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Rangel LDS, Paiva Machado F, Amaral R, Cláudia Rodrigues Da Silva A, Santos MG, Albuquerque Dos Santos JA, Lidmar Von Ranke N, Rodrigues CR, Rocha L, Faria RX. Molluskicidal nanoemulsion of Neomitranthes obscura (DC.) N. Silveira for schistosomiasis control. Front Pharmacol 2023; 14:1078936. [PMID: 36909200 PMCID: PMC10002965 DOI: 10.3389/fphar.2023.1078936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 01/13/2023] [Indexed: 03/14/2023] Open
Abstract
Schistosomiasis is caused by the parasite Schistosoma mansoni, which uses mollusks of the Biomphalaria genus as intermediate hosts. In 2020, approximately 241 million people worldwide underwent treatment for schistosomiasis. For this reason, the World Health Organization encourages research on alternative molluskicides based on plant species. The objective of this work was to investigate Neomitranthes obscura essential oil from leaf chemical composition and its essential oil nanoemulsion activity on intermediate hosts of schistosomiasis Biomphalaria glabrata control. The major chemical components of the Neomitranthes obscura essential oil were zonarene, seline-3,7(11)-diene, β-selinene, and α-selinene. The nanoemulsion tested using 24-well plate methodology showed lethality and juvenile mollusks with LC90 values of 53.9 and 25.0 ppm after 48 h, respectively, and on their spawning with an LC90 of 66.2 ppm after 48 h. Additionally, the nanoemulsion exhibited an LC90 value against the infective form of the parasite Schistosoma mansoni of 11.5 ppm after 4 h. This pharmaceutical formulation acted inhibiting the acetylcholinesterase activity and was not toxic for Mellanoides sp. This result suggests the use of this nanoformulation as a promising alternative in the control of Biomphalaria glabrata and the transmission of schistosomiasis.
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Affiliation(s)
- Leonardo da Silva Rangel
- Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
- Programa de Pós Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | - Francisco Paiva Machado
- Laboratório de Tecnologia de Produtos Naturais, Universidade Federal Fluminense, Niterói, RJ, Brazil
- Programa de Pós Graduação em Biotecnologia Vegetal e Bioprocessos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Raquel Amaral
- Departamento de Ciências, Faculdade de Formação de Professores, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Ana Cláudia Rodrigues Da Silva
- Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
- Programa de Pós Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | - Marcelo Guerra Santos
- Departamento de Ciências Biológicas e da Saúde, Universidade Federal de Amapá, Macapá, AP, Brazil
| | | | - Natalia Lidmar Von Ranke
- Centro de Formação de Professores, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Carlos Rangel Rodrigues
- Centro de Formação de Professores, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Leandro Rocha
- Programa de Pós Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói, RJ, Brazil
- Laboratório de Tecnologia de Produtos Naturais, Universidade Federal Fluminense, Niterói, RJ, Brazil
- Programa de Pós Graduação em Biotecnologia Vegetal e Bioprocessos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Robson Xavier Faria
- Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
- Programa de Pós Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói, RJ, Brazil
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Martins DDL, do Amaral E Silva NA, Ferreira VF, Rangel LDS, Dos Santos JAA, Faria RX. Molluskicidal activity of 3-aryl-2-hydroxy-1,4-naphthoquinones against Biomphalaria glabrata. Acta Trop 2022; 231:106414. [PMID: 35346667 DOI: 10.1016/j.actatropica.2022.106414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 03/01/2022] [Accepted: 03/17/2022] [Indexed: 11/27/2022]
Abstract
Schistosomiasis is the second most prevalent parasitic infectious disease after malaria, which affects millions of people worldwide and causes health and socioeconomic problems. The snail Biomphalaria glabrata is an intermediate host for the helminth, which is the causative agent of schistosomiasis: Schistosoma mansoni. One crucial strategy for controlling the disease is the eradication of the snail host. Niclosamide is the unique molluskicide applied in large-scale control programs, but its selectivity to other species is not adequate. Therefore, there is an urgent need to develop new molluskicides that are inexpensive, safe, and selective. Quinones are ubiquitous, playing important biological roles in fungi, plants, and others. Many synthetic molecules with relevant biological activities that contain the quinone nucleus in their structure are on the market in the therapy of cancer, malaria, or toxoplasmosis, for example. Derivatives of quinones are tools in the development of new molluskicides for Abbott laboratories. In the present work, 3-aryl-2‑hydroxy-1,4-naphthoquinones (ANs) were tested for molluskicide activity against Biomphalaria glabrata. The lethal concentration was determined for 48 h of continuous exposure. The naphthoquinones were found to have molluskicide properties. AN-15 was recorded as the highest mortality. Additionally, this analog exhibited in silico reduced ambient toxicity when compared to niclosamide. The findings of this study demonstrate that 3-aryl-2‑hydroxy-1,4-naphthoquinones are effective for the management of Biomphalaria glabrata under laboratory conditions.
