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Guerra RO, do Carmo Neto JR, da Silva PEF, Franco PIR, Barbosa RM, de Albuquerque Martins T, Costa-Madeira J, de Assunção TSF, de Oliveira CJF, Machado JR, Silva Teixeira LDA, Rodrigues WF, Júnior VR, Silva ACA, da Silva MV. Metallic nanoparticles and treatment of cutaneous leishmaniasis: A systematic review. J Trace Elem Med Biol 2024; 83:127404. [PMID: 38364464 DOI: 10.1016/j.jtemb.2024.127404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 01/22/2024] [Accepted: 01/29/2024] [Indexed: 02/18/2024]
Abstract
BACKGROUND Cutaneous leishmaniasis (LC) is an infectious vector-borne disease caused by parasites belonging to the genus Leishmania. Metallic nanoparticles (MNPs) have been investigated as alternatives for the treatment of LC owing to their small size and high surface area. Here, we aimed to evaluate the effect of MNPs in the treatment of LC through experimental, in vitro and in vivo investigations. METHODS The databases used were MEDLINE/ PubMed, Scopus, Web of Science, Embase, and Science Direct. Manual searches of the reference lists of the included studies and grey literature were also performed. English language and experimental in vitro and in vivo studies using different Leishmania species, both related to MNP treatment, were included. This study was registered in PROSPERO (CRD42021248245). RESULTS A total of 93 articles were included. Silver nanoparticles are the most studied MNPs, and L. tropica is the most studied species. Among the mechanisms of action of MNPs in vitro, we highlight the production of reactive oxygen species, direct contact of MNPs with the biomolecules of the parasite, and release of metal ions. CONCLUSION MNPs may be considered a promising alternative for the treatment of LC, but further studies are needed to define their efficacy and safety.
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Affiliation(s)
- Rhanoica Oliveira Guerra
- Department of Biochemistry and Immunology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, SP, Brazil
| | - José Rodrigues do Carmo Neto
- Department of Bioscience and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiania, Goiás, Brazil.
| | - Priscilla Elias Ferreira da Silva
- Post Graduation Course of Tropical Medicine and Infectology, Institute of Healthy Science´s, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Pablo Igor Ribeiro Franco
- Department of Bioscience and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiania, Goiás, Brazil
| | - Rafaela Miranda Barbosa
- Department of Basic and Applied Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Tarcísio de Albuquerque Martins
- Post-Graduation Course of Healthy Science, Institute of Healthy Science, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Juliana Costa-Madeira
- Department of Biochemistry and Immunology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, SP, Brazil
| | - Thais Soares Farnesi de Assunção
- Post Graduation Course of Tropical Medicine and Infectology, Institute of Healthy Science´s, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | | | - Juliana Reis Machado
- Department of General Pathology, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Luciana de Almeida Silva Teixeira
- Department of Internal Medicine, Institute of Healthy Science, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Wellington Francisco Rodrigues
- Post-Graduation Course of Healthy Science, Institute of Healthy Science, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Virmondes Rodrigues Júnior
- Department of Microbiology, Immunology and Parasitology, Institute of Biological and Natural Sciences, Brazil
| | - Anielle Christine Almeida Silva
- Laboratory of New Nanostructured and Functional Materials, Physics Institute, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | - Marcos Vinicius da Silva
- Department of Microbiology, Immunology and Parasitology, Institute of Biological and Natural Sciences, Brazil.
