1
|
Silva TF, Detoni MB, Concato-Lopes VM, Tomiotto-Pellissier F, Miranda-Sapla MM, Bortoleti BTDS, Gonçalves MD, Rodrigues ACJ, Sanfelice RA, Cruz EMS, Silva MSDS, Carloto ACM, Bidoia DL, Costa IN, Pavanelli WR, Conchon-Costa I. Leishmania amazonensis infection regulates oxidate stress in hyperglycemia and diabetes impairing macrophage's function and immune response. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167078. [PMID: 38364941 DOI: 10.1016/j.bbadis.2024.167078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 02/11/2024] [Accepted: 02/11/2024] [Indexed: 02/18/2024]
Abstract
Leishmaniasis is a group of infectious diseases caused by protozoa of the Leishmania genus and its immunopathogenesis results from an unbalanced immune response during the infection. Diabetes is a chronic disease resulting from dysfunction of the body's production of insulin or the ability to use it properly, leading to hyperglycemia causing tissue damage and impairing the immune system. AIMS The objective of this work was to evaluate the effects of hyperglycemia and diabetes during Leishmania amazonensis infection and how these conditions alter the immune response to the parasite. METHODS An in vitro hyperglycemic stimulus model using THP-1-derived macrophages and an in vivo experimental diabetes with streptozotocin (STZ) in C57BL/6 mice was employed to investigate the impact of diabetes and hyperglicemia in Leishmania amazonensis infection. RESULTS We observed that hyperglycemia impair the leishmanicidal capacity of macrophages derived from THP-1 cells and reverse the resistance profile that C57BL/6 mice have against infection by L. amazonensis, inducing more exacerbated lesions compared to non-diabetic animals. In addition, the hyperglycemic stimulus favored the increase of markers related to the phenotype of M2 macrophages. The induction of experimental diabetes in C57BL/6 mice resulted in a failure in the production of nitric oxide (NO) in the face of infection and macrophages from diabetic animals failed to process and present Leishmania antigens, being unable to activate and induce proliferation of antigen-specific lymphocytes. CONCLUSION Together, these data demonstrate that diabetes and hyperglycemia can impair the cellular immune response, mainly of macrophages, against infection by parasites of the genus Leishmania.
Collapse
Affiliation(s)
- Taylon Felipe Silva
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil.
| | - Mariana Barbosa Detoni
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil
| | - Virgínia Márcia Concato-Lopes
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil
| | - Fernanda Tomiotto-Pellissier
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil; Department of Medical Pathology, Federal University of Paraná, Curitiba, PR, Brazil
| | - Milena Menegazzo Miranda-Sapla
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil; Department of Pharmaceutical Sciences, University of Vale do Itajaí, Itajaí, SC, Brazil
| | - Bruna Taciane da Silva Bortoleti
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil; Icahn School of Medicine, Mount Sinai Hospital, New York, NY, United States
| | - Manoela Daiele Gonçalves
- Biotransformation and Phytochemistry Laboratory, Department of Chemistry, State University of Londrina, Londrina, PR, Brazil
| | - Ana Carolina Jacob Rodrigues
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil; Biosciences and Biotechnology Graduate Program, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, PR, Brazil
| | - Raquel Arruda Sanfelice
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil
| | - Ellen Mayara Souza Cruz
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil
| | - Maria Stacy Dos Santos Silva
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil
| | - Amanda Cristina Machado Carloto
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil
| | - Danielle Lazarin Bidoia
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil
| | - Idessania Nazareth Costa
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil
| | - Wander Rogério Pavanelli
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil
| | - Ivete Conchon-Costa
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), State University of Londrina, Londrina, PR, Brazil.
| |
Collapse
|
2
|
Taciane da Silva Bortoleti B, Detoni MB, Gonçalves MD, Tomiotto-Pellissier F, Silva TF, Contato VM, Jacob Rodrigues AC, Carloto AC, Nascimento de Matos RL, Fattori V, Arakawa NS, Verri WA, Costa IN, Conchon-Costa I, Miranda-Sapla MM, Wowk PF, Pavanelli WR. Solidagenone in vivo leishmanicidal activity acting in tissue repair response, and immunomodulatory capacity in Leishmania amazonensis. Chem Biol Interact 2022; 361:109969. [DOI: 10.1016/j.cbi.2022.109969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 04/13/2022] [Accepted: 04/29/2022] [Indexed: 11/16/2022]
|
3
|
Islam MM, Farag E, Hassan MM, Enan KA, Mohammad Sabeel KV, Alhaddad MM, Smatti MK, Al-Marri AM, Al-Zeyara AA, Al-Romaihi H, Yassine HM, Sultan AA, Bansal D, Mkhize-Kwitshana Z. Diversity of bacterial pathogens and their antimicrobial resistance profile among commensal rodents in Qatar. Vet Res Commun 2022; 46:487-498. [PMID: 35083655 DOI: 10.1007/s11259-021-09876-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 12/12/2021] [Indexed: 11/28/2022]
Abstract
Rodents are sources of many zoonotic pathogens that are of public health concern. This study investigated bacterial pathogens and assessed their antimicrobial resistance (AMR) patterns in commensal rodents in Qatar. A total of 148 rodents were captured between August 2019 and February 2020, and blood, ectoparasites, and visceral samples were collected. Gram-negative bacteria were isolated from the intestines, and blood plasma samples were used to detect antibodies against Brucella spp., Chlamydophila abortus, and Coxiella burnetii. PCR assays were performed to detect C. burnetii, Leptospira spp., Rickettsia spp., and Yersinia pestis in rodent tissues and ectoparasite samples. Antimicrobial resistance by the isolated intestinal bacteria was performed using an automated VITEK analyzer. A total of 13 bacterial species were isolated from the intestine samples, namely Acinetobacter baumannii, Aeromonas salmonicida, Citrobacter freundii, Citrobacter koseri, Enterobacter aerogenes, Enterobacter cloacae, Escherichia coli, Hafnia alvei, Klebsiella pneumoniae, Providencia stuartii, Proteus mirabilis, Pseudomonas aeruginosa, and Salmonella enterica. The majority of them were E. coli (54.63%), followed by P. mirabilis (17.59%) and K. pneumoniae (8.33%). Most of the pathogens were isolated from rodents obtained from livestock farms (50.46%), followed by agricultural farms (26.61%) and other sources (22.94%). No antibodies (0/148) were detected against Brucella spp., C. abortus, or C. burnetii. In addition, 31.58% (6/19) of the flea pools and one (1/1) mite pool was positive for Rickettsia spp., and no sample was positive for C. burnetii, Leptospira spp., and Y. pestis by PCR. A total of 43 (38%) bacterial isolates were identified as multidrug resistant (MDR), whereas A. salmonicida (n = 1) did not show resistance to any tested antimicrobials. Over 50% of bacterial MDR isolates were resistant to ampicillin, cefalotin, doxycycline, nitrofurantoin, and tetracycline. The presence of MDR pathogens was not correlated with rodent species or the location of rodent trapping. Seven (11.86%) E. coli and 2 (22.2%) K. pneumoniae were extended-spectrum beta-lactamases (ESBL) producers. These findings suggest that rodents can be a source of opportunistic bacteria for human and animal transmission in Qatar. Further studies are needed for the molecular characterization of the identified bacteria in this study.
