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Maral M, Erdem A. Carbon Nanofiber-Ionic Liquid Nanocomposite Modified Aptasensors Developed for Electrochemical Investigation of Interaction of Aptamer/Aptamer-Antisense Pair with Activated Protein C. BIOSENSORS 2023; 13:bios13040458. [PMID: 37185533 PMCID: PMC10136435 DOI: 10.3390/bios13040458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 05/17/2023]
Abstract
Selective and sensitive detection of human activated protein C (APC) was performed herein by using carbon nanofiber (CNF) and ionic liquid (IL) composite modified pencil graphite electrode (PGE) and electrochemical impedance spectroscopy (EIS) technique. A carbon nanomaterial-based electrochemical aptasensor was designed and implemented for the first time in this study for the solution-phase interaction of DNA-Apt with its cognate protein APC as well as APC inhibitor aptamer-antidote pair. The applicability of this assay developed for the determination of APC in fetal bovine serum (FBS) and its selectivity against different proteins (protein C, thrombin, bovine serum albumin) was also examined. CNF-IL modified aptasensor specific to APC provided the detection limit as 0.23 μg/mL (equal to 3.83 nM) in buffer medium and 0.11 μg/mL (equal to 1.83 nM) in FBS. The duration of the proposed assay from the point of electrode modification to the detection of APC was completed within only 55 min.
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Affiliation(s)
- Meltem Maral
- Department of Material Science and Engineering, The Institute of Natural and Applied Sciences, Ege University, Bornova, 35100 Izmir, Turkey
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, Bornova, 35100 Izmir, Turkey
| | - Arzum Erdem
- Department of Material Science and Engineering, The Institute of Natural and Applied Sciences, Ege University, Bornova, 35100 Izmir, Turkey
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, Bornova, 35100 Izmir, Turkey
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2
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Feliciano GP, Arimori SH, Nakao VW, Dos Santos JR, Martins EAL, Bemquerer MP, Cheng E. Non-Cryoprecipitation Separation of Coagulation FVIII and Prothrombin Complex Proteins by Pseudoaffinity Calcium Elution Chromatography Using Anion Exchange Resin. Pharmaceuticals (Basel) 2022; 15:ph15101192. [PMID: 36297304 PMCID: PMC9607535 DOI: 10.3390/ph15101192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 11/16/2022] Open
Abstract
Hemophilia A is treated with human plasma coagulation factor VIII (FVIII) replacement therapy and Hemophilia B with coagulation factor IX, which is purified from prothrombin complex concentrate (PCC). In this paper we evaluated the separation of FVIII and PCC by directly loading raw thawed plasma to an anion exchange resin (AEX). Under this relatively high ionic strength, most of the plasma proteins such as albumin, immunoglobulins and others were not adsorbed. Five resins commonly used in protein purification (plasma fractionation) were tested. With all resins, PCC was eluted by pseudoaffinity in a calcium gradient step. Afterwards, FVIII could be recovered with a good yield and high purification factor in the salt gradient step with 400–500 mM NaCl. Using ANX Sepharose FF and Q Sepharose FF, the CaCl2 elution step was introduced after the intermediate wash with 200 mM NaCl, whereas using DEAE Sepharose FF, Fractogel EMD TMAE and Fractogel EMD DEAD, PCC eluted after the wash of the unbound proteins. Our results indicate that three important fractions: (1) albumin, immunoglobulin etc.; (2) PCC; and (3) FVIII can be separated in one chromatographic AEX column and the delicate and troublesome cryoprecipitation can be eliminated, making the purification of blood products faster and cheaper.
