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Li Y, Yang W, Sun J, Lian X, Li X, Zhao X, Liu Y, Wang L, Song L. A DM9-containing protein from crab Eriocheir sinensis functions as a novel multipotent pattern recognition receptor. FISH & SHELLFISH IMMUNOLOGY 2024; 145:109356. [PMID: 38163495 DOI: 10.1016/j.fsi.2023.109356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 12/29/2023] [Accepted: 12/30/2023] [Indexed: 01/03/2024]
Abstract
DM9-containing protein in invertebrates functions as pattern recognition receptor (PRR) to play significant roles in innate immunity. In the present study, a novel DM9-containg protein (defined as EsDM9CP-1) was identified from the Chinese mitten crab Eriocheir sinensis. EsDM9CP-1 is composed of 330 amino acids containing a Methyltransf_FA domain and two tandem DM9 repeats. The deduced amino acid sequence of EsDM9CP-1 shared low similarity with the previously identified DM9CPs from other species, and it was closely clustered with Platyhelminthes DM9CPs and then assigned into the branch of invertebrate DM9CPs in the unrooted phylogenetic tree. The mRNA transcripts of EsDM9CP-1 were highly expressed in haemocytes, gill, and heart. After Aeromonas hydrophila stimulation, the expression levels of EsDM9CP-1 mRNA in haemocytes increased significantly at 3 h (3.88-fold, p < 0.05) and 6 h (2.71-fold, p < 0.05), compared with that of PBS group, respectively. EsDM9CP-1 protein was mainly distributed in the cytoplasm and membrane of haemocytes. The recombinant EsDM9CP-1 protein (rEsDM9CP-1) exhibited binding affinity to MAN, PGN, LPS and Poly (I:C), and also to Gram-positive bacteria (Staphylococcus aureus, Micrococcus luteus and Bacillus subtilis), Gram-negative bacteria (Escherichia coli, A. hydrophila and Vibrio splendidus) and fungi (Pichia pastoris and Metschnikowia bicuspidata) in a Ca2+-dependent manner. It was able to agglutinate A. hydrophila, S. aureus, M. luteus, M. bicuspidata and P. pastoris, and inhibit the growth of A. hydrophila and M. bicuspidate. These results suggested that EsDM9CP-1 in crab not only functioned as a PRR, but also agglutinated and inhibited the growth of microbes.
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Affiliation(s)
- Yinan Li
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Wenwen Yang
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Jiejie Sun
- Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Xingye Lian
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Xiaopeng Li
- Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Xinyu Zhao
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Yu Liu
- Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Lingling Wang
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Linsheng Song
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China.
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Lima C, Andrade-Barros AI, Carvalho FF, Falcão MAP, Lopes-Ferreira M. Inflammasome Coordinates Senescent Chronic Wound Induced by Thalassophryne nattereri Venom. Int J Mol Sci 2023; 24:ijms24098453. [PMID: 37176162 PMCID: PMC10179710 DOI: 10.3390/ijms24098453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 04/10/2023] [Accepted: 04/11/2023] [Indexed: 05/15/2023] Open
Abstract
Thalassophryne nattereri toadfish (niquim) envenomation, common in the hands and feet of bathers and fishermen in the north and northeast regions of Brazil, is characterized by local symptoms such as immediate edema and intense pain. These symptoms progress to necrosis that lasts for an extended period of time, with delayed healing. Wound healing is a complex process characterized by the interdependent role of keratinocytes, fibroblasts, and endothelial and innate cells such as neutrophils and macrophages. Macrophages and neutrophils are actively recruited to clear debris during the inflammatory phase of wound repair, promoting the production of pro-inflammatory mediators, and in the late stage, macrophages promote tissue repair. Our hypothesis is that injury caused by T. nattereri venom (VTn) leads to senescent wounds. In this study, we provide valuable information about the mechanism(s) behind the dysregulated inflammation in wound healing induced by VTn. We demonstrate in mouse paws injected with the venom the installation of γH2AX/p16Ink4a-dependent senescence with persistent neutrophilic inflammation in the proliferation and remodeling phases. VTn induced an imbalance of M1/M2 macrophages by maintaining a high number of TNF-α-producing M1 macrophages in the wound but without the ability to eliminate the persistent neutrophils. Chronic neutrophilic inflammation and senescence were mediated by cytokines such as IL-1α and IL-1β in a caspase-1- and caspase-11-dependent manner. In addition, previous blocking with anti-IL-1α and anti-IL-β neutralizing antibodies and caspase-1 (Ac YVAD-CMK) and caspase-11 (Wedelolactone) inhibitors was essential to control the pro-inflammatory activity of M1 macrophages induced by VTn injection, skewing towards an anti-inflammatory state, and was sufficient to block neutrophil recruitment and senescence.
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Affiliation(s)
- Carla Lima
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, São Paulo 05503-009, Brazil
| | - Aline Ingrid Andrade-Barros
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, São Paulo 05503-009, Brazil
| | - Fabiana Franco Carvalho
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, São Paulo 05503-009, Brazil
| | - Maria Alice Pimentel Falcão
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, São Paulo 05503-009, Brazil
| | - Monica Lopes-Ferreira
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, São Paulo 05503-009, Brazil
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Lopes Ferreira M, Falcão MAP, Bruni FM, Haddad V, Marques EE, Seibert CS, Lima C. Effective Pre-Clinical Treatment of Fish Envenoming with Polyclonal Antiserum. Int J Mol Sci 2023; 24:ijms24098338. [PMID: 37176045 PMCID: PMC10179662 DOI: 10.3390/ijms24098338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/23/2023] [Accepted: 03/23/2023] [Indexed: 05/15/2023] Open
Abstract
Envenomation by venomous fish, although not always fatal, is capable of causing damage to homeostasis by activating the inflammatory process, with the formation of edema, excruciating pain, necrosis that is difficult to heal, as well as hemodynamic and cardiorespiratory changes. Despite the wide variety of pharmacological treatments used to manage acute symptoms, none are effective in controlling envenomation. Knowing the essential role of neutralizing polyclonal antibodies in the treatment of envenoming for other species, such as snakes, this work aimed to produce a polyclonal antiserum in mice and test its ability to neutralize the main toxic effects induced by the venoms of the main venomous Brazilian fish. We found that the antiserum recognizes the main toxins present in the different venoms of Thalassophryne nattereri, Scorpaena plumieri, Potamotrygon gr. Orbignyi, and Cathorops spixii and was effective in pre-incubation trials. In an independent test, the antiserum applied immediately to the topical application of T. nattereri, P. gr orbygnyi, and C. spixii venoms completely abolished the toxic effects on the microcirculation, preventing alterations such as arteriolar contraction, slowing of blood flow in postcapillary venules, venular stasis, myofibrillar hypercontraction, and increased leukocyte rolling and adherence. The edematogenic and nociceptive activities induced by these venoms were also neutralized by the immediate application of the antiserum. Importantly, the antiserum prevented the acute inflammatory response in the lungs induced by the S. plumieri venom. The success of antiserum containing neutralizing polyclonal antibodies in controlling the toxic effects induced by different venoms offers a new strategy for the treatment of fish envenomation in Brazil.
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Affiliation(s)
- Monica Lopes Ferreira
- Immunoregulation Unit of Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, São Paulo 05503-900, Brazil
| | - Maria Alice Pimentel Falcão
- Immunoregulation Unit of Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, São Paulo 05503-900, Brazil
| | - Fernanda Miriane Bruni
- Immunoregulation Unit of Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, São Paulo 05503-900, Brazil
| | - Vidal Haddad
- Faculdade de Medicina, Universidade Estadual Paulista, Botucatu 18618-689, Brazil
| | - Elineide Eugênio Marques
- Environmental Sciences, Campus of Palmas, Federal University of Tocantins, Palmas 77001-090, Brazil
| | - Carla Simone Seibert
- Environmental Sciences, Campus of Palmas, Federal University of Tocantins, Palmas 77001-090, Brazil
| | - Carla Lima
- Immunoregulation Unit of Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, São Paulo 05503-900, Brazil
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Liu Y, Wang W, Sun J, Li Y, Wu S, Li Q, Dong M, Wang L, Song L. CgDM9CP-5-Integrin-MAPK Pathway Regulates the Production of CgIL-17s and Cgdefensins in the Pacific Oyster, Crassostrea gigas. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 210:245-258. [PMID: 36548464 PMCID: PMC9842941 DOI: 10.4049/jimmunol.2200016] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 11/19/2022] [Indexed: 12/24/2022]
Abstract
DM9 domain containing protein (DM9CP) is a family of newly identified recognition receptors exiting in most organisms except plants and mammals. In the current study, to our knowledge, a novel DM9CP-5 (CgDM9CP-5) with two tandem DM9 repeats and high expression level in gill was identified from the Pacific oyster, Crassostrea gigas. The deduced amino acid sequence of CgDM9CP-5 shared 62.1% identity with CgDM9CP-1 from C. gigas, and 47.8% identity with OeFAMeT from Ostrea edulis. The recombinant CgDM9CP-5 (rCgDM9CP-5) was able to bind d-mannose, LPS, peptidoglycan, and polyinosinic-polycytidylic acid, as well as fungi Pichia pastoris, Gram-negative bacteria Escherichia coli and Vibrio splendidus, and Gram-positive bacteria Staphylococcus aureus. The mRNA transcript of CgDM9CP-5 was highly expressed in gill, and its protein was mainly distributed in gill mucus. After the stimulations with V. splendidus and mannose, mRNA expression of CgDM9CP-5 in oyster gill was significantly upregulated and reached the peak level at 6 and 24 h, which was 13.58-fold (p < 0.05) and 14.01-fold (p < 0.05) of that in the control group, respectively. CgDM9CP-5 was able to bind CgIntegrin both in vivo and in vitro. After CgDM9CP-5 or CgIntegrin was knocked down by RNA interference, the phosphorylation levels of JNK and P38 in the MAPK pathway decreased, and the expression levels of CgIL-17s (CgIL-17-3, -4, -5, and -6), Cg-Defh1, Cg-Defh2, and CgMolluscidin were significantly downregulated. These results suggested that there was a pathway of DM9CP-5-Integrin-MAPK mediated by CgDM9CP-5 to regulate the release of proinflammatory factors and defensins in C. gigas.
