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El-Sayed SAES, El-Alfy ES, Baghdadi HB, Sayed-Ahmed MZ, Alqahtani SS, Alam N, Ahmad S, Ali MS, Igarashi I, Rizk MA. Antiparasitic activity of FLLL-32 against four Babesia species, B. bovis, B. bigemina, B. divergens and B. caballi, and one Theileria species, Theileria equi in vitro, and Babesia microti in mice. Front Pharmacol 2023; 14:1278451. [PMID: 38027032 PMCID: PMC10651744 DOI: 10.3389/fphar.2023.1278451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction: FLLL-32, a synthetic analog of curcumin, is a potent inhibitor of STAT3's constitutive activation in a variety of cancer cells, and its anticancer properties have been demonstrated both in vitro and in vivo. It is also suggested that it might have other pharmacological activities including activity against different parasites. Aim: This study therefore investigated the in vitro antiparasitic activity of FLLL-32 against four pathogenic Babesia species, B. bovis, B. bigemina, B. divergens, and B. caballi, and one Theileria species, Theileria equi. In vivo anti-Babesia microti activity of FLLL-32 was also evaluated in mice. Methods: The FLLL-32, in the growth inhibition assay with a concentration range (0.005-50 μM), was tested for it's activity against these pathogens. The reverse transcription PCR (RT-PCR) assay was used to evaluate the possible effects of FLLL-32 treatment on the mRNA transcription of the target B. bovis genes including S-adenosylhomocysteine hydrolase and histone deacetylase. Results: The in vitro growth of B. bovis, B. bigemina, B. divergens, B. caballi, and T. equi was significantly inhibited in a dose-dependent manner (in all cases, p < 0.05). FLLL-32 exhibits the highest inhibitory effects on B. bovis growth in vitro, and it's IC50 value against this species was 9.57 μM. The RT-PCR results showed that FLLL-32 inhibited the transcription of the B. bovis S-adenosylhomocysteine hydrolase gene. In vivo, the FLLL-32 showed significant inhibition (p < 0.05) of B. microti parasitemia in infected mice with results comparable to that of diminazene aceturate. Parasitemia level in B. microti-infected mice treated with FLLL-32 from day 12 post infection (pi) was reduced to reach zero level at day 16 pi when compared to the infected non-treated mice. Conclusion: The present study demonstrated the antibabesial properties of FLLL-32 and suggested it's usage in the treatment of babesiosis especially when utilized in combination therapy with other antibabesial drugs.
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Affiliation(s)
- Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - El-Sayed El-Alfy
- Parasitology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Hanadi B. Baghdadi
- Biology Department, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
- Basic and Applied Scientific Research Center (BASRC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mohamed Z. Sayed-Ahmed
- Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jizan, Saudi Arabia
| | - Saad S. Alqahtani
- Department of Clinical Pharmacy, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Nawazish Alam
- Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jizan, Saudi Arabia
| | - Sarfaraz Ahmad
- Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jizan, Saudi Arabia
| | - Md. Sajid Ali
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jizan, Saudi Arabia
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Mohamed Abdo Rizk
- Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
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Rizk MA, El-Sayed SAES, Sayed-Ahmed MZ, Almoshari Y, Alqahtani SS, Ahmad S, Alam N, Marghani BH, Abdelbaset AE, Igarashi I. Evaluation of the Inhibitory Effect of Moringa oleifera Leaves Methanolic Extract against In Vitro Growth of Several Babesia Species and Theileria equi and the In Vivo Growth of Babesia microti. J Trop Med 2023; 2023:4285042. [PMID: 37941580 PMCID: PMC10630014 DOI: 10.1155/2023/4285042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 11/10/2023] Open
Abstract
The current study evaluated the inhibitory effect of Moringa oleifera leaves methanolic extract (MOL) against the in vitro growth of Babesia bovis (B. bovis), B. caballi, B. bigemina, and Theileria equi (T. equi), as well as in vivo growth of B. microti in mice. Active principles of MOL extract were determined using liquid chromatography mass spectrometry (LC-MS). MOL's anti-piroplasm efficacy was assessed both in vitro and in vivo using the SYBR Green I fluorescence assay. Every 96 hours, the hematological parameters, including red blood cell count (RBCs; 104/UL), hemoglobin content (HGB; g/dl), and hematocrit percent (HCT; %), in the treated mice were monitored using a Celltac MEK6450 automated hematological analyzer. LC-MS of MOL revealed that the most abundant polyphenolic catechism found in the MOL extract was isoquercetin and rutin. MOL inhibited B. bovis, B. caballi, B. bigemina, and T. equi in vitro growth in a dose-dependent way, with IC50 values of 45.29 ± 6.14, 19.16 ± 0.45, 137.49 ± 16.07, and 9.29 ± 0.014 μg/ml, respectively. MOL's in vitro antibabesial activity was enhanced when administrated simultaneously with either diminazene aceturate (DA) or MMV665875 compound from malaria box. In mice infected by B. microti, a combination of MOL and a low dose of DA (12.5 mg·kg-1) resulted in a significant (P < 0.05) reduction in B. microti growth. These findings suggest that MOL is an effective herbal anti-piroplasm therapy, especially when combined with a low dosage of either DA or MMV665875.
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Affiliation(s)
- Mohamed Abdo Rizk
- Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mohamed Z. Sayed-Ahmed
- Pharmacy Practice Research Unit, Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Yosif Almoshari
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Saad S. Alqahtani
- Department of Clinical Pharmacy, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Sarfaraz Ahmad
- Pharmacy Practice Research Unit, Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Nawazish Alam
- Pharmacy Practice Research Unit, Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Basma H. Marghani
- Department of Physiology, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
- Department of Biochemistry, Physiology and Pharmacology, Faculty of Veterinary Medicine, King Salman International University, South of Sinai 46612, Egypt
| | - Abdelbaset E. Abdelbaset
- Clinical Laboratory Diagnosis, Department of Animal Medicine, Faculty of Veterinary Medicine, Assiut University, Assiut 71515, Egypt
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
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Shor SM, Schweig SK. The Use of Natural Bioactive Nutraceuticals in the Management of Tick-Borne Illnesses. Microorganisms 2023; 11:1759. [PMID: 37512931 PMCID: PMC10384908 DOI: 10.3390/microorganisms11071759] [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: 05/14/2023] [Revised: 06/29/2023] [Accepted: 06/29/2023] [Indexed: 07/30/2023] Open
Abstract
The primary objective of this paper is to provide an evidence-based update of the literature on the use of bioactive phytochemicals, nutraceuticals, and micronutrients (dietary supplements that provide health benefits beyond their nutritional value) in the management of persistent cases of Borrelia burgdorferi infection (Lyme disease) and two other tick-borne pathogens, Babesia and Bartonella species. Recent studies have advanced our understanding of the pathophysiology and mechanisms of persistent infections. These advances have increasingly enabled clinicians and patients to utilize a wider set of options to manage these frequently disabling conditions. This broader toolkit holds the promise of simultaneously improving treatment outcomes and helping to decrease our reliance on the long-term use of pharmaceutical antimicrobials and antibiotics in the treatment of tick-borne pathogens such as Borrelia burgdorferi, Babesia, and Bartonella.
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Affiliation(s)
- Samuel M Shor
- Internal Medicine of Northern Virginia, George Washington University Health Care Sciences, Reston, VA 20190, USA
| | - Sunjya K Schweig
- California Center for Functional Medicine, Oakland, CA 94619, USA
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Elghandour MMMY, Maggiolino A, Vázquez-Mendoza P, Alvarado-Ramírez ER, Cedillo-Monroy J, De Palo P, Salem AZM. Moringa oleifera as a Natural Alternative for the Control of Gastrointestinal Parasites in Equines: A Review. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091921. [PMID: 37176979 PMCID: PMC10181162 DOI: 10.3390/plants12091921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/25/2023] [Accepted: 05/07/2023] [Indexed: 05/15/2023]
Abstract
Studies have shown a wide variety of parasites that infect horses, causing major gastrointestinal damage that can lead to death, and although the main method of control has been synthetic anthelmintics, there are parasites that have developed resistance to these drugs. For generations, plants have been used throughout the world as a cure or treatment for countless diseases and their symptoms, as is the case of Moringa oleifera, a plant native to the western region. In all its organs, mainly in leaves, M. oleifera presents a diversity of bioactive compounds, including flavonoids, tannins, phenolic acids, saponins, and vitamins, which provide antioxidant power to the plant. The compounds with the greatest antiparasitic activity are tannins and saponins, and they affect both the larvae and the oocytes of various equine gastrointestinal parasites. Therefore, M. oleifera is a promising source for the natural control of gastrointestinal parasites in horses.
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Affiliation(s)
| | - Aristide Maggiolino
- Department of Veterinary Medicine, University of Bari A. Moro, Valenzano, 70010 Bari, Italy
| | - Paulina Vázquez-Mendoza
- Facultad Maya de Estudios Agropecuarios, Universidad Autónoma de Chiapas, Catazajá 29980, Chiapas, Mexico
| | | | - José Cedillo-Monroy
- Temascaltepec University Center, Autonomous University of the State of Mexico, Temascaltepec 51300, Estado de México, Mexico
| | - Pasquale De Palo
- Department of Veterinary Medicine, University of Bari A. Moro, Valenzano, 70010 Bari, Italy
| | - Abdelfattah Zeidan Mohamed Salem
- Faculty of Veterinary Medicine and Zootechnics, Autonomous University of the State of Mexico, Toluca 50295, Estado de México, Mexico
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Rizk MA, El-Sayed SAES, Igarashi I. In vivo activity and atom pair fingerprint analysis of MMV665941 against the apicomplexan parasite Babesia microti, the causative agent of babesiosis in humans and rodents. Pathog Glob Health 2023; 117:315-321. [PMID: 36172647 PMCID: PMC10081058 DOI: 10.1080/20477724.2022.2128571] [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] [Indexed: 10/14/2022] Open
Abstract
The effect of MMV665941 on the growth of Babesia microti (B. microti) in mice, was investigated in this study using a fluorescence-based SYBR Green I test. Using atom Pair signatures, we investigated the structural similarity between MMV665941 and the commonly used antibabesial medicines diminazene aceturate (DA), imidocarb dipropionate (ID), or atovaquone (AV). In vitro cultures of Babesia bovis (B. bovis) and, Theileria equi (T. equi) were utilized to determine the MMV665941 and AV interaction using combination ratios ranged from 0.75 IC50 MMV665941:0.75 IC50 AV to 0.50 IC50 MMV665941:0.50 IC50 AV. The used combinations were prepared depending on the IC50 of each drug against the in vitro growth of the tested parasite. Every 96 h, the hemolytic anemia in the treated mice was monitored using a Celltac MEK-6450 computerized hematology analyzer. A single dose of 5 mg/kg MMV665941 exhibited inhibition in the B. microti growth from day 4 post-inoculation (p.i.) till day 12 p.i. MMV665941 caused 62.10%, 49.88%, and 74.23% inhibitions in parasite growth at days 4, 6 and 8 p.i., respectively. Of note, 5 mg/kg MMV665941 resulted in quick recovery of hemolytic anemia caused by babesiosis. The atom pair fingerprint (APfp) analysis revealed that MMV665941 and atovaquone (AV) showed maximum structural similarity. Of note, high concentrations (0.75 IC50) of MMV665941 and AV caused synergistic inhibition on B. bovis growth. These findings suggest that MMV665941 might be a promising drug for babesiosis treatment, particularly when combined with the commonly used antibabesial drug, AV.