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In vitro leishmanicidal activity of two cholesterol derivatives. World J Microbiol Biotechnol 2022; 38:66. [PMID: 35246768 DOI: 10.1007/s11274-022-03248-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 02/11/2022] [Indexed: 10/18/2022]
Abstract
We evaluated the leishmanicidal activity of commercially available 5α-cholest-7-en-3β-ol [5α-chol], (+)-4-cholesten-3-one [(+)-4-chol] and the equimolar mixture of the two of them in promastigotes and amastigotes of two different strains of Leishmania mexicana (LCL) and (DCL). The leishmanicidal effectiveness of these sterols was determined by promastigote growth-kinetic experiments and promastigote viability using the propidium iodide staining procedure. The proliferation test was performed using the CFSE (5-Carboxyfluorescein N-succinimidyl ester) staining of parasites at different time points. To determine the leishmanicidal effectiveness of these sterols in amastigotes, we evaluated parasite killing inside of macrophages at different time points. The trypan blue exclusion test was used to determine cytotoxicity of sterols in uninfected macrophages. We included in all experiments a control group of parasites treated with 2% DMSO (Dimethyl Sulfoxide) and another one treated with the reference drug sodium stibogluconate (Sb). Our results showed that the equimolar mixture at 2000 times lower concentration presented similar leishmanicidal activity as Sb. This mixture was similarly effective at 100 times lower concentration than individual sterols tested separately indicating the existence of a synergistic effect against LCL and DCL parasites. The therapeutic index of the equimolar mixture was 10,000-16,000 times higher than the one recorded by Sb and was not cytotoxic to macrophages. Therefore, the equimolar mixture of 5α-Chol and (+)-4-chol may represent a potential alternative for the treatment of cutaneous leishmaniasis.
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Guerra RO, do Carmo Neto JR, de Albuquerque Martins T, Farnesi-de-Assunção TS, Junior VR, de Oliveira CJF, Silva ACA, da Silva MV. Metallic Nanoparticles: A New Frontier in the Fight Against Leishmaniasis. Curr Med Chem 2022; 29:4547-4573. [DOI: 10.2174/0929867329666220225111052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 12/29/2021] [Accepted: 01/01/2022] [Indexed: 11/22/2022]
Abstract
Abstract:
Leishmaniasis is a cutaneous, mucocutaneous, or visceral parasitic disease caused by protozoa of the Leishmania genus. According to the World Health Organization, Leishmaniasis causes approximately 20–40 thousand deaths annually, and Brazil, India, and some countries in Africa are the most affected by this neglected disease. In addition to parasite’s ability to evade the host’s immune system, the incidence of vectors, the genetics of different hosts, and the large number of deaths are mainly due to failures in conventional treatments that have high toxicity, low effectiveness, and prolonged therapeutic regimens. Thus, the development of new alternative therapeutics with more effective and safer actions has become one of the main challenges for researchers studying leishmaniasis. Among the many research and tested options, metallic nanoparticles, such as gold, silver, zinc oxide, and titanium dioxide, have been shown to be one of the most promising therapeutic tool because they are easily prepared and chemically modified, have a broad spectrum of action, low toxicity, and can generate reactive oxygen species and other immune responses that favor their use against different species of Leishmania. This review explores the progress of the use of metallic nanoparticles as a new tool in the treatment of leishmaniasis, as well as discusses the gaps in knowledge that need to be addressed to consolidate a safe, effective, and definitive therapeutic intervention against these infections.
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Affiliation(s)
- Rhanoica Oliveira Guerra
- Department of Microbiology, Immunology and Parasitology, Institute of Biological and Natural Sciences of Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - José Rodrigues do Carmo Neto
- Department of Bioscience and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goias, Goiania, GO, Brazil
| | - Tarcísio de Albuquerque Martins
- Department of Microbiology, Immunology and Parasitology, Institute of Biological and Natural Sciences of Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Thaís Soares Farnesi-de-Assunção
- Department of Microbiology, Immunology and Parasitology, Institute of Biological and Natural Sciences of Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Virmondes Rodrigues Junior
- Department of Microbiology, Immunology and Parasitology, Institute of Biological and Natural Sciences of Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Carlo José Freire de Oliveira
- Department of Microbiology, Immunology and Parasitology, Institute of Biological and Natural Sciences of Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Anielle Christine Almeida Silva
- Laboratório de Novos Materiais Nanoestruturados e Funcionais (LNMIS), Physics Institute, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | - Marcos Vinicius da Silva
- Department of Microbiology, Immunology and Parasitology, Institute of Biological and Natural Sciences of Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
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Want MY, Yadav P, Khan R, Chouhan G, Islamuddin M, Aloyouni SY, Chattopadhyay AP, AlOmar SY, Afrin F. Critical Antileishmanial in vitro Effects of Highly Examined Gold Nanoparticles. Int J Nanomedicine 2021; 16:7285-7295. [PMID: 34737566 PMCID: PMC8560327 DOI: 10.2147/ijn.s268548] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 09/15/2021] [Indexed: 11/23/2022] Open