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Affiliation(s)
- Gabriel Pinna Feliciano
- Laboratório de Desenvolvimento de Processos, Instituto Butantan, São Paulo 05503-900, SP, Brazil
- Programa de Pós-Graduação Interunidades em Biotecnologia, Universidade de São Paulo, São Paulo 05508-900, SP, Brazil
| | - Sara Hayama Arimori
- Laboratório de Desenvolvimento de Processos, Instituto Butantan, São Paulo 05503-900, SP, Brazil
| | - Vinicius Watanabe Nakao
- Laboratório de Desenvolvimento de Processos, Instituto Butantan, São Paulo 05503-900, SP, Brazil
| | | | - Elizabeth A. L. Martins
- Laboratório de Biológicos Recombinantes, Instituto Butantan, São Paulo 05503-900, SP, Brazil
| | | | - Elisabeth Cheng
- Laboratório de Desenvolvimento de Processos, Instituto Butantan, São Paulo 05503-900, SP, Brazil
- Correspondence: ; Tel.: +55-11-2627-9720
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Damodara S, Arora J, Dwivedi DJ, Liaw PC, Fox-Robichaud AE, Selvaganapathy PR. Microfluidic device for single step measurement of protein C in plasma samples for sepsis prognosis. LAB ON A CHIP 2022; 22:2566-2577. [PMID: 35678179 DOI: 10.1039/d1lc01084k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Protein C is a vitamin K dependant protein in plasma that plays an essential role in regulating the coagulation cascade and inflammatory response. As a result of its importance in these roles, it has been suggested as a biomarker for prognosis of patients affected by sepsis. Sepsis is a dysregulated host response to an infection that is the leading cause of mortality in U.S. hospitals and results in the highest cost of hospitalization. It was found that protein C concentration in non-surviving sepsis patients is significantly lower (1.8 μg mL-1) than in survivors and healthy patients who have a protein C concentration of 3.9-5.9 μg mL-1. Current methods for diagnosing sepsis rely on expensive immunoassays or functional assays that require multiple steps for isolation and activation of protein C. We demonstrate in this paper a low cost, single step assay for detection of protein C in blood plasma. This was done by combining isoelectric gates with barium-immobilized metal affinity trapping. The electric field was optimized for use with immobilized metal affinity using COMSOL simulation. The integrated device was tested with samples containing buffered protein C, protein C in the presence of high concentration bovine serum albumin and alpha 1-proteinase inhibitor, and in blood plasma with spiked protein C. The stability of the measured values was tested by monitoring the intensity of a mixture of protein C with BSA and A1PI every minute to determine that measurement after 40 minutes was optimal. The results showed that the device could be used to distinguish a reduction in protein C from 4.46 μg mL-1 to 1.96 μg mL-1 with greater than 98% confidence in plasma making it suitable for sepsis prognosis.
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Affiliation(s)
- Sreekant Damodara
- Department of Mechanical Engineering, McMaster University, Hamilton, Canada.
| | - Jaskirat Arora
- Department of Medicine, McMaster University, Hamilton, Canada
| | | | - Patricia C Liaw
- Department of Medicine, McMaster University, Hamilton, Canada
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Begić M, Pečenković S, Gajdošik MŠ, Josić D, Müller E. Salt-tolerant cation exchanger-containing sulfate groups as a viable alternative for mixed-mode type and heparin-based affinity resins. Biotechnol J 2021; 16:e2100100. [PMID: 34347362 DOI: 10.1002/biot.202100100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 07/02/2021] [Accepted: 07/12/2021] [Indexed: 12/17/2022]
Abstract
Ion-exchange chromatography is still one of the most popular protein separation techniques. Before chromatographic separation, the high salt concentration in various samples necessitates additional steps. Therefore, low salt tolerance of ion-exchange resins is a drawback that needs to be addressed. Herein, the differences in salt tolerance and hydrophobicity of strong cation-exchange TOYOPEARL resins of sulfonium and sulfate-types were investigated. Despite only a minor structural difference, differences in selectivity and salt tolerance between the sulfate and sulfonic groups were detected. In silico calculations were also carried out for model substances representing the sulfonium and sulfate groups, wherein significant differences in hydrophobicity was observed. These experiments confirmed the hypothesis that the salt tolerance, higher affinity, and selectivity for certain vitamin K dependent clotting factors are interrelated and dependent on the presence of the sulfate group. Separation of clotting factor IX from the prothrombin complex concentrate further to confirmed the affinity for these proteins. The results show that the use of only a resin with the sulfate ligand and not with the sulfonic acid ligand allows for a facile and rapid separation of clotting factor IX and other vitamin K dependent clotting factors.
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Affiliation(s)
- Marija Begić
- Faculty of Medicine, University Juraj Dobrila, Pula, Croatia
| | | | | | - Djuro Josić
- Faculty of Medicine, University Juraj Dobrila, Pula, Croatia.,Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA
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Novakovic VA, Gilbert GE. Procoagulant activities of skeletal and cardiac muscle myosin depend on contaminating phospholipid. Blood 2020; 136:2469-2472. [PMID: 32604409 PMCID: PMC7685214 DOI: 10.1182/blood.2020005930] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 06/23/2020] [Indexed: 12/18/2022] Open
Abstract
Recent reports indicate that suspended skeletal and cardiac myosin, such as might be released during injury, can act as procoagulants by providing membrane-like support for factors Xa and Va in the prothrombinase complex. Further, skeletal myosin provides membrane-like support for activated protein C. This raises the question of whether purified muscle myosins retain procoagulant phospholipid through purification. We found that lactadherin, a phosphatidyl-l-serine-binding protein, blocked >99% of prothrombinase activity supported by rabbit skeletal and by bovine cardiac myosin. Similarly, annexin A5 and phospholipase A2 blocked >95% of myosin-supported activity, confirming that contaminating phospholipid is required to support myosin-related prothrombinase activity. We asked whether contaminating phospholipid in myosin preparations may also contain tissue factor (TF). Skeletal myosin supported factor VIIa cleavage of factor X equivalent to contamination by ∼1:100 000 TF/myosin, whereas cardiac myosin had TF-like activity >10-fold higher. TF pathway inhibitor inhibited the TF-like activity similar to control TF. These results indicate that purified skeletal muscle and cardiac myosins support the prothrombinase complex indirectly through contaminating phospholipid and also support factor X activation through TF-like activity. Our findings suggest a previously unstudied affinity of skeletal and cardiac myosin for phospholipid membranes.
