Protective effects of 3-aminobenzamide, an inhibitor of poly (ADP- ribose) synthase in a carrageenan-induced model of local inflammation

Salvatore Cuzzocrea, Basilia Zingarelli, Eli Gilad, Paul Hake, Andrew L. Salzman, Csaba Szabo

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

A cytotoxic cycle triggered by oxidant-induced DNA single strand breakage and subsequent activation of the nuclear enzyme poly (ADP-ribose) synthetase have been shown to contribute to the cellular injury during various forms of oxidant stress in vitro. The aim of the present study was to investigate the role of poly (ADP-ribose) synthetase in a model of acute local inflammation (carrageenan-induced pleurisy), where oxyradicals, nitric oxide and peroxynitrite are known to play a crucial role in the inflammatory process. The results show that the poly (ADP-ribose) synthetase inhibitor 3- aminobenzamide (given at 1-30 mg/kg) inhibits the inflammatory response (pleural exudate formation, mononuclear cell infiltration, histological injury). Moreover, 3-aminobenzamide reduces the formation of nitrotyrosine, an indicator of the formation of peroxynitrite, in the lung. The present results demonstrate that 3-aminobenzamide, presumably by inhibition of poly (ADP-ribose) synthetase, exerts potent anti-inflammatory effects. Part of the anti-inflammatory effects of 3-aminobenzamide may be related to a reduction of neutrophil recruitment into the inflammatory site.

Original languageEnglish (US)
Pages (from-to)67-76
Number of pages10
JournalEuropean Journal of Pharmacology
Volume342
Issue number1
DOIs
StatePublished - Jan 19 1998
Externally publishedYes

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Poly Adenosine Diphosphate Ribose
Poly(ADP-ribose) Polymerases
Carrageenan
Ligases
Inflammation
Peroxynitrous Acid
Oxidants
Anti-Inflammatory Agents
Pleurisy
Enzyme Activation
Neutrophil Infiltration
Wounds and Injuries
Exudates and Transudates
Nitric Oxide
Lung
3-aminobenzamide
DNA

Keywords

  • Apoptosis
  • DNA strand break
  • Neutrophil
  • Nitric oxide (NO)(i)
  • Peroxynitrite

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience
  • Pharmacology

Cite this

Protective effects of 3-aminobenzamide, an inhibitor of poly (ADP- ribose) synthase in a carrageenan-induced model of local inflammation. / Cuzzocrea, Salvatore; Zingarelli, Basilia; Gilad, Eli; Hake, Paul; Salzman, Andrew L.; Szabo, Csaba.

In: European Journal of Pharmacology, Vol. 342, No. 1, 19.01.1998, p. 67-76.

Research output: Contribution to journalArticle

Cuzzocrea, Salvatore ; Zingarelli, Basilia ; Gilad, Eli ; Hake, Paul ; Salzman, Andrew L. ; Szabo, Csaba. / Protective effects of 3-aminobenzamide, an inhibitor of poly (ADP- ribose) synthase in a carrageenan-induced model of local inflammation. In: European Journal of Pharmacology. 1998 ; Vol. 342, No. 1. pp. 67-76.
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