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Olofinsan K, Abrahamse H, George BP. Therapeutic Role of Alkaloids and Alkaloid Derivatives in Cancer Management. Molecules 2023; 28:5578. [PMID: 37513450 PMCID: PMC10386240 DOI: 10.3390/molecules28145578] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/14/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
Cancer is a neoplastic disease that remains a global challenge with a reported prevalence that is increasing annually. Though existing drugs can be applied as single or combined therapies for managing this pathology, their concomitant adverse effects in human applications have led to the need to continually screen natural products for effective and alternative anticancer bioactive principles. Alkaloids are chemical molecules that, due to their structural diversity, constitute a reserve for the discovery of lead compounds with interesting pharmacological activities. Several in vitro studies and a few in vivo findings have documented various cytotoxic and antiproliferative properties of alkaloids. This review describes chaetocochin J, neopapillarine, coclaurine, reflexin A, 3,10-dibromofascaplysin and neferine, which belong to different alkaloid classes with antineoplastic properties and have been identified recently from plants. Despite their low solubility and bioavailability, plant-derived alkaloids have viable prospects as sources of viable lead antitumor agents. This potential can be achieved if more research on these chemical compounds is directed toward investigating ways of improving their delivery in an active form close to target cells, preferably with no effect on neighboring normal tissues.
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Affiliation(s)
- Kolawole Olofinsan
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
| | - Blassan P George
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
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Carmo Bastos ML, Silva-Silva JV, Neves Cruz J, Palheta da Silva AR, Bentaberry-Rosa AA, da Costa Ramos G, de Sousa Siqueira JE, Coelho-Ferreira MR, Percário S, Santana Barbosa Marinho P, Marinho AMDR, de Oliveira Bahia M, Dolabela MF. Alkaloid from Geissospermum sericeum Benth. & Hook.f. ex Miers (Apocynaceae) Induce Apoptosis by Caspase Pathway in Human Gastric Cancer Cells. Pharmaceuticals (Basel) 2023; 16:ph16050765. [PMID: 37242548 DOI: 10.3390/ph16050765] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 04/30/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
Gastric cancer is among the major causes of death from neoplasia leading causes of death worldwide, with high incidence rates and problems related to its treatment. Here, we outline how Geissospermum sericeum exerts antitumor activity on the ACP02 cell line (human gastric adenocarcinoma) and the mechanism of cell death. The ethanol extract and fractions, neutral fraction and alkaloid fraction, were characterized by thin-layer chromatography and HPLC-DAD, yielding an alkaloid (geissoschizoline N4-methylchlorine) identified by NMR. The cytotoxicity activity of the samples (ethanol extract, neutral fraction, alkaloid fraction, and geissoschizoline N4-methylchlorine) in HepG2 and VERO cells was determined by MTT. The ACP02 cell line was used to assess the anticancer potential. Cell death was quantified with the fluorescent dyes Hoechst 33342, propidium iodide, and fluorescein diacetate. The geissoschizoline N4-methylchlorine was evaluated in silico against caspase 3 and 8. In the antitumor evaluation, there was observed a more significant inhibitory effect of the alkaloid fraction (IC50 18.29 µg/mL) and the geissoschizoline N4-methylchlorine (IC50 12.06 µg/mL). However, geissoschizoline N4-methylchlorine showed lower cytotoxicity in the VERO (CC50 476.0 µg/mL) and HepG2 (CC50 503.5 µg/mL) cell lines, with high selectivity against ACP02 cells (SI 39.47 and 41.75, respectively). The alkaloid fraction showed more significant apoptosis and necrosis in 24 h and 48 h, with increased necrosis in higher concentrations and increased exposure time. For the alkaloid, apoptosis and necrosis were concentration- and time-dependent, with a lower necrosis rate. Molecular modeling studies demonstrated that geissoschizoline N4-methylchlorine could occupy the active site of caspases 3 and 8 energetically favorably. The results showed that fractionation contributed to the activity with pronounced selectivity for ACP02 cells, and geissoschizoline N4-methylchlor is a promising candidate for caspase inhibitors of apoptosis in gastric cancer. Thus, this study provides a scientific basis for the biological functions of Geissospermum sericeum, as well as demonstrates the potential of the geissoschizoline N4-methylchlorine in the treatment of gastric cancer.