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Affiliation(s)
| | - Gary E Gilbert
- Department of Research and
- Department of Medicine, VA Boston Healthcare System, Boston, MA; and
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
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Manukyan L, Mantas A, Razumikhin M, Katalevsky A, Golubev E, Mihranyan A. Two-Step Size-Exclusion Nanofiltration of Prothrombin Complex Concentrate Using Nanocellulose-Based Filter Paper. Biomedicines 2020; 8:E69. [PMID: 32224972 PMCID: PMC7235758 DOI: 10.3390/biomedicines8040069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 03/16/2020] [Accepted: 03/21/2020] [Indexed: 02/06/2023] Open
Abstract
Coagulation Factor IX-rich protrhombin complex concentrate (FIX-PCC) is a therapeutic biologic product that consists of a mixture of several human plasma-derived proteins, useful for treating hemophilia B. Due to its complex composition, FIX-PCC is very challenging to bioprocess through virus removing nanofilters in order to ensure its biosafety. This article describes a two-step filtration process of FIX-PCC using a nanocellulose-based filter paper with tailored porosity. The filters were characterized with scanning electron microscopy (SEM), cryoporometry with differential scanning calorimetry, and nitrogen gas sorption. Furthermore, in order to probe the filter's cut-off size rejection threshold, removal of small- and large-size model viruses, i.e., ΦX174 (28 nm) and PR772 (70 nm), was evaluated. The feed, pre-filtrate, and permeate solutions were characterized with mass-spectrometric proteomic analysis, dynamic light scattering (DLS), sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), and analytical size-exclusion high-performance liquid chromatography (SEHPLC). By sequential filtration through 11 μm pre-filter and 33 μm virus removal filter paper, it was possible to achieve high product throughput and high virus removal capacity. The presented approach could potentially be applied for bioprocessing other protein-based drugs.
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Affiliation(s)
- Levon Manukyan
- Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Uppsala University, Box 534, 751 21 Uppsala, Sweden; (L.M.); (A.M.)
| | - Athanasios Mantas
- Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Uppsala University, Box 534, 751 21 Uppsala, Sweden; (L.M.); (A.M.)
| | | | | | - Eugen Golubev
- National Research Center for Hematology, Novyi Zykovskiy proezd 4, 125167 Moscow, Russia;
| | - Albert Mihranyan
- Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Uppsala University, Box 534, 751 21 Uppsala, Sweden; (L.M.); (A.M.)
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Koyun S, Akgönüllü S, Yavuz H, Erdem A, Denizli A. Surface plasmon resonance aptasensor for detection of human activated protein C. Talanta 2018; 194:528-533. [PMID: 30609568 DOI: 10.1016/j.talanta.2018.10.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 09/28/2018] [Accepted: 10/01/2018] [Indexed: 01/21/2023]
Abstract
The aim of this study is a highly sensitive and selective label-free surface plasmon resonance (SPR) aptasensor preparation for the specific detection of human activated protein C (APC). In the first step, DNA aptamer was complexed with N-methacryloyl-L-cysteine (MAC) monomer. Then, cyanamide and 2-hydroxyethyl methacrylate solution was mixed with the DNA-Apt/MAC complex. Two different SPR sensors (Random-DNA and HEMA-MAC polymeric films) were also prepared by following the same experimental procedure. The characterization of SPR aptasensors was done by contact angle, atomic force microscopy, and ellipsometer analysis. Selectivity studies of SPR aptasensors were performed in the presence of bovine serum albumin, hemoglobin and myoglobin. Desorption studies were performed by using 0.025 M NaCl solution. The limit of detection (LOD) and limit of quantification (LOQ) values of DNA-Apt SPR aptasensor was determined as 1.5 ng/mL and 5.2 ng/mL.