Abstract
Introduction The current therapeutic armory for visceral leishmaniasis (VL) caused by Leishmania donovani complex is inadequate, coupled with serious limitations. Combination therapy has proved ineffective due to mounting resistance; however, the search for safe and effective drugs is desirable, in the absence of any vaccine. There is a growing interest in the application of nanoparticles for the therapeutic effectiveness of leishmaniasis. Aimed in this direction, we assessed the antileishmanial effect of gold nanoparticles (GNP) against L. donovani in vitro. Methods GNP were synthesized and characterized for particle size by dynamic light scattering (DLS) and atomic force microscopy (AFM) and for optical properties by UV-visible spectroscopy. Cytotoxicity of GNP was measured by the MTT proliferation assay. The antileishmanial activity of the nanoparticles was evaluated against L. donovani promastigotes and macrophage-infected amastigotes in vitro. Results GNP showed a strong SPR peak at 520 nm and mean particle size, polydispersity index (PDI), and zeta potential of 56.0 ± 10 nm, 0.3 ± 0.1 and −27.0 ± 3 mV, respectively. The GNPs were smooth and spherical with a mean particle diameter of 20 ± 5 nm. Nanoparticles [1.2–100 µM] did not reveal any cytotoxicity on RAW 264.7 murine macrophage cell line, but exerted significant activity against both promastigotes and amastigote stages of L. donovani with 50% inhibitory concentrations (IC50) of 18.4 ± 0.4 µM and 5.0 ± 0.3 µM, respectively. GNP showed significant antileishmanial activity with deformed morphology of parasites and the least number of surviving promastigotes after growth reversibility analysis. Conclusion GNP may provide a platform to conjugate antileishmanial drugs onto the surface of nanoparticles to enhance their therapeutic effectiveness against VL. Further work is warranted, involving more in-depth mechanistic studies and in vivo investigations.
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Affiliation(s)
- Muzamil Yaqub Want
- Parasite Immunology Laboratory, Department of Biotechnology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India.,Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14263, USA
| | - Priya Yadav
- Parasite Immunology Laboratory, Department of Biotechnology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India.,Department of Microbiology, University of Kalyani, Kalyani, West Bengal, 741235, India
| | - Rakin Khan
- Parasite Immunology Laboratory, Department of Biotechnology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India
| | - Garima Chouhan
- Parasite Immunology Laboratory, Department of Biotechnology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India.,Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh, 201306, India
| | - Mohammad Islamuddin
- Parasite Immunology Laboratory, Department of Biotechnology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India.,Molecular Virology and Vaccinology Laboratory, Department of Biotechnology, Jamia Millia Islamia, New Delhi, 110025, India
| | - Sheka Yagub Aloyouni
- Health Sciences Research Center, Princess Nourah Bint Abdulrahman University, Riyadh, 11671, Saudi Arabia
| | | | - Suliman Yousef AlOmar
- Doping Research Chair, Department of Zoology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Farhat Afrin
- Parasite Immunology Laboratory, Department of Biotechnology, Jamia Hamdard (Hamdard University), New Delhi, 110062, India.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, Taibah University, Madina, 41477, Saudi Arabia
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Kammona O, Tsanaktsidou E. Nanotechnology-aided diagnosis, treatment and prevention of leishmaniasis. Int J Pharm 2021; 605:120761. [PMID: 34081999 DOI: 10.1016/j.ijpharm.2021.120761] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/10/2021] [Accepted: 05/27/2021] [Indexed: 02/06/2023]
Abstract
Leishmaniasis is a prevalent parasitic infection belonging to neglected tropical diseases. It is caused by Leishmania protozoan parasites transmitted by sandflies and it is responsible for increased morbidity/mortality especially in low- and middle-income countries. The lack of cheap, portable, easy to use diagnostic tools exhibiting high efficiency and specificity impede the early diagnosis of the disease. Furthermore, the typical anti-leishmanial agents are cytotoxic, characterized by low patient compliance and require long-term regimen and usually hospitalization. In addition, due to the intracellular nature of the disease, the existing treatments exhibit low bioavailability resulting in low therapeutic efficacy. The above, combined with the common development of resistance against the anti-leishmanial agents, denote the urgent need for novel therapeutic strategies. Furthermore, the lack of effective prophylactic vaccines hinders the control of the disease. The development of nanoparticle-based biosensors and nanocarrier-aided treatment and vaccination strategies could advance the diagnosis, therapy and prevention of leishmaniasis. The present review intends to highlight the various nanotechnology-based approaches pursued until now to improve the detection of Leishmania species in biological samples, decrease the side effects and increase the efficacy of anti-leishmanial drugs, and induce enhanced immune responses, specifically focusing on the outcome of their preclinical and clinical evaluation.
