Variable Clinical Phenotypes and Relation of Interferon Signature with Disease Activity in ADA2 Deficiency

Antonella Insalaco, Gian Marco Moneta, Manuela Pardeo, Ivan Caiello, Virginia Messia, Claudia Bracaglia, Chiara Passarelli, Fabrizio De Benedetti

Research output: Contribution to journalArticlepeer-review

Abstract

OBJECTIVE: An upregulation of type I interferon (IFN) stimulated genes [IFN score (IS)] was described in patients with adenosine deaminase 2 deficiency (DADA2). We describe the clinical course of 5 such patients and the role of IS as a marker of disease activity and severity.

METHODS: Expression levels of IS were determined by quantitative real-time PCR.

RESULTS: Five white patients were identified as carrying CECR1 mutations. The IS before treatment was elevated in 4 out of 5 patients and decreased after treatment.

CONCLUSION: Our data confirm the high variability of DADA2 and suggest type I IS as a biomarker of disease activity.

Original languageEnglish
JournalJournal of Rheumatology
DOIs
Publication statusE-pub ahead of print - Jan 15 2019

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