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Abd Rashid N, Mohamad Najib NH, Abdul Jalil NA, Teoh SL. Essential Oils in Cervical Cancer: Narrative Review on Current Insights and Future Prospects. Antioxidants (Basel) 2023; 12:2109. [PMID: 38136228 PMCID: PMC10740549 DOI: 10.3390/antiox12122109] [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: 11/06/2023] [Revised: 12/05/2023] [Accepted: 12/10/2023] [Indexed: 12/24/2023] Open
Abstract
Cervical cancer is a prevalent and often devastating disease affecting women worldwide. Traditional treatment modalities such as surgery, chemotherapy, and radiation therapy have significantly improved survival rates, but they are often accompanied by side effects and challenges that can impact a patient's quality of life. In recent years, the integration of essential oils into the management of cervical cancer has gained attention. This review provides an in-depth exploration of the role of various essential oils in cervical cancer, offering insights into their potential benefits and the existing body of research. The review also delves into future directions and challenges in this emerging field, emphasizing promising research areas and advanced delivery systems. The encapsulation of essential oils with solid lipid nanoparticles, nanoemulsification of essential oils, or the combination of essential oils with conventional treatments showed promising results by increasing the anticancer properties of essential oils. As the use of essential oils in cervical cancer treatment or management evolves, this review aims to provide a comprehensive perspective, balancing the potential of these natural remedies with the challenges and considerations that need to be addressed.
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Affiliation(s)
- Norhashima Abd Rashid
- Department of Biomedical Science, Faculty of Applied Science, Lincoln University College, Petaling Jaya 47301, Malaysia;
| | - Nor Haliza Mohamad Najib
- Unit of Anatomy, Faculty Medicine & Health Defence, Universiti Pertahanan Nasional Malaysia, Kuala Lumpur 57000, Malaysia;
| | - Nahdia Afiifah Abdul Jalil
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia;
| | - Seong Lin Teoh
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia;
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2
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Anyamele T, Onwuegbuchu PN, Ugbogu EA, Ibe C. Phytochemical composition, bioactive properties, and toxicological profile of Tetrapleura tetraptera. Bioorg Chem 2023; 131:106288. [PMID: 36470194 DOI: 10.1016/j.bioorg.2022.106288] [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: 08/15/2022] [Revised: 11/16/2022] [Accepted: 11/19/2022] [Indexed: 11/27/2022]
Abstract
The use of medicinal plants has gained renewed wide popularity in Africa, Asia, and most parts of the world because of the decreasing efficacy of synthetic drugs. Thus, natural products serve as a potent source of alternative remedy. Tetrapleura tetraptera is a medicinal plant with cultural and traditional significance in West Africa. In addition to the plant being commonly used as a spice in the preparation of traditional spicy food for postpartum care it is also widely used to constitute herbal concoctions and decoctions for treatment of diseases. This review aimed to provide an up-to-date information on the ethnomedicinal uses, pharmacological activities and phytoconstituents of T. tetraptera. Preclinical studies regarding the plant's toxicity profile were also reviewed. For this updated review, literature search was done on PubMed, Science Direct, Wiley, and Google Scholar databases using the relevant keywords. The review used a total of 106 papers that met the inclusion criteria from January 1989 - February 2022 and summarised the bioactivities that have been reported for the rich phytoconstituents of T. tetraptera studied using various chemical methods. Considering the huge report, the review focused on the antimicrobial and antiinflammatory activities of the plant extracts and isolated compounds. Aridan, aridanin and several bioactive compounds of T. tetraptera have shown pharmacological activities though their mechanisms of action are yet to be fully understood. This study also highlighted the influence of plant parts and extraction solvents on its biological activities. It also presented data on the toxicological profile of the plant extracts using different models. From cultural uses to modern pharmacological research the bioactive compounds of T. tetraptera have proved effective in infectious disease management. We hope that this paper provided a robust summary of the biological activities and toxicological profile of T. tetraptera, thus calling for more research into the pharmacological and pharmacokinetic activities of natural products to help combat the growing threat of drug resistance and provide guidelines for their ethnomedicinal uses.
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Affiliation(s)
- ThankGod Anyamele
- Department of Microbiology, Faculty of Biological Sciences, Abia State University, Uturu, Nigeria
| | | | - Eziuche Amadike Ugbogu
- Department of Biochemistry, Faculty of Biological Sciences, Abia State University, Uturu, Nigeria
| | - Chibuike Ibe
- Department of Microbiology, Faculty of Biological Sciences, Abia State University, Uturu, Nigeria.
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3
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A Comprehensive Study of Therapeutic Applications of Chamomile. Pharmaceuticals (Basel) 2022; 15:ph15101284. [PMID: 36297396 PMCID: PMC9611340 DOI: 10.3390/ph15101284] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/05/2022] [Accepted: 10/07/2022] [Indexed: 11/16/2022] Open
Abstract
Chamomile has a long history of traditional medicinal uses. The two commonly used varieties with therapeutic applications are German chamomile known as Matricaria chamomilla L. and Roman chamomile or Chamaemelum nobile L. The plant contains many components, namely, flavonoids, terpenoids, and coumarins, which are responsible for its medicinal properties. The review discusses recent developments that help in establishing its role as a therapeutic agent in various areas as an anti-inflammatory, antioxidant, analgesic, antimicrobial, hepatoprotective, anti-allergic, anticancer, and anti-hypertensive agent. Not much is known about its role in the treatment of CNS disorders and metabolic syndromes, which are also discussed. The chemical components responsible for the therapeutic activity and the respective mechanism of action are also elaborated.
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Martín-Escolano R, Pérez-Cordón G, Arán VJ, Marín C, Sánchez-Moreno M, Rosales MJ. 5-Nitroindazole derivatives as potential therapeutic alternatives against Acanthamoeba castellanii. Acta Trop 2022; 232:106538. [PMID: 35618027 DOI: 10.1016/j.actatropica.2022.106538] [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: 03/16/2022] [Revised: 05/20/2022] [Accepted: 05/22/2022] [Indexed: 11/29/2022]
Abstract
Amoebas of the genus Acanthamoeba are distributed worldwide, including species with a high pathogenic capacity for humans. In a similar way to what occurs with other parasitic protozoa, the available treatments show variable effectiveness in addition to high toxicity, which demands the development of new treatments. Positive results of 5-nitroindazole derivatives against several protozoa parasites suggest that these compounds may be a promising tool for the development of efficient antiparasitic drugs. In the present work we have evaluated the in vitro activity of ten 5-nitroindazole derivatives against Acanthamoeba castellanii trophozoites and cysts. To that end, AlamarBlue Assay Reagent® was used to determine the activity against trophozoites compared to the reference drug chlorhexidine digluconate. Cytotoxicity of the compounds was evaluated using Vero cells. The activity on cysts was evaluated by light microscopy and using a Neubauer chamber to quantifying cysts and presence of trophozoites, as an indication of cyst. Our results showed the effectiveness of the 5-nitroindazole derivatives tested against both trophozoites and cysts of A. castellani highlighting 5-nitroindazole derivative 8 which showed a 80% activity on cysts, which is higher than that of the reference drug. Moreover, 5-nitroindazole derivatives 8, 9 and 10 were more effective on trophozoites than the reference drug showing IC50 values lower than 5 µM. Taking together these results, these 5-nitroindazole derivatives specially compound 8, might be a promising alternative for the development of more efficient treatments against A. castellani infection.