Collapse
Affiliation(s)
- Md Mazharul Islam
- Department of Animal Resources, Ministry of Municipality and Environment, Doha, Qatar. .,School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu Natal, Durban, 4000, South Africa.
| | | | - Mohammad Mahmudul Hassan
- Faculty of Veterinary Medicine, Chottogram Veterinary and Animal Sciences University, Khulshi, Chattogram, 4225, Bangladesh
| | - Khalid A Enan
- Department of Animal Resources, Ministry of Municipality and Environment, Doha, Qatar.,Department of Virology, Central Laboratory, The Ministry of Higher Education and Scientific Research, 7099, Khartum, Sudan
| | - K V Mohammad Sabeel
- Department of Animal Resources, Ministry of Municipality and Environment, Doha, Qatar
| | | | - Maria K Smatti
- Biomedical Research Center, Qatar University, Doha, Qatar
| | | | - Abdul Azia Al-Zeyara
- Department of Animal Resources, Ministry of Municipality and Environment, Doha, Qatar
| | | | - Hadi M Yassine
- Biomedical Research Center, Qatar University, Doha, Qatar
| | - Ali A Sultan
- Department of Microbiology and Immunology, Weill Cornell Medicine, Cornell University, Doha, Qatar
| | | | - Zilungile Mkhize-Kwitshana
- School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu Natal, Durban, 4000, South Africa.,Division of Research Capacity Development, South African Medical Research Council, Tygerberg, Cape Town, 7505, South Africa
| |
Collapse
|
4
|
Fotouhi-Ardakani R, Ghafari SM, Ready PD, Parvizi P. Developing, Modifying, and Validating a TaqMan Real-Time PCR Technique for Accurate Identification of Leishmania Parasites Causing Most Leishmaniasis in Iran. Front Cell Infect Microbiol 2021; 11:731595. [PMID: 34712622 PMCID: PMC8546265 DOI: 10.3389/fcimb.2021.731595] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 09/10/2021] [Indexed: 12/03/2022] Open
Abstract
Many laboratory methods are used to diagnose leishmaniasis because it is characterized by varied symptoms and caused by different Leishmania species. A quantitative real-time PCR method based on a TaqMan probe was developed and modified for accurate identification of human cutaneous leishmaniasis (caused by Leishmania major or Leishmania tropica) from endemic areas of Iran. Two gene regions of amino acid permease 3 (AAP3) and cytochrome oxidase II (COII) were considered. Six new sets of species-specific primers and probes were designed. A total of 123 samples were examined and employed to evaluate and validate real-time PCR. According to parasitic load of the genesig®Leishmania Advanced Standard Kit, a serial dilution of purified plasmid (2–2×107 copies/reaction) was prepared under the same conditions for both genes. Specific primers and probes were able to detect three and six parasite copies in AAP3 and COII genes, respectively, and were able to detect three copies of parasites for L. major and L. tropica. The sensitivities of the reference kit and our method were 98.7 and 98.1%, respectively, and specificity was 100% for detecting parasite genomes in all assays. Designed primers and probes performed well in terms of efficiency and regression coefficient. For AAP3 and COII genes, respectively, the linear log range was 7 and the correlation coefficient (R2) was 0.749 and 0.996 for the reference kit using the standard generated curve and 0.98 and 0.96 with serial dilutions of parasite DNA. This research detected L. major and L. tropica definitely and opens the horizon for the other scientists in the multiplex reactions in designing and optimization of the conditions in silico and in vivo.
Collapse
Affiliation(s)
- Reza Fotouhi-Ardakani
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran.,Molecular Systematics Laboratory, Parasitology Department, Pasteur Institute of Iran, Tehran, Iran
| | - Seyedeh Maryam Ghafari
- Molecular Systematics Laboratory, Parasitology Department, Pasteur Institute of Iran, Tehran, Iran
| | - Paul Donald Ready
- Disease Control Department, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Parviz Parvizi
- Molecular Systematics Laboratory, Parasitology Department, Pasteur Institute of Iran, Tehran, Iran
| |
Collapse
|
5
|
Tomiotto-Pellissier F, Miranda-Sapla MM, Silva TF, Bortoleti BTDS, Gonçalves MD, Concato VM, Rodrigues ACJ, Detoni MB, Costa IN, Panis C, Conchon-Costa I, Bordignon J, Pavanelli WR. Murine Susceptibility to Leishmania amazonensis Infection Is Influenced by Arginase-1 and Macrophages at the Lesion Site. Front Cell Infect Microbiol 2021; 11:687633. [PMID: 34660334 PMCID: PMC8517480 DOI: 10.3389/fcimb.2021.687633] [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: 03/29/2021] [Accepted: 09/13/2021] [Indexed: 12/30/2022] Open
Abstract
Cutaneous leishmaniasis is a zoonotic infectious disease broadly distributed worldwide, causing a range of diseases with clinical outcomes ranging from self-healing infections to chronic disfiguring disease. The effective immune response to this infection is yet to be more comprehensively understood and is fundamental for developing drugs and vaccines. Thus, we used experimental models of susceptibility (BALB/c) and partial resistance (C57BL/6) to Leishmania amazonensis infection to investigate the local profile of mediators involved in the development of cutaneous leishmaniasis. We found worse disease outcome in BALB/c mice than in C57BL/6 mice, with almost 15 times higher parasitic load, ulcerated lesion formation, and higher levels of IL-6 in infected paws. In contrast, C57BL/6 presented higher levels of IFN-γ and superoxide anion (•O2−) after 11 weeks of infection and no lesion ulcerations. A peak of local macrophages appeared after 24 h of infection in both of the studied mice strains, followed by another increase after 240 h, detected only in C57BL/6 mice. Regarding M1 and M2 macrophage phenotype markers [iNOS, MHC-II, CD206, and arginase-1 (Arg-1)], we found a pronounced increase in Arg-1 levels in BALB/c after 11 weeks of infection, whereas C57BL/6 showed an initial predomination of markers from both profiles, followed by an M2 predominance, coinciding with the second peak of macrophage infiltration, 240 h after the infection. Greater deposition of type III collagen and lesion resolution was also observed in C57BL/6 mice. The adoptive transfer of macrophages from C57BL/6 to infected BALB/c at the 11th week showed a reduction in both edema and the number of parasites at the lesion site, in addition to lower levels of Arg-1. Thus, C57BL/6 mice have a more effective response against L. amazonensis, based on a balance between inflammation and tissue repair, while BALB/c mice have an excessive Arg-1 production at late infection. The worst evolution seems to be influenced by recruitment of Arg-1 related macrophages, since the adoptive transfer of macrophages from C57BL/6 mice to BALB/c resulted in better outcomes, with lower levels of Arg-1.
