In Vitro Activities of Iboga Alkaloid Congeners Coronaridine and 18-Methoxycoronaridine against Leishmania amazonensis

Author:

Delorenzi Jan Carlo12,Freire-de-Lima Leonardo1,Gattass Cerli R.2,de Andrade Costa Deise2,He Liwen3,Kuehne Martin E.3,Saraiva Elvira M. B.1

Affiliation:

1. Departamento de Imunologia, Instituto de Microbiologia

2. Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil

3. Department of Chemistry, University of Vermont, Burlington, Vermont

Abstract

ABSTRACT In previous studies, we demonstrated the leishmanicide effect of coronaridine, a natural indole alkaloid isolated from stem bark of Peschiera australis (Delorenzi et al., Antimicrob. Agents Chemother. 45: 1349-1354, 2001). In this study we show the leishmanicidal effect of the synthetic coronaridine and its racemic 18-methoxylated analog, 18-methoxycoronaridine. Both alkaloids revealed a potent leishmanicide effect against Leishmania amazonensis , a causative agent of cutaneous and diffuse cutaneous leishmaniasis in the New World. Despite their potent leishmanicide effect, both alkaloids were neither toxic to murine macrophages nor did they modulate their oxidative or cytokine production responses.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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