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Costa WK, do Nascimento MF, Soares Barbosa ÉL, Dos Santos Souza TG, Chagas CA, Napoleão TH, Dos Santos Correia MT, Brayner FA, de Oliveira AM, Vanusa da Silva M. Cytotoxicity, oral toxicity, genotoxicity, and mutagenicity evaluation of essential oil from Psidium glaziovianum Kiaersk leaves. J Ethnopharmacol 2023; 303:115955. [PMID: 36436714 DOI: 10.1016/j.jep.2022.115955] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/07/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Members of the Psidium genus have been suggested in ethnobotanical research for the treatment of various human diseases, and some studies have already proven their popular uses through research, such as Psidium glaziovianum, which is found in Brazil's northeast and southeast regions and has antinociceptive and anti-inflammatory properties; however, the safety of use has not yet been evaluated. AIM OF THE STUDY This study investigated the safety of using essential oil obtained from P. glaziovianum leaves (PgEO) in vitro and in vivo models. MATERIALS AND METHODS Cytotoxicity was evaluated in murine erythrocytes, while acute toxicity, genotoxicity (comet assay) and mutagenicity (micronucleus test) studies were performed using Swiss albino mice. RESULTS In the cytotoxicity assay, the hemolysis rate indicated a low capacity of PgEO to cause cell lysis (0.33-1.78%). In the acute oral toxicity study, animals treated with up to up to 5000 mg/kg body weight did not observe mortality or physiological changes. Neither dosage caused behavioral problems or death in mice over 14 days. The control and 2,000 mg/kg groups had higher feed intake and body weight than the 5,000 mg/kg PgEO group. Erythrocyte count, hemoglobin level, mean corpuscular volume, and MCV decreased, but serum alanine and aspartate aminotransferases increased. In the genotoxic evaluation, 5000 mg/kg PgEO enhanced nucleated blood cell DI and DF. CONCLUSIONS The present study describes that PgEO can be considered well tolerated in acute exposure at doses up to 2000 mg/kg, however the dose of 5000 mg/kg of PgEO should be used with caution.
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Affiliation(s)
- Wêndeo Kennedy Costa
- Departamento de Bioquímica, Universidade Federal de Pernambuco, Recife, PE, 50670-901, Brazil.
| | | | | | | | - Cristiano Aparecido Chagas
- Centro Acadêmico de Vitória, Universidade Federal de Pernambuco, Vitória de Santo Antão, PE, 55608-680, Brazil
| | | | | | - Fábio André Brayner
- Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Recife, PE, 50670-420, Brazil
| | | | - Márcia Vanusa da Silva
- Departamento de Bioquímica, Universidade Federal de Pernambuco, Recife, PE, 50670-901, Brazil
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Lima Santos PV, da Cruz EDNS, de Sousa Barroso A, Veras Mourão RH, Setzer WN, Kelly da Silva J, do Nascimento WMO, Silva da Costa J, Figueiredo PLB. Chemometric analysis of the seasonal variation in the essential oil composition of Psidium acutangulum growing in the Brazilian Amazon. BIOCHEM SYST ECOL 2022. [DOI: 10.1016/j.bse.2022.104528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Houël E, Ginouves M, Azas N, Bourreau E, Eparvier V, Hutter S, Knittel-Obrecht A, Jahn-Oyac A, Prévot G, Villa P, Vonthron-Sénécheau C, Odonne G. Treating leishmaniasis in Amazonia, part 2: Multi-target evaluation of widely used plants to understand medicinal practices. J Ethnopharmacol 2022; 289:115054. [PMID: 35131338 DOI: 10.1016/j.jep.2022.115054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 01/18/2022] [Accepted: 01/26/2022] [Indexed: 05/27/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Leishmaniasis are widely distributed among tropical and subtropical countries, and remains a crucial health issue in Amazonia. Indigenous groups across Amazonia have developed abundant knowledge about medicinal plants related to this pathology. AIM OF THE STUDY We intent to explore the weight of different pharmacological activities driving taxa selection for medicinal use in Amazonian communities. Our hypothesis is that specific activity against Leishmania parasites is only one factor along other (anti-inflammatory, wound healing, immunomodulating, antimicrobial) activities. MATERIALS AND METHODS The twelve most widespread plant species used against leishmaniasis in Amazonia, according to their cultural and biogeographical importance determined through a wide bibliographical survey (475 use reports), were selected for this study. Plant extracts were prepared to mimic their traditional preparations. Antiparasitic activity was evaluated against promastigotes of reference and clinical New-World strains of Leishmania (L. guyanensis, L. braziliensis and L. amazonensis) and L. amazonensis intracellular amastigotes. We concurrently assessed the extracts immunomodulatory properties on PHA-stimulated human PBMCs and RAW264.7 cells, and on L. guyanensis antigens-stimulated PBMCs obtained from Leishmania-infected patients, as well as antifungal activity and wound healing properties (human keratinocyte migration assay) of the selected extracts. The cytotoxicity of the extracts against various cell lines (HFF1, THP-1, HepG2, PBMCs, RAW264.7 and HaCaT cells) was also considered. The biological activity pattern of the extracts was represented through PCA analysis, and a correlation matrix was calculated. RESULTS Spondias mombin L. bark and Anacardium occidentale L. stem and leaves extracts displayed high anti-promatigotes activity, with IC50 ≤ 32 μg/mL against L. guyanensis promastigotes for S. mombin and IC50 of 67 and 47 μg/mL against L. braziliensis and L. guyanensis promastigotes, respectively, for A. occidentale. In addition to the antiparasitic effect, antifungal activity measured against C. albicans and T. rubrum (MIC in the 16-64 μg/mL range) was observed. However, in the case of Leishmania amastigotes, the most active species were Bixa orellana L. (seeds), Chelonantus alatus (Aubl.) Pulle (leaves), Jacaranda copaia (Aubl.) D. Don. (leaves) and Plantago major L. (leaves) with IC50 < 20 μg/mL and infection rates of 14-25% compared to the control. Concerning immunomodulatory activity, P. major and B. orellana were highlighted as the most potent species for the wider range of cytokines in all tested conditions despite overall contrasting results depending on the model. Most of the species led to moderate to low cytotoxic extracts except for C. alatus, which exhibited strong cytotoxic activity in almost all models. None of the tested extracts displayed wound healing properties. CONCLUSIONS We highlighted pharmacologically active extracts either on the parasite or on associated pathophysiological aspects, thus supporting the hypothesis that antiparasitic activities are not the only biological factor useful for antileishmanial evaluation. This result should however be supplemented by in vivo studies, and attracts once again the attention on the importance of the choice of biological models for an ethnophamacologically consistent study. Moreover, plant cultural importance, ecological status and availability were discussed in relation with biological results, thus contributing to link ethnobotany, medical anthropology and biology.
