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de Andrade VM, de Oliveira VDM, Barcick U, Ramu VG, Heras M, Bardají ER, Castanho MARB, Zelanis A, Capella A, Junqueira JC, Conceição K. Mechanistic insights on the antibacterial action of the kyotorphin peptide derivatives revealed by in vitro studies and Galleria mellonella proteomic analysis. Microb Pathog 2024; 189:106607. [PMID: 38437995 DOI: 10.1016/j.micpath.2024.106607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 02/21/2024] [Accepted: 03/01/2024] [Indexed: 03/06/2024]
Abstract
OBJECTIVES The selected kyotorphin derivatives were tested to improve their antimicrobial and antibiofilm activity. The antimicrobial screening of the KTP derivatives were ascertained in the representative strains of bacteria, including Streptococcus pneumoniae, Streptococcus pyogenes, Escherichia coli and Pseudomonas aeruginosa. METHODS Kyotorphin derivatives, KTP-NH2, KTP-NH2-DL, IbKTP, IbKTP-NH2, MetKTP-DL, MetKTP-LD, were designed and synthesized to improve lipophilicity and resistance to enzymatic degradation. Peptides were synthesized by standard solution or solid-phase peptide synthesis and purified using RP-HPLC, which resulted in >95 % purity, and were fully characterized by mass spectrometry and 1H NMR. The minimum inhibitory concentrations (MIC) determined for bacterial strains were between 20 and 419 μM. The direct effect of IbKTP-NH2 on bacterial cells was imaged using scanning electron microscopy. The absence of toxicity, high survival after infection and an increase in the hemocytes count was evaluated by injections of derivatives in Galleria mellonella larvae. Proteomics analyses of G. mellonella hemolymph were performed to investigate the underlying mechanism of antibacterial activity of IbKTP-NH2 at MIC. RESULTS IbKTP-NH2 induces morphological changes in bacterial cell, many differentially expressed proteins involved in DNA replication, synthesis of cell wall, and virulence were up-regulated after the treatment of G. mellonella with IbKTP-NH2. CONCLUSION We suggest that this derivative, in addition to its physical activity on the bacterial membranes, can elicit a cellular and humoral immune response, therefore, it could be considered for biomedical applications.
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Affiliation(s)
- Vitor M de Andrade
- Laboratório de Bioquímica de Peptídeos, Departamento de Ciência e Tecnologia - Universidade Federal de São Paulo - UNIFESP, Rua Talim, 330, São José dos Campos, SP, 12231-280, Brazil
| | - Vitor D M de Oliveira
- Laboratório de Bioquímica de Peptídeos, Departamento de Ciência e Tecnologia - Universidade Federal de São Paulo - UNIFESP, Rua Talim, 330, São José dos Campos, SP, 12231-280, Brazil
| | - Uilla Barcick
- Laboratório de Proteômica Funcional, Departamento de Ciência e Tecnologia, Universidade Federal de São Paulo - Universidade Federal de São Paulo - UNIFESP, Rua Talim, 330, São José dos Campos, SP, 12231-280, Brazil
| | - Vasanthakumar G Ramu
- Laboratori d'Innovació en Processos i Productes de Síntesi Orgànica (LIPPSO), Departament de Química, Universitat de Girona, Campus Montilivi, 17071, Girona, Spain; Peptides and Complex Generics, #2700, Neovantage, Genome Valley, Shameerpet, Hyderabad, 500078, Telengana, India
| | - Montserrat Heras
- Laboratori d'Innovació en Processos i Productes de Síntesi Orgànica (LIPPSO), Departament de Química, Universitat de Girona, Campus Montilivi, 17071, Girona, Spain
| | - Eduard R Bardají
- Laboratori d'Innovació en Processos i Productes de Síntesi Orgànica (LIPPSO), Departament de Química, Universitat de Girona, Campus Montilivi, 17071, Girona, Spain
| | - Miguel A R B Castanho
- Instituto de Medicina Molecular, Faculdade de Medicina de Lisboa, Av. Professor Egas Moniz, 1649-028, Lisboa, Portugal
| | - André Zelanis
- Laboratório de Proteômica Funcional, Departamento de Ciência e Tecnologia, Universidade Federal de São Paulo - Universidade Federal de São Paulo - UNIFESP, Rua Talim, 330, São José dos Campos, SP, 12231-280, Brazil
| | - Aline Capella
- Laboratório ProLaser, Departamento de Ciência e Tecnologia, Universidade Federal de São Paulo - UNIFESP, Rua Talim, 330, São José dos Campos, SP, 12231-280, Brazil
| | - Juliana C Junqueira
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (Unesp), São José dos Campos, 12245-000, SP, Brazil
| | - Katia Conceição
- Laboratório de Bioquímica de Peptídeos, Departamento de Ciência e Tecnologia - Universidade Federal de São Paulo - UNIFESP, Rua Talim, 330, São José dos Campos, SP, 12231-280, Brazil.