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Affiliation(s)
- Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
- Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
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Rizk MA, Baghdadi HB, El-Sayed SAES, Eltaysh R, Igarashi I. Repurposing of the Malaria Box for Babesia microti in mice identifies novel active scaffolds against piroplasmosis. Parasit Vectors 2022; 15:329. [PMID: 36123705 PMCID: PMC9487043 DOI: 10.1186/s13071-022-05430-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 08/02/2022] [Indexed: 11/25/2022] Open
Abstract
Background An innovative approach has been introduced for identifying and developing novel potent and safe anti-Babesia and anti-Theileria agents for the control of animal piroplasmosis. In the present study, we evaluated the inhibitory effects of Malaria Box (MBox) compounds (n = 8) against the growth of Babesia microti in mice and conducted bioinformatics analysis between the selected hits and the currently used antibabesial drugs, with far-reaching implications for potent combinations. Methods A fluorescence assay was used to evaluate the in vivo inhibitory effects of the selected compounds. Bioinformatics analysis was conducted using hierarchical clustering, distance matrix and molecular weight correlation, and PubChem fingerprint. The compounds with in vivo potential efficacy were selected to search for their target in the piroplasm parasites using quantitative PCR (qPCR). Results Screening the MBox against the in vivo growth of the B. microti parasite enabled the discovery of potent new antipiroplasm drugs, including MMV396693 and MMV665875. Interestingly, statistically significant (P < 0.05) downregulation of cysteine protease mRNA levels was observed in MMV665875-treated Theileria equi in vitro culture in comparison with untreated cultures. MMV396693/clofazimine and MMV665875/atovaquone (AV) showed maximum structural similarity (MSS) with each other. The distance matrix results indicate promising antibabesial efficacy of combination therapies consisting of either MMV665875 and AV or MMV396693 and imidocarb dipropionate (ID). Conclusions Inhibitory and hematology assay results suggest that MMV396693 and MMV665875 are potent antipiroplasm monotherapies. The structural similarity results indicate that MMV665875 and MMV396693 have a similar mode of action as AV and ID, respectively. Our findings demonstrated that MBox compounds provide a promising lead for the development of new antibabesial therapeutic alternatives. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13071-022-05430-4.
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Affiliation(s)
- Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan. .,Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Dakahlia, Egypt.
| | - Hanadi B Baghdadi
- Biology Department, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.,Basic and Applied Scientific Research Center (BASRC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan.,Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Dakahlia, Egypt
| | - Rasha Eltaysh
- Department of Pharmacology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Dakahlia, Egypt
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan
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Pomegranate ( Punica granatum) Peel Inhibits the In Vitro and In Vivo Growth of Piroplasm Parasites. J Parasitol Res 2022; 2022:8574541. [PMID: 35774222 PMCID: PMC9237696 DOI: 10.1155/2022/8574541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 05/21/2022] [Accepted: 06/06/2022] [Indexed: 12/04/2022] Open
Abstract
Pomegranate (Punica granatum) peel has seen a rapid surge in attention as a medical and nutritional product over the last decade. The impact of pomegranate peel methanolic extract monotherapy and combination therapy on the in vitro growth of Babesia (B.) bovis, B. bigemina, B. divergens, B. caballi, and Theileria (T.) equi, as well as B. microti in mice, was investigated in this work. Fluorescence-based SYBR green I assay was used for evaluating the inhibitory antibabesial efficacy of pomegranate (Punica granatum) peel against the growth of several piroplasm parasites in vitro and in vivo. Celltac α MEK-6450 computerized haematology analyzer was used for monitoring the haematological parameters of treated mice every 4 days. Pomegranate peel inhibited the in vitro growth of B. bovis, B. bigemina, B. divergens, T. equi, and B. caballi in a dose-dependent manner, with IC50 values of 154.45 ± 23.11, 40.90 ± 9.35, 72.71 ± 14.77, 100 ± 16.20, and 77.27 ± 16.94 μg/ml, respectively. On a B. bovis culture, the in vitro inhibitory effect of pomegranate peel was amplified when it was combined with diminazene aceturate (DA). Combination therapy of pomegranate peel and a low dose of DA (15 mg kg−1) inhibited B. microti growth significantly (P < 0.05) higher than the treatment with the full dose of DA (25 mg kg−1) in B. microti-infected mice. These findings suggest that pomegranate peel might be a potential medicinal plant for babesiosis treatment, especially when combined with a low dosage of DA.
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Zhou Y, Li X, Luo W, Zhu J, Zhao J, Wang M, Sang L, Chang B, Wang B. Allicin in Digestive System Cancer: From Biological Effects to Clinical Treatment. Front Pharmacol 2022; 13:903259. [PMID: 35770084 PMCID: PMC9234177 DOI: 10.3389/fphar.2022.903259] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/23/2022] [Indexed: 12/24/2022] Open
Abstract
Allicin is the main active ingredient in freshly-crushed garlic and some other allium plants, and its anticancer effect on cancers of digestive system has been confirmed in many studies. The aim of this review is to summarize epidemiological studies and in vitro and in vivo investigations on the anticancer effects of allicin and its secondary metabolites, as well as their biological functions. In epidemiological studies of esophageal cancer, liver cancer, pancreatic cancer, and biliary tract cancer, the anticancer effect of garlic has been confirmed consistently. However, the results obtained from epidemiological studies in gastric cancer and colon cancer are inconsistent. In vitro studies demonstrated that allicin and its secondary metabolites play an antitumor role by inhibiting tumor cell proliferation, inducing apoptosis, controlling tumor invasion and metastasis, decreasing angiogenesis, suppressing Helicobacter pylori, enhancing the efficacy of chemotherapeutic drugs, and reducing the damage caused by chemotherapeutic drugs. In vivo studies further demonstrate that allicin and its secondary metabolites inhibit cancers of the digestive system. This review describes the mechanisms against cancers of digestive system and therapeutic potential of allicin and its secondary metabolites.
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Affiliation(s)
- Yang Zhou
- Department of Gastroenterology, The First Affiliated Hospital of China Medical University, Shenyang, China
- The Second Clinical College, China Medical University, Shenyang, China
| | - Xingxuan Li
- The Second Clinical College, China Medical University, Shenyang, China
| | - Wenyu Luo
- The Second Clinical College, China Medical University, Shenyang, China
| | - Junfeng Zhu
- Department of Clinical Laboratory, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Jingwen Zhao
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Mengyao Wang
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Lixuan Sang
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Bing Chang
- Department of Gastroenterology, The First Affiliated Hospital of China Medical University, Shenyang, China
- *Correspondence: Bing Chang,
| | - Bingyuan Wang
- Department of Geriatric Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China
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Rizk MA, El-Sayed SAES, Igarashi I. Ascorbic acid co-administration with a low dose of diminazene aceturate inhibits the in vitro growth of Theileria equi, and the in vivo growth of Babesia microti. Parasitol Int 2022; 90:102596. [DOI: 10.1016/j.parint.2022.102596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/12/2022] [Accepted: 05/03/2022] [Indexed: 10/18/2022]
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Rizk MA, El-Sayed SAES, Al-Araby M, Igarashi I. Effect of methanolic extract from Capsicum annuum against the multiplication of several Babesia species and Theileria equi on in vitro cultures, and Babesia microti in mice. Vet World 2022; 15:76-82. [PMID: 35369597 PMCID: PMC8924380 DOI: 10.14202/vetworld.2022.76-82] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 12/23/2021] [Indexed: 11/16/2022] Open
Abstract
Background and Aim: Piroplasmosis is a serious disease that infects animals, inflicting significant economic losses in the livestock industry and animal trade worldwide. Anti-piroplasm drugs now on the market have demonstrated host toxicity and parasite resistance. As a result, developing more effective and safer anti-piroplasm drugs becomes an urgent issue. This study aimed to evaluate the inhibitory effect of Capsicum annuum methanolic extract (CA) against the growth of Babesia bovis, Babesia divergens, Babesia caballi, and Theileria equi in vitro and against B. microti in mice.
Materials and Methods: Fluorescence-based SYBR Green I assay was used to evaluate CA's inhibitory effect in vitro and in vivo when used either as a monotherapy or combined with diminazene aceturate (DA). The hematological parameters (HCT, hemoglobin, and red blood cells counts) were determined in the blood of mice every 96 h using Celltac α MEK-6450 electronic hematology analyzer.
Results: The in vitro growth of B. bovis, B. divergens, T. equi, and B. caballi was inhibited by CA in a dose-dependent manner with IC50 values of 4.87±1.23, 44.11±8.03, 8.23±2.54, and 1.26±0.50 mg/mL, respectively. In B. microti-infected mice, a combination therapy consisting of CA and a low dose of DA showed a significant (p<0.05) inhibition of B. microti growth nearly similar to those obtained by treatment with the full dose of DA.
Conclusion: The obtained results indicate that CA might be a promising medicinal plant for treating babesiosis, especially when used with a low dose of DA.
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Affiliation(s)
- Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada- Cho, Obihiro, Hokkaido 080-8555, Japan; Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada- Cho, Obihiro, Hokkaido 080-8555, Japan; Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mostafa Al-Araby
- Department of Parasitology, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada- Cho, Obihiro, Hokkaido 080-8555, Japan
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Rizk MA, El-Sayed SAES, Igarashi I. Evaluation of the inhibitory effect of Zingiber officinale rhizome on Babesia and Theileria parasites. Parasitol Int 2021; 85:102431. [PMID: 34352378 DOI: 10.1016/j.parint.2021.102431] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 07/29/2021] [Accepted: 07/30/2021] [Indexed: 11/21/2022]
Abstract
The effect of Zingiber officinale rhizome methanolic extract (ZOR) on the in vitro growth of bovine Babesia (B. bovis, B. bigemina, and B. divergens) and equine piroplasm (B. caballi, and Theileria equi) parasites and on the growth of B. microti in mice was evaluated in this study. The possible in vitro synergistic interaction between ZOR and either diminazene aceturate (DA) or potent Medicines for Malaria Venture (MMV) hits from the malaria box was also investigated. In vitro, ZOR reduced the growth of B. bovis, B. bigemina, T. equi, and B. caballi in a dose-dependent manner. B. divergens was the most susceptible parasite to the in vitro inhibitory effect of ZOR. DA and MMV compounds enhanced the in vitro inhibitory antibabesial activity of ZOR. 12.5 mg/kg DA when administrated in combination with ZOR in mice exhibited a significant inhibition (P < 0.05) in B. microti growth better than those observed after treatment with 25 mg/kg DA monotherapy. These findings suggest that ZOR could be a viable medicinal plant for babesiosis treatment, particularly when combined with a modest dose of either DA or powerful anti-B. bigemina MMV hits.
