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Essid R, Damergi B, Fares N, Jallouli S, Limam F, Tabbene O. Synergistic combination of Cinnamomum verum and Syzygium aromaticum treatment for cutaneous leishmaniasis and investigation of their molecular mechanism of action. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:2687-2701. [PMID: 37855230 DOI: 10.1080/09603123.2023.2267470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 10/02/2023] [Indexed: 10/20/2023]
Abstract
Combination therapy at appropriately suitable doses presents a promising alternative to monotherapeutic drugs. In this study, Cinnamomum verum and Syzygium aromaticum essential oils and their major compounds have exhibited substantial leishmaniacidal potential against both promastigote and amastigote forms of Leishmania (L.) major. However, they displayed high cytotoxicity against Raw264.7 macrophage cells. Interestingly, when combined with each other or with amphotericin B, they demonstrated a synergistic effect (FIC<0.5) with low cytotoxicity. These combinations are able to modulate the production of nitric oxide (NO) by macrophages. Notably, the combination of S. aromaticum Essential oil with amphotericin B stimulates macrophage cells by increasing NO production to eliminate leishmanial parasites. Furthermore, investigation of the molecular mechanism of action of these synergistic combinations reveals potent inhibition of the sterol pathway through the inhibition of the CYP51 gene expression. The findings suggest that combination therapy may offer significant therapeutic benefits in both food and pharmaceutical fields.
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Affiliation(s)
- Rym Essid
- Laboratory of Bioactive Substances, Biotechnology Center of Borj-Cedria Technopole, Hammam-Lif, Tunisia
| | - Bilel Damergi
- Laboratory of Bioactive Substances, Biotechnology Center of Borj-Cedria Technopole, Hammam-Lif, Tunisia
| | - Nadia Fares
- Laboratory of Bioactive Substances, Biotechnology Center of Borj-Cedria Technopole, Hammam-Lif, Tunisia
| | - Selim Jallouli
- Laboratory of Bioactive Substances, Biotechnology Center of Borj-Cedria Technopole, Hammam-Lif, Tunisia
| | - Ferid Limam
- Laboratory of Bioactive Substances, Biotechnology Center of Borj-Cedria Technopole, Hammam-Lif, Tunisia
| | - Olfa Tabbene
- Laboratory of Bioactive Substances, Biotechnology Center of Borj-Cedria Technopole, Hammam-Lif, Tunisia
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2
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Ranasinghe S, Armson A, Lymbery AJ, Zahedi A, Ash A. Medicinal plants as a source of antiparasitics: an overview of experimental studies. Pathog Glob Health 2023; 117:535-553. [PMID: 36805662 PMCID: PMC10392325 DOI: 10.1080/20477724.2023.2179454] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
Abstract
Despite advances in modern human and veterinary medicine, gastrointestinal (GI) parasitic infections remain a significant health issue worldwide, mainly in developing countries. Increasing evidence of the multi-drug resistance of these parasites and the side effects of currently available synthetic drugs have led to increased research on alternative medicines to treat parasitic infections. The exploration of potential botanical antiparasitics, which are inexpensive and abundant, may be a promising alternative in this context. This study summarizes the in vitro/in vivo antiparasitic efficacy of different medicinal plants and their components against GI parasites. Published literature from 1990-2020 was retrieved from Google Scholar, Web of Science, PubMed and Scopus. A total of 68 plant species belonging to 32 families have been evaluated as antiparasitic agents against GI parasites worldwide. The majority of studies (70%) were conducted in vitro. Most plants were from the Fabaceae family (53%, n = 18). Methanol (37%, n = 35) was the most used solvent. Leaf (22%, n = 16) was the most used plant part, followed by seed and rhizome (each 12%, n = 9). These studies suggest that herbal medicines hold a great scope for new drug discoveries against parasitic diseases and that the derivatives of these plants are useful structures for drug synthesis and bioactivity optimization.
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Affiliation(s)
- Sandamalie Ranasinghe
- Centre for Biosecurity and One Health, Harry Butler Institute, Murdoch University, Perth, Western Australia, Australia
| | - Anthony Armson
- Exercise Science and Chiropractic, College of Science, Health, Engineering and Education, Murdoch University, Perth, Western Australia, Australia
| | - Alan J. Lymbery
- Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, Murdoch University, Perth, Western Australia, Australia
| | - Alireza Zahedi
- Centre for Biosecurity and One Health, Harry Butler Institute, Murdoch University, Perth, Western Australia, Australia
| | - Amanda Ash
- Centre for Biosecurity and One Health, Harry Butler Institute, Murdoch University, Perth, Western Australia, Australia
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3
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Hughes K, Le TB, Van Der Smissen P, Tyteca D, Mingeot-Leclercq MP, Quetin-Leclercq J. The Antileishmanial Activity of Eugenol Associated with Lipid Storage Reduction Rather Than Membrane Properties Alterations. Molecules 2023; 28:molecules28093871. [PMID: 37175277 PMCID: PMC10179746 DOI: 10.3390/molecules28093871] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/26/2023] [Accepted: 04/29/2023] [Indexed: 05/15/2023] Open
Abstract
Leishmaniasis is a neglected tropical disease that still infects thousands of people per year throughout the world. The occurrence of resistance against major treatments for this disease causes a healthcare burden in low-income countries. Eugenol is a phenylpropanoid that has shown in vitro antileishmanial activity against Leishmania mexicana mexicana (Lmm) promastigotes with an IC50 of 2.72 µg/mL and a high selectivity index. Its specific mechanism of action has yet to be studied. We prepared large unilamellar vesicles (LUVs), mimicking Lmm membranes, and observed that eugenol induced an increase in membrane permeability and a decrease in membrane fluidity at concentrations much higher than IC50. The effect of eugenol was similar to the current therapeutic antibiotic, amphotericin B, although the latter was effective at lower concentrations than eugenol. However, unlike amphotericin B, eugenol also affected the permeability of LUVs without sterol. Its effect on the membrane fluidity of Lmm showed that at high concentrations (≥22.5× IC50), eugenol increased membrane fluidity by 20-30%, while no effect was observed at lower concentrations. Furthermore, at concentrations below 10× IC50, a decrease in metabolic activity associated with the maintenance of membrane integrity revealed a leishmaniostatic effect after 24 h of incubation with Lmm promastigotes. While acidocalcisomes distribution and abundance revealed by Trypanosoma brucei vacuolar H+ pyrophosphatase (TbVP1) immunolabeling was not modified by eugenol, a dose-dependent decrease of lipid droplets assessed by the Nile Red assay was observed. We hereby demonstrate that the antileishmanial activity of eugenol might not directly involve plasma membrane sterols such as ergosterol, but rather target the lipid storage of Lmm.
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Affiliation(s)
- Kristelle Hughes
- Pharmacognosy Research Group, Louvain Drug Research Institute, Université Catholique de Louvain, Avenue E. Mounier 72, B1.72.03, B-1200 Brussels, Belgium
| | - Thanh Binh Le
- Pharmacognosy Research Group, Louvain Drug Research Institute, Université Catholique de Louvain, Avenue E. Mounier 72, B1.72.03, B-1200 Brussels, Belgium
| | - Patrick Van Der Smissen
- CELL Unit and PICT Imaging Platform, de Duve Institute, Université Catholique de Louvain, Avenue Hippocrate 75, B1.75.05, B-1200 Brussels, Belgium
| | - Donatienne Tyteca
- CELL Unit and PICT Imaging Platform, de Duve Institute, Université Catholique de Louvain, Avenue Hippocrate 75, B1.75.05, B-1200 Brussels, Belgium
| | - Marie-Paule Mingeot-Leclercq
- Cellular and Molecular Pharmacology Unit (FACM), Louvain Drug Research Institute, Université Catholique de Louvain, Avenue E. Mounier 73, B1.73.05, B-1200 Brussels, Belgium
| | - Joëlle Quetin-Leclercq
- Pharmacognosy Research Group, Louvain Drug Research Institute, Université Catholique de Louvain, Avenue E. Mounier 72, B1.72.03, B-1200 Brussels, Belgium
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4
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Luu-dam NA, Le CVC, Satyal P, Le TMH, Bui VH, Vo VH, Ngo GH, Bui TC, Nguyen HH, Setzer WN. Chemistry and Bioactivity of Croton Essential Oils: Literature Survey and Croton hirtus from Vietnam. Molecules 2023; 28:molecules28052361. [PMID: 36903605 PMCID: PMC10005233 DOI: 10.3390/molecules28052361] [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: 01/27/2023] [Revised: 02/28/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
Using essential oils to control vectors, intermediate hosts, and disease-causing microorganisms is a promising approach. The genus Croton in the family Euphorbiaceae is a large genus, with many species containing large amounts of essential oils, however, essential oil studies are limited in terms of the number of Croton species investigated. In this work, the aerial parts of C. hirtus growing wild in Vietnam were collected and analyzed by gas chromatography/mass spectrometry (GC/MS). A total of 141 compounds were identified in C. hirtus essential oil, in which sesquiterpenoids dominated, comprising 95.4%, including the main components β-caryophyllene (32.8%), germacrene D (11.6%), β-elemene (9.1%), α-humulene (8.5%), and caryophyllene oxide (5.0%). The essential oil of C. hirtus showed very strong biological activities against the larvae of four mosquito species with 24 h LC50 values in the range of 15.38-78.27 μg/mL, against Physella acuta adults with a 48 h LC50 value of 10.09 μg/mL, and against ATCC microorganisms with MIC values in the range of 8-16 μg/mL. In order to provide a comparison with previous works, a literature survey on the chemical composition, mosquito larvicidal, molluscicidal, antiparasitic, and antimicrobial activities of essential oils of Croton species was conducted. Seventy-two references (seventy articles and one book) out of a total of two hundred and forty-four references related to the chemical composition and bioactivity of essential oils of Croton species were used for this paper. The essential oils of some Croton species were characterized by their phenylpropanoid compounds. The experimental results of this research and the survey of the literature showed that Croton essential oils have the potential to be used to control mosquito-borne and mollusk-borne diseases, as well as microbial infections. Research on unstudied Croton species is needed to search for species with high essential oil contents and excellent biological activities.
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Affiliation(s)
- Ngoc Anh Luu-dam
- Vietnam National Museum of Nature, Vietnam Academy of Science and Technology (VAST), No. 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam
- Vietnam Academy of Science and Technology (VAST), Graduate University of Science and Technology, No. 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam
| | - Canh Viet Cuong Le
- Mientrung Institute for Scientific Research, Vietnam National Museum of Nature, Vietnam Academy of Science and Technology (VAST), 321 Huynh Thuc Khang, Hue 530000, Thua Thien Hue, Vietnam
| | - Prabodh Satyal
- Aromatic Plant Research Center, 230 N 1200 E, Suite 100, Lehi, UT 84043, USA
| | - Thi Mai Hoa Le
- Faculty of Pharmacy, Vinh Medical University, 161 Nguyen Phong Sac, Vinh 461150, Vietnam
| | - Van Huong Bui
- Vietnam National Museum of Nature, Vietnam Academy of Science and Technology (VAST), No. 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam
- Vietnam Academy of Science and Technology (VAST), Graduate University of Science and Technology, No. 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam
| | - Van Hoa Vo
- Department of Pharmacy, Duy Tan University, 03 Quang Trung, Da Nang 550000, Vietnam
| | - Gia Huy Ngo
- Department of Pharmacy, Duy Tan University, 03 Quang Trung, Da Nang 550000, Vietnam
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang 5000, Vietnam
| | - Thi Chinh Bui
- Faculty of Biology, University of Education, Hue University, 34 Le Loi St., Hue 530000, Vietnam
| | - Huy Hung Nguyen
- Department of Pharmacy, Duy Tan University, 03 Quang Trung, Da Nang 550000, Vietnam
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang 5000, Vietnam
- Correspondence: ; Tel.: +84-967036828
| | - William N. Setzer
- Aromatic Plant Research Center, 230 N 1200 E, Suite 100, Lehi, UT 84043, USA
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA
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5
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Ribeiro IMM, de Sousa VC, Melo ECS, Carvalho RDCVD, Santos MDSD, Neto JADON, Melo DSD, Teixeira LSDA, Citó AMDGL, Moura AKS, Arcanjo DDR, Carvalho FADA, Alves MMDM, Mendonça ILD. Antileishmania and immunomodulatory potential of cashew nut shell liquid and cardanol. Toxicol In Vitro 2023; 87:105524. [PMID: 36435415 DOI: 10.1016/j.tiv.2022.105524] [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: 08/23/2022] [Revised: 10/25/2022] [Accepted: 11/21/2022] [Indexed: 11/24/2022]
Abstract
Conventional treatments for leishmaniasis have caused serious adverse effects, poor tolerance, development of resistant strains. Natural products have been investigated as potential therapeutic alternatives. The cashew nut shell liquid (CNSL) is a natural source of phenolic compounds with several biological activities, where cardanol (CN) is considered one of the most important and promising compounds. This study aimed to evaluate antileishmanial, cytotoxic and immunomodulatory activities of CNSL and CN. Both showed antileishmanial potential, with IC50 for CNSL and CN against Leishmania infantum: 148.12 and 56.74 μg/mL; against Leishmania braziliensis: 85.71 and 64.28 μg/mL; against Leishmania major: 153.56 and 122.31 μg/mL, respectively. The mean cytotoxic concentrations (CC50) of CNSL and CN were 37.51 and 31.44 μg/mL, respectively. CNSL and CN significantly reduced the percentage of infected macrophages, with a selectivity index (SI) >20 for CN. CNSL and cardanol caused an increase in phagocytic capacity and lysosomal volume. Survival rates of Zophobas morio larvae at doses of 3; 30 and 300 mg/kg were: 85%, 75% and 60% in contact with CNSL and 85%, 60% and 40% in contact with CN, respectively. There was a significant difference between the survival curves of larvae when treated with CN, demonstrating a significant acute toxicity for this substance. Additional investigations are needed to evaluate these substances in the in vivo experimental infection model.