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Affiliation(s)
- Yu Liu
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China
| | - Weilin Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China
| | - Jiejie Sun
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China
| | - Yinan Li
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China
| | - Shasha Wu
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China
| | - Qing Li
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China
| | - Miren Dong
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China
- Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, China; and
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, China
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, China
- Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, China; and
- Functional Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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In Silico Prediction of Anti-Infective and Cell-Penetrating Peptides from Thalassophryne nattereri Natterin Toxins. Pharmaceuticals (Basel) 2022; 15:ph15091141. [PMID: 36145362 PMCID: PMC9501638 DOI: 10.3390/ph15091141] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 09/01/2022] [Accepted: 09/06/2022] [Indexed: 12/14/2022] Open
Abstract
The therapeutic potential of venom-derived peptides, such as bioactive peptides (BAPs), is determined by specificity, stability, and pharmacokinetics properties. BAPs, including anti-infective or antimicrobial peptides (AMPs) and cell-penetrating peptides (CPPs), share several physicochemical characteristics and are potential alternatives to antibiotic-based therapies and drug delivery systems, respectively. This study used in silico methods to predict AMPs and CPPs derived from natterins from the venomous fish Thalassophryne nattereri. Fifty-seven BAPs (19 AMPs, 8 CPPs, and 30 AMPs/CPPs) were identified using the web servers CAMP, AMPA, AmpGram, C2Pred, and CellPPD. The physicochemical properties were analyzed using ProtParam, PepCalc, and DispHred tools. The membrane-binding potential and cellular location of each peptide were analyzed using the Boman index by APD3, and TMHMM web servers. All CPPs and two AMPs showed high membrane-binding potential. Fifty-four peptides were located in the plasma membrane. Peptide immunogenicity, toxicity, allergenicity, and ADMET parameters were evaluated using several web servers. Sixteen antiviral peptides and 37 anticancer peptides were predicted using the web servers Meta-iAVP and ACPred. Secondary structures and helical wheel projections were predicted using the PEP-FOLD3 and Heliquest web servers. Fifteen peptides are potential lead compounds and were selected to be further synthesized and tested experimentally in vitro to validate the in silico screening. The use of computer-aided design for predicting peptide structure and activity is fast and cost-effective and facilitates the design of potent therapeutic peptides. The results demonstrate that toxins form a natural biotechnological platform in drug discovery, and the presence of CPP and AMP sequences in toxin families opens new possibilities in toxin biochemistry research.
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Lima C, Andrade-Barros AI, Bernardo JTG, Balogh E, Quesniaux VF, Ryffel B, Lopes-Ferreira M. Natterin-Induced Neutrophilia Is Dependent on cGAS/STING Activation via Type I IFN Signaling Pathway. Int J Mol Sci 2022; 23:ijms23073600. [PMID: 35408954 PMCID: PMC8998820 DOI: 10.3390/ijms23073600] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 12/12/2022] Open
Abstract
Natterin is a potent pro-inflammatory fish molecule, inducing local and systemic IL-1β/IL-1R1-dependent neutrophilia mediated by non-canonical NLRP6 and NLRC4 inflammasome activation in mice, independent of NLRP3. In this work, we investigated whether Natterin activates mitochondrial damage, resulting in self-DNA leaks into the cytosol, and whether the DNA sensor cGAS and STING pathway participate in triggering the innate immune response. Employing a peritonitis mouse model, we found that the deficiency of the tlr2/tlr4, myd88 and trif results in decreased neutrophil influx to peritoneal cavities of mice, indicative that in addition to MyD88, TRIF contributes to neutrophilia triggered by TLR4 engagement by Natterin. Next, we demonstrated that gpcr91 deficiency in mice abolished the neutrophil recruitment after Natterin injection, but mice pre-treated with 2-deoxy-d-glucose that blocks glycolysis presented similar infiltration than WT Natterin-injected mice. In addition, we observed that, compared with the WT Natterin-injected mice, DPI and cyclosporin A treated mice had a lower number of neutrophils in the peritoneal exudate. The levels of dsDNA in the supernatant of the peritoneal exudate and processed IL-33 in the supernatant of the peritoneal exudate or cytoplasmic supernatant of the peritoneal cell lysate of WT Natterin-injected mice were several folds higher than those of the control mice. The recruitment of neutrophils to peritoneal cavity 2 h post-Natterin injection was intensely impaired in ifnar KO mice and partially in il-28r KO mice, but not in ifnγr KO mice. Finally, using cgas KO, sting KO, or irf3 KO mice we found that recruitment of neutrophils to peritoneal cavities was virtually abolished in response to Natterin. These findings reveal cytosolic DNA sensors as critical regulators for Natterin-induced neutrophilia.
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Affiliation(s)
- Carla Lima
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, Vital Brazil Avenue, São Paulo 05503-009, Brazil; (A.I.A.-B.); (J.T.G.B.); (M.L.-F.)
- Correspondence:
| | - Aline Ingrid Andrade-Barros
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, Vital Brazil Avenue, São Paulo 05503-009, Brazil; (A.I.A.-B.); (J.T.G.B.); (M.L.-F.)
| | - Jefferson Thiago Gonçalves Bernardo
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, Vital Brazil Avenue, São Paulo 05503-009, Brazil; (A.I.A.-B.); (J.T.G.B.); (M.L.-F.)
| | - Eniko Balogh
- MTA-DE Lendület Vascular Pathophysiology Research Group, Research Centre for Molecular Medicine, Faculty of Medicine, University of Debrecen, 4027 Debrecen, Hungary;
| | - Valerie F. Quesniaux
- Molecular and Experimental Immunology and Neurogenetics (INEM), UMR7355, CNRS and University of Orléans, 45071 Orléans, France; (V.F.Q.); (B.R.)
| | - Bernhard Ryffel
- Molecular and Experimental Immunology and Neurogenetics (INEM), UMR7355, CNRS and University of Orléans, 45071 Orléans, France; (V.F.Q.); (B.R.)
| | - Monica Lopes-Ferreira
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, Vital Brazil Avenue, São Paulo 05503-009, Brazil; (A.I.A.-B.); (J.T.G.B.); (M.L.-F.)
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Lopes-Ferreira M, Sosa-Rosales I, Silva Junior PI, Conceicao K, Maleski ALA, Balan-Lima L, Disner GR, Lima C. Molecular Characterization and Functional Analysis of the Nattectin-like Toxin from the Venomous Fish Thalassophryne maculosa. Toxins (Basel) 2021; 14:toxins14010002. [PMID: 35050979 PMCID: PMC8778695 DOI: 10.3390/toxins14010002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/08/2021] [Accepted: 11/15/2021] [Indexed: 01/02/2023] Open
Abstract
TmC4-47.2 is a toxin with myotoxic activity found in the venom of Thalassophryne maculosa, a venomous fish commonly found in Latin America whose envenomation produces an injury characterized by delayed neutrophil migration, production of major pro-inflammatory cytokines, and necrosis at the wound site, as well as a specific systemic immune response. However, there are few studies on the protein structure and functions associated with it. Here, the toxin was identified from the crude venom by chromatography and protein purification systems. TmC4-47.2 shows high homology with the Nattectin from Thalassophryne nattereri venom, with 6 cysteines and QPD domain for binding to galactose. We confirm its hemagglutinating and microbicide abilities independent of carbohydrate binding, supporting its classification as a nattectin-like lectin. After performing the characterization of TmC4-47.2, we verified its ability to induce an increase in the rolling and adherence of leukocytes in cremaster post-capillary venules dependent on the α5β1 integrin. Finally, we could observe the inflammatory activity of TmC4-47.2 through the production of IL-6 and eotaxin in the peritoneal cavity with sustained recruitment of eosinophils and neutrophils up to 24 h. Together, our study characterized a nattectin-like protein from T. maculosa, pointing to its role as a molecule involved in the carbohydrate-independent agglutination response and modulation of eosinophilic and neutrophilic inflammation.
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Affiliation(s)
- Monica Lopes-Ferreira
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brasil Avenue, 1500 Butantan, Sao Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (G.R.D.); (C.L.)
- Correspondence:
| | - Ines Sosa-Rosales
- Escuela de Ciências Aplicadas del Mar, Universidad de Oriente, Boca de Rio 6304, Venezuela;
| | - Pedro Ismael Silva Junior
- Protein Chemistry Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brasil Avenue, 1500 Butantan, Sao Paulo 05503-009, Brazil;
| | - Katia Conceicao
- Peptide Biochemistry Laboratory, UNIFESP, Sao Jose dos Campos 12247-014, Brazil;
| | - Adolfo Luis Almeida Maleski
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brasil Avenue, 1500 Butantan, Sao Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (G.R.D.); (C.L.)
- Post-Graduation Program of Toxinology, Butantan Institute, Vital Brasil Avenue, 1500 Butantan, Sao Paulo 05503-009, Brazil
| | - Leticia Balan-Lima
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brasil Avenue, 1500 Butantan, Sao Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (G.R.D.); (C.L.)
| | - Geonildo Rodrigo Disner
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brasil Avenue, 1500 Butantan, Sao Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (G.R.D.); (C.L.)
| | - Carla Lima
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brasil Avenue, 1500 Butantan, Sao Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (G.R.D.); (C.L.)
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8
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The Natterin Proteins Diversity: A Review on Phylogeny, Structure, and Immune Function. Toxins (Basel) 2021; 13:toxins13080538. [PMID: 34437409 PMCID: PMC8402412 DOI: 10.3390/toxins13080538] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 07/12/2021] [Accepted: 07/21/2021] [Indexed: 12/14/2022] Open
Abstract
Since the first record of the five founder members of the group of Natterin proteins in the venom of the medically significant fish Thalassophryne nattereri, new sequences have been identified in other species. In this work, we performed a detailed screening using available genome databases across a wide range of species to identify sequence members of the Natterin group, sequence similarities, conserved domains, and evolutionary relationships. The high-throughput tools have enabled us to dramatically expand the number of members within this group of proteins, which has a remote origin (around 400 million years ago) and is spread across Eukarya organisms, even in plants and primitive Agnathans jawless fish. Overall, the survey resulted in 331 species presenting Natterin-like proteins, mainly fish, and 859 putative genes. Besides fish, the groups with more species included in our analysis were insects and birds. The number and variety of annotations increased the knowledge of the obtained sequences in detail, such as the conserved motif AGIP in the pore-forming loop involved in the transmembrane barrel insertion, allowing us to classify them as important constituents of the innate immune defense system as effector molecules activating immune cells by interacting with conserved intracellular signaling mechanisms in the hosts.
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Matysiak J, Matuszewska E, Kowalski ML, Kosiński SW, Smorawska-Sabanty E, Matysiak J. Association between Venom Immunotherapy and Changes in Serum Protein-Peptide Patterns. Vaccines (Basel) 2021; 9:249. [PMID: 33809001 PMCID: PMC8001044 DOI: 10.3390/vaccines9030249] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/08/2021] [Accepted: 03/10/2021] [Indexed: 01/25/2023] Open
Abstract
Venom immunotherapy (VIT) is administered to allergic patients to reduce the risk of dangerous systemic reactions following an insect sting. To better understand the mechanism of this treatment and its impact on the human organism, we analysed serum proteomic patterns obtained at five time-points from Hymenoptera-venom-allergic patients undergoing VIT. For statistical analyses, patients were additionally divided into two groups (high responders and low responders) according to serum sIgG4 levels. VIT was found to be associated with changes in seven proteins: the fibrinogen alpha chain, complement C4-A, complement C3, filamin-B, kininogen-1, myosin-9 and inter-alpha-trypsin inhibitor heavy chain H1. The number of discriminative m/z (mass-to-charge ratio) features increased up to the 90th day of VIT, which may be associated with the development of immunity after the administration of increased venom doses. It may also suggest that during VIT, there may occur processes involved not only in protein synthesis but also in protein degradation (caused by proteolytic venom components). The results are consistent with measured serum sIgG4 levels, which increased from 2.04 mgA/I at baseline to 7.25 mgA/I at 90 days. Moreover, the major proteomic changes were detected separately in the high responder group. This may suggest that changes in protein-peptide profiles reflect the actual response to VIT.