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Affiliation(s)
- Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt.
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan.
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El-Sayed SAES, Rizk MA, Ringo AE, Li Y, Liu M, Ji S, Li J, Byamukama B, Tumwebaze MA, Xuan X, Igarashi I. Impact of using pyronaridine tetraphosphate- based combination therapy in the treatment of babesiosis caused by Babesia bovis, B. caballi, and B. gibsoni in vitro and B. microti in mice. Parasitol Int 2020; 81:102260. [PMID: 33264674 DOI: 10.1016/j.parint.2020.102260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 11/20/2020] [Accepted: 11/24/2020] [Indexed: 11/16/2022]
Abstract
The inhibitory efficacies of pyronaridine tetraphosphate (PYR), when used in combination with two novel and potent antibabesial drugs; clofazimine (CF), and MMV396693 were evaluated in the current study against the growth of Babesia bovis, B. caballi, and B. gibsoni in vitro and B. microti in mice. The in vitro study against the selected parasites was performed using combination of PYR with either CF or MMV396693 in ratios ranged from 0.75:0.75 to 0.25:0.25. Combined application of PYR/MMV396693 revealed additive and indifferent interactions against the in vitro growth of all screened Babesia parasites. PYR in combination with CF, achieved indifferent and antagonistic interactions with all used concentration ratios against the in vitro growth of B. bovis and B. caballi. Treatment with PYR-CF combination therapy caused significant inhibition (P < 0.05) of the fluorescence values at days 12, 14, 16, 18, and 22 p.i. in comparison with control mice. Of note, treatment with combination therapy exhibited inhibition in the growth of B. microti (23.16%) greater than those caused by PYR alone. In summary, the obtained results highlight the improvement in the in vivo antibabesial efficacy of PYR when used in combination with CF rather than using PYR alone but such inhibition is still lower than those caused by either DA or CF monotherapies.
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Affiliation(s)
- Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt.
| | - Aaron Edmond Ringo
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; Zanzibar Livestock Research Institute, Ministry of Agriculture, Natural Resources, Livestock and Fisheries, P. o. Box. 159, Zanzibar, Tanzania
| | - Yongchang Li
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Mingming Liu
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Shengwei Ji
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Jixu Li
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Benedicto Byamukama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Maria A Tumwebaze
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan.
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan.
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Zhang Y, Bai C, Shi W, Alvarez-Manzo H, Zhang Y. Identification of Essential Oils Including Garlic Oil and Black Pepper Oil with High Activity against Babesia duncani. Pathogens 2020; 9:pathogens9060466. [PMID: 32545549 PMCID: PMC7350376 DOI: 10.3390/pathogens9060466] [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: 05/24/2020] [Revised: 06/08/2020] [Accepted: 06/09/2020] [Indexed: 12/16/2022] Open
Abstract
Some evidence indicated that human babesiosis caused by Babesia duncani has spread widely in North America. However, current therapeutic regimens (atovaquone + azithromycin) for human babesiosis are suboptimal with frequent recrudescence and side effects, and furthermore, there is no specific treatment for human babesiosis caused by B. duncani. Here, we screened 97 essential oils and identified 10 essential oils (garlic, black pepper, tarragon, palo santo, coconut, pine, meditation, cajeput, moringa, and stress relief) at a low concentration (0.001%; v/v) that showed good inhibitory activity against B. duncani in the hamster red blood cell culture model. Among them, garlic oil and black pepper oil performed best, as well as their potential active ingredients diallyl disulfide (DADS) and β-caryophyllene (BCP), respectively. Interestingly, further subculture study indicated that B. duncani could relapse after treatment with current therapeutic drugs atovaquone or azithromycin even at high concentrations. In contrast, the combination of garlic oil or DADS and azithromycin showed eradication of B. duncani at low concentrations without regrowth. These results are encouraging and suggest that the garlic-derived sulfur compound DADS and β-caryophyllene (BCP) may be promising drug candidates for evaluation of their ability to cure persistent B. duncani infections in the future.
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AbouLaila M, El-Sayed SAES, Omar MA, Al-Aboody MS, Abdel Aziz AR, Abdel-Daim MM, Rizk MA, Igarashi I. Myrrh Oil in Vitro Inhibitory Growth on Bovine and Equine Piroplasm Parasites and Babesia microti of Mice. Pathogens 2020; 9:pathogens9030173. [PMID: 32121352 PMCID: PMC7157210 DOI: 10.3390/pathogens9030173] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/21/2020] [Accepted: 02/22/2020] [Indexed: 01/16/2023] Open
Abstract
The present experimental study was conducted for the assessment of the efficacy of in vitro inhibition of myrrh oil on the propagation of Babesia bovis, B. divergens, B. bigemina, Theileria equi, and B. caballi and in vivo efficacy on B. microti in mice through fluorescence assay based on SYBR green I. The culture of B. divergens B. bovis and was used to evaluate the in vitro possible interaction between myrrh oil and other commercial compound, such as pyronaridine tetraphosphate (PYR), diminazene aceturate (DA), or luteolin. Nested-polymerase chain reaction protocol using primers of the small-subunit rRNA of B. microti was employed to detect any remnants of DNA for studied parasitic species either in blood or tissues. Results elucidated that; Myrrh oil significantly inhibit the growth at 1% of parasitic blood level for all bovine and equine piroplasm under the study. Parasitic regrowth was inhibited subsequently by viability test at 2 µg/mL for B. bigemina and B. bovis, and there was a significant improvement in the in vitro growth inhibition by myrrh oil when combined with DA, PYR, and luteolin. At the same time; mice treated with a combination of myrrh oil/DA showed a higher inhibition in emitted fluorescence signals than the group that challenged with 25 mg/kg of diminazene aceturate at 10 and 12 days post-infection. In conclusion, this study has recommended the myrrh oil to treat animal piroplasmosis, especially in combination with low doses of DA.
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Affiliation(s)
- Mahmoud AbouLaila
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; (M.A.); (S.A.E.-S.E.-S.); (I.I.)
- Department of Parasitology, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, ElBehera, Egypt
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; (M.A.); (S.A.E.-S.E.-S.); (I.I.)
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mosaab A. Omar
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, 51452 Qassim, Saudi Arabia;
- Department of Parasitology, Faculty of Veterinary Medicine, South Valley University, Luxor 83523, Qena, Egypt
| | - Mohammad Saleh Al-Aboody
- Department of Biology, College of Science in Zulfi, Majmaah University, Majmaah 11952, Saudi Arabia;
| | - Amer R. Abdel Aziz
- Department of Parasitology, Faculty of Veterinary Medicine, Sohag University, Sohag 82524, Egypt;
| | - Mohamed M. Abdel-Daim
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
- Correspondence: (M.M.A.-D.); or (M.A.Z)
| | - Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; (M.A.); (S.A.E.-S.E.-S.); (I.I.)
- Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
- Correspondence: (M.M.A.-D.); or (M.A.Z)
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; (M.A.); (S.A.E.-S.E.-S.); (I.I.)
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Therapeutic Effects of Atranorin towards the Proliferation of Babesia and Theileria Parasites. Pathogens 2020; 9:pathogens9020127. [PMID: 32079149 PMCID: PMC7167990 DOI: 10.3390/pathogens9020127] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 01/31/2020] [Accepted: 02/12/2020] [Indexed: 01/30/2023] Open
Abstract
Atranorin (ATR), is a compound with multidirectional biological activity under different in vitro and in vivo conditions and it is effective as an antibacterial, antiviral, antiprotozoal and anti-inflammatory agent. In the current study, the in vitro as well as in vivo chemotherapeutic effect of ATR as well as its combined efficacy with the existing antibabesial drugs (diminazene aceturate (DA), atovaquone (AV) and clofazimine (CF)) were investigated on six species of piroplasm parasites. ATR suppressed B. bovis, B. bigemina, B. divergens, B. caballi and T. equi multiplication in vitro with IC50 values of 98.4 ± 4.2, 64.5 ± 3.9, 45.2 ± 5.9, 46.6 ± 2.5, and 71.3 ± 2.7 µM, respectively. The CCK test was used to examine ATR's cytotoxicity and adverse effects on different animal and human cell lines, the main hosts of piroplasm parasites and it showed that ATR affected human foreskin fibroblasts (HFF), mouse embryonic fibroblast (NIH/3T3) and Madin-Darby Bovine Kidney (MDBK) cell viability in a dose-related effect with a moderate selective index. The combined efficacy of ATR with DA, CF, and AV exhibited a synergistic and additive efficacy toward all tested species. In the in vivo experiment, ATR prohibited B. microti multiplication in mice by 68.17%. The ATR-DA and ATR-AV combination chemotherapies were more potent than ATR monotherapy. These results indicate the prospects of ATR as a drug candidate for piroplasmosis treatment.
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El-Saber Batiha G, Magdy Beshbishy A, Stephen Adeyemi O, Nadwa E, Rashwan E, Yokoyama N, Igarashi I. Safety and efficacy of hydroxyurea and eflornithine against most blood parasites Babesia and Theileria. PLoS One 2020; 15:e0228996. [PMID: 32053698 PMCID: PMC7018007 DOI: 10.1371/journal.pone.0228996] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 01/27/2020] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND The plenteous resistance to and undesirable consequences of the existing antipiroplasmic therapies have emphasized the urgent need for new chemotherapeutics and drug targets for both prophylaxis and chemotherapy. Hydroxyurea (HYD) is an antineoplastic agent with antitrypanosomal activity. Eflornithine (α-difluoro-methyl ornithine, DFMO) is the best choice therapy for the treatment of late-stage Gambian human African trypanosomiasis. METHODS In this study, the inhibitory and combination efficacy of HYD and DFMO with existing babesicidal drugs (diminazene aceturate (DA), atovaquone (ATV), and clofazimine (CLF)) deoxyribonucleotide in vitro against the multiplication of Babesia and Theileria. As well as, their chemotherapeutic effects were assessed on B. microti strain that infects rodents. The Cell Counting Kits-8 (CCK-8) test was used to examine their cytotoxicity on human foreskin fibroblast (HFF), mouse embryonic fibroblast (NIH/3T3), and Madin-Darby bovine kidney (MDBK) cells. FINDINGS HYD and DFMO suppressed the multiplication of all tested species (B. bigemina, B. bovis, B. caballi, B. divergens, and T. equi) in a dose-related manner. HFF, NIH/3T3, or MDBK cell viability was not influenced by DFMO at 1000 μM, while HYD affected the MDBK cell viability at EC50 value of 887.5±14.4 μM. The in vitro combination treatments of DFMO and HYD with CLF, DA, and ATV exhibited synergistic and additive efficacy toward all tested species. The in vivo experiment revealed that HYD and DFMO oral administration at 100 and 50 mg/kg inhibited B. microti multiplication in mice by 60.1% and 78.2%, respectively. HYD-DA and DFMO-DA combined treatments showed higher chemotherapeutic efficacy than their monotherapies. CONCLUSION These results indicate the prospects of HYD and DFMO as drug candidates for piroplasmosis treatment, when combined mainly with DA, ATV, and CLF. Therefore, further studies are needed to combine HYD or DFMO with either ATV or CLF and examine their impact on B. microti infection in mice.