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Affiliation(s)
- Seda Koyun
- Hacettepe University, Department of Chemistry, 06800 Ankara, Turkey
| | - Semra Akgönüllü
- Hacettepe University, Department of Chemistry, 06800 Ankara, Turkey
| | - Handan Yavuz
- Hacettepe University, Department of Chemistry, 06800 Ankara, Turkey
| | - Arzum Erdem
- Ege University, Faculty of Pharmacy, Analytical Chemistry Department, 35100, Izmir, Turkey
| | - Adil Denizli
- Hacettepe University, Department of Chemistry, 06800 Ankara, Turkey.
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8
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Abuelkasem E, Tanaka KA, Planinsic RM. Recent update on coagulation management and hemostatic therapies in liver transplantation. Minerva Anestesiol 2018; 84:1070-1080. [DOI: 10.23736/s0375-9393.18.12487-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Bioactive potential of silica coatings and its effect on the adhesion of proteins to titanium implants. Colloids Surf B Biointerfaces 2017; 162:316-325. [PMID: 29223071 DOI: 10.1016/j.colsurfb.2017.11.072] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 11/14/2017] [Accepted: 11/30/2017] [Indexed: 11/22/2022]
Abstract
There is an ever-increasing need to develop dental implants with ideal characteristics to achieve specific and desired biological response in the scope of improve the healing process post-implantation. Following that premise, enhancing and optimizing titanium implants through superficial treatments, like silica sol-gel hybrid coatings, are regarded as a route of future research in this area. These coatings change the physicochemical properties of the implant, ultimately affecting its biological characteristics. Sandblasted acid-etched titanium (SAE-Ti) and a silica hybrid sol-gel coating (35M35G30T) applied onto the Ti substrate were examined. The results of in vitro and in vivo tests and the analysis of the protein layer adsorbed to each surface were compared and discussed. In vitro analysis with MC3T3-E1 osteoblastic cells, showed that the sol-gel coating raised the osteogenic activity potential of the implants (the expression of osteogenic markers, the alkaline phosphatase (ALP) and IL-6 mRNAs, increased). In the in vivo experiments using as model rabbit tibiae, both types of surfaces promoted osseointegration. However, the coated implants demonstrated a clear increase in the inflammatory activity in comparison with SAE-Ti. Mass spectrometry (LC-MS/MS) analysis showed differences in the composition of protein layers formed on the two tested surfaces. Large quantities of apolipoproteins were found attached predominantly to SAE-Ti. The 35M35G30T coating adsorbed a significant quantity of complement proteins, which might be related to the material intrinsic bioactivity, following an associated, natural and controlled immune response. The correlation between the proteomic data and the in vitro and in vivo outcomes is discussed on this experimental work.
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Updates on the clinical evidenced herb-warfarin interactions. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2014; 2014:957362. [PMID: 24790635 PMCID: PMC3976951 DOI: 10.1155/2014/957362] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Revised: 01/17/2014] [Accepted: 02/13/2014] [Indexed: 12/11/2022]
Abstract
Increasing and inadvertent use of herbs makes herb-drug interactions a focus of research. Concomitant use of warfarin, a highly efficacious oral anticoagulant, and herbs causes major safety concerns due to the narrow therapeutic window of warfarin. This paper presents an update overview of clinical findings regarding herb-warfarin interaction, highlighting clinical outcomes, severity of documented interactions, and quality of clinical evidence. Among thirty-eight herbs, Cannabis, Chamomile, Cranberry, Garlic, Ginkgo, Grapefruit, Lycium, Red clover, and St. John's wort were evaluated to have major severity interaction with warfarin. Herbs were also classified on account of the likelihood of their supporting evidences for interaction. Four herbs were considered as highly probable to interact with warfarin (level I), three were estimated as probable (level II), and ten and twenty-one were possible (level III) and doubtful (level IV), respectively. The general mechanism of herb-warfarin interaction almost remains unknown, yet several pharmacokinetic and pharmacodynamic factors were estimated to influence the effectiveness of warfarin. Based on limited literature and information reported, we identified corresponding mechanisms of interactions for a small amount of “interacting herbs.” In summary, herb-warfarin interaction, especially the clinical effects of herbs on warfarin therapy should be further investigated through multicenter studies with larger sample sizes.
