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Antiochia R, Bollella P, Favero G, Mazzei F. Nanotechnology-Based Surface Plasmon Resonance Affinity Biosensors for In Vitro Diagnostics. Int J Anal Chem 2016; 2016:2981931. [PMID: 27594884 PMCID: PMC4995327 DOI: 10.1155/2016/2981931] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 07/05/2016] [Accepted: 07/10/2016] [Indexed: 01/17/2023] Open
Abstract
In the last decades, in vitro diagnostic devices (IVDDs) became a very important tool in medicine for an early and correct diagnosis, a proper screening of targeted population, and also assessing the efficiency of a specific therapy. In this review, the most recent developments regarding different configurations of surface plasmon resonance affinity biosensors modified by using several nanostructured materials for in vitro diagnostics are critically discussed. Both assembly and performances of the IVDDs tested in biological samples are reported and compared.
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Affiliation(s)
- Riccarda Antiochia
- Department of Chemistry and Drug Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Paolo Bollella
- Department of Chemistry and Drug Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Gabriele Favero
- Department of Chemistry and Drug Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Franco Mazzei
- Department of Chemistry and Drug Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
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Beutel O, Roder F, Birkholz O, Rickert C, Steinhoff HJ, Grzybek M, Coskun Ü, Piehler J. Two-Dimensional Trap for Ultrasensitive Quantification of Transient Protein Interactions. ACS NANO 2015; 9:9783-9791. [PMID: 26331529 DOI: 10.1021/acsnano.5b02696] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We present an ultrasensitive technique for quantitative protein-protein interaction analysis in a two-dimensional format based on phase-separated, micropatterned membranes. Interactions between proteins captured to lipid probes via an affinity tag trigger partitioning into the liquid-ordered phase, which is readily quantified by fluorescence imaging. Based on a calibration with well-defined low-affinity protein-protein interactions, equilibrium dissociation constants >1 mM were quantified. Direct capturing of proteins from mammalian cell lysates enabled us to detect homo- and heterodimerization of signal transducer and activator of transcription proteins. Using the epidermal growth factor receptor (EGFR) as a model system, quantification of low-affinity interactions between different receptor domains contributing to EGFR dimerization was achieved. By exploitation of specific features of the membrane-based assay, the regulation of EGFR dimerization by lipids was demonstrated.
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Affiliation(s)
- Oliver Beutel
- Department of Biology, University of Osnabrück , 49074 Osnabrück, Germany
| | - Friedrich Roder
- Department of Biology, University of Osnabrück , 49074 Osnabrück, Germany
| | - Oliver Birkholz
- Department of Biology, University of Osnabrück , 49074 Osnabrück, Germany
| | - Christian Rickert
- Department of Physics, University of Osnabrück , 49076 Osnabrück, Germany
| | | | - Michał Grzybek
- Paul Langerhans Institute Dresden of the Helmholtz Centre Munich at the University Clinic Carl Gustav Carus TU Dresden , 01307 Dresden, Germany
- German Center for Diabetes Research (DZD) , 85764 Neuherberg, Germany
| | - Ünal Coskun
- Paul Langerhans Institute Dresden of the Helmholtz Centre Munich at the University Clinic Carl Gustav Carus TU Dresden , 01307 Dresden, Germany
- German Center for Diabetes Research (DZD) , 85764 Neuherberg, Germany
| | - Jacob Piehler
- Department of Biology, University of Osnabrück , 49074 Osnabrück, Germany
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Determination of cathepsin G in endometrial tissue using a surface plasmon resonance imaging biosensor with tailored phosphonic inhibitor. Eur J Obstet Gynecol Reprod Biol 2014; 182:38-42. [DOI: 10.1016/j.ejogrb.2014.08.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Accepted: 08/21/2014] [Indexed: 11/23/2022]
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Alonso-Sarduy L, De Los Rios P, Benedetti F, Vobornik D, Dietler G, Kasas S, Longo G. Real-time monitoring of protein conformational changes using a nano-mechanical sensor. PLoS One 2014; 9:e103674. [PMID: 25077809 PMCID: PMC4117498 DOI: 10.1371/journal.pone.0103674] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Accepted: 07/01/2014] [Indexed: 11/24/2022] Open
Abstract
Proteins can switch between different conformations in response to stimuli, such as pH or temperature variations, or to the binding of ligands. Such plasticity and its kinetics can have a crucial functional role, and their characterization has taken center stage in protein research. As an example, Topoisomerases are particularly interesting enzymes capable of managing tangled and supercoiled double-stranded DNA, thus facilitating many physiological processes. In this work, we describe the use of a cantilever-based nanomotion sensor to characterize the dynamics of human topoisomerase II (Topo II) enzymes and their response to different kinds of ligands, such as ATP, which enhance the conformational dynamics. The sensitivity and time resolution of this sensor allow determining quantitatively the correlation between the ATP concentration and the rate of Topo II conformational changes. Furthermore, we show how to rationalize the experimental results in a comprehensive model that takes into account both the physics of the cantilever and the dynamics of the ATPase cycle of the enzyme, shedding light on the kinetics of the process. Finally, we study the effect of aclarubicin, an anticancer drug, demonstrating that it affects directly the Topo II molecule inhibiting its conformational changes. These results pave the way to a new way of studying the intrinsic dynamics of proteins and of protein complexes allowing new applications ranging from fundamental proteomics to drug discovery and development and possibly to clinical practice.