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Affiliation(s)
- Rubén Martín-Escolano
- Laboratory of Molecular & Evolutionary Parasitology, RAPID group, School of Biosciences, University of Kent, Canterbury, CT27NJ, UK.
| | - Gregorio Pérez-Cordón
- Department of Parasitology, University of Granada, Severo Ochoa s/n, E-18071, Granada, Spain
| | - Vicente J Arán
- Instituto de Química Médica (IQM), Consejo Superior de Investigaciones Científicas (CSIC), Calle Juan de la Cierva 3, 28006 Madrid, Spain
| | - Clotilde Marín
- Department of Parasitology, University of Granada, Severo Ochoa s/n, E-18071, Granada, Spain
| | - Manuel Sánchez-Moreno
- Department of Parasitology, University of Granada, Severo Ochoa s/n, E-18071, Granada, Spain
| | - María José Rosales
- Department of Parasitology, University of Granada, Severo Ochoa s/n, E-18071, Granada, Spain.
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5
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Ramazani E, Akaberi M, Emami SA, Tayarani-Najaran Z. Pharmacological and biological effects of alpha-bisabolol: An updated review of the molecular mechanisms. Life Sci 2022; 304:120728. [PMID: 35753438 DOI: 10.1016/j.lfs.2022.120728] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 06/14/2022] [Accepted: 06/18/2022] [Indexed: 12/30/2022]
Abstract
Alpha-bisabolol (α-bisabolol), an unsaturated monocyclic sesquiterpene alcohol, is known as one of the "most-used herbal constituents" in the world. Various therapeutic and biological properties of α-bisabolol in preventing oxidative stress, inflammatory disorders, infections, neurodegenerative diseases, cancers, and metabolic disorders have been reported. In this review, we evaluated new findings regarding the molecular mechanisms of α-bisabolol published from 2010 until 2021 in PubMed, Science Direct, and Scopus. The antioxidant mechanism of α-bisabolol is mainly associated with the reduction of ROS/RNS, MDA, and GSH depletion, MPO activity, and augmentation of SOD and CAT. Additionally, upregulating the expression of bcl-2 and suppression of bax, P53, APAF-1, caspase-3, and caspase-9 activity indicates the anti-apoptotic effects of α- bisabolol. It possesses anti-inflammatory effects via reduction of TNF-α, IL-1β, IL-6, iNOS, and COX-2 and suppresses the activation of ERK1/2, JNK, NF-κB, and p38. The antimicrobial effect is mediated by inhibiting the viability of infected cells and improves cognitive function via downregulation of bax, cleaved caspases-3 and 9 levels, β-secretase, cholinesterase activities, and upregulation of bcl-2 levels. Finally, due to multiple biological activities, α-bisabolol is worthy to be subjected to clinical trials to achieve new insights into its beneficial effects on human health.
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Affiliation(s)
- Elham Ramazani
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Maryam Akaberi
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Ahmad Emami
- Department of Traditional Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zahra Tayarani-Najaran
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
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6
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Siddiqui R, Makhlouf Z, Akbar N, Khamis M, Ibrahim T, Khan AS, Khan NA. Antiamoebic properties of salicylic acid-based deep eutectic solvents for the development of contact lens disinfecting solutions against Acanthamoeba. Mol Biochem Parasitol 2022; 250:111493. [PMID: 35753525 DOI: 10.1016/j.molbiopara.2022.111493] [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: 05/01/2022] [Revised: 05/30/2022] [Accepted: 06/20/2022] [Indexed: 10/17/2022]
Abstract
Acanthamoeba castellanii is a protist pathogen that can cause sight-threatening keratitis and a fatal infection of the central nervous system, known as granulomatous amoebic encephalitis. In this study, effects of five malonic acid and salicylic acid-based deep eutectic solvents (DES) on A. castellanii were investigated. These are salicylic acid-trioctylphosphine (DES 1), salicylic acid- trihexylamine (DES 2), salicylic acid-trioctylamine (DES 3), malonic acid-trioctylphosphine (DES 4) and malonic acid-trihexylamine (DES 5). The experiments were done by performing amoebicidal, encystment, excystment, cytopathogenicity, and cytotoxicity assays. At micromolar dosage, the solvents DES 2 and DES 3 displayed significant amoebicidal effects (P<0.05), inhibited encystment and excystment, undermined the cell-mediated cytopathogenicity of A. castellanii, and also displayed minimal cytotoxicity to human cells. Conversely, the chemical components of these solvents: salicylic acid, trihexylamine, and trioctylamine showed minimal effects when tested individually. These results are very promising and to the best of our knowledge, are reported for the first time on the effects of deep eutectic solvents on amoebae. These results can be applied in the development of new formulations of novel contact lens disinfectants against Acanthamoeba castellanii.
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Affiliation(s)
- Ruqaiyyah Siddiqui
- College of Arts and Sciences, American University of Sharjah, University City, Sharjah 26666, United Arab Emirates
| | - Zinb Makhlouf
- College of Arts and Sciences, American University of Sharjah, University City, Sharjah 26666, United Arab Emirates
| | - Noor Akbar
- College of Arts and Sciences, American University of Sharjah, University City, Sharjah 26666, United Arab Emirates
| | - Mustafa Khamis
- College of Arts and Sciences, American University of Sharjah, University City, Sharjah 26666, United Arab Emirates
| | - Taleb Ibrahim
- Department of Chemical Engineering, College of Engineering, American University of Sharjah, P.O. Box 26666, Sharjah, United Arab Emirates
| | - Amir Sada Khan
- Department of Chemical Engineering, College of Engineering, American University of Sharjah, P.O. Box 26666, Sharjah, United Arab Emirates
| | - Naveed Ahmed Khan
- Department of Clinical Sciences, College of Medicine, University of Sharjah, University, City, Sharjah, 27272, United Arab Emirates.
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Comparative Analysis of Phenolic Composition of Six Commercially Available Chamomile ( Matricaria chamomilla L.) Extracts: Potential Biological Implications. Int J Mol Sci 2021; 22:ijms221910601. [PMID: 34638940 PMCID: PMC8508714 DOI: 10.3390/ijms221910601] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/27/2021] [Accepted: 09/29/2021] [Indexed: 12/29/2022] Open
Abstract
Several phytochemical-containing herbal extracts are increasingly marketed as health-promoting products. In particular, chamomile (Matricaria recutita L.) is well known for its anti-inflammatory, analgesic, and antitumor properties. Here, we evaluated differences in chemical composition among six commercially available products and their potential impact on biological activity in human immortalized colonocytes. Our investigation encompassed: (i) preparation of dry extracts and yield evaluation; (ii) qualitative and quantitative analysis of phenol content; (iii) modulation of redox state; and (iv) bioavailability of main bioactive compounds. We demonstrated that apparently identical products showed huge heterogeneity, in terms of yield extraction, chemical composition, and antioxidant effects. All samples contained high amounts of flavonoids and cinnamic acid derivatives, but differentially concentrated in the six extracts. Depending on polyphenol content, chamomile samples possessed variable antioxidant potential, in terms of decreased radical generation and increased reduced glutathione levels. The observed effects might be ascribed to flavones (apigenin, luteolin, and their glycones) highly represented in the six extracts. Nonetheless, chamomile extracts exerted cytotoxic effects at high concentrations, suggesting that a herbal medicine is not always safe. In conclusion, due to the complexity and variability of plant matrices, studies evaluating effectiveness of chamomile should always be accompanied by preliminary characterization of phytochemical composition.