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Affiliation(s)
- Joanna Matysiak
- Faculty of Health Sciences, The President Stanisław Wojciechowski State University of Applied Sciences in Kalisz, 62-800 Kalisz, Poland;
| | - Eliza Matuszewska
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, 60-780 Poznań, Poland;
| | - Marek L. Kowalski
- Department of Immunology and Allergy, Medical University of Lodz, 92-213 Łódź, Poland; (M.L.K.); (S.W.K.); (E.S.-S.)
| | - Sławomir W. Kosiński
- Department of Immunology and Allergy, Medical University of Lodz, 92-213 Łódź, Poland; (M.L.K.); (S.W.K.); (E.S.-S.)
| | - Ewa Smorawska-Sabanty
- Department of Immunology and Allergy, Medical University of Lodz, 92-213 Łódź, Poland; (M.L.K.); (S.W.K.); (E.S.-S.)
| | - Jan Matysiak
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, 60-780 Poznań, Poland;
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Liu Y, Wang W, Zhao Q, Yuan P, Li J, Song X, Liu Z, Ding D, Wang L, Song L. A DM9-containing protein from oyster Crassostrea gigas (CgDM9CP-3) mediating immune recognition and encapsulation. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2021; 116:103937. [PMID: 33242570 DOI: 10.1016/j.dci.2020.103937] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/17/2020] [Accepted: 11/19/2020] [Indexed: 06/11/2023]
Abstract
DM9 domain containing protein (DM9CP) is a recently identified pattern recognition molecules exiting in most organisms except plants. In the present study, a novel DM9-containing protein (CgDM9CP-3) was identified from Pacific oyster Crassostrea gigas with an open reading frame of 438 bp, encoding a polypeptide of 145 amino acids containing two tandem DM9 repeats. The deduced amino acid sequence of CgDM9CP-3 shared 52.4% and 58.6% identity with CgDM9CP-1 and CgDM9CP-2, respectively. The mRNA transcripts of CgDM9CP-3 were highest expressed in oyster gills and its protein was mainly distributed in cytomembrane of haemocytes. After the stimulations with Vibrio splendidus and mannose, the mRNA expression of CgDM9CP-3 in oyster gills was significantly up-regulated and reached the peak level at 12 h and 24 h (p < 0.05), which was 7.80-fold (p < 0.05) and 42.82-fold (p < 0.05) of that in the control group, respectively. The recombinant CgDM9CP-3 protein (rCgDM9CP-3) was able to bind LPS, PGN and d-Mannose, fungi Pichia pastoris and Yarrowia lipolytica, as well as gram-negative bacteria Escherichia coli, Vibrio anguillarum and V. splendidus in a Ca2+-dependent manner. Moreover, it could enhance the encapsulation of haemocytes and exhibited agglutination activity towards fungi P. pastoris and Y. lipolytica in vitro with Ca2+. These results suggested that CgDM9CP-3 not only acted as a PRR involved in the pathogen recognition, but also enhanced cellular encapsulation in oyster C. gigas.
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Affiliation(s)
- Yu Liu
- School of Marine Sciences, Ningbo University, Ningbo, Zhejiang, 315832, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Weilin Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Functional Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Qi Zhao
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Pei Yuan
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Jiaxin Li
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Xiaorui Song
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Zhaoqun Liu
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Dewen Ding
- School of Marine Sciences, Ningbo University, Ningbo, Zhejiang, 315832, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Functional Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Functional Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China.
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Lima C, Falcao MAP, Andrade-Barros AI, Seni-Silva AC, Grund LZ, Balogh E, Conceiçao K, Queniaux VF, Ryffel B, Lopes-Ferreira M. Natterin an aerolysin-like fish toxin drives IL-1β-dependent neutrophilic inflammation mediated by caspase-1 and caspase-11 activated by the inflammasome sensor NLRP6. Int Immunopharmacol 2021; 91:107287. [PMID: 33378723 DOI: 10.1016/j.intimp.2020.107287] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/02/2020] [Accepted: 12/07/2020] [Indexed: 02/07/2023]
Abstract
Natterin is an aerolysin-like pore-forming toxin responsible for the toxic effects of the venom of the medically significant fish Thalassophryne nattereri. Using a combination of pharmacologic and genetic loss-of-function approaches we conduct a systematic investigation of the regulatory mechanisms that control Natterin-induced neutrophilic inflammation in the peritonitis model. Our data confirmed the capacity of Natterin to induce a strong and sustained neutrophilic inflammation leading to systemic inflammatory lung infiltration and revealed overlapping regulatory paths in its control. We found that Natterin induced the extracellular release of mature IL-1β and the sustained production of IL-33 by bronchial epithelial cells. We confirmed the dependence of both ST2/IL-33 and IL-17A/IL-17RA signaling on the local and systemic neutrophils migration, as well as the crucial role of IL-1α, caspase-1 and caspase-11 for neutrophilic inflammation. The inflammation triggered by Natterin was a gasdermin-D-dependent inflammasome process, despite the cells did not die by pyroptosis. Finally, neutrophilic inflammation was mediated by non-canonical NLRP6 and NLRC4 adaptors through ASC interaction, independent of NLRP3. Our data highlight that the inflammatory process dependent on non-canonical inflammasome activation can be a target for pharmacological intervention in accidents by T. nattereri, which does not have adequate specific therapy.
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Affiliation(s)
- Carla Lima
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500. Butantan, 05503-009 São Paulo. Brazil.
| | - Maria Alice Pimentel Falcao
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500. Butantan, 05503-009 São Paulo. Brazil
| | - Aline Ingrid Andrade-Barros
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500. Butantan, 05503-009 São Paulo. Brazil
| | - Ana Carolina Seni-Silva
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500. Butantan, 05503-009 São Paulo. Brazil
| | - Lidiane Zito Grund
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500. Butantan, 05503-009 São Paulo. Brazil
| | - Eniko Balogh
- Research Centre for Molecular Medicine, Faculty of Medicine, University of Debrecen, Nagyerdei Krt 98, 4012 Debrecen, Hungary
| | - Katia Conceiçao
- Peptide Biochemistry Laboratory, UNIFESP, São José dos Campos. Brazil
| | - Valerie F Queniaux
- Allergy and Lung Inflammation Unit of the Molecular and Experimental Immunology and Neurogenetics (INEM, UMR7355, CNRS and University Orléans), Orléans, 45071 Orléans Cedex 2, France
| | - Bernhard Ryffel
- Allergy and Lung Inflammation Unit of the Molecular and Experimental Immunology and Neurogenetics (INEM, UMR7355, CNRS and University Orléans), Orléans, 45071 Orléans Cedex 2, France
| | - Monica Lopes-Ferreira
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CETICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500. Butantan, 05503-009 São Paulo. Brazil
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Conceição K, de Cena GL, da Silva VA, de Oliveira Neto XA, de Andrade VM, Tada DB, Richardson M, de Andrade SA, Dias SA, Castanho MARB, Lopes-Ferreira M. Design of bioactive peptides derived from CART sequence isolated from the toadfish Thalassophryne nattereri. 3 Biotech 2020; 10:162. [PMID: 32206496 PMCID: PMC7060301 DOI: 10.1007/s13205-020-2151-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Accepted: 02/18/2020] [Indexed: 10/24/2022] Open
Abstract
The emergence of bacterial resistance due to the indiscriminate use of antibiotics warrants the need for developing new bioactive agents. In this context, antimicrobial peptides are highly useful for managing resistant microbial strains. In this study, we report the isolation and characterization of peptides obtained from the venom of the toadfish Thalassophryne nattereri. These peptides were active against Gram-positive and Gram-negative bacteria and fungi. The primary amino acid sequences showed similarity to Cocaine and Amphetamine Regulated Transcript peptides, and two peptide analogs-Tn CRT2 and Tn CRT3-were designed using the AMPA algorithm based on these sequences. The analogs were subjected to physicochemical analysis and antimicrobial screening and were biologically active at concentrations ranging from 2.1 to 13 µM. Zeta potential analysis showed that the peptide analogs increased the positive charge on the cell surface of Gram-positive and Gram-negative bacteria. The toxicity of Tn CRT2 and Tn CRT3 were analyzed in vitro using a hemolytic assay and tetrazolium salt reduction in fibroblasts and was found to be significant only at high concentrations (up to 40 µM). These results suggest that this methodological approach is appropriate to design novel antimicrobial peptides to fight bacterial infections and represents a new and promising discovery in fish venom.
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Affiliation(s)
- Katia Conceição
- Laboratório de Bioquímica de Peptídeos, Universidade Federal de São Paulo-UNIFESP, Rua Talim, 330, São José dos Campos, Brazil
| | - Gabrielle L. de Cena
- Laboratório de Bioquímica de Peptídeos, Universidade Federal de São Paulo-UNIFESP, Rua Talim, 330, São José dos Campos, Brazil
| | - Verônica A. da Silva
- Laboratório de Bioquímica de Peptídeos, Universidade Federal de São Paulo-UNIFESP, Rua Talim, 330, São José dos Campos, Brazil
| | - Xisto Antonio de Oliveira Neto
- Laboratório de Bioquímica de Peptídeos, Universidade Federal de São Paulo-UNIFESP, Rua Talim, 330, São José dos Campos, Brazil
| | - Vitor Martins de Andrade
- Laboratório de Bioquímica de Peptídeos, Universidade Federal de São Paulo-UNIFESP, Rua Talim, 330, São José dos Campos, Brazil
| | - Dayane Batista Tada
- Laboratório de Nanomateriais e Nanotoxicologia, Universidade Federal de São Paulo-UNIFESP, Rua Talim, 330, São José dos Campos, Brazil
| | - Michael Richardson
- Centro de Pesquisa e Desenvolvimento Prof. Carlos R. Diniz, Fundação Ezequiel Dias, Rua Conde Pereira Carneiro 80, Belo Horizonte, MG Brazil
| | - Sonia A. de Andrade
- Laboratório Especial de Toxicologia Aplicada, Instituto Butantan, Av. Vital Brasil, São Paulo, 1500 Brazil
| | - Susana A. Dias
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649‐028 Lisboa, Portugal
| | - Miguel A. R. B. Castanho
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649‐028 Lisboa, Portugal
| | - Mônica Lopes-Ferreira
- Laboratório Especial de Toxicologia Aplicada, Instituto Butantan, Av. Vital Brasil, São Paulo, 1500 Brazil
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13
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Bruni FM, Coutinho EMM, Andrade-Barros AI, Grund LZ, Lopes-Ferreira M, Lima C. Anaphylaxis induced by Thalassophryne nattereri venom in mice is an IgE/IgG1-mediated, IL-4-dependent phenomenon. Sci Rep 2020; 10:584. [PMID: 31953450 PMCID: PMC6969187 DOI: 10.1038/s41598-019-57231-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 12/05/2019] [Indexed: 01/23/2023] Open
Abstract
We hypothesized that beyond the Thalassophryne nattereri venoms ability to induce in mice a strong specific-Th2 response with high levels of specific IgE/IgG1, it would be able to trigger anaphylaxis in sensitized individuals. To investigate whether the venom is capable of inducing an allergic reaction in mice and characterize soluble and cellular mediators involved in this process, BALB/c female mice were sensitized intraperitoneally with decreasing-dose of venom at weekly intervals for 4 weeks and challenged by intraperitoneal, oral or epicutaneous routes with venom 2 weeks later. Our data show that sensitized-mice challenged by all routes showed intense symptoms of anaphylaxis, dependent on the anaphylactic IgG1 and IgE antibodies and mast cells. The late-phase reaction developed after initial symptoms was characterized by the influx of eosinophils, dependent on IL-5, IL-17A and eotaxin produced by Th2 cells in inflamed lungs and skin draining lymph-nodes. Using C57BL/6 deficient mice we demonstrated that IL-4 KO mice failed to develop anaphylactic symptoms or local Th2 inflammation, producing low levels of IgG1 and increased levels of IgG2a. Together our results demonstrated that the venom of T. nattereri has allergenic proteins that can trigger an allergic process, a phenomenon IgE-IgG1 dependent, IL-4-mediated and negatively regulated by IFN-γ.