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Affiliation(s)
- Livan Alonso-Sarduy
- Laboratory of Physics of Living Matter, Institute of Physics of Biological Systems, School of Basic Sciences, École polytechnique fédérale de Lausanne, Lausanne, Switzerland
| | - Paolo De Los Rios
- Laboratory of Statistical Biophysics, Institute of Theoretical Physics, School of Basic Sciences, École polytechnique fédérale de Lausanne, Lausanne, Switzerland
| | - Fabrizio Benedetti
- Laboratory of Physics of Living Matter, Institute of Physics of Biological Systems, School of Basic Sciences, École polytechnique fédérale de Lausanne, Lausanne, Switzerland
| | - Dusan Vobornik
- Laboratory of Physics of Living Matter, Institute of Physics of Biological Systems, School of Basic Sciences, École polytechnique fédérale de Lausanne, Lausanne, Switzerland
| | - Giovanni Dietler
- Laboratory of Physics of Living Matter, Institute of Physics of Biological Systems, School of Basic Sciences, École polytechnique fédérale de Lausanne, Lausanne, Switzerland
| | - Sandor Kasas
- Laboratory of Physics of Living Matter, Institute of Physics of Biological Systems, School of Basic Sciences, École polytechnique fédérale de Lausanne, Lausanne, Switzerland
- Faculty of Biology and Medicine, Department of Fundamental Neurosciences, Lausanne University, Lausanne, Switzerland
| | - Giovanni Longo
- Laboratory of Physics of Living Matter, Institute of Physics of Biological Systems, School of Basic Sciences, École polytechnique fédérale de Lausanne, Lausanne, Switzerland
- Istituto Superiore di Sanità, Rome, Italy
- * E-mail:
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Chepelev N, Chepelev L, Alamgir M, Golshani A. Large-Scale Protein-Protein Interaction Detection Approaches: Past, Present and Future. BIOTECHNOL BIOTEC EQ 2014. [DOI: 10.1080/13102818.2008.10817505] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Laudanski P, Gorodkiewicz E, Ramotowska B, Charkiewicz R, Kuzmicki M, Szamatowicz J. Determination of cathepsins B, D and G concentration in eutopic proliferative endometrium of women with endometriosis by the surface plasmon resonance imaging (SPRI) technique. Eur J Obstet Gynecol Reprod Biol 2013; 169:80-3. [PMID: 23466190 DOI: 10.1016/j.ejogrb.2013.01.024] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2012] [Revised: 11/28/2012] [Accepted: 01/27/2013] [Indexed: 10/27/2022]
Abstract
OBJECTIVE To determine the concentrations of cathepsins B, D and G in proliferative eutopic endometrium of patients with and without endometriosis, by use of the surface plasmon resonance imaging (SPRI) technique. STUDY DESIGN A total of 55 patients were recruited in the study: 31 patients with endometriosis (stages I-IV) and 24 controls. Endometrial samples were obtained in the first phase of the menstrual cycle from regularly menstruating premenopausal women, prior to laparoscopy, by the use of aspiration biopsy. Endometriosis was appropriately classified according to the Revised American Fertility Society classification and confirmed by histopathology in every case. The SPRI technique was used to determine the concentration of cathepsins B, D and G. To compare the two groups for quantitative data, Mann-Whitney-Wilcoxon's test was used due to the non-normal distribution of the tested variables and normality of distribution was assessed using Shapiro-Wilk W test. RESULTS The concentration of the three examined cathepsins was higher in the proliferative eutopic endometrium of patients with endometriosis, especially in advanced stages, e.g. III and IV, when compared to healthy individuals. Corresponding median values were, for cathepsin B: [7.93 pmol/mg (min-max 2.82-15.71) vs 1.2 pmol/mg (min-max 0.7-15.49) p=0.0014], for cathepsin D: [1.86 pmol/mg (min-max 0.51-5.4) vs 1.03 pmol/mg (min-max 0.4-2.72) p=0.00041] and for cathepsin G: [0.6 pmol/mg (min-max 0.33-2.51) vs 0.3 pmol/mg (min-max 0.16-1.29) p=0.00051]. CONCLUSIONS Increased concentrations of cathepsins B, D and G in the proliferative eutopic endometrium may play a role in the implantation of endometrial tissue outside the uterine cavity.
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Affiliation(s)
- Piotr Laudanski
- Department of Perinatology, Medical University of Bialystok, ul. Marii Sklodowskiej-Curie 24a, Bialystok, Poland.
