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Martín F, Carreño A, Mendoza R, Caruana P, Rodríguez F, Bravo M, Benito A, Ferrer-Miralles N, Céspedes MV, Corchero JL. All-in-one biofabrication and loading of recombinant vaults in human cells. Biofabrication 2022; 14. [PMID: 35203066 DOI: 10.1088/1758-5090/ac584d] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 02/24/2022] [Indexed: 11/12/2022]
Abstract
One of the most promising approaches in the drug delivery field is the use of naturally occurring self-assembling protein nanoparticles, such as virus-like particles, bacterial microcompartments or vault ribonucleoprotein particles as drug delivery systems (DDS). Among them, eukaryotic vaults show a promising future due to their structural features, in vitro stability and non-immunogenicity. Recombinant vaults are routinely produced in insect cells and purified through several ultracentrifugations, both tedious and time-consuming processes. As an alternative, this work proposes a new approach and protocols for the production of recombinant vaults in human cells by transient gene expression of a His-tagged version of the Major Vault Protein (MVP-H6), the development of new affinity-based purification processes for such recombinant vaults, and the all-in-one biofabrication and encapsulation of a cargo recombinant protein within such vaults by their co-expression in human cells. Protocols proposed here allow the easy and straightforward biofabrication and purification of engineered vaults loaded with virtually any INT-tagged cargo protein, in very short times, paving the way to faster and easier engineering and production of better and more efficient DDS.
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Affiliation(s)
- Fernando Martín
- Universitat Autonoma de Barcelona, Institut de Biotecnologia i de Biomedicina, Campus Universitari Bellaterra, Bellaterra, Bellaterra, Catalunya, 08193, SPAIN
| | - Aida Carreño
- Universitat Autonoma de Barcelona, Institut de Biotecnologia i de Biomedicina, Campus Universitari Bellaterra, Bellaterra, Bellaterra, Catalunya, 08193, SPAIN
| | - Rosa Mendoza
- CIBER-BBN, Institut de Biotecnologia i de Biomedicina, Campus Universitari Bellaterra, Bellaterra, Bellaterra, 08193, SPAIN
| | - Pablo Caruana
- Hospital de la Santa Creu i Sant Pau, Sant Pau Biomedical Research Institute (IIB Sant Pau) Carrer Sant Quintí, 77-79, Barcelona, Catalunya, 08041, SPAIN
| | - Francisco Rodríguez
- Hospital de la Santa Creu i Sant Pau, Sant Pau Biomedical Research Institute (IIB Sant Pau) Carrer Sant Quintí, 77-79 08041. Barcelona, Spain, Barcelona, Catalunya, 08041, SPAIN
| | - Marlon Bravo
- Universitat de Girona, Laboratori Enginyeria Proteines, Dept biologia, Universitat de Girona, Girona, Catalunya, 17003, SPAIN
| | - Antoni Benito
- Universitat de Girona, Facultat de Ciències, Universitat de Girona, Campus de Montilivi, Carrer Maria Aurèlia Capmany, 40,, Girona, Catalunya, 17003, SPAIN
| | - Neus Ferrer-Miralles
- Universitat Autonoma de Barcelona, Institut de Biotecnologia i de Biomedicina, Campus Universitari Bellaterra, Bellaterra, Bellaterra, Catalunya, 08193, SPAIN
| | - Mª Virtudes Céspedes
- Hospital de la Santa Creu i Sant Pau, Sant Pau Biomedical Research Institute (IIB Sant Pau) Carrer Sant Quintí, 77-79, Barcelona, Catalunya, 08041, SPAIN
| | - Jose Luis Corchero
- CIBER-BBN, Institut de Biotecnologia i de Biomedicina, Campus Universitari Bellaterra, Bellaterra, 08193, SPAIN
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Paul T, Chatterjee S, Bandyopadhyay A, Chattopadhyay D, Basu S, Sarkar K. A Simple One Pot Purification of Bacterial Amylase From Fermented Broth Based on Affinity Toward Starch-Functionalized Magnetic Nanoparticle. Prep Biochem Biotechnol 2014; 45:501-14. [DOI: 10.1080/10826068.2014.923454] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Wang J, Morabito K, Tang JX, Tripathi A. Microfluidic platform for isolating nucleic acid targets using sequence specific hybridization. BIOMICROFLUIDICS 2013; 7:44107. [PMID: 24404041 PMCID: PMC3745474 DOI: 10.1063/1.4816943] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2013] [Accepted: 07/16/2013] [Indexed: 05/06/2023]
Abstract
The separation of target nucleic acid sequences from biological samples has emerged as a significant process in today's diagnostics and detection strategies. In addition to the possible clinical applications, the fundamental understanding of target and sequence specific hybridization on surface modified magnetic beads is of high value. In this paper, we describe a novel microfluidic platform that utilizes a mobile magnetic field in static microfluidic channels, where single stranded DNA (ssDNA) molecules are isolated via nucleic acid hybridization. We first established efficient isolation of biotinylated capture probe (BP) using streptavidin-coated magnetic beads. Subsequently, we investigated the hybridization of target ssDNA with BP bound to beads and explained these hybridization kinetics using a dual-species kinetic model. The number of hybridized target ssDNA molecules was determined to be about 6.5 times less than that of BP on the bead surface, due to steric hindrance effects. The hybridization of target ssDNA with non-complementary BP bound to bead was also examined, and non-specific hybridization was found to be insignificant. Finally, we demonstrated highly efficient capture and isolation of target ssDNA in the presence of non-target ssDNA, where as low as 1% target ssDNA can be detected from mixture. The microfluidic method described in this paper is significantly relevant and is broadly applicable, especially towards point-of-care biological diagnostic platforms that require binding and separation of known target biomolecules, such as RNA, ssDNA, or protein.
