Volume 21, Issue 8 e202400572
Research Article

Pyrones Isolated from Annona Acutiflora Exhibit Promising Cytotoxic Effects on Cancer Cell Lines

MSc. Diogo Folly

MSc. Diogo Folly

Laboratório de Tecnologia de Produtos Naturais, LTPN, Departamento de Tecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Fluminense, Rua, Mario Viana, 523, CEP: 24241-000 Santa Rosa, Niterói, RJ, Brazil

Universidade Federal Fluminense, Faculdade de Farmácia, Departamento de Tecnologia Farmacêutica e Cosméticos, CEP: 24241-000 Niterói-RJ, Brazil

Laboratório de Química de Produtos Naturais, Universidade Federal Fluminense, Rua São João Batista, 2–188, CEP: 24020-141 Niterói, RJ, Brazil

Programa de Pós-Graduação em Biotecnologia Vegetal e Bioprocessos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil

These authors contributed equally to this work.

Contribution: Data curation (equal), Formal analysis (equal), ​Investigation (lead), Methodology (equal), Project administration (lead), Writing - original draft (lead), Writing - review & editing (equal)

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Samille Candido da Silva

Samille Candido da Silva

Department of Basic Science, Campus Universitário de Nova Friburgo, Federal Fluminense, University Nova, Friburgo, CEP 28625-650 Brazil

Universidade Federal Fluminense, Department of Basic Sciences, Nova Friburgo Health Institute, CEP 28625-650 Nova Friburgo-RJ, Brazil

These authors contributed equally to this work.

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Gabriela Dinis

Gabriela Dinis

Laboratório de Química de Produtos Naturais, Universidade Federal Fluminense, Rua São João Batista, 2–188, CEP: 24020-141 Niterói, RJ, Brazil

Contribution: ​Investigation (supporting), Methodology (supporting), Writing - original draft (supporting), Writing - review & editing (supporting)

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Gabriel Ouverney

Gabriel Ouverney

Postgraduate Program in Sciences Applied to Health Products, Faculty of Pharmacy, Federal Fluminense University, Niterói, CEP 24020-141 RJ, Brazil

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Guilherme Freimann Wermelinger

Guilherme Freimann Wermelinger

Department of Basic Science, Campus Universitário de Nova Friburgo, Federal Fluminense, University Nova, Friburgo, CEP 28625-650 Brazil

Universidade Federal Fluminense, Department of Basic Sciences, Nova Friburgo Health Institute, CEP 28625-650 Nova Friburgo-RJ, Brazil

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PhD. Lucas Silva Abreu

PhD. Lucas Silva Abreu

Laboratório de Química de Produtos Naturais, Universidade Federal Fluminense, Rua São João Batista, 2–188, CEP: 24020-141 Niterói, RJ, Brazil

Contribution: Formal analysis (lead), Supervision (equal), Writing - review & editing (equal)

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PhD. Bruno Kaufmann Robbs

Corresponding Author

PhD. Bruno Kaufmann Robbs

Department of Basic Science, Campus Universitário de Nova Friburgo, Federal Fluminense, University Nova, Friburgo, CEP 28625-650 Brazil

Universidade Federal Fluminense, Department of Basic Sciences, Nova Friburgo Health Institute, CEP 28625-650 Nova Friburgo-RJ, Brazil

Contribution: Data curation (equal), Formal analysis (equal), Funding acquisition (equal), Supervision (equal), Writing - review & editing (equal)

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PhD. Leandro Rocha

Corresponding Author

PhD. Leandro Rocha

Laboratório de Tecnologia de Produtos Naturais, LTPN, Departamento de Tecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Fluminense, Rua, Mario Viana, 523, CEP: 24241-000 Santa Rosa, Niterói, RJ, Brazil

Universidade Federal Fluminense, Faculdade de Farmácia, Departamento de Tecnologia Farmacêutica e Cosméticos, CEP: 24241-000 Niterói-RJ, Brazil

Programa de Pós-Graduação em Biotecnologia Vegetal e Bioprocessos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil

Contribution: Data curation (equal), Formal analysis (equal), Funding acquisition (lead), Project administration (lead), Supervision (equal), Writing - review & editing (lead)

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First published: 05 June 2024

Abstract

This work discusses the ongoing challenge of cancer, focusing on therapy issues such as chemotherapy resistance and adverse drug effects. It emphasizes the need for new anticancer agents with improved efficacy and fewer side effects, exploring natural products from plant sources. The Annonaceae family, specifically the Annona genus, is highlighted for its medicinal properties, including anti-inflammatory and anticancer effects. The study focuses on the isolation and elucidation of the substances present in Annona acutiflora leaves. The methodology involves chromatographic and spectroscopy techniques. The isolated compounds, (6S)-5′-oxohepten-1′E,3′E-dienyl)-5,6-dihydro-2H-pyran-2-one (1), (6R)-5′-oxohepten-1′Z,3′E-dienyl)-5,6-dihydro-2H-pyran-2-one (2) and (6R)-5′-oxohepten-1′Z,3′E-dienyl)-5,6-dihydro-2H-pyran-2-one (3) were investigated for cytotoxicity assays on cancer cell lines and normal cells. Results show promising cytotoxic activity, particularly with compound 3, demonstrating potential activity against oral cancer (43.18 μM), hepatocarcinoma (17.24 μM), melanoma (5.39 μM), and colon cancer (59.03 μM). The compound outperforms carboplatin in selectivity against oral cancer (S. I. 2.15) and melanoma (S. I. 17.22). The study concludes by suggesting the potential of these α-pyrones as effective and less toxic alternatives for cancer therapy.

Graphical Abstract

Conflict of Interests

The authors declare that they have no conflict of interest.

Data Availability Statement

The data that support the findings of this study are available in the supplementary material of this article.

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