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Affiliation(s)
- Iuliana Marjory Martins Ribeiro
- Programa de Pós-Graduação em Tecnologias Aplicadas a Animais de Interesse Regional, Universidade Federal do Piauí, Teresina, Piauí, Brazil
| | - Valéria Carlos de Sousa
- Núcleo de Pesquisas em Plantas Medicinais, Universidade Federal do Piauí, Teresina, Piauí, Brazil
| | | | | | | | | | - Danielly Silva de Melo
- Núcleo de Pesquisas em Plantas Medicinais, Universidade Federal do Piauí, Teresina, Piauí, Brazil
| | | | | | | | - Daniel Dias Rufino Arcanjo
- Núcleo de Pesquisas em Plantas Medicinais, Universidade Federal do Piauí, Teresina, Piauí, Brazil; Departamento de Biofísica e Fisiologia, Universidade Federal do Piauí, Teresina, Piauí, Brazil.
| | | | - Michel Muálem de Moraes Alves
- Programa de Pós-Graduação em Tecnologias Aplicadas a Animais de Interesse Regional, Universidade Federal do Piauí, Teresina, Piauí, Brazil; Núcleo de Pesquisas em Plantas Medicinais, Universidade Federal do Piauí, Teresina, Piauí, Brazil; Departamento de Morfofisiologia Veterinária, Universidade Federal do Piauí, Teresina, Piauí, Brazil.
| | - Ivete Lopes de Mendonça
- Programa de Pós-Graduação em Tecnologias Aplicadas a Animais de Interesse Regional, Universidade Federal do Piauí, Teresina, Piauí, Brazil; Departamento de Clínica e Cirurgia Veterinária, Universidade Federal do Piauí, Teresina, Piauí, Brazil
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6
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Therapeutic potential of Indian medicinal plants against Leishmania donovani: a review. PROCEEDINGS OF THE INDIAN NATIONAL SCIENCE ACADEMY 2023. [DOI: 10.1007/s43538-023-00153-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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7
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Capparis spinosa inhibits Leishmania major growth through nitric oxide production in vitro and arginase inhibition in silico. Exp Parasitol 2023; 245:108452. [PMID: 36581148 DOI: 10.1016/j.exppara.2022.108452] [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: 08/19/2022] [Revised: 12/06/2022] [Accepted: 12/21/2022] [Indexed: 12/27/2022]
Abstract
Cutaneous leishmaniasis is an infectious disease, considered as a major public health problem in different regions of the world. The current treatments are limited due to their toxicity and treatment failures, which have increased the search for new substances of natural origin to control this infection. Capparis spinosa is an important medicinal plant, rich in biochemical compounds with a broad range of activities including antimicrobial effects. Nevertheless, more investigations are still needed to determine its effect on Leishmania parasites. This study aimed to evaluate the effect of C. spinosa' extracts on Leishmania major promastigotes and amastigotes growth as well as on L-arginine metabolic pathways, especially the production of leishmanicidal molecules such as nitric oxide. Our results showed that C. spinosa' methanolic and aqueous extracts contained polyphenols and flavonoids at different concentrations. The methanolic extract of C. spinosa, compared to the aqueous extract, showed significantly higher amounts of total polyphenols (21.23 ± 1.08) mg GAE/g of dw (P < 0.05), as well as a higher antioxidant activity evaluated respectively by Reducing Power and DPPH (EC50: 0.31 ± 0.02 and 7.69 ± 1.28) mg/ml. Both extracts significantly inhibited L. major promastigotes and intra-macrophagic amastigotes growth in vitro in a dose-dependent manner (P < 0.001) and induced NO production not only in Leishmania-infected macrophages but also in uninfected macrophages, without showing any cytotoxicity in vitro. Furthermore, in silico docking studies showed that C. spinosa compounds identified by RP-HPLC exhibited inhibitory activity against the arginase enzyme. The leishmanicidal effect of C. spinosa may be due to its phenolic content and its mechanism of action may be mediated by an increase in NO production and by the inhibition of arginase enzyme in silico. These findings support the hypothesis that C. spinosa might be a valuable source of new biomolecules for leishmaniasis treatment.
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Garcia AR, Amaral ACF, Maria ACB, Paz MM, Amorim MMB, Chaves FCM, Vermelho AB, Nico D, Rodrigues IA. Antileishmanial Screening, Cytotoxicity, and Chemical Composition of Essential Oils: A Special Focus on Piper callosum Essential Oil. Chem Biodivers 2023; 20:e202200689. [PMID: 36565272 DOI: 10.1002/cbdv.202200689] [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: 07/22/2022] [Revised: 12/20/2022] [Accepted: 12/23/2022] [Indexed: 12/25/2022]
Abstract
Leishmania amazonensis is the etiological agent of tegumentary leishmaniasis, a disease characterized by the emergence of cutaneous and mucocutaneous ulcerated lesions that can evolve into severe destruction of skin tissue. Treatment of the disease is often accompanied by high toxicity and variable efficacy. Essential oils stand out for having diverse pharmacological properties. Here, we screened a panel of fourteen essential oils for their anti-L. amazonensis activity, cytotoxicity, and chemical profile. Lippia sidoides (LSEO) and Piper callosum (PCEO) oils displayed the best anti-promastigote and anti-amastigote activities with IC50 of 31 and 21 μg/ml, respectively. PCEO was the safest oil with a desirable selectivity index >10. In addition, PCEO showed no cytotoxicity against the VERO line and erythrocytes. PCEO-treated amastigotes displayed mitochondrial membrane depolarization and high levels of intracellular ROS. Safrole (54.72 %) was the main component of PCEO. The results described here highlight the use of essential oils to combat tegumentary leishmaniasis.
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Affiliation(s)
- Andreza R Garcia
- Programa de Pós Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Ana Claudia F Amaral
- Laboratório de Produtos Naturais e Derivados, Departamento de Produtos Naturais, Farmanguinhos, FIOCRUZ, Rio de Janeiro, 22775-903, Brazil
| | - Ana Clara B Maria
- Laboratório de Produtos Naturais e Derivados, Departamento de Produtos Naturais, Farmanguinhos, FIOCRUZ, Rio de Janeiro, 22775-903, Brazil
| | - Mariana M Paz
- Programa de Pós Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Mariana M B Amorim
- Instituto Municipal de Vigilância Sanitária, Vigilância de Zoonoses e de Inspeção Agropecuária, Rio de Janeiro, 22290-240, Brazil
| | | | - Alane B Vermelho
- Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Dirlei Nico
- Departamento de Microbiologia Geral, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Igor A Rodrigues
- Programa de Pós Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil.,Departamento de Produtos Naturais e Alimentos, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
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9
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Dutra JAP, Maximino SC, Gonçalves RDCR, Morais PAB, de Lima Silva WC, Rodrigues RP, Neto ÁC, Júnior VL, de Souza Borges W, Kitagawa RR. Anti-Candida, docking studies, and in vitro metabolism-mediated cytotoxicity evaluation of Eugenol derivatives. Chem Biol Drug Des 2023; 101:350-363. [PMID: 36053023 DOI: 10.1111/cbdd.14131] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 08/02/2022] [Accepted: 08/14/2022] [Indexed: 01/14/2023]
Abstract
The high morbidity and mortality rates of Candida infections, especially among immunocompromised patients, are related to the increased resistance rate of these species and the limited therapeutic arsenal. In this context, we evaluated the anti-Candida potential and the cytotoxic profile of eugenol derivatives. Anti-Candida activity was evaluated on C. albicans and C. parapsilosis strains by minimum inhibitory concentration (MIC), scanning electron microscopy (SEM), and molecular docking calculations at the site of the enzyme lanosterol-14-α-demethylase active site, responsible for ergosterol formation. The cytotoxic profile was evaluated in HepG2 cells, in the presence and absence of the metabolizing system (S9 system). The results indicated compounds 1b and 1d as the most active ones. The compounds have anti-Candida activity against both strains with MIC ranging from 50 to 100 μg ml-1 . SEM analyses of 1b and 1d indicated changes in the envelope architecture of both C. albicans and C. parapsilosis like the ones of eugenol and fluconazole, respectively. Docking results of the evaluated compounds indicated a similar binding pattern of fluconazole and posaconazole at the lanosterol-14-α-demethylase binding site. In the presence of the S9 system, compound 1b showed the same cytotoxicity profile as fluconazole (1.08 times) and compound 1d had 1.23 times increase in cytotoxicity. Eugenol and other evaluated compounds showed a significant increase in cytotoxicity. Our results suggest compound 1b as a promising starting point candidate to be used in the design of new anti-Candida agent prototypes.
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Affiliation(s)
- Jessyca Aparecida Paes Dutra
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Bonfim, Brazil
| | - Sarah Canal Maximino
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Bonfim, Brazil
| | | | - Pedro Alves Bezerra Morais
- Department of Chemistry and Physics, Exact, Natural and Health Sciences Center, Federal University of Espírito Santo, Guararema, Brazil
| | | | - Ricardo Pereira Rodrigues
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Bonfim, Brazil
| | - Álvaro Cunha Neto
- Department of Chemistry, Exact Sciences Center, Federal University of Espírito Santo, Goiabeiras, Brazil
| | - Valdemar Lacerda Júnior
- Department of Chemistry, Exact Sciences Center, Federal University of Espírito Santo, Goiabeiras, Brazil
| | - Warley de Souza Borges
- Department of Chemistry, Exact Sciences Center, Federal University of Espírito Santo, Goiabeiras, Brazil
| | - Rodrigo Rezende Kitagawa
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Bonfim, Brazil
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10
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Barbosa DCDS, Holanda VN, Ghosh A, Maia RT, da Silva WV, Lima VLDM, da Silva MV, Dos Santos Correia MT, de Figueiredo RCBQ. Leishmanicidal and cytotoxic activity of essential oil from the fruit peel of Myrciaria floribunda (H. West ex Willd.) O. Berg: Molecular docking and molecular dynamics simulations of its major constituent onto Leishmania enzyme targets. J Biomol Struct Dyn 2022; 40:13001-13016. [PMID: 34632943 DOI: 10.1080/07391102.2021.1978320] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cutaneous Leishmaniasis (CL) is a neglected disease characterized by highest morbidity rates worldwide. The available treatment for CL has several limitations including serious side effects and resistance to the treatment. Herein we aimed to evaluate the activity of essential oil from the peel of Myrciaria floribunda fruits (MfEO) on Leishmania amazonensis. The cytotoxic potential of MfEO on host mammalian cells was evaluated by MTT. The in vitro leishmanicidal effects of MfEO were investigated on the promastigote and intracellular amastigote forms. The ultrastructural changes induced by MfEO were evaluated by Scanning Electron Microscopy (SEM). The molecular docking of the major compounds δ-Cadinene, γ-Cadinene, γ-Muurolene, α-Selinene, α-Muurolene and (E)-Caryophyllene onto the enzymes trypanothione reductase (TreR) and sterol 14-alpha demethylase (C14DM) were performed. Our results showed that MfEO presented moderate cytotoxicity for Vero cells and macrophages. The MfEO inhibited the growth of promastigote and the survival of intracellular amastigotes, in a dose- and time- dependent way. The MfEO presented high selectivity towards amastigote forms, being 44.1 times more toxic for this form than to macrophages. Molecular docking analysis showed that the major compounds of MfEO interact with Leishmania enzymes and that δ-Cadinene (δ-CAD) presented favorable affinity energy values over TreR and C14DM enzymes, when compared with the other major constituents. Molecular dynamics (MD) simulation studies revealed a stable binding of δ-CAD with lowest binding free energy values in MMGBSA assay. Our results suggested that δ-CAD may be a potent inhibitor of TreR and C14DM enzymes. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | - Vanderlan Nogueira Holanda
- Departamento de Microbiologia, Instituto Aggeu Magalhães, Recife, Pernambuco, Brazil.,Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Arabinda Ghosh
- Microbiology Division, Department of Botany, Gauhati University, Guwahati, Assam, India
| | - Rafael Trindade Maia
- Centro de Desenvolvimento Sustentável do Semiárido, Universidade Federal de Campina Grande, Sumé, Paraíba, Brazil
| | | | - Vera Lúcia de Menezes Lima
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Márcia Vanusa da Silva
- Departamento de Bioquímica, Centro de Biociências, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
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Alagawany M, Abd El-Hack ME, Saeed M, Elnesr SS, Farag MR. Clove (Syzygium aromaticum) and its Derivatives in Poultry Feed. ANTIBIOTIC ALTERNATIVES IN POULTRY AND FISH FEED 2022:66-79. [DOI: 10.2174/9789815049015122010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Production of safe and healthy poultry diets of high profitability is the
central aim of poultry men. This safety is achieved by using natural products as growth
stimulants. Natural feed additives such as medicinal products derived from herbs and
spices are mainly used in the poultry feed industry as appetite and enzyme secretion
stimulants. The use of clove (Syzygium aromaticum) and its derivatives has lately
received much greater attention as an alternative to traditional antibiotics. The clove
exhibited strong antibacterial, antioxidant, anti-septic and anti-inflammatory properties
and appetite and digestion stimulants. The clove and its derivatives contain bioactive
components, including eugenol, eugenyl acetate, ᵦ-caryophyllene, salicylic acid, ferulic
acid, caffeic acid, ellagic acid, kaempferol, methyl amyl ketone, humulene, gallotannic
acid, and crategolic acid that have beneficial effects. Eugenol is the main bioactive
component present in the clove. The potential advantages of utilizing clove extracts in
poultry diets include improved growth performance, egg production and feed
conversion ratio, enhanced digestion, and down-regulated disease incidence. From the
available literature, clove and its essential oil is one of the beneficial plant extracts to
increase growth performance in poultry by improving the intestinal microbiota
population. Clove extract contains various molecules (principally eugenol) that have
self-biological activities in poultry physiology and metabolism. This chapter includes
information on clove and its derivatives in poultry nutrition.
