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Dagher MC, Ersayin A, Seyve L, Castellan M, Moreau C, Choisnard L, Thielens N, Marlu R, Polack B, Thomas A. Toward non-factor therapy in hemophilia: an antithrombin insensitive Gla-domainless factor Xa as tissue factor pathway inhibitor bait. Res Pract Thromb Haemost 2023; 7:102175. [PMID: 37841511 PMCID: PMC10568284 DOI: 10.1016/j.rpth.2023.102175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 07/24/2023] [Accepted: 08/06/2023] [Indexed: 10/17/2023] Open
Abstract
Background Gla-domainless factor (F) Xa (GD-FXa) was proposed as a trap to endogenous anticoagulant tissue factor pathway inhibitor (TFPI) to restore thrombin generation in hemophilia. Using computational chemistry and experimental approaches, we previously showed that S195A GD-FXa also binds TFPI and restores ex vivo coagulation in plasma obtained from person(s) with hemophilia. Methods To design a GD-FXa variant with improved anti-TFPI affinity, we performed molecular dynamics simulations and identified suitable sites for mutagenesis. The calculations identified residues R150FXa and K96Fxa as cold-spots of interaction between GD-FXa and the K2 domain of TFPI. In the three-dimensional model, both residues face toward TFPI hydrophobic residues and are thus potential candidates for mutagenesis into hydrophobic residues to favor an improved protein-protein interaction. Results Catalytically inactive GD-FXa variants containing the S195A mutation and the additional mutations K96Y, R150I, R150G, R150F, and K96YR150F, were produced to experimentally confirm these computational hypotheses. Among these mutants, the R150FFXa and the K96YR150FFXa were slightly more effective than S195A GD-FXa in restoring coagulation in FVIII deficient plasmas. However, in surface plasmon resonance experiments, they showed TFPI binding affinities in the same range and acted similarly as S195A GD-FXa in FXa/TFPI competition assays. In contrast, the R150 mutants completely lost their interactions with antithrombin as observed in the surface plasmon resonance experiments. Conclusions We therefore conclude that their antithrombin resistance is responsible for their improved thrombin generation, through an extension of their half-lives.
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Affiliation(s)
- Marie-Claire Dagher
- Univ. Grenoble Alpes, UMR5525, CNRS, TIMC, Grenoble, France
- Univ. Grenoble Alpes, UMR5075, CEA, CNRS, IBS, Grenoble, France
| | - Atanur Ersayin
- Univ. Grenoble Alpes, UMR5525, CNRS, TIMC, Grenoble, France
| | - Landry Seyve
- Haemostasis Unit, Hematology Laboratory, University Grenoble Hospital, Grenoble Alpes University, Grenoble, France
| | | | - Cyril Moreau
- Univ. Grenoble Alpes, UMR5525, CNRS, TIMC, Grenoble, France
| | - Luc Choisnard
- Univ. Grenoble Alpes, UMR5063, ICMG FR 2607, CNRS, Département de Pharmacochimie Moléculaire, Grenoble, France
| | - Nicole Thielens
- Univ. Grenoble Alpes, UMR5075, CEA, CNRS, IBS, Grenoble, France
| | - Raphaël Marlu
- Univ. Grenoble Alpes, UMR5525, CNRS, TIMC, Grenoble, France
- Haemostasis Unit, Hematology Laboratory, University Grenoble Hospital, Grenoble Alpes University, Grenoble, France
| | - Benoît Polack
- Univ. Grenoble Alpes, UMR5525, CNRS, TIMC, Grenoble, France
| | - Aline Thomas
- Univ. Grenoble Alpes, UMR5063, ICMG FR 2607, CNRS, Département de Pharmacochimie Moléculaire, Grenoble, France
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Lobba ARM, Alvarez-Flores MP, Fessel MR, Buri MV, Oliveira DS, Gomes RN, Cunegundes PS, DeOcesano-Pereira C, Cinel VD, Chudzinski-Tavassi AM. A Kunitz-type inhibitor from tick salivary glands: A promising novel antitumor drug candidate. Front Mol Biosci 2022; 9:936107. [PMID: 36052162 PMCID: PMC9424826 DOI: 10.3389/fmolb.2022.936107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 07/05/2022] [Indexed: 11/13/2022] Open
Abstract
Salivary glands are vital structures responsible for successful tick feeding. The saliva of ticks contains numerous active molecules that participate in several physiological processes. A Kunitz-type factor Xa (FXa) inhibitor, similar to the tissue factor pathway inhibitor (TFPI) precursor, was identified in the salivary gland transcriptome of Amblyomma sculptum ticks. The recombinant mature form of this Kunitz-type inhibitor, named Amblyomin-X, displayed anticoagulant, antiangiogenic, and antitumor properties. Amblyomin-X is a protein that inhibits FXa in the blood coagulation cascade and acts via non-hemostatic mechanisms, such as proteasome inhibition. Amblyomin-X selectively induces apoptosis in cancer cells and promotes tumor regression through these mechanisms. Notably, the cytotoxicity of Amblyomin-X seems to be restricted to tumor cells and does not affect non-tumorigenic cells, tissues, and organs, making this recombinant protein an attractive molecule for anticancer therapy. The cytotoxic activity of Amblyomin-X on tumor cells has led to vast exploration into this protein. Here, we summarize the function, action mechanisms, structural features, pharmacokinetics, and biodistribution of this tick Kunitz-type inhibitor recombinant protein as a promising novel antitumor drug candidate.
