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Pinheiro LJ, Paranaíba LF, Alves AF, Parreiras PM, Gontijo NF, Soares RP, Tafuri WL. Salivary Gland Extract Modulates the Infection of Two Leishmania enriettii Strains by Interfering With Macrophage Differentiation in the Model of Cavia porcellus. Front Microbiol 2018; 9:969. [PMID: 29896161 PMCID: PMC5986888 DOI: 10.3389/fmicb.2018.00969] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 04/25/2018] [Indexed: 12/13/2022] Open
Abstract
The subgenus Mundinia includes several Leishmania species that have human and veterinary importance. One of those members, Leishmania Mundinia enriettii was isolated from the guinea pig Cavia porcellus in the 1940s. Several histopathological studies have already been performed in this species in the absence of salivary gland extract (SGE), which are determinant and the early and future events of the infection. Our main hypothesis is that SGE could differentially modulate the course of the lesion and macrophage differentiation caused by avirulent and virulent L. enriettii strains. Here, the C. porcellus nasal region was infected using needles with two strains of L. enriettii (L88 and Cobaia) in the presence/absence of SGE and followed for 12 weeks. Those strains vary in terms of virulence, and their histopathological development was characterized. Some L88-infected animals could develop ulcerated/nodular lesions, whereas Cobaia strain developed non-ulcerated nodular lesions. Animals experimentally inoculated developed a protuberance and/or lesion after the 4th and 5th weeks of infection. Macroscopically, the size of lesion in L88-infected animals was smaller in the presence of SGE. Remarkable differences were detected microscopically in the presence of SGE for both strains. After the 6th and 7th weeks, L88-infected animals were heavily parasitized with an intense inflammatory profile bearing amastigotes and pro-inflammatory cells compared to those infected by Cobaia strain. Morphometry analysis revealed that L1+ macrophages were abundant in the L88 infection, but not in the Cobaia infection. In the presence of SGE, an increased CD163+ macrophage infiltrate by both strains was detected. Interestingly, this effect was more pronounced in Cobaia-infected animals. This study showed the role of SGE during the course of L. enriettii (strains L88 and Cobaia) infection and its role in modulating macrophage attraction to the lesion site. SGE decreased L1+ macrophages and this may favor an escaping mechanism for L88 parasites. On the other hand, in the presence of SGE, an increase in CD163+ cells during Cobaia infection may be important for its control. Although both strains healed at the end of the infection, the role of SGE was determinant for the kinetics of the immunopathological events in this dermotropic species.
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Affiliation(s)
- Lucélia J Pinheiro
- Departamento de Patologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Larissa F Paranaíba
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Adriano F Alves
- Departamento de Patologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Nelder F Gontijo
- Departamento de Patologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rodrigo P Soares
- Instituto René Rachou, Fundação Oswaldo Cruz Belo Horizonte, Brazil
| | - Wagner L Tafuri
- Departamento de Patologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Paranaíba LF, de Assis RR, Nogueira PM, Torrecilhas AC, Campos JH, Silveira ACDO, Martins-Filho OA, Pessoa NL, Campos MA, Parreiras PM, Melo MN, Gontijo NDF, Soares RPP. Leishmania enriettii: biochemical characterisation of lipophosphoglycans (LPGs) and glycoinositolphospholipids (GIPLs) and infectivity to Cavia porcellus. Parasit Vectors 2015; 8:31. [PMID: 25595203 PMCID: PMC4311450 DOI: 10.1186/s13071-015-0633-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2014] [Accepted: 01/01/2015] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Leishmania enriettii is a species non-infectious to man, whose reservoir is the guinea pig Cavia porcellus. Many aspects of the parasite-host interaction in this model are unknown, especially those involving parasite surface molecules. While lipophosphoglycans (LPGs) and glycoinositolphospholipids (GIPLs) of Leishmania species from the Old and New World have already been described, glycoconjugates of L. enriettii and their importance are still unknown. METHODS Mice peritoneal macrophages from C57BL/6 and knock-out (TLR2 -/-, TLR4 -/-) were primed with IFN-γ and stimulated with purified LPG and GIPLs from both species. Nitric oxide and cytokine production were performed. MAPKs (p38 and JNK) and NF-kB activation were evaluated in J774.1 macrophages and CHO cells, respectively. RESULTS LPGs were extracted, purified and analysed by western-blot, showing that LPG from L88 strain was longer than that of Cobaia strain. LPGs and GIPLs were depolymerised and their sugar content was determined. LPGs from both strains did not present side chains, having the common disaccharide Gal(β1,4)Man(α1)-PO4. The GIPL from L88 strain presented galactose in its structure, suggestive of type II GIPL. On the other hand, the GIPL of Cobaia strain presented an abundance of glucose, a characteristic not previously observed. Mice peritoneal macrophages from C57BL/6 and knock-outs (TLR2 -/- and TLR4 -/-) were primed with IFN-γ and stimulated with glycoconjugates and live parasites. No activation of NO or cytokines was observed with live parasites. On the other hand, LPGs and GIPLs were able to activate the production of NO, IL-6, IL-12 and TNF-α preferably via TRL2. However, in CHO cells, only GIPLs were able to activate TRL2 and TRL4. In vivo studies using male guinea pigs (Cavia porcellus) showed that only strain L88 was able to develop more severe ulcerated lesions especially in the presence of salivary gland extract (SGE). CONCLUSION The two L. enriettii strains exhibited polymorphisms in their LPGs and GIPLs and those features may be related to a more pro-inflammatory profile in the L88 strain.