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Gürbüz M, İrem Omurtag Korkmaz B. The anti-campylobacter activity of eugenol and its potential for poultry meat safety: A review. Food Chem 2022; 394:133519. [PMID: 35749879 DOI: 10.1016/j.foodchem.2022.133519] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 06/13/2022] [Accepted: 06/16/2022] [Indexed: 11/04/2022]
Abstract
Poultry is one of the fastest growing industries due to advantages in land use, rapid production and advances in feed technology. The rising trend in the consumption of poultry meat over the last 50 years has also increased concerns about food safety. Campylobacter jejuniis the leading bacterial cause of gastroenteritis, the foremost cause of foodborne deaths. Despite significant progress in food safety methology, the genusCampylobacter remains a common foodborne pathogen in poultry. Increasing consumer demands for natural products require the discovery of new antimicrobials to ensure the safety of poultry meat. Recent studies have revealed that eugenol acts with antimicrobial activity on a wide variety of foodborne microorganisms. Eugenol is generally recognized as safe and is a promising preservative for the food industry. However, specific applications of eugenol need to be identified and validated to clarify the role of the food preservative in poultry meat safety.
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Affiliation(s)
- Murat Gürbüz
- Trakya University, Department of Nutrition and Dietetics, Edirne, Turkey.
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Eugenol derivatives with 1,2,3-triazole moieties: Oral treatment of cutaneous leishmaniasis and a quantitative structure-activity relationship model for their leishmanicidal activity. Exp Parasitol 2022; 238:108269. [DOI: 10.1016/j.exppara.2022.108269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 04/29/2022] [Accepted: 04/30/2022] [Indexed: 11/22/2022]
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Pereira PS, Oliveira CVB, Maia AJ, Vega-Gomez MC, Rolón M, Coronel C, Duarte AE, Coutinho HDM, Siyadatpanah A, Norouzi R, Sadati SJA, Wilairatana P, Silva TG. Evaluation of the In Vitro Antiparasitic Effect of the Essential Oil of Cymbopogon winterianus and Its Chemical Composition Analysis. Molecules 2022; 27:molecules27092753. [PMID: 35566105 PMCID: PMC9099579 DOI: 10.3390/molecules27092753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 04/16/2022] [Accepted: 04/22/2022] [Indexed: 11/16/2022] Open
Abstract
Cymbopogon winterianus, known as “citronella grass”, is an important aromatic and medicinal tropical herbaceous plant. The essential oil of C. winterianus (EOCw) is popularly used to play an important role in improving human health due to its potential as a bioactive component. The present study aimed to identify the components of the essential oil of C. winterianus and verify its leishmanicidal and trypanocidal potential, as well as the cytotoxicity in mammalian cells, in vitro. The EOCw had geraniol (42.13%), citronellal (17.31%), and citronellol (16.91%) as major constituents. The essential oil only exhibited significant cytotoxicity in mammalian fibroblasts at concentrations greater than 250 μg/mL, while regarding antipromastigote and antiepimastigote activities, they presented values considered clinically relevant, since both had LC50 < 62.5 μg/mL. It can be concluded that this is a pioneer study on the potential of the essential oil of C. winterianus and its use against the parasites T. cruzi and L. brasiliensis, and its importance is also based on this fact. Additionally, according to the results, C. winterianus was effective in presenting values of clinical relevance and low toxicity and, therefore, an indicator of popular use.
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Affiliation(s)
- Pedro Silvino Pereira
- Department of Antibiotics, Federal University of Pernambuco (UFPE), Av. Artur de Sá, s/n, Cidade Universitária, Recife 54740-520, PE, Brazil;
- Correspondence: (P.S.P.); (H.D.M.C.); (P.W.)
| | - Carlos Vinicius Barros Oliveira
- Laboratory of Pharmacology and Molecular Chemistry, Regional University of Cariri (URCA), 1161 Cel. Antonio Luiz Avenue, Crato 63105-000, CE, Brazil; (C.V.B.O.); (A.J.M.); (A.E.D.)
| | - Ana Josicleide Maia
- Laboratory of Pharmacology and Molecular Chemistry, Regional University of Cariri (URCA), 1161 Cel. Antonio Luiz Avenue, Crato 63105-000, CE, Brazil; (C.V.B.O.); (A.J.M.); (A.E.D.)
| | - Maria Celeste Vega-Gomez
- Centro Para El Desarrollo De La Investigación Científica (CEDIC), Fundación Moisés Bertoni, Manduvira 635, Asunción C.P. 1255, Paraguay; (M.C.V.-G.); (M.R.); (C.C.)
| | - Miriam Rolón
- Centro Para El Desarrollo De La Investigación Científica (CEDIC), Fundación Moisés Bertoni, Manduvira 635, Asunción C.P. 1255, Paraguay; (M.C.V.-G.); (M.R.); (C.C.)
| | - Cathia Coronel
- Centro Para El Desarrollo De La Investigación Científica (CEDIC), Fundación Moisés Bertoni, Manduvira 635, Asunción C.P. 1255, Paraguay; (M.C.V.-G.); (M.R.); (C.C.)
| | - Antônia Eliene Duarte
- Laboratory of Pharmacology and Molecular Chemistry, Regional University of Cariri (URCA), 1161 Cel. Antonio Luiz Avenue, Crato 63105-000, CE, Brazil; (C.V.B.O.); (A.J.M.); (A.E.D.)
| | - Henrique Douglas Melo Coutinho
- Microbiology and Molecular Biology Laboratory, Regional University of Cariri (URCA), 1161 Cel. Antonio Luiz Avenue, Crato 63105-000, CE, Brazil
- Correspondence: (P.S.P.); (H.D.M.C.); (P.W.)
| | - Abolghasem Siyadatpanah
- Ferdows School of Paramedical and Health, Birjand University of Medical Sciences, Birjand 9717853577, Iran;
| | - Roghayeh Norouzi
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz 516661647, Iran;
| | - Seyed Jafar Adnani Sadati
- Department of Microbiology & Immunology, Faculty of Medicine, Qom University of Medical Sciences, Qom 3736175513, Iran;
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
- Correspondence: (P.S.P.); (H.D.M.C.); (P.W.)
| | - Teresinha Gonçalves Silva
- Department of Antibiotics, Federal University of Pernambuco (UFPE), Av. Artur de Sá, s/n, Cidade Universitária, Recife 54740-520, PE, Brazil;
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Abd El-Hack ME, El-Saadony MT, Saad AM, Salem HM, Ashry NM, Abo Ghanima MM, Shukry M, Swelum AA, Taha AE, El-Tahan AM, AbuQamar SF, El-Tarabily KA. Essential oils and their nanoemulsions as green alternatives to antibiotics in poultry nutrition: a comprehensive review. Poult Sci 2022; 101:101584. [PMID: 34942519 PMCID: PMC8695362 DOI: 10.1016/j.psj.2021.101584] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/23/2021] [Accepted: 11/02/2021] [Indexed: 12/20/2022] Open
Abstract
Increasing market pressure to reduce the use of antibiotics and the Veterinary Feed Directive of 2019 have led to expanded research on alternate antibiotic solutions. This review aimed to assess the benefits of using essential oils (EOs) and their nanoemulsions (NEs) as feed supplements for poultry and their potential use as antibiotic alternatives in organic poultry production. Antibiotics are commonly used to enhance the growth and prevent diseases in poultry animals due to their antimicrobial activities. EOs are a complex mixture of volatile compounds derived from plants and manufactured via various fermentation, extraction, and steam distillation methods. EOs are categorized into 2 groups of compounds: terpenes and phenylpropenes. Differences among various EOs depend on the source plant type, physical and chemical soil conditions, harvest time, plant maturity, drying technology used, storage conditions, and extraction time. EOs can be used for therapeutic purposes in various situations in broiler production as they possess antibacterial, antifungal, antiparasitic, and antiviral activities. Several studies have been conducted using various combinations of EOs or crude extracts of their bioactive compounds to investigate their complexity and applications in organic poultry production. NEs are carrier systems that can be used to overcome the volatile nature of EOs, which is a major factor limiting their application. NEs are being progressively used to improve the bioavailability of the volatile lipophilic components of EOs. This review discusses the use of these nonantibiotic alternatives as antibiotics for poultry feed in organic poultry production.
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Affiliation(s)
- Mohamed E Abd El-Hack
- Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Mohamed T El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Ahmed M Saad
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Heba M Salem
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Cairo University, Giza,12211, Egypt
| | - Noha M Ashry
- Agricultural Microbiology Department, Faculty of Agriculture, Benha University, Toukh, 13736, Egypt
| | - Mahmoud M Abo Ghanima
- Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511, Egypt
| | - Mustafa Shukry
- Department of Physiology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt
| | - Ayman A Swelum
- Department of Theriogenology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44511, Egypt
| | - Ayman E Taha
- Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, Edfina, 22758, Egypt
| | - Amira M El-Tahan
- Plant Production Department, Arid Lands Cultivation Research Institute, The City of Scientific Research and Technological Applications, SRTA-City, Borg El Arab, Alexandria, Egypt
| | - Synan F AbuQamar
- Department of Biology, College of Science, United Arab Emirates University, Al-Ain, 15551, United Arab Emirates
| | - Khaled A El-Tarabily
- Department of Biology, College of Science, United Arab Emirates University, Al-Ain, 15551, United Arab Emirates; Harry Butler Institute, Murdoch University, Murdoch, 6150, Western Australia, Australia.
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Nanoemulsion of cashew gum and clove essential oil (Ocimum gratissimum Linn) potentiating antioxidant and antimicrobial activity. Int J Biol Macromol 2021; 193:100-108. [PMID: 34627848 DOI: 10.1016/j.ijbiomac.2021.09.195] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 01/09/2023]
Abstract
In this study, nanoemulsions of essential oil from Ocimumgratissimum (Linn) (EO) were produced using low and high energy techniques using cashew gum (CG) as a co-surfactant. The main constituents of the EO were determined by Gas Chromatography coupled with Mass Spectrometry (GC-MS), and their presence in the EO and in the formulations verified by Fourier Transform Infrared Spectroscopy (FTIR) and UV-visible spectrophotometry was observed the encapsulation efficiency (EE%), with colloidal stability. Nuclear magnetic resonance (NMR) was used to study cashew gum. Dynamic light scattering analysis (DLS) determined the nanoemulsion Z means, polydispersity index and the Zeta potential value, nanoparticle tracking analysis (NTA) were determined. The nanostructured EO showed better antibacterial action against the pathogenic gastroenteritis species Staphylococcus aureus, Escherichia coli and Salmonella enterica when compared to free EO. Atomic Force Microscopy (AFM) was used for morphological analysis of the nanoparticle and study of the action of the nanoemulsion through images of the cellular morphology of S. enterica. The antioxidant activity was evaluated against the ABTS radical (2,2'-azino-bis diazonium salt (3-ethylbenzothiazoline-6-sulfonic acid)). The encapsulation of EO in a nanostructured system improved its antibacterial and antioxidant activity, the low energy synthesis showed greater storage stability, remaining stable for 37 days.
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Alshaikh NA, Perveen K. Susceptibility of Fluconazole-Resistant Candida albicans to Thyme Essential Oil. Microorganisms 2021; 9:microorganisms9122454. [PMID: 34946056 PMCID: PMC8707020 DOI: 10.3390/microorganisms9122454] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/22/2021] [Accepted: 11/24/2021] [Indexed: 12/03/2022] Open
Abstract
Candida spp. is the most common microbial pathogen in fungal infections. There has been a tremendous increase in cases of candidiasis, especially among critically ill non-neutropenic patients. Candida albicans’ isolates were procured from the Prince Sultan Military Hospital, Riyadh, KSA. The isolates were characterized for their identification using CHROMagar, carbohydrate metabolism, germ tube formation, and RAPD-PCR techniques. The essential oil of Thymus vulgaris was obtained by hydro-distillation and characterized to decipher the major bioactive phytoconstituents. The antifungal activity of the thyme essential oil (TEO) was evaluated against fluconazole-resistant C. albicans isolates. The major phytocomponents identified by GC/MS were thymol (68.1%) followed by γ-terpinene (8.9%), cymol (7.7%), caryophyllene (1.1%), linalool (1.4%). The TEO successfully reduced the growth of C. albicans isolates. At very low doses, the TEO proved to be fungi static and fungicidal. TEO also effectively inhibited the germ tube formation and budging of fungal pathogens. The time kill assays have shown that TEO was more effective against drug resistant clinical isolates than fluconazole. This study provides an array of experimental evidence regarding the therapeutic efficacy of TEO against the drug-resistant clinical isolates of C. albicans. The findings may be used in the development of a new antifungal agent accordingly.
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Maurice MN, Huseein EAM, Monib MESMM, Alsharif FM, Namazi NI, Ahmad AA. Evaluation of the scolicidal activities of eugenol essential oil and its nanoemulsion against protoscoleces of hydatid cysts. PLoS One 2021; 16:e0259290. [PMID: 34762675 PMCID: PMC8584737 DOI: 10.1371/journal.pone.0259290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 10/15/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Cystic echinococcosis caused by the cestode Echinococcus granulosus remains a serious helminthic zoonosis affecting humans and animals in many endemic developing countries. Surgical intervention is the best management choice, although it is associated with high recurrence rates and serious complications. Also, the commonly used chemotherapeutics exhibited serious side effects. This study aimed to evaluate the protoscolicidal effects of eugenol (Eug) essential oil and its nanoemulsion (Eug-NE) against protoscoleces (PCs) of hydatid cysts in vitro. METHODS Eug-NE was prepared and characterized. Their cytotoxicity on macrophages was assessed by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. E. granulosus PCs were treated with various concentrations of Eug and Eug-NE at different exposure times. The viability of protoscoleces was evaluated by the eosin exclusion test, and the changes in the morphology of protoscoleces were assessed. Albendazole (ABZ) was used as a positive control. RESULTS The cellular cytotoxicity of Eug and Eug-NE on macrophage cells, in minimum and maximum concentrations (0.2 and 1 μl/mL), were nearly negligible ranging from 4.7% to 8.3% and 3.7% to 7.2%, respectively. The results showed highly significant activity of Eug-NE and Eug against hydatid PCs compared to ABZ (P < 0.05). Eug and Eug-NE have similar protoscolicidal effects at all used concentrations. Their highest scolicidal activity (100% mortality rate) was recorded at 1 μl/ml after 30 min incubation (LC50 = 0.298-LC90 = 0.521 and LC50 = 0.309-LC90 = 0.646, respectively). Both formulations showed time- and dose-dependent effects. CONCLUSIONS This study suggested the potent scolicidal activities of Eug and Eug-NE as promising alternative scolicidal agents. Future studies are recommended to explore the mechanism of action and treatment response in vivo and clinical settings.
