Neutrophils in STAT1 Gain-Of-Function Have a Pro-inflammatory Signature Which Is Not Rescued by JAK Inhibition

© 2023. The Author(s)..

STAT1 gain-of-function (GOF) mutations cause an inborn error of immunity with diverse phenotype ranging from chronic mucocutaneous candidiasis (CMC) to various non-infectious manifestations, the most precarious of which are autoimmunity and vascular complications. The pathogenesis centers around Th17 failure but is far from being understood. We hypothesized that neutrophils, whose functions have not been explored in the context of STAT1 GOF CMC yet, might be involved in the associated immunodysregulatory and vascular pathology. In a cohort of ten patients, we demonstrate that STAT1 GOF human ex-vivo peripheral blood neutrophils are immature and highly activated; have strong propensity for degranulation, NETosis, and platelet-neutrophil aggregation; and display marked inflammatory bias. STAT1 GOF neutrophils exhibit increased basal STAT1 phosphorylation and expression of IFN stimulated genes, but contrary to other immune cells, STAT1 GOF neutrophils do not display hyperphosphorylation of STAT1 molecule upon stimulation with IFNs. The patient treatment with JAKinib ruxolitinib does not ameliorate the observed neutrophil aberrations. To our knowledge, this is the first work describing features of peripheral neutrophils in STAT1 GOF CMC. The presented data suggest that neutrophils may contribute to the immune pathophysiology of the STAT1 GOF CMC.

Medienart:

E-Artikel

Erscheinungsjahr:

2023

Erschienen:

2023

Enthalten in:

Zur Gesamtaufnahme - volume:43

Enthalten in:

Journal of clinical immunology - 43(2023), 7 vom: 26. Okt., Seite 1640-1659

Sprache:

Englisch

Beteiligte Personen:

Parackova, Zuzana [VerfasserIn]
Vrabcova, Petra [VerfasserIn]
Zentsova, Irena [VerfasserIn]
Sediva, Anna [VerfasserIn]
Bloomfield, Marketa [VerfasserIn]

Links:

Volltext

Themen:

Autoimmunity
Candidiasis
Journal Article
Neutrophils
Platelets
Research Support, Non-U.S. Gov't
Ruxolitinib
STAT1 GOF
STAT1 Transcription Factor
STAT1 protein, human

Anmerkungen:

Date Completed 15.09.2023

Date Revised 22.09.2023

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1007/s10875-023-01528-1

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM358600472