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Affiliation(s)
- Fernanda Miriane Bruni
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, São Paulo, Brazil
| | | | | | - Lidiane Zito Grund
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, São Paulo, Brazil
| | - Monica Lopes-Ferreira
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, São Paulo, Brazil
| | - Carla Lima
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, São Paulo, Brazil.
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Malacarne PF, Menezes TN, Martins CW, Naumann GB, Gomes HL, Pires RGW, Figueiredo SG, Campos FV. Advances in the characterization of the Scorpaena plumieri cytolytic toxin (Sp-CTx). Toxicon 2018; 150:220-227. [PMID: 29902539 DOI: 10.1016/j.toxicon.2018.06.065] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 05/29/2018] [Accepted: 06/08/2018] [Indexed: 01/22/2023]
Abstract
Proteins that account for the hemolytic activity found in scorpaeniform fish venoms are responsible for the majority of the effects observed upon envenomation, for instance, neurotoxic, cardiotoxic and inflammatory effects. These multifunctional toxins, described as protein lethal factors and referred to as cytolysins, are known to be extremely labile molecules. In the present work, we endeavored to overcome this constraint by determining optimal storage conditions for Sp-CTx, the major bioactive component from the scorpionfish Scorpaena plumieri venom. This cardiotoxic hemolytic cytolysin is a large dimeric glycoprotein (subunits of ≈65 kDa) with pore-forming ability. We were able to establish storage conditions that allowed us to keep the toxin partially active for up to 60 days. Stability was achieved by storing Sp-CTx at -80 and -196 °C in the presence of glycerol 10% in a pH 7.4 solution. It was demonstrated that the hemolytic activity of Sp-CTx is calcium dependent, being abolished by EDTA and zinc ions. Furthermore, the toxin exhibited its maximal hemolytic activity at pH between 8 and 9, displaying typical N- and O- linked glycoconjugated residues (galactose (1-4) N-acetylglucosamine and sialic acid (2-3) galactose in N- and/or O-glycan complexes). The hemolytic activity of Sp-CTx was inhibited by phosphatidylglycerol and phosphatidylethanolamine, suggesting a direct electrostatic interaction lipid - toxin in the pore-formation mechanism of action of this toxin. In addition, we observed that the hemolytic activity was inhibited by increasing doses of cholesterol. Finally, we were able to show, for first time, that Sp-CTx is at least partially responsible for the pain and inflammation observed upon envenomation. However, while the edema induced by Sp-CTx was reduced by pre-treatment with aprotinin and HOE-140, pointing to the involvement of the kallikrein-kinin system in this response, these drugs had no significant effect in the toxin-induced nociception. Taken together, our results could suggest that, as has been already reported for other fish cytolysins, Sp-CTx acts mostly through lipid-dependent pore formation not only in erythrocytes but also in other cell types, which could account for the pain observed upon envenomation. We believe that the present work paves the way towards the complete characterization of fish cytolysins.
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Affiliation(s)
- Pedro F Malacarne
- Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Av. Marechal Campos 1468, Maruípe, 29043-900, Vitória, ES, Brazil.
| | - Thiago N Menezes
- Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Av. Marechal Campos 1468, Maruípe, 29043-900, Vitória, ES, Brazil.
| | - Cleciane W Martins
- Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Av. Marechal Campos 1468, Maruípe, 29043-900, Vitória, ES, Brazil.
| | - Gustavo B Naumann
- Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Av. Marechal Campos 1468, Maruípe, 29043-900, Vitória, ES, Brazil; Diretoria do Centro de Pesquisa e Desenvolvimento, Fundação Ezequiel Dias, Rua Conde Pereira Carneiro 80, Gameleira, 30510-010, Belo Horizonte, MG, Brazil.
| | - Helena L Gomes
- Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Av. Marechal Campos 1468, Maruípe, 29043-900, Vitória, ES, Brazil.
| | - Rita G W Pires
- Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Av. Marechal Campos 1468, Maruípe, 29043-900, Vitória, ES, Brazil.
| | - Suely G Figueiredo
- Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Av. Marechal Campos 1468, Maruípe, 29043-900, Vitória, ES, Brazil.
| | - Fabiana V Campos
- Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Av. Marechal Campos 1468, Maruípe, 29043-900, Vitória, ES, Brazil.
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Lopes PH, Rocha MMT, Kuniyoshi AK, Portaro FCV, Gonçalves LRC. Edema and Nociception Induced by Philodryas patagoniensis Venom in Mice: A Pharmacological Evaluation with Implications for the Accident Treatment. J Pharmacol Exp Ther 2017; 361:349-354. [PMID: 28348058 DOI: 10.1124/jpet.116.239640] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 03/23/2017] [Indexed: 11/22/2022] Open
Abstract
We have investigated the mechanisms involved in the genesis of edema and nociception induced by Philodryas patagoniensis venom (PpV) injected into the footpad of mice. PpV induced dose-related edema and nociceptive effects. Pretreatment of mice with cyclooxygenase inhibitor (indomethacin), but not with cyclooxygenase 2 inhibitor (celecoxib) markedly inhibited both effects. Pretreatments with H1 receptor antagonist (promethazine) or with dual histamine-serotonin inhibitor (cyproheptadine) failed in inhibiting both effects. In groups pretreated with captopril (angiotensin-converting enzyme inhibitor) the edema was unaltered, but nociception was clearly increased, suggesting the participation of kinins in the pathophysiology of the nociception but not of the edema-forming effect of PpV. When PpV was treated with EDTA, the nociception was similar to the one induced by untreated venom, but edema was markedly reduced. We concluded that PpV-induced edema and nociception have cyclooxygenase eicosanoids as the main mediators and no participation of vasoactive amines. Kinins seem to participate in nociception but not in edema induced by PpV. The results also suggest that metalloproteinases are the main compounds responsible for the edema, but not for the nociception induced by this venom.
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Affiliation(s)
- Priscila Hess Lopes
- Laboratório de Imunoquímica (P.H.L., A.K.K., F.C.V.P.), Laboratório de Herpetologia/Venenos (M.M.T.R.), and Laboratório de Fisiopatologia (L.R.C.G.) Instituto Butantan, São Paulo-SP, Brazil
| | - Marisa M T Rocha
- Laboratório de Imunoquímica (P.H.L., A.K.K., F.C.V.P.), Laboratório de Herpetologia/Venenos (M.M.T.R.), and Laboratório de Fisiopatologia (L.R.C.G.) Instituto Butantan, São Paulo-SP, Brazil
| | - Alexandre Kazuo Kuniyoshi
- Laboratório de Imunoquímica (P.H.L., A.K.K., F.C.V.P.), Laboratório de Herpetologia/Venenos (M.M.T.R.), and Laboratório de Fisiopatologia (L.R.C.G.) Instituto Butantan, São Paulo-SP, Brazil
| | - Fernanda Calheta Vieira Portaro
- Laboratório de Imunoquímica (P.H.L., A.K.K., F.C.V.P.), Laboratório de Herpetologia/Venenos (M.M.T.R.), and Laboratório de Fisiopatologia (L.R.C.G.) Instituto Butantan, São Paulo-SP, Brazil
| | - Luís Roberto C Gonçalves
- Laboratório de Imunoquímica (P.H.L., A.K.K., F.C.V.P.), Laboratório de Herpetologia/Venenos (M.M.T.R.), and Laboratório de Fisiopatologia (L.R.C.G.) Instituto Butantan, São Paulo-SP, Brazil
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Grund LZ, Novaski I, Quesniaux VF, Ryffel B, Lopes-Ferreira M, Lima C. Neutrophils releasing IL-17A into NETs are essential to plasma cell differentiation in inflamed tissue dependent on IL-1R. Autoimmunity 2016; 50:86-101. [PMID: 28010135 DOI: 10.1080/08916934.2016.1261834] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Interleukin (IL) 17A in chronic inflammation is also produced by innate immune cells as neutrophils. Mice with chronic humoral response induced by venom of Thalassophryne nattereri (VTn) proved to be a good tool for evaluating the impact of IL-17A on the development of long-lived plasma cells in the inflamed peritoneal cavity. Here, we report that VTn induces IL-17A production by neutrophils accumulating in the peritoneal cavity and triggers the extrusion of IL-17A along with neutrophil extracellular traps (NETs). Neutrophil depletion reduced the number of IL17A-producing cells in VTn-immunized mice and blocked the differentiation of long-lived plasma cells. Specific antibody production and survival of long-lived plasma cells was ablated in VTn-immunized mice deficient in CD4, while CD28 signaling had the opposite effect on differentiation of long-lived plasma cells. Further, maturation of long-lived plasma cells in inflamed peritoneal cavity was IL-1R1 and COX-2 dependent. Finally, when both the Raf-MEK-ERK pathway and the IL-17A or IL-1R1 activities were blocked, neutrophils were unable to promote the differentiation of memory B cells into long-lived plasma cells, confirming the essential role of neutrophils and IL-17A along with NETs in an IL-1/IL-1R-dependent manner as the novel helping partner for plasma cell differentiation in chronically inflamed tissues.