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Affiliation(s)
- Maria Naged Maurice
- Faculty of Medicine, Department of Medical Parasitology, Assiut University, Assiut, Egypt
| | | | | | - Fahd M. Alsharif
- Faculty of Pharmacy, Department of Pharmaceutics and Ind. Pharmacy, Al-Azhar University, Assiut, Egypt
| | - Nader Ibrahim Namazi
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Taibah University, Madinah, Saudi Arabia
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Ugbogu OC, Emmanuel O, Agi GO, Ibe C, Ekweogu CN, Ude VC, Uche ME, Nnanna RO, Ugbogu EA. A review on the traditional uses, phytochemistry, and pharmacological activities of clove basil ( Ocimum gratissimum L.). Heliyon 2021; 7:e08404. [PMID: 34901489 PMCID: PMC8642617 DOI: 10.1016/j.heliyon.2021.e08404] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 07/29/2021] [Accepted: 11/11/2021] [Indexed: 01/03/2023] Open
Abstract
In traditional medicine, Ocimum gratissimum (clove basil) is used in the treatment of various diseases such as diabetes, cancer, inflammation, anaemia, diarrhoea, pains, and fungal and bacterial infections. The present study reviewed the phytochemicals, essential oils, and pharmacological activities of O. gratissimum. The bioactive compounds extracted from O. gratissimum include phytochemicals (oleanolic acid, caffeic acid, ellagic acid, epicatechin, sinapic acid, rosmarinic acid, chlorogenic acid, luteolin, apigenin, nepetoidin, xanthomicrol, nevadensin, salvigenin, gallic acid, catechin, quercetin, rutin, and kaempfero) and essential oils (camphene, β-caryophyllene, α- and β-pinene, α-humulene, sabinene, β-myrcene, limonene, 1,8-cineole, trans-β-ocimene, linalool, α- and δ-terpineol, eugenol, α-copaene, β-elemene, p-cymene, thymol, and carvacrol). Various in vivo and in vitro studies have shown that O. gratissimum and its bioactive constituents possess pharmacological properties such as antioxidant, anti-inflammatory, anticancer, hepatoprotective, antidiabetic, antihypertensive, antidiarrhoeal, and antimicrobial properties. This review demonstrated that O. gratissimum has a strong preventive and therapeutic effect against several diseases. The effectiveness of O. gratissimum to ameliorate various diseases may be attributed to its antimicrobial and antioxidant properties as well as its capacity to improve the antioxidant systems. However, despite the widespread pharmacological activities of O. gratissimum, further experiments in human clinical trial studies are needed to establish effective and safe doses for the treatment of various diseases.
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Affiliation(s)
| | - Okezie Emmanuel
- Department of Biochemistry, Abia State University, PMB 2000, Uturu, Abia State, Nigeria
| | - Grace Oka Agi
- Department of Human Nutrition and Dietetics, University of Ibadan, Nigeria
| | - Chibuike Ibe
- Department of Microbiology, Abia State University, Uturu, PMB 2000, Uturu, Abia State, Nigeria
| | - Celestine Nwabu Ekweogu
- Department of Medical Biochemistry, Imo State University, PMB 2000, Owerri, Imo State, Nigeria
| | - Victor Chibueze Ude
- Department of Medical Biochemistry, College of Medicine Enugu State University of Science and Technology, PMB 01660, Enugu, Nigeria
| | - Miracle Ebubechi Uche
- Department of Biochemistry, Abia State University, PMB 2000, Uturu, Abia State, Nigeria
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Sakyi PO, Amewu RK, Devine RNOA, Ismaila E, Miller WA, Kwofie SK. The Search for Putative Hits in Combating Leishmaniasis: The Contributions of Natural Products Over the Last Decade. NATURAL PRODUCTS AND BIOPROSPECTING 2021; 11:489-544. [PMID: 34260050 PMCID: PMC8279035 DOI: 10.1007/s13659-021-00311-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 05/07/2021] [Indexed: 05/12/2023]
Abstract
Despite advancements in the areas of omics and chemoinformatics, potent novel biotherapeutic molecules with new modes of actions are needed for leishmaniasis. The socioeconomic burden of leishmaniasis remains alarming in endemic regions. Currently, reports from existing endemic areas such as Nepal, Iran, Brazil, India, Sudan and Afghanistan, as well as newly affected countries such as Peru, Bolivia and Somalia indicate concerns of chemoresistance to the classical antimonial treatment. As a result, effective antileishmanial agents which are safe and affordable are urgently needed. Natural products from both flora and fauna have contributed immensely to chemotherapeutics and serve as vital sources of new chemical agents. This review focuses on a systematic cross-sectional view of all characterized anti-leishmanial compounds from natural sources over the last decade. Furthermore, IC50/EC50, cytotoxicity and suggested mechanisms of action of some of these natural products are provided. The natural product classification includes alkaloids, terpenes, terpenoids, and phenolics. The plethora of reported mechanisms involve calcium channel inhibition, immunomodulation and apoptosis. Making available enriched data pertaining to bioactivity and mechanisms of natural products complement current efforts geared towards unraveling potent leishmanicides of therapeutic relevance.
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Affiliation(s)
- Patrick O. Sakyi
- Department of Chemistry, School of Physical and Mathematical Sciences, College of Basic and Applied Sciences, University of Ghana, P. O. BOX LG 56, Legon, Accra, Ghana
- Department of Chemical Sciences, School of Sciences, University of Energy and Natural Resources, Box 214, Sunyani, Ghana
| | - Richard K. Amewu
- Department of Chemistry, School of Physical and Mathematical Sciences, College of Basic and Applied Sciences, University of Ghana, P. O. BOX LG 56, Legon, Accra, Ghana
| | - Robert N. O. A. Devine
- Department of Chemical Sciences, School of Sciences, University of Energy and Natural Resources, Box 214, Sunyani, Ghana
| | - Emahi Ismaila
- Department of Chemical Sciences, School of Sciences, University of Energy and Natural Resources, Box 214, Sunyani, Ghana
| | - Whelton A. Miller
- Department of Medicine, Loyola University Medical Center, Maywood, IL 60153 USA
- Department of Molecular Pharmacology and Neuroscience, Loyola University Medical Center, Maywood, IL 60153 USA
- Department of Chemical and Biomolecular Engineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Samuel K. Kwofie
- Department of Biomedical Engineering, School of Engineering Sciences, College of Basic & Applied Sciences, University of Ghana, PMB LG 77, Legon, Accra, Ghana
- Department of Biochemistry, Cell and Molecular Biology, West African Centre for Cell Biology of Infectious Pathogens, College of Basic and Applied Sciences, University of Ghana, P.O. Box LG 54, Accra, Ghana
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Nisar MF, Khadim M, Rafiq M, Chen J, Yang Y, Wan CC. Pharmacological Properties and Health Benefits of Eugenol: A Comprehensive Review. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:2497354. [PMID: 34394824 PMCID: PMC8357497 DOI: 10.1155/2021/2497354] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 07/17/2021] [Indexed: 02/07/2023]
Abstract
The biologically active phytochemicals are sourced from edible and medicinally important plants and are important molecules being used for the formulation of thousands of drugs. These phytochemicals have great benefits against many ailments particularly the inflammatory diseases or oxidative stress-mediated chronic diseases. Eugenol (EUG) is a versatile naturally occurring molecule as phenolic monoterpenoid and frequently found in essential oils in a wide range of plant species. EUG bears huge industrial applications particularly in pharmaceutics, dentistry, flavoring of foods, agriculture, and cosmeceutics. It is being focused recently due to its great potential in preventing several chronic conditions. The World Health Organization (WHO) has declared EUG as a nonmutant and generally recognized as safe (GRAS) molecule. The available literature about pharmacological activities of EUG shows remarkable anti-inflammatory, antioxidant, analgesic, and antimicrobial properties and has a significant effect on human health. The current manuscript summarizes the pharmacological characteristics of EUG and its potential health benefits.
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Affiliation(s)
- Muhammad Farrukh Nisar
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits & Vegetables, College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, China
- Department of Physiology and Biochemistry, Cholistan University of Veterinary and Animal Sciences (CUVAS), Bahawalpur 63100, Pakistan
| | - Mahnoor Khadim
- Department of Physiology and Biochemistry, Cholistan University of Veterinary and Animal Sciences (CUVAS), Bahawalpur 63100, Pakistan
| | - Muhammad Rafiq
- Department of Physiology and Biochemistry, Cholistan University of Veterinary and Animal Sciences (CUVAS), Bahawalpur 63100, Pakistan
| | - Jinyin Chen
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits & Vegetables, College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, China
- College of Materials and Chemical Engineering, Pingxiang University, Pingxiang 330075, China
| | - Yali Yang
- Department of Pathology, Affiliated Hospital of Yunnan University/Second People's Hospital of Yunnan Province, Kunming 650021, China
| | - Chunpeng Craig Wan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits & Vegetables, College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, China
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Antonescu (Mintas) AI, Miere (Groza) F, Fritea L, Ganea M, Zdrinca M, Dobjanschi L, Antonescu A, Vicas SI, Bodog F, Sindhu RK, Cavalu S. Perspectives on the Combined Effects of Ocimum basilicum and Trifolium pratense Extracts in Terms of Phytochemical Profile and Pharmacological Effects. PLANTS 2021; 10:plants10071390. [PMID: 34371593 PMCID: PMC8309466 DOI: 10.3390/plants10071390] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/28/2021] [Accepted: 07/05/2021] [Indexed: 12/29/2022]
Abstract
Nowadays, the tendency in pharmaceutical and food industries is to replace synthetic antioxidants with the natural ones. For this reason, there is a growing interest in analyzing natural, healthy and non-toxic additives as potential antioxidants. Some plants, which contain high levels of phenolic compounds, present an increasing interest for medicine due to their ability to scavenge free radicals, along with other pharmacological activities, such as antibacterial activity, wound healing and anti-inflammatory effect, to mention only a few. The aim of this review is to explore the therapeutic potential of Ocimum basilicum and Trifolium pratense in relation with their phytochemical profile and to highlight the pharmacological activity of aqueous or ethanol extracts. Special attention was devoted to the dermal pathology and wound healing effects, in the context of multiple skin conditions such as acne, eczema boils, psoriasis and rashes. Additionally, both extracts (Trifolium sp. and Ocimum sp.) are characterized by high content of antioxidant compounds, which are responsible for the radiance and resistance of the skin and slowing down of the aging process by maintaining estrogen levels. Moreover, the potential combined effect of the mixed extract is pointed out in terms of future applications for wound healing, based on some preliminary results obtained from a “scratch tests” assay performed with respect to human dermal fibroblasts.
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Affiliation(s)
- Andreea-Ina Antonescu (Mintas)
- Faculty of Medicine and Pharmacy, Doctoral School of Biomedical Science, University of Oradea, 10 P-ta 1 December Street, 410073 Oradea, Romania;
| | - Florina Miere (Groza)
- Faculty of Medicine and Pharmacy, University of Oradea, 10 P-ta 1 December Street, 410073 Oradea, Romania; (F.M.); (M.G.); (M.Z.); (L.D.); (F.B.); (S.C.)
| | - Luminita Fritea
- Faculty of Medicine and Pharmacy, University of Oradea, 10 P-ta 1 December Street, 410073 Oradea, Romania; (F.M.); (M.G.); (M.Z.); (L.D.); (F.B.); (S.C.)
- Correspondence: (L.F.); (A.A.)
| | - Mariana Ganea
- Faculty of Medicine and Pharmacy, University of Oradea, 10 P-ta 1 December Street, 410073 Oradea, Romania; (F.M.); (M.G.); (M.Z.); (L.D.); (F.B.); (S.C.)
| | - Mihaela Zdrinca
- Faculty of Medicine and Pharmacy, University of Oradea, 10 P-ta 1 December Street, 410073 Oradea, Romania; (F.M.); (M.G.); (M.Z.); (L.D.); (F.B.); (S.C.)
| | - Luciana Dobjanschi
- Faculty of Medicine and Pharmacy, University of Oradea, 10 P-ta 1 December Street, 410073 Oradea, Romania; (F.M.); (M.G.); (M.Z.); (L.D.); (F.B.); (S.C.)
| | - Angela Antonescu
- Faculty of Medicine and Pharmacy, University of Oradea, 10 P-ta 1 December Street, 410073 Oradea, Romania; (F.M.); (M.G.); (M.Z.); (L.D.); (F.B.); (S.C.)
- Correspondence: (L.F.); (A.A.)
| | - Simona Ioana Vicas
- Faculty of Environmental Protection, University of Oradea, 26 Gen. Magheru Street, 410048 Oradea, Romania;
| | - Florin Bodog
- Faculty of Medicine and Pharmacy, University of Oradea, 10 P-ta 1 December Street, 410073 Oradea, Romania; (F.M.); (M.G.); (M.Z.); (L.D.); (F.B.); (S.C.)
| | - Rakesh K. Sindhu
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India;
| | - Simona Cavalu
- Faculty of Medicine and Pharmacy, University of Oradea, 10 P-ta 1 December Street, 410073 Oradea, Romania; (F.M.); (M.G.); (M.Z.); (L.D.); (F.B.); (S.C.)
