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Muronetz VI, Pozdyshev DV, Semenyuk PI. Polyelectrolytes for Enzyme Immobilization and the Regulation of Their Properties. Polymers (Basel) 2022; 14:polym14194204. [PMID: 36236151 PMCID: PMC9571273 DOI: 10.3390/polym14194204] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 09/30/2022] [Accepted: 10/05/2022] [Indexed: 11/16/2022] Open
Abstract
In this review, we considered aspects related to the application of polyelectrolytes, primarily synthetic polyanions and polycations, to immobilize enzymes and regulate their properties. We mainly focused on the description of works in which polyelectrolytes were used to create complex and unusual systems (self-regulated enzyme-polyelectrolyte complexes, artificial chaperones, polyelectrolyte brushes, layer-by-layer immobilization and others). These works represent the field of "smart polymers", whilst the trivial use of charged polymers as carriers for adsorption or covalent immobilization of proteins is beyond the scope of this short review. In addition, we have included a section on the molecular modeling of interactions between proteins and polyelectrolytes, as modeling the binding of proteins with a strictly defined, and already known, spatial structure, to disordered polymeric molecules has its own unique characteristics.
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Affiliation(s)
- Vladimir I. Muronetz
- Belozersky Research Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Leninskie Gory 1, Bld 40, 119992 Moscow, Russia
- Butlerov Chemical Institute, Kazan Federal University, Kremlevskaya 18, 420008 Kazan, Russia
- Correspondence: ; Tel.: +7-(495)939-14-56
| | - Denis V. Pozdyshev
- Belozersky Research Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Leninskie Gory 1, Bld 40, 119992 Moscow, Russia
| | - Pavel I. Semenyuk
- Belozersky Research Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Leninskie Gory 1, Bld 40, 119992 Moscow, Russia
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Muronetz VI, Kudryavtseva SS, Leisi EV, Kurochkina LP, Barinova KV, Schmalhausen EV. Regulation by Different Types of Chaperones of Amyloid Transformation of Proteins Involved in the Development of Neurodegenerative Diseases. Int J Mol Sci 2022; 23:ijms23052747. [PMID: 35269889 PMCID: PMC8910861 DOI: 10.3390/ijms23052747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/21/2022] [Accepted: 02/28/2022] [Indexed: 02/06/2023] Open
Abstract
The review highlights various aspects of the influence of chaperones on amyloid proteins associated with the development of neurodegenerative diseases and includes studies conducted in our laboratory. Different sections of the article are devoted to the role of chaperones in the pathological transformation of alpha-synuclein and the prion protein. Information about the interaction of the chaperonins GroE and TRiC as well as polymer-based artificial chaperones with amyloidogenic proteins is summarized. Particular attention is paid to the effect of blocking chaperones by misfolded and amyloidogenic proteins. It was noted that the accumulation of functionally inactive chaperones blocked by misfolded proteins might cause the formation of amyloid aggregates and prevent the disassembly of fibrillar structures. Moreover, the blocking of chaperones by various forms of amyloid proteins might lead to pathological changes in the vital activity of cells due to the impaired folding of newly synthesized proteins and their subsequent processing. The final section of the article discusses both the little data on the role of gut microbiota in the propagation of synucleinopathies and prion diseases and the possible involvement of the bacterial chaperone GroE in these processes.