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Mikolajczyk A, Khosrawipour V, Lau H, Li S, Migdal P, Labbé MK, Kielan W, Nicpon J, Stieglitz S, Khosrawipour T. Exploring the potential of taurolidine in inducing mobilization and detachment of colon cancer cells: a preliminary in-vitro study. BMC Pharmacol Toxicol 2022; 23:38. [PMID: 35698168 PMCID: PMC9195453 DOI: 10.1186/s40360-022-00572-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 05/20/2022] [Indexed: 11/18/2022] Open
Abstract
Background Recently, taurolidine has been intensively studied on a variety of in-vitro cancer cell-lines and first data exhibit encouraging antitumoral effects. While the clinical use of taurolidine is considered, some studies with in-vivo experiments contradict this beneficial effect and even indicate advanced cancer growth. The aim of this study is to further investigate this paradox in-vivo effect by taurolidine and closely analyze the interaction of cancer cells with the surrounding environment following taurolidine exposure. Methods HT-29 (ATCC® HTB-38™) cells were treated with taurolidine at different concentrations and oxaliplatin using an in-vitro model. Morphological changes with respect to increasing taurolidine dosage were visualized and monitored using electron microscopy. Cytotoxicity of the agents as well as extent of cellular detachment by mechanical stress was measured for each substance using a colorimetric MTS assay. Results Both taurolidine and oxaliplatin exhibit cell toxicity on colon cancer cells. Taurolidine reshapes colon cancer cells from round into spheric cells and further induces cluster formation. When exposed to mechanical stress, taurolidine significantly enhances detachment of adherent colon carcinoma cells compared to the control (p < 0.05) and the oxaliplatin group (p < 0.05). This effect is dose dependent. Conclusions Beside its cytotoxic effects, taurolidine could also change mechanical interactions of cancer cells with their environment. Local cancer cell conglomerates could be mechanically mobilized and may cause metastatic growth further downstream. The significance of changes in cellular morphology caused by taurolidine as well as its interaction with the microenvironment must be further addressed in clinical cancer therapies. Further clinical studies are needed to evaluate both the safety and efficacy of taurolidine for the treatment of peritoneal surface malignancies.
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Affiliation(s)
- Agata Mikolajczyk
- Department of Biochemistry and Molecular Biology, Wroclaw University of Environmental and Life Sciences, 50-375, Wroclaw, Wroclaw, Poland
| | - Veria Khosrawipour
- 2nd Department of General Surgery and Surgical Oncology, Wroclaw Medical University, 50-556, Wroclaw, Wroclaw, Poland.,Department of Surgery, University of California Irvine (UCI), Orange, CA, 92868, USA
| | - Hien Lau
- Department of Surgery, University of California Irvine (UCI), Orange, CA, 92868, USA
| | - Shiri Li
- Department of Surgery, Weill Cornell Medical College New York Presbyterian Hospital, New York, 10065, USA
| | - Pawel Migdal
- Department of Environment, Hygiene and Animal Welfare, Wroclaw University of Environmental and Life Sciences, 50-375, Wroclaw, Wroclaw, Poland
| | - Maya Karine Labbé
- School of Dentistry, Wroclaw Medical University, 50-367, Wroclaw, Poland
| | - Wojciech Kielan
- 2nd Department of General Surgery and Surgical Oncology, Wroclaw Medical University, 50-556, Wroclaw, Wroclaw, Poland
| | - Jakub Nicpon
- Department of Surgery, Faculty of Veterinary Sciences, Wroclaw University of Environmental and Life Sciences, 50-375, Wroclaw, Wroclaw, Poland
| | - Sven Stieglitz
- Department Pulmonary Medicine, Petrus-Hospital Wuppertal, University of Witten-Herdecke, 42283, Wuppertal, Wuppertal, Germany
| | - Tanja Khosrawipour
- Department of Surgery (A), University-Hospital Düsseldorf, Moorenstrasse 5, 40225, Düsseldorf, Düsseldorf, Germany. .,Medical faculty, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany.