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Affiliation(s)
- Lidiane Zito Grund
- a Immunoregulation Unit of the Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute , São Paulo , Brazil
| | - Ivan Novaski
- b Cell Cycle Unit of the Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute , São Paulo , Brazil , and
| | - Valerie F Quesniaux
- c Allergy and Lung Inflammation Unit of the Molecular and Experimental Immunology and Neurogenetics (CNRS) , Orléans , France
| | - Bernhard Ryffel
- c Allergy and Lung Inflammation Unit of the Molecular and Experimental Immunology and Neurogenetics (CNRS) , Orléans , France
| | - Monica Lopes-Ferreira
- a Immunoregulation Unit of the Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute , São Paulo , Brazil
| | - Carla Lima
- a Immunoregulation Unit of the Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute , São Paulo , Brazil
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da Costa Marques ME, de Araújo Tenório H, dos Santos CWV, dos Santos DM, de Lima ME, Pereira HJV. Angiotensin converting enzyme of Thalassophryne nattereri venom. Int J Biol Macromol 2016; 91:980-6. [DOI: 10.1016/j.ijbiomac.2016.06.051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 06/14/2016] [Accepted: 06/16/2016] [Indexed: 12/23/2022]
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18
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Lopes-Ferreira M, Sosa-Rosales I, Bruni FM, Ramos AD, Vieira Portaro FC, Conceição K, Lima C. Analysis of the intersexual variation in Thalassophryne maculosa fish venoms. Toxicon 2016; 115:70-80. [DOI: 10.1016/j.toxicon.2016.02.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 02/02/2016] [Accepted: 02/24/2016] [Indexed: 01/20/2023]
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Wang H, Zhang JX, Ye LP, Li SL, Wang F, Zha WS, Shen T, Wu C, Zhu QX. Plasma Kallikrein-Kinin system mediates immune-mediated renal injury in trichloroethylene-sensitized mice. J Immunotoxicol 2016; 13:567-79. [PMID: 27027470 DOI: 10.3109/1547691x.2016.1142019] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Trichloroethylene (TCE) is a major environmental pollutant. An immunological response is a newly-recognized mechanism for TCE-induced kidney damage. However, the role of the plasma kallikrein-kinin system (KKS) in immune-mediated kidney injury has never been examined. This study aimed to explore the role of the key components of the KKS, i.e. plasma kallikrein (PK), bradykinin (BK) and its receptors B1R and B2R, in TCE-induced kidney injury. A mouse model of skin sensitization was used to explore the mechanism of injury with or without a PK inhibitor PKSI. Kidney function was evaluated by measuring blood urea nitrogen (BUN) and creatinine (Cr) in conjunction with histopathologic characterization. Plasma BK was determined by ELISA; Renal C5b-9 membrane attack complex was evaluated by immunohistochemistry. Expression of BK and PK in the kidney was detected by immunofluorescence. mRNA and protein levels of B1R and B2R were assessed by real-time qPCR and Western blot. As expected, numerous inflammatory cell infiltration and tubular epithelial cell vacuolar degeneration were observed in TCE-sensitized mice. Moreover, serum BUN and Cr and plasma BK were increased. In addition, deposition of BK, PK and C5b-9 were observed and B1R and B2R mRNA and proteins levels were up-regulated. Pre-treatment with PKSI, a highly selective inhibitor of PK, alleviated TCE-induced renal damage. In addition, PKSI attenuated TCE-induced up-regulation of BK, PK and its receptors and C5b-9. These results provided the first evidence that activation of the KKS contributed to immune-mediated renal injury induced by TCE and also helped to identify the KKS as a potential therapeutic target for mitigating chemical sensitization-induced renal damage.
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Affiliation(s)
- Hui Wang
- a Department of Nutrition , Chaohu Hospital of Anhui Medical University , Anhui , PR China
| | - Jia-Xiang Zhang
- b Department of Occupational Health and Environment Health, School of Public Health , Anhui Medical University , Anhui , PR China
| | - Liang-Ping Ye
- c Institute of Dermatology , Anhui Medical University , Anhui , PR China
| | - Shu-Long Li
- b Department of Occupational Health and Environment Health, School of Public Health , Anhui Medical University , Anhui , PR China
| | - Feng Wang
- b Department of Occupational Health and Environment Health, School of Public Health , Anhui Medical University , Anhui , PR China
| | - Wan-Sheng Zha
- b Department of Occupational Health and Environment Health, School of Public Health , Anhui Medical University , Anhui , PR China
| | - Tong Shen
- b Department of Occupational Health and Environment Health, School of Public Health , Anhui Medical University , Anhui , PR China ;,c Institute of Dermatology , Anhui Medical University , Anhui , PR China
| | - Changhao Wu
- d Faculty of Health and Medical Sciences , University of Surrey , Guildford , UK
| | - Qi-Xing Zhu
- c Institute of Dermatology , Anhui Medical University , Anhui , PR China
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Tenório HDA, da Costa Marques ME, Machado SS, Pereira HJV. Angiotensin processing activities in the venom of Thalassophryne nattereri. Toxicon 2015; 98:49-53. [DOI: 10.1016/j.toxicon.2015.02.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 02/10/2015] [Accepted: 02/18/2015] [Indexed: 11/25/2022]
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Ziegman R, Alewood P. Bioactive components in fish venoms. Toxins (Basel) 2015; 7:1497-531. [PMID: 25941767 PMCID: PMC4448160 DOI: 10.3390/toxins7051497] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Revised: 04/21/2015] [Accepted: 04/23/2015] [Indexed: 01/12/2023] Open
Abstract
Animal venoms are widely recognized excellent resources for the discovery of novel drug leads and physiological tools. Most are comprised of a large number of components, of which the enzymes, small peptides, and proteins are studied for their important bioactivities. However, in spite of there being over 2000 venomous fish species, piscine venoms have been relatively underrepresented in the literature thus far. Most studies have explored whole or partially fractioned venom, revealing broad pharmacology, which includes cardiovascular, neuromuscular, cytotoxic, inflammatory, and nociceptive activities. Several large proteinaceous toxins, such as stonustoxin, verrucotoxin, and Sp-CTx, have been isolated from scorpaenoid fish. These form pores in cell membranes, resulting in cell death and creating a cascade of reactions that result in many, but not all, of the physiological symptoms observed from envenomation. Additionally, Natterins, a novel family of toxins possessing kininogenase activity have been found in toadfish venom. A variety of smaller protein toxins, as well as a small number of peptides, enzymes, and non-proteinaceous molecules have also been isolated from a range of fish venoms, but most remain poorly characterized. Many other bioactive fish venom components remain to be discovered and investigated. These represent an untapped treasure of potentially useful molecules.
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Affiliation(s)
- Rebekah Ziegman
- Institute for Molecular Bioscience, the University of Queensland, St. Lucia, QLD 4072, Australia.
| | - Paul Alewood
- Institute for Molecular Bioscience, the University of Queensland, St. Lucia, QLD 4072, Australia.
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Thalassophryne nattereri fish venom: from the envenoming to the understanding of the immune system. J Venom Anim Toxins Incl Trop Dis 2014; 20:35. [PMID: 25140174 PMCID: PMC4137268 DOI: 10.1186/1678-9199-20-35] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Accepted: 07/30/2014] [Indexed: 12/21/2022] Open
Abstract
Thalassophryne nattereri (niquim) is a venomous fish found off North and Northeast coast of Brazil, where it is known by the severity of the accidents involving humans. This review article is divided into four topics. The first one provides a brief description of the animal biology and its distribution off Brazilian coastal waters, the venom apparatus, signs and symptoms observed in envenomated humans and also describes envenomation in mice. The second topic describes the use of modern genetic approach and mass spectrometry for identification of highly expressed genes in its venom glands and the sequence of major toxins. The third chapter offers a detailed study of tissue injury induced by the venom and reveals the role of toxins that impair inflammation reduction. Finally, the fourth section expands the understanding of many extrinsic and intrinsic essential factors in maintaining survival of memory B cell compartment. Our results demonstrate the wide possibilities for research in the area of toxinology, also the necessity of interconnection among biochemistry, pharmacology and immunology areas for the expansion of knowledge and for generation of innovation.
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Ferreira MJ, Lima C, Lopes-Ferreira M. Anti-inflammatory effect of Natterins, the major toxins from the Thalassophryne nattereri fish venom is dependent on TLR4/MyD88/PI3K signaling pathway. Toxicon 2014; 87:54-67. [PMID: 24882373 DOI: 10.1016/j.toxicon.2014.05.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 05/06/2014] [Accepted: 05/20/2014] [Indexed: 10/25/2022]
Abstract
Here we evaluated whether Natterins affect the leukocyte-endothelial cell interaction, hampering leukocyte mobilization and extravasation. Leukocyte-endothelial cell interactions were evaluated in venules of mouse cremaster muscle using intravital microscopy. We reported that low doses of Natterins interfere with the cell capturing, inhibiting the interaction of blood neutrophils with the post-capillary venules induced by the TLR4 agonist LPS, or the chemokine KC. Using endotoxemic mice challenged with LPS, we confirmed that Natterins reduce neutrophil accumulation in the peritoneum exudates. The rolling of leukocytes induced by KC or LPS was not impaired in Natterins-treated TLR2, MyD88 deficient or TLR4 mutant mice, indicating that TLR2- or TLR4-MyD88-mediated signals are required for the anti-inflammatory effect of Natterins. The inhibitory effect was not influenced by endogenous regulators of inflammation such as IL-10, corticosteroids, the HO-1 or the antagonist of the receptor of IL-1, nor by the disruption of their proteolytic activity. However, it was completely dependent on the activation of serine/threonine phosphatases and the PI3K signaling pathway, but independent on increased proteasome activity. This work started asking how the main toxins in the T nattereri venom contributes for the deficient influx of inflammatory leukocytes, which consequently drive to the delayed inflammatory reaction finalization in injured tissue; and finished demonstrating that Natterins can control the leukocyte-endothelial wall interactions in a mechanism dependent on negative signals derived from TLR2-TLR4/Myd88 signaling cascade. Interestingly, we confirmed that the antagonist effect of Natterins is mediated by the activation of serine/threonine phosphatases and by the key signaling PI3K molecule.
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Affiliation(s)
- Marcio Jose Ferreira
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, Av. Vital Brazil, 1500, Butantan 05503-009, São Paulo, Brazil
| | - Carla Lima
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, Av. Vital Brazil, 1500, Butantan 05503-009, São Paulo, Brazil
| | - Monica Lopes-Ferreira
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, Av. Vital Brazil, 1500, Butantan 05503-009, São Paulo, Brazil.