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Boltovets PM, Polischuk OM, Kovalenko OG, Snopok BA. A simple SPR-based method for the quantification of the effect of potential virus inhibitors. Analyst 2013; 138:480-6. [PMID: 23162808 DOI: 10.1039/c2an35972c] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here, we describe a highly sensitive method that allows for the correct quantification of inhibition effect with a higher degree of accuracy directly at the molecular level. The protocol involves two stages, namely serological virus titration in comparison with the same procedure for virus-effector mixture. Owing to the robustness of the analysis this assay can be performed on crude cellular and plant extracts, and therefore it may be suitable for the routine analysis of clinical samples, or in the field. The efficiency of the approach to the quantification of the inhibition effect of polysaccharide glucuronoxylomannan (GXM) on the infection efficiency of the tobacco mosaic virus (TMV) was investigated using advanced serological approaches based on label-free surface plasmon resonance technique. It was shown that GXM drastically decreases the efficiency of TMV infection by blocking up to 70% of the virus shell. The obtained results are in conformity with the method of indicator plant infection.
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Affiliation(s)
- Praskoviya M Boltovets
- V. Ye. Lashkaryov Institute of Semiconductor Physics NAS of Ukraine, Prospekt Nauki, 41, 03028 Kyiv, Ukraine.
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Gorodkiewicz E, Sieńczyk M, Regulska E, Grzywa R, Pietrusewicz E, Lesner A, Lukaszewski Z. Surface plasmon resonance imaging biosensor for cathepsin G based on a potent inhibitor: development and applications. Anal Biochem 2012; 423:218-23. [PMID: 22369897 DOI: 10.1016/j.ab.2012.01.033] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Revised: 01/23/2012] [Accepted: 01/30/2012] [Indexed: 11/27/2022]
Abstract
A specific surface plasmon resonance imaging (SPRI) array biosensor for the determination of the enzymatically active cathepsin G (CatG) has been developed. For this purpose, a specific interaction between an inhibitor immobilized onto a chip surface and CatG in an analyzed solution was used. The MARS-115 CatG peptidyl inhibitor containing the 1-aminoalkylphosphonate diaryl ester moiety at the C terminus and N-succinamide with a free carboxylic function was synthesized and covalently immobilized onto the gold chip surface via the thiol group (cysteamine). Atomic force microscopy was used for the observation of surface changes during the subsequent steps of chip manufacture. Optimal detection conditions were chosen. High specificity of synthesized inhibitor to CatG was proved. The precision, as well as the accuracy, was found to be well suited to enzyme determination. The sensor application for the determination of CatG in white blood cells and saliva was shown for potential diagnosis of leukemia and oral cavity diseases during the early stages of those pathological states.
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Affiliation(s)
- Ewa Gorodkiewicz
- Department of Electrochemistry, Institute of Chemistry, University of Bialystok, 15-443 Bialystok, Poland.
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9
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Facile fabrication of an interface for online coupling of microchip CE to surface plasmon resonance. Bioanalysis 2012; 4:373-9. [DOI: 10.4155/bio.12.4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Background: The aim was to develop a simple route to coupling microchip CE (MCE) to surface plasmon resonance (SPR). MCE is a microfluidic technology that utilizes microfabrication techniques to connect interacting fluid reservoirs. Its advantages include rapid analysis (typically seconds), easy integration of multiple analytical steps and parallel operation. SPR detects changes in refractive index within a short distance from the surface of a thin metal film as variations in light intensity reflected from the back of the film and, thus, does not require labeling. There is a great demand for developing hyphenated techniques like MCE–SPR that are fast, sensitive and inexpensive to analyze biological materials. Materials & Methods: The separation channel and flow cell exist as overlapping regions constructed during the microchip production and buffer solution was delivered mechanically. Such a design has successfully isolated the electrical field inherent in the MCE from the SPR detector. Consequently, the potential interference to the SPR signal (or modulation of the density of surface plasmons at the gold chip) is circumvented. Results: The limits of detection for bovine serum albumin and sodium fluorescein were determined to be 7.5 µM and 3.1 mM, respectively. Conclusion: The technique described, herein, has been successfully applied in the separation of two species. The method offers the advantages of a near zero connection dead volume, electrical shielding from the separation voltage and minimization of the mass transfer effect.
