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Motta JM, Micheli KVA, Roberto-Fernandes C, Hermsdorff-Brandt M, Guedes AL, Frattani FS, Mourão PAS, Pereira MS. A low-anticoagulant heparin suppresses metastatic dissemination through the inhibition of tumor cell-platelets association. Biomed Pharmacother 2024; 171:116108. [PMID: 38218079 DOI: 10.1016/j.biopha.2023.116108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/23/2023] [Accepted: 12/28/2023] [Indexed: 01/15/2024] Open
Abstract
Metastasis is the leading cause of cancer-related deaths. Despite this relevance, there is no specific therapy targeting metastasis. The interaction of the tumor cell with platelets, forming microemboli is crucial for successful hematogenous dissemination. Heparin disrupts it by a P-selectin-mediated event. However, its clinical use for this purpose is hindered by the requirement of high doses, leading to anticoagulant-related side effects. In this study, we obtained a low-anticoagulant heparin through the fractionation of a pharmaceutical bovine heparin. This derivative was referred to as LA-hep and we investigated its efficacy in inhibiting metastases and explored its capacity of suppressing the interaction between tumor cells and platelets. Our data revealed that LA-hep is as efficient as porcine unfractionated heparin in attenuating lung metastases from melanoma and colon adenocarcinoma cells in an assay with a single intravenous administration. It also prevents platelet arrest shortly after cell injection in wild-type mice and suppresses melanoma-platelets interaction in vitro. Moreover, LA-hep blocks P-selectin's direct binding to tumor cells and platelet aggregation, providing further evidence for the role of P-selectin as a molecular target. Even in P-selectin-depleted mice which developed a reduced number of metastatic foci, both porcine heparin and LA-hep further inhibited metastasis burden. This suggests evidence of an additional mechanism of antimetastatic action. Therefore, our results indicate a dissociation between the heparin anticoagulant and antimetastatic effects. Considering the simple and highly reproducible methodology used to purify LA-hep along with the data presented here, LA-hep emerges as a promising drug for future use in preventing metastasis in cancer patients.
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Affiliation(s)
- Juliana M Motta
- Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo de Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil
| | - Kayene V A Micheli
- Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo de Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil
| | - Carlos Roberto-Fernandes
- Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo de Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil
| | - Michelle Hermsdorff-Brandt
- Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo de Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil
| | - Alessandra L Guedes
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, CEP 21941-902, Brazil
| | - Flávia S Frattani
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-599, Brazil
| | - Paulo A S Mourão
- Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo de Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil
| | - Mariana S Pereira
- Programa de Glicobiologia, Instituto de Bioquímica Médica Leopoldo de Meis and Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil.
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Vasconcelos AA, Sucupira ID, Guedes AL, Queiroz IN, Frattani FS, Fonseca RJ, Pomin VH. Anticoagulant and Antithrombotic Properties of Three Structurally Correlated Sea Urchin Sulfated Glycans and Their Low-Molecular-Weight Derivatives. Mar Drugs 2018; 16:md16090304. [PMID: 30200211 PMCID: PMC6163371 DOI: 10.3390/md16090304] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 08/20/2018] [Accepted: 08/27/2018] [Indexed: 01/10/2023] Open
Abstract
The anticoagulant and antithrombotic properties of three structurally correlated sea urchin-derived 3-linked sulfated α-glycans and their low molecular-weight derivatives were screened comparatively through various in vitro and in vivo methods. These methods include activated partial thromboplastin time, the inhibitory activity of antithrombin over thrombin and factor Xa, venous antithrombosis, the inhibition of platelet aggregation, the activation of factor XII, and bleeding. While the 2-sulfated fucan from Strongylocentrotus franciscanus was observed to be poorly active in most assays, the 4-sulfated fucan from Lytechinus variegatus, the 2-sulfated galactan from Echinometra lucunter and their derivatives showed multiple effects. All marine compounds showed no capacity to activate factor XII and similar low bleeding tendencies regardless of the dose concentrations used to achieve the highest antithrombotic effect observed. The 2-sulfated galactan showed the best combination of results. Our work improves the background about the structure-function relationship of the marine sulfated glycans in anticoagulation and antithrombosis. Besides confirming the negative effect of the 2-sulfated fucose and the positive effect of the 2-sulfated galactose on anticoagulation in vitro, our results also demonstrate the importance of this set of structural requirements on antithrombosis in vivo, and further support the involvement of high-molecular weight and 4-sulfated fucose in both activities.
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Affiliation(s)
- Ariana A Vasconcelos
- Program of Glycobiology, Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro 21941-590, RJ, Brazil.
- University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-913, RJ, Brazil.
| | - Isabela D Sucupira
- Program of Glycobiology, Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro 21941-590, RJ, Brazil.
- University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-913, RJ, Brazil.
| | - Alessandra L Guedes
- Program of Glycobiology, Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro 21941-590, RJ, Brazil.
- Department of Clinical Analyses and Toxicology, School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro 21941-599, RJ, Brazil.
| | - Ismael N Queiroz
- Program of Glycobiology, Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro 21941-590, RJ, Brazil.
- University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-913, RJ, Brazil.
| | - Flavia S Frattani
- Department of Clinical Analyses and Toxicology, School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro 21941-599, RJ, Brazil.
| | - Roberto J Fonseca
- University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-913, RJ, Brazil.
- Undergraduate Program in Pharmacology, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil.
| | - Vitor H Pomin
- Program of Glycobiology, Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro 21941-590, RJ, Brazil.
- University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-913, RJ, Brazil.
- Department of BioMolecular Sciences, Division of Pharmacognosy, and Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, Oxford, MS 38677-1848, USA.
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Nogueira SA, Guedes AL, Wanke B, Capella S, Rodrigues K, Abreu TF, Morais JC, Lambert JS. Osteomyelitis caused by Paracoccidioides brasiliensis in a child from the metropolitan area of Rio de Janeiro. J Trop Pediatr 2001; 47:311-5. [PMID: 11695735 DOI: 10.1093/tropej/47.5.311] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The authors describe a case of paracoccidioidomycosis in a 7-year-old girl from the city of Rio de Janeiro who initially presented to her physician with a lesion in her calcaneous which was misdiagnosed and treated as bacterial osteomyelitis. Later, cutaneous manifestations, lymph node enlargement, and hepatosplenomegaly developed and biopsy of the skin and cervical lymph nodes showed the fungus which was also present in the sputum. It is emphasized that Paracoccidioides brasiliensis can be the cause of bone lesions in endemic areas of Latin America and that response to treatment with amphotercin B is good.
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Affiliation(s)
- S A Nogueira
- Hospital Universitário Clementino Fraga Filho, Serviço de Doenças Infecciosas e Parasitárias, University Federal do Rio de Janeiro, Brazil.
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