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Affiliation(s)
- Emeline Houël
- CNRS, UMR EcoFoG, AgroParisTech, Cirad, INRAE, Université des Antilles, Université de Guyane, 97300, Cayenne, France.
| | - Marine Ginouves
- TBIP, Université de Guyane, 97300, Cayenne, French Guiana; Université de Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL Center for Infection and Immunity of Lille, 59000, Lille, France
| | - Nadine Azas
- Aix Marseille Univ, IHU Méditerranée Infection, UMR VITROME, Tropical Eukaryotic Pathogens, 19-21 Boulevard Jean Moulin, 13005, Marseille, France
| | - Eliane Bourreau
- Institut Pasteur de la Guyane, 23 Avenue Pasteur, BP6010, 97306, Cayenne Cedex, French Guiana
| | - Véronique Eparvier
- CNRS - Institut de Chimie des Substances Naturelles, Université Paris-Saclay, 1 Avenue de la Terrasse, 91198, Gif-sur-Yvette Cedex, France
| | - Sébastien Hutter
- Aix Marseille Univ, IHU Méditerranée Infection, UMR VITROME, Tropical Eukaryotic Pathogens, 19-21 Boulevard Jean Moulin, 13005, Marseille, France
| | - Adeline Knittel-Obrecht
- Plate-forme de Chimie Biologique Intégrative de Strasbourg UAR 3286 CNRS-Université de Strasbourg, Institut du Médicament de Strasbourg, ESBS Pôle API, Bld Sébastien Brant, 67412, Illkirch Cedex, France
| | - Arnaud Jahn-Oyac
- CNRS, UMR EcoFoG, AgroParisTech, Cirad, INRAE, Université des Antilles, Université de Guyane, 97300, Cayenne, France
| | - Ghislaine Prévot
- TBIP, Université de Guyane, 97300, Cayenne, French Guiana; Université de Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL Center for Infection and Immunity of Lille, 59000, Lille, France
| | - Pascal Villa
- Plate-forme de Chimie Biologique Intégrative de Strasbourg UAR 3286 CNRS-Université de Strasbourg, Institut du Médicament de Strasbourg, ESBS Pôle API, Bld Sébastien Brant, 67412, Illkirch Cedex, France
| | - Catherine Vonthron-Sénécheau
- Laboratoire d'Innovation Thérapeutique UMR 7200 CNRS - Université de Strasbourg, Institut du Médicament de Strasbourg, Faculté de Pharmacie, 74 route du Rhin, 67401, Illkirch cedex, France
| | - Guillaume Odonne
- Laboratoire Ecologie, évolution, interactions des systèmes amazoniens (LEEISA), CNRS, Université de Guyane, IFREMER, 97300, Cayenne, French Guiana
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Felipe do Nascimento K, Leite Kassuya CA, Pereira Cabral MR, Carvalho Souza RI, Marangoni JA, Mussury Franco Silva RM, Alves da Costa Canella D, Nazari Formagio AS. Chemical analysis and antioxidant, anti-inflammatory and toxicological evaluations of the hydromethanolic extract of Psidium guineense Swartz leaves. J Ethnopharmacol 2021; 281:114492. [PMID: 34380066 DOI: 10.1016/j.jep.2021.114492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 07/25/2021] [Accepted: 08/04/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Psidium guineense, popularly known as "araçá-do-campo", is used in popular medicine for the treatment of inflammatory diseases. Our research group studied an essential oil obtained from its leaves and reported anti-inflammatory and analgesic properties. However, to date, the anti-inflammatory actions of the leaf extract have not been evaluated although the traditional folk use of this plant has these indications. AIM OF STUDY The current study was designed to evaluate the antioxidant and anti-inflammatory effects and toxicity of the hydromethanolic extract of the leaves from P. guineense (HME-PG), as well as to investigate the chemical composition. MATERIALS AND METHODS HME-PG was chemically investigated by Ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS). The antioxidant activity was evaluated with 2, 2-diphenyl-1-picrylhydrazyl (DPPH) and malondialdehyde (MDA). Swiss mice were orally (p.o.) pretreated with HME-PG (30, 100 and 300 mg/kg), and after 1 h received carrageenan via paw injection (edema, cold sensitivity and mechanical hyperalgesia were analyzed) or pleural injection (leukocyte migration was analyzed after 4 h) and for nociception using the formalin model. Acute (14 days) and subacute (28 days) toxicity was assessed with female Wistar rats orally treated with 500 and 2000 mg/kg HME-PG. RESULTS HME-PG showed high levels of phenolic and flavonoid compounds. Six compounds were identified based on UHPLC-MS/MS analysis, including gallic acid, quercetin, 3'-formyl-2',4',6'-trihydroxy-5'-methyldihydrochalcone, vanillic acid, ursolic acid and corilagin. HME-PG exhibited an IC50 of 48.14 μg/mL in the MDA assay and an IC50 of 45.15 μg/mL in the DPPH test. The treatment with HME-PG (100 and 300 mg/kg) significantly inhibited edema at all time points evaluated, mechanical hyperalgesia after 4 h and the response to cold 3 and 4 h after carrageenan injection and anti-nociceptive effects in both phases of formalin nociception. All oral HME-PG treatments significantly inhibited leukocyte migration and plasma extravasation in the pleurisy model. Toxicity tests did not cause signs of toxicity in the treated animals. CONCLUSIONS The present study showed that HME-PG has antioxidant and anti-inflammatory properties, and no toxicity was detected after acute or subacute treatment with HME-PG, showing the possibility for the safe traditional use of P. guineense.