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8
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Martín-Escolano R, Molero Romero S, Díaz JG, Marín C, Sánchez-Moreno M, Rosales MJ. In vitro anti- Acanthamoeba activity of flavonoid glycosides isolated from Delphinium gracile, D. staphisagria, Consolida oliveriana and Aconitum napellus. Parasitology 2021; 148:1392-1400. [PMID: 34162452 PMCID: PMC11010224 DOI: 10.1017/s0031182021001025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/13/2021] [Accepted: 06/14/2021] [Indexed: 11/07/2022]
Abstract
Acanthamoeba spp. are widely distributed in the environment and cause serious infections in humans. Treatment of Acanthamoeba infections is very challenging and not always effective which requires the development of more efficient drugs against Acanthamoeba spp. The purpose of the present study was to test medicinal plants that may be useful in the treatment of Acanthamoeba spp. Here we evaluated the trophozoital and cysticidal activity of 13 flavonoid glycosides isolated from Delphinium gracile, D. staphisagria, Consolida oliveriana and from Aconitum napellus subsp. Lusitanicum against the amoeba Acanthamoeba castellanii. AlamarBlue Assay Reagent® was used to determine the activity against trophozoites of A. castellanii, and cytotoxic using Vero cells. Cysticidal activity was assessed on treated cysts by light microscopy using a Neubauer chamber to quantify cysts and trophozoites. Flavonoids 1, 2, 3 and 4 showed higher trophozoital activity and selectivity indexes than the reference drug chlorhexidine digluconate. In addition, flavonoid 2 showed 100% cysticidal activity at a concentration of 50 μm, lower than those of the reference drug and flavonoid 3 (100 μm). These results suggest that flavonoids 2 and 3 might be used for the development of novel therapeutic approaches against Acanthamoeba infections after satisfactory in vivo evaluations.
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Affiliation(s)
- Rubén Martín-Escolano
- Laboratory of Molecular & Evolutionary Parasitology, RAPID group, School of Biosciences, University of Kent, Canterbury, CT2 7NJ, UK
| | - Sonia Molero Romero
- Departamento de Parasitología, Instituto de Investigacion Biosanitaria Ibs, University of Granada, Severo Ochoa s/n, E-18071, Granada, Spain
| | - Jesus G. Díaz
- Departamento de Química Orgánica, Instituto de Bio-Orgánica ‘Antonio González’, Universidad de La Laguna, Ctra. a la Esperanza 2, 38206-La Laguna, Tenerife, Spain
| | - Clotilde Marín
- Departamento de Parasitología, Instituto de Investigacion Biosanitaria Ibs, University of Granada, Severo Ochoa s/n, E-18071, Granada, Spain
| | - Manuel Sánchez-Moreno
- Departamento de Parasitología, Instituto de Investigacion Biosanitaria Ibs, University of Granada, Severo Ochoa s/n, E-18071, Granada, Spain
| | - Mª José Rosales
- Departamento de Parasitología, Instituto de Investigacion Biosanitaria Ibs, University of Granada, Severo Ochoa s/n, E-18071, Granada, Spain
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Park SH, Kim DS, Oh J, Geum JH, Kim JE, Choi SY, Kim JH, Cho JY. Matricaria chamomilla (Chamomile) Ameliorates Muscle Atrophy in Mice by Targeting Protein Catalytic Pathways, Myogenesis, and Mitochondrial Dysfunction. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2021; 49:1493-1514. [PMID: 34247561 DOI: 10.1142/s0192415x21500701] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Muscle atrophy, or loss of skeletal muscle, is caused by aging, malnutrition, immobility through injury, or diseases such as cancer. Chamomile (Matricaria chamomilla L.) contains various active components, including flavonoids, sesquiterpenes, polyacetylenes, and coumarins, and is used in various herbal medicines in the European Pharmacopoeia. In this study, we investigated the effects of ethanol extract of chamomile [Formula: see text](MC) on muscle wasting and its mechanism of action. Mice with dexamethasone (DEX)-induced muscle atrophy were orally administered MC (100, 200, and 300 mg/kg) for 4 weeks. Micro-computed tomography analysis showed that MC (200 and 300 mg/kg) significantly recovered DEX-induced loss of muscle volume, density, and weight and MC-treated DEX-induced mice also showed increased moving distance and grip strength. MC suppressed the mRNA level of muscle RING finger 1 (MuRF1) while increasing the expression of mitochondrial transcription factor A (TFAM), MyoD, and Myogenin-1. We found 25 peaks in MC samples through HPLC analysis and identified 6 peaks by comparison with a profile of standard compounds: chlorogenic acid (CGA), luteolin-7-O-glucoside (L7G), patulitrin, apigenin-7-O-glucoside (A7G), herniarin, and (E)-tonghaosu. Of these components, the gene expression of MyoD was significantly augmented by patulitrin, herniarin, CGA, and L7G in C2C12 cells, while Myogenin-1 gene expression was increased by A7G, patulitrin, herniarin, CGA, and L7G. Moreover, TFAM gene expression and phosphorylation of AKT were increased by all six ingredients. Based on our results, we suggest MC for use as a supplement or remedy for muscle wasting, including cachexia and sarcopenia.
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Affiliation(s)
- Sang Hee Park
- Department of Biocosmetics, Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Dong Seon Kim
- Department of Integrative Biotechnology and Biomedical, Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jieun Oh
- Department of Integrative Biotechnology and Biomedical, Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | | | - Jung-Eun Kim
- Coxmax NBT, Inc., Seongnam 13486, Republic of Korea
| | | | - Ji Hye Kim
- Department of Integrative Biotechnology and Biomedical, Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jae Youl Cho
- Department of Biocosmetics, Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea.,Department of Integrative Biotechnology and Biomedical, Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
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Mennai I, Lamera E, Slougui N, Benaicha B, Gasmi S, Samai Z, Rahmounia N, Bensouici C, C G A Pinto D. Chemical Composition and Antioxidant, Antiparasitic, Cytotoxicity and Antimicrobial Potential of the Algerian Limonium Oleifolium Mill. Essential Oil and Organic Extracts. Chem Biodivers 2021; 18:e2100278. [PMID: 34227240 DOI: 10.1002/cbdv.202100278] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 07/05/2021] [Indexed: 12/18/2022]
Abstract
This work aimed to investigate, for the first time, the chemical composition, antioxidant, antiparasitic, cytotoxicity, and antimicrobial activities of the aromatic plant Limonium oleifolium Mill. essential oil (EO) and organic extracts. L. oleifolium aerial parts essential oil was analyzed by GC-FID and GC-MS, and 46 constituents representing 98.25±1.12 % of the oil were identified. γ-Muurolene (10.81±0.07 %), cis-caryophyllene (7.71±0.06 %), o-cymene (7.07±0.01 %) and α-copaene (5.02±0.05 %) were the essential oil main compounds. The antioxidant activity of L. oleifolium EO and organic extracts (MeOH, CHCl3 , AcOEt, BuOH) was explored using 2,2-diphenyl-1-picrylhydrazyl (DPPH), ABTS, β-carotene/linoleic acid, cupric reducing antioxidant capacity (CUPRAC), and ferric reducing power assays. The results showed that L. oleifolium EO exhibit antioxidant capacity (IC50 =17.40±1.32 μg/mL for DPPH assay, IC50 =29.82±1.08 μg/mL for β-carotene assay, IC50 =25.23±1.01 μg/mL for ABTS assay, IC50 =9.11±0.08 μg/mL for CUPRAC assay and IC50 =19.41±2.06 mg/mL for reducing power assay). Additionally, the EO showed significant activity against trophozoite form of Acanthamoeba castellanii (IC50 =7.48±0.41 μg/mL) and promastigote form of Leishmania amazonensis (IC50 =19.36±1.06 μg/mL) and low cytotoxicity on murine macrophages (LC50 90.23±1.09 μg/mL), as well as good antimicrobial activity against Staphylococcus aureus, Escherichia coli, Klebsiella oxytoca, and Pseudomonas aeruginosa. These results suggest that L. oleifolium essential oil is a valuable source of bioactive compounds presenting antioxidant, antiparasitic, and antimicrobial activities. Furthermore, it is considered nontoxic.