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Affiliation(s)
- Mirian Letícia Carmo Bastos
- Post-Graduate Program in Biodiversity and Biotechnology, Federal University of Pará, Belém 66075-110, PA, Brazil
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | - João Victor Silva-Silva
- Laboratory of Medicinal and Computational Chemistry, Institute of Physics of São Carlos, University of São Paulo, São Carlos 13563-120, SP, Brazil
| | - Jorddy Neves Cruz
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | | | | | - Gisele da Costa Ramos
- Post-Graduate Program in Chemistry, Federal University of Pará, Belém 66075-110, PA, Brazil
| | | | - Márlia Regina Coelho-Ferreira
- Emílio Goeldi Paraense Museum, Coordination of Botany, Ministry of Science, Technology, Innovation and Communications, Belém 66077-830, PA, Brazil
| | - Sandro Percário
- Post-Graduate Program in Biodiversity and Biotechnology, Federal University of Pará, Belém 66075-110, PA, Brazil
| | | | | | - Marcelo de Oliveira Bahia
- Laboratory of Human Cytogenetic, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
| | - Maria Fâni Dolabela
- Post-Graduate Program in Biodiversity and Biotechnology, Federal University of Pará, Belém 66075-110, PA, Brazil
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Pará, Belém 66075-110, PA, Brazil
- Faculty of Pharmacy, Federal University of Pará, Belém 66075-110, PA, Brazil
- Post-Graduate Program in Pharmaceutical Innovation, Federal University of Pará, Belém 66075-110, PA, Brazil
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Song J, Zhang B, Li M, Zhang J. The current scenario of naturally occurring indole alkaloids with anticancer potential. Fitoterapia 2023; 165:105430. [PMID: 36634875 DOI: 10.1016/j.fitote.2023.105430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 01/06/2023] [Accepted: 01/06/2023] [Indexed: 01/11/2023]
Abstract
Naturally occurring indole alkaloids are ubiquitously present in nature and possess extensive biological properties and structural diversity. Mechanistically, naturally occurring indole alkaloids have the potential to inhibit cancer cell proliferation, arrest cell cycle and induce apoptosis. Accordingly, naturally occurring indole alkaloids exhibit promising activity against both drug-sensitive and drug-resistant cancers including multidrug-resistant forms. Therefore, naturally occurring indole alkaloids constitute an important source of anticancer drug leads and candidates. The goal of this review is to highlight the current scenario of naturally occurring indole alkaloids with anticancer potential, covering articles published from 2018 to present. The names, sources, and antiproliferative activity are discussed to continuously open up a map for the remarkable exploration of more effective candidates.
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Affiliation(s)
- Juntao Song
- Department of Oncology and Hematology, Zibo 148 Hospital, Zibo 255300, China
| | - Bo Zhang
- Emergency Department, People's Hospital of Zhoucun District, Zibo 255300, China
| | - Ming Li
- Department of Oncology and Hematology, People's Hospital of Zhoucun District, Zibo 255300, China
| | - Jinbiao Zhang
- Department of Oncology and Hematology, Zibo 148 Hospital, Zibo 255300, China.
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Sarkar D, Amin A, Qadir T, Sharma PK. Synthesis of Medicinally Important Indole Derivatives: A Review. THE OPEN MEDICINAL CHEMISTRY JOURNAL 2021. [DOI: 10.2174/1874104502015010001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Indoles constitute a widely occurring functional group in nature and are present in an extensive number of bioactive natural products and medicinally important compounds. As a result, exponential increases in the development of novel methods for the formation of indole core along with site-specific indoles have been established. Conventional methods for the synthesis of indoles are getting replaced with green methods involving ionic liquids, water as a solvent, solid acid catalyst, microwave irradiation and the use of nanoparticles under solvent-free conditions. In addition, there are immense applications of the substituted indoles in diverse fields.
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Bonfim DP, Nakamura CV, de Araújo Júnior JX, Pessini GL, Leite PEC, Morgado-Díaz JA, Leve F. Kopsanone inhibits proliferation and migration of invasive colon cancer cells. Phytother Res 2021; 35:3769-3780. [PMID: 33792975 DOI: 10.1002/ptr.7078] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 02/10/2021] [Accepted: 02/12/2021] [Indexed: 02/02/2023]
Abstract
Colorectal cancer (CRC) is the second leading cause of cancer-related death globally. In spite of the increasing knowledge on molecular characteristics of different cancer types including CRC, there is limitation in the development of an effective treatment. The present study aimed to verify the antitumor effect of kopsanone, an indole alkaloid. To achieve this, we treated human colon cancer cells (Caco-2 and HCT-116) with kopsanone and analyzed its effects on cell viability, cell-cell adhesion, and actin cytoskeleton organization. In addition, functional assays including micronuclei formation, colony formation, cell migration, and invasiveness were performed. We observed that kopsanone reduced viability and proliferation and induced micronuclei formation of HCT-116 cells. Also, kopsanone inhibited anchorage-dependent colony formation and modulated adherens junctions (AJs), thus increasing the localization of E-cadherin and β-catenin in the cytosol of the invasive cells. Finally, fluorescence assays showed that kopsanone decreased stress fibers formation and reduced migration but not invasion of HCT-116 cells. Taken together, these findings indicate that kopsanone reduces proliferation and migration of HCT-116 cells via modulation of AJs and can therefore be considered for future in vivo and clinical investigation as potential therapeutic agent for treatment of CRC.
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Affiliation(s)
- Daniella Paiva Bonfim
- Division of Metrology Applied to Life Sciences (Dimav), National Institute of Metrology, Quality and Technology (INMETRO), Rio de Janeiro, Brazil
| | - Celso Vataru Nakamura
- Post-Graduation Program in Pharmaceutical Sciences, Department of Basic Health Sciences, Maringá State University (UEM), Maringá, Brazil
| | - João Xavier de Araújo Júnior
- Institute of Pharmaceuticals Sciences, Alagoas Federal University (UFAL), Maceió, Brazil.,Post-Graduation Program in Chemical and Biotechnology, Alagoas Federal University (UFAL), Maceió, Brazil
| | - Greisiele Lorena Pessini
- Post-Graduation Program in Chemical and Biotechnology, Alagoas Federal University (UFAL), Maceió, Brazil
| | - Paulo Emílio Correa Leite
- Division of Metrology Applied to Life Sciences (Dimav), National Institute of Metrology, Quality and Technology (INMETRO), Rio de Janeiro, Brazil
| | - José Andrés Morgado-Díaz
- Cellular and Molecular Oncobiology Program, National Institute of Cancer (INCa), Rio de Janeiro, Brazil
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