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Affiliation(s)
| | | | | | | | - Janaine Alberto Marangoni
- Faculty of Biological and Environmental Sciences, Federal University of Grande Dourados UFGD, MS, Brazil
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Megat S, Hugel S, Journée SH, Bohren Y, Lacaud A, Lelièvre V, Doridot S, Villa P, Bourguignon JJ, Salvat E, Schlichter R, Freund-Mercier MJ, Yalcin I, Barrot M. Antiallodynic action of phosphodiesterase inhibitors in a mouse model of peripheral nerve injury. Neuropharmacology 2021; 205:108909. [PMID: 34875284 DOI: 10.1016/j.neuropharm.2021.108909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 10/01/2021] [Accepted: 11/28/2021] [Indexed: 11/30/2022]
Abstract
Neuropathic pain arises as a consequence of a lesion or disease affecting the somatosensory nervous system. It is accompanied by neuronal and non-neuronal alterations, including alterations in intracellular second messenger pathways. Cellular levels of 3',5'-cyclic adenosine monophosphate (cAMP) and 3',5'-cyclic guanosine monophosphate (cGMP) are regulated by phosphodiesterase (PDE) enzymes. Here, we studied the impact of PDE inhibitors (PDEi) in a mouse model of peripheral nerve injury induced by placing a cuff around the main branch of the sciatic nerve. Mechanical hypersensitivity, evaluated using von Frey filaments, was relieved by sustained treatment with the non-selective PDEi theophylline and ibudilast (AV-411), with PDE4i rolipram, etazolate and YM-976, and with PDE5i sildenafil, zaprinast and MY-5445, but not by treatments with PDE1i vinpocetine, PDE2i EHNA or PDE3i milrinone. Using pharmacological and knock-out approaches, we show a preferential implication of delta opioid receptors in the action of the PDE4i rolipram and of both mu and delta opioid receptors in the action of the PDE5i sildenafil. Calcium imaging highlighted a preferential action of rolipram on dorsal root ganglia non-neuronal cells, through PDE4B and PDE4D inhibition. Rolipram had anti-neuroimmune action, as shown by its impact on levels of the pro-inflammatory cytokine tumor necrosis factor-α (TNFα) in the dorsal root ganglia of mice with peripheral nerve injury, as well as in human peripheral blood mononuclear cells (PBMCs) stimulated with lipopolysaccharides. This study suggests that PDEs, especially PDE4 and 5, may be targets of interest in the treatment of neuropathic pain.
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Affiliation(s)
- Salim Megat
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Sylvain Hugel
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Sarah H Journée
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Yohann Bohren
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France; Hôpitaux Universitaires de Strasbourg, Centre d'Evaluation et de Traitement de la Douleur, Strasbourg, France
| | - Adrien Lacaud
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Vincent Lelièvre
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Stéphane Doridot
- Centre National de la Recherche Scientifique, Université de Strasbourg, Chronobiotron, Strasbourg, France
| | - Pascal Villa
- Université de Strasbourg, Centre National de la Recherche Scientifique, Plateforme de Chimie Biologique Intégrative de Strasbourg, UAR3286, Illkirch, France
| | - Jean-Jacques Bourguignon
- Université de Strasbourg, Centre National de la Recherche Scientifique, Laboratoire d'Innovation Thérapeutique, Illkirch, France
| | - Eric Salvat
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France; Hôpitaux Universitaires de Strasbourg, Centre d'Evaluation et de Traitement de la Douleur, Strasbourg, France
| | - Remy Schlichter
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Marie-José Freund-Mercier
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Ipek Yalcin
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France.
| | - Michel Barrot
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France.