Collapse
Affiliation(s)
- Fernanda Tomiotto-Pellissier
- Biosciences and Biotechnology Graduate Program, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil.,Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Milena Menegazzo Miranda-Sapla
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Taylon Felipe Silva
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Bruna Taciane da Silva Bortoleti
- Biosciences and Biotechnology Graduate Program, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil.,Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Manoela Daiele Gonçalves
- Laboratory of Biotransformation and Phytochemistry, Department of Chemistry, State University of Londrina, Universitary Hospital, Londrina, Brazil
| | - Virginia Márcia Concato
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Ana Carolina Jacob Rodrigues
- Biosciences and Biotechnology Graduate Program, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil.,Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Mariana Barbosa Detoni
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Idessania Nazareth Costa
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Carolina Panis
- Laboratory of Tumor Biology, State University of Western Paraná (UNIOESTE), Francisco Beltrão, Brazil
| | - Ivete Conchon-Costa
- Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Juliano Bordignon
- Biosciences and Biotechnology Graduate Program, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil.,Laboratory of Molecular Virology, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil
| | - Wander Rogério Pavanelli
- Biosciences and Biotechnology Graduate Program, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil.,Laboratory of Immunoparasitology of Neglected Diseases and Cancer (LIDNC), Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| |
Collapse
|
6
|
Ghafari SM, Fotouhi-Ardakani R, Parvizi P. Designing and developing a high-resolution melting technique for accurate identification of Leishmania species by targeting amino acid permease 3 and cytochrome oxidase II genes using real-time PCR and in silico genetic evaluation. Acta Trop 2020; 211:105626. [PMID: 32652055 DOI: 10.1016/j.actatropica.2020.105626] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 07/05/2020] [Accepted: 07/07/2020] [Indexed: 11/20/2022]
Abstract
Discrimination, accurate identification, and reliable techniques are required for accurate identification of Leishmania parasites. High-resolution melting (HRM) is recognized as an authentic and exact method. The main objective of this research was optimizing HRM analysis for detecting and screening Leishmania major, Leishmania tropica and mix infections. Thirty-six DNA samples of Leishmania parasite were prepared and analyzed. Two gene regions of amino acid permease 3 (AAP3) and cytochrome oxidase II (COII) were targeted and six pairs of specific new primers were designed. Bioinformatics analysis was employed to predict DNA temperature resolution for each species and compared with in-vitro results. The genetic diversity of the selected gene regions was analyzed using PCR-sequencing method and DnaSP 5.10.01 software. They were submitted in GenBank (KU680818- KU680821 and KY041643- KY041649). The haplotype diversity for both AAP3 and COII genes was 96% and 87%, respectively. Tajima's D index was 0.65 for AAP3 and 0.36 for COII. CLC Genomics Workbench 11 software predictions were significant and close to these findings. The designed primers could be able to identify at least two Leishmania species. Temperature variations in HRM technique separated Iranian Leishmania parasites of L. major, L. tropica and mix infections. The target genes and our modified HRM method proved this technique could be useful in both clinical and experimental settings. Also, it can be effective for detecting Leishmania parasites in different hosts such as humans, reservoir hosts and vectors. Indeed, HRM can be used as a technique in Leishmania identification as well as for ecological and epidemiological research.
Collapse
Affiliation(s)
- Seyedeh Maryam Ghafari
- Molecular Systematics Laboratory, Parasitology Department, Pasteur Institute of Iran, Tehran, Iran.
| | - Reza Fotouhi-Ardakani
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran; Department of Medical Biotechnology, Faculty of Medicine, Qom University of Medical Sciences, Qom, Iran.
| | - Parviz Parvizi
- Molecular Systematics Laboratory, Parasitology Department, Pasteur Institute of Iran, Tehran, Iran.
| |
Collapse
|
7
|
Farshchi F, Saadati A, Hasanzadeh M. Optimized DNA-based biosensor for monitoring Leishmania infantum in human plasma samples using biomacromolecular interaction: a novel platform for infectious disease diagnosis. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:4759-4768. [PMID: 32936128 DOI: 10.1039/d0ay01516d] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Leishmania parasite identification is very important in clinical studies of leishmaniasis and its diagnosis. Though there are various clinical and epidemiological approaches to identifying Leishmania infantum, due to some limitations of the traditional methods, sensitive and specific techniques are needed and are in great demand. To achieve selective and rapid detection, a sensitive signal transducer with high surface area is necessary. In this work, a new paper sensor was fabricated using silver nanoprisms electrodeposited on the GQD conductive nano-ink (Ag NPr/GQDs nano-ink). A high surface area and suitable interface for anchoring biomolecules was achieved by electrodepositing gold nanoparticles (AuNPs) functionalized with cysteamine (AuNPs-CysA) on the surface of the paper sensor altered by Ag NPr/GQDs nano-ink. To prepare a sensitive and selective bio-device for the recognition of Leishmania in human plasma specimens, a DNA-thiol probe was stabilized on the surface of the platform. Hybridization of DNA was evaluated by chronoamperometry (ChA). The engineered DNA-based paper biosensor showed high sensitivity and selectivity for the identification of Leishmania genomic DNA. Under optimum circumstances, a linear range was obtained using photographic paper from 1 μM to 1 zM and an ivory sheet from 1 nM to 1 zM. The lower limits of quantitation (LLOQ) on the photographic paper and ivory sheet were 1 zM. In addition, the designed DNA-based biosensor revealed well-defined performance in the recognition of mismatched sequences (single base, two base and three base mismatches) and selectivity.
Collapse
Affiliation(s)
- Fatemeh Farshchi
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | | | | |
Collapse
|
8
|
Hong A, Zampieri RA, Shaw JJ, Floeter-Winter LM, Laranjeira-Silva MF. One Health Approach to Leishmaniases: Understanding the Disease Dynamics through Diagnostic Tools. Pathogens 2020; 9:pathogens9100809. [PMID: 33019713 PMCID: PMC7599840 DOI: 10.3390/pathogens9100809] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/20/2020] [Accepted: 09/21/2020] [Indexed: 01/19/2023] Open
Abstract
Leishmaniases are zoonotic vector-borne diseases caused by protozoan parasites of the genus Leishmania that affect millions of people around the globe. There are various clinical manifestations, ranging from self-healing cutaneous lesions to potentially fatal visceral leishmaniasis, all of which are associated with different Leishmania species. Transmission of these parasites is complex due to the varying ecological relationships between human and/or animal reservoir hosts, parasites, and sand fly vectors. Moreover, vector-borne diseases like leishmaniases are intricately linked to environmental changes and socioeconomic risk factors, advocating the importance of the One Health approach to control these diseases. The development of an accurate, fast, and cost-effective diagnostic tool for leishmaniases is a priority, and the implementation of various control measures such as animal sentinel surveillance systems is needed to better detect, prevent, and respond to the (re-)emergence of leishmaniases.