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Ribeiro DA, Passos DF, Ferraz HC, Castilho LR. Anion-exchange purification of recombinant factor IX from cell culture supernatant using different chromatography supports. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 938:111-8. [DOI: 10.1016/j.jchromb.2013.09.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Revised: 08/27/2013] [Accepted: 09/01/2013] [Indexed: 10/26/2022]
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Cao H, Li C, Huang Y, Ye S, Liu B, Wang Z, Du X, Zhang X, Lin F. Influence of washing conditions on effective components of prothrombin complex concentrates. Prep Biochem Biotechnol 2013; 44:164-81. [PMID: 24152102 DOI: 10.1080/10826068.2013.803479] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
In order to increase the yield of prothrombin complex concentrates (PCCs) and to reduce their associated thrombotic risks, the influence of washing conditions on the yield, purity, and balance of coagulation factors (FII, FVII, FIX, and FX), and inhibitor proteins (PC, PS, PZ, and AT [antithrombin]) in PCCs was investigated by orthogonal testing, in which three variables (sodium citrate, NaCl, and pH) and their three levels were selected. It was found that AT yield and purity were extraordinarily low, and at lower NaCl content, the general yield, purity, and balance were higher, lower, and better, respectively; however, the results became contrary at higher NaCl. Moreover, within the investigated levels, NaCl was the first determinant for the yield except AT and the purity except FVII, PC, PS, and AT. Sodium citrate was the first determinant for AT yield and FVII, PS, and AT purity. The yield except FII, PS, and AT decreased and the purity except PC increased with increase of sodium citrate content. Just for PC purity, pH was the first determinant. The effect with pH fluctuation on the yield and purity was characteristically unobvious. The outcome undoubtedly supplies the guidance to further improve PCCs.
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Affiliation(s)
- Haijun Cao
- a Institute of Blood Transfusion , Chinese Academy of Medical Sciences & Peking Union Medical College , Chengdu , China
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Ortiz A, Richa L, Defer C, Dernis D, Huart JJ, Tokarski C, Rolando C. Proteomics applied to transfusion plasma: the beginning of the story. Vox Sang 2013; 104:275-91. [PMID: 23438183 DOI: 10.1111/j.1423-0410.2012.01663.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
'Safe blood' is and has always been the major concern in transfusion medicine. Plasma can undergo virus inactivation treatments based on physicochemical, photochemical or thermal methodologies for pathogen inactivation. The validation of these treatments is essentially based on clottability assays and clotting factors' titration; however, their impact on plasma proteins at the molecular level has not yet been evaluated. Proteomics appears as particularly adapted to identify, to localize and, consequently, to correlate these modifications to the biological activity change. At the crossroads of biology and analytical sciences, proteomics is the large-scale study of proteins in tissues, physiological fluids or cells at a given moment and in a precise environment. The proteomic strategy is based on a set of methodologies involving separative techniques like mono- and bidimensional gel electrophoresis and chromatography, analytical techniques, especially mass spectrometry, and bioinformatics. Even if plasma has been extensively studied since the very beginning of proteomics, its application to transfusion medicine has just begun. In the first part of this review, we present the principles of proteomics analysis. Then, we propose a state of the art of proteomics applied to plasma analysis. Finally, the use of proteomics for the evaluation of the impact of storage conditions and pathogen inactivation treatments applied to transfusion plasma and for the evaluation of therapeutic protein fractionated is discussed.
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Affiliation(s)
- A Ortiz
- USR CNRS 3290, Miniaturisation pour la Synthèse, l'Analyse et la Protéomique (MSAP), Université de Lille 1, Sciences et Technologie, Villeneuve d'Ascq, France
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14
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Lim ZH, Chng ELK, Hui Y, Webster RD. The hydrogen-bonded dianion of vitamin K1 produced in aqueous-organic solutions exists in equilibrium with its hydrogen-bonded semiquinone anion radical. J Phys Chem B 2013; 117:2396-402. [PMID: 23398469 DOI: 10.1021/jp4003966] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
When the quinone, vitamin K1 (VK1), is electrochemically reduced in aqueous-acetonitrile solutions (CH3CN with 7.22 M H2O), it undergoes a two-electron reduction to form the dianion that is hydrogen-bonded with water [VK1(H2O)y(2–)]. EPR and voltammetry experiments have shown that the persistent existence of the semiquinone anion radical (also hydrogen-bonded with water) [VK1(H2O)x(–•)] in aqueous or organic–aqueous solutions is a result of VK1(H2O)y(2–) undergoing a net homogeneous electron transfer reaction (comproportionation) with VK1, and not via direct one-electron reduction of VK1. When 1 mM solutions of VK1 were electrochemically reduced by two electrons in aqueous-acetonitrile solutions, quantitative EPR experiments indicated that the amount of VK1(H2O)x(–•) produced was up to approximately 35% of all the reduced species. In situ electrochemical ATR-FTIR experiments on sequentially one- and two-electron bulk reduced solutions of VK1 (showing strong absorbances at 1664, 1598, and 1298 cm(–1)) in CH3CN containing <0.05 M H2O led to the detection of VK1(–•) with strong absorbances at 1710, 1703, 1593, 1559, 1492, and 1466 cm(–1) and VK1(H2O)y(2–) with strong absorbances at 1372 and 1342 cm(–1).