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Affiliation(s)
- Gaber El-Saber Batiha
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Al-Beheira, Egypt
| | - Amany Magdy Beshbishy
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
| | - Oluyomi Stephen Adeyemi
- Department of Biochemistry, Medicinal Biochemistry, Nanomedicine and Toxicology Laboratory, Landmark University, Omu-Aran, Kwara State, Nigeria
| | - Eman Nadwa
- Department of Pharmacology and Therapeutics, College of Medicine, Jouf University, Jouf, Egypt
- Department of Medical Pharmacology, Faculty of Medicine, Cairo University, Cario, Egypt
| | - Eman Rashwan
- Department of Physiology, College of Medicine, Al-Azhar University, Assuit, Egypt
- Department of Physiology, College of Medicine, Jouf University, Sakaka, Saudi Arabia
| | - Naoaki Yokoyama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
- * E-mail:
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Li Y, Liu M, Rizk MA, Moumouni PFA, Lee SH, Galon EM, Guo H, Gao Y, Li J, Beshbishy AM, Nugraha AB, Ji S, Tumwebaze MA, Benedicto B, Yokoyama N, Igarashi I, Xuan X. Drug screening of food and drug administration-approved compounds against Babesia bovis in vitro. Exp Parasitol 2020; 210:107831. [PMID: 31926147 DOI: 10.1016/j.exppara.2020.107831] [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: 09/04/2019] [Revised: 12/03/2019] [Accepted: 01/04/2020] [Indexed: 10/25/2022]
Abstract
Babesia (B.) bovis is one of the main etiological agents of bovine babesiosis, causes serious economic losses to the cattle industry. Control of bovine babesiosis has been hindered by the limited treatment selection for B. bovis, thus, new options are urgently needed. We explored the drug library and unbiasedly screened 640 food and drug administration (FDA) approved drug compounds for their inhibitory activities against B. bovis in vitro. The initial screening identified 13 potentially effective compounds. Four potent compounds, namely mycophenolic acid (MPA), pentamidine (PTD), doxorubicin hydrochloride (DBH) and vorinostat (SAHA) exhibited the lowest IC50 and then selected for further evaluation of their in vitro efficacies using viability, combination inhibitory and cytotoxicity assays. The half-maximal inhibitory concentration (IC50) values of MPA, PTD, DBH, SAHA were 11.38 ± 1.66, 13.12 ± 4.29, 1.79 ± 0.15 and 45.18 ± 7.37 μM, respectively. Of note, DBH exhibited IC50 lower than that calculated for the commonly used antibabesial drug, diminazene aceturate (DA). The viability result revealed the ability of MPA, PTD, DBH, SAHA to prevent the regrowth of treated parasite at 4 × and 2 × of IC50. Antagonistic interactions against B. bovis were observed after treatment with either MPA, PTD, DBH or SAHA in combination with DA. Our findings indicate the richness of FDA approved compounds by novel potent antibabesial candidates and the identified potent compounds especially DBH might be used for the treatment of animal babesiosis caused by B. bovis.
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Affiliation(s)
- Yongchang Li
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Mingming Liu
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan; Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, 35516, Egypt
| | - Paul Franck Adjou Moumouni
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Seung-Hun Lee
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan; College of Veterinary Medicine, Chungbuk National University, Cheongju, 28644, South Korea
| | - Eloiza May Galon
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Huanping Guo
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Yang Gao
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Jixu Li
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Amani Magdy Beshbishy
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Arifin Budiman Nugraha
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan; Faculty of Veterinary Medicine, Bogor Agricultural University, Jl. Agatis Kampus IPB Dramaga, Bogor, 16680, Indonesia
| | - Shengwei Ji
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Maria Agnes Tumwebaze
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Byamukama Benedicto
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Naoaki Yokoyama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan.
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Rizk MA, El-Sayed SAES, Nassif M, Mosqueda J, Xuan X, Igarashi I. Assay methods for in vitro and in vivo anti-Babesia drug efficacy testing: Current progress, outlook, and challenges. Vet Parasitol 2019; 279:109013. [PMID: 32070899 DOI: 10.1016/j.vetpar.2019.109013] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 12/10/2019] [Accepted: 12/12/2019] [Indexed: 02/06/2023]
Abstract
Absence of an effective high-throughput drug-screening system for Babesia parasites is considered one of the main causes for the presence of a wide gap in the treatment of animal babesiosis when compared with other hemoprotozoan diseases, such as malaria. Recently, a simple, accurate, and automatic fluorescence assay was established for large-scale anti-Babesia (B. bovis, B. bigemina, B. divergens, B. caballi and T. equi) drug screening. Such development will facilitate anti-Babesia drug discovery, especially in the post-genomic era, which will bring new chemotherapy targets with the completion of the Babesia genome sequencing project currently in progress. In this review, we present the current progress in the various assays for in vitro and in vivo anti-Babesia drug testing, as well as the challenges, highlighting new insights into the future of anti-Babesia drug screening.
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Affiliation(s)
- Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan; Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan; Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Medhat Nassif
- Department of Animal Medicine, Faculty of Veterinary Medicine, Kafrelsheikh University, Egypt
| | - Juan Mosqueda
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan; Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Avenida de las Ciencias s/n, 76230, Juriquilla, Querétaro, Mexico
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan.
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Nugraha AB, Tuvshintulga B, Guswanto A, Tayebwa DS, Rizk MA, Gantuya S, El-Saber Batiha G, Beshbishy AM, Sivakumar T, Yokoyama N, Igarashi I. Screening the Medicines for Malaria Venture Pathogen Box against piroplasm parasites. Int J Parasitol Drugs Drug Resist 2019; 10:84-90. [PMID: 31254719 PMCID: PMC6603297 DOI: 10.1016/j.ijpddr.2019.06.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Revised: 06/13/2019] [Accepted: 06/17/2019] [Indexed: 11/06/2022]
Abstract
Diminazene aceturate (DA) and imidocarb dipropionate are commonly used in livestock as antipiroplasm agents. However, toxic side effects are common in animals treated with these two drugs. Therefore, evaluations of novel therapeutic agents with high efficacy against piroplasm parasites and low toxicity to host animals are of paramount importance. In this study, the 400 compounds in the Pathogen Box provided by the Medicines for Malaria Venture foundation were screened against Babesia bovis, Babesia bigemina, Babesia caballi, and Theileria equi. A fluorescence-based method using SYBR Green 1 stain was used for initial in vitro screening and determination of the half maximal inhibitory concentration (IC50). The initial in vitro screening performed using a 1 μM concentration as baseline revealed nine effective compounds against four tested parasites. Two "hit" compounds, namely MMV021057 and MMV675968, that showed IC50 < 0.3 μM and a selectivity index (SI)> 100 were selected. The IC50s of MMV021057 and MMV675968 against B. bovis, B. bigemina, T. equi and B. caballi were 23, 39, 229, and 146 nM, and 2.9, 3, 25.7, and 2.9 nM, respectively. In addition, a combination of MMV021057 and DA showed additive or synergistic effects against four tested parasites, while combinations of MMV021057 with MMV675968 and of MMV675968 with DA showed antagonistic effects. In mice, treated with 50 mg/kg MMV021057 and 25 mg/kg MMV675968 inhibited the growth of Babesia microti by 54 and 64%, respectively, as compared to the untreated group on day 8. Interestingly, a combination treatment with 6.25 mg/kg DA and 25 mg/kg MMV021057 inhibited B. microti by 91.6%, which was a stronger inhibition than that by single treatments with 50 mg/kg MMV021057 and 25 mg/kg DA, which showed 54 and 83% inhibition, respectively. Our findings indicated that MMV021057, MMV675968, and the combination treatment with MMV021057 and DA are prospects for further development of antipiroplasm drugs.
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Affiliation(s)
- Arifin Budiman Nugraha
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture Veterinary Medicine, Nishi 2 Sen-13, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan; Department of Animal Infectious Diseases and Veterinary Public Health, Faculty of Veterinary Medicine, IPB University, Jl. Agatis, Kampus IPB Dramaga, Bogor, Jawa Barat, 16680, Indonesia
| | - Bumduuren Tuvshintulga
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture Veterinary Medicine, Nishi 2 Sen-13, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Azirwan Guswanto
- Balai Veteriner Subang (DIC Subang), Jl. Terusan Garuda 33/11 Blok Werasari Dangdeur, Subang, Jawa Barat, 41212, Indonesia
| | - Dickson Stuart Tayebwa
- (f)Research Center for Tropical Diseases and Vector Control, College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University, 7062, Kampala, Uganda
| | - Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture Veterinary Medicine, Nishi 2 Sen-13, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan; Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Sambuu Gantuya
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture Veterinary Medicine, Nishi 2 Sen-13, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Al-Beheira, 22511, Egypt
| | - Amany Magdy Beshbishy
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture Veterinary Medicine, Nishi 2 Sen-13, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Thillaiampalam Sivakumar
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture Veterinary Medicine, Nishi 2 Sen-13, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Naoaki Yokoyama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture Veterinary Medicine, Nishi 2 Sen-13, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture Veterinary Medicine, Nishi 2 Sen-13, Inada-cho, Obihiro, Hokkaido, 080-8555, Japan.