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Affiliation(s)
- Vladimir I. Muronetz
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119991 Moscow, Russia;
- Correspondence:
| | - Sofia S. Kudryavtseva
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119991 Moscow, Russia;
- Faculty of Biology, Lomonosov Moscow State University, 119991 Moscow, Russia;
| | - Evgeniia V. Leisi
- Faculty of Biology, Lomonosov Moscow State University, 119991 Moscow, Russia;
| | - Lidia P. Kurochkina
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
| | - Kseniya V. Barinova
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
| | - Elena V. Schmalhausen
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
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Kinoshita K, Takami T, Mori Y, Uchida Y, Murakami Y. RAFT-based synthesis and the gelation property of telechelic polymers that can immobilize biomacromolecules. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/pola.28504] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Keita Kinoshita
- Department of Organic and Polymer Materials Chemistry, Faculty of Engineering; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
| | - Taku Takami
- Department of Organic and Polymer Materials Chemistry, Faculty of Engineering; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
| | - Yuta Mori
- Department of Organic and Polymer Materials Chemistry, Faculty of Engineering; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
| | - Yusuke Uchida
- Department of Organic and Polymer Materials Chemistry, Faculty of Engineering; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
| | - Yoshihiko Murakami
- Department of Organic and Polymer Materials Chemistry, Faculty of Engineering; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
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Semenyuk PI, Muronetz VI, Haertlé T, Izumrudov VA. Effect of poly(phosphate) anions on glyceraldehyde-3-phosphate dehydrogenase structure and thermal aggregation: comparison with influence of poly(sulfoanions). Biochim Biophys Acta Gen Subj 2013; 1830:4800-5. [PMID: 23811344 DOI: 10.1016/j.bbagen.2013.06.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Revised: 06/09/2013] [Accepted: 06/17/2013] [Indexed: 11/26/2022]
Abstract
BACKGROUND It is well documented that poly(sulfate) and poly(sulfonate) anions suppress protein thermal aggregation much more efficiently than poly(carboxylic) anions, but as a rule, they denature protein molecules. In this work, a polymer of different nature, i.e. poly(phosphate) anion (PP) was used to elucidate the influence of phosphate groups on stability and thermal aggregation of the model enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH). METHODS Isothermal titration calorimetry and differential scanning calorimetry were used for studying the protein-polyanion interactions and the influence of bound polyanions on the protein structure. The enzymatic activity of GAPDH and size of the complexes were measured. The aggregation level was determined from the turbidity. RESULTS Highly polymerized PP chains were able to suppress the aggregation completely, but at significantly higher concentrations as compared with poly(styrenesulfonate) (PSS) or dextran sulfate chains of the same degree of polymerization. The effect of PP on the enzyme structure and activity was much gentler as opposed to the binding of dextran sulfate or, especially, PSS that denatured GAPDH molecules with the highest efficacy caused by short PSS chains. These findings agreed well with the enhanced affinity of polysulfoanions to GAPDH. CONCLUSIONS The revealed trends might help to illuminate the mechanism of control of proteins functionalities by insertion of charged groups of different nature through posttranslational modifications. GENERAL SIGNIFICANCE Practical implementation of the results could be the use of PP chains as promising tools to suppress the proteins aggregation without noticeable loss in the enzymatic activity.
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Affiliation(s)
- Pavel I Semenyuk
- Belozersky Institute of Physico-Chemical Biology, Moscow, Russia.
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Sheng S, Kong F. Separation of antigens and antibodies by immunoaffinity chromatography. PHARMACEUTICAL BIOLOGY 2012; 50:1038-1044. [PMID: 22480305 DOI: 10.3109/13880209.2011.653493] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
CONTEXT Affinity chromatography is an efficient antibody, antigen and protein separation method based on the interaction between specific immobilized ligands and target antibody, antigen, and so on. Populations of available ligands can be used to separate antibodies or their Fab fragments. Similarly, antigens can be isolated by immunoaffinity chromatography (IAC) on immobilized antibodies of low affinity. OBJECTIVE This review describes the advantages, the applications, as well as the drawbacks, of IAC in the separation and purification of antibodies and antigens. METHODS The present review discussed all types of purification and isolation of antibodies and antigens by IAC, including purification of antibodies using immobilized and synthetic mimic proteins A, G and L; isolation of Fab fragments of antibodies; separation of antibodies against different antigen forms; isolation of antigens by immobilized antibodies and so on. These methods come from over 60 references compiled from all major databases. RESULTS Purification of antigens with antibodies should choose low-affinity antibodies to avoid denaturation of most proteins. Concern for cost and safety, prompted research activities focused on novel synthetic ligands with improved properties such as lower cost, avoidance of the risk of contamination associated with natural ligands of human or animal origin to isolate antibodies and antigens. CONCLUSION It is anticipated that the improvements of IAC will have impact not only on large-scale production of antibodies but also on the generation of new affinity-based methods for the increasing number of proteins and antibody derivatives available by protein engineering and the proteomics revolution.