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Morais PAB, Francisco CS, de Paula H, Ribeiro R, Eloy MA, Javarini CL, Neto ÁC, Júnior VL. Semisynthetic Triazoles as an Approach in the Discovery of Novel Lead Compounds. CURR ORG CHEM 2021. [DOI: 10.2174/1385272825666210126100227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Historically, medicinal chemistry has been concerned with the approach of organic
chemistry for new drug synthesis. Considering the fruitful collections of new molecular entities,
the dedicated efforts for medicinal chemistry are rewarding. Planning and search for new
and applicable pharmacologic therapies involve the altruistic nature of the scientists. Since
the 19th century, notoriously applying isolated and characterized plant-derived compounds in
modern drug discovery and various stages of clinical development highlight its viability and
significance. Natural products influence a broad range of biological processes, covering transcription,
translation, and post-translational modification, being effective modulators of most
basic cellular processes. The research of new chemical entities through “click chemistry”
continuously opens up a map for the remarkable exploration of chemical space towards leading
natural products optimization by structure-activity relationship. Finally, in this review, we expect to gather a
broad knowledge involving triazolic natural product derivatives, synthetic routes, structures, and their biological activities.
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Affiliation(s)
- Pedro Alves Bezerra Morais
- Centro de Ciencias Exatas, Naturais e da Saude, Universidade Federal do Espirito Santo, 29500000, Alegre, ES, Brazil
| | - Carla Santana Francisco
- Programa de Pos-Graduacao em Quimica, Universidade Federal do Espirito Santo, 29075910, Vitória, ES, Brazil
| | - Heberth de Paula
- Centro de Ciencias Exatas, Naturais e da Saude, Universidade Federal do Espirito Santo, 29500000, Alegre, ES, Brazil
| | - Rayssa Ribeiro
- Programa de Pos- Graduacao em Agroquimica, Universidade Federal do Espirito Santo, 29500000, Alegre, ES, Brazil
| | - Mariana Alves Eloy
- Programa de Pos- Graduacao em Agroquimica, Universidade Federal do Espirito Santo, 29500000, Alegre, ES, Brazil
| | - Clara Lirian Javarini
- Programa de Pos-Graduacao em Quimica, Universidade Federal do Espirito Santo, 29075910, Vitória, ES, Brazil
| | - Álvaro Cunha Neto
- Programa de Pos-Graduacao em Quimica, Universidade Federal do Espirito Santo, 29075910, Vitória, ES, Brazil
| | - Valdemar Lacerda Júnior
- Programa de Pos-Graduacao em Quimica, Universidade Federal do Espirito Santo, 29075910, Vitória, ES, Brazil
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Ali R, Rooman M, Mussarat S, Norin S, Ali S, Adnan M, Khan SN. A Systematic Review on Comparative Analysis, Toxicology, and Pharmacology of Medicinal Plants Against Haemonchus contortus. Front Pharmacol 2021; 12:644027. [PMID: 34040520 PMCID: PMC8141741 DOI: 10.3389/fphar.2021.644027] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 03/26/2021] [Indexed: 12/19/2022] Open
Abstract
Background:Haemonchus contortus is an important pathogenic nematode parasite and major economic constraint of small ruminants in tropics and subtropics regions. This review is an attempt to systematically address the; (a) efficacy of different plants against H. contortus by in vitro and in vivo proof; (b) toxicology, mechanism of action, and active phyto-compounds involve in anti-haemonchiasis activity; (c) and comparative analysis of plant species evaluated both in vitro and in vivo. Methods: Online databases (Google Scholar, PubMed, Scopus, and ScienceDirect) were searched and published research articles (1980–2020) were gathered and reviewed. Results: A total of 187 plant species were reported belonging to 59 families and 145 genera with Asteraceae and Fabaceae being frequently used. Out of the total plant species, 171 species were found to be evaluated in vitro and only 40 species in vivo. Twenty-four species were commonly evaluated for in vitro and in vivo anti-haemonchiasis activity. Among the reported assays, egg hatching test (EHT) and fecal egg count reduction (FECR) were the most widely used assays in vitro and in vivo, respectively. Moreover, sheep were the frequently used experimental model in vivo. After comparative analysis, Lachesiodendron viridiflorum, Corymbia citriodora, Calotropis procera, and Artemisia herba-alba were found highly effective both in vitro and in vivo. L. viridiflorum inhibited enzymatic activities and metabolic processes of the parasite and was found to be safe without toxic effects. C. citriodora was moderately toxic in vivo, however, the plant extract produced promising nematicidal effects by causing muscular disorganization and changes in the mitochondrial profile. Additionally, C. procera and A. herba-alba despite of their high anti-haemonchiasis activity were found to be highly toxic at the tested concentrations. C. procera caused perforation and tegumental disorganization along with adult worm paralysis. Nineteen compounds were reported, among which anethole and carvone completely inhibited egg hatching in vitro and significantly reduced fecal egg count, decreased male length, and reproductive capacity of female in vivo. Conclusion: This review summarized different medicinal plants owing to nematicidal activities against H. contortus eggs, larvae, and adult worms. Plants like L. viridiflorum, C. citriodora, C. procera, and A. herba-alba, while compounds anethole and carvone having promising nematicidal activities and could be an alternative source for developing novel drugs after further investigation.
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Affiliation(s)
- Rehman Ali
- Department of Zoology, Faculty of Biological Sciences, Kohat University of Science and Technology, Kohat, Pakistan
| | - Muhammad Rooman
- Department of Zoology, Hazara University Mansehra, Kohat, Pakistan
| | - Sakina Mussarat
- Department of Botanical and Environmental Sciences, Faculty of Biological Sciences, Kohat University of Science and Technology, Kohat, Pakistan
| | - Sadia Norin
- Department of Zoology, Faculty of Biological Sciences, Kohat University of Science and Technology, Kohat, Pakistan
| | - Shandana Ali
- Department of Zoology, Faculty of Biological Sciences, Kohat University of Science and Technology, Kohat, Pakistan
| | - Muhammad Adnan
- Department of Botanical and Environmental Sciences, Faculty of Biological Sciences, Kohat University of Science and Technology, Kohat, Pakistan
| | - Shahid Niaz Khan
- Department of Zoology, Faculty of Biological Sciences, Kohat University of Science and Technology, Kohat, Pakistan
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Idowu S, Adekoya AE, Igiehon OO, Idowu AT. Clove (Syzygium aromaticum) spices: a review on their bioactivities, current use, and potential application in dairy products. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2021. [DOI: 10.1007/s11694-021-00915-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Saeed M, Khan MS, Alagawany M, Farag MR, Alqaisi O, Aqib AI, Qumar M, Siddique F, Ramadan MF. Clove (Syzygium aromaticum) and its phytochemicals in ruminant feed: an updated review. RENDICONTI LINCEI. SCIENZE FISICHE E NATURALI 2021. [DOI: 10.1007/s12210-021-00985-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Sarto MPM, Lucas da Silva HF, de Souza Fernandes N, de Abreu AP, Zanusso Junior G, de Ornelas Toledo MJ. Essential oils from Syzygium aromaticum and Zingiber officinale, administered alone or in combination with benznidazole, reduce the parasite load in mice orally inoculated with Trypanosoma cruzi II. BMC Complement Med Ther 2021; 21:77. [PMID: 33632196 PMCID: PMC7908772 DOI: 10.1186/s12906-021-03248-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 02/14/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Trypanosoma cruzi is the etiological agent of Chagas disease (CD) or American trypanosomiasis, an important public health problem in Latin America. Benznidazole (BZ), a drug available for its treatment, has limited efficacy and significant side effects. Essential oils (EOs) have demonstrated trypanocidal activity and may constitute a therapeutic alternative. Our aim was to evaluate the efficacy of the EOs of clove (CEO - Syzygium aromaticum) and ginger (GEO - Zingiber officinale), administered alone and in combination with BZ, in Swiss mice infected with T. cruzi. METHODS The animals were inoculated with 10,000 blood trypomastigotes of the Y strain of T. cruzi II by gavage and divided into four groups (n = 12 to 15): 1) untreated control (NT); 2) treated with BZ; 3) treated with CEO or GEO; and 4) treated with BZ + CEO or GEO. The treatments consisted of oral administration of 100 mg/kg/day, from the 5th day after parasite inoculation, for 20 consecutive days. All groups were submitted to fresh blood examination (FBE), blood culture (BC), conventional PCR (cPCR) and real-time PCR (qPCR), before and after immunosuppression with cyclophosphamide. RESULTS Clove and ginger EOs, administered alone and in combination with BZ, promoted suppression of parasitemia (p < 0.0001), except for the animals treated with CEO alone, which presented a parasitemia curve similar to NT animals. However, there was a decrease in the BC positivity rate (p < 0.05) and parasite load (< 0.0001) in this group. Treatment with GEO alone, on the other hand, besides promoting a decrease in the BC positivity rate (p < 0.05) and parasite load (p < 0.01), this EO also resulted in a decrease in mortality rate (p < 0.05) of treated mice. CONCLUSIONS Decreased parasite load, as detected by qPCR, was observed in all treatment groups (BZ, CEO, GEO and BZ + EOs), demonstrating benefits even in the absence of parasitological cure, thus opening perspectives for further studies.
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Affiliation(s)
- Marcella Paula Mansano Sarto
- Postgraduate Program in Health Sciences, Health Sciences Center, State University of Maringá, Avenida Colombo, 5790, Jardim Universitário, Maringá, Paraná, 87020-900 Brazil
| | - Hevillyn Fernanda Lucas da Silva
- Postgraduate Program in Health Sciences, Health Sciences Center, State University of Maringá, Avenida Colombo, 5790, Jardim Universitário, Maringá, Paraná, 87020-900 Brazil
| | - Nilma de Souza Fernandes
- Postgraduate Program in Biological Sciences, Biological Sciences Center, State University of Maringá, Avenida Colombo, 5790, Jardim Universitário, Maringá, Paraná, 87020-900 Brazil
| | - Ana Paula de Abreu
- Postgraduate Program in Health Sciences, Health Sciences Center, State University of Maringá, Avenida Colombo, 5790, Jardim Universitário, Maringá, Paraná, 87020-900 Brazil
| | - Gerson Zanusso Junior
- Postgraduate Program in Health Sciences, Health Sciences Center, State University of Maringá, Avenida Colombo, 5790, Jardim Universitário, Maringá, Paraná, 87020-900 Brazil
| | - Max Jean de Ornelas Toledo
- Postgraduate Program in Health Sciences, Health Sciences Center, State University of Maringá, Avenida Colombo, 5790, Jardim Universitário, Maringá, Paraná, 87020-900 Brazil
- Postgraduate Program in Biological Sciences, Biological Sciences Center, State University of Maringá, Avenida Colombo, 5790, Jardim Universitário, Maringá, Paraná, 87020-900 Brazil
- Department of Basic Health Sciences, Health Sciences Center, State University of Maringá, Avenida Colombo, 5790, Jardim Universitário, Maringá, Paraná, 87020-900 Brazil
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Thuy BTP, Hieu LT, My TTA, Hai NTT, Loan HTP, Thuy NTT, Triet NT, Van Anh TT, Dieu NTX, Quy PT, Van Trung N, Quang DT, Huynh LK, Nhung NTA. Screening for Streptococcus pyogenes antibacterial and Candida albicans antifungal bioactivities of organic compounds in natural essential oils of Piper betle L., Cleistocalyx operculatus L. and Ageratum conyzoides L. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01404-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Oral administration of eugenol oleate cures experimental visceral leishmaniasis through cytokines abundance. Cytokine 2020; 145:155301. [PMID: 33127258 DOI: 10.1016/j.cyto.2020.155301] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 09/09/2020] [Accepted: 09/14/2020] [Indexed: 12/20/2022]
Abstract
Visceral leishmaniasis (VL) is an endemic fatal infectious disease in tropical and subtropical nations. The limited treatment options, long treatment regimens, invasive mode of administration of drugs, and lack of effective vaccination are the main reasons for the search of new alternative therapeutics against VL. On this quest, from a series of eugenol derivatives, we had demonstrated eugenol oleate as a lead immunomodulatory anti-VL molecule earlier. In this report, the oral efficacy and mechanism of eugenol oleate in inducing immunomodulatory anti-VL activity has been studied in BALB/c mice model. The plasma pharmacokinetic and acute toxicity studies suggested that the eugenol oleate is safe with an appreciable pharmacokinetic profile. Eugenol oleate (30 mg/kg B.W.) showed 86.5% of hepatic and 84.1% of splenic parasite clearance. The increased Th1 cytokine profile and decreased Th2 cytokine profile observed from ELISA and qRTPCR suggested that the eugenol oleate induced the parasite clearance through the activation of the host immune system. Subsequently, the mechanistic insights behind the anti-leishmanial activity of eugenol oleate were studied in peritoneal macrophages in vitro by inhibitor response study and immunoblotting. The results inferred that eugenol oleate activated the PKC-βII-p38 MAPK and produced IL-12 and IFN-γ which intern activated the iNOS2 to produce NO free radicals that cleared the intracellular parasite.
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Abstract
AbstractThis systematic review investigated the evidence for the therapeutic potential of essential oils (EOs) against Leishmania amazonensis. We searched available scientific publications from 2005 to 2019 in the PubMed and Web of Science electronic databases, according to PRISMA statement. The search strategy utilized descriptors and free terms. The EOs effect of 35 species of plants identified in this systematic review study, 45.7% had half of the maximal inhibitory concentration (IC50) 10 < IC50 ⩽ 50 μg mL−1 and 14.3% had a 10 < IC50μg mL−1 for promastigote forms of L. amazonensis. EOs from Cymbopogon citratus species had the lowest IC50 (1.7 μg mL−1). Among the plant species analyzed for activity against intracellular amastigote forms of L. amazonensis, 39.4% had an IC50 10 < IC50 ⩽ 50 μg mL−1, and 33.3% had an IC50 10 < IC50μg mL−1. Aloysia gratissima EO showed the lowest IC50 (0.16 μg mL−1) for intracellular amastigotes. EOs of Chenopodium ambrosioides, Copaifera martii and Carapa guianensis, administered by the oral route, were effective in reducing parasitic load and lesion volume in L. amazonensis-infected BALB/c mice. EOs of Bixa orellana and C. ambrosioides were effective when administered intraperitoneally. Most of the studies analyzed in vitro and in vivo for the risk of bias showed moderate methodological quality. These results indicate a stimulus for the development of new phytotherapy drugs for leishmaniasis treatment.