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Discovering the in vitro potent inhibitors against Babesia and Theileria parasites by repurposing the Malaria Box: A review. Vet Parasitol 2019; 274:108895. [PMID: 31494399 DOI: 10.1016/j.vetpar.2019.07.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 05/27/2019] [Accepted: 07/17/2019] [Indexed: 12/12/2022]
Abstract
There is an innovative approach to discovering and developing novel potent and safe anti-Babesia and anti-Theileria agents for the control of animal piroplasmosis. Large-scale screening of 400 compounds from a Malaria Box (a treasure trove of 400 diverse compounds with antimalarial activity has been established by Medicines for Malaria Venture) against the in vitro growth of bovine Babesia and equine Babesia and Theileria parasites was performed, and the data were published in a brief with complete dataset from 236 screens of the Malaria Box compounds. Therefore, in this review, we explored and discussed in detail the in vitro inhibitory effects of 400 antimalarial compounds (200 drug-like and 200 probe-like) from the Malaria Box against Babesia (B.) bovis, B. bigemina, B. caballi, and Theileria (T.) equi. Seventeen hits were the most interesting with regard to bovine Babesia parasites, with mean selectivity indices (SIs) greater than 300 and half maximal inhibitory concentration (IC50s) ranging from 50 to 410 nM. The most interesting compounds with regard to equine Babesia and Theileria parasites were MMV020490 and MMV020275, with mean SIs > 258.68 and >251.55, respectively, and IC50s ranging from 76 to 480 nM. Ten novel anti-B. bovis, anti-B. bigemina, anti-T. equi, and anti-B. caballi hits, MMV666093, MMV396794, MMV006706, MMV665941, MMV085203, MMV396693, MMV006787, MMV073843, MMV007092, and MMV665875, with nanomole levels of IC50 were identified. The most interesting hits were MMV396693, MMV073843, MMV666093, and MMV665875, with mean SIs greater than 307.8 and IC50s ranging from 43 to 630 nM for both bovine Babesia and equine Babesia and Theileria parasites. Screening the Malaria Box against the in vitro growth of Babesia and Theileria parasites helped with the discovery of new drugs than those traditionally used, diminazene aceturate and imidocarb dipropionate, and indicated the potential of the Malaria Box in finding new, potent antibabesial drugs.
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21
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Batiha GES, Beshbishy AM, Tayebwa DS, Adeyemi OS, Yokoyama N, Igarashi I. Evaluation of the inhibitory effect of ivermectin on the growth of Babesia and Theileria parasites in vitro and in vivo. Trop Med Health 2019; 47:42. [PMID: 31337949 PMCID: PMC6625054 DOI: 10.1186/s41182-019-0171-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 06/24/2019] [Indexed: 02/08/2023] Open
Abstract
Background Treatment is the principle way to control and eliminate piroplasmosis. The search for new chemotherapy against Babesia and Theileria has become increasingly urgent due to parasite resistance to current drugs. Ivermectin (IVM) was the world’s first endectocide, capable of killing a wide variety of parasites and vectors, both inside and outside the body. It is currently authorized to treat onchocerciasis, lymphatic filariasis, strongyloidiasis, and scabies. The current study documented the efficacy of IVM on the growth of Babesia and Theileria in vitro and in vivo. Methods The fluorescence-based assay was used for evaluating the inhibitory effect of IVM on four Babesia species, including B. bovis, B. bigemina, B. divergens, B. caballi, and Theileria equi, the combination with diminazene aceturate (DA), clofazimine (CF), and atovaquone (AQ) on in vitro cultures, and on the multiplication of a B. microti-infected mouse model. The cytotoxicity of compounds was tested on Madin–Darby bovine kidney (MDBK), mouse embryonic fibroblast (NIH/3 T3), and human foreskin fibroblast (HFF) cell lines. Results The half-maximal inhibitory concentration (IC50) values determined for IVM against B. bovis, B. bigemina, B. divergens, B. caballi, and T. equi were 53.3 ± 4.8, 98.6 ± 5.7, 30.1 ± 2.2, 43.7 ± 3.7, and 90.1 ± 8.1 μM, respectively. Toxicity assays on MDBK, NIH/3 T3, and HFF cell lines showed that IVM affected the viability of cells with a half-maximal effective concentration (EC50) of 138.9 ± 4.9, 283.8 ± 3.6, and 287.5 ± 7.6 μM, respectively. In the in vivo experiment, IVM, when administered intraperitoneally at 4 mg/kg, significantly (p < 0.05) inhibited the growth of B. microti in mice by 63%. Furthermore, combination therapies of IVM–DA, IVM–AQ, and IVM–CF at a half dose reduced the peak parasitemia of B. microti by 83.7%, 76.5%, and 74.4%, respectively. Moreover, this study confirmed the absence of B. microti DNA in groups treated with combination chemotherapy of IVM + DA and IVM + AQ 49 days after infection. Conclusions These findings suggest that IVM has the potential to be an alternative remedy for treating piroplasmosis. Electronic supplementary material The online version of this article (10.1186/s41182-019-0171-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Gaber El-Saber Batiha
- 1National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Nishi 2-13, Inada-cho, Obihiro, Hokkaido 080-8555 Japan.,2Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, El Beheira 22511 Egypt
| | - Amani Magdy Beshbishy
- 1National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Nishi 2-13, Inada-cho, Obihiro, Hokkaido 080-8555 Japan
| | - Dickson Stuart Tayebwa
- 1National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Nishi 2-13, Inada-cho, Obihiro, Hokkaido 080-8555 Japan.,3Research Center for Tick and Tick-Borne Diseases, College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University, PO Box 7062, Kampala, Uganda
| | - Oluyomi Stephen Adeyemi
- 4Medicinal Biochemistry, Nanomedicine and Toxicology Laboratory, Department of Biological Sciences, Landmark University, Omu-Aran, Kwara 251101 Nigeria
| | - Naoaki Yokoyama
- 1National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Nishi 2-13, Inada-cho, Obihiro, Hokkaido 080-8555 Japan
| | - Ikuo Igarashi
- 1National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Nishi 2-13, Inada-cho, Obihiro, Hokkaido 080-8555 Japan
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Ganchimeg D, Batbold B, Murata T, Davaapurev BO, Munkhjargal T, Tuvshintulga B, Suganuma K, Igarashi I, Buyankhishig B, Sasaki K, Batsuren D, Batkhuu J. Flavonoids isolated from the flowers of Pulsatilla flavescens and their anti-piroplasm activity. J Nat Med 2019; 73:633-640. [PMID: 30847754 DOI: 10.1007/s11418-019-01294-8] [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: 01/15/2019] [Accepted: 02/21/2019] [Indexed: 12/11/2022]
Abstract
Pulsatilla species are known as "Yargui", and their flowers are traditionally used in Mongolia as a tonic and for the treatment of inflammatory diseases. By chemical investigation of P. flavescens flowers, 21 flavonoids, including a new chalcone C-glucoside, chalconaringenin 2'-O-β-D-glucopyranosyl-5'-β-D-glucopyranoside, and two new flavanone C-glucosides, (2R)- and (2S)-naringenin 8-β-D-glucopyranosyl-4'-O-β-D-glucopyranoside, were isolated. The absolute configurations of the seven flavanone glucosides were elucidated by ECD spectra. For the isolated compounds, inhibitory activity against Babesia caballi and Theileria equi, which cause fatal diseases in horses, was estimated. Although most of the isolated chalcone and flavanone derivatives did not show any anti-piroplasm activity, all the isolated flavone and flavonol derivatives showed moderate effects against B. caballi and/or T. equi.
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Affiliation(s)
- Dorj Ganchimeg
- School of Engineering and Applied Sciences, National University of Mongolia, P.O.B.-617/46A, Ulaanbaatar, 14201, Mongolia.,School of Natural Science and Technology, Khovd University, Khovd, Khovd Province, 84000, Mongolia
| | - Badarch Batbold
- School of Engineering and Applied Sciences, National University of Mongolia, P.O.B.-617/46A, Ulaanbaatar, 14201, Mongolia
| | - Toshihiro Murata
- Department of Pharmacognosy, Tohoku Medical and Pharmaceutical University, Aoba-ku, Sendai, 981-8558, Japan.
| | - Bekh-Ochir Davaapurev
- School of Engineering and Applied Sciences, National University of Mongolia, P.O.B.-617/46A, Ulaanbaatar, 14201, Mongolia
| | - Tserendorj Munkhjargal
- National Research Center of Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada, Obihiro, Hokkaido, 080-8555, Japan.,Institute of Veterinary Medicine, Mongolian University of Life Science, Zaisan, Ulaanbaatar, 17042, Mongolia
| | - Bumduuren Tuvshintulga
- National Research Center of Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada, Obihiro, Hokkaido, 080-8555, Japan
| | - Keisuke Suganuma
- National Research Center of Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada, Obihiro, Hokkaido, 080-8555, Japan.,Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Inada, Obihiro, Hokkaido, 080-8555, Japan
| | - Ikuo Igarashi
- National Research Center of Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada, Obihiro, Hokkaido, 080-8555, Japan
| | - Buyanmandakh Buyankhishig
- Department of Pharmacognosy, Tohoku Medical and Pharmaceutical University, Aoba-ku, Sendai, 981-8558, Japan
| | - Kenroh Sasaki
- Department of Pharmacognosy, Tohoku Medical and Pharmaceutical University, Aoba-ku, Sendai, 981-8558, Japan
| | - Dulamjav Batsuren
- Institute of Chemistry and Chemical Technology, Mongolian Academy of Science, Ulaanbaatar, 210351, Mongolia
| | - Javzan Batkhuu
- School of Engineering and Applied Sciences, National University of Mongolia, P.O.B.-617/46A, Ulaanbaatar, 14201, Mongolia
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23
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El-Sayed SAES, Rizk MA, Yokoyama N, Igarashi I. Evaluation of the in vitro and in vivo inhibitory effect of thymoquinone on piroplasm parasites. Parasit Vectors 2019; 12:37. [PMID: 30651142 PMCID: PMC6335684 DOI: 10.1186/s13071-019-3296-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 01/07/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Developing new antibabesial drugs with a low toxic effect to the animal and with no resistance from Babesia parasites is in urgent demand. In this concern, the antimalarial, anticancer and antioxidant effect of thymoquinone (TQ), a phytochemical compound found in the plant Nigella sativa, has been reported. Therefore, in the present study, the antibabesial effect of this compound was evaluated on the growth of piroplasm parasites. RESULTS Significant inhibition (P < 0.05) of the in vitro growth of piroplasm parasites were observed after treatment by TQ with IC50 values of 35.41 ± 3.60, 7.35 ± 0.17, 0.28 ± 0.016, 74.05 ± 4.55 and 67.33 ± 0.94 μM for Babesia bovis, Babesia bigemina, Babesia divergens, Theileria equi and Babesia caballi, respectively. The in vitro inhibitory effect of TQ was significantly enhanced (P < 0.05) when used in combination with either diminazene aceturate on bovine Babesia and equine Babesia and Theileria cultures. In B. microti-infected mice, oral and intraperitoneal administrations of TQ showed significant (P < 0.05) inhibition of parasite growth at a dose of 70 mg/kg and 50 mg/kg, respectively, compared to the control group. CONCLUSIONS The obtained results indicate that thymoquinone might be a promising medicinal compound for use in the treatment of animal piroplasmosis.