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Affiliation(s)
- Shuai Sheng
- Department of Hematology, Liaoning Medical University, Jinzhou, Liaoning, People's Republic of China
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Sedlák E, Fedunová D, Veselá V, Sedláková D, Antalík M. Polyanion Hydrophobicity and Protein Basicity Affect Protein Stability in Protein−Polyanion Complexes. Biomacromolecules 2009; 10:2533-8. [DOI: 10.1021/bm900480t] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Erik Sedlák
- Department of Biochemistry, Faculty of Science, P. J. Šafárik University, Moyzesova 11, 040 01 Košice, Slovakia, and Department of Biophysics, Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, Kosice, Slovakia
| | - Diana Fedunová
- Department of Biochemistry, Faculty of Science, P. J. Šafárik University, Moyzesova 11, 040 01 Košice, Slovakia, and Department of Biophysics, Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, Kosice, Slovakia
| | - Věra Veselá
- Department of Biochemistry, Faculty of Science, P. J. Šafárik University, Moyzesova 11, 040 01 Košice, Slovakia, and Department of Biophysics, Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, Kosice, Slovakia
| | - Dagmar Sedláková
- Department of Biochemistry, Faculty of Science, P. J. Šafárik University, Moyzesova 11, 040 01 Košice, Slovakia, and Department of Biophysics, Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, Kosice, Slovakia
| | - Marián Antalík
- Department of Biochemistry, Faculty of Science, P. J. Šafárik University, Moyzesova 11, 040 01 Košice, Slovakia, and Department of Biophysics, Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, Kosice, Slovakia
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Boronate-containing polymers form affinity complexes with mucin and enable tight and reversible occlusion of mucosal lumen by poly(vinyl alcohol) gel. Int J Pharm 2008; 358:36-43. [PMID: 18394833 DOI: 10.1016/j.ijpharm.2008.02.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2007] [Revised: 02/08/2008] [Accepted: 02/11/2008] [Indexed: 11/23/2022]
Abstract
Copolymers of N-acryloyl-m-aminophenylboronic acid (NAAPBA) with N,N-dimethylacrylamide (DMAA) formed insoluble interpolymer complexes with mucin from porcine stomach at pH 9.0. The complex formation based on boronate-sugar interactions took place between the similarly charged macromolecules and resulted in coacervate particles formation, which depended both on pH and ionic strength of the solution. The coacervation rate displayed a maximum at the intermediate DMAA-NAAPBA copolymer: mucin weight ratio, that is a pattern typical of interpolymer complex formation. The effective hydrodynamic particle diameter of the coacervates monotonously grew from 155+/-20 nm up to 730+/-120 nm in 2 days in 0.1M sodium bicarbonate buffer solution, pH 9.0. Electrophoretic mobility of the resultant nanoparticles was intermediate between those of individual polymers, whereas the particles zeta-potential was -7.5+/-0.4 mV in the above buffer solution. Pre-treatment of the inner mucosal epithelium of excised male pig urethras with 5% (w/v) solutions of acrylamide-NAAPBA or DMAA-NAAPBA copolymers at pH 8.8 allowed for tight occlusion of the lumen by poly(vinyl alcohol)-borax gel injected via a two-way catheter. Leakage of 0.15M NaCl solution through the thus occluded organs could be prevented, while the leakage through the organs occluded by the gel without the pre-treatment was unavoidable. The gel plug could be quickly dissolved on demand after injection of 5% (w/v) aqueous fructose solution into the lumen. The described technique may be useful for temporal occlusion of mucosal lumens in living organisms. In contrast to the conventional mucoadhesive polymers like polyacrylic acid or chitosan, the boronate-containing copolymers display their mucoadhesivity at weakly alkaline pH of 8-9 and physiological ionic strength.
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Shalova IN, Naletova IN, Saso L, Muronetz VI, Izumrudov VA. Interaction of Polyelectrolytes with Proteins, 3. Macromol Biosci 2007; 7:929-39. [PMID: 17582803 DOI: 10.1002/mabi.200700052] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The ability of quaternized polyamines (poly-N-alkyl-4-vinylpyridinium bromides possessing a number, m, of methylene groups in the N-alkyl substituent or a degree of alkylation, beta, and n,n-ionene bromides) to suppress the thermoaggregation of glyceraldehyde-3-phosphate dehydrogenase increased in the order m = 1 < 3 < 5, beta = 95 < 85 < 70 << 45 < 35 < 20 and n = 3 < 6 < 10, which agrees well with the increase, in the same order, in the hydrophobicity of the chains. Complexing suppressed thermoaggregation, but not thermodenaturation of the enzyme, which was even encouraged by the polycations and occurred at room temperature when the most efficient suppressor (with beta = 20) was used. The adverse effect was reduced by the addition of sodium chloride which destroyed the complex and resulted in a noticeable reactivation.