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Development, characterization, and anti-leishmanial activity of topical amphotericin B nanoemulsions. Drug Deliv Transl Res 2020; 10:1552-1570. [DOI: 10.1007/s13346-020-00821-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Albino SL, da Silva JM, de C Nobre MS, de M E Silva YMS, Santos MB, de Araújo RSA, do C A de Lima M, Schmitt M, de Moura RO. Bioprospecting of Nitrogenous Heterocyclic Scaffolds with Potential Action for Neglected Parasitosis: A Review. Curr Pharm Des 2020; 26:4112-4150. [PMID: 32611290 DOI: 10.2174/1381612826666200701160904] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Accepted: 04/24/2020] [Indexed: 11/22/2022]
Abstract
Neglected parasitic diseases are a group of infections currently considered as a worldwide concern. This fact can be attributed to the migration of these diseases to developed and developing countries, associated with therapeutic insufficiency resulted from the low investment in the research and development of new drugs. In order to overcome this situation, bioprospecting supports medicinal chemistry in the identification of new scaffolds with therapeutically appropriate physicochemical and pharmacokinetic properties. Among them, we highlight the nitrogenous heterocyclic compounds, as they are secondary metabolites of many natural products with potential biological activity. The objective of this work was to review studies within a 10-year timeframe (2009- 2019), focusing on the pharmacological application of nitrogen bioprospectives (pyrrole, pyridine, indole, quinoline, acridine, and their respective derivatives) against neglected parasitic infections (malaria, leishmania, trypanosomiases, and schistosomiasis), and their application as a template for semi-synthesis or total synthesis of potential antiparasitic agents. In our studies, it was observed that among the selected articles, there was a higher focus on the attempt to identify and obtain novel antimalarial compounds, in a way that an extensive amount of studies involving all heterocyclic nitrogen nuclei were found. On the other hand, the parasites with the lowest number of publications up until the present date have been trypanosomiasis, especially those caused by Trypanosoma cruzi, and schistosomiasis, where some heterocyclics have not even been cited in recent years. Thus, we conclude that despite the great biodiversity on the planet, little attention has been given to certain neglected tropical diseases, especially those that reach countries with a high poverty rate.
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Affiliation(s)
- Sonaly L Albino
- Universidade Estadual da Paraiba, R. Baraunas, 351, Cidade Universitaria, Campina Grande, Paraiba, 58429-500, Brazil
| | - Jamire M da Silva
- Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitaria, Recife, Pernambuco, 50670-901, Brazil
| | - Michelangela S de C Nobre
- Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitaria, Recife, Pernambuco, 50670-901, Brazil
| | - Yvnni M S de M E Silva
- Universidade Estadual da Paraiba, R. Baraunas, 351, Cidade Universitaria, Campina Grande, Paraiba, 58429-500, Brazil
| | - Mirelly B Santos
- Universidade Estadual da Paraiba, R. Baraunas, 351, Cidade Universitaria, Campina Grande, Paraiba, 58429-500, Brazil
| | - Rodrigo S A de Araújo
- Universidade Estadual da Paraiba, R. Baraunas, 351, Cidade Universitaria, Campina Grande, Paraiba, 58429-500, Brazil
| | - Maria do C A de Lima
- Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitaria, Recife, Pernambuco, 50670-901, Brazil
| | - Martine Schmitt
- Universite de Strasbourg, CNRS, LIT UMR 7200, Laboratoire d'innovation therapeutique, Illkirch, France
| | - Ricardo O de Moura
- Universidade Federal de Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitaria, Recife, Pernambuco, 50670-901, Brazil
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Raeisi M, Mirkarimi K, Jannat B, Rahimi Esboei B, Pagheh AS, Mehrbakhsh Z, Ghaffarifar F, Jorjani O, Foroutan M. In Vitro Effect of Some Medicinal Plants on Leishmania major Strain MRHO/IR/75/ER. MEDICAL LABORATORY JOURNAL 2020. [DOI: 10.29252/mlj.14.4.46] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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Vahekeni N, Neto PM, Kayimbo MK, Mäser P, Josenando T, da Costa E, Falquet J, van Eeuwijk P. Use of herbal remedies in the management of sleeping sickness in four northern provinces of Angola. JOURNAL OF ETHNOPHARMACOLOGY 2020; 256:112382. [PMID: 31743767 DOI: 10.1016/j.jep.2019.112382] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 11/02/2019] [Accepted: 11/10/2019] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE This study reports for the first time on the use of folk medicine to treat sleeping sickness and its symptoms in four endemic provinces in northern Angola. By interviewing both traditional practitioners and confirmed patients, it highlights reasons to recourse to folk medicine, the plant species used for this affection as well as arises awareness about the use of particular plants showing potential risks. AIM OF THE STUDY The aims of this explorative study were three-fold. Firstly, it informed on access to, and use of plant-based medicine as first-choice treatment by infected persons. Secondly, it aimed at collecting comprehensive data from patients and traditional healers on herbal remedies in order to identify plant species used in the management of the disease. Thirdly, it served as contribution for primary indication of potential risk of use associated with the studied plants and their preparation. MATERIALS AND METHODS The study was conducted in 4 endemic provinces of Angola, namely Bengo, Zaire, Kwanza Norte and Uíge. We explored the use of herbal remedies by conducting structured and semi-structured interviews within two distinct study populations. The first group comprises 30 patients who had been diagnosed for trypanosomiasis and treated by the reference treatment. The second group included 9 traditional practitioners who had already treated sleeping sickness. The plants that were cited during the interviews were collected during field walks under supervision of a traditional healer, then authenticated and deposited at the National Herbarium in Luanda. RESULTS Of the 30 included patients, 12 (40%) had turned to folk medicine in the management of trypanosomiasis and related symptoms. 7 medicinal plants were reported by this group. Considering the key motivation to consult a traditional practitioner, two main factors accounted for half of the cases: "past experience with folk medicine" and "family habit". Out of 9 traditional practitioners' interviewees, 26 medicinal plants were cited. Roots and leaves were the most used plant parts, and decoction was the common mode of preparation. Evidence for antitrypanosomal activity in the scientific literature was found for 56% (17 of 30) of the identified plant species. The most cited plant was Crossopteryx febrifuga (UR = 6). Some of the cited plants, as for example Aristolochia gigantea, raised concern about potential toxicity. CONCLUSIONS With 40% of infected persons having turned first to folk medicine before consulting a medical doctor, this explorative study points out that plant-based medicines play an important role in local dynamics of health care. It highlights the need for primary assessment of potential risk of use related to the herbal recipes, and for reporting it to the concerned population. This first ethnobotanical study on trypanosomiasis in endemic provinces of Angola provides information on 30 plants, of which some had been identified as promising for further pharmacological research. Our results provide a first step towards the validation and valorization of Angolan herbal remedies for sleeping sickness.
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Affiliation(s)
- Nina Vahekeni
- Swiss Tropical and Public Health Institute (Swiss TPH), Socinstr. 53, 4051, Basel, Switzerland; University of Basel, Petersplatz 1, 4001, Basel, Switzerland; Nacional Center of Scientific Investigation (CNIC), Luanda, Angola.
| | - Pedro Menezes Neto
- Centro de Estudos e Investigação Científica de Botânica, Universidade Agostinho Neto, Luanda, Angola.
| | | | - Pascal Mäser
- Swiss Tropical and Public Health Institute (Swiss TPH), Socinstr. 53, 4051, Basel, Switzerland; University of Basel, Petersplatz 1, 4001, Basel, Switzerland.
| | - Théophile Josenando
- Instituto de Combate e Controlo das Tripanossomíasses (ICCT), Luanda, Angola.
| | - Esperança da Costa
- Centro de Estudos e Investigação Científica de Botânica, Universidade Agostinho Neto, Luanda, Angola.
| | | | - Peter van Eeuwijk
- Swiss Tropical and Public Health Institute (Swiss TPH), Socinstr. 53, 4051, Basel, Switzerland; University of Basel, Petersplatz 1, 4001, Basel, Switzerland; Institute of Social Anthropology, University of Basel, Münsterplatz 19, 4051, Basel, Switzerland.
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Félix MB, de Araújo RSA, Barros RPC, de Simone CA, Rodrigues RRL, de Lima Nunes TA, da Franca Rodrigues KA, Junior FJBM, Muratov E, Scotti L, Scotti MT. Computer-Assisted Design of Thiophene-Indole Hybrids as Leishmanial Agents. Curr Top Med Chem 2020; 20:1704-1719. [PMID: 32543360 DOI: 10.2174/1568026620666200616142120] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 12/01/2019] [Accepted: 12/15/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Chemoinformatics has several applications in the field of drug design, helping to identify new compounds against a range of ailments. Among these are Leishmaniasis, effective treatments for which are currently limited. OBJECTIVE To construct new indole 2-aminothiophene molecules using computational tools and to test their effectiveness against Leishmania amazonensis (sp.). METHODS Based on the chemical structure of thiophene-indol hybrids, we built regression models and performed molecular docking, and used these data as bases for design of 92 new molecules with predicted pIC50 and molecular docking. Among these, six compounds were selected for the synthesis and to perform biological assays (leishmanicidal activity and cytotoxicity). RESULTS The prediction models and docking allowed inference of characteristics that could have positive influences on the leishmanicidal activity of the planned compounds. Six compounds were synthesized, one-third of which showed promising antileishmanial activities, with IC50 ranging from 2.16 and 2.97 μM (against promastigote forms) and 0.9 and 1.71 μM (against amastigote forms), with selectivity indexes (SI) of 52 and 75. CONCLUSION These results demonstrate the ability of Quantitative Structure-Activity Relationship (QSAR)-based rational drug design to predict molecules with promising leishmanicidal potential, and confirming the potential of thiophene-indole hybrids as potential new leishmanial agents.
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Affiliation(s)
- Mayara Barbalho Félix
- Post-Graduation Program in Natural and Synthetic Bioactive Products, Federal University of Paraiba, Joao Pessoa- PB 58051-900, Brazil
| | | | - Renata Priscila Costa Barros
- Post-Graduation Program in Natural and Synthetic Bioactive Products, Federal University of Paraiba, Joao Pessoa- PB 58051-900, Brazil
| | - Carlos Alberto de Simone
- Departamento de Fisica e Informatica, Instituto de Fisica de Sao Carlos, Universidade de Sao Paulo - USP, 13560-970 Sao Carlos-SP, Brazil
| | - Raiza Raianne Luz Rodrigues
- Laboratorio de Doencas Infecciosas, Campus Ministro Reis Velloso, Universidade Federal do Delta do Parnaiba, 64202-020 Parnaiba, PI, Brazil
| | - Thaís Amanda de Lima Nunes
- Laboratorio de Doencas Infecciosas, Campus Ministro Reis Velloso, Universidade Federal do Delta do Parnaiba, 64202-020 Parnaiba, PI, Brazil
| | | | | | - Eugene Muratov
- Laboratory for Molecular Modeling, Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, United States
| | - Luciana Scotti
- Post-Graduation Program in Natural and Synthetic Bioactive Products, Federal University of Paraiba, Joao Pessoa- PB 58051-900, Brazil
| | - Marcus Tullius Scotti
- Post-Graduation Program in Natural and Synthetic Bioactive Products, Federal University of Paraiba, Joao Pessoa- PB 58051-900, Brazil
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Taia A, Essaber M, Aatif A, Chkirate K, Hökelek T, Mague JT, Sebbar NK. Crystal structure, Hirshfeld surface analysis, inter-action energy and DFT studies of 4-[(4-allyl-2-meth-oxy-phen-oxy)meth-yl]-1-(4-meth-oxy-phen-yl)-1 H-1,2,3-triazole. Acta Crystallogr E Crystallogr Commun 2020; 76:962-966. [PMID: 32523773 PMCID: PMC7273996 DOI: 10.1107/s2056989020006994] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 05/22/2020] [Indexed: 11/14/2022]
Abstract
In the title mol-ecule, C20H21N3O3, the allyl substituent is rotated out of the plane of its attached phenyl ring [torsion angle 100.66 (15)°]. In the crystal, C-HMthphn⋯OMthphn (Mthphn = meth-oxy-phen-yl) hydrogen bonds lead to the formation of (100) layers that are connected into a three-dimensional network by C-H⋯π(ring) inter-actions, together with π-π stacking inter-actions [centroid-to-centroid distance = 3.7318 (10) Å] between parallel phenyl rings. Hirshfeld surface analysis indicates that the most important contributions to the crystal packing are from H⋯H (48.7%) and H⋯C/C⋯H (23.3%) inter-actions. Computational chemistry reveals that the C-HMthphn⋯OMthphn hydrogen bond energy is 47.1 kJ mol-1. The theoretical structure, optimized by density functional theory (DFT) at the B3LYP/ 6-311 G(d,p) level, is compared with the experimentally determined mol-ecular structure. The HOMO-LUMO behaviour was elucidated to determine the energy gap.