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Affiliation(s)
- Larissa Ferreira Paranaíba
- Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil. .,Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
| | - Rafael Ramiro de Assis
- Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil.
| | - Paula Monalisa Nogueira
- Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil. .,Laboratory of Cellular and Molecular Parasitology, Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz, FIOCRUZ, Av. Augusto de Lima 1715, Belo Horizonte, Minas Gerais, 30190-002, Brazil.
| | - Ana Claúdia Torrecilhas
- Laboratório de Imunologia Celular e Bioquímica de Fungos e Protozoários, Departamento de Ciências Biológicas, Campus Diadema, Universidade Federal de São Paulo, UNIFESP, São Paulo, SP, Brazil.
| | - João Henrique Campos
- Laboratório de Imunologia Celular e Bioquímica de Fungos e Protozoários, Departamento de Ciências Biológicas, Campus Diadema, Universidade Federal de São Paulo, UNIFESP, São Paulo, SP, Brazil.
| | | | | | - Natalia Lima Pessoa
- Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil.
| | - Marco Antônio Campos
- Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil.
| | | | - Maria Norma Melo
- Laboratório de Biologia de Leishmania, Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
| | - Nelder de Figueiredo Gontijo
- Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
| | - Rodrigo Pedro Pinto Soares
- Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz, FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil. .,Laboratory of Cellular and Molecular Parasitology, Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz, FIOCRUZ, Av. Augusto de Lima 1715, Belo Horizonte, Minas Gerais, 30190-002, Brazil.
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Matta MA, Aleksitch V, Angluster J, Alviano CS, De Souza W, Andrade AF, Esteves MJ. Occurrence of N-acetyl- and N-O-diacetyl-neuraminic acid derivatives in wild and mutant Crithidia fasciculata. Parasitol Res 1995; 81:426-33. [PMID: 7501643 DOI: 10.1007/bf00931505] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The cell-surface expression of sialic acids in wild-type Crithidia fasciculata and three drug-resistant mutants (FU(R)11, TR3, and TFRR1) was analyzed using fluorescein-labeled Limulus polyphemus agglutinin (LPA) binding, glycosidase of known sugar specificity, and thin-layer chromatography (TLC). Gas-liquid chromatography-mass spectrometry (GC-MS) analysis using both electron-impact (EI-MS) and chemical ionization (CI-MS) by isobutane with selected ion monitoring (SIM) was also used. The surface location of sialic acid was inferred from LPA binding to whole cells abrogated by previous treatment with neuraminidase. An exception occurred with the TFRR1 strain, which after incubation with neuraminidase showed increased reactivity with the fluorescent lectin. Both N-acetyl- and N-O-diacetyl-neuraminic acids were identified in the flagellates by TLC, with a clear predominance being noted for the former derivative. However, the content of N-O-diacetyl-neuraminic acid was preferentially found in the TFRR1 strain. The GC-MS analysis of the acidic component of the TFRR1 mutant strain confirmed the occurrence of N-acetyl-neuraminic acid (Neu5Ac) by the presence of the diagnostic ions (m/z values: 684 and 594 for CI-MS and 478, 298, and 317 for EI-MS) and also by comparison with the standard Neu5Ac retention time. GC-MS analysis also showed fragments (m/z values: 654 and 564 for CI-MS and 594, 478, 298, and 317 for EI-MS) expected for the 7-O- and 9-O-acetyl-N-acetyl-neuraminic acids (Neu5,7Ac2 and Neu 5,9Ac2, respectively).
