J 2019

Neutrophils Are Dysregulated in Patients with Hereditary Angioedema Types I and II in a Symptom-Free Period

GRYMOVÁ, Tereza, Marcela VLKOVÁ, Přemysl SOUČEK, Roman HAKL, Jana NECHVÁTALOVÁ et. al.

Basic information

Original name

Neutrophils Are Dysregulated in Patients with Hereditary Angioedema Types I and II in a Symptom-Free Period

Authors

GRYMOVÁ, Tereza (203 Czech Republic, belonging to the institution), Marcela VLKOVÁ (203 Czech Republic, belonging to the institution), Přemysl SOUČEK (203 Czech Republic, belonging to the institution), Roman HAKL (203 Czech Republic, belonging to the institution), Jana NECHVÁTALOVÁ (203 Czech Republic, belonging to the institution), Peter SLANINA (703 Slovakia, belonging to the institution), Julie ŠTÍCHOVÁ (203 Czech Republic, belonging to the institution), Jiří LITZMAN (203 Czech Republic, belonging to the institution) and Tomáš FREIBERGER (203 Czech Republic, guarantor, belonging to the institution)

Edition

Mediators of Inflammation, New York, Hindawi Publishing Corporation, 2019, 0962-9351

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

30102 Immunology

Country of publisher

United Kingdom of Great Britain and Northern Ireland

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 3.758

RIV identification code

RIV/00216224:14110/19:00108490

Organization unit

Faculty of Medicine

UT WoS

000470179800001

Keywords in English

Neutrophils

Tags

International impact, Reviewed
Změněno: 9/3/2020 09:25, Mgr. Pavla Foltynová, Ph.D.

Abstract

V originále

Neutrophils impact on processes preceding the formation of bradykinin, a major swelling mediator in hereditary angioedema (HAE), yet their potential role in HAE pathogenesis has not been sufficiently studied. We assessed the relative mRNA expression of 10 genes related to neutrophil activation using RNA extracted from the peripheral blood neutrophils of 23 HAE patients in a symptom-free period and 39 healthy donors. Increased relative mRNA expression levels of CD274, IL1B, IL1RN, IL8, MMP9, and TLR4, together with a lack in their mutual correlations detected in HAE patients compared to healthy controls, suggested a preactivated state and dysregulation of patients' neutrophils. Patients' neutrophil-alerted state was further supported by increased CD11b, decreased CD16 plasma membrane deposition, and increased relative CD274(+) and CD87(+) neutrophil counts, but not by increased neutrophil elastase or myeloperoxidase plasma levels. As CD274 mediates inhibitory signals to different immune cells, neutrophils were cocultured with T-cells/PBMC. The decrease in CD25(+) and IFN-(+) T-cell/PBMC ratio in patients indicated the patients' neutrophil suppressive functions. In summary, the results showed neutrophils' alerted state and dysregulation at the transcript level in patients with HAE types I and II even in a symptom-free period, which might make them more susceptible to edema formation. Neutrophils' T-cell suppressive capacity in HAE patients needs to be further investigated.

Links

MUNI/A/0925/2017, interní kód MU
Name: Poruchy tvorby protilátek a komplementového systému
Investor: Masaryk University, Category A
NV15-28732A, research and development project
Name: Vliv granulocytů a monocytů na vznik a rozvoj imunodeficitních chorob a dalších imunopatologických dějů
NV18-05-00330, research and development project
Name: Genetická determinace závažnosti otoků podmíněných bradykininem u pacientů s hereditárním angioedémem
Investor: Ministry of Health of the CR, Genetic determination of bradykinin-mediated angioedema severity in patients with hereditary angioedema