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Ferreira Macedo JG, Linhares Rangel JM, de Oliveira Santos M, Camilo CJ, Martins da Costa JG, Maria de Almeida Souza M. Therapeutic indications, chemical composition and biological activity of native Brazilian species from Psidium genus (Myrtaceae): A review. J Ethnopharmacol 2021; 278:114248. [PMID: 34058313 DOI: 10.1016/j.jep.2021.114248] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/07/2021] [Accepted: 05/25/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL IMPORTANCE Brazilian medicinal species of the Psidium genus are rich in secondary metabolites such as terpenes and phenolic compounds and present biological activities for several human diseases. For the native Psidium species, there are no specific research reports for any member of the genus about ethnobotanical research, hindering the joint analysis of its therapeutic indications together with the scientific evidence already investigated. STUDY OBJECTIVE Analyze the therapeutic indications, the main chemical constituents, and the biological activities of native species of the Psidium to Brazil. MATERIALS AND METHODS Systematic research was carried out in the Scopus, ScienceDirect, PubMed, and Web of Science databases over a period of ten years. Articles in English, Portuguese and Spanish were used. The research was divided into three phases, seeking information on ethnobotany, chemical composition and biological activities. The words were combined to structure the descriptors used in the search. RESULTS A total of 13 native species belonging to the Psidium genus were identified in this analysis, Psidium acutangulum DC., Psidium brownianum Mart. ex DC., Psidium cattleyanum Sabine, Psidium densicomum Mart. ex DC., Psidium grandifolium Mart. ex DC., Psidium guineense Sw., Psidium laruotteanum Cambess., Psidium myrsinites DC, Psidium myrtoides O. Berg, Psidium salutare (Kunth) O. Berg, Psidium schenckianum Kiaersk., Psidium sobralianum Proença & Landrum, Psidium striatulum Mart. ex DC. Of these, six were indicated in folk medicine, digestive system disorders being their main therapeutic indication. Most species presented an investigation of chemical composition and biological activity. They are rich in phenolic compounds, flavonoids, and terpenes and have antimicrobial, antioxidant, antiproliferative, and repellent activities. CONCLUSIONS Native species of the Psidium genus are important sources of active ingredients in combating adversities that affect the human health, especially regarding the digestive system. They have a rich chemical composition, responsible for the biological activities demonstrated for the species.
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Affiliation(s)
| | - Juliana Melo Linhares Rangel
- Laboratório de Ecologia Vegetal, Universidade Regional Do Cariri, Departamento de Ciências Biológicas, 63105-000, Crato, CE, Brazil.
| | - Maria de Oliveira Santos
- Laboratório de Ecologia Vegetal, Universidade Regional Do Cariri, Departamento de Ciências Biológicas, 63105-000, Crato, CE, Brazil.
| | - Cicera Janaine Camilo
- Laboratório de Pesquisa de Produtos Naturais, Universidade Regional Do Cariri, Departamento de Química Biológica, 63105-000, Crato, CE, Brazil.
| | - José Galberto Martins da Costa
- Laboratório de Pesquisa de Produtos Naturais, Universidade Regional Do Cariri, Departamento de Química Biológica, 63105-000, Crato, CE, Brazil.
| | - Marta Maria de Almeida Souza
- Laboratório de Ecologia Vegetal, Universidade Regional Do Cariri, Departamento de Ciências Biológicas, 63105-000, Crato, CE, Brazil.
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Beltrame BM, Klein-Junior LC, Schwanz M, Henriques AT. Psidium L. genus: A review on its chemical characterization, preclinical and clinical studies. Phytother Res 2021; 35:4795-4803. [PMID: 33826191 DOI: 10.1002/ptr.7112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 03/01/2021] [Accepted: 03/23/2021] [Indexed: 11/08/2022]
Abstract
The Myrtaceae family is considered one of the largest known botanical families and the genus Psidium is among the most economically interesting. Psidium genus comprises approximately 112 species, and it has been extensively studied, mainly because of Psidium guavaja species. Phytochemical investigations confirmed the presence of phenolics as the main compounds, as well as the essential oils, which were also widely investigated. Pharmacological studies report analgesic, anthelminthic, acaricidal, antihiperglicemic, among other biological activities for different species. The present review covers the relevant literature until 2019 and outlines the current data on chemical composition, preclinical and clinical studies on Psidium species, as well as the main possible mechanisms of action responsible for the described activities. Therefore, it can provide a reference for pharmaceutical research and clinical application of this genus.
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Affiliation(s)
- Betina M Beltrame
- Pharmacognosy Laboratory, Faculty of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Luiz C Klein-Junior
- School of Health Sciences, Universidade do Vale do Itajaí (UNIVALI), Itajaí, Santa Catarina, Brazil
| | - Melissa Schwanz
- Pharmacognosy Laboratory, Life Sciences Knowledge Area, University of Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil
| | - Amélia T Henriques
- Pharmacognosy Laboratory, Faculty of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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Dkhil MA, Al-Quraishy S, Al-Shaebi EM, Abdel-Gaber R, Thagfan FA, Qasem MA. Medicinal plants as a fight against murine blood-stage malaria. Saudi J Biol Sci 2021; 28:1723-1738. [PMID: 33732056 PMCID: PMC7938113 DOI: 10.1016/j.sjbs.2020.12.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/06/2020] [Accepted: 12/08/2020] [Indexed: 01/18/2023] Open
Abstract
OBJECTIVE Malaria is an infectious parasitic disease affecting most of countries worldwide. Due to antimalarial drug resistance, researchers are seeking to find another safe efficient source for treatment of malaria. Since many years ago, medicinal plants were widely used for the treatment of several diseases. In general, most application is done first on experimental animals then human. In this article, medicinal plants as antimalarial agents in experimental animals were reviewed from January 2000 until November 2020. MATERIALS AND METHODS In this systematic review published articles were reviewed using the electronic databases NCBI, ISI Web of knowledge, ScienceDirect and Saudi digital library to check articles and theses for M.Sc/Ph.D. The name of the medicinal plant with its taxon ID and family, the used Plasmodium species, plant part used and its extract type and the country of harvest were described. RESULTS AND CONCLUSION The reviewed plants belonged to 83 families. Medicinal plants of families Asteraceae, Meliaceae Fabaceae and Lamiaceae are the most abundant for use in laboratory animal antimalarial studies. According to region, published articles from 33 different countries were reviewed. Most of malaria published articles are from Africa especially Nigeria and Ethiopia. Leaves were the most common plant part used for the experimental malaria research. In many regions, research using medicinal plants to eliminate parasites and as a defensive tool is popular.