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Gorodkiewicz E, Ostrowska H, Sankiewicz A. SPR imaging biosensor for the 20S proteasome: sensor development and application to measurement of proteasomes in human blood plasma. Mikrochim Acta 2011; 175:177-184. [PMID: 21966027 PMCID: PMC3179842 DOI: 10.1007/s00604-011-0656-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2011] [Accepted: 07/01/2011] [Indexed: 01/05/2023]
Abstract
The 20S proteasome is a multicatalytic enzyme complex responsible for intracellular protein degradation in mammalian cells. Its antigen level or enzymatic activity in blood plasma are potentially useful markers for various malignant and nonmalignant diseases. We have developed a method for highly selective determination of the 20S proteasome using a Surface Plasmon Resonance Imaging (SPRI) technique. It is based on the highly selective interaction between the proteasome's catalytic β5 subunit and immobilized inhibitors (the synthetic peptide PSI and epoxomicin). Inhibitor concentration and pH were optimized. Analytical responses, linear ranges, accuracy, precision and interferences were investigated. Biosensors based on either PSI and epoxomicin were found to be suitable for quantitative determination of the proteasome, with a precision of ±10% for each, and recoveries of 102% and 113%, respectively, and with little interference by albumin, trypsin, chymotrypsin, cathepsin B and papain. The proteasome also was determined in plasma of healthy subjects and of patients suffering from acute leukemia. Both biosensors gave comparable results (2860 ng·mL-1 on average for control, and 42300 ng·mL-1 on average for leukemia patients).FigureThe synthetic peptide aldehyde Z-Ile-Glu(OBut)-Ala-Leu-H (PSI) and a microbial α',β' epoxyketone peptide epoxomicin was used to develop SPRI biosensor for the highly selective determination of the 20S proteasome concentration, and to evaluate the sensor applicability for the determination of 20S proteasome in human blood plasma.
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Affiliation(s)
- Ewa Gorodkiewicz
- Department of Electrochemistry, Institute of Chemistry, University of Bialystok, Al.J.Pilsudskiego11/4, PL-15-443 Bialystok, Poland
| | - Halina Ostrowska
- Department of Biology, Medical University of Bialystok, Kilinskiego 1, PL-15-089 Bialystok, Poland
| | - Anna Sankiewicz
- Department of Electrochemistry, Institute of Chemistry, University of Bialystok, Al.J.Pilsudskiego11/4, PL-15-443 Bialystok, Poland
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Gorodkiewicz E, Regulska E, Wojtulewski K. Development of an SPR imaging biosensor for determination of cathepsin G in saliva and white blood cells. Mikrochim Acta 2011; 173:407-413. [PMID: 21660086 PMCID: PMC3092066 DOI: 10.1007/s00604-011-0569-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2010] [Accepted: 02/08/2011] [Indexed: 12/05/2022]
Abstract
Cathepsin G (CatG) is an endopeptidase that is associated with the early immune response. The synthetic compound cathepsin G inhibitor I (CGI-I) was tested for its ability to inhibit the activity of CatG via a new surface plasmon resonance imaging assay. CGI-I was immobilized on the gold surface of an SPR sensor that was first modified with 1-octadecanethiol. A concentration of CGI-I equal to 4.0 μg·mL-1 and a pH of 8.0 were found to give the best results. The dynamic response of the sensor ranges from 0.25 to 1.5 ng·mL-1, and the detection limit is 0.12 ng·mL-1. The sensor was applied to detect CatG in human saliva and white blood cells.FigureThe synthetic compound cathepsin G inhibitor I (CGI-I) was tested for its ability to inhibit the activity of cathepsin G via a newly developed surface plasmon resonance imaging assay. The sensor was applied to detect cathepsin G in human saliva and white blood cells.
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Affiliation(s)
- Ewa Gorodkiewicz
- Department of Electrochemistry, Institute of Chemistry, University of Bialystok, Al.J.Pilsudskiego11/4, PL-15-443 Bialystok, Poland
| | - Elżbieta Regulska
- Department of General and Inorganic Chemistry, Institute of Chemistry, University of Bialystok, Hurtowa 1, PL-15-399 Bialystok, Poland
| | - Kazimierz Wojtulewski
- Department of Electrochemistry, Institute of Chemistry, University of Bialystok, Al.J.Pilsudskiego11/4, PL-15-443 Bialystok, Poland
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Wei C, Zhou H, Zhou J. Ultrasensitively sensing acephate using molecular imprinting techniques on a surface plasmon resonance sensor. Talanta 2010; 83:1422-7. [PMID: 21238731 DOI: 10.1016/j.talanta.2010.11.034] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2010] [Revised: 11/11/2010] [Accepted: 11/14/2010] [Indexed: 11/16/2022]
Abstract
An ultrathin molecularly imprinted polymer film was anchored on an Au surface for fabricating a surface plasmon resonance sensor sensitive to acephate by a surface-bound photo-radical initiator. The polymerization in the presence of acephate resulted in a molecular-imprinted matrix for the enhanced binding of acephate. Analysis of the SPR wavenumber changes in the presence of different concentrations of acephate gave a calibration curve that included the ultrasensitive detection of acephate by the imprinted sites in the composite, K(ass) for the association of acephate to the imprinted sites, 7.7×10(12) M(-1). The imprinted ultrathin film revealed impressive selectivity. The selectivity efficiencies for acephate and other structurally related analogues were 1.0 and 0.11-0.37, respectively. Based on a signal to noise ratio of 3, the detection limits were 1.14×10(-13) M for apple sample and 4.29×10(-14) M for cole sample. The method showed good recoveries and precision for the apple and cole samples spiked with acephate solution. This suggests that a combination of SPR sensing with MIP film is a promising alternative method for the detection of organophosphate compounds.