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Affiliation(s)
- Jingjing Wang
- Center for Biomedical Engineering, School of Engineering and Division of Biology and Medicine, Brown University, Providence, Rhode Island 02912, USA
| | - Kenneth Morabito
- Center for Biomedical Engineering, School of Engineering and Division of Biology and Medicine, Brown University, Providence, Rhode Island 02912, USA
| | - Jay X Tang
- Department of Physics, Brown University, Providence, Rhode Island 02912, USA
| | - Anubhav Tripathi
- Center for Biomedical Engineering, School of Engineering and Division of Biology and Medicine, Brown University, Providence, Rhode Island 02912, USA
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Peter JF, Otto AM. Magnetic particles as powerful purification tool for high sensitive mass spectrometric screening procedures. Proteomics 2010; 10:628-33. [PMID: 20099258 DOI: 10.1002/pmic.200900535] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The effective isolation and purification of proteins from biological fluids is the most crucial step for a successful protein analysis when only minute amounts are available. While conventional purification methods such as dialysis, ultrafiltration or protein precipitation often lead to a marked loss of protein, SPE with small-sized particles is a powerful alternative. The implementation of particles with superparamagnetic cores facilitates the handling of those particles and allows the application of particles in the nanometer to low micrometer range. Due to the small diameters, magnetic particles are advantageous for increasing sensitivity when using subsequent MS analysis or gel electrophoresis. In the last years, different types of magnetic particles were developed for specific protein purification purposes followed by analysis or screening procedures using MS or SDS gel electrophoresis. In this review, the use of magnetic particles for different applications, such as, the extraction and analysis of DNA/RNA, peptides and proteins, is described.
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Mandal SM, Ghosh AK, Mandal M. Iron Oxide Nanoparticle Assisted Purification and Mass Spectrometry Based Proteolytic Mapping of Intact CD4+T Cells from Human Blood. Prep Biochem Biotechnol 2008; 39:20-31. [DOI: 10.1080/10826060802589510] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Abstract
We report the results of an optical assay to determine the degree of cell wall disruption in yeast. The results indicate that cell wall disruption with glass beads yields reproducible results that can be modelled with an integral measure of time to failure that implies a decreasing failure rate. It is shown that a standard protocol results in only 60% disruption, with a relatively large coefficient of variation. The data show that the yield of total RNA harvested is proportional to the degree of cellular disruption, and that there is no loss of RNA quality with > 90% disruption. The data also show that cell disruption of a synchronous culture varies with the cell cycle. We speculate that the decreasing failure rate is related to the cell cycle phase-dependent disruptability.
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Affiliation(s)
- Chris C Stowers
- Department of Chemical Engineering, Vanderbilt University, Nashville, TN 37232, USA
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Affiliation(s)
- Kalyani Mondal
- Chemistry Department, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
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Jungbauer A. Protein bioengineering. Biotechnol J 2006; 1:26-7. [PMID: 16892219 DOI: 10.1002/biot.200690007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Safarik I, Safarikova M. Magnetic techniques for the isolation and purification of proteins and peptides. BIOMAGNETIC RESEARCH AND TECHNOLOGY 2004; 2:7. [PMID: 15566570 PMCID: PMC544596 DOI: 10.1186/1477-044x-2-7] [Citation(s) in RCA: 286] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2004] [Accepted: 11/26/2004] [Indexed: 11/29/2022]
Abstract
Isolation and separation of specific molecules is used in almost all areas of biosciences and biotechnology. Diverse procedures can be used to achieve this goal. Recently, increased attention has been paid to the development and application of magnetic separation techniques, which employ small magnetic particles. The purpose of this review paper is to summarize various methodologies, strategies and materials which can be used for the isolation and purification of target proteins and peptides with the help of magnetic field. An extensive list of realised purification procedures documents the efficiency of magnetic separation techniques.