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Affiliation(s)
- Olga Kammona
- Chemical Process and Energy Resources Institute, Centre for Research and Technology Hellas, P.O. Box 60361, 57001 Thessaloniki, Greece.
| | - Evgenia Tsanaktsidou
- Chemical Process and Energy Resources Institute, Centre for Research and Technology Hellas, P.O. Box 60361, 57001 Thessaloniki, Greece
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Costa IN, Ribeiro M, Silva Franco P, da Silva RJ, de Araújo TE, Milián ICB, Luz LC, Guirelli PM, Nakazato G, Mineo JR, Mineo TWP, Barbosa BF, Ferro EAV. Biogenic Silver Nanoparticles Can Control Toxoplasma gondii Infection in Both Human Trophoblast Cells and Villous Explants. Front Microbiol 2021; 11:623947. [PMID: 33552033 PMCID: PMC7858645 DOI: 10.3389/fmicb.2020.623947] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 12/31/2020] [Indexed: 01/08/2023] Open
Abstract
The combination of sulfadiazine and pyrimethamine plus folinic acid is the conventional treatment for congenital toxoplasmosis. However, this classical treatment presents teratogenic effects and bone marrow suppression. In this sense, new therapeutic strategies are necessary to reduce these effects and improve the control of infection. In this context, biogenic silver nanoparticles (AgNp-Bio) appear as a promising alternative since they have antimicrobial, antiviral, and antiparasitic activity. The purpose of this study to investigate the action of AgNp-Bio in BeWo cells, HTR-8/SVneo cells and villous explants and its effects against Toxoplasma gondii infection. Both cells and villous explants were treated with different concentrations of AgNp-Bio or combination of sulfadiazine + pyrimethamine (SDZ + PYZ) in order to verify the viability. After, cells and villi were infected and treated with AgNp-Bio or SDZ + PYZ in different concentrations to ascertain the parasite proliferation and cytokine production profile. AgNp-Bio treatment did not reduce the cell viability and villous explants. Significant reduction was observed in parasite replication in both cells and villous explants treated with silver nanoparticles and classical treatment. The AgNp-Bio treatment increased of IL-4 and IL-10 by BeWo cells, while HTR8/SVneo cells produced macrophage migration inhibitory factor (MIF) and IL-4. In the presence of T. gondii, the treatment induced high levels of MIF production by BeWo cells and IL-6 by HTR8SV/neo. In villous explants, the AgNp-Bio treatment downregulated production of IL-4, IL-6, and IL-8 after infection. In conclusion, AgNp-Bio can decrease T. gondii infection in trophoblast cells and villous explants. Therefore, this treatment demonstrated the ability to reduce the T. gondii proliferation with induction of inflammatory mediators in the cells and independent of mediators in chorionic villus which we consider the use of AgNp-Bio promising in the treatment of toxoplasmosis in BeWo and HTR8/SVneo cell models and in chorionic villi.