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Affiliation(s)
- Aline R. M. Lobba
- Centre of Excellence in New Target Discovery-CENTD, Butantan Institute, São Paulo, Brazil
- Development and Innovation Centre, Butantan Institute, Butantan Institute, São Paulo, Brazil
| | - Miryam Paola Alvarez-Flores
- Centre of Excellence in New Target Discovery-CENTD, Butantan Institute, São Paulo, Brazil
- Development and Innovation Centre, Butantan Institute, Butantan Institute, São Paulo, Brazil
| | - Melissa Regina Fessel
- Centre of Excellence in New Target Discovery-CENTD, Butantan Institute, São Paulo, Brazil
- Development and Innovation Centre, Butantan Institute, Butantan Institute, São Paulo, Brazil
| | - Marcus Vinicius Buri
- Centre of Excellence in New Target Discovery-CENTD, Butantan Institute, São Paulo, Brazil
- Development and Innovation Centre, Butantan Institute, Butantan Institute, São Paulo, Brazil
| | - Douglas S. Oliveira
- Centre of Excellence in New Target Discovery-CENTD, Butantan Institute, São Paulo, Brazil
- Development and Innovation Centre, Butantan Institute, Butantan Institute, São Paulo, Brazil
- Biochemistry Department, Federal University of São Paulo, São Paulo, Brazil
| | - Renata N. Gomes
- Centre of Excellence in New Target Discovery-CENTD, Butantan Institute, São Paulo, Brazil
- Development and Innovation Centre, Butantan Institute, Butantan Institute, São Paulo, Brazil
| | - Priscila S. Cunegundes
- Centre of Excellence in New Target Discovery-CENTD, Butantan Institute, São Paulo, Brazil
- Development and Innovation Centre, Butantan Institute, Butantan Institute, São Paulo, Brazil
- Biochemistry Department, Federal University of São Paulo, São Paulo, Brazil
| | - Carlos DeOcesano-Pereira
- Centre of Excellence in New Target Discovery-CENTD, Butantan Institute, São Paulo, Brazil
- Development and Innovation Centre, Butantan Institute, Butantan Institute, São Paulo, Brazil
| | - Victor D. Cinel
- Centre of Excellence in New Target Discovery-CENTD, Butantan Institute, São Paulo, Brazil
- Development and Innovation Centre, Butantan Institute, Butantan Institute, São Paulo, Brazil
- Biochemistry Department, Federal University of São Paulo, São Paulo, Brazil
| | - Ana M. Chudzinski-Tavassi
- Centre of Excellence in New Target Discovery-CENTD, Butantan Institute, São Paulo, Brazil
- Development and Innovation Centre, Butantan Institute, Butantan Institute, São Paulo, Brazil
- Biochemistry Department, Federal University of São Paulo, São Paulo, Brazil
- *Correspondence: Ana M. Chudzinski-Tavassi,
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Ding L, Shu Z, Hao J, Luo X, Ye X, Zhu W, Duan W, Chen Z. Schixator, a new FXa inhibitor from Schistosoma japonicum with antithrombotic effect and low bleeding risk. Biochem Biophys Res Commun 2022; 603:138-143. [DOI: 10.1016/j.bbrc.2022.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/28/2022] [Accepted: 03/01/2022] [Indexed: 11/26/2022]
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Jmel MA, Aounallah H, Bensaoud C, Mekki I, Chmelař J, Faria F, M’ghirbi Y, Kotsyfakis M. Insights into the Role of Tick Salivary Protease Inhibitors during Ectoparasite-Host Crosstalk. Int J Mol Sci 2021; 22:E892. [PMID: 33477394 PMCID: PMC7831016 DOI: 10.3390/ijms22020892] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 01/12/2021] [Accepted: 01/13/2021] [Indexed: 02/07/2023] Open
