1
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Zhang Y, Zhang Y, Zhang L, Liu Y. Oriented immobilization of nanobodies using SpyCatcher/SpyTag significantly enhances the capacity of affinity chromatography. J Chromatogr A 2024; 1730:465107. [PMID: 38905946 DOI: 10.1016/j.chroma.2024.465107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 06/14/2024] [Accepted: 06/17/2024] [Indexed: 06/23/2024]
Abstract
The use of nanobodies (Nbs) in affinity chromatography for biomacromolecule purification is gaining popularity. However, high-performance Nb-based affinity resins are not readily available, mainly due to the lack of suitable immobilization methods. In this study, we explored an autocatalytic coupling strategy based on the SpyCatcher/SpyTag chemistry to achieve oriented immobilization of Nb ligands. To facilitate this approach, a variant cSpyCatcher003 (cSC003) was coupled onto agarose microspheres, providing a specific attachment site for SpyTagged nanobody ligands. The cSC003 easily purified from Escherichia coli through a two-step procedure, exhibits exceptional alkali resistance and structural recovery capability, highlighting its robustness as a linker in the coupling strategy. To validate the effectiveness of cSC003-derivatized support, we employed VHSA, a nanobody against human serum albumin (HSA), as the model ligand. Notably, the immobilization of SpyTagged VHSA onto the cSC003-derivatized support was achieved with a coupling efficiency of 90 %, significantly higher than that of traditional thiol-based coupling method. This improvement directly correlated to the preservation of the native conformation of nanobodies during the coupling process. In addition, the Spy-immobilized resin demonstrated better performance in the binding capacity, with a 3-fold improvement in capture efficiency, underscoring the advantages of the Spy immobilization strategy for oriented immobilization of VHSA ligands. Moreover, online purification and immobilization of SpyTagged VHSA from crude bacterial lysate was achieved using the cSC003-derivatized support. The resulting resin exhibited high binding specificity towards HSA, yielding a purity above 95 % directly from human serum, and maintained good stability throughout multiple purification cycles. These findings highlight the potential of the Spy immobilization strategy for developing Nb-based affinity chromatographic materials, with significant implications for biopharmaceutical downstream processes.
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Affiliation(s)
- Yuxiang Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yao Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Luyao Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yongdong Liu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China.
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2
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Fan Q, Zhao R, Chen Y, Chi L, Huang Y, Liu M, Shi G. Affinity purification of mAb from serum-containing hybridoma culture supernatant through a novel nanobody that discriminates mouse IgG from bovine IgG by recognizing the mouse kappa constant region (mCK). J Chromatogr A 2024; 1724:464929. [PMID: 38669942 DOI: 10.1016/j.chroma.2024.464929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 04/02/2024] [Accepted: 04/21/2024] [Indexed: 04/28/2024]
Abstract
When purifying mAb from serum-containing hybridoma culture supernatant, it is essential that mouse IgG remains free from contaminations of bovine IgG. However, the broadly used Protein A resin cannot achieve this goal due to binding between both mouse and bovine IgG. Here, a novel nanobody-based affinity purification magnetic beads that discriminates mouse IgG from bovine IgG was developed. To bind all subtypes of mouse IgG (IgG1, IgG2a, IgG2b and IgG3) that contain the kappa light chain, mCK (mouse kappa constant region)-specific nanobody binders were selected from an immune phage display VHH library; this library was constructed with peripheral blood mononuclear cells (PBMCs), which were collected from Bactrian camels immunized with a mix of intact mouse IgGs (IgG1, IgG2a, IgG2b and IgG3). A novel clone that exhibited a higher expression level and a higher binding affinity was selected (4E6). Then, the 4E6 nanobody in the format of VHH-hFC (human Fc) was conjugated on magnetic beads with a maximal binding capacity of 15.41±0.69 mg mouse IgG/mL beads. Furthermore, no bovine IgG could be copurified from hybridoma culture supernatant with immunomagnetic beads. This approach is valuable for the large-scale in vitro production of highly pure antibodies by hybridoma cells.
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Affiliation(s)
- Qi Fan
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, PR China
| | - Rui Zhao
- Beijing Scipromed Biotech Co., Ltd., Beijing 102200, PR China
| | - Yinuo Chen
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, PR China
| | - Lida Chi
- Beijing Scipromed Biotech Co., Ltd., Beijing 102200, PR China
| | - Yonglin Huang
- Beijing Scipromed Biotech Co., Ltd., Beijing 102200, PR China
| | - Mengmeng Liu
- Beijing Scipromed Biotech Co., Ltd., Beijing 102200, PR China
| | - Guoqing Shi
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, PR China.
