Intravenous arginine administration promotes proangiogenic cells mobilization and attenuates lung injury in mice with polymicrobial sepsis

Chiu Li Yeh, Man Hui Pai, Yao Ming Shih, Juey Ming Shih, Sung Ling Yeh

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This study investigated the influence of intravenous arginine (Arg) administration on alteration of circulating proangiogenic cells and remote lung injury in a model of polymicrobial sepsis. Mice were assigned to one normal control group (NC) and two sepsis groups that were induced by cecal ligation and puncture (CLP). One of the sepsis groups was injected with saline (SS), whereas the other (SA) was administered with a single bolus of 300 mg Arg/kg body weight via the tail vein 1 h after CLP. Septic mice were sacrificed at either 24 or 48 h after CLP, with their blood and lung tissues collected for analysis. Results showed that septic groups had higher proangiogenic cells releasing factors and proangiogenic cells percentage in blood. Also, concentration of inflammatory cytokines and expression of angiopoietin (Angpt)/Tie-2 genes in lung tissues were upregulated. Arg administration promoted mobilization of circulating proangiogenic cells while it downregulated the production of inflammatory cytokines and expression of Angpt/Tie-2 genes in the lung. The results of this investigation suggested that intravenous administration of Arg shortly after the onset of sepsis enhanced the mobilization of circulating proangiogenic cells, maintained the homeostasis of the Angpt/Tie-2 axis, and attenuated remote organ injury in polymicrobial sepsis.

Original languageEnglish
Article number507
JournalNutrients
Volume9
Issue number5
DOIs
Publication statusPublished - May 17 2017

Fingerprint

Lung Injury
Intravenous Administration
arginine
Arginine
Angiopoietin-2
Sepsis
lungs
Punctures
mice
Ligation
Lung
cells
cytokines
Cytokines
tissue analysis
blood
intravenous injection
Genes
Tail
Veins

Keywords

  • Angpt/tie-2
  • Arginine
  • Lung injury
  • Proangiogenic cells
  • Sepsis

ASJC Scopus subject areas

  • Food Science

Cite this

Intravenous arginine administration promotes proangiogenic cells mobilization and attenuates lung injury in mice with polymicrobial sepsis. / Yeh, Chiu Li; Pai, Man Hui; Shih, Yao Ming; Shih, Juey Ming; Yeh, Sung Ling.

In: Nutrients, Vol. 9, No. 5, 507, 17.05.2017.

Research output: Contribution to journalArticle

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