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Affiliation(s)
- Imad Mennai
- Research Unit: Valorisation des Ressources Naturelles, Molécules Bioactives et Analyses Physicochimiques et Biologiques, Brothers Mentouri University Constantine 1, Route of Aïn El Bey, Constantine, 25017, Algeria.,Chemistry Department, Faculty of Exact Sciences, Brothers Mentouri University Constantine 1, 25000, Constantine, Algeria
| | - Esma Lamera
- Chemistry Department, Faculty of Exact Sciences, Brothers Mentouri University Constantine 1, Constantine, 25000, Algeria
| | - Nabila Slougui
- Laboratory of Process Engineering for Sustainable Development and Health Products, National Polytechnic School of Constantine, ville universitaire Ali Mendjli, Constantine, 25016, Algeria
| | - Brahim Benaicha
- Laboratory of Bioactive Molecules and Applications, Faculty of Exact Sciences and Nature and Life Sciences, Larbi Tebessi University, Tebessa, 12002, Algeria
| | - Salim Gasmi
- Laboratory of Bioactive Molecules and Applications, Faculty of Exact Sciences and Nature and Life Sciences, Larbi Tebessi University, Tebessa, 12002, Algeria
| | - Zakaria Samai
- Research Unit: Therapeutic Potential of Natural Products, University of Badji Mokhtar Annaba, Algeria
| | - Naima Rahmounia
- Faculty of Nature and Life Sciences, University of Batna 2, 53 rd street. Fesdis, Batna, 05078, Algérie
| | - Chawki Bensouici
- National Center For Biotechnology Research, Ali Mendjli, Nouvelle Ville UV 03, BP E73, Constantine, Algeria
| | - Diana C G A Pinto
- Campus de Santiago, LAQV-REQUIMTE & Department of Chemistry, University of Aveiro, Aveiro, 3810-193, Portugal
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11
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In vitro amoebicidal effect of Aloe vera ethanol extract and honey against Acanthamoeba spp. cysts. J Parasit Dis 2021; 45:159-168. [PMID: 33746401 DOI: 10.1007/s12639-020-01292-8] [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: 08/25/2020] [Accepted: 10/10/2020] [Indexed: 10/23/2022] Open
Abstract
This study evaluated in vitro effect of different concentrations of Aloe vera (A. vera) ethanol extract and honey against Acanthamoeba spp. cysts in comparison with chlorhexidine (the drug of choice for treatment of Acanthamoeba infection) at different incubation periods. Four different concentrations of the tested agents were used, 100, 200, 400, and 600 μg/ml for A. vera ethanol extract and 25, 50, 100, and 200 μg/ml for honey. Isolated Acanthamoeba spp. cysts from keratitis patients were incubated with different concentrations of the tested agents as well as chlorhexidine 0.02% (drug control) for different incubation periods (24, 48, 72 h). After each incubation period, the effect of A. vera extract and honey against Acanthamoeba cysts was assessed by counting the number of viable cysts, determining the inhibitory percentage and detecting the morphological alternations of treated cysts compared to non-treated and drug controls. Both A. vera ethanol extract and honey showed a concentration and time-dependent effect on the viability of Acanthamoeba cysts. In comparison with chlorhexidine (the drug control), A. vera ethanol extract possessed a potent cysticidal activity at all tested concentrations throughout different incubation periods, except for concentration 100 μg/ml which recorded the lower inhibitory effect. With increasing the dose of A. vera ethanol extract to 200, 400, 600 µg/ml, the recorded inhibitory percentages of Acanthamoeba cysts viability were 82.3%, 92.9% and 97.9% respectively, after 72 h compared to 76.3% of chlorhexidine. Similarly, honey at concentrations of 50-100 µg/ml gave higher inhibitory effect of 59% and 76.7%, respectively compared to chlorhexidine which showed an inhibitory percentage of 55.7% after 24 h. Meanwhile, the lowest tested concentration of honey (25 µg/ml) gave an inhibitory effect by 47.7-67% which was less than that of chlorhexidine throughout different incubation periods. With increasing the dose of honey to 200 µg/ml, the inhibitory effect was 98.9% after 72 h higher than that of chlorhexidine (76.9%). Using a scanning electron microscope, Acanthamoeba cysts treated by A. vera ethanol extract showed alternations in their shapes with flattening, collapsing, and laceration of their walls. Also, treated cysts by honey were highly distorted and difficult to identify because most of them were shrinkage and collapsed to a tiny size. On the other hand, chlorhexidine showed less structural and morphological changes of Acanthamoeba cysts. A. vera ethanol extract and honey had considerable cysticidal effects on Acanthamoeba cysts. They may give promising results for treatment of Acanthamoeba keratitis.
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Sifaoui I, Rodríguez-Talavera I, Reyes-Batlle M, Rodríguez-Expósito RL, Rocha-Cabrera P, Piñero JE, Lorenzo-Morales J. In vitro evaluation of commercial foam Belcils® on Acanthamoeba spp. Int J Parasitol Drugs Drug Resist 2020; 14:136-143. [PMID: 33099237 PMCID: PMC7578530 DOI: 10.1016/j.ijpddr.2020.10.002] [Citation(s) in RCA: 2] [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: 09/11/2020] [Revised: 10/08/2020] [Accepted: 10/09/2020] [Indexed: 12/02/2022]
Abstract
Interest in periocular (eyelid and eyelashes margins) hygiene has attracted attention recently and a growing number of commercials eye cleanser and shampoos have been marketed. In the present study, a particular eye cleanser foam, Belcils® has been tested against trophozoites and cysts on the facultative pathogen Acanthamoeba. Viability was tested by the alamarBlue™ method and the foam was tested for the induction of programmed cell death in order to explore its mode of action. We found that a 1% solution of the foam eliminated both trophozoite and cyst stage of Acanthamoeba spp. After 90 min of incubation, Belcils® induced, DNA condensation, collapse in the mitochondrial membrane potential and reduction of the ATP level production in Acanthamoeba. We conclude that the foam destroys the cells by the induction of an apoptosis-like process. The current eye cleanser could be used as part of AK therapy protocol and as prevention from AK infections for contact lens users and post-ocular trauma patients.
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Affiliation(s)
- Ines Sifaoui
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna (ULL), Tenerife, 38206, Spain; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad De La Laguna, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Red de Investigación Cooperativa en Enfermedades Tropicales (RICET), Spain.