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Affiliation(s)
- Chuanping Wei
- College of Chemistry and Material Science, Shandong Agricultural University, Taian, Shandong, PR China
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Sobieściak TD, Zielenkiewicz P. Double Selective Synthetic Approach to the N-Functionalized 1,4,7-Triazacyclononane Derivatives: Chelating Compounds for Controllable Protein Orientation. J Org Chem 2010; 75:2069-72. [DOI: 10.1021/jo902504d] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tomasz D. Sobieściak
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5a, Warsaw 02-106, Poland
| | - Piotr Zielenkiewicz
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5a, Warsaw 02-106, Poland
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Jonkheijm P, Weinrich D, Schröder H, Niemeyer CM, Waldmann H. Chemical strategies for generating protein biochips. Angew Chem Int Ed Engl 2008; 47:9618-47. [PMID: 19025742 DOI: 10.1002/anie.200801711] [Citation(s) in RCA: 510] [Impact Index Per Article: 31.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Protein biochips are at the heart of many medical and bioanalytical applications. Increasing interest has been focused on surface activation and subsequent functionalization strategies for immobilizing these biomolecules. Different approaches using covalent and noncovalent chemistry are reviewed; particular emphasis is placed on the chemical specificity of protein attachment and on retention of protein function. Strategies for creating protein patterns (as opposed to protein arrays) are also outlined. An outlook on promising and challenging future directions for protein biochip research and applications is also offered.
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Affiliation(s)
- Pascal Jonkheijm
- Department of Chemical Biology, Max Planck Institute of Molecular Physiology and Faculty of Chemistry, Chemical Biology, Technical University of Dortmund, Otto Hahn Strasse 11, 44227 Dortmund, Germany
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15
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Jonkheijm P, Weinrich D, Schröder H, Niemeyer C, Waldmann H. Chemische Verfahren zur Herstellung von Proteinbiochips. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200801711] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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16
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Saito A, Kawai K, Takayama H, Sudo T, Osada H. Improvement of photoaffinity SPR imaging platform and determination of the binding site of p62/SQSTM1 to p38 MAP kinase. Chem Asian J 2008; 3:1607-12. [PMID: 18637653 DOI: 10.1002/asia.200800099] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
p38 mitogen-activated protein kinase (MAPK) is a member of the serine/threonine kinases and is activated in response to stress stimuli, such as cytokines, ultraviolet irradiation, heat shock, and osmotic shock. We revealed in a previous report that p62/SQSTM1, known to participate in proteasomal or autophagosomal protein degradation and cytokine receptor signal transduction pathways, binds to p38 to regulate specifically. Herein, we describe the improvement of the photoaffinity-thiol linker of our SPR imaging platform, which enabled us to determine the binding site of p62 to p38. SPR imaging experiments using a new photoaffinity linker 2 to immobilize the peptides derived from p62 on gold substrate indicate that the domain comprising amino acids 164-190 of p62 binds to p38 directly. These SPR analysis data and empirical biologic data reveal that the binding site of p62 to p38 is the domain corresponding to 173-182.
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Affiliation(s)
- Akiko Saito
- Antibiotics Laboratory, Chemical Biology Department, Advanced Research Institute, RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
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Liu W, Chen Y, Yan M. Surface plasmon resonance imaging of limited glycoprotein samples. Analyst 2008; 133:1268-73. [PMID: 18709206 DOI: 10.1039/b804235g] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A surface plasmon resonance imaging method has been developed for high throughput recognition and determination of low level glycoproteins with limited sample volume at least down to 50 nL. Chicken ovalbumin and immunoglobulin G were chosen as model compounds while bovine serum albumin and lysozyme were used as control. Each protein, at a concentration of 0.0080-1.0 mg mL(-1), was printed on one gold sensing film, and the films were simultaneously reacted with a probe solution and viewed using a laboratory-built surface plasmon resonance imaging system. The imaging signals were dependent on the concentration and the type of analyte, with a limit of detection down to at least 0.5 ng. The glycoproteins dotted at either 1.0 mg mL(-1) or 0.010 mg mL(-1) were easily differentiated from the non-glycoproteins by reaction with 200 nM concanavalin A (con A), giving a limit of recognition down also to 0.5 ng glycoprotein. This imaging method was hence considered a new tool for analyzing glycoproteins.