Abstract
Protease inhibitors (PIs) are ubiquitous regulatory proteins present in all kingdoms. They play crucial tasks in controlling biological processes directed by proteases which, if not tightly regulated, can damage the host organism. PIs can be classified according to their targeted proteases or their mechanism of action. The functions of many PIs have now been characterized and are showing clinical relevance for the treatment of human diseases such as arthritis, hepatitis, cancer, AIDS, and cardiovascular diseases, amongst others. Other PIs have potential use in agriculture as insecticides, anti-fungal, and antibacterial agents. PIs from tick salivary glands are special due to their pharmacological properties and their high specificity, selectivity, and affinity to their target proteases at the tick-host interface. In this review, we discuss the structure and function of PIs in general and those PI superfamilies abundant in tick salivary glands to illustrate their possible practical applications. In doing so, we describe tick salivary PIs that are showing promise as drug candidates, highlighting the most promising ones tested in vivo and which are now progressing to preclinical and clinical trials.
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Affiliation(s)
- Mohamed Amine Jmel
- Laboratory of Genomics and Proteomics of Disease Vectors, Biology Centre CAS, Institute of Parasitology, Branišovská 1160/31, 37005 České Budějovice, Czech Republic; (M.A.J.); (C.B.); (I.M.)
| | - Hajer Aounallah
- Institut Pasteur de Tunis, Université de Tunis El Manar, LR19IPTX, Service d’Entomologie Médicale, Tunis 1002, Tunisia; (H.A.); (Y.M.)
- Innovation and Development Laboratory, Innovation and Development Center, Instituto Butantan, São Paulo 05503-900, Brazil;
| | - Chaima Bensaoud
- Laboratory of Genomics and Proteomics of Disease Vectors, Biology Centre CAS, Institute of Parasitology, Branišovská 1160/31, 37005 České Budějovice, Czech Republic; (M.A.J.); (C.B.); (I.M.)
| | - Imen Mekki
- Laboratory of Genomics and Proteomics of Disease Vectors, Biology Centre CAS, Institute of Parasitology, Branišovská 1160/31, 37005 České Budějovice, Czech Republic; (M.A.J.); (C.B.); (I.M.)
- Faculty of Science, University of South Bohemia in České Budějovice, 37005 České Budějovice, Czech Republic;
| | - Jindřich Chmelař
- Faculty of Science, University of South Bohemia in České Budějovice, 37005 České Budějovice, Czech Republic;
| | - Fernanda Faria
- Innovation and Development Laboratory, Innovation and Development Center, Instituto Butantan, São Paulo 05503-900, Brazil;
| | - Youmna M’ghirbi
- Institut Pasteur de Tunis, Université de Tunis El Manar, LR19IPTX, Service d’Entomologie Médicale, Tunis 1002, Tunisia; (H.A.); (Y.M.)
| | - Michalis Kotsyfakis
- Laboratory of Genomics and Proteomics of Disease Vectors, Biology Centre CAS, Institute of Parasitology, Branišovská 1160/31, 37005 České Budějovice, Czech Republic; (M.A.J.); (C.B.); (I.M.)