| | - Iván Rodríguez-Talavera
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna (ULL), Tenerife, 38206, Spain; Área de Oftalmología, Hospital Universitario de Canarias, Tenerife, Spain
| | - María Reyes-Batlle
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna (ULL), Tenerife, 38206, Spain; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad De La Laguna, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Red de Investigación Cooperativa en Enfermedades Tropicales (RICET), Spain
| | - Rubén L Rodríguez-Expósito
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna (ULL), Tenerife, 38206, Spain; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad De La Laguna, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Red de Investigación Cooperativa en Enfermedades Tropicales (RICET), Spain
| | - Pedro Rocha-Cabrera
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna (ULL), Tenerife, 38206, Spain; Área de Oftalmología, Hospital Universitario de Canarias, Tenerife, Spain
| | - José E Piñero
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna (ULL), Tenerife, 38206, Spain; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad De La Laguna, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Red de Investigación Cooperativa en Enfermedades Tropicales (RICET), Spain
| | - Jacob Lorenzo-Morales
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna (ULL), Tenerife, 38206, Spain; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad De La Laguna, La Laguna, Tenerife, 38203, Islas Canarias, Spain; Red de Investigación Cooperativa en Enfermedades Tropicales (RICET), Spain
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Walvekar S, Anwar A, Anwar A, Sridewi N, Khalid M, Yow YY, Khan NA. Anti-amoebic potential of azole scaffolds and nanoparticles against pathogenic Acanthamoeba. Acta Trop 2020; 211:105618. [PMID: 32628912 DOI: 10.1016/j.actatropica.2020.105618] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 07/02/2020] [Accepted: 07/02/2020] [Indexed: 12/20/2022]
Abstract
Acanthamoeba spp. are free living amoeba (FLA) which are widely distributed in nature. They are opportunistic parasites and can cause severe infections to the eye, skin and central nervous system. The advances in drug discovery and modifications in the chemotherapeutic agents have shown little improvement in morbidity and mortality rates associated with Acanthamoeba infections. The mechanism-based process of drug discovery depends on the molecular drug targets present in the signaling pathways in the genome. Synthetic libraries provide a platform for broad spectrum of activities due to their desired structural modifications. Azoles, originally a class of synthetic anti-fungal drugs, disrupt the fungal cell membrane by inhibiting the biosynthesis of ergosterol through the inhibition of cytochrome P450 dependent 14α-lanosterol, a key step of the sterol pathway. Acanthamoeba and fungi share the presence of similar sterol intermediate, as ergosterol is also the major end-product in the sterol biosynthesis in Acanthamoeba. Sterols present in the eukaryotic cell membrane are one of the most essential lipids and exhibit important structural and signaling functions. Therefore, in this review we highlight the importance of specific targeting of ergosterol present in Acanthamoebic membrane by azole compounds for amoebicidal activity. Previously, azoles have also been repurposed to report antimicrobial, antiparasitic and antibacterial properties. Moreover, by loading the azoles into nanoparticles through advanced techniques in nanotechnology, such as physical encapsulation, adsorption, or chemical conjugation, the pharmacokinetics and therapeutic index of the drugs can be significantly improved. The current review proposes an important strategy to target Acanthamoeba using synthetic libraries of azoles and their conjugated nanoparticles for the first time.
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Sánchez M, González-Burgos E, Gómez-Serranillos MP. The pharmacology and clinical efficacy of matricaria recutita L.: a systematic review of in vitro, in vivo studies and clinical trials. FOOD REVIEWS INTERNATIONAL 2020. [DOI: 10.1080/87559129.2020.1834577] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Marta Sánchez
- Department of Pharmacology, Pharmacognosy and Botany, Faculty of Pharmacy, Universidad Complutense De Madrid (UCM), Madrid, Spain
| | - Elena González-Burgos
- Department of Pharmacology, Pharmacognosy and Botany, Faculty of Pharmacy, Universidad Complutense De Madrid (UCM), Madrid, Spain
| | - M. Pilar Gómez-Serranillos
- Department of Pharmacology, Pharmacognosy and Botany, Faculty of Pharmacy, Universidad Complutense De Madrid (UCM), Madrid, Spain
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Sharma G, Kalra SK, Tejan N, Ghoshal U. Nanoparticles based therapeutic efficacy against Acanthamoeba: Updates and future prospect. Exp Parasitol 2020; 218:108008. [PMID: 32979343 DOI: 10.1016/j.exppara.2020.108008] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/17/2020] [Accepted: 09/23/2020] [Indexed: 12/15/2022]
Abstract
Acanthamoeba sp. is a free living amoeba that causes severe, painful and fatal infections, viz. Acanthamoeba keratitis and granulomatous amoebic encephalitis among humans. Antimicrobial chemotherapy used against Acanthamoeba is toxic to human cells and show side effects as well. Infections due to Acanthamoeba also pose challenges towards currently used antimicrobial treatment including resistance and transformation of trophozoites to resistant cyst forms that can lead to recurrence of infection. Therapeutic agents targeting central nervous system infections caused by Acanthamoeba should be able to cross blood-brain barrier. Nanoparticles based drug delivery put forth an effective therapeutic method to overcome the limitations of currently used antimicrobial chemotherapy. In recent years, various researchers investigated the effectiveness of nanoparticles conjugated drug and/or naturally occurring plant compounds against both trophozoites and cyst form of Acanthamoeba. In the current review, a reasonable effort has been made to provide a comprehensive overview of various nanoparticles tested for their efficacy against Acanthamoeba. This review summarizes the noteworthy details of research performed to elucidate the effect of nanoparticles conjugated drugs against Acanthamoeba.
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Affiliation(s)
- Geetansh Sharma
- Faculty of Applied Sciences & Biotechnology, Shoolini University of Biotechnology & Management Sciences, Bajhol, District Solan, H.P, 173229, India
| | - Sonali K Kalra
- Faculty of Applied Sciences & Biotechnology, Shoolini University of Biotechnology & Management Sciences, Bajhol, District Solan, H.P, 173229, India.
| | - Nidhi Tejan
- Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Raebareili Road, Lucknow, U.P, 226014, India
| | - Ujjala Ghoshal
- Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Raebareili Road, Lucknow, U.P, 226014, India
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Anwar A, Khan NA, Siddiqui R. Repurposing of Drugs Is a Viable Approach to Develop Therapeutic Strategies against Central Nervous System Related Pathogenic Amoebae. ACS Chem Neurosci 2020; 11:2378-2384. [PMID: 32073257 DOI: 10.1021/acschemneuro.9b00613] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Brain-eating amoebae including Acanthamoeba spp., Naegleria fowleri, and Balamuthia mandrillaris cause rare infections of the central nervous system that almost always result in death. The high mortality rate, lack of interest for drug development from pharmaceutical industries, and no available effective drugs present an alarming challenge. The current drugs employed in the management and therapy of these devastating diseases are amphotericin B, miltefosine, chlorhexidine, pentamidine, and voriconazole which are generally used in combination. However, clinical evidence shows that these drugs have limited efficacy and high host cell cytotoxicity. Repurposing of drugs is a practical approach to utilize commercially available, U.S. Food and Drug Administration approved drugs for one disease against rare diseases caused by brain-eating amoebae. In this Perspective, we highlight some of the success stories of drugs repositioned against neglected parasitic diseases and identify future potential for effective and sustainable drug development against brain-eating amoebae infections.
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Affiliation(s)
- Ayaz Anwar
- Department of Biological Sciences, School of Science and Technology, Sunway University, Subang Jaya 47500, Selangor, Malaysia
| | - Naveed Ahmed Khan
- Department of Biology, Chemistry and Environmental Sciences, College of Arts and Sciences, American University of Sharjah, Sharjah 26666, United Arab Emirates
| | - Ruqaiyyah Siddiqui
- Department of Biology, Chemistry and Environmental Sciences, College of Arts and Sciences, American University of Sharjah, Sharjah 26666, United Arab Emirates
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Egbuta MA, McIntosh S, Waters DLE, Vancov T, Liu L. Chemical volatiles present in cotton gin trash: A by-product of cotton processing. PLoS One 2019; 14:e0222146. [PMID: 31532804 PMCID: PMC6750886 DOI: 10.1371/journal.pone.0222146] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 08/22/2019] [Indexed: 11/21/2022] Open
Abstract
Cotton gin trash (CGT), a waste product of cotton gins, make up about 10% of each bale of cotton bolls ginned. The current study investigates high value volatile compounds in CGT to add value to this by-product. The volatile compounds in CGT and different parts of the cotton plant were extracted using various methods, identified by gas chromatography-mass spectrometry (GC-MS) or nuclear magnetic resonance (NMR) spectroscopy, and then quantified by gas chromatography-flame ionisation detection (GC-FID) against available standards. Terpenoids including monoterpenoids and sesquiterpenoids were found to be the most abundant, making up 64.66% (area under peak) of total volatiles extracted by hydro-distillation. The major extractable terpenoids in CGT were α-pinene (13.69-23.05 μg/g), β-caryophyllene (3.99-74.32 μg/g), α-humulene (2.00-25.71 μg/g), caryophyllene oxide (41.50-102.08 μg/g) and β-bisabolol (40.05-137.32 μg/g). Recoveries varied between different extraction methods. The terpenoids were found to be more abundant in the calyx (659.12 μg/g) and leaves (627.72 μg/g) than in stalks (112.97 μg/g) and stems (24.24 μg/g) of the cotton plant, indicating the possible biological origin of CGT volatiles. This study is the first to identify and quantify the different terpenoids present in CGT and significantly, β-bisabolol, an abundant compound (sesquiterpene alcohol) which may have valuable biological prospects. These findings therefore contribute to identifying alternative management strategies and uses of CGT.