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Affiliation(s)
- Wei Liu
- Beijing National Laboratory of Molecular Science, Laboratory of Analytical Chemistry for Life Science, Institute of Chemistry Chinese Academy of Sciences, Beijing, 100080, PR China
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Bacart J, Corbel C, Jockers R, Bach S, Couturier C. The BRET technology and its application to screening assays. Biotechnol J 2008; 3:311-24. [DOI: 10.1002/biot.200700222] [Citation(s) in RCA: 134] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Wang Z, Wilkop T, Xu D, Dong Y, Ma G, Cheng Q. Surface plasmon resonance imaging for affinity analysis of aptamer-protein interactions with PDMS microfluidic chips. Anal Bioanal Chem 2007; 389:819-25. [PMID: 17673982 DOI: 10.1007/s00216-007-1510-x] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2007] [Revised: 07/02/2007] [Accepted: 07/12/2007] [Indexed: 01/03/2023]
Abstract
We report on the use of PDMS multichannels for affinity studies of DNA aptamer-human Immunoglobulin E (IgE) interactions by surface plasmon resonance imaging (SPRi). The sensing surface was prepared with thiol-terminated aptamers through a self-assembling process in the PDMS channels defined on a gold substrate. Cysteamine was codeposited with the thiol aptamers to promote proper spatial arrangement of the aptamers and thus maintain their optimal binding efficiencies. Four aptamers with different nucleic acid sequences were studied to test their interaction affinity toward IgE, and the results confirmed that aptamer I (5'-SH-GGG GCA CGT TTA TCC GTC CCT CCT AGT GGC GTG CCC C-3') has the strongest binding affinity. Control experiments were conducted with a PEG-functionalized surface and IgG was used to replace IgE in order to verify the selective binding of aptamer I to the IgE molecules. A linear concentration-dependent relationship between IgE and aptamer I was obtained, and a 2-nM detection limit was achieved. SPRi data were further analyzed by global fitting, and the dissociation constant of aptamer I-IgE complex was found to be 2.7 x 10(-7) M, which agrees relatively well with the values reported in the literature. Aptamer affinity screening by SPR imaging demonstrates marked advantages over competing methods because it does not require labeling, can be used in real-time, and is potentially high-throughput. The ability to provide both qualitative and quantitative results on a multichannel chip further establishes SPRi as a powerful tool for the study of biological interactions in a multiplexed format.
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Affiliation(s)
- Zhuangzhi Wang
- Department of Chemistry, University of California, Riverside, CA 92521, USA
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Abstract
With the growth of the "-omics" such as functional genomics and proteomics, one of the foremost challenges in biotechnologies has become the development of novel methods to monitor biological process and acquire the information of biomolecular interactions in a systematic manner. To fully understand the roles of newly discovered genes or proteins, it is necessary to elucidate the functions of these molecules in their interaction network. Microarray technology is becoming the method of choice for such a task. Although protein microarray can provide a high throughput analytical platform for protein profiling and protein-protein interaction, most of the current reports are limited to labeled detection using fluorescence or radioisotope techniques. These limitations deflate the potential of the method and prevent the technology from being adapted in a broader range of proteomics applications. In recent years, label-free analytical approaches have gone through intensified development and have been coupled successfully with protein microarray. In many examples of label-free study, the microarray has not only offered the high throughput detection in real time, but also provided kinetics information as well as in situ identification. This article reviews the most significant label-free detection methods for microarray technology, including surface plasmon resonance imaging, atomic force microscope, electrochemical impedance spectroscopy and MS and their applications in proteomics research.
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Affiliation(s)
- Xiaobo Yu
- Department of Biochemistry, Beijing Institute of Radiation Medicine, Beijing Proteome Research Center, Beijing, PR China
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21
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Kausaite A, van Dijk M, Castrop J, Ramanaviciene A, Baltrus JP, Acaite J, Ramanavicius A. Surface plasmon resonance label-free monitoring of antibody antigen interactions in real time. BIOCHEMISTRY AND MOLECULAR BIOLOGY EDUCATION : A BIMONTHLY PUBLICATION OF THE INTERNATIONAL UNION OF BIOCHEMISTRY AND MOLECULAR BIOLOGY 2007; 35:57-63. [PMID: 21591057 DOI: 10.1002/bmb.22] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Detection of biologically active compounds is one of the most important topics in molecular biology and biochemistry. One of the most promising detection methods is based on the application of surface plasmon resonance for label-free detection of biologically active compounds. This method allows one to monitor binding events in real time without labeling. The system can therefore be used to determine both affinity and rate constants for interactions between various types of molecules. Here, we describe the application of a surface plasmon resonance biosensor for label-free investigation of the interaction between an immobilized antigen bovine serum albumin (BSA) and antibody rabbit anti-cow albumin IgG1 (anti-BSA). The formation of a self-assembled monolayer (SAM) over a gold surface is introduced into this laboratory training protocol as an effective immobilization method, which is very promising in biosensing systems based on detection of affinity interactions. In the next step, covalent attachment via artificially formed amide bonds is applied for the immobilization of proteins on the formed SAM surface. These experiments provide suitable experience for postgraduate students to help them understand immobilization of biologically active materials via SAMs, fundamentals of surface plasmon resonance biosensor applications, and determination of non-covalent biomolecular interactions. The experiment is designed for master and/or Ph.D. students. In some particular cases, this protocol might be adoptable for bachelor students that already have completed an extended biochemistry program that included a background in immunology.