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Affiliation(s)
- Irina N Shalova
- School of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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Cavalieri F, Chiessi E, Paradossi G. Chaperone-like activity of nanoparticles of hydrophobized poly(vinyl alcohol). SOFT MATTER 2007; 3:718-724. [PMID: 32900134 DOI: 10.1039/b618779j] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Amphiphilic poly(vinyl alcohol) randomly grafted with hydrophobic methacryloyl groups can form micelle-like particles by intra and interpolymeric association. Self-aggregation behaviour of the hydrophobically-modified polymer was investigated. The hydrophobized nanoparticles assist carbonic anhydrase B (CAB) refolding in a manner similar to the mechanism of molecular chaperones, namely by catching and releasing the protein. Irreversible CAB thermal denaturation is prevented by nanoparticle complexation and recovery of almost 100% of enzymatic activity is triggered by the ability of β-cyclodextrin to interact with the hydrophobic moieties. Structural and functional properties of micelle-like particles were discussed and interpreted in view of the stability and architecture of hydrophobic nanodomains.
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Affiliation(s)
- Francesca Cavalieri
- Dipartimento di Scienze e Tecnologie Chimiche, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy.
| | - Ester Chiessi
- Dipartimento di Scienze e Tecnologie Chimiche, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy.
| | - Gaio Paradossi
- Dipartimento di Scienze e Tecnologie Chimiche, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy.
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Hianik T, Poniková S, Bágel'ová J, Antalík M. Specific volume and compressibility of human serum albumin–polyanion complexes. Bioorg Med Chem Lett 2006; 16:274-9. [PMID: 16246549 DOI: 10.1016/j.bmcl.2005.10.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2005] [Revised: 10/03/2005] [Accepted: 10/05/2005] [Indexed: 11/20/2022]
Abstract
The ultrasound velocimetry, densitometry, and differential scanning calorimetry have been used to study the formation of the complexes between human serum albumin (HSA) and polyanions heparin (HEP) and/or dextran sulfate (DS). The values of the ultrasound velocity and specific volume allowed us to determine the specific adiabatic compressibility, phi(K)/beta(0), which reflects the degree of volume compressibility of the complexes. We showed that in the presence of HEP and DS the adiabatic compressibility of HSA decreases with increasing concentration of polyanions. HEP more strongly interacts with HSA than DS. pH of electrolyte in the range 4.7-8.5 weakly affects the adiabatic compressibility. Changes of compressibility of HSA can be caused by increase of the hydration due to the formation of the HSA-polyanion complexes and due to partial unfolding of HSA. The HSA-polyanion interaction resulted in decrease of phase transition temperature of the protein. This evidences about protein destabilization in the presence of polyanions.
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Affiliation(s)
- Tibor Hianik
- Faculty of Mathematics, Physics and Computer Sciences, Comenius University, 842 48 Bratislava, Slovakia.
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Fedunová D, Antalík M. Prevention of thermal induced aggregation of cytochromec at isoelectric pH values by polyanions. Biotechnol Bioeng 2006; 93:485-93. [PMID: 16273554 DOI: 10.1002/bit.20733] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Differential scanning calorimetry, viscometry, optical and CD spectroscopy were used to characterize the influence of two polyanions, poly(vinylsulfate) (PVS), and poly(4-styrene-sulfonate) (PSS) on thermal transition reversibility of ferricytochrome c at or near isoelectric pH. In these conditions, both PVS and PSS enhance the thermal transition reversibility of cytochrome c by preventing the aggregation of denatured protein molecules. Data indicate that the polyanions are in complex with cytochrome c that is stabilized by synergistic effect of Coulombic and non-Coulombic interactions.
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Affiliation(s)
- Diana Fedunová
- Department of Biophysics, Institute of Experimental Physics, Slovak Academy of Sciences, Kosice
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Shalova IN, Asryants RA, Sholukh MV, Saso L, Kurganov BI, Muronetz VI, Izumrudov VA. Interaction of Polyanions with Basic Proteins, 2. Macromol Biosci 2005; 5:1184-92. [PMID: 16307432 DOI: 10.1002/mabi.200500142] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The ability of synthetic polyanions to suppress thermo-aggregation of the oligomeric enzymes (glyceraldehyde-3-phosphate dehydrogenase, lactate dehydrogenase, and aspartate aminotransferase) has been established. The ability of the polyanions to reduce the thermo-aggregation increased in the order poly(methacrylic acid) < poly(acrylic acid) < sodium poly(styrene sulphonate), which agreed well with the increase, in the same order, of the charge density of the chains. The lengthening of the chains, as well as the rise in their relative content, resulted in an increase of the ability to reduce thermo-aggregation, mentioned above. Complete prevention of the enzyme aggregation was achieved when highly charged polyanions of a relatively high degree of polymerization were used in a concentration sufficient to solubilize the protein. Complexing with the polyanions prevented thermo-aggregation of the enzymes, but not their thermo-denaturation. The adverse effect of the complexing polyanions on the catalytic activity was reduced by the addition of a synthetic polycation, which resulted in a significant reactivation (up to 40%) of the enzyme. The possibility of preventing the thermo-aggregation of enzyme molecules and then partly restoring the enzyme activity, appears to be of particular interest when studying the aggregation mechanism of proteins that are prone to form the amyloid structures responsible for the development of neurodegenerative diseases like Alzheimer's disease, bovine spongiform encephalopathy and Huntington disease. This finding can also be considered as an important step in the creation of artificial chaperones.