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Affiliation(s)
- Mary A. Egbuta
- Southern Cross Plant Science, Southern Cross University, Lismore, New South Wales, Australia
| | - Shane McIntosh
- Southern Cross Plant Science, Southern Cross University, Lismore, New South Wales, Australia
- New South Wales Department of Primary Industries, Wollongbar, New South Wales, Australia
| | - Daniel L. E. Waters
- Southern Cross Plant Science, Southern Cross University, Lismore, New South Wales, Australia
- ARC ITTC for Functional Grains, Charles Sturt University, Wagga, Wagga, New South Wales, Australia
| | - Tony Vancov
- Southern Cross Plant Science, Southern Cross University, Lismore, New South Wales, Australia
- New South Wales Department of Primary Industries, Wollongbar, New South Wales, Australia
| | - Lei Liu
- Southern Cross Plant Science, Southern Cross University, Lismore, New South Wales, Australia
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Reyes-Batlle M, Mura-Escorche G, Sifaoui I, Otero-Ruiz A, Alfaro-Sifuentes R, López-Arencibia A, Rocha-Cabrera P, Chiboub O, Rizo-Liendo A, Zamora-Herrera J, Bethencourt-Estrella CJ, Rodríguez-Expósito RL, Nicolás-Hernández DS, Piñero JE, Lorenzo-Morales J. In Vitro Evaluation of Combined Commercialized Ophthalmic Solutions Against Acanthamoeba Strains. Pathogens 2019; 8:pathogens8030109. [PMID: 31349717 PMCID: PMC6789763 DOI: 10.3390/pathogens8030109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 07/22/2019] [Accepted: 07/24/2019] [Indexed: 12/03/2022] Open
Abstract
Acanthamoeba is a free-living amoebae genus which is present worldwide in natural and artificial environments. These amoebae are clinically important as causative agents of diseases in humans and other animals such as a fatal encephalitis or a sight threatening Acanthamoeba keratitis (AK). Lately; studies have focused on the search of novel therapeutic options for AK but also to prevent infections. Furthermore; the evaluation of commercialized products seems to be an option for this case since not clinical assays would be required. Thus; we aimed to test the amoebicidal activity of different mixtures of two commercial ophthalmic solutions: Systane® Ultra; which has already shown anti-Acanthamoeba properties; and Naviblef® Daily Care. In addition, we tested their cytotoxic effect against murine macrophages. At the individual level; Naviblef® Daily Care showed to be the most active product against Acanthamoeba spp. Nevertheless; the combinations of Systane® Ultra and Naviblef® Daily Care; showed an improvement in the activity against trophozoites and cysts of Acanthamoeba castellanii Neff. Moreover; the concentration necessary to generate cytotoxic effect against murine macrophages (J774.1) was much higher than the required for the amoebicidal and cysticidal effect achieved in the most effective mixtures.
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Affiliation(s)
- María Reyes-Batlle
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
| | - Glorian Mura-Escorche
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
| | - Ines Sifaoui
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
| | - Alejandro Otero-Ruiz
- Departamento de Ciencias Agronómicas y Veterinarias, Instituto Tecnológico de Sonora, Cd. Obregón, Sonora, Mexico
| | - Rosalía Alfaro-Sifuentes
- Departamento de Ciencias Agronómicas y Veterinarias, Instituto Tecnológico de Sonora, Cd. Obregón, Sonora, Mexico
| | - Atteneri López-Arencibia
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
| | - Pedro Rocha-Cabrera
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
- Departmento de Oftalmología, Hospital Universitario de Canarias, Tenerife, Canary Islands, Spain
| | - Olfa Chiboub
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
- Laboratoire Matériaux-Molécules et Applications, La Marsa, University of Carthage, Tunisia, Tunisia
| | - Aitor Rizo-Liendo
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
| | - Jonadab Zamora-Herrera
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
| | - Carlos J Bethencourt-Estrella
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
| | - Rubén L Rodríguez-Expósito
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
| | - Desirée San Nicolás-Hernández
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
| | - José E Piñero
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain.
| | - Jacob Lorenzo-Morales
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Av. Astrofísico Francisco Sánchez S/N, 38203 Tenerife, Spain
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Chamomile Methanolic Extract Mitigates Small Bowel Inflammation and ROS Overload Related to the Intestinal Nematodes Infection in Mice. Acta Parasitol 2019; 64:152-161. [PMID: 30671769 DOI: 10.2478/s11686-019-00027-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 12/03/2018] [Indexed: 12/27/2022]
Abstract
BACKGROUND Chamomile (Matricaria recutita L.) is a plant which has been reported to be effective in treating several parasitic and digestive diseases. The present study was conducted to evaluate the anthelmintic activity of chamomile methanolic extract (CME). METHODS In vitro, the anthelmintic activities of CME were investigated on the L3 larvae of Heligmosomoides polygyrus in comparison to albendazole. In vivo, Swiss albino mice were infected with infective third (L3) larval stage of H. polygyrus by intragastric administration. Moreover, the effect of CME and albendazole on worm eggs, adult worms, serum cytokine production, and oxidative stress was studied. RESULTS All used doses of CME showed a potent anthelmintic activity both in vitro and in vivo and the effect being similar to treatment with albendazole. Moreover, H. polygyrus infestation was accompanied by an intestinal oxidative stress status characterized by an increased lipoperoxidation, a depletion of antioxidant enzyme activity, as well as an overload of hydrogen peroxide. We have also recorded an increase of pro-inflammatory mediator (TNF-α, IL-6, and IL-1β) levels after treatment with CME (14 ± 0.8; 41 ± 2; 58 ± 4 pg/mg protein, respectively, with the concentration 800 mg/kg, body weight) when compared with infected control mice (20 ± 1; 59 ± 2, and 83 ± 4 pg/mg protein, respectively). However, extract treatment alleviated all the deleterious effects associated with H. polygyrus infection. CONCLUSION These findings suggest that CME can be used in the control of gastrointestinal helminthiasis and associated oxidative stress.
