Inhibition by terbutaline of nitric oxide and superoxide anion levels of endotoxin-induced organs injury in the anesthetized rat.

Wen Jinn Liaw, Chin Tzao, Jeng Yuan Wu, Shiu Jen Chen, Jih Hsin Wang, Chin Chen Wu

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Despite the fact that septic shock is characterized by a decrease in systemic vascular resistance, the main cause of death is due to multiple organ failure. The organ dysfunction is usually attributed to cell death caused by overproduction of free radicals derived from inflammation. In the host infected by endotoxin (lipopolysaccharide, LPS), the expression and release of proinflammatory tumor necrosis factor-alpha (TNF-alpha) rapidly increases, and the formation of free radicals (e.g., superoxide anion [O2*-] and nitric oxide [NO*] in the present study) are inevitably overproduced. In this study, we present evidence that overall treatment of LPS rats with terbutaline, a beta2-adrenoceptor agonist, attenuates the delayed hypotension and ameliorates the tachycardia. Overproduction of TNF-alpha and NO* (produced by inducible NO synthase [iNOS] examined by Western blot analysis in the lung and the liver) is inhibited by treatment of LPS rats with terbutaline. In addition, treatment of endotoxemic rats with terbutaline also reduces the O2*- levels in the lung and the liver. Terbutaline also improves the liver (assessed by aspartate aminotransferase, alanine aminotransferase, total bilirubin, and albumin/globulin) and kidney (assessed by creatinine and uric acid) dysfunction induced by endotoxin. These findings suggest that the amelioration of circulatory failure and organs injury by terbutaline is associated with its suppression in TNF-alpha, O2*- and NO (via iNOS) production in animals with endotoxic shock.

Original languageEnglish
Pages (from-to)281-288
Number of pages8
JournalShock
Volume19
Issue number3
Publication statusPublished - Mar 2003
Externally publishedYes

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Terbutaline
Endotoxins
Superoxides
Nitric Oxide
Wounds and Injuries
Lipopolysaccharides
Tumor Necrosis Factor-alpha
Septic Shock
Nitric Oxide Synthase
Free Radicals
Liver
Lung
Multiple Organ Failure
Globulins
Aspartate Aminotransferases
Uric Acid
Alanine Transaminase
Bilirubin
Tachycardia
Vascular Resistance

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine
  • Physiology

Cite this

Inhibition by terbutaline of nitric oxide and superoxide anion levels of endotoxin-induced organs injury in the anesthetized rat. / Liaw, Wen Jinn; Tzao, Chin; Wu, Jeng Yuan; Chen, Shiu Jen; Wang, Jih Hsin; Wu, Chin Chen.

In: Shock, Vol. 19, No. 3, 03.2003, p. 281-288.

Research output: Contribution to journalArticle

Liaw, Wen Jinn ; Tzao, Chin ; Wu, Jeng Yuan ; Chen, Shiu Jen ; Wang, Jih Hsin ; Wu, Chin Chen. / Inhibition by terbutaline of nitric oxide and superoxide anion levels of endotoxin-induced organs injury in the anesthetized rat. In: Shock. 2003 ; Vol. 19, No. 3. pp. 281-288.
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