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Affiliation(s)
- Idessania Nazareth Costa
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
| | - Mayara Ribeiro
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Priscila Silva Franco
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Rafaela José da Silva
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Thádia Evelyn de Araújo
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Iliana Claudia Balga Milián
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Luana Carvalho Luz
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Pâmela Mendonça Guirelli
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Gerson Nakazato
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
| | - José Roberto Mineo
- Laboratory of Immunoparasitology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Tiago W. P. Mineo
- Laboratory of Immunoparasitology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Bellisa Freitas Barbosa
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Eloisa Amália Vieira Ferro
- Laboratory of Immunophysiology of Reproduction, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
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Ahmad A, Ullah S, Syed F, Tahir K, Khan AU, Yuan Q. Biogenic metal nanoparticles as a potential class of antileishmanial agents: mechanisms and molecular targets. Nanomedicine (Lond) 2020; 15:809-828. [DOI: 10.2217/nnm-2019-0413] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Leishmaniasis, a category 1 disease, has remained neglected for decades, and therefore, has developed into a severe health problem worldwide. Unfortunately, the available antileishmanial drugs are limited, and the parasites have shown an inevitable resistance toward most of these drugs. All these factors pose a barrier to control the parasite at present. Hence, new strategies are needed to develop more effective and less toxic nanomedicines that could treat and manage the Leishmania parasite. One of these effective strategies is to construct nanometals with biologically active molecules that could possess dynamic antileishmanial activities with desirable biocompatibility. In this review paper, antileishmanial potencies of different metal nanoparticles, with particular emphasis on biogenic metal nanoparticles from 2011 to 2019, are summarized. The mechanisms by which metal-based nanomedicines kill Leishmania are also discussed.
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Affiliation(s)
- Aftab Ahmad
- Beijing Advanced Innovation Center for Soft Matter Science & Engineering (BAIC-SM), Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Sadeeq Ullah
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, No. 15 East Road of North Third Ring, Chaoyang District, Beijing, 100029, PR China
| | - Fatima Syed
- Institute of Chemical Sciences, University of Peshawar, Peshawar, 25120, Pakistan
| | - Kamran Tahir
- Institute of Chemical Sciences, Gomal University D.I. Khan, KP, 29050, Pakistan
| | - Arif U Khan
- Beijing Advanced Innovation Center for Soft Matter Science & Engineering (BAIC-SM), Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Qipeng Yuan
- Beijing Advanced Innovation Center for Soft Matter Science & Engineering (BAIC-SM), Beijing University of Chemical Technology, Beijing, 100029, PR China
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Machado LF, Sanfelice RA, Bosqui LR, Assolini JP, Scandorieiro S, Navarro IT, Depieri Cataneo AH, Wowk PF, Nakazato G, Bordignon J, Pavanelli WR, Conchon-Costa I, Costa IN. Biogenic silver nanoparticles reduce adherence, infection, and proliferation of toxoplasma gondii RH strain in HeLa cells without inflammatory mediators induction. Exp Parasitol 2020; 211:107853. [PMID: 32061628 DOI: 10.1016/j.exppara.2020.107853] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/17/2020] [Accepted: 02/08/2020] [Indexed: 12/18/2022]
Abstract
The highlights of biogenic silver nanoparticles (AgNp-Bio) include low toxicity - depending on size and concentration - and efficient antiparasitic activity. Therefore, the objective of this study was to assess the action of the AgNp-Bio on HeLa cells in an infection with strain of RH Toxoplasma gondii. Firstly, we performed a cellular viability test and characterized the AgNp-Bio to proceed with the infection of HeLa cells with T. gondii to be treated using AgNp-Bio or conventional drugs. Subsequently, we determined the level of standard cytokines Th1/Th2 as well as the content of nitric oxide (NO) and reactive oxygen species (ROS). Results indicated a mean size of 69 nm in diameter for the AgNp-Bio and obtained a dose-dependent toxicity. In addition, the concentrations of 3 and 6 μM promoted a significant decrease in adherence, infection, and intracellular proliferation. We also found lower IL-8 and production of inflammatory mediators. Thus, the nanoparticles reduced the adherence, infection, and proliferation of ROS and NO, in addition to immunomodulating the IL-8. Therefore, our data proved relevant to introduce a promising therapeutic alternative to toxoplasmosis.