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Lopes-Ferreira M, Ramos AD, Martins IA, Lima C, Conceição K, Haddad V. Clinical manifestations and experimental studies on the spine extract of the toadfish Porichthys porosissimus. Toxicon 2014; 86:28-39. [PMID: 24814010 DOI: 10.1016/j.toxicon.2014.04.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Revised: 04/22/2014] [Accepted: 04/29/2014] [Indexed: 12/29/2022]
Abstract
Toadfish are fish from the family Batrachoididae that are found in marine and brackish environment around the world. Among the toadfish, Porichthys genus is very common, where Porichthys porosissimus, also called Atlantic Midshipman is found in Southwest Atlantic, from Rio de Janeiro, Brazil to eastern Argentina. There was no consensus about the classification of the genus Porichthys as venomous fish because so far there are no published studies regarding human envenomations and/or toxic activities induced in animal models. Herein, we report two conclusive envenoming in human beings caused by P porosissimus spines, with clear signs and symptoms that were very important for the development of our experimental studies. We demonstrated that the P. porosissimus spine extract, now venom, can induce nociceptive and edematogenic responses in mice as well an induction of an inflammatory response elicited by intravital microscopy and leukocyte migration. Finally, we identified in the P. porosissimus spine extract, through analysis by mass spectrometry, the presence of proteins previously detected in the venoms of other fish species and other venomous animals. We believe that based on our studies we will dismiss the non-venomous nature of this fish and clarify this issue.
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Affiliation(s)
- Mônica Lopes-Ferreira
- Immunoregulation Unit, Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil.
| | - Anderson Daniel Ramos
- Immunoregulation Unit, Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil
| | - Itamar Alves Martins
- Zoology Laboratory, Biological Sciences Department, Universidade de Taubaté, São Paulo State, Brazil
| | - Carla Lima
- Immunoregulation Unit, Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil
| | - Katia Conceição
- Immunoregulation Unit, Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil; Departamento de Ciência e Tecnologia, Universidade Federal de São Paulo - UNIFESP, São José dos Campos, Brazil
| | - Vidal Haddad
- Dermatology Departament, Botucatu Medical School, Univ Estadual Paulista, Botucatu, São Paulo State, Brazil
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Grund LZ, Lopes-Ferreira M, Lima C. The hierarchical process of differentiation of long-lived antibody-secreting cells is dependent on integrated signals derived from antigen and IL-17A. PLoS One 2013; 8:e74566. [PMID: 24058589 PMCID: PMC3776816 DOI: 10.1371/journal.pone.0074566] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2013] [Accepted: 08/06/2013] [Indexed: 12/02/2022] Open
Abstract
Switched CD19-positive memory B cells purified from mice with chronic immune response against Thalassophrynenattereri venom proteins were cultured with venom or cytokines. Our results confirm the existence of a hierarchic process of differentiation: activated memory B cells progressively acquire increasing levels of CD138 and decreasing levels of CD45R/B220 to finally arrive at ASC with B220neg phenotype, which are IgG1-secreting cells. Only Bmem from peritoneal cavity or bone marrow of VTn immunized mice presented the capacity to generate ASC functionally active. IL-17A or IL-21/IL-23/IL-33 improves the ability of venom to induce intracellular IgG of peritoneal derived-ASC. Cognate stimulation with venom and IL-17A is sufficient to down-regulate the expression of CD45R/B220. BAFF-R is up-regulated in splenic or medullar derived-ASC stimulated by venom, CpG or cytokines. Only splenic derived-ASC up-regulate Bcl-2 expression after CpG or the combination of IL-21/IL-23/IL-33 stimulation. Finally, the activation of ASC for IgG1 secretion is triggered by venom proteins in peritoneal cavity and by IL-17A in medullar niche. These results show the importance of the integration of signals downstream of BCR and IL17-A receptors in modulating ASC differentiation, focusing in the microenvironment niche of their generation.
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Affiliation(s)
- Lidiane Zito Grund
- Immunoregulation Unit, Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil
| | - Monica Lopes-Ferreira
- Immunoregulation Unit, Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil
| | - Carla Lima
- Immunoregulation Unit, Special Laboratory of Applied Toxinology (CEPID/FAPESP), Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil
- * E-mail:
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Komegae EN, Grund LZ, Lopes-Ferreira M, Lima C. TLR2, TLR4 and the MyD88 signaling are crucial for the in vivo generation and the longevity of long-lived antibody-secreting cells. PLoS One 2013; 8:e71185. [PMID: 23940714 PMCID: PMC3733974 DOI: 10.1371/journal.pone.0071185] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Accepted: 06/27/2013] [Indexed: 01/06/2023] Open
Abstract
This study was undertaken to gain better insights into the role of TLRs and MyD88 in the development and differentiation of memory B cells, especially of ASC, during the Th2 polarized memory response induced by Natterins. Our in vivo findings demonstrated that the anaphylactic IgG1 production is dependent on TLR2 and MyD88 signaling, and that TLR4 acts as adjuvant accelerating the synthesis of high affinity-IgE. Also, TLR4 (MyD88-independent) modulated the migration of innate-like B cells (B1a and B2) out of the peritoneal cavity, and the emigration from the spleen of B1b and B2 cells. TLR4 (MyD88-independent) modulated the emigration from the spleen of Bmem as well as ASC B220pos. TLR2 triggered to the egress from the peritoneum of Bmem (MyD88-dependent) and ASC B220pos (MyD88-independent). We showed that TLR4 regulates the degree of expansion of Bmem in the peritoneum (MyD88-dependent) and in BM (MyD88-independent) as well as of ASC B220neg in the spleen (MyD88-independent). TLR2 regulated the intensity of the expansion of Bmem (MyD88-independent) and ASC B220pos (MyD88-dependent) in BM. Finally, TLR4 signals sustained the longevity of ASC B220pos (MyD88-independent) and ASC B220neg into the peritoneum (MyD88-dependent) and TLR2 MyD88-dependent signaling supported the persistence of B2 cells in BM, Bmem in the spleen and ASC B220neg in peritoneum and BM. Terminally differentiated ASC B220neg required the cooperation of both signals through TLR2/TLR4 via MyD88 for longevity in peritoneum, whereas Bmem required only TLR2/MyD88 to stay in spleen, and ASC B220pos rested in peritoneum dependent on TLR4 signaling. Our data sustain that earlier events on memory B cells differentiation induced in secondary immune response against Natterins, after secondary lymph organs influx and egress, may be the key to determining peripheral localization of innate-like B cells and memory B cells as ASC B220pos and ASC B220neg.
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Affiliation(s)
- Evilin Naname Komegae
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil
| | - Lidiane Zito Grund
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil
| | - Monica Lopes-Ferreira
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil
| | - Carla Lima
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute and Department of Immunology, University of São Paulo, São Paulo, Brazil
- * E-mail:
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Komegae EN, Grund LZ, Lopes-Ferreira M, Lima C. The longevity of Th2 humoral response induced by proteases natterins requires the participation of long-lasting innate-like B cells and plasma cells in spleen. PLoS One 2013; 8:e67135. [PMID: 23840604 PMCID: PMC3696013 DOI: 10.1371/journal.pone.0067135] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Accepted: 05/16/2013] [Indexed: 11/22/2022] Open
Abstract
The generation of long-lived antibody-secreting cells (ASC) and memory B cells are critical events for an effective vaccine and the choice of adjuvant can influence these processes. Various cellular and molecular mechanism involved in the protease action that determine Th2 responses have been identified. However, direct or indirect actions in the regulation of the induction, survival and longevity of ASC in differential compartments remain largely unknown. We investigated whether the proteolytic activity of proteins are determinant for the modulation of the memory immune response in mice, promoting the differentiation of memory B cells to terminally differentiated end stage cells. Here, we show that the proteolytic activity of Natterins, from the venom of Thalassophryne nattereri Brazilian fish, besides inducing a Th2 response with plasmatic titers of high-affinity antigen-specific IgE over extended periods is sufficient for the generation of signals that contribute to the formation of a survival niche in the spleen, essential for the longevity of the main subtype of ASC with B220neg phenotype.
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Affiliation(s)
- Evilin Naname Komegae
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, São Paulo, Brazil
- Department of Immunology, University of São Paulo, São Paulo, Brazil
| | - Lidiane Zito Grund
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, São Paulo, Brazil
- Department of Immunology, University of São Paulo, São Paulo, Brazil
| | - Monica Lopes-Ferreira
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, São Paulo, Brazil
- Department of Immunology, University of São Paulo, São Paulo, Brazil
| | - Carla Lima
- Immunoregulation Unit, Special Laboratory of Applied Toxinology, Butantan Institute, São Paulo, Brazil
- Department of Immunology, University of São Paulo, São Paulo, Brazil
- * E-mail:
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Mechanisms involved in the nociception triggered by the venom of the armed spider Phoneutria nigriventer. PLoS Negl Trop Dis 2013; 7:e2198. [PMID: 23638210 PMCID: PMC3636088 DOI: 10.1371/journal.pntd.0002198] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Accepted: 03/25/2013] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND The frequency of accidental spider bites in Brazil is growing, and poisoning due to bites from the spider genus Phoneutria nigriventer is the second most frequent source of such accidents. Intense local pain is the major symptom reported after bites of P. nigriventer, although the mechanisms involved are still poorly understood. Therefore, the aim of this study was to identify the mechanisms involved in nociception triggered by the venom of Phoneutria nigriventer (PNV). METHODOLOGY/PRINCIPAL FINDINGS Twenty microliters of PNV or PBS was injected into the mouse paw (intraplantar, i.pl.). The time spent licking the injected paw was considered indicative of the level of nociception. I.pl. injection of PNV produced spontaneous nociception, which was reduced by arachnid antivenin (ArAv), local anaesthetics, opioids, acetaminophen and dipyrone, but not indomethacin. Boiling or dialysing the venom reduced the nociception induced by the venom. PNV-induced nociception is not dependent on glutamate or histamine receptors or on mast cell degranulation, but it is mediated by the stimulation of sensory fibres that contain serotonin 4 (5-HT4) and vanilloid receptors (TRPV1). We detected a kallikrein-like kinin-generating enzyme activity in tissue treated with PNV, which also contributes to nociception. Inhibition of enzymatic activity or administration of a receptor antagonist for kinin B2 was able to inhibit the nociception induced by PNV. PNV nociception was also reduced by the blockade of tetrodotoxin-sensitive Na(+) channels, acid-sensitive ion channels (ASIC) and TRPV1 receptors. CONCLUSION/SIGNIFICANCE Results suggest that both low- and high-molecular-weight toxins of PNV produce spontaneous nociception through direct or indirect action of kinin B2, TRPV1, 5-HT4 or ASIC receptors and voltage-dependent sodium channels present in sensory neurons but not in mast cells. Understanding the mechanisms involved in nociception caused by PNV are of interest not only for better treating poisoning by P. nigriventer but also appreciating the diversity of targets triggered by PNV toxins.