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Affiliation(s)
- Asta Kausaite
- Department of Analytical and Environmental Chemistry, Vilnius University, Naugarduko 24, 03225 Vilnius 6, Lithuania
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Habauzit D, Chopineau J, Roig B. SPR-based biosensors: a tool for biodetection of hormonal compounds. Anal Bioanal Chem 2006; 387:1215-23. [PMID: 17171560 DOI: 10.1007/s00216-006-0958-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2006] [Accepted: 10/19/2006] [Indexed: 10/23/2022]
Abstract
Novel cancer treatments, prevention of postmenopausal disorder, and prescription of oral contraceptives are the main developments in the design of synthetic estrogenic medication. The increasing consumption of these synthetic pharmaceuticals, in addition to human and animal natural estrogenic compound excretion, contribute to their environmental dissemination worldwide. Their assimilation as a result of consumption of food and water perturbs normal endocrine systems and leads to the emergence of human and animal diseases and malformations. These compounds are active in the organism at low concentrations. Accordingly, daily low-level exposure disrupts the natural equilibrium in the endocrine system. A method enabling quantification at such products at low levels (from pg L(-1) to ng L(-1)) is therefore required for these products. Surface plasmon resonance, essentially used for comprehension of molecular mechanisms and in drug discovery, can also be used for environmental pollutant monitoring. This technology has already been used for evaluation of the effects of chemical pollutants on specific nuclear receptors. It has been possible to determine the role of each individual compound on the disruption of the estrogen-activated cellular pathway. Development of SPR screening methods enables application of such an approach for quantification of these compounds in water.
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Affiliation(s)
- Denis Habauzit
- Centre LGEI, Ecole des Mines d'Alès, 6 avenue de Clavières, 30319 Alès Cedex, France
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23
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Valiokas R, Klenkar G, Tinazli A, Tampé R, Liedberg B, Piehler J. Differential Protein Assembly on Micropatterned Surfaces with Tailored Molecular and Surface Multivalency. Chembiochem 2006; 7:1325-9. [PMID: 16888732 DOI: 10.1002/cbic.200600176] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ramūnas Valiokas
- Molecular Compounds Physics Laboratory, Institute of Physics, Savanoriu 231, 02300 Vilnius, Lithuania
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24
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Abstract
The speed of the human genome project (Lander, E. S., Linton, L. M., Birren, B., Nusbaum, C. et al., Nature 2001, 409, 860-921) was made possible, in part, by developments in automation of sequencing technologies. Before these technologies, sequencing was a laborious, expensive, and personnel-intensive task. Similarly, automation and robotics are changing the field of proteomics today. Proteomics is defined as the effort to understand and characterize proteins in the categories of structure, function and interaction (Englbrecht, C. C., Facius, A., Comb. Chem. High Throughput Screen. 2005, 8, 705-715). As such, this field nicely lends itself to automation technologies since these methods often require large economies of scale in order to achieve cost and time-saving benefits. This article describes some of the technologies and methods being applied in proteomics in order to facilitate automation within the field as well as in linking proteomics-based information with other related research areas.
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Affiliation(s)
- Gil Alterovitz
- Division of Health Sciences and Technology, HST, Harvard Medical School and Massachusetts Institute of Technology, Boston, MA 02115, USA.
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Schäferling M, Nagl S. Optical technologies for the read out and quality control of DNA and protein microarrays. Anal Bioanal Chem 2006; 385:500-17. [PMID: 16609845 DOI: 10.1007/s00216-006-0317-5] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2005] [Revised: 11/02/2005] [Accepted: 01/13/2006] [Indexed: 10/24/2022]
Abstract
Microarray formats have become an important tool for parallel (or multiplexed) monitoring of biomolecular interactions. Surface-immobilized probes like oligonucleotides, cDNA, proteins, or antibodies can be used for the screening of their complementary targets, covering different applications like gene or protein expression profiling, analysis of point mutations, or immunodiagnostics. Numerous reviews have appeared on this topic in recent years, documenting the intriguing progress of these miniaturized assay formats. Most of them highlight all aspects of microarray preparation, surface chemistry, and patterning, and try to give a systematic survey of the different kinds of applications of this new technique. This review places the emphasis on optical technologies for microarray analysis. As the fluorescent read out of microarrays is dominating the field, this topic will be the focus of the review. Basic principles of labeling and signal amplification techniques will be introduced. Recent developments in total internal reflection fluorescence, resonance energy transfer assays, and time-resolved imaging are addressed, as well as non-fluorescent imaging methods. Finally, some label-free detection modes are discussed, such as surface plasmon microscopy or ellipsometry, since these are particularly interesting for microarray development and quality control purposes.
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Affiliation(s)
- Michael Schäferling
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany.
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26
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Bally M, Halter M, Vörös J, Grandin HM. Optical microarray biosensing techniques. SURF INTERFACE ANAL 2006. [DOI: 10.1002/sia.2375] [Citation(s) in RCA: 140] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Abstract
We identified 1113 articles (103 reviews, 1010 primary research articles) published in 2005 that describe experiments performed using commercially available optical biosensors. While this number of publications is impressive, we find that the quality of the biosensor work in these articles is often pretty poor. It is a little disappointing that there appears to be only a small set of researchers who know how to properly perform, analyze, and present biosensor data. To help focus the field, we spotlight work published by 10 research groups that exemplify the quality of data one should expect to see from a biosensor experiment. Also, in an effort to raise awareness of the common problems in the biosensor field, we provide side-by-side examples of good and bad data sets from the 2005 literature.