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Affiliation(s)
- Mohamed A. Dkhil
- Department of Zoology, College of Science, King Saud University, Saudi Arabia
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Egypt
| | - Saleh Al-Quraishy
- Department of Zoology, College of Science, King Saud University, Saudi Arabia
| | - Esam M. Al-Shaebi
- Department of Zoology, College of Science, King Saud University, Saudi Arabia
| | - Rewaida Abdel-Gaber
- Department of Zoology, College of Science, King Saud University, Saudi Arabia
- Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt
| | - Felwa Abdullah Thagfan
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Mahmood A.A. Qasem
- Department of Zoology, College of Science, King Saud University, Saudi Arabia
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9
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Calas AG, Hanak AS, Jaffré N, Nervo A, Dias J, Rousseau C, Courageux C, Brazzolotto X, Villa P, Obrecht A, Goossens JF, Landry C, Hachani J, Gosselet F, Dehouck MP, Yerri J, Kliachyna M, Baati R, Nachon F. Efficacy Assessment of an Uncharged Reactivator of NOP-Inhibited Acetylcholinesterase Based on Tetrahydroacridine Pyridine-Aldoxime Hybrid in Mouse Compared to Pralidoxime. Biomolecules 2020; 10:E858. [PMID: 32512884 DOI: 10.3390/biom10060858] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/01/2020] [Accepted: 06/03/2020] [Indexed: 12/11/2022] Open
Abstract
(1) Background: Human exposure to organophosphorus compounds employed as pesticides or as chemical warfare agents induces deleterious effects due to cholinesterase inhibition. One therapeutic approach is the reactivation of inhibited acetylcholinesterase by oximes. While currently available oximes are unable to reach the central nervous system to reactivate cholinesterases or to display a wide spectrum of action against the variety of organophosphorus compounds, we aim to identify new reactivators without such drawbacks. (2) Methods: This study gathers an exhaustive work to assess in vitro and in vivo efficacy, and toxicity of a hybrid tetrahydroacridine pyridinaldoxime reactivator, KM297, compared to pralidoxime. (3) Results: Blood–brain barrier crossing assay carried out on a human in vitro model established that KM297 has an endothelial permeability coefficient twice that of pralidoxime. It also presents higher cytotoxicity, particularly on bone marrow-derived cells. Its strong cholinesterase inhibition potency seems to be correlated to its low protective efficacy in mice exposed to paraoxon. Ventilatory monitoring of KM297-treated mice by double-chamber plethysmography shows toxic effects at the selected therapeutic dose. This breathing assessment could help define the No Observed Adverse Effect Level (NOAEL) dose of new oximes which would have a maximum therapeutic effect without any toxic side effects.
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Bollenbach M, Salvat E, Daubeuf F, Wagner P, Yalcin I, Humo M, Letellier B, Becker LJ, Bihel F, Bourguignon JJ, Villa P, Obrecht A, Frossard N, Barrot M, Schmitt M. Phenylpyridine-2-ylguanidines and rigid mimetics as novel inhibitors of TNFα overproduction: Beneficial action in models of neuropathic pain and of acute lung inflammation. Eur J Med Chem 2018; 147:163-182. [PMID: 29432948 DOI: 10.1016/j.ejmech.2018.01.049] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 01/13/2018] [Accepted: 01/16/2018] [Indexed: 10/18/2022]
Abstract
4-phenylpyridin-2-yl-guanidine (5b): a new inhibitor of the overproduction of pro-inflammatory cytokines (TNFα and Il1β) was identified from a high-throughput screening of a chemical library on human peripheral blood mononuclear cells (PBMCs) after LPS stimulation. Derivatives, homologues and rigid mimetics of 5b were designed and synthesized, and their cytotoxicity and ability to inhibit TNFα overproduction were evaluated. Among them, compound 5b and its mimetic 12 (2-aminodihydroquinazoline) showed similar inhibitory activities, and were evaluated in vivo in models of lung inflammation and neuropathic pain in mice. In particular, compound 12 proved to be active (5 mg/kg, ip) in both models.
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Affiliation(s)
- Maud Bollenbach
- CNRS, Université de Strasbourg, UMR7200 Laboratoire d' Innovation Thérapeutique, 67401 Illkirch, France; Labex MEDALIS, 67000 Strasbourg, France
| | - Eric Salvat
- CNRS, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, 67000 Strasbourg, France; Hôpitaux universitaires de Strasbourg, Centre d'Evaluation et de Traitement de la Douleur, 67000 Strasbourg, France
| | - François Daubeuf
- CNRS, Université de Strasbourg, UMR7200 Laboratoire d' Innovation Thérapeutique, 67401 Illkirch, France; CNRS, Université de Strasbourg, UMS3286 PCBIS Plateforme de chimie biologique intégrative, 67400 Illkirch, France; Labex MEDALIS, 67000 Strasbourg, France
| | - Patrick Wagner
- CNRS, Université de Strasbourg, UMR7200 Laboratoire d' Innovation Thérapeutique, 67401 Illkirch, France; Labex MEDALIS, 67000 Strasbourg, France
| | - Ipek Yalcin
- CNRS, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, 67000 Strasbourg, France
| | - Muris Humo
- CNRS, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, 67000 Strasbourg, France
| | - Baptiste Letellier
- CNRS, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, 67000 Strasbourg, France
| | - Léa J Becker
- CNRS, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, 67000 Strasbourg, France
| | - Frédéric Bihel
- CNRS, Université de Strasbourg, UMR7200 Laboratoire d' Innovation Thérapeutique, 67401 Illkirch, France; Labex MEDALIS, 67000 Strasbourg, France
| | - Jean-Jacques Bourguignon
- CNRS, Université de Strasbourg, UMR7200 Laboratoire d' Innovation Thérapeutique, 67401 Illkirch, France; Labex MEDALIS, 67000 Strasbourg, France
| | - Pascal Villa
- CNRS, Université de Strasbourg, UMS3286 PCBIS Plateforme de chimie biologique intégrative, 67400 Illkirch, France; Labex MEDALIS, 67000 Strasbourg, France
| | - Adeline Obrecht
- CNRS, Université de Strasbourg, UMS3286 PCBIS Plateforme de chimie biologique intégrative, 67400 Illkirch, France; Labex MEDALIS, 67000 Strasbourg, France
| | - Nelly Frossard
- CNRS, Université de Strasbourg, UMR7200 Laboratoire d' Innovation Thérapeutique, 67401 Illkirch, France; Labex MEDALIS, 67000 Strasbourg, France
| | - Michel Barrot
- CNRS, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, 67000 Strasbourg, France
| | - Martine Schmitt
- CNRS, Université de Strasbourg, UMR7200 Laboratoire d' Innovation Thérapeutique, 67401 Illkirch, France; Labex MEDALIS, 67000 Strasbourg, France.