Collapse
Affiliation(s)
- Ahyun Hong
- Department of Physiology, Institute of Biosciences, University of São Paulo, São Paulo 05508-090, Brazil; (A.H.); (R.A.Z.); (L.M.F.-W.)
| | - Ricardo Andrade Zampieri
- Department of Physiology, Institute of Biosciences, University of São Paulo, São Paulo 05508-090, Brazil; (A.H.); (R.A.Z.); (L.M.F.-W.)
| | - Jeffrey Jon Shaw
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil;
| | - Lucile Maria Floeter-Winter
- Department of Physiology, Institute of Biosciences, University of São Paulo, São Paulo 05508-090, Brazil; (A.H.); (R.A.Z.); (L.M.F.-W.)
| | - Maria Fernanda Laranjeira-Silva
- Department of Physiology, Institute of Biosciences, University of São Paulo, São Paulo 05508-090, Brazil; (A.H.); (R.A.Z.); (L.M.F.-W.)
- Correspondence:
| |
Collapse
|
9
|
Rocha VPC, Dacher M, Young SA, Kolokousi F, Efstathiou A, Späth GF, Soares MBP, Smirlis D. Leishmania dual-specificity tyrosine-regulated kinase 1 (DYRK1) is required for sustaining Leishmania stationary phase phenotype. Mol Microbiol 2020; 113:983-1002. [PMID: 31975452 DOI: 10.1111/mmi.14464] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 01/13/2020] [Accepted: 01/16/2020] [Indexed: 01/05/2023]
Abstract
Although the multiplicative and growth-arrested states play key roles in Leishmania development, the regulators of these transitions are largely unknown. In an attempt to gain a better understanding of these processes, we characterised one member of a family of protein kinases with dual specificity, LinDYRK1, which acts as a stasis regulator in other organisms. LinDYRK1 overexpressing parasites displayed a decrease in proliferation and in cell cycle re-entry of arrested cells. Parasites lacking LinDYRK1 displayed distinct fitness phenotypes in logarithmic and stationary growth phases. In logarithmic growth phase, LinDYRK1-/- parasites proliferated better than control lines, supporting a role of this kinase in stasis, while in stationary growth phase, LinDYRK1-/- parasites had important defects as they rounded up, accumulated vacuoles and lipid bodies and displayed subtle but consistent differences in lipid composition. Moreover, they expressed less metacyclic-enriched transcripts, displayed increased sensitivity to complement lysis and a significant reduction in survival within peritoneal macrophages. The distinct LinDYRK1-/- growth phase phenotypes were mirrored by the distinct LinDYRK1 localisations in logarithmic (mainly in flagellar pocket area and endosomes) and late stationary phase (mitochondrion). Overall, this work provides first evidence for the role of a DYRK family member in sustaining promastigote stationary phase phenotype and infectivity.
Collapse
Affiliation(s)
- Vinícius Pinto Costa Rocha
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz (FIOCRUZ), Salvador, Brazil
- Centro de Biotecnologia e Terapia Celular, Hospital São Rafael, Salvador, Brazil
| | - Mariko Dacher
- Unité de Parasitologie Moléculaire et Signalisation, Department of Parasites and Insect Vectors, Institut Pasteur and INSERM U1201, Paris, France
| | - Simon Alan Young
- Biomedical Sciences Research Complex, School of Biology, The University of St. Andrews, St. Andrews, UK
| | - Foteini Kolokousi
- Molecular Parasitology Laboratory, Microbiology Department, Hellenic Pasteur Institute, Athens, Greece
| | - Antonia Efstathiou
- Molecular Parasitology Laboratory, Microbiology Department, Hellenic Pasteur Institute, Athens, Greece
| | - Gerald Frank Späth
- Unité de Parasitologie Moléculaire et Signalisation, Department of Parasites and Insect Vectors, Institut Pasteur and INSERM U1201, Paris, France
| | - Milena Botelho Pereira Soares
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz (FIOCRUZ), Salvador, Brazil
- Centro de Biotecnologia e Terapia Celular, Hospital São Rafael, Salvador, Brazil
| | - Despina Smirlis
- Molecular Parasitology Laboratory, Microbiology Department, Hellenic Pasteur Institute, Athens, Greece
| |
Collapse
|
10
|
Agallou M, Athanasiou E, Kammona O, Tastsoglou S, Hatzigeorgiou AG, Kiparissides C, Karagouni E. Transcriptome Analysis Identifies Immune Markers Related to Visceral Leishmaniasis Establishment in the Experimental Model of BALB/c Mice. Front Immunol 2019; 10:2749. [PMID: 31849951 PMCID: PMC6902045 DOI: 10.3389/fimmu.2019.02749] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 11/11/2019] [Indexed: 12/29/2022] Open
Abstract
Visceral leishmaniasis (VL) caused by Leishmania donovani and L. infantum is a potentially fatal disease. To date there are no registered vaccines for disease prevention despite the fact that several vaccines are in preclinical development. Thus, new strategies are needed to improve vaccine efficacy based on a better understanding of the mechanisms mediating protective immunity and mechanisms of host immune responses subversion by immunopathogenic components of Leishmania. We found that mice vaccinated with CPA162−189-loaded p8-PLGA nanoparticles, an experimental nanovaccine, induced the differentiation of antigen-specific CD8+ T cells in spleen compared to control mice, characterized by increased dynamics of proliferation and high amounts of IFN-γ production after ex vivo re-stimulation with CPA162−189 antigen. Vaccination with CPA162−189-loaded p8-PLGA nanoparticles resulted in about 80% lower parasite load in spleen and liver at 4 weeks after challenge with L. infantum promastigotes as compared to control mice. However, 16 weeks after infection the parasite load in spleen was comparable in both mouse groups. Decreased protection levels in vaccinated mice were followed by up-regulation of the anti-inflammatory IL-10 production although at lower levels in comparison to control mice. Microarray analysis in spleen tissue at 4 weeks post challenge revealed different immune-related profiles among the two groups. Specifically, vaccinated mice were characterized by similar profile to naïve mice. On the other hand, the transcriptome of the non-vaccinated mice was dominated by increased expression of genes related to interferon type I, granulocyte chemotaxis, and immune cells suppression. This profile was significantly enriched at 16 weeks post challenge, a time-point which is relative to disease establishment, and was common for both groups, further suggesting that type I signaling and granulocyte influx has a significant role in disease establishment, pathogenesis and eventually in decreased vaccine efficacy for stimulating long-term protection. Overall, we put a spotlight on host immune networks during active VL as potential targets to improve and design more effective vaccines against disease.