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Affiliation(s)
- Zhen Hui Lim
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371
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Brown MA, Stenberg LM, Stenflo J. Coagulation Factor Xa. HANDBOOK OF PROTEOLYTIC ENZYMES 2013. [PMCID: PMC7149769 DOI: 10.1016/b978-0-12-382219-2.00642-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The third edition of the Handbook of Proteolytic Enzymes aims to be a comprehensive reference work for the enzymes that cleave proteins and peptides, and contains over 800 chapters. Each chapter is organized into sections describing the name and history, activity and specificity, structural chemistry, preparation, biological aspects, and distinguishing features for a specific peptidase. The subject of Chapter 642 is Coagulation Factor Xa. Keywords Coagulation factor, prothrombin, thrombin, proconvertin, Stuart’s factor, Prower’s factor.
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16
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Josic D, Breen L, Clifton J, Gajdosik MS, Gaso-Sokac D, Rucevic M, Müller E. Separation of proteins from human plasma by sample displacement chromatography in hydrophobic interaction mode. Electrophoresis 2012; 33:1842-9. [PMID: 22740472 DOI: 10.1002/elps.201200006] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Sample displacement chromatography (SDC) in reversed-phase and ion-exchange modes was introduced approximately 20 years ago. This method was first used for the preparative purification of peptides and proteins. Recently, SDC in ion-exchange mode was also successfully used for enrichment of low-abundance proteins from human plasma. In this paper, the use of SDC for the separation of plasma proteins in hydrophobic interaction mode is demonstrated. By use of two or more columns coupled in series during sample application, and subsequent elution of detached columns in parallel, additional separation of bound proteins was achieved. Further low-abundance, physiologically active proteins could be highly enriched and detected by ESI-MS/MS.
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Affiliation(s)
- Djuro Josic
- Proteomics Core, COBRE Center for Cancer Research Development, Rhode Island Hospital, Providence, RI, USA.
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17
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Gajdosik MS, Clifton J, Josic D. Sample displacement chromatography as a method for purification of proteins and peptides from complex mixtures. J Chromatogr A 2012; 1239:1-9. [PMID: 22520159 PMCID: PMC3340482 DOI: 10.1016/j.chroma.2012.03.046] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2011] [Revised: 03/13/2012] [Accepted: 03/14/2012] [Indexed: 01/06/2023]
Abstract
Sample displacement chromatography (SDC) in reversed-phase and ion-exchange modes was introduced approximately twenty years ago. This method takes advantage of relative binding affinities of components in a sample mixture. During loading, there is a competition among different sample components for the sorption on the surface of the stationary phase. SDC was first used for the preparative purification of proteins. Later, it was demonstrated that this kind of chromatography can also be performed in ion-exchange, affinity and hydrophobic-interaction mode. It has also been shown that SDC can be performed on monoliths and membrane-based supports in both analytical and preparative scale. Recently, SDC in ion-exchange and hydrophobic interaction mode was also employed successfully for the removal of trace proteins from monoclonal antibody preparations and for the enrichment of low abundance proteins from human plasma. In this review, the principals of SDC are introduced, and the potential for separation of proteins and peptides in micro-analytical, analytical and preparative scale is discussed.
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Affiliation(s)
| | - James Clifton
- Department of Molecular Pharmacology, Physiology and Biotechnology, Brown University, Providence, RI, USA
| | - Djuro Josic
- COBRE Center for Cancer Research Development, Rhode Island Hospital and Brown University, Providence, RI, USA
- Department of Biotechnology, University of Rijeka, 51000 Rijeka, Croatia
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18
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Gaso-Sokac D, Kovac S, Clifton J, Josic D. Therapeutic plasma proteins--application of proteomics in process optimization, validation, and analysis of the final product. Electrophoresis 2011; 32:1104-17. [PMID: 21544836 DOI: 10.1002/elps.201000641] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An overview is given on the application of proteomic technology in the monitoring of different steps during the production of therapeutic proteins from human plasma. Recent advances in this technology enable the use of proteomics as an advantageous tool for the validation of already existing processes, the development and fine tuning of new production steps, the characterization and quality control of final products, the detection of both harmful impurities and modifications of the therapeutic protein and the auditing of batch-to-batch variations. Further, use of proteomics for preclinical testing of new products, which can be either recombinant or plasma-derived, is also discussed.