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do Nascimento KF, Moreira FMF, Alencar Santos J, Kassuya CAL, Croda JHR, Cardoso CAL, Vieira MDC, Góis Ruiz ALT, Ann Foglio M, de Carvalho JE, Formagio ASN. Antioxidant, anti-inflammatory, antiproliferative and antimycobacterial activities of the essential oil of Psidium guineense Sw. and spathulenol. J Ethnopharmacol 2018; 210:351-358. [PMID: 28844678 DOI: 10.1016/j.jep.2017.08.030] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 08/15/2017] [Accepted: 08/23/2017] [Indexed: 05/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Leaves from Psidium guineense Sw. are used in popular medicine for the treatment of inflammatory disease. However, there is no scientific evidence demonstrating this activity. AIM OF THE STUDY To evaluate the antioxidant, anti-inflammatory, antiproliferative and antimycobacterial activities of the essential oil of P. guineense and spathulenol (a major constituent). The study was conducted in part to provide evidence supporting the ethnobotanical use of the leaves of this species. MATERIAL AND METHODS The essential oil (EOPG) was extracted from the leaves of P. guineense by hydrodistillation and analysed by gas chromatography-mass spectrometry (GC-MS). The major compound, spathulenol (PG-1), was isolated in a chromatographic column and characterized by nuclear magnetic resonance (NMR). EOPG and PG-1 were evaluated in vitro for antioxidant activity by DPPH, ABTS and MDA methods; anti-inflammatory potential was assessed using two models, including pleurisy and oedema, in mice. The impact of EOPG and PG-1 on cell proliferation was determined via spectrophotometric quantification of the cellular protein content using a sulforhodamine B assay, and anti-Mycobacterium tuberculosis activity was determined using the REMA method. RESULTS A total of 38 components were identified from the EOPG, with the sesquiterpenic alcohol spathulenol (PG-1) (80.7%) being the major constituent. EOPG and PG-1 exhibited the highest antioxidant activities in the DPPH and MDA system compared with reference standard, with IC50 values ranging from 26.13 to 85.60μg/mL. Oral administration of EOPG and PG-1 showed significant inhibition in the Cg-induced mice paw oedema and pleurisy model. The EOPG (GI50 = 0.89μg/mL) and PG-1 (GI50 = 49.30μg/mL) were particularly effective against the ovarian cancer cell line. Both showed moderate antimycobacterial activity. CONCLUSION For the first time, this study demonstrated the antioxidant, anti-inflammatory, antiproliferative and antimycobacterial properties of the essential oil of P. guineense (leaves were collected in Dourados-MS) and spathulenol, collaborating the etnhopharmacologycal use of this plant due to its an anti-inflammatory effect.
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Affiliation(s)
| | | | - Joyce Alencar Santos
- Faculty of Health Sciences, Federal University of Grande Dourados UFGD, MS, Brazil.
| | | | - Julio Henrique Rosa Croda
- Faculty of Health Sciences, Federal University of Grande Dourados UFGD, MS, Brazil; Oswaldo Cruz Foundation, Campo Grande, MS, Brazil.
| | | | - Maria do Carmo Vieira
- Faculty of Agricultural Sciences, Federal University of Grande Dourados UFGD, Mato Grosso do Sul State, Brazil.
| | - Ana Lúcia Tasca Góis Ruiz
- Multidisciplinary Center for Chemical, Biological, and Agricultural Research, University of Campinas Unicamp, SP, Brazil.
| | - Mary Ann Foglio
- Multidisciplinary Center for Chemical, Biological, and Agricultural Research, University of Campinas Unicamp, SP, Brazil.
| | - João Ernesto de Carvalho
- Multidisciplinary Center for Chemical, Biological, and Agricultural Research, University of Campinas Unicamp, SP, Brazil.
| | - Anelise Samara Nazari Formagio
- Faculty of Biological and Environmental Sciences, Federal University of Grande Dourados UFGD, MS, Brazil; Faculty of Health Sciences, Federal University of Grande Dourados UFGD, MS, Brazil.
