Alpha2B-Adrenergic Receptor Regulates Neutrophil Recruitment in MSU-Induced Peritoneal Inflammation

Lihua Duan, Jie Chen, Michael Razavi, Yingying Wei, Ying Tao, Xiaoquan Rao, Jixin Zhong

Research output: Contribution to journalArticle

Abstract

Gout is one of the most common metabolic disorders in human. Previous studies have shown that the disease activity is closely associated with sympathetic nervous system (SNS). α2B-adrenergic receptor (α2BAR), a subtype of α2 adrenergic receptor, plays a critical role in many diseases. However, the role of α2BAR in the pathogenesis of gout remains unclear. Here, we assessed the role of α2BAR in the monosodium urate (MSU) crystals-induced peritonitis that mimics human gout by using the α2BAR-overexpressing mice (α2BAR-Tg). We found that the number of recruited neutrophils was significantly increased in the α2BAR-Tg mice after MSU treatment, when compared with wild type mice. In contrast, the number of macrophages was not changed. Importantly, there is no difference in the IL-1β levels and caspase-1 activity between wild type and α2BAR-Tg mice in the gout animal model. Notably, the enhanced neutrophil migration in α2BAR-Tg mice was dependent on the α2BAR overexpression in neutrophils, but not resulted from other tissues or cells with α2BAR overexpression. In conclusion, our data provide a direct evidence that α2BAR plays a critical role in neutrophil migration and MSU-induced inflammation.

Original languageEnglish (US)
Number of pages1
JournalFrontiers in immunology
Volume10
DOIs
StatePublished - Jan 1 2019

Fingerprint

Neutrophil Infiltration
Uric Acid
Adrenergic Receptors
Inflammation
Gout
Neutrophils
Caspase 1
Sympathetic Nervous System
Peritonitis
Interleukin-1
Animal Models
Macrophages

Keywords

  • adrenergic receptor
  • gout
  • inflammation
  • monosodium urate
  • neutrophil

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Alpha2B-Adrenergic Receptor Regulates Neutrophil Recruitment in MSU-Induced Peritoneal Inflammation. / Duan, Lihua; Chen, Jie; Razavi, Michael; Wei, Yingying; Tao, Ying; Rao, Xiaoquan; Zhong, Jixin.

In: Frontiers in immunology, Vol. 10, 01.01.2019.

Research output: Contribution to journalArticle

Duan, Lihua ; Chen, Jie ; Razavi, Michael ; Wei, Yingying ; Tao, Ying ; Rao, Xiaoquan ; Zhong, Jixin. / Alpha2B-Adrenergic Receptor Regulates Neutrophil Recruitment in MSU-Induced Peritoneal Inflammation. In: Frontiers in immunology. 2019 ; Vol. 10.
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