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Ishizuka EK, Ferreira MJ, Grund LZ, Coutinho EMM, Komegae EN, Cassado AA, Bortoluci KR, Lopes-Ferreira M, Lima C. Role of interplay between IL-4 and IFN-γ in the in regulating M1 macrophage polarization induced by Nattectin. Int Immunopharmacol 2012; 14:513-22. [DOI: 10.1016/j.intimp.2012.08.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2012] [Revised: 08/09/2012] [Accepted: 08/14/2012] [Indexed: 12/26/2022]
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Xue Z, Liu X, Pang Y, Yu T, Xiao R, Jin M, Han Y, Su P, Wang J, Lv L, Wu F, Li Q. Characterization, phylogenetic analysis and cDNA cloning of natterin-like gene from the blood of lamprey, Lampetra japonica. Immunol Lett 2012; 148:1-10. [PMID: 22914553 DOI: 10.1016/j.imlet.2012.08.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Revised: 08/01/2012] [Accepted: 08/05/2012] [Indexed: 12/24/2022]
Abstract
Lamprey as a "living fossil" of immunological origin and "rich treasure" of biological pharmaceutical development has caused attention of scholars. The cDNA library construction and EST sequencing of blood had been done previously in our lab, and bioinformatics analysis provided a gene fragment which is highly homologous with natterin family, named natterin-like. To elucidate the characterization and phylogeny of natterin-like genes in early evolution, we cloned the full-length cDNA of natterin-like gene from the blood of Lampetra japonica. The open reading frame of this sequence contained 942bp and encoded 313 amino acids, including a lectin-like domain and a pore-forming toxin-like domain. Using reverse transcription PCR, natterin-like mRNA was also detected in lamprey blood, kidney, heart, liver, medullary, gonad, but absent in lamprey intestine and gill. Our results suggested that in lampreys and most of other species, there might be only one natterin-like gene, which was fused by certain sequences during evolution and encoded proteins with more functions. It is similar between C terminal of natterin-like protein and Aerolysin in space structure and the lectin-like domain of natterin-like equivalent to glycoprotein binding motif of Aerolysin in function. We also propose that the defense mechanism against specific predators in historical evolution of lamprey. Our findings may provide insights into the function and characterization of natterin-like genes as well as other gene families in vertebrates and provide a foundation for identification and structural, functional, and evolutionary analyses of more natterin-like genes and other gene families.
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Affiliation(s)
- Zhuang Xue
- Institute of Marine Genomics & Proteomics, Liaoning Normal University, Dalian 116029, China
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Menezes TN, Carnielli JB, Gomes HL, Pereira FE, Lemos EM, Bissoli NS, Lopes-Ferreira M, Andrich F, Figueiredo SG. Local inflammatory response induced by scorpionfish Scorpaena plumieri venom in mice. Toxicon 2012; 60:4-11. [DOI: 10.1016/j.toxicon.2012.03.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2011] [Revised: 02/17/2012] [Accepted: 03/06/2012] [Indexed: 10/28/2022]
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IL-5 and IL-17A are critical for the chronic IgE response and differentiation of long-lived antibody-secreting cells in inflamed tissues. Cytokine 2012; 59:335-51. [PMID: 22633287 DOI: 10.1016/j.cyto.2012.04.045] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2011] [Revised: 03/14/2012] [Accepted: 04/25/2012] [Indexed: 12/21/2022]
Abstract
Prolonged survival of long-lived antibody-secreting cells in the BM has been implicated as a key component of long-term humoral immunity. The current study was designed to uncover the extrinsic signals required for the generation and maintenance of ASC in several niches (peritoneum, spleen and bone-marrow). Our results show that protein mixture of the Thalassophryne nattereri venom induced a chronic Th2 humoral response that is characterized by splenic hyperplasia with GC formation and venom retention by follicular DCs. Retention of B1a in the BM were observed. In the late phase (120d) of chronic venom-response the largest pool of ASC into the peritoneal cavity consisted of B220(neg)CD43(high) phenotype; the largest pool of ASC into spleen was constituted by B220 positive cells (B220(high) and B220(low)), whereas the largest pool of ASC into in the BM was constituted by the B220(high)CD43(low) phenotype; and finally, terminally differentiated cells (B220(neg)CD43(high)) were only maintained in the inflamed peritoneal cavity in late phase. After 120d a sustained production of cytokines (KC, IL-5, TNF-α, IL-6, IL-17A and IL-23) and leukocytes recruitment (eosinophils, mast cells, and neutrophils) were induced. IL-5- and IL-17A-producing CD4+ CD44+ CD40L+ Ly6C+ effector memory T cells were also observed in peritoneal cavity. Finally, treatment of venom-mice with anti-IL-5- and anti-IL17A-neutralizing mAbs abolished the synthesis of specific IgE, without modifying the splenic hyperplasia or GC formation. In addition, IL-5 and IL-17A negatively regulated the expansion of B1a in peritoneal cavity and BM, and promoted the differentiation of these cells in spleen. And more, IL-5 and IL-17A are sufficient for the generation of ASC B220(neg) in the peritoneal cavity and negatively regulate the number of ASC B220(pos), confirming that the hierarchical process of ASC differentiation triggered by venom needs the signal derived from IL-5 and IL-17A.
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Komegae EN, Ramos AD, Oliveira AK, Serrano SMDT, Lopes-Ferreira M, Lima C. Insights into the local pathogenesis induced by fish toxins: role of natterins and nattectin in the disruption of cell-cell and cell-extracellular matrix interactions and modulation of cell migration. Toxicon 2011; 58:509-17. [PMID: 21896281 DOI: 10.1016/j.toxicon.2011.08.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2011] [Revised: 08/17/2011] [Accepted: 08/18/2011] [Indexed: 10/17/2022]
Abstract
Combined proteomic and transcriptomic approaches to study the composition of the venom of Thalassophryne nattereri venomous fish revealed the primary structures of the major toxins as a family of proteases natterins, never described on venoms and a C-type lectin nattectin. To gain new insights into the mechanisms of venom pathogenesis and to further elucidate the role of its major toxins, the natterins and nattectin, we undertook in vitro investigations using these isolated toxins. Here we demonstrated the specific ability of the nattectin to bind types I and V collagen and natterins to bind and cleave type I collagen as well as type IV collagen, disrupting cell attachment and HeLa cells survival. Natterins have cytotoxic effect on both adherent cells or at in suspension, showing direct induction of necrosis that is followed by cell detachment. Nattectin improves integrin-mediated HeLa cell adhesion and resistance to apoptosis by its binding to RGD-dependent integrins, especially the β1 subunit. Based on our studies we now report that extracellular matrix (ECM) components as well as the integrin β1 subunit are targets for the natterins and nattectin. The ECM degradation or remodeling activities exerted by these toxins affect cell-cell and cell-ECM adhesion and survival and impair inflammatory cell migration into inflamed tissues.
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Affiliation(s)
- Evilin Naname Komegae
- Special Laboratory of Applied Toxinology, CEPID/FAPESP, Butantan Institute, Av Vital Brazil, 1500 Butantan, 05503 900 Sao Paulo, Brazil
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Lopes-Ferreira M, Magalhães GS, Fernandez JH, Junqueira-de-Azevedo IDLM, Le Ho P, Lima C, Valente RH, Moura-da-Silva AM. Structural and biological characterization of Nattectin, a new C-type lectin from the venomous fish Thalassophryne nattereri. Biochimie 2011; 93:971-80. [DOI: 10.1016/j.biochi.2011.03.001] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2011] [Accepted: 03/02/2011] [Indexed: 10/18/2022]
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Pareja-Santos A, Saraiva TC, Costa EP, Santos MF, Zorn TT, Souza VMO, Lopes-Ferreira M, Lima C. Delayed local inflammatory response induced by Thalassophryne nattereri venom is related to extracellular matrix degradation. Int J Exp Pathol 2009; 90:34-43. [PMID: 19200249 PMCID: PMC2669617 DOI: 10.1111/j.1365-2613.2008.00603.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2008] [Accepted: 06/15/2008] [Indexed: 11/27/2022] Open
Abstract
Symptoms evoked by Thalassophryne nattereri fish envenomation include local oedema, severe pain and intense necrosis with strikingly inefficient healing, continuing for several weeks or months. Investigations carried out in our laboratory showed that, in the venom-induced acute inflammation, thrombosis in venules and constrictions in arterioles were highly visible, in contrast to a notable lack of inflammatory cell. Nevertheless, the reason that the venom toxins favour delayed local inflammatory response is poorly defined. In this study, we analysed the movement of leucocytes after T. nattereri venom injection in the intraplantar region of Swiss mice, the production of pro-inflammatory mediators and the venom potential to elicit matrix metalloproteinase production and extracellular matrix degradation. Total absence of mononuclear and neutrophil influx was observed until 14 days, but the venom stimulates pro-inflammatory mediator secretion. Matrix metalloproteinases (MMP)-2 and MMP-9 were detected in greater quantities, accompanied by tissue degradation of collagenous fibre. An influx of mononuclear cells was noted very late and at this time the levels of IL-6, IL-1beta and MMP-2 remained high. Additionally, the action of venom on the cytoskeletal organization was assessed in vitro. Swift F-actin disruption and subsequent loss of focal adhesion was noted. Collectively these findings show that the altered specific interaction cell-matrix during the inflammatory process creates an inadequate environment for infiltration of inflammatory cells.
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Affiliation(s)
| | | | - Erica Pereira Costa
- Department of Developmental and Cell Biology, Institute of Biomedical SciencesUniversity of São Paulo
| | - Marinilce Fagundes Santos
- Department of Developmental and Cell Biology, Institute of Biomedical SciencesUniversity of São Paulo
| | - Telma Tenorio Zorn
- Department of Developmental and Cell Biology, Institute of Biomedical SciencesUniversity of São Paulo
| | | | | | - Carla Lima
- Special Laboratory of Applied Toxinology (CAT/CEPID), Butantan InstituteSao Paulo
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Balasubashini MS, Karthigayan S, Somasundaram ST, Balasubramanian T, Viswanathan P, Menon VP. In Vivo and In Vitro Characterization of the Biochemical and Pathological Changes Induced By Lionfish (Pterios Volitans) Venom in Mice. Toxicol Mech Methods 2008; 16:525-31. [DOI: 10.1080/15376510600803573] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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37
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Piran-Soares AA, Komegae EN, Souza VMO, Fonseca LA, Lima C, Lopes-Ferreira M. Neutralizing antibodies obtained in a persistent immune response are effective against deleterious effects induced by the Thalassophryne nattereri fish venom. Toxicon 2007; 49:920-30. [PMID: 17391720 DOI: 10.1016/j.toxicon.2007.01.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2006] [Revised: 12/28/2006] [Accepted: 01/11/2007] [Indexed: 12/26/2022]
Abstract
Thalassophryne nattereri envenoming represents a great cost to North and Northeast Brazilian communities in terms of public healths, leisure and tourism. Victims rapidally develop symptoms as pain, local swelling, erythema followed by intense necrosis that persist for long days. The aim of this work was tested the immune competence of neutralizing antibodies in pre-immunized mice against principal toxic activities induced by venom. During the primary antibody response in mice, an elevation of IgG antibody levels was only observed on day 28. After boosting, high antibody levels were detected between days 49 and 70, with a 12-fold increase in IgG level over control values at day 49. We confirmed the in vitro neutralizing capacity of T. nattereri anti-venom against toxic effects and thereafter we show that neutralizing antibodies obtained in a persistent immune response are more effective, inclusive against edematous reaction. After boosting during the secondary response mice with high antibody levels do not present any alterations in venule or arteriole after topical application of venom on cremaster muscle. In addition, CK activity diminished in these mice with high neutralizing antibody levels corroborating the attenuation of the myonecrotic effect by venom. In addition, we determined the presence of high IgG antibodies levels in patients 6 months after injury by T. nattereri. In conclusion, the presence of neutralizing antibodies against to T. nattereri venom in the serum of pre-immunized mice could change the outcome of lesion at site of posterior envenoming. Antigen-specific antibodies of high affinity in consequence to specific immune response, dependent of T lymphocyte activation, could minimize the symptoms of intense and immediate inflammatory reaction caused by T. nattereri venom. These finding prompt us to the possibility of development of immune therapeutic strategies using specific anti-venom as an efficient intervention for protecting human victims.