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Houël E, Nardella F, Jullian V, Valentin A, Vonthron-Sénécheau C, Villa P, Obrecht A, Kaiser M, Bourreau E, Odonne G, Fleury M, Bourdy G, Eparvier V, Deharo E, Stien D. Wayanin and guaijaverin, two active metabolites found in a Psidium acutangulum Mart. ex DC (syn. P. persoonii McVaugh) (Myrtaceae) antimalarial decoction from the Wayana Amerindians. J Ethnopharmacol 2016; 187:241-8. [PMID: 27132714 DOI: 10.1016/j.jep.2016.04.053] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 04/14/2016] [Accepted: 04/28/2016] [Indexed: 05/20/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Psidium acutangulum Mart. ex DC is a small tree used by the Wayana Amerindians from the Upper-Maroni in French Guiana for the treatment of malaria. AIM OF THE STUDY In a previous study, we highlighted the in vitro antiplasmodial, antioxidant and anti-inflammatory potential of the traditional decoction of P. acutangulum aerial parts. Our goal was then to investigate on the origin of the biological activity of the traditional remedy, and eventually characterize active constituents. MATERIALS AND METHODS Liquid-liquid extractions were performed on the decoction, and the antiplasmodial activity evaluated against chloroquine-resistant FcB1 ([(3)H]-hypoxanthine bioassay) and 7G8 (pLDH bioassay) P. falciparum strains, and on a chloroquine sensitive NF54 ([(3)H]-hypoxanthine bioassay) P. falciparum strain. The ethyl acetate fraction (D) was active and underwent bioguided fractionation. All the isolated compounds were tested on P. falciparum FcB1 strain. In vitro anti-inflammatory activity (IL-1β, IL-6, IL-8, TNFα) of the ethyl acetate fraction and of an anti-Plasmodium active compound, was concurrently assessed on LPS-stimulated human PBMC and NO secretion inhibition was measured on LPS stimulated RAW murine macrophages. Cytotoxicity of the fractions and pure compounds was measured on VERO cells, L6 mammalian cells, PBMCs, and RAW cells. RESULTS Fractionation of the ethyl acetate soluble fraction (IC50 ranging from 3.4 to <1µg/mL depending on the parasite strain) led to the isolation of six pure compounds: catechin and five glycosylated quercetin derivatives. These compounds have never been isolated from this plant species. Two of these compounds (wayanin and guaijaverin) were found to be moderately active against P. falciparum FcB1 in vitro (IC50 5.5 and 6.9µM respectively). We proposed the name wayanin during public meetings organized in June 2015 in the Upper-Maroni villages, in homage to the medicinal knowledge of the Wayana population. At 50µg/mL, the ethyl acetate fraction (D) significantly inhibited IL-1β secretion (-46%) and NO production (-21%), as previously observed for the decoction. The effects of D and guiajaverin (4) on the secretion of other cytokines or NO production were not significant. CONCLUSIONS The confirmed antiplasmodial activity of the ethyl acetate soluble fraction of the decoction and of the isolated compounds support the previous results obtained on the P. acutangulum decoction. The antiplasmodial activity might be due to a mixture of moderately active non-toxic flavonoids. The anti-inflammatory activities were less marked for ethyl acetate fraction (D) than for the decoction.
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Affiliation(s)
- Emeline Houël
- CNRS, UMR EcoFoG (AgroParisTech, CIRAD, INRA, UA, UG), Institut Pasteur de la Guyane, 23 Avenue Pasteur, BP6010, 97306 Cayenne Cedex, French Guiana.
| | - Flore Nardella
- Laboratoire d'Innovation Thérapeutique UMR CNRS 7200, LabEx Medalis, Faculté de Pharmacie, Université de Strasbourg, 74 route du Rhin, 67401 Illkirch cedex, France; Institut de Parasitologie et de Pathologie Tropicale de Strasbourg (IPPTS) - Faculté de Médecine, Université de Strasbourg, Strasbourg, France
| | - Valérie Jullian
- UMR 152 Pharma Dev, Université de Toulouse, IRD, UPS, France
| | - Alexis Valentin
- UMR 152 Pharma Dev, Université de Toulouse, IRD, UPS, France
| | - Catherine Vonthron-Sénécheau
- Laboratoire d'Innovation Thérapeutique UMR CNRS 7200, LabEx Medalis, Faculté de Pharmacie, Université de Strasbourg, 74 route du Rhin, 67401 Illkirch cedex, France
| | - Pascal Villa
- Plate-forme de Chimie Biologique Intégrative de Strasbourg UMS 3286 CNRS-Université de Strasbourg, LabEx Medalis et FMTS, ESBS Pôle API, Bld Sébastien Brant, 67412 Illkirch Cedex, France
| | - Adeline Obrecht
- Plate-forme de Chimie Biologique Intégrative de Strasbourg UMS 3286 CNRS-Université de Strasbourg, LabEx Medalis et FMTS, ESBS Pôle API, Bld Sébastien Brant, 67412 Illkirch Cedex, France
| | - Marcel Kaiser
- Swiss Tropical and Public Health Institution, Socinstrasse 57, 4002 Basel, Switzerland; University of Basel, Petersplatz 1, 4003 Basel, Switzerland
| | - Eliane Bourreau
- Institut Pasteur de la Guyane, 23 Avenue Pasteur, BP6010, 97306 Cayenne Cedex, French Guiana
| | - Guillaume Odonne
- Laboratoire Ecologie,évolution, interactions des systèmes amazoniens (LEEISA), CNRS, Université de Guyane, IFREMER, 97300 Cayenne, French Guiana
| | - Marie Fleury
- Museum National d'Histoire Naturelle, UMR 208 PALoc, MNHN-IRD, BP 165, 97323 Cayenne cedex, French Guiana
| | | | - Véronique Eparvier
- CNRS - Institut de Chimie des Substances Naturelles, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France
| | - Eric Deharo
- UMR 152 Pharma Dev, Université de Toulouse, IRD, UPS, France
| | - Didier Stien
- CNRS - Institut de Chimie des Substances Naturelles, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France; Sorbonne Universités, UPMC Univ Paris 06, CNRS, Laboratoire de Biodiversité et Biotechnologies Microbiennes (LBBM), Observatoire Océanologique, 66650 Banyuls/Mer, France.