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Affiliation(s)
- Irina N Shalova
- Belozersky Institute of Physico-Chemical Biology, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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Nomura Y, Sasaki Y, Takagi M, Narita T, Aoyama Y, Akiyoshi K. Thermoresponsive Controlled Association of Protein with a Dynamic Nanogel of Hydrophobized Polysaccharide and Cyclodextrin: Heat Shock Protein-Like Activity of Artificial Molecular Chaperone. Biomacromolecules 2004; 6:447-52. [PMID: 15638551 DOI: 10.1021/bm049501t] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Dynamic CHP-CD nanogels, which consisted of a self-assembly of cholesteryl-group-bearing pullulan (CHP) and beta-cyclodextrin (CD), were characterized by SEC and SEC-MALS methods. The nanogels prevented the thermal aggregation of carbonic anhydrase B (CAB) by selective trapping of the heat-denatured protein. After the complex between the CHP-CD nanogels and CAB was cooled, the enzyme activity of CAB spontaneously recovered upon release from the complex. The dynamic nanogels self-regulated an association of heat denatured protein and dissociation of native protein depending on the concentration of CD. The thermal stability of CAB was improved by thermoresponsive controlled association between the proteins and the artificial molecular chaperone.
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Affiliation(s)
- Yuta Nomura
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Yoshida-Hommachi, Sakyo-ku, Kyoto 606-8501, Japan
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Muronetz VI, Korpela T. Isolation of antigens and antibodies by affinity chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2003; 790:53-66. [PMID: 12767320 DOI: 10.1016/s1570-0232(03)00131-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Antibody-antigen binding constants are commonly strong enough for an effective affinity purification of antibodies (by immobilized antigens) or antigens (by immobilized antibodies) to work out a straightforward purification method. A drawback is that antibodies are large protein molecules and subject to denaturation under conditions required for the elution from the complex. Structures of antigens can vary but usually antigens are also equally subject to similar problems. The lability of the components can sometimes make the procedure sophisticated, but usually in all cases it is possible to find a satisfactory approach. In certain cases, specific interactions of the Fc part of antibodies are more facile to exploit for their purification.
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Affiliation(s)
- Vladimir I Muronetz
- A.N. Belozersky Institute of Physico-Chemical Biology, Moscow State University, 119899, Moscow, Russian Federation.
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Mechanism of simultaneously refolding and purification of proteins by hydrophobic interaction chromatographic unit and applications. ACTA ACUST UNITED AC 2002. [DOI: 10.1007/bf03182538] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Muronetz VI, Sholukh M, Korpela T. Use of protein-protein interactions in affinity chromatography. JOURNAL OF BIOCHEMICAL AND BIOPHYSICAL METHODS 2001; 49:29-47. [PMID: 11694271 DOI: 10.1016/s0165-022x(01)00187-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Biospecific recognition between proteins is a phenomenon that can be exploited for designing affinity-chromatographic purification systems for proteins. In principle, the approach is straightforward, and there are usually many alternative ways, since a protein can be always found which binds specifically enough to the desired protein. Routine immunoaffinity chromatography utilizes the recognition of antigenic epitopes by antibodies. However, forces involved in protein-protein interactions as well the forces keeping the three-dimensional structures of proteins intact are complicated, and proteins are easily unfolded by various factors with unpredictable results. Because of this and because of the generally high association strength between proteins, the correct adjustment of binding forces between an immobilized protein and the protein to be purified as well as the release of bound proteins in biologically active form from affinity complexes are the main problem. Affinity systems involving interactions like enzyme-enzyme, subunit-oligomer, protein-antibody, protein-chaperone and the specific features involved in each case are presented as examples. This article also aims to sketch prospects for further development of the use of protein-protein interactions for the purification of proteins.
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Affiliation(s)
- V I Muronetz
- A.N. Belozersky Institute of Physico-Chemical Biology, Moscow State University, Moscow 119899, Russian Federation.
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