Collapse
Affiliation(s)
- Maria Agallou
- Parasite Immunology Group, Department of Microbiology, Hellenic Pasteur Institute, Athens, Greece
| | - Evita Athanasiou
- Parasite Immunology Group, Department of Microbiology, Hellenic Pasteur Institute, Athens, Greece
| | - Olga Kammona
- Chemical Process & Energy Resources Institute, Centre for Research and Technology Hellas, Thessaloniki, Greece
| | - Spyros Tastsoglou
- DIANA-Lab, Department of Electrical & Computer Engineering, University of Thessaly, Volos, Greece
| | - Artemis G Hatzigeorgiou
- DIANA-Lab, Department of Electrical & Computer Engineering, University of Thessaly, Volos, Greece.,DIANA-Lab, Hellenic Pasteur Institute, Athens, Greece
| | - Costas Kiparissides
- Chemical Process & Energy Resources Institute, Centre for Research and Technology Hellas, Thessaloniki, Greece.,Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Evdokia Karagouni
- Parasite Immunology Group, Department of Microbiology, Hellenic Pasteur Institute, Athens, Greece
| |
Collapse
|
11
|
Conter CC, Mota CA, Dos Santos BA, de Souza Braga L, de Souza Terron M, Navasconi TR, Fernandes ACBS, Demarchi IG, de Castro KRR, Aristides SMA, Lonardoni MVC, Teixeira JJV, Silveira TGV. PCR primers designed for new world Leishmania: A systematic review. Exp Parasitol 2019; 207:107773. [PMID: 31605671 DOI: 10.1016/j.exppara.2019.107773] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/07/2019] [Accepted: 10/07/2019] [Indexed: 01/03/2023]
Abstract
Studies of the primers that were designed to detect New World Leishmania were systematically reviewed to report the characteristics of each target, detection limit, specificity of the primers designed and diagnostic sensibility. The papers identified in the databases PubMed and Web of Science involved 50 studies. Minicircle is the most applied target in molecular research for diagnosis, due to its high sensitivity in detecting Leishmania in different clinical samples, a characteristic that can be partially attributed to the higher number of copies of the minicircle per cell. The other molecular targets shown in this review were less sensitive to diagnostic use because of the lower number of copies of the target gene per cell, but more specific for identification of the subgenus and/or species. The choice of the best target is an important step towards the result of the research. The target allows the design of primers that are specific to the genus, subgenus or a particular species and also imparts sensitivity to the method for diagnosis. The findings of this systematic review provide the advantages and disadvantages of the main molecular targets and primers designed for New World Leishmania, offering information so that the researcher can choose the PCR system best suited to their research need. This is a timely and extremely thorough review of the primers designed for New World Leishmania.
Collapse
Affiliation(s)
- Carolina Cella Conter
- Graduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, Brazil
| | - Camila Alves Mota
- Graduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, Brazil
| | | | - Laís de Souza Braga
- Graduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, Brazil
| | | | - Taísa Rocha Navasconi
- Graduate Program in Health Sciences, State University of Maringá, Maringá, Paraná, Brazil
| | | | - Izabel Galhardo Demarchi
- Department of Clinical Analyses and Biomedicine, State University of Maringá, Maringá, Paraná, Brazil
| | | | | | | | | | | |
Collapse
|
12
|
Antonia AL, Wang L, Ko DC. A real-time PCR assay for quantification of parasite burden in murine models of leishmaniasis. PeerJ 2018; 6:e5905. [PMID: 30430041 PMCID: PMC6231426 DOI: 10.7717/peerj.5905] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 10/09/2018] [Indexed: 12/22/2022] Open
Abstract
Eukaryotic parasites in the genus Leishmania place approximately 350 million people per year at risk of disease. In addition to their global health significance, Leishmania spp. have served as an important model for delineating basic concepts in immunology such as T-helper cell polarization. There have been many qPCR-based assays reported for measuring parasite burden in humans and animals. However, these are largely optimized for use in clinical diagnosis and not specifically for animal models. This has led several of these assays to have suboptimal characteristics for use in animal models. For example, multi-copy number genes have been frequently used to increase sensitivity but are subject to greater plasticity within the genome and thus may confound effects of experimental manipulations in animal models. In this study, we developed a sybr-green based quantitative touchdown PCR assay for a highly conserved and single-copy putative RNA-binding protein, DRBD3. With primers that share greater than 90% sequence identity across all sequenced Leishmania spp., we demonstrate that this assay has a lower limit of detection of 100 fg of parasite DNA for Leishmania major, L. donovani, L. venezuelensis, and L. panamensis. Using C57BL6/J mice, we used this assay to monitor parasite burden over 1 month of infection with two strains of L. major (Seidman and Friedlin), and L. venezeuelensis. These characteristics rival the sensitivity of previously reported qPCR based methods of parasite quantitation while amplifying a stable, single copy gene. Use of this protocol in the future will lead to improved accuracy in animal based models and help to tease apart differences in biology of host-parasite interactions.
Collapse
Affiliation(s)
- Alejandro L. Antonia
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, USA
| | - Liuyang Wang
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, USA
| | - Dennis C. Ko
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, USA
- Division of Infectious Diseases, Department of Medicine, Duke University, Durham, NC, USA
| |
Collapse
|
13
|
Agallou M, Pantazi E, Tsiftsaki E, Toubanaki DK, Gaitanaki C, Smirlis D, Karagouni E. Induction of protective cellular immune responses against experimental visceral leishmaniasis mediated by dendritic cells pulsed with the N-terminal domain of Leishmania infantum elongation factor-2 and CpG oligodeoxynucleotides. Mol Immunol 2018; 103:7-20. [PMID: 30173073 DOI: 10.1016/j.molimm.2018.08.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 07/13/2018] [Accepted: 08/03/2018] [Indexed: 12/26/2022]
Abstract
Leishmania elongation factor 2 (EF-2) has been previously identified as a TH1-stimulatory protein. In this study, we assayed the protective potential of the N-terminal domain of EF-2 (N-LiEF-2, 1-357 aa) that has been predicted to contain several overlapping MHC class I and II-restricted epitopes injected in the form of dendritic cell (DC)-based vaccine. Ex vivo pulsing of DCs with the recombinant N-LiEF-2 domain along with CpG oligodeoxynucleotides (ODNs) resulted in their functional differentiation. BALB/c vaccinated with CpG-triggered DCs pulsed with N-LiEF-2 were found to be the most immune-reactive in terms of induction of DTH responses, increased T cell proliferation and IL-2 production. Moreover, vaccination induced antigen-specific TH1 type immune response as evidenced by increased IFN-γ and TNFα levels followed by a significant increase of nitrite (NO) and reactive oxygen species (ROS) in splenocyte cultures. Vaccinated mice showed a pronounced decrease in parasite load in spleen and liver when challenged with L. infantum, increased expression of Stat1 and Tbx21 mRNA transcripts versus reduced expression of Foxp3 transcripts and were able to produce significantly elevated levels of IL-2, IFN-γ and TNFα but not IL-10 compared to non-vaccinated mice. Both antigen and parasite-specific CD4+ T and CD8+ T cells contributed to the IFN-γ production indicating that both subtypes contribute to the resistance to infection and correlated with robust nitrite generation, critical in controlling Leishmania infection. Together, these findings demonstrated the immunogenic as well as protective potential of the N-terminal domain of Leishmania EF-2 when given with CpG-triggered DCs representing a basis for the development of rationalized vaccine against leishmaniasis.