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Affiliation(s)
- Daniela de Luna Martins
- Instituto de Química, Laboratório de Catálise e Síntese (LabCSI), Laboratório 413, Campus do Valonguinho, Centro, Outeiro de São João Batista s/n, Universidade Federal Fluminense, Niterói, RJ 24020-141, Brazil.
| | - Nayane Abreu do Amaral E Silva
- Instituto de Química, Laboratório de Catálise e Síntese (LabCSI), Laboratório 413, Campus do Valonguinho, Centro, Outeiro de São João Batista s/n, Universidade Federal Fluminense, Niterói, RJ 24020-141, Brazil
| | - Vitor F Ferreira
- Departamento de Tecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Fluminense, R. Dr. Mario Vianna, 523 - Santa Rosa, Niterói, RJ 24241-002, Brazil
| | - Leonardo da Silva Rangel
- Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Av. Brasil, 4365, Manguinhos, Rio de Janeiro, RJ 21040-360, Brazil; Postgraduate Program in Sciences and Biotechnology, Instituto de Biologia, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | - José Augusto Albuquerque Dos Santos
- Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Av. Brasil, 4365, Manguinhos, Rio de Janeiro, RJ 21040-360, Brazil
| | - Robson Xavier Faria
- Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Av. Brasil, 4365, Manguinhos, Rio de Janeiro, RJ 21040-360, Brazil; Postgraduate Program in Sciences and Biotechnology, Instituto de Biologia, Universidade Federal Fluminense, Niterói, RJ, Brazil.
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Rangel LDS, Passos de Oliveira A, Falcão DQ, Santos MG, Von Ranke NL, Rodrigues CR, dos Santos JAA, Rocha L, Faria RX. Nanoemulsion of Sideroxylon obtusifolium as an Alternative to Combat Schistosomiasis. FRONTIERS IN PLANT SCIENCE 2022; 13:853002. [PMID: 35693155 PMCID: PMC9178252 DOI: 10.3389/fpls.2022.853002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 03/21/2022] [Indexed: 06/15/2023]
Abstract
Schistosomiasis is caused by the intestinal parasite Schistosoma mansoni. Individuals are affected by schistosomiasis when they are exposed to aquatic environments contaminated with Schistosoma cercariae that emerged from the infected intermediate host mollusk of the genus Biomphalaria. The WHO recommends using molluscicidal products to reduce the snail population and disease transmission. The WHO encourages the search for alternative substances in schistosomiasis control. Natural products are seen as a promising alternative because they are abundant in countries where schistosomiasis is endemic and have many different substances in their extracts, impairing cases of resistance. Therefore, the nanoemulsion effect of a butanol-soluble fraction of Sideroxylon obtusifolium leaves was evaluated against three study points in the biological cycle of the disease, that is, adults and young Biomphalaria glabrata, spawning by the host mollusk, and infectious larvae of the parasite. Extract-SOB (butanol fraction) and nano-SOB (nanoemulsion) demonstrated promising activity in adult B. glabrata population control with an LC50 of 125.4 mg/L, an LC90 of 178.1 mg/L, an LC50 of 75.2 mg/L, and an LC90 of 97 mg/L. Nano-SOB presented greater potency against young B. glabrata, with an LC90 of 72.1 mg/L and an LC50 of 58.3 mg/L. Still, relevant activity against S. mansoni cercariae was eliminated in 4 h (LC90: 34.6 mg/L). Nano-SOB reduced viable spawning by approximately 30% at 178.1 and 97 mg/L. Referring to most substances in this extract, quercetin-3-rhamnosyl-(1-6)-galactoside and hyperoside may cause low environmental toxicity and human toxicity according to in silico analysis. Thus, nano-SOB is a promising agent to combat B. glabrata population growth and schistosomiasis transmission.