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Affiliation(s)
- Rebecca L Rich
- Center for Biomolecular Interaction Analysis, University of Utah, Salt Lake City, UT 84132, USA
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Ceccarini M, Torreri P, Lombardi DG, Macchia G, Macioce P, Petrucci TC. Molecular Basis of Dystrobrevin Interaction with Kinesin Heavy Chain: Structural Determinants of their Binding. J Mol Biol 2005; 354:872-82. [PMID: 16288919 DOI: 10.1016/j.jmb.2005.09.069] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2005] [Accepted: 09/22/2005] [Indexed: 11/19/2022]
Abstract
Dystrobrevins are a family of widely expressed dystrophin-associated proteins that comprises alpha and beta isoforms and displays significant sequence homology with several protein-binding domains of the dystrophin C-terminal region. The complex distribution of the multiple dystrobrevin isoforms suggests that the variability of their composition may be important in mediating their function. We have recently identified kinesin as a novel dystrobrevin-interacting protein and localized the dystrobrevin-binding site on the cargo-binding domain of neuronal kinesin heavy chain (Kif5A). In the present study, we assessed the kinetics of the dystrobrevin-Kif5A interaction by quantitative pull-down assay and surface plasmon resonance (SPR) analysis and found that beta-dystrobrevin binds to kinesin with high affinity (K(D) approximately 40 nM). Comparison of the sensorgrams obtained with alpha and beta-dystrobrevin at the same concentration of analyte showed a lower affinity of alpha compared to that of beta-dystrobrevin, despite their functional domain homology and about 70% sequence identity. Analysis of the contribution of single dystrobrevin domains to the interaction revealed that the deletion of either the ZZ domain or the coiled-coil region decreased the kinetics of the interaction, suggesting that the tertiary structure of dystrobrevin may play a role in regulating the interaction of dystrobrevin with kinesin. In order to understand if structural changes induced by post-translational modifications could affect dystrobrevin affinity for kinesin, we phosphorylated beta-dystrobrevin in vitro and found that it showed reduced binding capacity towards kinesin. The interaction between the adaptor/scaffolding protein dystrobrevin and the motor protein kinesin may play a role in the transport and targeting of components of the dystrophin-associated protein complex to specific sites in the cell, with the differences in the binding properties of dystrobrevin isoforms reflecting their functional diversity within the same cell type. Phosphorylation events could have a regulatory role in this context.
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Affiliation(s)
- Marina Ceccarini
- Department of Cell Biology and Neurosciences, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy.
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Moser R, Snyers L, Wruss J, Angulo J, Peters H, Peters T, Blaas D. Neutralization of a common cold virus by concatemers of the third ligand binding module of the VLDL-receptor strongly depends on the number of modules. Virology 2005; 338:259-69. [PMID: 15950998 DOI: 10.1016/j.virol.2005.05.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2005] [Revised: 04/22/2005] [Accepted: 05/13/2005] [Indexed: 10/25/2022]
Abstract
Concatemers of various numbers of the third ligand binding repeat of human very-low density lipoprotein receptor arranged in tandem were fused to maltose-binding protein and expressed as soluble polypeptides. These artificial receptors protected HeLa cells against infection with human rhinovirus serotype 2 (HRV2) to a degree that strongly increased with the number of repeats present; maximal protection was seen for the pentameric concatemer (MBP-V33333). This V3 pentamer neutralized HRV2 more efficiently than a recombinant protein with the entire ligand binding domain of the native receptor encompassing all 8 non-identical repeats. A concatemer of seven V3 modules (MBP-V3333333) was also less neutralizing. Neutralization was correlated with the degree of inhibition of virus binding to the cell surface. The results were in agreement with kinetic measurements using Biacore instrumentation demonstrating an increase in avidity with the number of modules present. At low concentrations of the receptor fragments, a 1:1 Langmuir kinetics was observed which became of complex type in the higher concentration range. This is most likely a consequence of receptor molecules simultaneously binding via several modules. Since there is no viral aggregation, neutralization of viral infectivity results from blockage of the receptor binding sites and possibly from inhibition of viral uncoating by crosslinking the viral capsid subunits via multi-module binding. Finally, the low affinity of the single V3 module allowed demonstrating the possibility of mapping the binding epitope of the V3 receptor fragment by saturation transfer difference nuclear magnetic resonance methodology.
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Affiliation(s)
- Rosita Moser
- Max F. Perutz Laboratories, University Departments at the Vienna Biocenter, Department of Medical Biochemistry, Medical University of Vienna, Dr. Bohr Gasse 9/3, A-1030 Vienna, Austria
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30
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Current Awareness on Comparative and Functional Genomics. Comp Funct Genomics 2005. [PMCID: PMC2447491 DOI: 10.1002/cfg.425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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