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Affiliation(s)
- M A Matta
- Laboratório de Ultra-estrutura Celular (DUBC), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
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Schottelius J. Neoglycoproteins as tools for the detection of carbohydrate-specific receptors on the cell surface of Leishmania. Parasitol Res 1992; 78:309-15. [PMID: 1409531 DOI: 10.1007/bf00937089] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Promastigote and amastigote forms of human pathogenic Leishmania from the Old and New World, including promastigotes of L. enrietti, were tested with neoglycoproteins to ascertain the existence of endogenous lectins. These tools expose the chemically coupled sugar that is attached to the inert carrier as a potential ligand for the binding reaction. Agglutination tests demonstrated that the promastigotes of human Leishmania reacted only with the neoglycoproteins N-acetyl-D-galactosamine-para-aminophenyl-bovine serum albumin (gal-NAc-BSA) and N-acetyl-D-glucosamine-para-amino-phenyl-bovine serum albumin (glcNAc-BSA), whereas the amastigote forms failed to react with the neoglycoproteins. In contrast, the promastigotes of L. enriettii were agglutinated by the neoglycoprotein D-mannose-bovine serum albumin (man-BSA). The agglutination reactions could be inhibited by the homologous sugars N-acetyl-beta-D-glucosamine, N-acetyl-beta-D-galactosamine, and alpha-D-mannose. Fluorescence tests yielded the same results. The incubation of the promastigotes with ethylenedinitrolotetraacetic acid (EDTA) prevented their reaction with the neoglycoproteins, whereas the addition of calcium restored it. This result demonstrates that Leishmania express calcium-dependent lectins that are accessible on their surface.
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Affiliation(s)
- J Schottelius
- Bernhard-Nocht-Institute for Tropical Medicine, Hamburg, Federal Republic of Germany
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Abstract
Lectins are generally associated with plant or animal components, selectively bind carbohydrates, and interact with procaryotic and eucaryotic cells. Lectins have various specificities that are associated with their ability to interact with acetylaminocarbohydrates, aminocarbohydrates, sialic acids, hexoses, pentoses, and as other carbohydrates. Microbial surfaces generally contain many of the sugar residues that react with lectins. Lectins are presently used in the clinical laboratory to type blood cells and are used in a wide spectrum of applications, including, in part, as carriers of chemotherapeutic agents, as mitogens, for fractionation of animal cells, and for investigations of cellular surfaces. Numerous studies have shown that lectins can be used to identify rapidly certain microorganisms isolated from a clinical specimen or directly in a clinical specimen. Lectins have been demonstrated to be important diagnostic reagents in the major realms of clinical microbiology. Thus, they have been applied in bacteriology, mycology, mycobacteriology, and virology for the identification and/or differentiation of various microorganisms. Lectins have been used successfully as epidemiologic as well as taxonomic markers of specific microorganisms. Lectins provide the clinical microbiologist with cost-effective and potential diagnostic reagents. This review describes the applications of lectins in clinical microbiology.
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Affiliation(s)
- M Slifkin
- Department of Laboratory Medicine, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212
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Rudin W, Schwarzenbach M, Hecker H. Binding of lectins to culture and vector forms of Trypanosoma rangeli Tejera, 1920 (Protozoa, Kinetoplastida) and to structures of the vector gut. THE JOURNAL OF PROTOZOOLOGY 1989; 36:532-8. [PMID: 2689636 DOI: 10.1111/j.1550-7408.1989.tb01091.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Culture forms of Trypanosoma rangeli could be agglutinated with Canavalia ensiformis (Con A) lectin and, less effectively with Pisum sativum agglutinin (PEA), at a concentration of 200 micrograms/ml. Ricinus communis agglutinin I (RCA I) agglutinated trypanosomes only if they were not previously washed with physiological Ringer's solution. Three other lectins did not react with the same parasite forms. Direct or indirect lectin-gold labeling techniques were applied to LR-White embedded thin sections of T. rangeli culture forms and to forms in the gut, hemolymph, and salivary glands of Rhodnius prolixus. Under these conditions, Con A was the only lectin out of 9 that bound to the surface of trypanosomes from culture and from the bug hemolymph. Con A did not react with any midgut or salivary gland forms. The preservation of the biological activity of the lectin-gold complexes that did not bind to the parasite surface was confirmed by reactions with structures of the invertebrate host.
