis (JIA) before extension when compared to persistent subtype of JIA, when the two are clinically indistinguishable. Additionally, we sought to determine if differences between the transcriptomes of FLS from extended-to-be and polyarticular course JIA could be detected. Our hypothesis was that intrinsic differences in the transcriptome of the FLS from extended-to-be JIA would distinguish them from persistent oligoarticular JIA, before the course is clinically apparent.

Methods

Global gene expression was defined in cultured FLS from 6 controls, 12 JIA with persistent course, 7 JIA prior to extension (extended-to-be), 4 JIA with extended course and 6 polyarticular onset, using Affymetrix Human GeneChips 133plus2.0.

Results

Bioconductor Linear Models for Microarray Analysis revealed 22 probesets with differential expression between persistent and extended-to-be FLS at 15% FDR, however only 2 probesets distinguished extended-to-be from extended and none distinguished extended-to-be and polyarticular at 15% FDR. Differences in extended and polyarticular gene expression profiles were not detected. Confirmation of select genes was done on the RNA level by RT-qPCR and on the protein level in synovial fluid by ELISA.

Conclusions

The transcriptome of FLS from extended-to-be juvenile idiopathic arthritis is distinct from persistent course before a clinical distinction can be made. Additionally, the transcriptome of extended-to-be and polyarticular course, including those who have already extended, are indistinguishable. These gene expression data suggest that FLS already reflect a polyarticular behavior early in disease course, suggesting that extended-to-be may be “latent polyarticular” at onset. These differences can be used to develop early biomarkers of disease course, allowing for better-informed treatment decisions.
Zusatzmaterial
Additional file 1: Clinical Table (XLSX 41 kb)
12969_2017_217_MOESM1_ESM.xlsx
Additional file 2: FDR_results_table (XLSX 11 kb)
12969_2017_217_MOESM2_ESM.xlsx
Literatur
Über diesen Artikel

Weitere Artikel der Ausgabe 1/2018

Pediatric Rheumatology 1/2018 Zur Ausgabe

Neu im Fachgebiet Pädiatrie

Meistgelesene Bücher aus dem Fachgebiet

2014 | Buch

Pädiatrische Notfall- und Intensivmedizin

Wenn es um pädiatrische Notfälle auf Station oder um schwerst kranke Kinder auf der Intensivstation geht, ist dieses Buch ein verlässlicher Begleiter. Übersichtlich nach Organen eingeteilt, enthält das Kitteltaschenbuch sämtliche essenziellen Themen der Kinderintensivmedizin, von kardiozirkulatorischen bis infektiologischen Erkrankungen.

Autor:
Prof. Dr. Thomas Nicolai

2015 | Buch

Häufige Hautkrankheiten im Kindesalter

Klinik - Diagnose - Therapie

Das Buch bietet für die 30 häufigsten Hauterkrankungen bei Kindern einen Diagnose- und Behandlungsfahrplan: Für jede Erkrankung gibt es präzise Texte, zahlreiche typische klinische Farbfotos sowie Tabellen zu Differentialdiagnosen und zum therapeutischen Prozedere. Für alle Ärzte, die Kinder mit Hauterkrankungen behandeln! 

Herausgeber:
Dietrich Abeck, Hansjörg Cremer