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Affiliation(s)
- Ana Amélia Piran-Soares
- Laboratório Especial de Toxinologia Aplicada (CAT/CEPID) e de Imunopatologia, Instituto Butantan, SP, Brazil
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Grund LZ, Souza VMO, Faquim-Mauro EL, Lima C, Lopes-Ferreira M. Experimental immunization with Thalassophryne nattereri fish venom: Striking IL-5 production and impaired of B220+ cells. Toxicon 2006; 48:499-508. [PMID: 16930659 DOI: 10.1016/j.toxicon.2006.06.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2006] [Revised: 06/16/2006] [Accepted: 06/19/2006] [Indexed: 12/21/2022]
Abstract
Murine experimental model have been useful to understanding the toxic as well as the pharmacological properties of the Thalassophryne nattereri venom. However, the specific immune response to T. nattereri venom in mice is yet unclear. Our results showed that the venom elicited in BALB/c mice high levels of specific IgG1 and total IgE isotype with high affinity, accompanied by a striking IL-5 production, what point out to a Th2-like response. Meanwhile, the production of IFN-gamma by lymphocytes pool expanded upon mitogen stimulus, suggests that the venom was also able to activate Th1 clones. Elevated number of antigen-presenting cells expressing CD11c or CD11b from day 4 to 6 supported ongoing antigen presentation process in the primary response and efficient T-cell expansion (increase of CD4(+) cells). In contrast, decreased B220 expression was observed, suggesting that the formation of memory long lived cell compartment. In conclusion, T. natterri venom stimulates an association of cytokine of both Th1 and Th2 profile, with a notable IL-5 production and specific IgG1 and total IgE isotypes secretion. Furthermore, our finding showed that T. natterri venom can affect the B cell fate and induce a memory antibody response through the secretion of protective IgG subclasses. Further studies with the venom protein toxins may provide clues to molecular mechanism regulating proliferation and differentiation of antibody-secreting cells in our model. A better understating of how T. natterri venom can modulate immune response could be useful in therapeutic strategies.
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Affiliation(s)
- Lidiane Zito Grund
- Laboratório de Imunopatologia, Instituto Butantan, São Paulo, SP, Brazil
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Magalhães GS, Junqueira-de-Azevedo ILM, Lopes-Ferreira M, Lorenzini DM, Ho PL, Moura-da-Silva AM. Transcriptome analysis of expressed sequence tags from the venom glands of the fish Thalassophryne nattereri. Biochimie 2006; 88:693-9. [PMID: 16488069 DOI: 10.1016/j.biochi.2005.12.008] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2005] [Accepted: 12/22/2005] [Indexed: 11/18/2022]
Abstract
Thalassophryne nattereri (niquim) is a venomous fish found on the northern and northeastern coasts of Brazil. Every year, hundreds of humans are affected by the poison, which causes excruciating local pain, edema, and necrosis, and can lead to permanent disabilities. In experimental models, T. nattereri venom induces edema and nociception, which are correlated to human symptoms and dependent on venom kininogenase activity; myotoxicity; impairment of blood flow; platelet lysis and cytotoxicity on endothelial cells. These effects were observed with minute amounts of venom. To characterize the primary structure of T. nattereri venom toxins, a list of transcripts within the venom gland was made using the expressed sequence tag (EST) strategy. Here we report the analysis of 775 ESTs that were obtained from a directional cDNA library of T. nattereri venom gland. Of these ESTs, 527 (68%) were related to sequences previously described. These were categorized into 10 groups according to their biological functions. Sequences involved in gene and protein expression accounted for 14.3% of the ESTs, reflecting the important role of protein synthesis in this gland. Other groups included proteins engaged in the assembly of disulfide bonds (0.5%), chaperones involved in the folding of nascent proteins (1.4%), and sequences related to clusterin (1.5%), as well as transcripts related to calcium binding proteins (1.0%). We detected a large cluster (1.3%) related to cocaine- and amphetamine-regulated transcript (CART), a peptide involved in the regulation of food intake. Surprisingly, several retrotransposon-like sequences (1.0%) were found in the library. It may be that their presence accounts for some of the variation in venom toxins. The toxin category (18.8%) included natterins (18%), which are a new group of kininogenases recently described by our group, and a group of C-type lectins (0.8%). In addition, a considerable number of sequences (32%) was not related to sequences in the databases, which indicates that a great number of new toxins and proteins are still to be discovered from this fish venom gland.
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Affiliation(s)
- G S Magalhães
- Laboratório de Imunopatologia, Instituto Butantan, Av. Vital Brasil 1500, 05503-900 São Paulo, SP, Brazil
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Magalhães KW, Lima C, Piran-Soares AA, Marques EE, Hiruma-Lima CA, Lopes-Ferreira M. Biological and biochemical properties of the Brazilian Potamotrygon stingrays: Potamotrygon cf. scobina and Potamotrygon gr. orbignyi. Toxicon 2006; 47:575-83. [PMID: 16564065 DOI: 10.1016/j.toxicon.2006.01.028] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2005] [Revised: 01/25/2006] [Accepted: 01/26/2006] [Indexed: 11/24/2022]
Abstract
Stingrays of the family Potamotrygonidae are widespread throughout river systems of South America that drain into the Atlantic Ocean. Some species are endemic to the most extreme freshwater environment of the Brazil and cause frequent accidents to humans. The envenomation causes immediate, local, and intense pain, soft tissue edema, and a variable extent of bleeding. The present study was carried out in order to describe the principal biological and some biochemical properties of the Brazilian Potamotrygon fish venoms (Potamotrygon cf. scobina and P. gr. orbignyi). Both stingray venoms induced significant edematogenic and nociceptive responses in mice. Edematogenic and nociceptive responses were reduced when the venom was incubated at 37 or 56 degrees C. The results showed striking augments of leukocytes rolling and adherent cells to the endothelium of cremaster mice induced by both venoms. The data also presented that injection of both venoms induced necrosis, low level of proteolytic activity, without inducing haemorrhage. But when the venoms of both stingray species were injected together with their mucus secretion, the necrotizing activity was more vigorous. The present study provided in vivo evidence of toxic effects for P. cf. scobina and P. gr. orbignyi venoms.
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Affiliation(s)
- Kharita W Magalhães
- Nucleus of Environmental Studies, Federal University of Tocantins, Tocantins, Brazil
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Facó PE, Bezerra GP, Barbosa PSF, Martins AMC, Guimarães JA, Ferreira ML, Monteiro HSA. Epidemiologia dos acidentes por Thalassophryne nattereri (niquim) no Estado do Ceará (1992-2002). Rev Soc Bras Med Trop 2005; 38:479-82. [PMID: 16410922 DOI: 10.1590/s0037-86822005000600006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
No Estado do Ceará (1992 a 2002), 16 casos de envenenamento com o Thalassophyne nattereri ocorreram no litoral, a maioria (87,5%) em praias de Fortaleza e 12,5% do interior. Noventa e quatro por cento eram do sexo masculino e 6% feminino. Com relação à idade, 75% estavam na faixa etária de 21 a 40 anos, 19% entre 41 e 60 anos e 6% entre 1 a 10 anos. O tempo de exposição foi de 1 a 5 horas (4), 6 a 12 (3), mais de 12 horas (4), 5 pacientes não informaram o tempo decorrido entre o acidente e o atendimento. Manifestações clínicas observadas foram dor, edema local, isquemia transitória, parestesia, equimose e sensação de queimação local. O tratamento consistiu de antiinflamatórios e analgésicos. Em alguns casos, foram usados anestésicos, água morna, debridamento cirúrgico e anti-histamínicos. Em 75% dos casos, observou-se cura confirmada e em 12% a cura não foi confirmada, em dois a evolução foi ignorada. Provavelmente, o número de acidentes ocorridos é maior do que o encontrado devido a subnotificação.
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Affiliation(s)
- Patrícia Emília Facó
- Departamento de Fisiologia e Farmacologia, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza, CE, Brazil
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Sosa-Rosales JI, Piran-Soares AA, Farsky SHP, Takehara HA, Lima C, Lopes-Ferreira M. Important biological activities induced by Thalassophryne maculosa fish venom. Toxicon 2005; 45:155-61. [PMID: 15626364 DOI: 10.1016/j.toxicon.2004.10.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2004] [Revised: 09/30/2004] [Accepted: 10/04/2004] [Indexed: 10/26/2022]
Abstract
The accidents caused by Thalassophryne maculosa fish venoms are frequent and represent a public health problem in some regions of Venezuela. Most accidents occur in the fishing communities and tourists. The clinical picture is characterized by severe pain, dizziness, fever, edema, and necrosis. Due to the lack of efficient therapy it may take weeks, or even months for complete recovery of the victims. The investigations presented here were undertaken to assess the eletrophoretical profile and principal biological properties of the T. maculosa venom. Venom obtained from fresh captured specimens of this fish was tested in vitro or in animal models for a better characterization of its toxic activities. In contrast to other fish venoms, T. maculosa venom showed relative low LD50. The injection of venom in the footpad of mice reproduced a local inflammatory lesion similar to that described in humans. Significant increase of the nociceptive and edematogenic responses was observed followed within 48 h by necrosis. Pronounced alterations on microvascular hemodynamics were visualized after venom application. These alterations were represented by fibrin depots and thrombus formation followed by complete venular stasis and transient arteriolar contraction. T. maculosa venom is devoid of phospholipase A2 activity, but the venom showed proteolytic and myotoxic activities. SDS-Page analysis of the crude venom showed important bands: one band located above 97 M(w), one band between 68 and 97 M(w), one major band between 29 and 43 M(w) and the last one located below 18.4 M(w) Then, the results presented here support that T. maculosa venom present a mixture of bioactive toxins involved in a local inflammatory lesion.
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