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Affiliation(s)
- Leonardo da Silva Rangel
- Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz – Fiocruz, Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói, Brazil
| | | | | | - Marcelo Guerra Santos
- Departamento de Ciências, Faculdade de Formação de Professores, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | | | - Leandro Rocha
- Laboratório de Tecnologia de Produtos Naturais, Universidade Federal Fluminense, Niterói, Brazil
| | - Robson Xavier Faria
- Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz – Fiocruz, Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói, Brazil
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A New Method to Test Molluscicides against the Philippine Schistosomiasis Snail Vectors. J Parasitol Res 2020; 2020:3827125. [PMID: 32411420 PMCID: PMC7204092 DOI: 10.1155/2020/3827125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 08/29/2019] [Accepted: 10/04/2019] [Indexed: 11/17/2022] Open
Abstract
To expedite the discovery of novel molluscicides in the laboratory, this study aimed to evaluate the performance of a new molluscicidal assay. This assay is based on Oncomelania hupensis quadrasi snails and is called miniaturized plate test or mpt. To perform this assay, a 12-well plate, 3 snails per well, and 24-h exposure period were used. The performance of mpt was evaluated using niclosamide and Ardisia plant extract (tagpo extract) as test substances while WHO's guidelines for a conventional plate test (cpt) served as standard. One cpt and four mpt independent trials were performed for niclosamide and tagpo extract. Probit analysis of dose–response data was run in R to generate lethal concentrations (LC50 and LC90), while lethal ratio test was performed to detect significant difference between paired LC50s (or LC90s). Using niclosamide, the calculated LC50 values were 0.104, 0.127, 0.136, 0.139, and 0.140 g/m2 for cpt, mpt 1, mpt 2, mpt 3, and mpt 4, respectively, while the LC90 values were 0.266, 0.268, 0.244, 0.251, and 0.261 g/m2, using the same sequence, respectively. For tagpo extract, the LC50 values were 1.467, 1.547, 1.659, 1.797, and 1.659 g/m2, for cpt, mpt 1, mpt 2, mpt 3, and mpt 4, respectively, and the LC90s were 2.188, 2.195, 2.501, 2.358, and 2.501 g/m2, respectively. The lethal ratio test revealed that a significant difference exists between the LC50s of cpt and mpt 1 when using niclosamide with a lethal ratio and confidence limits of 0.820 (0.663, 0.977, p < 0.05) and another significant difference between LC50s of mpt 1 and mpt 3 using tagpo extract with computed lethal ratio and confidence limits of 0.861 (0.782, 0.939, p < 0.05). Taken together, the results point out that mpt generates accurate and reproducible lethal concentration values. Hence, mpt may be used as an alternative method to screen molluscicides that are active against schistosome snail vectors.