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Affiliation(s)
- Ivo Safarik
- Laboratory of Biochemistry and Microbiology, Institute of Landscape Ecology, Academy of Sciences, Na Sadkach 7, 370 05 Ceske Budejovice, Czech Republic
- Department of General Biology, University of South Bohemia, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
| | - Mirka Safarikova
- Laboratory of Biochemistry and Microbiology, Institute of Landscape Ecology, Academy of Sciences, Na Sadkach 7, 370 05 Ceske Budejovice, Czech Republic
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Arvidsson P, Plieva FM, Lozinsky VI, Galaev IY, Mattiasson B. Direct chromatographic capture of enzyme from crude homogenate using immobilized metal affinity chromatography on a continuous supermacroporous adsorbent. J Chromatogr A 2003; 986:275-90. [PMID: 12597634 DOI: 10.1016/s0021-9673(02)01871-x] [Citation(s) in RCA: 227] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A continuous supermacroporous matrix has been developed allowing direct capture of enzyme from non-clarified crude cell homogenate at high flow-rates. The continuous supermacroporous matrix has been produced by radical co-polymerization of acrylamide, allyl glycidyl ether and N,N'-methylene-bis(acrylamide) which proceeds in aqueous solution of monomers frozen inside a column (cryo-polymerization). After thawing, the column contains a continuous matrix having interconnected pores of 10-100 microm size. Iminodiacetic acid covalently coupled to the cryogel is a rendering possibility for immobilized metal affinity chromatographic purification of recombinant His-tagged lactate dehydrogenase, (His)6-LDH, originating from thermophilic bacterium Bacillus stearothermophilus, but expressed in Escherichia coli. The large pore size of the adsorbent makes it possible to process particulate-containing material without blocking the column. No preliminary filtration or centrifugation is needed before application of crude extract on the supermacroporous column. A total of 210 ml crude homogenate, 75 ml of it non-clarified, was processed on a single 5.0 ml supermacroporous column at flow speeds up to 12.5 ml/min without noticeable impairment of the column properties. Mechanically the cryogel adsorbent is very stable. The continuous matrix could easily be removed from the column, dried at 70 degrees C and kept in a dry state. After rehydration and reinsertion of the matrix into an empty column, (His)6-LDH was purified as efficiently as on the newly prepared column. The procedure of manufacturing the supermacroporous continuous cryogel is technically simple. Starting materials and initiators are cheap and available and are simply mixed and frozen under specified conditions. Altogether these qualities reveal that the supermacroporous continuous cryogels is a very interesting alternative to existing methods of protein purification from particulate-containing crude extracts.
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Affiliation(s)
- Pär Arvidsson
- Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, P.O. Box 124, S-22100 Lund, Sweden
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Einhauer A, Jungbauer A. The FLAG peptide, a versatile fusion tag for the purification of recombinant proteins. JOURNAL OF BIOCHEMICAL AND BIOPHYSICAL METHODS 2001; 49:455-65. [PMID: 11694294 DOI: 10.1016/s0165-022x(01)00213-5] [Citation(s) in RCA: 295] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
A fusion tag, called FLAG and consisting of eight amino acids (AspTyrLysAspAspAspAspLys) including an enterokinase-cleavage site, was specifically designed for immunoaffinity chromatography. It allows elution under non-denaturing conditions [Bio/Technology, 6 (1988) 1204]. Several antibodies against this peptide have been developed. One antibody, denoted as M1, binds the peptide in the presence of bivalent metal cations, preferably Ca(+). Elution is effected by chelating agents. Another strategy is competitive elution with excess of free FLAG peptide. Antibodies M2 and M5 are applied in this procedure. Examples demonstrating the versatility, practicability and limitations of this technology are given.
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Affiliation(s)
- A Einhauer
- Institute for Applied Microbiology, University of Agriculture and Forestry, Muthgasse 18, 1190 Vienna, Austria.
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Schuster M, Einhauer A, Wasserbauer E, Süssenbacher F, Ortner C, Paumann M, Werner G, Jungbauer A. Protein expression in yeast; comparison of two expression strategies regarding protein maturation. J Biotechnol 2000; 84:237-48. [PMID: 11164265 DOI: 10.1016/s0168-1656(00)00355-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The driving force for the modification of existing, or the development of new, protein expression systems lies in the identification of a tremendous number of potential novel drug targets through recent genomics approaches. Saccharomyces cerevisiae as a host for recombinant protein expression, offers many advantages, as its biosynthetic pathways resemble higher eukaryotic cells in many aspects. Two yeast vectors were compared to evaluate the versatility of this organism for expression of recombinant proteins. One expression vector enables the secretion of the recombinant protein into the culture medium through fusion with the leader sequence of the mating-type pheromone alpha; the other directs the expression product into the cytoplasm of the yeast cell through fusion with ubiquitin. To facilitate immunological detection and purification, proteins were expressed as fusions to an octapeptide, the so-called Flag-tag, which is recognised by a monoclonal antibody in the presence of Ca2+. We chose 20 functionally different cDNAs to compare the efficiency of both expression systems. All cDNAs could be expressed at the correct size but at varying yields and purity. Both expression systems differed greatly in the degree of glycosylation and other, not further analysed, post-translational modifications. Secretion of all model proteins into the cell culture supernatant could be accomplished if membrane domains or signal sequences were absent, but many proteins were heavily glycosylated as demonstrated by lectin mapping or enzymatical deglycosylation. Some proteins, however, were expressed as homogenous products, and could be easily purified for further functional studies. Further investigations on the expression biology of yeast are required, in order to optimise the conditions of fermentation which may finally lead to more homogeneous expression products.
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Affiliation(s)
- M Schuster
- Novartis Forschungsinstitut, Brunnerstrasse 59, 1235 Vienna, Austria
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