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Affiliation(s)
- Dajana Gaso-Sokac
- Department of Chemistry, J. J. Strossmayer Univeristy, Osijek, Croatia
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19
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Brgles M, Clifton J, Walsh R, Huang F, Rucevic M, Cao L, Hixson D, Müller E, Josic D. Selectivity of monolithic supports under overloading conditions and their use for separation of human plasma and isolation of low abundance proteins. J Chromatogr A 2010; 1218:2389-95. [PMID: 21186030 DOI: 10.1016/j.chroma.2010.11.059] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2010] [Revised: 10/19/2010] [Accepted: 11/25/2010] [Indexed: 01/06/2023]
Abstract
Human serum albumin (HSA) and immunoglobulin G (IgG) represent over 75% of all proteins present in human plasma. These two proteins frequently interfere with detection, determination and purification of low abundance proteins that can be potential biomarkers and biomarker candidates for various diseases. Some low abundance plasma proteins such as clotting factors and inhibitors are also important therapeutic agents. In this paper, the characterization of ion-exchange monolithic supports under overloading conditions was performed by use of sample displacement chromatography (SDC). If these supports were used for separation of human plasma, the composition of bound and eluted proteins in both anion- and cation-exchange mode is dependent on column loading. Under overloading conditions, the weakly bound proteins such as HSA in anion-exchange and IgG in cation-exchange mode are displaced by stronger binding proteins, and this phenomenon was not dependent on column size. Consequently, small monolithic columns with a column volume of 100 and 200 μL are ideal supports for high-throughput screening in order to develop new methods for separation of complex mixtures, and for sample preparation in proteomic technology.
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20
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Yang JE, Yoon JH, Won MS, Shim YB. Electrochemical and Spectroelectrochemical Behaviors of Vitamin K1/Lipid Modified Electrodes and the Formation of Radical Anion in Aqueous Media. B KOREAN CHEM SOC 2010. [DOI: 10.5012/bkcs.2010.31.11.3133] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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21
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Purification of coagulation factor VIII using chromatographic methods. Direct chromatography of plasma in anion exchange resins. Biotechnol Lett 2010; 32:1207-14. [DOI: 10.1007/s10529-010-0282-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2010] [Accepted: 04/16/2010] [Indexed: 10/19/2022]
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22
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Clifton J, Huang F, Gaso-Sokac D, Brilliant K, Hixson D, Josic D. Use of proteomics for validation of the isolation process of clotting factor IX from human plasma. J Proteomics 2009; 73:678-88. [PMID: 19819359 DOI: 10.1016/j.jprot.2009.09.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2009] [Revised: 09/24/2009] [Accepted: 09/28/2009] [Indexed: 12/25/2022]
Abstract
The use of proteomic techniques in the monitoring of different production steps of plasma-derived clotting factor IX (pd F IX) was demonstrated. The first step, solid-phase extraction with a weak anion-exchange resin, fractionates the bulk of human serum albumin (HSA), immunoglobulin G, and other non-binding proteins from F IX. The proteins that strongly bind to the anion-exchange resin are eluted by higher salt concentrations. In the second step, anion-exchange chromatography, residual HSA, some proteases and other contaminating proteins are separated. In the last chromatographic step, affinity chromatography with immobilized heparin, the majority of the residual impurities are removed. However, some contaminating proteins still remain in the eluate from the affinity column. The next step in the production process, virus filtration, is also an efficient step for the removal of residual impurities, mainly high molecular weight proteins, such as vitronectin and inter-alpha inhibitor proteins. In each production step, the active component, pd F IX and contaminating proteins are monitored by biochemical and immunochemical methods and by LC-MS/MS and their removal documented. Our methodology is very helpful for further process optimization, rapid identification of target proteins with relatively low abundance, and for the design of subsequent steps for their removal or purification.