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Affiliation(s)
- Abdelmaoujoud Taia
- Laboratory of Molecular Chemistry, Department of Chemistry, Faculty of Sciences Semlalia, University of Cadi Ayyad, BP 2390, 40001 Marrakech, Morocco
| | - Mohamed Essaber
- Laboratory of Molecular Chemistry, Department of Chemistry, Faculty of Sciences Semlalia, University of Cadi Ayyad, BP 2390, 40001 Marrakech, Morocco
| | - Abdeljalil Aatif
- Laboratory of Molecular Chemistry, Department of Chemistry, Faculty of Sciences Semlalia, University of Cadi Ayyad, BP 2390, 40001 Marrakech, Morocco
| | - Karim Chkirate
- Laboratoire de Chimie Organique Heterocyclique URAC 21, Pôle de Competence Pharmacochimie, Av. Ibn Battouta, BP 1014, Faculté des Sciences, Université Mohammed V, Rabat, Morocco
| | - Tuncer Hökelek
- Department of Physics, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Joel T. Mague
- Department of Chemistry, Tulane University, New Orleans, LA 70118, USA
| | - Nada Kheira Sebbar
- Laboratoire de Chimie Organique Heterocyclique URAC 21, Pôle de Competence Pharmacochimie, Av. Ibn Battouta, BP 1014, Faculté des Sciences, Université Mohammed V, Rabat, Morocco
- Laboratoire de Chimie Appliquée et Environnement, Equipe de Chimie Bioorganique Appliquée, Faculté des Sciences, Université Ibn Zohr, Agadir, Morocco
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Hafeez A, Ullah Z, Khan RU, Ullah Q, Naz S. Effect of diet supplemented with coconut essential oil on performance and villus histomorphology in broiler exposed to avian coccidiosis. Trop Anim Health Prod 2020; 52:2499-2504. [PMID: 32377969 DOI: 10.1007/s11250-020-02279-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 04/22/2020] [Indexed: 11/30/2022]
Abstract
The current research study was designed to determine the inclusion of 2% dietary essential coconut oil with and without coccidiosis challenge on performance, carcass characteristics, and intestinal histomorphology in broilers. A total of 560 broiler chicks were divided into 4 groups and then subdivided into 5 replicates. Coconut oil was used at 2% in feed, whereas coccidiosis challenged was introduced using 30,000 oocysts. The other four groups were designated as G1 (without coconut oil and without oocysts), G2 (without coconut oil with oocysts), G3 (with coconut oil without oocysts), and G4 (with coconut oil and with oocysts). The results revealed that the overall feed consumption was significantly (P < 0.01) increased in G1 and G2 than G3 and G4 groups. Overall weight gain was significantly (P < 0.01) higher in G3 compared with all other groups. Significantly (P < 0.01) better feed conversion ratio was recorded at the finisher phase in G3 and G4 groups in comparison with G1 and G2. The villus length, width, and surface area were higher (P < 0.01) in G3 compared with G2. Based on the findings of the present study, it was concluded that the use of 2% coconut oil in broiler feed improved growth performance and villus histology during coccidial challenge.
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Affiliation(s)
- Abdul Hafeez
- Department of Poultry Science, Faculty of Animal Husbandry & Veterinary Sciences, The University of Agriculture, Peshawar, Pakistan
| | - Zia Ullah
- Department of Poultry Science, Faculty of Animal Husbandry & Veterinary Sciences, The University of Agriculture, Peshawar, Pakistan
| | - Rifat Ullah Khan
- College of Veterinary Sciences, Faculty of Animal Husbandry & Veterinary Sciences, The University of Agriculture, Peshawar, Pakistan
| | - Qudrat Ullah
- Faculty of Veterinary and Animal Sciences, Gomal University, Dera Ismail Khan, Pakistan
| | - Shabana Naz
- Department of Zoology, Government College University, Faisalabad, Pakistan.
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Arafa WM, Abolhadid SM, Moawad A, Abdelaty AS, Moawad UK, Shokier KAM, Shehata O, Gadelhaq SM. Thymol efficacy against coccidiosis in pigeon (Columba livia domestica). Prev Vet Med 2020; 176:104914. [PMID: 32066028 DOI: 10.1016/j.prevetmed.2020.104914] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 01/23/2020] [Accepted: 02/04/2020] [Indexed: 12/27/2022]
Abstract
Investigation of thymol efficacy to control pigeon coccidiosis was performed using in-vitro and in-vivo studies. The in-vitro experiment was conducted by treatment of unsporulated oocysts of Eimeria species of pigeon by five concentrations (0.625-10%) from either thymol, eucalyptus essential oil or amprolium anticoccidial drug and incubation for 72 h. The in-vitro study revealed that thymol concentrations ≥1.25 % caused significant deformity on sporulated and unsporulated oocysts compared to the other two products. Eucalyptus oil was active at both 5 and 10 % concentrations on unsporulated oocysts but showed non-significant changes on sporulated ones at all tested concentration. Meanwhile, in-vivo testing of thymol was conducted using 45 squabs which were equally divided into three groups; untreated uninfected (UU) negative control, untreated infected (UI) positive control and thymol treated (TT). TT group received 40 mg/kg BWt thymol in feed for 15 days. At day five post thymol supplementation, the UI and TT groups were orally infected by 25 × 103sporulated oocysts of pigeon Eimeria labbeana. The in-vivo study showed that thymol minimized the adverse effect of Eimeria infection in pigeon as observed by less severity of clinical signs, low oocysts count and improvement of body weight when compared with untreated infected birds. In addition, the biochemical parameters including liver and kidney functions tests proved thymol safety in pigeon. Moreover, thymol showed excellent antioxidant activity that was estimated by significantly lower value of malondialdehyde in TT than UI groups. The histopathological findings of TT group showed intact intestinal villi with mild sloughed epithelium, degenerated coccidian developmental stages and massive infiltrations of mononuclear cells in lamina propria. In conclusion, thymol can be safely used to control pigeon coccidiosis as a natural effective compound.
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Affiliation(s)
- Waleed M Arafa
- Department of Parasitology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt
| | - Shawky M Abolhadid
- Department of Parasitology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt.
| | - Abeer Moawad
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62511, Egypt
| | | | - Usama K Moawad
- Department of Histology and Cytology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt
| | | | - Olfat Shehata
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt
| | - Sahar M Gadelhaq
- Department of Parasitology, Faculty of Veterinary Medicine, Minia University, El-Minia, Egypt
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El-Saber Batiha G, Alkazmi LM, Wasef LG, Beshbishy AM, Nadwa EH, Rashwan EK. Syzygium aromaticum L. (Myrtaceae): Traditional Uses, Bioactive Chemical Constituents, Pharmacological and Toxicological Activities. Biomolecules 2020; 10:E202. [PMID: 32019140 PMCID: PMC7072209 DOI: 10.3390/biom10020202] [Citation(s) in RCA: 166] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 01/27/2020] [Accepted: 01/28/2020] [Indexed: 12/22/2022] Open
Abstract
Herbal medicinal products have been documented as a significant source for discovering new pharmaceutical molecules that have been used to treat serious diseases. Many plant species have been reported to have pharmacological activities attributable to their phytoconstituents such are glycosides, saponins, flavonoids, steroids, tannins, alkaloids, terpenes, etc. Syzygium aromaticum (clove) is a traditional spice that has been used for food preservation and possesses various pharmacological activities. S. aromaticum is rich in many phytochemicals as follows: sesquiterpenes, monoterpenes, hydrocarbon, and phenolic compounds. Eugenyl acetate, eugenol, and β-caryophyllene are the most significant phytochemicals in clove oil. Pharmacologically, S. aromaticum has been examined toward various pathogenic parasites and microorganisms, including pathogenic bacteria, Plasmodium, Babesia, Theileria parasites, Herpes simplex, and hepatitis C viruses. Several reports documented the analgesic, antioxidant, anticancer, antiseptic, anti-depressant, antispasmodic, anti-inflammatory, antiviral, antifungal, and antibacterial activity of eugenol against several pathogenic bacteria including methicillin-resistant Staphylococcusepidermidis and S. aureus. Moreover, eugenol was found to protect against CCl4-induced hepatotoxicity and showed a potential lethal efficacy against the multiplication of various parasites including Giardia lamblia, Fasciolagigantica, Haemonchuscontortus, and Schistosomamansoni. This review examines the phytochemical composition and biological activities of clove extracts along with clove essential oil and the main active compound, eugenol, and implicates new findings from gas chromatography-mass spectroscopy (GC-MS) analysis.
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Affiliation(s)
- Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, AlBeheira, Egypt;
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Nishi 2-13, Inada-cho, Obihiro 080-8555, Hokkaido, Japan;
| | - Luay M. Alkazmi
- Biology Department, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia;
| | - Lamiaa G. Wasef
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, AlBeheira, Egypt;
| | - Amany Magdy Beshbishy
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Nishi 2-13, Inada-cho, Obihiro 080-8555, Hokkaido, Japan;
| | - Eman H. Nadwa
- Department of Pharmacology and Therapeutics, College of Medicine, Jouf University, Sakaka 72345, Saudi Arabia;
- Department of Medical Pharmacology, Faculty of Medicine, Cairo University, Giza 12613, Egypt
| | - Eman K. Rashwan
- Department of Physiology, College of Medicine, Al-Azhar University, Assuit 71524, Egypt;
- Department of Physiology, College of Medicine, Jouf University, Sakaka 42421, Saudi Arabia
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Garcinielliptone FC: Selective anti-amastigote and immunomodulatory effects on macrophages infected by Leishmania amazonensis. Toxicol In Vitro 2019; 63:104750. [PMID: 31862617 DOI: 10.1016/j.tiv.2019.104750] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Revised: 12/04/2019] [Accepted: 12/11/2019] [Indexed: 11/24/2022]
Abstract
The present study was directed to the in vitro antileishmanial, cytotoxic and immunomodulatory effects of Garcinielliptone FC (GFC) against promastigote and macrophage-internalized amastigote forms of Leishmania amazonensis. GFC showed in vitro cytotoxicity against BALB/c peritoneal macrophages with CC50 of 74.90 μM. The hemolytic activity against sheep erythrocytes only demonstrated a decrease of 20.42% in cell viability at the highest tested concentration tested (1326.0 μM). GFC promoted in vitro growth inhibition of both promastigote and intracellular amastigotes with IC50 values of 14.06 and 1.91 μM, respectively, with 7.3-fold higher Selectivity Index (SI) for intracellular amastigotes (SI = 39.21) than for promastigotes (SI = 5.33). Interestingly, the pre-treatment of macrophages or promastigotes with GFC promoted decrease of infected macrophages and number of recovered amastigotes, respectively. Also, GFC was able to markedly promote macrophages activation by increase of phagocytic capability and nitrite production at concentrations able to solve infection of macrophages by L. amazonensis, suggesting the possible involvement of immunomodulatory modulation of macrophages leading to solve the infection. GFC is an emerging and promising chemical compound for the studies focused on the assessment of its therapeutic potential on in vivo experimental models of leishmaniasis.
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Lippia sidoides and Lippia origanoides essential oils affect the viability, motility and ultrastructure of Trypanosoma cruzi. Micron 2019; 129:102781. [PMID: 31830667 DOI: 10.1016/j.micron.2019.102781] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 11/11/2019] [Accepted: 11/12/2019] [Indexed: 02/07/2023]
Abstract
Chagas disease, caused by the protozoan Trypanosoma cruzi, is considered a public health problem. The current chemotherapy for this illness causes serious side effects and its use in the chronic phase of the disease is still controversial. In this regard, the investigation of novel therapeutic strategies remains a priority. The essential oils (EOs) from aromatic plants emerge as a promising source of bioactive compounds. In a previous work we reported the trypanocidal activity of the essential oils from the medicinal plants Lippia sidoides (LSEO) and Lippia origanoides (LOEO) against T. cruzi. Herein, we aimed to further investigate, in more details, the mode of action of LSEO and LOEO on the different developmental stages of this parasite. We showed that Lippia sidoides (LSEO) and Lippia origanoides (LOEO) induced a significant reduction in the percentage of macrophages infected by T. cruzi and in the number of intracellular parasites. Ultrastructural analysis showed that the treatment with both oils caused morphological changes consistent with loss of viability and cell death. The reduced staining with calcein and the increase in the proportion of HE-positive cells also demonstrated that LSEO and LOEO caused loss of parasite viability and membrane integrity. A considerable decrease in Rhodamine 123 and an increase in fluorescence intensity of MitoSox in LOEO were indicative of loss of mitochondrial potential and generation of reactive oxygen species, which ultimately lead to parasite death. Moreover, the optical tweezer analysis indicated that LOEO was more effective in reducing the motility of the epimastigotes. Taken together, our results demonstrated that the LSEO and LOEO are active against T. cruzi and constitute a promising drugs for the therapy of Chagas disease.
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Madhumita M, Guha P, Nag A. Optimization of the exhaustive hydrodistillation method in the recovery of essential oil from fresh and cured betel leaves (
Piper betle
L.) using the Box–Behnken design. J FOOD PROCESS PRES 2019. [DOI: 10.1111/jfpp.14196] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Mitali Madhumita
- Department of Agricultural and Food Engineering Indian Institute of Technology Kharagpur Kharagpur India
| | - Proshanta Guha
- Department of Agricultural and Food Engineering Indian Institute of Technology Kharagpur Kharagpur India
| | - Ahindra Nag
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur India
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Biological activity of Morita-Baylis-Hillman adduct homodimers in L. infantum and L. amazonensis: anti-Leishmania activity and cytotoxicity. Parasitol Res 2019; 118:3067-3076. [PMID: 31392413 DOI: 10.1007/s00436-019-06403-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 07/19/2019] [Indexed: 12/14/2022]
Abstract
This study is a report on the anti-Leishmania activity of Morita-Baylis-Hillman (MBH) homodimers adducts against the promastigote and axenic amastigote forms of Leishmania (Leishmania) infantum and Leishmania (Leishmania) amazonensis and on the cytotoxicity of these adducts to human blood cells. Both studied homodimers, MBH 1 and MBH 2, showed activity against the promastigote forms of L. infantum and L. amazonensis, which are responsible for visceral and cutaneous leishmaniasis, respectively. Additionally, the homodimers presented biological activity against the axenic amastigote forms of these two Leishmania species. The adducts exhibited no hemolytic activity to human peripheral blood mononuclear cells or erythrocytes at the tested concentrations and achieved higher selectivity indices than amphotericin B. Evaluation of cell death by apoptosis revealed that the homodimers had better apoptosis/necrosis profiles than amphotericin B in the promastigote forms of both L. infantum and L. amazonensis. In conclusion, these Morita-Baylis-Hillman adducts had anti-Leishmania activity in an in vitro model and may thus be promising molecules in the search for new drugs to treat leishmaniasis.