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Tannic acid-modified silver nanoparticles as a novel therapeutic agent against Acanthamoeba. Parasitol Res 2018; 117:3519-3525. [PMID: 30112674 DOI: 10.1007/s00436-018-6049-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 08/08/2018] [Indexed: 12/28/2022]
Abstract
Free-living amoebae belonging to Acanthamoeba genus are widely distributed protozoans which are able to cause infection in humans and other animals such as keratitis and encephalitis. Acanthamoeba keratitis is a vision-threatening corneal infection with currently no available fully effective treatment. Moreover, the available therapeutic options are insufficient and are very toxic to the eye. Therefore, there is an urgent need for the development of more effective anti-amoebic agents. Nanotechnology approaches have been recently reported to be useful for the elucidation antimicrobial, antiviral, antifungal and antiprotozoal activities and thus, they could be a good approach for the development of anti-Acanthamoeba agents. Therefore, this study was aimed to explore the activity and cytotoxicity of tannic acid-modified silver nanoparticles, pure silver nanoparticles and pure gold nanoparticles against clinical strains of Acanthamoeba spp. The obtained results showed a significant anti-amoebic effect of the tannic acid-modified silver nanoparticles which also presented low cytotoxicity. Moreover, tannic acid-modified silver nanoparticles were well absorbed by the trophozoites and did not induce encystation. On the other hand, pure silver nanoparticles were only slightly active against the trophozoite stage and pure gold nanoparticles did not show any activity. In conclusion and based on the observed results, silver nanoparticle conjugation with tannic acid may be considered as potential agent against Acanthamoeba spp.
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Nuutinen T. Medicinal properties of terpenes found in Cannabis sativa and Humulus lupulus. Eur J Med Chem 2018; 157:198-228. [PMID: 30096653 DOI: 10.1016/j.ejmech.2018.07.076] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 07/30/2018] [Accepted: 07/31/2018] [Indexed: 12/12/2022]
Abstract
Cannabaceae plants Cannabis sativa L. and Humulus lupulus L. are rich in terpenes - both are typically comprised of terpenes as up to 3-5% of the dry-mass of the female inflorescence. Terpenes of cannabis and hops are typically simple mono- and sesquiterpenes derived from two and three isoprene units, respectively. Some terpenes are relatively well known for their potential in biomedicine and have been used in traditional medicine for centuries, while others are yet to be studied in detail. The current, comprehensive review presents terpenes found in cannabis and hops. Terpenes' medicinal properties are supported by numerous in vitro, animal and clinical trials and show anti-inflammatory, antioxidant, analgesic, anticonvulsive, antidepressant, anxiolytic, anticancer, antitumor, neuroprotective, anti-mutagenic, anti-allergic, antibiotic and anti-diabetic attributes, among others. Because of the very low toxicity, these terpenes are already widely used as food additives and in cosmetic products. Thus, they have been proven safe and well-tolerated.
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Affiliation(s)
- Tarmo Nuutinen
- Department of Environmental and Biological Sciences, Univerisity of Eastern Finland (UEF), Finland; Department of Physics and Mathematics, UEF, Finland.
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Hajaji S, Jabri MA, Sifaoui I, López-Arencibia A, Reyes-Batlle M, B'chir F, Valladares B, Pinero JE, Lorenzo-Morales J, Akkari H. Amoebicidal, antimicrobial and in vitro ROS scavenging activities of Tunisian Rubus ulmifolius Schott, methanolic extract. Exp Parasitol 2017; 183:224-230. [DOI: 10.1016/j.exppara.2017.09.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 08/10/2017] [Accepted: 09/11/2017] [Indexed: 02/08/2023]
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Ghazouani N, Sifaoui I, Bachrouch O, Abderrabba M, E. Pinero J, Lorenzo-Morales J. Essential oil composition and anti Acanthamoeba studies of Teucrium ramosissimum. Exp Parasitol 2017; 183:207-211. [DOI: 10.1016/j.exppara.2017.09.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 08/25/2017] [Accepted: 09/11/2017] [Indexed: 11/17/2022]
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Albouchi F, Sifaoui I, Reyes-Batlle M, López-Arencibia A, Piñero JE, Lorenzo-Morales J, Abderrabba M. Chemical composition and anti-Acanthamoeba activity of Melaleuca styphelioides essential oil. Exp Parasitol 2017; 183:104-108. [PMID: 29103900 DOI: 10.1016/j.exppara.2017.10.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 09/12/2017] [Accepted: 10/29/2017] [Indexed: 10/18/2022]
Abstract
Acanthamoeba infections cause serious humans diseases, such as amoebic keratitis and granulomatous amoebic encephalitis. Melaleuca essential oil has been reported to be effective in treating bacterial and fungal infections. However, the anti-parasitic effects of this essential oil are not well studied. In the present study, we first characterized the composition of the essential oil, extracted from the Tunisian Melaleuca styphelioides leaves, and then tested its effect on the Acanthamoeba castellanii Neff. Gas chromatography-mass spectrometry (GC-MS) analysis revealed that the major common compounds were Caryophyllene oxide (23.42%), Spathulenol (20.5%), Isoaromadendrene epoxide (7.45%), Ledol (5.98%), α-Pinene (3.82%), Isopinocarveol (2.18%). Our data also showed that M. styphelioides essential oil inhibited the growth of Acanthamoeba with an IC50 value of 69.03 ± 9.17 μg/ml. This work suggests M. styphelioides essential oil as a potential anti amoeba drug. Nevertheless, further studies are still needed to further verify the cytotoxicity of the studied oil on human macrophages and check its applicability to treat Acanthamoeba infections in vivo.
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Affiliation(s)
- Ferdaous Albouchi
- Laboratoire Matériaux-Molécules et Applications, IPEST, B.P. 51 2070, La Marsa, University of Carthage, Tunisia; Faculté des Sciences de Bizerte, Jarzouna, 7021, Bizerte, Tunisia.
| | - Ines Sifaoui
- Laboratoire Matériaux-Molécules et Applications, IPEST, B.P. 51 2070, La Marsa, University of Carthage, Tunisia; University Institute of Tropical Diseases and Public Health, University of La Laguna, Avda Francisco Sanchez S/n, Campus de Anchieta, 38271 La Laguna, Tenerife, Canary Islands, Spain
| | - Maria Reyes-Batlle
- University Institute of Tropical Diseases and Public Health, University of La Laguna, Avda Francisco Sanchez S/n, Campus de Anchieta, 38271 La Laguna, Tenerife, Canary Islands, Spain
| | - Atteneri López-Arencibia
- University Institute of Tropical Diseases and Public Health, University of La Laguna, Avda Francisco Sanchez S/n, Campus de Anchieta, 38271 La Laguna, Tenerife, Canary Islands, Spain
| | - José E Piñero
- University Institute of Tropical Diseases and Public Health, University of La Laguna, Avda Francisco Sanchez S/n, Campus de Anchieta, 38271 La Laguna, Tenerife, Canary Islands, Spain
| | - Jacob Lorenzo-Morales
- University Institute of Tropical Diseases and Public Health, University of La Laguna, Avda Francisco Sanchez S/n, Campus de Anchieta, 38271 La Laguna, Tenerife, Canary Islands, Spain
| | - Manef Abderrabba
- Laboratoire Matériaux-Molécules et Applications, IPEST, B.P. 51 2070, La Marsa, University of Carthage, Tunisia
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Hajaji S, Sifaoui I, López-Arencibia A, Reyes-Batlle M, Jiménez IA, Bazzocchi IL, Valladares B, Pinero JE, Lorenzo-Morales J, Akkari H. Correlation of radical-scavenging capacity and amoebicidal activity of Matricaria recutita L. (Asteraceae). Exp Parasitol 2017; 183:212-217. [PMID: 28919332 DOI: 10.1016/j.exppara.2017.09.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 08/10/2017] [Accepted: 09/11/2017] [Indexed: 01/14/2023]
Abstract
Some Acanthamoeba strains are able to cause Granulomatous Amoebic Encephalitis (GAE) and Acanthamoeba keratitis (AK) worldwide because of their pathogenicity. The treatment of Acanthamoeba infections is complicated due to the existence of a highly resistant cyst stage in their life cycle. Therefore, the elucidation of novel sources of anti-Acanthamoeba agents is an urgent need. In the present study, an evaluation of the antioxidant and anti-Acanthamoeba activity of compounds in flower extracts of Tunisian chamomile (Matricaria recutita L.) was carried out. Chamomile methanol extract was the most active showing an IC50 of 66.235 ± 0.390 μg/ml, low toxicity levels when checked in murine macrophage toxicity model and presented also antioxidant properties. Moreover, a bio-guided fractionation of this extract was developed and led to the identification of a mixture of coumarins as the most active fraction. These results suggest a novel source of anti-Acanthamoeba compounds for the development of novel therapeutic agents against Acanthamoeba infections.