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Affiliation(s)
- James Clifton
- Department of Molecular Pharmacology, Physiology and Biotechnology, Brown University, Providence, RI, USA
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23
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Yang X, Clifton J, Huang F, Kovac S, Hixson DC, Josic D. Proteomic analysis for process development and control of therapeutic protein separation from human plasma. Electrophoresis 2009; 30:1185-93. [PMID: 19291737 PMCID: PMC3027352 DOI: 10.1002/elps.200800501] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The use of proteomics technology during the development of a new process for plasma protein separation was demonstrated. In a two-step process, the two most abundant proteins, HSA and IgG, were removed in a first step of anion-exchange chromatography using a gel with very high capacity. Subsequently, two fractions containing medium and low abundance proteins were re-chromatographed on a smaller column with the same type of gel. Collected fractions were separated by SDS-PAGE and 2-D electrophoresis, and excised proteins were digested with trypsin and identified by LC-ESI-MS/MS. This proteomic analysis proved to be a useful method for detection of low abundance therapeutic proteins and potential harmful contaminants during process development. Based on this method, low abundance therapeutic proteins, such as vitamin-K-dependent clotting factors and inhibitors, could be identified as present in target fractions after chromatographic separation. In addition, the tracking of potentially dangerous impurities and designing proper steps for their removal are important outcomes when developing, refining or controlling a new fractionation schema. For the purpose of in-process control, in-solution digestion of complete fractions followed by protein identification with LC-ESI-MS/MS was demonstrated as a rapid and simple alternative to the entire analysis including 1-D or 2-D electrophoretic steps.
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Affiliation(s)
- Xinli Yang
- Proteomics Core, COBRE Center for Cancer Research Development, Rhode Island Hospital, Providence, Rhode Island, USA
| | - James Clifton
- Department of Molecular Pharmacology, Physiology and Biotechnology, Brown University, Providence, RI, USA
| | - Feilei Huang
- Proteomics Core, COBRE Center for Cancer Research Development, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Spomenka Kovac
- J. J. Strossmayer University of Osijek, Department of Chemistry, HR-31000 Osijek, Croatia
| | - Douglas C. Hixson
- Proteomics Core, COBRE Center for Cancer Research Development, Rhode Island Hospital, Providence, Rhode Island, USA
- Brown University Medical School, Providence, Rhode Island, USA
| | - Djuro Josic
- Proteomics Core, COBRE Center for Cancer Research Development, Rhode Island Hospital, Providence, Rhode Island, USA
- J. J. Strossmayer University of Osijek, Department of Chemistry, HR-31000 Osijek, Croatia
- Brown University Medical School, Providence, Rhode Island, USA
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24
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Kovac S, Yang X, Huang F, Hixson D, Josic D. Proteomics as a tool for optimization of human plasma protein separation. J Chromatogr A 2008; 1194:38-47. [PMID: 18486944 DOI: 10.1016/j.chroma.2008.04.026] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2007] [Revised: 04/08/2008] [Accepted: 04/10/2008] [Indexed: 01/05/2023]
Abstract
The application of proteomics technology in purification of proteins from human plasma and for characterization of plasma-derived therapeutics has been recently discussed. However, until now, the impact of this technology on the plasma protein fractionation and analysis of the final product has not been realized. In the present work, we demonstrate the use of proteomic techniques the monitoring of the first step of the plasma fractionation by use of anion-exchange chromatography. This chromatographic method is frequently used in the purification scheme for isolation of vitamin K dependent clotting factors II, VII, IX and X, and clotting inhibitors protein C and protein S, as well as inter-alpha inhibitor proteins (IaIp). After the removal of immunoglobulin G and non-binding proteins in the flow-through fraction, albumin and weakly bound proteins were eluted with low concentration of sodium chloride. The proteins that strongly bind to the anion-exchange column were eluted by higher salt concentrations. The fractions of interest were analyzed, and proteins were identified by LC-ESI-MS/MS. By use of this method, not only candidates for therapeutic concentrates, but also some potentially harmful components were identified. This strategy was very helpful for further process optimization, fast identification of target proteins with relatively low abundance, and for the design of subsequent steps in their removal or purification.
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Affiliation(s)
- Spomenka Kovac
- J.J. Strossmayer University of Osijek, Department of Chemistry, HR-31000 Osijek, Croatia
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25
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Sandeman SR, Howell CA, Mikhalovsky SV, Phillips GJ, Lloyd AW, Davies JG, Tennison SR, Rawlinson AP, Kozynchenko OP. Inflammatory cytokine removal by an activated carbon device in a flowing system. Biomaterials 2008; 29:1638-44. [DOI: 10.1016/j.biomaterials.2007.12.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2007] [Accepted: 12/05/2007] [Indexed: 11/29/2022]
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26
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Rezania S, Ahn DG, Kang KA. Cost Effective Metal Affinity Chromatography for Protein C Specific, Mini-Antibody Purification. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2006; 578:49-54. [PMID: 16927669 DOI: 10.1007/0-387-29540-2_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Samin Rezania
- Department of Chemical Engineering, University of Louisville, KY 40292, USA
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