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Saxena A, Yadav D, Mohanty S, Cheema HS, Gupta MM, Darokar MP, Bawankule DU. Diarylheptanoids Rich Fraction of Alnus nepalensis Attenuates Malaria Pathogenesis: In-vitro and In-vivo Study. Phytother Res 2016; 30:940-8. [PMID: 26969854 DOI: 10.1002/ptr.5596] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 01/21/2016] [Accepted: 01/30/2016] [Indexed: 11/11/2022]
Abstract
Diarylheptanoids from Alnus nepalensis leaves have been reported for promising activity against filariasis, a mosquito-borne disease, and this has prompted us to investigate its anti-malarial and safety profile using in-vitro and in-vivo bioassays. A. nepalensis leaf extracts were tested in-vitro against chloroquine-sensitive Plasmodium falciparum NF54 by measuring the parasite specific lactate dehydrogenase activity. Among all, the chloroform extract (ANC) has shown promising anti-plasmodial activity (IC50 8.06 ± 0.26 µg/mL). HPLC analysis of ANC showed the presence of diarylheptanoids. Efficacy and safety of ANC were further validated in in-vivo system using Plasmodium berghei-induced malaria model and acute oral toxicity in mice. Malaria was induced by intra-peritoneal injection of P. berghei infected red blood cells to the female Balb/c mice. ANC was administered orally at doses of 100 and 300 mg/kg/day following Peter's 4 day suppression test. Oral administration of ANC showed significant reduction of parasitaemia and increase in mean survival time. It also attributed to inhibition of the parasite induced pro-inflammatory cytokines as well as afford to significant increase in the blood glucose and haemoglobin level when compared with vehicle-treated infected mice. In-vivo safety evaluation study revealed that ANC is non-toxic at higher concentration. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Archana Saxena
- Molecular Bioprospection Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Deepti Yadav
- Analytical Chemistry Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Shilpa Mohanty
- Molecular Bioprospection Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Harveer Singh Cheema
- Molecular Bioprospection Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Madan M Gupta
- Analytical Chemistry Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Mahendra P Darokar
- Molecular Bioprospection Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Dnyaneshwar U Bawankule
- Molecular Bioprospection Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
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Kffuri CW, Lopes MA, Ming LC, Odonne G, Kinupp VF. Antimalarial plants used by indigenous people of the Upper Rio Negro in Amazonas, Brazil. J Ethnopharmacol 2016; 178:188-198. [PMID: 26656535 DOI: 10.1016/j.jep.2015.11.048] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Revised: 11/24/2015] [Accepted: 11/30/2015] [Indexed: 06/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE This is the first intercultural report of antimalarial plants in this region. The aim of this study was to document the medicinal plants used against malaria by indigenous people in the Upper Rio Negro region and to review the literature on antimalarial activity and traditional use of the cited species. MATERIALS AND METHODS Participant observation, semi-structured interviews, and ethnobotanical walks were conducted with 89 informants in five indigenous communities between April 2010 and November 2013 to obtain information on the use of medicinal plants against malaria. We reviewed academic databases for papers published in scientific journals up to January 2014 in order to find works on ethnopharmacology, ethnobotany, and antimalarial activity of the species cited. RESULTS Forty-six plant species belonging to 24 families are mentioned. Fabaceae (17.4%), Arecaceae (13.0%) and Euphorbiaceae (6.5%) account together for 36.9% of these species. Only seven plant species showed a relatively high consensus. Among the plant parts, barks (34.0%) and roots (28.0%) were the most widely used. Of the 46 species cited, 18 (39.1%) have already been studied for their antimalarial properties according to the literature, and 26 species (56.5%) have no laboratory essays on antimalarial activity. CONCLUSIONS Local traditional knowledge of the use of antimalarials is still widespread in indigenous communities of the Upper Rio Negro, where 46 plants species used against malaria were recorded. Our studies highlight promising new plants for future studies: Glycidendron amazonicum, Heteropsis tenuispadix, Monopteryx uaucu, Phenakospermum guianensis, Pouteria ucuqui, Sagotia brachysepala and notably Aspidosperma schultesii, Ampelozizyphus amazonicus, Euterpe catinga, E. precatoria, Physalis angulata, Cocos nucifera and Swartzia argentea with high-use consensus. Experimental validation of these remedies may help in developing new drugs for malaria.
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Affiliation(s)
- Carolina Weber Kffuri
- Universidade Estadual Paulista, Faculdade de Ciências Agronômica de Botucatu, Departamento de Horticultura, Rua José Barbosa de Barros, 1780, 18.610-307 Botucatu, São Paulo, Brazil.
| | | | - Lin Chau Ming
- Universidade Estadual Paulista, Faculdade de Ciências Agronômica de Botucatu, Departamento de Horticultura, Rua José Barbosa de Barros, 1780, 18.610-307 Botucatu, São Paulo, Brazil
| | - Guillaume Odonne
- CNRS-Guyane(USR 3456), 2 avenue Gustave Charlery, 97300 Cayenne, French Guiana
| | - Valdely Ferreira Kinupp
- Herbário EAFM, Instituto de Educação, Ciência e Tecnologia do Amazonas (IFAM), Manaus, Amazonas, Brazil
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