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Affiliation(s)
- Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan.,Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan.,Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Naoaki Yokoyama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan.
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Buono F, Pacifico L, Piantedosi D, Sgroi G, Neola B, Roncoroni C, Genovese A, Rufrano D, Veneziano V. Preliminary Observations of the Effect of Garlic on Egg Shedding in Horses Naturally Infected by Intestinal Strongyles. J Equine Vet Sci 2018; 72:79-83. [PMID: 30929787 DOI: 10.1016/j.jevs.2018.10.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 09/18/2018] [Accepted: 10/26/2018] [Indexed: 10/27/2022]
Abstract
Intestinal strongyles are the most common endoparasites of horses, and anthelmintic treatments are the main strategy to control these nematodes. However, the development of anthelmintic resistance has led to a decreased efficacy of synthetic drugs, and for this reason, there is a growing interest in alternative control strategies as the use of medicinal plants. The aim of the present study was to determine the in vivo efficacy of garlic (Allium sativum) in horses naturally infected by intestinal strongyles. The field trial was conducted in a horse trotter farm in Southern Italy. Fifteen mares were selected based on fecal egg count >200 eggs per gram and allocated into three groups of five animals: fresh garlic group (FG group), animals received 40 g of fresh crushed garlic once daily for 15 days; dry garlic group (DG group), animals received 40 g of commercial dry garlic flakes food supplement once daily for 15 days; and control group (C group), not treated. Two weeks after the first administration of garlic, fecal egg count reduction test showed failure of garlic to reduce intestinal strongyles egg shedding (-11.7% and -19.4% for FG and DG groups, respectively). Red blood cell count values were in the normal ranges over the entire period of garlic administration. In our study model, the oral administration of garlic formulations has no effect on reducing the egg shedding of intestinal strongyles, and the garlic supplementation over a short period of time is not responsible for hematological changes in horses.
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Affiliation(s)
- Francesco Buono
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy.
| | - Laura Pacifico
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
| | - Diego Piantedosi
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
| | - Giovanni Sgroi
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
| | - Benedetto Neola
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, Portici, Italy
| | | | - Angelo Genovese
- Department of Biology, University of Naples, Federico II, Naples, Italy
| | - Domenico Rufrano
- CREA, Research Centre for Animal Production and Aquaculture, Bella Muro, Potenza, Italy
| | - Vincenzo Veneziano
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
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25
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Argüello-García R, de la Vega-Arnaud M, Loredo-Rodríguez IJ, Mejía-Corona AM, Melgarejo-Trejo E, Espinoza-Contreras EA, Fonseca-Liñán R, González-Robles A, Pérez-Hernández N, Ortega-Pierres MG. Activity of Thioallyl Compounds From Garlic Against Giardia duodenalis Trophozoites and in Experimental Giardiasis. Front Cell Infect Microbiol 2018; 8:353. [PMID: 30374433 PMCID: PMC6196658 DOI: 10.3389/fcimb.2018.00353] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 09/18/2018] [Indexed: 12/18/2022] Open
Abstract
Fresh aqueous extracts (AGEs) and several thioallyl compounds (TACs) from garlic have an important antimicrobial activity that likely involves their interaction with exposed thiol groups at single aminoacids or target proteins. Since these groups are present in Giardia duodenalis trophozoites, in this work we evaluated the anti-giardial activity of AGE and several garlic's TACs. In vitro susceptibility assays showed that AGE affected trophozoite viability initially by a mechanism impairing cell integrity and oxidoreductase activities while diesterase activities were abrogated at higher AGE concentrations. The giardicidal activities of seven TACs were related to the molecular descriptor HOMO (Highest Occupied Molecular Orbital) energy and with their capacity to modify the -SH groups exposed in giardial proteins. Interestingly, the activity of several cysteine proteases in trophozoite lysates was inhibited by representative TACs as well as the cytopathic effect of the virulence factor giardipain-1. Of these, allicin showed the highest anti-giardial activity, the lower HOMO value, the highest thiol-modifying activity and the greatest inhibition of cysteine proteases. Allicin had a cytolytic mechanism in trophozoites with subsequent impairment of diesterase and oxidoreductase activities in a similar way to AGE. In addition, by electron microscopy a marked destruction of plasma membrane and endomembranes was observed in allicin-treated trophozoites while cytoskeletal elements were not affected. In further flow cytometry analyses pro-apoptotic effects of allicin concomitant to partial cell cycle arrest at G2 phase with the absence of oxidative stress were observed. In experimental infections of gerbils, the intragastric administration of AGE or allicin decreased parasite numbers and eliminated trophozoites in experimentally infected animals, respectively. These data suggest a potential use of TACs from garlic against G. duodenalis and in the treatment of giardiasis along with their additional benefits in the host's health.
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Affiliation(s)
- Raúl Argüello-García
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Mariana de la Vega-Arnaud
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Iraís J. Loredo-Rodríguez
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Adriana M. Mejía-Corona
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Elizabeth Melgarejo-Trejo
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Eulogia A. Espinoza-Contreras
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Rocío Fonseca-Liñán
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Arturo González-Robles
- Departamento de Infectómica y Patogénesis Experimental, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Nury Pérez-Hernández
- Escuela Nacional de Medicina y Homeopatía, Instituto Politécnico Nacional, Mexico City, Mexico
| | - M. Guadalupe Ortega-Pierres
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
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26
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Rizk MA, AbouLaila M, El-Sayed SAES, Guswanto A, Yokoyama N, Igarashi I. Inhibitory effects of fluoroquinolone antibiotics on Babesia divergens and Babesia microti, blood parasites of veterinary and zoonotic importance. Infect Drug Resist 2018; 11:1605-1615. [PMID: 30310296 PMCID: PMC6166754 DOI: 10.2147/idr.s159519] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Aim This study aimed to evaluate the inhibitory effects of fluoroquinolone antibiotics, including enrofloxacin, enoxacin, trovafloxacin, norfloxacin, and ofloxacin, on the in vitro and in vivo growth of Babesia divergens and Babesia microti parasites, respectively. Materials and methods The in vitro and in vivo inhibitory effects of fluoroquinolone antibiotics against B. divergens and B. microti, respectively were evaluated using fluorescence-based assay. Additionally, combination therapies of highly effective fluoroquinolone antibiotics (enrofloxacin, enoxacin, and trovafloxacin) with diminazene aceturate, luteolin, or pyronaridine tetraphosphate were tested on the in vitro cultures of B. divergens. Results Enrofloxacin, trovafloxacin, and enoxacin were the most effective fluoroquinolones against the in vitro growth of B. divergens, followed by norfloxacin and ofloxacin. Furthermore, a combination of enoxacin or trovafloxacin with either diminazene aceturate, luteolin, or pyronaridine tetraphosphate significantly enhanced the inhibitory effect on the growth of B. divergens in in vitro cultures. In mice infected by B. microti, enoxacin and diminazene aceturate combination therapy exhibited a potential antibabesial effect. Conclusion These results suggest that safe and cheap fluoroquinolone, such as enoxacin, might be used for the treatment of clinical cases caused by Babesia spp. in animals or humans.
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Affiliation(s)
- Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan, .,Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Mahmoud AbouLaila
- Department of Parasitology and Pathology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, ElBehera, Egypt
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan, .,Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Azirwan Guswanto
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan, .,Veterinary Services Section, Disease Investigation Center, Subang, West Java, Indonesia
| | - Naoaki Yokoyama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan,
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan,
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Dai P, Luo K, Yu X, Yang WC, Wu L, Zhang WH. Tert-Butyl Nitrite Mediated Expeditious Methylsulfoxidation of Tetrazole-amines with DMSO: Metal-free Synthesis of Antifungal Active Methylsulfinyl-1H-tetrazole Derivatives. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701364] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Peng Dai
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences; Nanjing Agricultural University; Nanjing 210095 People's Republic of China, Tel/Fax: +86-25-84395351
| | - Kai Luo
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences; Nanjing Agricultural University; Nanjing 210095 People's Republic of China, Tel/Fax: +86-25-84395351
- College of Life Sciences; Nanjing Agricultural University, Nanjing 210095; People's Republic of China
| | - Xiang Yu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences; Nanjing Agricultural University; Nanjing 210095 People's Republic of China, Tel/Fax: +86-25-84395351
| | - Wen-Chao Yang
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences; Nanjing Agricultural University; Nanjing 210095 People's Republic of China, Tel/Fax: +86-25-84395351
| | - Lei Wu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences; Nanjing Agricultural University; Nanjing 210095 People's Republic of China, Tel/Fax: +86-25-84395351
- Beijing National Laboratory for Molecular Sciences and Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
| | - Wei-Hua Zhang
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences; Nanjing Agricultural University; Nanjing 210095 People's Republic of China, Tel/Fax: +86-25-84395351
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Rizk MA, El-Sayed SAES, AbouLaila M, Eltaysh R, Yokoyama N, Igarashi I. Performance and consistency of a fluorescence-based high-throughput screening assay for use in Babesia drug screening in mice. Sci Rep 2017; 7:12774. [PMID: 29038534 PMCID: PMC5643553 DOI: 10.1038/s41598-017-13052-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 09/18/2017] [Indexed: 12/02/2022] Open
Abstract
In this study, we evaluated the validity of a fluorescence-based assay using SYBR Green I (SG I) stain for screening antibabesial compounds against B. microti in mice. Two different hematocrits (HCTs; 2.5% and 5%) were used. Correlating relative fluorescence units (RFUs) with parasitemia showed significant linear relationships with R2 values of 0.97 and 0.99 at HCTs of 2.5% and 5%, respectively. Meanwhile, the Z′ factors in a high-throughput screening (HTS) assay were within the permissible limit (≥0.5) at 2.5% HCT and lower than this value at 5% HCT. Taken together, the highest signal-to-noise (S/N) ratios were obtained at 2.5% HCT; therefore, we concluded that 2.5% was the best HCT for applying fluorescence assay in antibabesial drug screening in mice. Additionally, positive control mice and those treated with diminazene aceturate, pyronaridine tetraphosphate, and an allicin/diminazene aceturate combination showed peak parasitemia and fluorescence values on the same day post-inoculation. Moreover, using different concentrations of SG I revealed that the optimal concentration was 2x. In summary, considering that all experiments were applied under optimal laboratory conditions, fluorescence assay at 2.5% HCT using 2x SG I for B. microti parasite offers a novel approach for drug screening in mice.