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Barboza T, Gomes T, da Costa Medeiros P, Ramos IP, Francischetti I, Monteiro RQ, Gutfilen B, de Souza SAL. Development of 131I-ixolaris as a theranostic agent: metastatic melanoma preclinical studies. Clin Exp Metastasis 2020; 37:489-497. [PMID: 32394234 DOI: 10.1007/s10585-020-10036-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 05/04/2020] [Indexed: 12/13/2022]
Abstract
Tissue factor (TF), a blood coagulation protein, plays an important role in tumor growth, invasion, and metastasis. Ixolaris, a tick-derived non-immunogenic molecule that binds to TF, has demonstrated in vivo inhibitory effect on murine models of melanoma, including primary growth and metastasis. This work aimed to: I) develop an efficient and stable labeling technique of ixolaris with Iodine-131(131I); II) compare the biodistribution of 131I and 131I-ixolaris in tumor-free and melanoma-bearing mice; III) evaluate whether 131I-ixolaris could serve as an antimetastatic agent. Ixolaris radioiodination was performed using iodogen, followed by liquid paper chromatography. Labeling stability and anticoagulant activity were measured. Imaging studies were performed after intravenous administration of free 131I or 131I-ixolaris in a murine melanoma model employing the B16-F10 cell line. Animals were divided in three experimental groups: the first experimental group, D0, received a single-dose of 9.25 MBq of 131I-ixolaris at the same day the animals were inoculated with melanoma cells. In the second group, D15, a single-dose of 9.25 MBq of 131I-ixolaris or free 131I was applied into mice on the fifteenth day after the tumor induction. The third group, D1-D15, received two therapeutic doses of 9.25 MBq of 131I-ixolaris or 131I. In vitro studies demonstrated that 131I-ixolaris is stable for up to 24 h and retains its inhibitory activity on blood coagulation. Biodistribution analysis and metastasis assays showed that all treatment regimens with 131I-ixolaris were effective, being the double-treatment (D1/D15) the most effective one. Remarkably, treatment with free 131I showed no anti-metastatic effect. 131I-ixolaris is a promising theranostic agent for metastatic melanoma.
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Affiliation(s)
- Thiago Barboza
- Departamento de Radiologia, Faculdade de Medicina, Laboratório de Marcação de Células E Moléculas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Tainá Gomes
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Priscylla da Costa Medeiros
- Departamento de Radiologia, Faculdade de Medicina, Laboratório de Marcação de Células E Moléculas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Isalira Peroba Ramos
- Centro Nacional de Bioimagem E Biologia Estrutural, Bloco M, Unidade 2, Centro de Ciências da Saúde, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Ivo Francischetti
- Laboratory of Malaria and Vector Research, NIAID, National Institutes of Health, Bethesda, USA
| | - Robson Q Monteiro
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Bianca Gutfilen
- Departamento de Radiologia, Faculdade de Medicina, Laboratório de Marcação de Células E Moléculas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Sergio Augusto Lopes de Souza
- Departamento de Radiologia, Faculdade de Medicina, Laboratório de Marcação de Células E Moléculas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil. .,Centro Nacional de Bioimagem E Biologia Estrutural, Bloco M, Unidade 2, Centro de Ciências da Saúde, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brasil.
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Wiedemann C, Kumar A, Lang A, Ohlenschläger O. Cysteines and Disulfide Bonds as Structure-Forming Units: Insights From Different Domains of Life and the Potential for Characterization by NMR. Front Chem 2020; 8:280. [PMID: 32391319 PMCID: PMC7191308 DOI: 10.3389/fchem.2020.00280] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 03/23/2020] [Indexed: 12/22/2022] Open
Abstract
Disulfide bridges establish a fundamental element in the molecular architecture of proteins and peptides which are involved e.g., in basic biological processes or acting as toxins. NMR spectroscopy is one method to characterize the structure of bioactive compounds including cystine-containing molecules. Although the disulfide bridge itself is invisible in NMR, constraints obtained via the neighboring NMR-active nuclei allow to define the underlying conformation and thereby to resolve their functional background. In this mini-review we present shortly the impact of cysteine and disulfide bonds in the proteasome from different domains of life and give a condensed overview of recent NMR applications for the characterization of disulfide-bond containing biomolecules including advantages and limitations of the different approaches.
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Affiliation(s)
- Christoph Wiedemann
- Institute of Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Amit Kumar
- Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany
| | - Andras Lang
- Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany
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Ticks provide insight into human coagulation. Blood 2019; 134:661-662. [DOI: 10.1182/blood.2019001637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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