Collapse
Affiliation(s)
- Maria Agallou
- Laboratory of Parasite Immunology, Department of Microbiology, Hellenic Pasteur Institute, 127 Vasilissis Sofias Avenue, 115 21 Athens, Greece
| | - Eleni Pantazi
- Laboratory of Parasite Immunology, Department of Microbiology, Hellenic Pasteur Institute, 127 Vasilissis Sofias Avenue, 115 21 Athens, Greece; Department of Animal and Human Physiology, School of Biology, University of Athens, University Campus, 15784 Athens, Greece
| | - Elisavet Tsiftsaki
- Laboratory of Parasite Immunology, Department of Microbiology, Hellenic Pasteur Institute, 127 Vasilissis Sofias Avenue, 115 21 Athens, Greece; Department of Animal and Human Physiology, School of Biology, University of Athens, University Campus, 15784 Athens, Greece
| | - Dimitra K Toubanaki
- Laboratory of Parasite Immunology, Department of Microbiology, Hellenic Pasteur Institute, 127 Vasilissis Sofias Avenue, 115 21 Athens, Greece
| | - Catherine Gaitanaki
- Department of Animal and Human Physiology, School of Biology, University of Athens, University Campus, 15784 Athens, Greece
| | - Despina Smirlis
- Laboratory of Molecular Parasitology, Department of Microbiology, Hellenic Pasteur Institute, 127 Vasilissis Sofias Avenue, 115 21 Athens, Greece
| | - Evdokia Karagouni
- Laboratory of Parasite Immunology, Department of Microbiology, Hellenic Pasteur Institute, 127 Vasilissis Sofias Avenue, 115 21 Athens, Greece.
| |
Collapse
|
14
|
Müller KE, Zampieri RA, Aoki JI, Muxel SM, Nerland AH, Floeter-Winter LM. Amino acid permease 3 (aap3) coding sequence as a target for Leishmania identification and diagnosis of leishmaniases using high resolution melting analysis. Parasit Vectors 2018; 11:421. [PMID: 30012182 PMCID: PMC6048756 DOI: 10.1186/s13071-018-2989-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 07/03/2018] [Indexed: 11/23/2022] Open
Abstract
Background The leishmaniases comprise a spectrum of clinical manifestations caused by different species of Leishmania. Identification of species is important for diagnosis, treatment and follow-up management. However, there is no gold standard for species identification. High resolution melting analysis (HRM) offers a possibility to differentiate Leishmania species without the need for processing of the PCR-product. The amino acid permease 3 (aap3) gene is an exclusive target for trypanosomatids and is conserved among Leishmania spp., thus it can be a valuable target for an HRM assay for diagnosis of the leishmaniases. Results The HRM dissociation profiles of three amplicons targeting the aap3-coding region allowed the discrimination of L. (Leishmania) donovani, L. (L.) infantum, L. (L.) major, L. (L.) tropica, L. (L.) mexicana, L. (L.) amazonensis, L. (Viannia) braziliensis, L. (V.) guyanensis, L. (V.) lainsoni, L. (V.) naiffi and L. (V.) shawi using DNA from promastigote cultures. The protocol was validated with DNA samples from clinical infection in humans and a cat, naturally infected sand flies, and experimentally infected mice. Conclusions HRM analysis using the aap3 coding sequence as target is a relatively cheap, fast and robust strategy to detect and discriminate Leishmania species from all the endemic regions worldwide. The target and method proved to be useful in clinical, field and experimental samples, thus it could be used as a tool in diagnosis as well as ecological and epidemiological studies. Electronic supplementary material The online version of this article (10.1186/s13071-018-2989-z) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Karl Erik Müller
- Department of Clinical Science, Faculty of Medicine, University of Bergen, Postboks 7804, 5020, Bergen, Norway.
| | - Ricardo Andrade Zampieri
- Department of Physiology, Institute of Biosciences, University of São Paulo, Rua do Matão Travessa 14 no. 101, São Paulo, SP, 05508900, Brazil
| | - Juliana Ide Aoki
- Department of Physiology, Institute of Biosciences, University of São Paulo, Rua do Matão Travessa 14 no. 101, São Paulo, SP, 05508900, Brazil
| | - Sandra Marcia Muxel
- Department of Physiology, Institute of Biosciences, University of São Paulo, Rua do Matão Travessa 14 no. 101, São Paulo, SP, 05508900, Brazil
| | - Audun Helge Nerland
- Department of Clinical Science, Faculty of Medicine, University of Bergen, Postboks 7804, 5020, Bergen, Norway
| | - Lucile Maria Floeter-Winter
- Department of Physiology, Institute of Biosciences, University of São Paulo, Rua do Matão Travessa 14 no. 101, São Paulo, SP, 05508900, Brazil
| |
Collapse
|
15
|
Galluzzi L, Ceccarelli M, Diotallevi A, Menotta M, Magnani M. Real-time PCR applications for diagnosis of leishmaniasis. Parasit Vectors 2018; 11:273. [PMID: 29716641 PMCID: PMC5930967 DOI: 10.1186/s13071-018-2859-8] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 04/18/2018] [Indexed: 11/10/2022] Open
Abstract
Leishmaniasis is a vector-borne disease caused by many Leishmania species, which can infect both humans and other mammals. Leishmaniasis is a complex disease, with heterogeneous clinical manifestations ranging from asymptomatic infections to lesions at cutaneous sites (cutaneous leishmaniasis), mucosal sites (mucocutaneous leishmaniasis) or in visceral organs (visceral leishmaniasis), depending on the species and host characteristics. Often, symptoms are inconclusive and leishmaniasis can be confused with other co-endemic diseases. Moreover, co-infections (mainly with HIV in humans) can produce atypical clinical presentations. A correct diagnosis is crucial to apply the appropriate treatment and the use of molecular techniques in diagnosis of leishmaniasis has become increasingly relevant due to their remarkable sensitivity, specificity and possible application to a variety of clinical samples. Among them, real-time PCR (qPCR)-based approaches have become increasingly popular in the last years not only for detection and quantification of Leishmania species but also for species identification. However, despite qPCR-based methods having proven to be very effective in the diagnosis of leishmaniasis, a standardized method does not exist. This review summarizes the qPCR-based methods in the diagnosis of leishmaniasis focusing on the recent developments and applications in this field.