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Affiliation(s)
- Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, 080-8555, Japan.,Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, 080-8555, Japan.,Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Mahmoud AbouLaila
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, 080-8555, Japan.,Department of Parasitology, Faculty of Veterinary Medicine, University of Sadat City, Sadat City, 32511, Minoufiya, Egypt
| | - Rasha Eltaysh
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, 080-8555, Japan.,Department of Pharmacology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Naoaki Yokoyama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, 080-8555, Japan
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, 080-8555, Japan.
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Badral D, Odonbayar B, Murata T, Munkhjargal T, Tuvshintulga B, Igarashi I, Suganuma K, Inoue N, Brantner AH, Odontuya G, Sasaki K, Batkhuu J. Flavonoid and Galloyl Glycosides Isolated from Saxifraga spinulosa and Their Antioxidative and Inhibitory Activities against Species That Cause Piroplasmosis. JOURNAL OF NATURAL PRODUCTS 2017; 80:2416-2423. [PMID: 28832147 DOI: 10.1021/acs.jnatprod.7b00142] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Eight new flavonoid-based 3'-O-β-d-glucopyranosides (1-8) and three new galloyl glucosides (9, 11, 12), were isolated from the aerial parts of Saxifraga spinulosa, along with 25 known compounds. The structures of the new compounds were elucidated by spectroscopic methods. Most of the isolated compounds exhibited potent DPPH radical-scavenging activities. Further, their inhibitory activities were evaluated against Babesia bovis, Babesia bigemina, Babesia caballi, and Theileria equi, protozoan parasites that cause piroplasmosis in livestock. The results indicated that several of these compounds showed growth-inhibitory effects on such organisms that cause piroplasmosis.
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Affiliation(s)
- Duger Badral
- School of Engineering and Applied Sciences, National University of Mongolia , Ulaanbaatar 14201, Mongolia
- Mongolian University of Pharmaceutical Sciences , Ulaanbaatar 18130, Mongolia
| | - Batsukh Odonbayar
- Department of Pharmacognosy, Tohoku Medical and Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
| | - Toshihiro Murata
- Department of Pharmacognosy, Tohoku Medical and Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
| | | | | | | | | | - Noboru Inoue
- Obihiro University of Agriculture and Veterinary Medicine , Inada, Obihiro, Hokkaido 080-8555, Japan
| | - Adelheid H Brantner
- Department of Pharmacognosy, Institute of Pharmaceutical Sciences, Karl-Franzens University , Graz 8010, Austria
| | - Gendaram Odontuya
- Natural Product Chemistry Laboratory, Institute of Chemistry and Chemical Technology, Mongolian Academy of Sciences , Ulaanbaatar 13330, Mongolia
| | - Kenroh Sasaki
- Department of Pharmacognosy, Tohoku Medical and Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
| | - Javzan Batkhuu
- School of Engineering and Applied Sciences, National University of Mongolia , Ulaanbaatar 14201, Mongolia
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Petropoulos S, Di Gioia F, Ntatsi G. Vegetable Organosulfur Compounds and their Health Promoting Effects. Curr Pharm Des 2017; 23:2850-2875. [DOI: 10.2174/1381612823666170111100531] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 01/03/2017] [Indexed: 12/11/2022]
Affiliation(s)
- Spyridon Petropoulos
- University of Thessaly, School of Agricultural Sciences, Fytokou Street, 38446, N. Ionia, Magnissia, Greece
| | - Francesco Di Gioia
- Institute of Food and Agricultural Sciences, South West Florida Research and Education Center, University of Florida, Immokalee, Florida
| | - Georgia Ntatsi
- Faculty of Crop Science, Agricultural University of Athens, Athens, Greece
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31
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Rizk MA, El-Sayed SAES, AbouLaila M, Yokoyama N, Igarashi I. Evaluation of the inhibitory effect of N-acetyl-L-cysteine on Babesia and Theileria parasites. Exp Parasitol 2017; 179:43-48. [PMID: 28655583 DOI: 10.1016/j.exppara.2017.06.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 05/31/2017] [Accepted: 06/23/2017] [Indexed: 12/21/2022]
Abstract
N-acetyl-L-cysteine is known to have antibacterial, antiviral, antimalarial, and antioxidant activities. Therefore, the in vitro inhibitory effect of this hit was evaluated in the present study on the growth of Babesia and Theileria parasites. The in vitro growth of Babesia bovis, Babesia bigemina, Babesia divergens, Theileria equi, and Babesia caballi that were tested was significantly inhibited (P < 0.05) by micromolar concentrations of N-acetyl-L-cysteine. The inhibitory effect of N-acetyl-L-cysteine was synergistically potentiated when used in combination with diminazene aceturate on B. bovis and B. caballi cultures. These results indicate that N-acetyl-L-cysteine might be used as a drug for the treatment of babesiosis, especially when used in combination with diminazene aceturate.
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Affiliation(s)
- Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan; Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan; Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mahmoud AbouLaila
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sadat City, Sadat City 32511, Minoufiya, Egypt
| | - Naoaki Yokoyama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan.
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32
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Open Source Drug Discovery with the Malaria Box Compound Collection for Neglected Diseases and Beyond. PLoS Pathog 2016; 12:e1005763. [PMID: 27467575 PMCID: PMC4965013 DOI: 10.1371/journal.ppat.1005763] [Citation(s) in RCA: 205] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 06/21/2016] [Indexed: 01/22/2023] Open
Abstract
A major cause of the paucity of new starting points for drug discovery is the lack of interaction between academia and industry. Much of the global resource in biology is present in universities, whereas the focus of medicinal chemistry is still largely within industry. Open source drug discovery, with sharing of information, is clearly a first step towards overcoming this gap. But the interface could especially be bridged through a scale-up of open sharing of physical compounds, which would accelerate the finding of new starting points for drug discovery. The Medicines for Malaria Venture Malaria Box is a collection of over 400 compounds representing families of structures identified in phenotypic screens of pharmaceutical and academic libraries against the Plasmodium falciparum malaria parasite. The set has now been distributed to almost 200 research groups globally in the last two years, with the only stipulation that information from the screens is deposited in the public domain. This paper reports for the first time on 236 screens that have been carried out against the Malaria Box and compares these results with 55 assays that were previously published, in a format that allows a meta-analysis of the combined dataset. The combined biochemical and cellular assays presented here suggest mechanisms of action for 135 (34%) of the compounds active in killing multiple life-cycle stages of the malaria parasite, including asexual blood, liver, gametocyte, gametes and insect ookinete stages. In addition, many compounds demonstrated activity against other pathogens, showing hits in assays with 16 protozoa, 7 helminths, 9 bacterial and mycobacterial species, the dengue fever mosquito vector, and the NCI60 human cancer cell line panel of 60 human tumor cell lines. Toxicological, pharmacokinetic and metabolic properties were collected on all the compounds, assisting in the selection of the most promising candidates for murine proof-of-concept experiments and medicinal chemistry programs. The data for all of these assays are presented and analyzed to show how outstanding leads for many indications can be selected. These results reveal the immense potential for translating the dispersed expertise in biological assays involving human pathogens into drug discovery starting points, by providing open access to new families of molecules, and emphasize how a small additional investment made to help acquire and distribute compounds, and sharing the data, can catalyze drug discovery for dozens of different indications. Another lesson is that when multiple screens from different groups are run on the same library, results can be integrated quickly to select the most valuable starting points for subsequent medicinal chemistry efforts. Malaria leads to the loss of over 440,000 lives annually; accelerating research to discover new candidate drugs is a priority. Medicines for Malaria Venture (MMV) has distilled over 25,000 compounds that kill malaria parasites in vitro into a group of 400 representative compounds, called the "Malaria Box". These Malaria Box sets were distributed free-of-charge to research laboratories in 30 different countries that work on a wide variety of pathogens. Fifty-five groups compiled >290 assay results for this paper describing the many activities of the Malaria Box compounds. The collective results suggest a potential mechanism of action for over 130 compounds against malaria and illuminate the most promising compounds for further malaria drug development research. Excitingly some of these compounds also showed outstanding activity against other disease agents including fungi, bacteria, other single-cellular parasites, worms, and even human cancer cells. The results have ignited over 30 drug development programs for a variety of diseases. This open access effort was so successful that MMV has begun to distribute another set of compounds with initial activity against a wider range of infectious agents that are of public health concern, called the Pathogen Box, available now to scientific labs all over the world (www.PathogenBox.org).
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Clofazimine Inhibits the Growth of Babesia and Theileria Parasites In Vitro and In Vivo. Antimicrob Agents Chemother 2016; 60:2739-46. [PMID: 26883713 DOI: 10.1128/aac.01614-15] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Accepted: 02/12/2016] [Indexed: 11/20/2022] Open
Abstract
The present study evaluated the growth-inhibitory effects of clofazimine, currently used for treating leprosy, against Babesia bovis, B. bigemina, B. caballi, and Theileria equi in in vitro culture and against Babesia microti in mice. The 50% inhibitory concentrations (IC50s) of clofazimine against the in vitro growth of B. bovis, B. bigemina, B. caballi, and T. equi were 4.5, 3, 4.3, and 0.29 μM, respectively. In mice infected with B. microti, treatment with 20 mg/kg of body weight of clofazimine administered orally resulted in a significantly lower peak parasitemia (5.3%) than that in the control group (45.9%), which was comparable to the subcutaneous administration of 25 mg/kg diminazene aceturate, the most widely used treatment for animal piroplasmosis. Although slight anemia was observed in both clofazimine- and diminazene aceturate-treated infected mice, the level and duration of anemia were lower and shorter, respectively, than those in untreated infected mice. Using blood transfusions and PCR, we also examined whether clofazimine completely killed B. microti On day 40 postinfection, when blood analysis was performed, parasites were not found in blood smears; however, the DNA of B. microti was detected in the blood of clofazimine-treated animals and in several tissues of clofazimine- and diminazene aceturate-treated mice by PCR. The growth of parasites was observed in mice after blood transfusions from clofazimine-treated mice. In conclusion, clofazimine showed excellent inhibitory effects against Babesia and Theileria in vitro and in vivo, and further study on clofazimine is required for the future development of a novel chemotherapy with high efficacy and safety against animal piroplasmosis and, possibly, human babesiosis.
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Pramanik MMD, Rastogi N. Visible light catalyzed methylsulfoxidation of (het)aryl diazonium salts using DMSO. Chem Commun (Camb) 2016; 52:8557-60. [DOI: 10.1039/c6cc04142f] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The visible light catalyzed methylsulfoxidation of (het)aryl diazonium salts using DMSO is illustrated.