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Affiliation(s)
- W Rudin
- Swiss Tropical Institute, Basel
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Bose K, Ghosh DK, Bhattacharya A. Membrane carbohydrate characterization of Acanthamoeba astronyxis, A. castellanii and Naegleria fowleri by fluorescein-conjugated lectins. Int J Parasitol 1989; 19:737-41. [PMID: 2592141 DOI: 10.1016/0020-7519(89)90060-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A comparative study of membrane carbohydrate characteristics of pathogenic and non-pathogenic trophozoites and cysts of free-living Acanthamoeba castellanii, Naegleria fowleri and A. astronyxis, respectively from sewage sludge in India was carried out by means of fluorescein-conjugated lectin binding using eight lectins. Two lectins, viz. Concanavalin A and Phytohaemagglutinin P, could bind all free-living amoebae at different concentrations. The most notable feature of the study is that peanut agglutinin (PNA) and wheatgerm agglutinin (WGA) can differentiate between the pathogenic A. castellanii and non-pathogenic A. astronyxis strain, respectively. However, Ulex agglutinin I (UEA I) was the only lectin positive to both pathogenic A. castellanii and N. fowleri. During in vitro conversion from trophozoites to cysts, A. castellanii and N. fowleri cysts gained WGA-specific saccharide whereas A. castellanii; A. astronyxis and N. fowleri lost or reduced Dolichos biflorus agglutinin, PNA; WGA and ConA, and UEA I-specific saccharides, respectively. Neuraminidase could not alter the fluorescein-lectin binding to WGA and PNA. These demonstrated that only two lectins can recognize the factors giving Acanthamoeba their pathogenic (PNA-specific) and non-pathogenic (WGA-specific) status. More interestingly, UEA I can only differentiate between pathogenic and non-pathogenic amoebae. It is also suggested that during stage conversion the surface of the organism exhibited replacement of saccharides.
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Warburg A, Tesh RB, McMahon-Pratt D. Studies on the attachment of Leishmania flagella to sand fly midgut epithelium. THE JOURNAL OF PROTOZOOLOGY 1989; 36:613-7. [PMID: 2689638 DOI: 10.1111/j.1550-7408.1989.tb01104.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
An in vitro assay was developed to study the recognition mechanism for attachment of Leishmania flagella to sand fly midgut epithelium. Frozen sections of sand fly guts were incubated with flagella preparations, and probed with a flagella-specific monoclonal antibody. Tissue-specific adhesion of flagella to midgut epithelium was demonstrated by indirect immunofluorescence. None of the 13 sugars, screened to test for possible lectin-mediation, appeared to significantly inhibit the adhesion of flagella to gut sections. Similarly no inhibition was achieved by incubating flagella with pep 63 which inhibits the promastigote-macrophage recognition mechanism. Significant inhibition was attained by incubating flagella preparations with a monoclonal antibody which binds to a flagellar membrane-component. The possible relevance of the described mechanism for the biology of Leishmania in their sand fly hosts, is discussed.
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Affiliation(s)
- A Warburg
- Department of Epidemiology and Public Health, Yale University, School of Medicine, New Haven, Connecticut 06510
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Yoshikawa H, Tegoshi T, Yoshida Y. Detection of surface carbohydrates on Pneumocystis carinii by fluorescein-conjugated lectins. Parasitol Res 1987; 74:43-9. [PMID: 3125541 DOI: 10.1007/bf00534931] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Lectins react with a wide range of different carbohydrates (Table 1). Even so-called monospecific anti-H(O) lectins from Lotus tetragonolobus, Ulex europaeus, and Anguilla anguilla react not only with the anti-H determinant but also with several fucosylated carbohydrates. Consequently, the type of lectin receptor existing on the surface of Pneumocystis carinii should be determined, because only a carbohydrate analysis can demonstrate the kind of carbohydrates which exist on the cell surface of this parasite. For the purpose of this study we used fluorescent isothiocyanata (FITC)-conjugated lectins. Concanavalin A (Con A) and Maclura pomifera (MPA) agglutinin reacted to P. carinii at low concentrations, and the fluorescence intensity was gradually increased with the concentration of the lectins. With lectins from Bauhinia purpurea (BPA), Dolichos biflorus (DBA), Glycine max (SBA), Griffonia simplicifolia (GS-I, GS-II), and Triticum vulgaris (WGA), fluorescence was emitted at high concentrations, while Arachis hypogaea (PNA) and Ulex europaeus (UEA-I) agglutinins did not show fluorescence. The results suggest that P. carinii has abundant Con A- and MPA-specific carbohydrates on the surface.
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Affiliation(s)
- H Yoshikawa
- Department of Medical Zoology, Kyoto Prefectural University of Medicine, Japan
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