Collapse
Affiliation(s)
- Luca Galluzzi
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, via Saffi 2, 61029 Urbino, PU Italy
| | - Marcello Ceccarelli
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, via Saffi 2, 61029 Urbino, PU Italy
| | - Aurora Diotallevi
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, via Saffi 2, 61029 Urbino, PU Italy
| | - Michele Menotta
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, via Saffi 2, 61029 Urbino, PU Italy
| | - Mauro Magnani
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, via Saffi 2, 61029 Urbino, PU Italy
| |
Collapse
|
16
|
Margaroni M, Agallou M, Athanasiou E, Kammona O, Kiparissides C, Gaitanaki C, Karagouni E. Vaccination with poly(D,L-lactide-co-glycolide) nanoparticles loaded with soluble Leishmania antigens and modified with a TNFα-mimicking peptide or monophosphoryl lipid A confers protection against experimental visceral leishmaniasis. Int J Nanomedicine 2017; 12:6169-6184. [PMID: 28883727 PMCID: PMC5574665 DOI: 10.2147/ijn.s141069] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Visceral leishmaniasis (VL) persists as a major public health problem, and since the existing chemotherapy is far from satisfactory, development of an effective vaccine emerges as the most appropriate strategy for confronting VL. The development of an effective vaccine relies on the selection of the appropriate antigen and also the right adjuvant and/or delivery vehicle. In the present study, the protective efficacy of poly(D,L-lactide-co-glycolide) (PLGA) nanoparticles (NPs), which were surface-modified with a TNFα-mimicking eight-amino-acid peptide (p8) and further functionalized by encapsulating soluble Leishmania infantum antigens (sLiAg) and monophosphoryl lipid A (MPLA), a TLR4 ligand, was evaluated against challenge with L. infantum parasites in BALB/c mice. Vaccination with these multifunctionalized PLGA nanoformulations conferred significant protection against parasite infection in vaccinated mice. In particular, vaccination with PLGA-sLiAg-MPLA or p8-PLGA-sLiAg NPs resulted in almost complete elimination of the parasite in the spleen for up to 4 months post-challenge. Parasite burden reduction was accompanied by antigen-specific humoral and cellular immune responses. Specifically, injection with PLGA-sLiAg-MPLA raised exclusively anti-sLiAg IgG1 antibodies post-vaccination, while in p8-PLGA-sLiAg-vaccinated mice, no antibody production was detected. However, 4 months post-challenge, in mice vaccinated with all the multifunctionalized NPs, antibody class switching towards IgG2a subtype was observed. The study of cellular immune responses revealed the increased proliferation capacity of spleen cells against sLiAg, consisting of IFNγ-producing CD4+ and CD8+ T cells. Importantly, the activation of CD8+ T cells was exclusively attributed to vaccination with PLGA NPs surface-modified with the p8 peptide. Moreover, characterization of cytokine production in vaccinated-infected mice revealed that protection was accompanied by significant increase of IFNγ and lower levels of IL-4 and IL-10 in protected mice when compared to control infected group. Conclusively, the above nanoformulations hold promise for future vaccination strategies against VL.
Collapse
Affiliation(s)
- Maritsa Margaroni
- Laboratory of Cellular Immunology, Department of Microbiology, Hellenic Pasteur Institute.,Department of Animal and Human Physiology, School of Biology, National and Kapodistrian University of Athens, Athens
| | - Maria Agallou
- Laboratory of Cellular Immunology, Department of Microbiology, Hellenic Pasteur Institute
| | - Evita Athanasiou
- Laboratory of Cellular Immunology, Department of Microbiology, Hellenic Pasteur Institute
| | - Olga Kammona
- Chemical Process & Energy Resources Institute, Centre for Research and Technology Hellas
| | - Costas Kiparissides
- Chemical Process & Energy Resources Institute, Centre for Research and Technology Hellas.,Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Catherine Gaitanaki
- Department of Animal and Human Physiology, School of Biology, National and Kapodistrian University of Athens, Athens
| | - Evdokia Karagouni
- Laboratory of Cellular Immunology, Department of Microbiology, Hellenic Pasteur Institute
| |
Collapse
|
17
|
Eberhardt E, Mondelaers A, Hendrickx S, Van den Kerkhof M, Maes L, Caljon G. Molecular detection of infection homogeneity and impact of miltefosine treatment in a Syrian golden hamster model of Leishmania donovani and L. infantum visceral leishmaniasis. Parasitol Res 2016; 115:4061-70. [PMID: 27412759 DOI: 10.1007/s00436-016-5179-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 06/20/2016] [Indexed: 02/07/2023]
Abstract
Control of visceral leishmaniasis caused by Leishmania infantum and Leishmania donovani primarily relies on chemotherapy using an increasingly compromised repertoire of antileishmanial compounds. For evaluation of novel drugs, the Syrian golden hamster is considered as a clinically relevant laboratory model. In this study, two molecular parasite detection assays were developed targeting cathepsin-like cysteine protease B (CPB) DNA and 18S rRNA to achieve absolute amastigote quantification in the major target organs liver and spleen. Both quantitative PCR (qPCR) techniques showed excellent agreement with a strong correlation with the conventional microscopic reading of Giemsa-stained tissue smears. Using multiple single tissue pieces and all three detection methods, we confirmed homogeneity of infection in liver and spleen and the robustness of extrapolating whole organ burdens from a small single tissue piece. Comparison of pre- and post-treatment burdens in infected hamsters using the three detection methods consistently revealed a stronger parasite reduction in the spleen compared to the liver, indicating an organ-dependent clearance efficacy for miltefosine. In conclusion, this study in the hamster demonstrated high homogeneity of infection in liver and spleen and advocates the use of molecular detection methods for assessment of low (post-treatment) tissue burdens.
Collapse
Affiliation(s)
- Eline Eberhardt
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Room S7.24, Campus Drie Eiken, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Annelies Mondelaers
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Room S7.24, Campus Drie Eiken, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Sarah Hendrickx
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Room S7.24, Campus Drie Eiken, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Magali Van den Kerkhof
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Room S7.24, Campus Drie Eiken, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Louis Maes
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Room S7.24, Campus Drie Eiken, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Guy Caljon
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Room S7.24, Campus Drie Eiken, Universiteitsplein 1, B-2610, Wilrijk, Belgium.
| |
Collapse
|
18
|
Toubanaki DK, Athanasiou E, Karagouni E. Gold nanoparticle-based lateral flow biosensor for rapid visual detection of Leishmania-specific DNA amplification products. J Microbiol Methods 2016; 127:51-58. [PMID: 27255490 DOI: 10.1016/j.mimet.2016.05.027] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 05/26/2016] [Accepted: 05/28/2016] [Indexed: 01/22/2023]
Abstract
Leishmaniasis is a disease, caused by Leishmania parasites, which infect humans and animals, posing a major social and economic burden worldwide. The need for accurate and sensitive disease diagnosis led to the widespread adoption of PCR amplification. Detection of the amplification products (i.e. gel electrophoresis) require time-consuming protocols performed by trained personnel, with high cost. Aim of the present study was the simplification of PCR product detection, using a nucleic acid lateral flow, combined with functionalized gold nanoparticles. Amplification reactions targeting kinetoplastid DNA of Leishmania spp were performed on canine blood samples and a positive signal was formed as a red test zone. The visual detection was completed in 20min. Extensive optimization enabled the detection of 100fmol of target DNA. Clinical samples of infected dog blood were analyzed with high specificity. Overall, the proposed lateral flow biosensor can be considered an appealing alternative platform for Leishmania-specific amplification products detection with low cost and attractive simplicity.