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Hill J, Garner R. Efficacy of 4% tetrasodium ethylenediaminetetraacetic acid (T-EDTA) catheter lock solution in home parenteral nutrition patients: A quality improvement evaluation. J Vasc Access 2020; 22:533-539. [DOI: 10.1177/1129729820946916] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Introduction: A functioning and reliable central venous access device is fundamental for home parenteral nutrition patients to administer essential nutrition. Complications of central venous access devices including occlusion, microbial colonization, and biofilm formation are problematic and sometimes life-threatening. A novel lock solution, 4% tetrasodium ethylenediaminetetraacetic acid, has properties that may reduce such complications. Purpose: The aim of this study was to determine the safety, efficacy, and cost implications of implementing 4% tetrasodium ethylenediaminetetraacetic acid to prevent catheter-related complications in home parenteral nutrition patients. Methods: A pre- and post-intervention study was carried over 36 months (12 months pre; 24 months post) by the British Columbia Home Parenteral Nutrition Program in Vancouver, Canada, where 4% tetrasodium ethylenediaminetetraacetic acid was implemented for patients at high risk for central venous access device occlusion and catheter-related infection. Patients were included in the study if they had previous central venous access device complications. The outcomes evaluated were central line-associated bloodstream infection, catheter occlusion requiring thrombolytic treatment, and catheter replacements. Results: In total, 22 out of 105 patients met the inclusion criteria. Two patients were excluded from analyses due to non-adherence and concomitant use of other lock solutions. Post intervention, 20 home parenteral nutrition patients experienced significant reduction in the central line-associated bloodstream infection rate (pre = 1.918/1000 catheter days; post = 0.563/1000 catheter days; p = 0.04) There were no occlusion events reported post intervention. Conclusion: For home parenteral nutrition patients, 4% tetrasodium ethylenediaminetetraacetic acid lock solution effectively reduces the risk of central venous access device complications including occlusions and catheter-related infections.
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Affiliation(s)
- Jocelyn Hill
- BC Home Parenteral Nutrition Program, St. Paul’s Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Rachel Garner
- BC Home Parenteral Nutrition Program, St. Paul’s Hospital, Providence Health Care, Vancouver, BC, Canada
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Daoud DC, Wanten G, Joly F. Antimicrobial Locks in Patients Receiving Home Parenteral Nutrition. Nutrients 2020; 12:nu12020439. [PMID: 32050544 PMCID: PMC7071146 DOI: 10.3390/nu12020439] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 02/02/2020] [Accepted: 02/03/2020] [Indexed: 12/12/2022] Open
Abstract
Catheter-related bloodstream infection (CRBSI) is one of the most common and potentially fatal complications in patients receiving home parenteral nutrition (HPN). In order to prevent permanent venous access loss, catheter locking with an antimicrobial solution has received significant interest and is often a favored approach as part of the treatment of CRBSI, but mainly for its prevention. Several agents have been used for treating and preventing CRBSI, for instance antibiotics, antiseptics (ethanol, taurolidine) and, historically, anticoagulants such as heparin. Nonetheless, current guidelines do not provide clear guidance on the use of catheter locks. Therefore, this review aims to provide a better understanding of the current use of antimicrobial locking in patients on HPN as well as reviewing the available data on novel compounds. Despite the fact that our current knowledge on catheter locking is still hampered by several gaps, taurolidine and ethanol solutions seem promising for prevention and potentially, but not proven, treatment of CRBSI. Additional studies are warranted to further characterize the efficacy and safety of these agents.
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Affiliation(s)
- Dane Christina Daoud
- Department of Medicine, Division of Gastroenterology, Centre Hospitalier de l’Universite de Montreal (CHUM), Centre de Recherche du Centre Hospitalier de l’Universite de Montreal (CRCHUM), 1051 Rue Sanguinet, Montreal, Québec, H2X 3E4, Canada
- Correspondence: ; Tel.: +1-514-467-5931
| | - Geert Wanten
- Intestinal Failure Unit, Department of Gastroenterology and Hepatology, Radboud University Nijmegen Medical Centre, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands;
| | - Francisca Joly
- Center for Intestinal Failure, Department of Gastroenterology and Nutritional Support, Reference Centre of Rare Disease MarDI, Hopital Beaujon, University of Paris Inserm UMR 1149, 92110 Clichy, France;
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Nitroglycerin-Citrate-Ethanol Catheter Lock Solution Is Highly Effective for In Vitro Eradication of Candida auris Biofilm. Antimicrob Agents Chemother 2019; 63:AAC.00299-19. [PMID: 31036689 DOI: 10.1128/aac.00299-19] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 04/20/2019] [Indexed: 12/23/2022] Open
Abstract
Candida auris poses emerging risks for causing severe central line-associated bloodstream infections. We tested in vitro the ability of antifungal lock solutions to rapidly eradicate C. auris biofilms. Liposomal amphotericin B, amphotericin B deoxycholate, fluconazole, voriconazole, micafungin, caspofungin, and anidulafungin failed to completely eradicate all 10 tested C. auris biofilms. Conversely, nitroglycerin-citrate-ethanol (NiCE) catheter lock solution completely eradicated all replicates for all of C. auris biofilms tested.
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