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Araújo FDP, Albuquerque RDDGD, Rangel LDS, Caldas GR, Tietbohl LAC, Santos MG, Ricci-Júnior E, Thiengo S, Fernandez MA, Santos JAAD, Faria RX, Rocha L. Nanoemulsion containing essential oil from Xylopia ochrantha Mart. produces molluscicidal effects against different species of Biomphalaria (Schistosoma hosts). Mem Inst Oswaldo Cruz 2019; 114:e180489. [PMID: 30970079 PMCID: PMC6454853 DOI: 10.1590/0074-02760180489] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 02/21/2019] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND This work describes a chemical study of the essential oil from leaves of Xylopia ochrantha, an endemic Annonaceae species from Brazil, and its activity against Biomphalaria species. Considering its poor solubility in aqueous medium, the essential oil was nanoemulsified to evaluate its action on controlling some mollusc species of genus Biomphalaria, snail hosts of Schistosoma mansoni that causes schistosomiasis, which mainly affects tropical and subtropical countries. OBJECTIVES The main aims of this work were to analyse the chemical composition of essential oil from X. ochrantha, and to evaluate the effect of its nanoemulsion on molluscs of genus Biomphalaria and their oviposition. METHODS Chemical analysis was performed by gas chromatography coupled to mass spectrometry. Nanoemulsions were prepared by a low energy method and characterised by particle size and polydispersity index. Biological assays evaluating the mortality of adult species of B. glabrata, B. straminea and B. tenagophila and their ovipositions upon contact with the most stable nanoemulsion during 24 and 48 h were performed. FINDINGS Chemical analysis by mass spectrometry revealed the majority presence of bicyclogermacrene and germacrene D in the essential oil. The formulation with a hydrophilic-lipophilic balance (HLB) of 9.26 was the most suitable for the oil delivery system. This nanoemulsion caused the mortality in B. tenagophila, B. straminea and B. glabarata of different sizes at levels ranging from 50 to 100% in 48 h. Additionally, the formulation could inhibit the development of deposited eggs. CONCLUSION Thus, these results suggest the use of nanoemulsified essential oil from X. ochrantha as a possible alternative in controlling some Biomphalaria species involved in the schistosomiasis cycle.
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Affiliation(s)
- Fernanda de Paula Araújo
- Universidade Federal Fluminense, Laboratório de Tecnologia de Produtos Naturais, Niterói, RJ, Brasil.,Universidade Federal Fluminense, Programa de Pós-Graduação em Ciências e Tecnologia, Niterói, RJ, Brasil
| | | | - Leonardo da Silva Rangel
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Avaliação e Promoção da Saúde Ambiental, Rio de Janeiro, RJ, Brasil.,Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Toxoplasmose e Outras Protozooses, Rio de Janeiro, RJ, Brasil.,Universidade Federal Fluminense, Programa de Pós-Graduação em Ciências e Tecnologia, Niterói, RJ, Brasil
| | - Gabriel Rocha Caldas
- Universidade Federal Fluminense, Laboratório de Tecnologia de Produtos Naturais, Niterói, RJ, Brasil
| | | | - Marcelo Guerra Santos
- Universidade do Estado do Rio de Janeiro, Faculdade de Formação de Professores, Departamento de Ciências, Rio de Janeiro, RJ, Brasill
| | - Eduardo Ricci-Júnior
- Universidade Federal do Rio de Janeiro, Centro de Ciências da Saúde, Departamento de Medicamentos, Rio de Janeiro, RJ, Brasil
| | - Silvana Thiengo
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Malacologia, Rio de Janeiro, RJ, Brasil
| | - Monica Ammon Fernandez
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Malacologia, Rio de Janeiro, RJ, Brasil
| | | | - Robson Xavier Faria
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Toxoplasmose e Outras Protozooses, Rio de Janeiro, RJ, Brasil.,Universidade Federal Fluminense, Programa de Pós-Graduação em Ciências e Tecnologia, Niterói, RJ, Brasil
| | - Leandro Rocha
- Universidade Federal Fluminense, Laboratório de Tecnologia de Produtos Naturais, Niterói, RJ, Brasil.,Universidade Federal Fluminense, Programa de Pós-Graduação em Ciências e Tecnologia, Niterói, RJ, Brasil
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