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Affiliation(s)
- Soumaya Hajaji
- Laboratoire de Parasitologie, Université de la Manouba, École Nationale de Médecine Vétérinaire de Sidi thabet, 2020, Tunisia; Faculté des sciences de Bizerte, Université de Carthage, 7021, Zarzouna, Tunisia.
| | - Ines Sifaoui
- Laboratoire Matériaux-Molécules et Applications, IPEST, University of Carthage, La Marsa, Tunisia; University Institute of Tropical Diseases and Public Health of the Canary Islands, University of La Laguna, Avda. Astrofísico Fco. Sánchez, La Laguna, Tenerife, Canary Islands, Spain
| | - Atteneri López-Arencibia
- University Institute of Tropical Diseases and Public Health of the Canary Islands, University of La Laguna, Avda. Astrofísico Fco. Sánchez, La Laguna, Tenerife, Canary Islands, Spain
| | - María Reyes-Batlle
- University Institute of Tropical Diseases and Public Health of the Canary Islands, University of La Laguna, Avda. Astrofísico Fco. Sánchez, La Laguna, Tenerife, Canary Islands, Spain
| | - Ignacio A Jiménez
- Instituto Universitario de Bio-Orgánica Antonio González, Department of Organic Chemistry, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | - Isabel L Bazzocchi
- Instituto Universitario de Bio-Orgánica Antonio González, Department of Organic Chemistry, Universidad de La Laguna, Tenerife, Canary Islands, Spain
| | - Basilio Valladares
- University Institute of Tropical Diseases and Public Health of the Canary Islands, University of La Laguna, Avda. Astrofísico Fco. Sánchez, La Laguna, Tenerife, Canary Islands, Spain
| | - José E Pinero
- University Institute of Tropical Diseases and Public Health of the Canary Islands, University of La Laguna, Avda. Astrofísico Fco. Sánchez, La Laguna, Tenerife, Canary Islands, Spain
| | - Jacob Lorenzo-Morales
- University Institute of Tropical Diseases and Public Health of the Canary Islands, University of La Laguna, Avda. Astrofísico Fco. Sánchez, La Laguna, Tenerife, Canary Islands, Spain
| | - Hafidh Akkari
- Laboratoire de Parasitologie, Université de la Manouba, École Nationale de Médecine Vétérinaire de Sidi thabet, 2020, Tunisia
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Zouaghi G, Najar A, Chiboub O, Sifaoui I, Abderrabba M, Lorenzo Morales J. The effect of viroid infection of citrus trees on the amoebicidal activity of 'Maltese half-blood' (Citrus sinensis) against trophozoite stage of Acanthamoeba castellanii Neff. Exp Parasitol 2017; 183:182-186. [PMID: 28916460 DOI: 10.1016/j.exppara.2017.09.006] [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: 07/25/2017] [Revised: 08/30/2017] [Accepted: 09/11/2017] [Indexed: 11/18/2022]
Abstract
In order to promote a local Tunisian product, this study was designed to examine, for the first time, the anti-Acanthamoeba activity (Acanthamoeba castellanii Neff) of the essential oils of Tunisian Citrus sinensis peels (Maltese half-blood) and the effect of viroid plant infection on this activity. To do so, three samples of peels' essential oils were studied: from a healthy plant (Control), a plant inoculated with Citrus exocortis viroid (CEVd) and one inoculated with hot stunt cachexia viroid (HSVd). The samples were extracted by hydrodistillation from dried peels and characterized by GC-MS. Limonene was the major component with a percentage ranging from 90.76 to 93.34% for (CEVd) sample and (Control), respectively. Anti-Acanthamoeba activity of the tested oils was determined by the Alamar Blue® assay. Primary results showed a strong potential anti-Acanthamoeba activity with an IC50 ranging from 36.6 to 54.58 μg/ml for (HSVd) and (CEVd) samples, respectively. In terms of the effect of viroid infection, a strong positive correlation was observed between different chemical classes and anti-Acanthamoeba activity.
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Affiliation(s)
- Ghaya Zouaghi
- Laboratory Materials, Molecules, Applications, IPEST (Preparatory Institute for Scientific and Technical Studies), University of Carthage, La Marsa 2070, Tunis, Tunisia.
| | - Asma Najar
- Laboratory of Plant Protection, National Institute of Agronomic Research of Tunisia, Rue Hédi Karray, 1004 El 9 Menzah, Tunisia
| | - Olfa Chiboub
- Laboratory Materials, Molecules, Applications, IPEST (Preparatory Institute for Scientific and Technical Studies), University of Carthage, La Marsa 2070, Tunis, Tunisia; University Institute of Tropical Diseases and Public Health, University of La Laguna, Avda Francisco Sanchez s/n, Campus de Anchieta, 38271 La Laguna. Tenerife, Canary Islands, Spain
| | - Ines Sifaoui
- Laboratory Materials, Molecules, Applications, IPEST (Preparatory Institute for Scientific and Technical Studies), University of Carthage, La Marsa 2070, Tunis, Tunisia; University Institute of Tropical Diseases and Public Health, University of La Laguna, Avda Francisco Sanchez s/n, Campus de Anchieta, 38271 La Laguna. Tenerife, Canary Islands, Spain
| | - Manef Abderrabba
- Laboratory Materials, Molecules, Applications, IPEST (Preparatory Institute for Scientific and Technical Studies), University of Carthage, La Marsa 2070, Tunis, Tunisia
| | - Jacob Lorenzo Morales
- University Institute of Tropical Diseases and Public Health, University of La Laguna, Avda Francisco Sanchez s/n, Campus de Anchieta, 38271 La Laguna. Tenerife, Canary Islands, Spain
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In vitro activity of 1H-phenalen-1-one derivatives against Acanthamoeba castellanii Neff and their mechanisms of cell death. Exp Parasitol 2017; 183:218-223. [PMID: 28916457 DOI: 10.1016/j.exppara.2017.09.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 08/10/2017] [Accepted: 09/11/2017] [Indexed: 12/20/2022]
Abstract
Acanthamoeba is an opportunistic pathogen which is the causal agent of a sight-threatening ulceration of the cornea known as Acanthamoeba keratitis (AK) and, more rarely, an infection of the central nervous system called "granulomatous amoebic encephalitis" (GAE). The symptoms of AK are non-specific, and so it can be misdiagnosed as a viral, bacterial, or fungal keratitis. Furthermore, current therapeutic measures against AK are arduous, and show limited efficacy against the cyst stage of Acanthamoeba. 1H-Phenalen-1-one (PH) containing compounds have been isolated from plants and fungi, where they play a crucial role in the defense mechanism of plants. Natural as well as synthetic PHs exhibit a diverse range of biological activities against fungi, protozoan parasites or human cancer cells. New synthetic PHs have been tested in this study and they show a potential activity against this protozoa.
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