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Affiliation(s)
- Laís Fernanda Machado
- Departamento de Patologia Experimental - Laboratório de Imunoparasitologia Das Doenças Negligenciadas e Câncer. Universidade Estadual de Londrina, 86057-970, Londrina, Paraná, Brazil
| | - Raquel Arruda Sanfelice
- Departamento de Patologia Experimental - Laboratório de Imunoparasitologia Das Doenças Negligenciadas e Câncer. Universidade Estadual de Londrina, 86057-970, Londrina, Paraná, Brazil
| | - Larissa Rodrigues Bosqui
- Departamento de Patologia Experimental - Laboratório de Imunoparasitologia Das Doenças Negligenciadas e Câncer. Universidade Estadual de Londrina, 86057-970, Londrina, Paraná, Brazil
| | - João Paulo Assolini
- Departamento de Patologia Experimental - Laboratório de Imunoparasitologia Das Doenças Negligenciadas e Câncer. Universidade Estadual de Londrina, 86057-970, Londrina, Paraná, Brazil
| | - Sara Scandorieiro
- Departamento de Microbiologia - Laboratório de Bacteriologia Básica e Aplicada. Universidade Estadual de Londrina, Paraná, Brazil
| | - Italmar Teodorico Navarro
- Departamento de Medicina Veterinária Preventiva - Laboratório de Zoonoses e Saúde Pública. Universidade Estadual de Londrina, PR, Brazil
| | | | - Pryscilla Fanini Wowk
- Laboratório de Virologia Molecular. Instituto Carlos Chagas, ICC/ Fiocruz, Curitiba, Paraná, Brazil
| | - Gerson Nakazato
- Departamento de Microbiologia - Laboratório de Bacteriologia Básica e Aplicada. Universidade Estadual de Londrina, Paraná, Brazil
| | - Juliano Bordignon
- Laboratório de Virologia Molecular. Instituto Carlos Chagas, ICC/ Fiocruz, Curitiba, Paraná, Brazil
| | - Wander Rogerio Pavanelli
- Departamento de Patologia Experimental - Laboratório de Imunoparasitologia Das Doenças Negligenciadas e Câncer. Universidade Estadual de Londrina, 86057-970, Londrina, Paraná, Brazil
| | - Ivete Conchon-Costa
- Departamento de Patologia Experimental - Laboratório de Imunoparasitologia Das Doenças Negligenciadas e Câncer. Universidade Estadual de Londrina, 86057-970, Londrina, Paraná, Brazil
| | - Idessania Nazareth Costa
- Departamento de Patologia Experimental - Laboratório de Imunoparasitologia Das Doenças Negligenciadas e Câncer. Universidade Estadual de Londrina, 86057-970, Londrina, Paraná, Brazil.
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9
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Gomes-Alves AG, Maia AF, Cruz T, Castro H, Tomás AM. Development of an automated image analysis protocol for quantification of intracellular forms of Leishmania spp. PLoS One 2018; 13:e0201747. [PMID: 30071097 PMCID: PMC6072083 DOI: 10.1371/journal.pone.0201747] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 07/20/2018] [Indexed: 11/18/2022] Open
Abstract
Leishmania parasites cause a set of neglected tropical diseases with considerable public health impact, the leishmaniases, which are often fatal if left untreated. Since current treatments for the leishmaniases exhibit high toxicity, low efficacy and prohibitive prices, many laboratories throughout the world are engaged in research for the discovery of novel chemotherapeutics. This entails the necessity of screening large numbers of compounds against the clinically relevant form of the parasite, the obligatory intracellular amastigote, a procedure that in many laboratories is still carried out by manual inspection. To overcome this well-known bottleneck in Leishmania drug development, several studies have recently attempted to automate this process. Here we implemented an image-based high content triage assay for Leishmania which has the added advantages of using primary macrophages instead of macrophage cell lines and of enabling identification of active compounds against parasite species developing both in small individual phagolysosomes (such as L. infantum) and in large communal vacuoles (such as L. amazonensis). The automated image analysis protocol is made available for IN Cell Analyzer systems, and, importantly, also for the open-source CellProfiler software, in this way extending its implementation to any laboratory involved in drug development as well as in other aspects of Leishmania research requiring analysis of in vitro infected macrophages.
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Affiliation(s)
- Ana G. Gomes-Alves
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- IBMC – Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
- CEB – Centro de Engenharia Biológica, Universidade do Minho, Braga, Portugal
| | - André F. Maia
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- IBMC – Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
| | - Tânia Cruz
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- IBMC – Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
| | - Helena Castro
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- IBMC – Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
| | - Ana M. Tomás
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- IBMC – Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
- ICBAS – Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
- * E-mail:
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