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Affiliation(s)
- Mukund M. D. Pramanik
- Medicinal & Process Chemistry Division
- CSIR-Central Drug Research Institute
- Sector 10
- Jankipuram Extension
- Lucknow 226031
| | - Namrata Rastogi
- Medicinal & Process Chemistry Division
- CSIR-Central Drug Research Institute
- Sector 10
- Jankipuram Extension
- Lucknow 226031
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35
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Theoretical studies on the molecular structure, conformational preferences, topological and vibrational analysis of allicin. Chem Phys Lett 2016. [DOI: 10.1016/j.cplett.2015.11.038] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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36
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Foroutan-Rad M, Tappeh KH, Khademvatan S. Antileishmanial and Immunomodulatory Activity of Allium sativum (Garlic): A Review. J Evid Based Complementary Altern Med 2015; 22:141-155. [PMID: 26721553 DOI: 10.1177/2156587215623126] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 11/10/2015] [Accepted: 11/16/2015] [Indexed: 01/07/2023] Open
Abstract
Leishmaniasis is caused by an obligate intracellular protozoa belonging to Leishmania genus. The current drugs for treatment of leishmaniasis possess many disadvantages; therefore, researchers are continuously looking for the more effective and safer drugs. The aim of this study is to review the effectiveness, toxicities, and possible mechanisms of pharmaceutical actions of different garlic extracts and organosulfur compounds isolated from garlic against Leishmania spp. in a variety of in vitro, in vivo and clinical trials reports. All relevant databases were searched using the terms "Allium sativum," "Garlic," "Allicin," "Ajoene," "Leishmania," "in vitro," "in vivo," and "clinical trial," alone or in combination from 5 English databases (Web of Science, PubMed, Science Direct, Scopus, Google Scholar) and 3 Persian databases (Scientific Information Database, Iran Medex, and Magiran) from 1990 to 2014. In summary, garlic with immunomodulatory effects and apoptosis induction contributes to the treatment of leishmaniasis.
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Affiliation(s)
- Masoud Foroutan-Rad
- Department of Medical Parasitology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Khosrow Hazrati Tappeh
- Cellular and Molecular Research Center and Department of Medical Parasitology and Mycology, Urmia University of Medical Sciences, Urmia, Iran
| | - Shahram Khademvatan
- Cellular and Molecular Research Center and Department of Medical Parasitology and Mycology, Urmia University of Medical Sciences, Urmia, Iran
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37
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Omar MA, Salama A, Elsify A, Rizk MA, Al-Aboody MS, AbouLaila M, El-Sayed SAES, Igarashi I. Evaluation of in vitro inhibitory effect of enoxacin on Babesia and Theileria parasites. Exp Parasitol 2015; 161:62-7. [PMID: 26724376 DOI: 10.1016/j.exppara.2015.12.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 12/02/2015] [Accepted: 12/22/2015] [Indexed: 10/22/2022]
Abstract
Enoxacin is a broad-spectrum 6-fluoronaphthyridinone antibacterial agent (fluoroquinolones) structurally related to nalidixic acid used mainly in the treatment of urinary tract infections and gonorrhea. Also it has been shown recently that it may have cancer inhibiting effect. The primary antibabesial effect of Enoxacin is due to inhibition of DNA gyrase subunit A, and DNA topoisomerase. In the present study, enoxacin was tested as a potent inhibitor against the in vitro growth of bovine and equine Piroplasms. The in vitro growth of five Babesia species that were tested was significantly inhibited (P < 0.05) by micro molar concentrations of enoxacin (IC50 values = 33.5, 15.2, 7.5 and 23.2 μM for Babesia bovis, Babesia bigemina, Babesia caballi, and Theileria equi, respectively). Enoxacin IC50 values for Babesia and Theileria parasites were satisfactory as the drug is potent antibacterial drug with minimum side effects. Therefore, enoxacin might be used for treatment of Babesiosis and Theileriosis especially in case of mixed infections with bacterial diseases or incase of animal sensitivity against diminazin toxicity.
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Affiliation(s)
- Mosaab A Omar
- Department of Parasitology, Faculty of Veterinary Medicine, SouthValley University, Qena 83523, Egypt; Department of Medical Laboratories, College of Science Al-Zulfi, AlMajmaah University, Alzulfi 11932, Riyadh, Saudi Arabia.
| | - Akram Salama
- Department of Animal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, University of Sadat City, Sadat City 32897, Minoufiya, Egypt
| | - Ahmed Elsify
- Department of Animal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, University of Sadat City, Sadat City 32897, Minoufiya, Egypt
| | - Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan; Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Mohammad Saleh Al-Aboody
- Department of Medical Laboratories, College of Science Al-Zulfi, AlMajmaah University, Alzulfi 11932, Riyadh, Saudi Arabia
| | - Mahmoud AbouLaila
- Department of Parasitology, Faculty of Veterinary Medicine, Sadat City University, Sadat City 32897, Minoufiya, Egypt
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan; Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan
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Diminazene aceturate—An antiparasitic drug of antiquity: Advances in pharmacology & therapeutics. Pharmacol Res 2015; 102:138-57. [DOI: 10.1016/j.phrs.2015.10.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 09/28/2015] [Accepted: 10/09/2015] [Indexed: 12/31/2022]
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Wu K, Guo C, Wu X, Su M. Ameliorative effectiveness of allicin on acetaminophen-induced acute liver damage in mice. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.08.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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40
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Estevam EC, Griffin S, Nasim MJ, Zieliński D, Aszyk J, Osowicka M, Dawidowska N, Idroes R, Bartoszek A, Jacob C. Inspired by Nature: The use of Plant-derived Substrate/Enzyme Combinations to Generate Antimicrobial Activity in situ. Nat Prod Commun 2015. [DOI: 10.1177/1934578x1501001025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
The last decade has witnessed a renewed interest in antimicrobial agents. Plants have received particular attention and frequently rely on the spontaneous enzymatic conversion of an inactive precursor to an active agent. Such two-component substrate/enzyme defence systems can be reconstituted ex vivo. Here, the alliin/alliinase system from garlic seems to be rather effective against Saccharomyces cerevisiae, whilst the glucosinolate/myrosinase system from mustard appears to be more active against certain bacteria. Studies with myrosinase also confirm that enzyme and substrate can be added sequentially. Ultimately, such binary systems hold considerable promise and may be employed in a medical or agricultural context.
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Affiliation(s)
| | - Sharoon Griffin
- Bioorganic Chemistry, Department of Pharmacy, Saarland University, Saarbruecken, Saarland, Germany
| | - Muhammad Jawad Nasim
- Bioorganic Chemistry, Department of Pharmacy, Saarland University, Saarbruecken, Saarland, Germany
| | - Dariusz Zieliński
- Department of Food Chemistry, Technology and Biotechnology, Chemical Faculty, Gdansk University of Technology, Gdansk, Poland
| | - Justyna Aszyk
- Department of Food Chemistry, Technology and Biotechnology, Chemical Faculty, Gdansk University of Technology, Gdansk, Poland
| | - Magdalena Osowicka
- Department of Food Chemistry, Technology and Biotechnology, Chemical Faculty, Gdansk University of Technology, Gdansk, Poland
| | - Natalia Dawidowska
- Department of Food Chemistry, Technology and Biotechnology, Chemical Faculty, Gdansk University of Technology, Gdansk, Poland
| | - Rinaldi Idroes
- Pharmacy Department, Chemistry Department, Syiah Kuala University, Banda Aceh, Indonesia
| | - Agnieszka Bartoszek
- Department of Food Chemistry, Technology and Biotechnology, Chemical Faculty, Gdansk University of Technology, Gdansk, Poland
| | - Claus Jacob
- Bioorganic Chemistry, Department of Pharmacy, Saarland University, Saarbruecken, Saarland, Germany
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Lim SB, Shin SY, Moon JS, Otgonbayar GE, Joo W, Lee SJ, Jeon CO, Han NS. Garlic is a source of major lactic acid bacteria for early-stage fermentation of cabbage-kimchi. Food Sci Biotechnol 2015. [DOI: 10.1007/s10068-015-0184-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Hines SA, Ramsay JD, Kappmeyer LS, Lau AO, Ojo KK, Van Voorhis WC, Knowles DP, Mealey RH. Theileria equi isolates vary in susceptibility to imidocarb dipropionate but demonstrate uniform in vitro susceptibility to a bumped kinase inhibitor. Parasit Vectors 2015; 8:33. [PMID: 25600252 PMCID: PMC4311422 DOI: 10.1186/s13071-014-0611-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Accepted: 12/17/2014] [Indexed: 11/29/2022] Open
Abstract
Background The apicomplexan hemoparasite Theileria equi is a causative agent of equine piroplasmosis, eradicated from the United States in 1988. However, recent outbreaks have sparked renewed interest in treatment options for infected horses. Imidocarb dipropionate is the current drug of choice, however variation in clinical response to therapy has been observed. Methods We quantified the in vitro susceptibility of two T. equi isolates and a lab generated variant to both imidocarb dipropionate and a bumped kinase inhibitor compound 1294. We also evaluated the capacity of in vitro imidocarb dipropionate exposure to decrease susceptibility to that drug. The efficacy of imidocarb dipropionate for clearing infection in four T. equi infected ponies was also assessed. Results We observed an almost four-fold difference in imidocarb dipropionate susceptibility between two distinct isolates of T. equi. Four ponies infected with the less susceptible USDA Florida strain failed to clear the parasite despite two rounds of treatment. Importantly, a further 15-fold decrease in susceptibility was produced in this strain by continuous in vitro imidocarb dipropionate exposure. Despite a demonstrated difference in imidocarb dipropionate susceptibility, there was no difference in the susceptibility of two T. equi isolates to bumped kinase inhibitor 1294. Conclusions The observed variation in imidocarb dipropionate susceptibility, further reduction in susceptibility caused by drug exposure in vitro, and failure to clear T. equi infection in vivo, raises concern for the emergence of drug resistance in clinical cases undergoing treatment. Bumped kinase inhibitors may be effective as alternative drugs for the treatment of resistant T. equi parasites.
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Affiliation(s)
- Siddra A Hines
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164-7040, USA.
| | - Joshua D Ramsay
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164-7040, USA.
| | - Lowell S Kappmeyer
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164-7040, USA. .,Animal Disease Research Unit, Agricultural Research Service, USDA, Pullman, WA, 99164-6630, USA.
| | - Audrey Ot Lau
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164-7040, USA.
| | - Kayode K Ojo
- Division of Allergy and Infectious Diseases and Center for Emerging and Re-emerging Infectious Diseases, School of Medicine, University of Washington, Seattle, WA, 98109-4766, USA.
| | - Wesley C Van Voorhis
- Division of Allergy and Infectious Diseases and Center for Emerging and Re-emerging Infectious Diseases, School of Medicine, University of Washington, Seattle, WA, 98109-4766, USA.
| | - Donald P Knowles
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164-7040, USA. .,Animal Disease Research Unit, Agricultural Research Service, USDA, Pullman, WA, 99164-6630, USA.
| | - Robert H Mealey
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA, 99164-7040, USA.
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