Collapse
Affiliation(s)
- Dimitra K Toubanaki
- Laboratory of Cellular Immunology, Department of Microbiology, Hellenic Pasteur Institute, 127 Vas. Sofias Ave., 11521 Athens, Greece.
| | - Evita Athanasiou
- Laboratory of Cellular Immunology, Department of Microbiology, Hellenic Pasteur Institute, 127 Vas. Sofias Ave., 11521 Athens, Greece.
| | - Evdokia Karagouni
- Laboratory of Cellular Immunology, Department of Microbiology, Hellenic Pasteur Institute, 127 Vas. Sofias Ave., 11521 Athens, Greece.
| |
Collapse
|
19
|
Babuadze G, Farlow J, de Koning HP, Carrillo E, Chakhunashvili G, Murskvaladze M, Kekelidze M, Karseladze I, Kokaia N, Kalandadze I, Tsereteli D, Markhvashvili I, Sidamonidze K, Chanturia G, Adeishvili E, Imnadze P. Seroepidemiology and molecular diversity of Leishmania donovani complex in Georgia. Parasit Vectors 2016; 9:279. [PMID: 27177688 PMCID: PMC4866401 DOI: 10.1186/s13071-016-1558-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Accepted: 05/02/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Leishmaniasis includes multiple clinical syndromes, most notably visceral, cutaneous, and mucosal forms. Visceral leishmaniasis (VL), also known as kala-azar, is a potentially fatal disease endemic to large parts of Africa and Asia, and in South-Eastern Europe (Greece, Turkey, Georgia). Visceral leishmaniasis is a parasitic zoonosis caused by species of the L. donovani complex. In the classical epidemiological model the main reservoir for VL are canines. METHODS The study included a cohort of 513 individuals of both genders (190 males and 323 females) from the ages of 1 to 70 years that were screened in ten villages across two districts in Kakheti using the Kalazar Detect™ rK39 rapid diagnostic test. The phylogenetic diversity patterns of local strains, based on the rDNA internal transcribed spacer (ITS) sequences, were assessed for samples obtained from patients with suspected L. donovani infection, from canine reservoirs and from Phlebotomus sand flies obtained from different geographical areas of Georgia and from Azerbaijan. RESULTS Out of a total of 600 domestic dog blood samples 95 (15.8 %) were positive by rK39 rapid diagnostic tests. For symptomatic domestic dogs, the testing of conjunctival swabs or bone marrow aspirates revealed a higher VL incidence in Kvareli District (Kvareli; 19.4 %, n = 329) compared with that observed for Sagarejo District (Sagarejo; 11.4 %, n = 271). A total of 231 sand flies of both genders were collected during the 2-month period; of the 114 females, 1.75 % were PCR positive for the presence of Leishmania spp. CONCLUSIONS VL infection rates remain high in both canines and humans in Georgia, with disease in several known natural foci. The genetic relationships derived from rDNA internal transcribed spacer (ITS) sequence comparisons identified genetic subgroups, revealing preliminary insights into the genetic structure of L. donovani complex members currently circulating in the South Caucasus and demonstrates the utility of ITS-based genotyping in the resource-limited country of Georgia.
Collapse
Affiliation(s)
- Giorgi Babuadze
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia. .,Ilia State University, Tbilisi, Georgia.
| | - Jason Farlow
- Farlow Scientific Consulting Company, Lewiston, UT, USA
| | - Harry P de Koning
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G43 2DX, UK
| | - Eugenia Carrillo
- Unit of Leishmaniasis and Chagas Disease, WHO Collaborating Centre for Leishmaniasis, National Center for Microbiology, Institute of Health Carlos III, Madrid, Spain
| | - Giorgi Chakhunashvili
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia
| | | | - Merab Kekelidze
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia
| | - Irakli Karseladze
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia
| | - Nora Kokaia
- S. Virsaladze Research Institute of Medical Parasitology and Tropical Medicine, Tbilisi, Georgia
| | - Irine Kalandadze
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia
| | - David Tsereteli
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia
| | - Ivane Markhvashvili
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia
| | - Ketevan Sidamonidze
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia
| | - Gvantsa Chanturia
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia
| | - Ekaterine Adeishvili
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia
| | - Paata Imnadze
- National Center for Disease Control and Public Health of Georgia, 9 M. Asatiani Str. 0186, Tbilisi, Georgia
| |
Collapse
|
20
|
Pinheiro IM, Carvalho IP, de Carvalho CES, Brito LM, da Silva ABS, Conde Júnior AM, de Carvalho FAA, Carvalho ALM. Evaluation of the in vivo leishmanicidal activity of amphotericin B emulgel: An alternative for the treatment of skin leishmaniasis. Exp Parasitol 2016; 164:49-55. [PMID: 26902606 DOI: 10.1016/j.exppara.2016.02.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 02/15/2016] [Accepted: 02/17/2016] [Indexed: 01/06/2023]
Abstract
The American Cutaneous Leishmaniasis (ACL) is an infectious disease that can be fatal. The first line of treatment is pentavalent antimonies. However, due to its potential to develop resistance, Amphotericin B (AmB) started to be used as an alternative medicine. Current treatments are limited, a fact that has led to a growing interesting in developing new therapies. This study aims to evaluate the therapeutic potential in vivo of an amphotericin B + oleic acid (OA) emulgel in the treatment of cutaneous leishmaniasis in an experimental model. Strains of Leishmania major MHOM/IL/80/Friendlin of Leishmania major were used. The animals were inoculated subcutaneously. After the development of leishmanial, nodular or ulcerative lesions, the animals were divided into three groups (control, Group A and Group B) and treated twice a day for twelve days. The weight of the animals was measured and the size of the lesions was observed. A histopathological analysis was performed with skin fragments of lesions and with the spleen of animals treated with different treatments (emulgel, AmB 3% emulgel and AmB 3% plus OA 5% emulgel). It was observed that when subjected to treatment with AmB 3% emulgel during the study period using both formulations, with enhancer and without enhancer, ulcerative lesions regress gradually or even complete cure. The quantification of the average number of parasites recovered from the inoculation site was made after the treatment in each group and the differences were considered significant. The treatment with AmB 3% and OA 5% emulgel had the best in vivo therapeutic response, showing good prospects for cutaneous leishmaniasis therapy as an alternative therapy.
Collapse
Affiliation(s)
| | - Ivana Pereira Carvalho
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade de São Paulo, Ribeirão Preto, Brazil
| | | | - Lucas Moreira Brito
- Programa de Pós-Graduação em Farmacologia, Universidade Federal do Piauí, Brazil
| | | | - Airton Mendes Conde Júnior
- Adjunto do Departamento de Morfologia do Centro de Ciências da Saúde, Universidade Federal do Piauí, Brazil
| | | | | |
Collapse
|