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Lavandula Luisieri and Lavandula Viridis Essential Oils as Upcoming Anti-Protozoal Agents: A Key Focus on Leishmaniasis. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9153056] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background and objectives: Leishmania species is the causative agent of leishmaniasis, a broad-spectrum clinical condition that can even be life-threatening when neglected. Current therapeutic strategies, despite beings highly cost-effective, have been increasingly associated with the appearance of drug-resistant microorganisms. Thus, an increasing number of thorough studies are needed towards upcoming drug discovery. This study aims to reveal the anti-protozoa activity of Lavandula luisieri and Lavandula viridis essential oils (EO) and their main components (1,8-cineole, linalool, and borneol). Materials and Methods: L. luisieri and L. viridis EO and their main components’ leishmanicidal effects were tested in vitro against Leishmania infantum, Leishmania major, and Leishmania tropica strains. Cell viability effects were estimated by using the tetrazolium-dye (MTT) colorimetric method, morphological changes were assessed by scanning electron microscopy (SEM) and ultrastructural investigation by transmission electronic microscopy (TEM). Phosphatidylserine externalization, mitochondrial membrane potential (MMP), and cathepsin D activity assessment were also carried out. Finally, cytotoxic activity of the studied matrices was also determined in mammalian cells. Results: Plant-studied EO exhibited prominent anti-Leishmania effects (IC50 = 31–263 µg/mL), with L. luisieri being the most active one. At concentrations corresponding to IC50 values, EO-exposed L. infantum promastigotes suffered marked ultrastructural modifications. The presence of aberrant-shaped cells, mitochondrial and kinetoplast swelling, and autophagosomal structures were the most common evidenced changes. L. luisieri EO exerted its leishmanicidal activity through different mechanisms, but mainly through unleashing apoptosis. Phosphatidylserine externalization, mitochondrial membrane potential loss, and cell-cycle arrest at G(0)/G(1) phase were the most remarkable apoptosis-mediated aspects. Inhibition of cathepsin D activity was also observed. No toxic effects were found on macrophage cells. Conclusions: L. luisieri seems to be an upcoming source of bioactive molecules for leishmaniasis control and to find leading molecules for new drugs formulation against Leishmania infections.
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Rottini MM, Amaral ACF, Ferreira JLP, Oliveira ESC, Silva JRDA, Taniwaki NN, Dos Santos AR, Almeida-Souza F, de Souza CDSF, Calabrese KDS. Endlicheria bracteolata (Meisn.) Essential Oil as a Weapon Against Leishmania amazonensis: In Vitro Assay. Molecules 2019; 24:molecules24142525. [PMID: 31295880 PMCID: PMC6680765 DOI: 10.3390/molecules24142525] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 05/08/2019] [Accepted: 05/09/2019] [Indexed: 12/11/2022] Open
Abstract
The difficulties encountered and the numerous side effects present in the treatment of cutaneous leishmaniasis have encouraged the research for new compounds that can complement or replace existing treatment. The growing scientific interest in the study of plants, which are already used in folk remedies, has led our group to test Endlicheria bracteolata essential oil against Leishmania amazonensis. Several species of the Lauraceae family, or their compounds, have relevant antiprotozoal activities Therefore, the biological potential on L. amazonensis forms from the essential oil of Endlicheria bracteolata leaves was verified for the first time in that work. The antileishmanial activity was evaluated against promastigotes and intracellular amastigotes, and cytotoxicity were performed with J774.G8, which were incubated with different concentrations of E. bracteolata essential oil. Transmission electron microscopy and flow cytometry were performed with E. bracteolata essential oil IC50. Promastigote forms showed E. bracteolata essential oil IC50 of 7.945 ± 1.285 µg/mL (24 h) and 6.186 ± 1.226 µg/mL (48 h), while for intracellular amastigote forms it was 3.546 ± 1.184 µg/mL (24 h). The CC50 was 15.14 ± 0.090 µg/mL showing that E. bracteolata essential oil is less toxic to macrophages than to parasites. Transmission electron microscopy showed that E. bracteolata essential oil treatment is capable of inducing mitochondrial damage to promastigote and intracellular amastigote forms, while flow cytometry showed ΔѰm disruption in treated parasites. These results could bring about new possibilities to develop products based on E. bracteolata essential oil to treat cutaneous leishmaniasis, especially for people who cannot receive the conventional therapy.
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Affiliation(s)
- Mariana Margatto Rottini
- Laboratório de Imunomodulação e Protozoologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21045-900, Brazil
| | | | - José Luiz Pinto Ferreira
- Laboratório de Plantas Medicinais e Derivados (PN1), Farmanguinhos, FIOCRUZ, Rio de Janeiro 21041-250, Brazil
| | | | | | - Noemi Nosomi Taniwaki
- Núcleo de Microscopia Eletrônica, Instituto Adolfo Lutz, São Paulo 01246-000, Brazil
| | - Arith Ramos Dos Santos
- Laboratório de Plantas Medicinais e Derivados (PN1), Farmanguinhos, FIOCRUZ, Rio de Janeiro 21041-250, Brazil
| | - Fernando Almeida-Souza
- Laboratório de Imunomodulação e Protozoologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21045-900, Brazil
- Pós-graduação em Ciência Animal, Universidade Estadual do Maranhão, São Luís 65055-310, Maranhão, Brazil
| | | | - Kátia da Silva Calabrese
- Laboratório de Imunomodulação e Protozoologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21045-900, Brazil.
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Moreira RRD, Santos AGD, Carvalho FA, Perego CH, Crevelin EJ, Crotti AEM, Cogo J, Cardoso MLC, Nakamura CV. Antileishmanial activity of Melampodium divaricatum and Casearia sylvestris essential oils on Leishmania amazonensis. Rev Inst Med Trop Sao Paulo 2019; 61:e33. [PMID: 31269109 PMCID: PMC6609133 DOI: 10.1590/s1678-9946201961033] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 12/07/2018] [Indexed: 11/22/2022] Open
Abstract
Leishmaniasis is a disease that affects millions of people and it is an important public health problem. The drugs currently used for the treatment of leishmaniasis present undesirable side effects and low efficacy. In this study, we evaluated the in vitro activity of Melampodium divaricatum (MD-EO) and Casearia sylvestris (CS-EO) essential oils (EO) against promastigote and amastigote forms of Leishmania amazonensis. Sesquiterpenes E-caryophyllene (56.0%), germacrene D (12.7%) and bicyclogermacrene (9.2%) were identified as the main components of MD-EO, whereas E-caryophyllene (22.2%), germacrene D (19.6%) and bicyclogermacrene (12.2%) were the main constituents of CS-EO. CS-EO and E-caryophyllene were active against promastigote forms of L. amazonensis (IC50 24.2, 29.8 and 49.9 µg/mL, respectively). However, MD-EO, CS-EO and E-caryophyllene were more active against amastigote forms, with IC50 values of 10.7, 14.0, and 10.7 µg/mL, respectively. E-caryophyllene presented lower cytotoxicity against macrophages J774-A1 (CC50 of 62.1 µg/mL) than the EO. The EOs and E-caryophyllene should be further studied for the development of new antileishmanial drugs.
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Affiliation(s)
| | - André Gonzaga Dos Santos
- Universidade Estadual Paulista (Unesp), Faculdade de Ciências Farmacêuticas, Araraquara, São Paulo, Brazil
| | - Flavio Alexandre Carvalho
- Universidade Estadual Paulista (Unesp), Faculdade de Ciências Farmacêuticas, Araraquara, São Paulo, Brazil
| | - Caio Humberto Perego
- Universidade Estadual Paulista (Unesp), Faculdade de Ciências Farmacêuticas, Araraquara, São Paulo, Brazil
| | - Eduardo José Crevelin
- Universidade de São Paulo, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Departamento de Química, Ribeirão Preto, São Paulo, Brazil
| | - Antônio Eduardo Miller Crotti
- Universidade de São Paulo, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Departamento de Química, Ribeirão Preto, São Paulo, Brazil
| | - Juliana Cogo
- Universidade Estadual de Maringá, Centro de Ciências da Saúde, Departamento de Ciências Básicas da Saúde, Maringá, Paraná, Brazil
| | - Mara Lane Carvalho Cardoso
- Universidade Estadual de Maringá, Centro de Ciências da Saúde, Departamento de Farmácia e Farmacologia, Maringá, Paraná, Brazil
| | - Celso Vataru Nakamura
- Universidade Estadual de Maringá, Centro de Ciências da Saúde, Departamento de Ciências Básicas da Saúde, Maringá, Paraná, Brazil
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Metwally DM, Al-Talhi RA, Barakat IAH, ElKhadragy MF. Effects of Eugenol on Haemoproteus columbae in domestic pigeons ( Columba livia domestica) from Riyadh, Saudi Arabia. Biosci Rep 2019; 39:BSR20190409. [PMID: 31028133 PMCID: PMC6533204 DOI: 10.1042/bsr20190409] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/03/2019] [Accepted: 04/12/2019] [Indexed: 11/21/2022] Open
Abstract
Eugenol was investigated for the treatment of Haemoproteus columbae (H. columbae) infected squabs (young domestic pigeons, Columba domestica). Thirty naturally-infected squabs were divided into three groups of 10 each. One group was treated with Eugenol, while the positive and negative control groups were administered buparvaquone (Butalex®) and distilled water, respectively. The number of infected red blood cells (RBCs) was calculated in all groups before and after treatment at 4-day intervals for 16 days. The results showed a significant therapeutic effect of Eugenol, with a progressive decrease in the number of infected RBCs from 89.20 ± 2.11 before treatment to 0.90 ± 0.31 at the end of treatment (P≤0.05). Butalex® was able to suppress the number of infected RBCs from 93.70 ± 1.72 before treatment to 0.90 ± 0.35 at the end of the experiment (P≤0.05). Eugenol showed therapeutic effects against H. columbae and may be regarded as a candidate for further studies to develop new drugs against blood parasites, in both animals and humans.
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Affiliation(s)
- Dina M Metwally
- Zoology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Parasitology Department, College of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Razan A Al-Talhi
- Zoology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Ibrahim A H Barakat
- Zoology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Cell Biology Department, National Research Center, Dokki, Giza, Egypt
| | - Manal F ElKhadragy
- Zoology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo, Egypt
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Inhibitory effects of Syzygium aromaticum and Camellia sinensis methanolic extracts on the growth of Babesia and Theileria parasites. Ticks Tick Borne Dis 2019; 10:949-958. [PMID: 31101552 DOI: 10.1016/j.ttbdis.2019.04.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 04/18/2019] [Accepted: 04/22/2019] [Indexed: 01/28/2023]
Abstract
Currently, chemotherapeutics against piroplasmosis are also associated with toxicity and the emergence of drug-resistant parasites. Therefore, the discovery of new drug compounds is necessary for the effective control of bovine and equine piroplasms. Syzygium aromaticum (clove) and Camellia sinensis (green tea) have several documented medicinal properties. In the present study, the growth-inhibiting effects of S. aromaticum and C. sinensis methanolic extracts were evaluated in vitro and in vivo. The half-maximal inhibitory concentration (IC50) values for methanolic S. aromaticum against Babesia bovis, B. bigemina, B. divergens, B. caballi, and Theileria equi were 109.8 ± 3.8, 8.7 ± 0.09, 76.4 ± 4.5, 19.6 ± 2.2, and 60 ± 7.3 μg/ml, respectively. Methanolic C. sinensis exhibited IC50 values of 114 ± 6.1, 71.3 ± 3.7, 35.9 ± 6.8, 32.7 ± 20.3, and 60.8 ± 7.9 μg/ml against B. bovis, B. bigemina, B. divergens, B. caballi, and T. equi, respectively. The toxicity assay on Madin-Darby bovine kidney (MDBK), mouse embryonic fibroblast (NIH/3T3), and human foreskin fibroblast (HFF) cell lines showed that methanolic S. aromaticum and methanolic C. sinensis affected only the viability of the MDBK cell line with half-maximal effective concentrations (EC50) of 894.7 ± 4.9 and 473.7 ± 7.4 μg/ml, respectively, while the viability of NIH/3T3 and HFF cell lines was not affected even at 1000 μg/ml. In the in vivo experiment, methanolic S. aromaticum and methanolic C. sinensis oral treatments at 150 mg/kg inhibited the growth of Babesia microti in mice by 69.2% and 42.4%, respectively. These findings suggest that methanolic S. aromaticum and methanolic C. sinensis extracts have the potential as alternative remedies for treating piroplasmosis.
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Active Essential Oils and Their Components in Use against Neglected Diseases and Arboviruses. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:6587150. [PMID: 30881596 PMCID: PMC6387720 DOI: 10.1155/2019/6587150] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 11/06/2018] [Indexed: 12/21/2022]
Abstract
The term neglected diseases refers to a group of infections caused by various classes of pathogens, including protozoa, viruses, bacteria, and helminths, most often affecting impoverished populations without adequate sanitation living in close contact with infectious vectors and domestic animals. The fact that these diseases were historically not considered priorities for pharmaceutical companies made the available treatments options obsolete, precarious, outdated, and in some cases nonexistent. The use of plants for medicinal, religious, and cosmetic purposes has a history dating back to the emergence of humanity. One of the principal fractions of chemical substances found in plants are essential oils (EOs). EOs consist of a mixture of volatile and hydrophobic secondary metabolites with marked odors, composed primarily of terpenes and phenylpropanoids. They have great commercial value and were widely used in traditional medicine, by phytotherapy practitioners, and in public health services for the treatment of several conditions, including neglected diseases. In addition to the recognized cytoprotective and antioxidative activities of many of these compounds, larvicidal, insecticidal, and antiparasitic activities have been associated with the induction of oxidative stress in parasites, increasing levels of nitric oxide in the infected host, reducing parasite resistance to reactive oxygen species, and increasing lipid peroxidation, ultimately leading to serious damage to cell membranes. The hydrophobicity of these compounds also allows them to cross the membranes of parasites as well as the blood-brain barrier, collaborating in combat at the second stage of several of these infections. Based on these considerations, the aim of this review was to present an update of the potential of EOs, their fractions, and their chemical constituents, against some neglected diseases, including American and African trypanosomiasis, leishmaniasis, and arboviruses, specially dengue.
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