Linked Life Data

19835974

Source:http://linkedlifedata.com/resource/pubmed/id/19835974

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2010-2-3
pubmed:abstractText
The present study was performed to investigate the role of exogenous surfactant on hydrochloric acid (HCL) - induced lung injury in rats. Six-week-old male Sprague-Dawley rats were anesthetized by intraperitoneal injection of pentobarbital sodium (40mg/kg) and HCL (0.1N, 2mL/kg) or normal saline (NS, 2mL/kg) was instilled into the trachea. Thirty minutes after HCL instillation, surfactant at a dose of 60mg (=2mL)/body or NS (2mL) was instilled into the rat lungs. Animals in another experimental group were also treated with the same dose of surfactant supplement 2hours after the first administration. Bronchoalveolar lavage fluid (BALF) was obtained 5hours after HCL instillation. In BALF, increases in total nuclear cell counts, neutrophil counts, optical density at 412nm as an indicator of pulmonary hemorrhage, neutrophil elastase activity, concentrations of albumin and cytokine-induced neutrophil chemoattractant (CINC) induced by HCL instillation were significantly attenuated by surfactant treatment. The wet-to-dry weight (W/D) ratio in the lung and partial oxygen tension (P(O2)) were also estimated; surfactant treatment significantly attenuated the W/D ratio and improved deteriorated P(O2) induced by HCL. Additional surfactant supplementation did not show further beneficial effects on HCL-induced lung injury compared with a single treatment. These results suggest that surfactant shows an anti-inflammatory effect on acid lung injury in rats but the beneficial effects may be dose limited.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
1522-9629
pubmed:author
pubmed:copyrightInfo
Copyright 2009 Elsevier Ltd. All rights reserved.
pubmed:issnType
Electronic
pubmed:volume
23
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
43-7
pubmed:meshHeading
pubmed:year
2010
pubmed:articleTitle
Exogenous surfactant instillation attenuates inflammatory response to acid-induced lung injury in rat.
pubmed:affiliation
First Department of Internal Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto 390-8621, Japan.
pubmed:publicationType
Journal Article