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3
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Jia Q, Lv Y, Miao C, Feng J, Ding Y, Zhou T, Han S, He L. A new MAS-related G protein-coupled receptor X2 cell membrane chromatography analysis model based on HALO-tag technology and its applications. Talanta 2024; 268:125317. [PMID: 37879202 DOI: 10.1016/j.talanta.2023.125317] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/04/2023] [Accepted: 10/14/2023] [Indexed: 10/27/2023]
Abstract
Cell membrane chromatography (CMC) is an effective method for studying receptors with multiple transmembrane structure such as MAS-related G protein-coupled receptor X2 (MrgX2). CMC relies on the maintenance of the complete biological structure of a membrane receptor; however, it needs to be further improved to obtain a more convenient and stable CMC model. In the present study, the haloalkane dehalogenase protein tag (HALO-tag) technology was used to construct a new MrgX2/CMC model. The fusion receptors of MrgX2 with HALO-tag at the C terminus were expressed in HEK293 cells. The silica gel was modified with a substrate of HALO-tag (chloroalkanes) via one-step acylation for the rapid capture of fusion receptors. The new CMC model (MrgX2-HALO-tag/CMC model) was not only quicker to prepare but also more stable and had a longer lifespan than a previous MrgX2-SNAP-tag/CMC model. In combination with the high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) system, the MrgX2-HALO-tag/CMC model was used to screen and identify bioactive components in traditional Chinese medicine. Using this combination, sanggenon C and morusin were identified from Mori Cortex as anti-pseudo-allergic components. The MrgX2-HALO-tag/CMC model alone was also applied to analyze ligand-receptor interaction. The affinity order of four ligands to MrgX2 was as follows: desipramine < imipramine < amitriptyline < clomipramine. This was consistent with the results obtained using the MrgX2-SNAP-tag/CMC model. The MrgX2-HALO-tag/CMC model provides ideas and application prospects for the immobilization of cell membrane that contains receptors with more transmembrane structures.
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Affiliation(s)
- Qianqian Jia
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Yanni Lv
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Chenyang Miao
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Jingting Feng
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Yifan Ding
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Tongpei Zhou
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China
| | - Shengli Han
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China.
| | - Langchong He
- School of Pharmacy, Xi'an Jiaotong University, 76# Yanta West Road, Xi'an, 710061, China; Institute of Pharmaceutical Science and Technology, Western China Science &Technology Innovation Harbour, Xi'an, 710115, China.
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4
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Ionescu RE. Ultrasensitive Electrochemical Immunosensors Using Nanobodies as Biocompatible Sniffer Tools of Agricultural Contaminants and Human Disease Biomarkers. MICROMACHINES 2023; 14:1486. [PMID: 37630022 PMCID: PMC10456424 DOI: 10.3390/mi14081486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 08/27/2023]
Abstract
Nanobodies (Nbs) are known as camelid single-domain fragments or variable heavy chain antibodies (VHH) that in vitro recognize the antigens (Ag) similar to full-size antibodies (Abs) and in vivo allow immunoreactions with biomolecule cavities inaccessible to conventional Abs. Currently, Nbs are widely used for clinical treatments due to their remarkably improved performance, ease of production, thermal robustness, superior physical and chemical properties. Interestingly, Nbs are also very promising bioreceptors for future rapid and portable immunoassays, compared to those using unstable full-size antibodies. For all these reasons, Nbs are excellent candidates in ecological risk assessments and advanced medicine, enabling the development of ultrasensitive biosensing platforms. In this review, immobilization strategies of Nbs on conductive supports for enhanced electrochemical immune detection of food contaminants (Fcont) and human biomarkers (Hbio) are discussed. In the case of Fcont, the direct competitive immunoassay detection using coating antigen solid surface is the most commonly used approach for efficient Nbs capture which was characterized with cyclic voltammetry (CV) and differential pulse voltammetry (DPV) when the signal decays for increasing concentrations of free antigen prepared in aqueous solutions. In contrast, for the Hbio investigations on thiolated gold electrodes, increases in amperometric and electrochemical impedance spectroscopy (EIS) signals were recorded, with increases in the antigen concentrations prepared in PBS or spiked real human samples.
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Affiliation(s)
- Rodica Elena Ionescu
- Light, Nanomaterials and Nanotechnology (L2n) Laboratory, CNRS EMR 7004, University of Technology of Troyes, 12 Rue Marie Curie CS 42060, 10004 Troyes, France
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5
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Capkin E, Kurt H, Gurel B, Bicak D, Akgun Bas S, Daglikoca DE, Yuce M. Characterization of FcγRIa (CD64) as a Ligand Molecule for Site-Specific IgG1 Capture: A Side-By-Side Comparison with Protein A. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:14623-14634. [PMID: 36416530 PMCID: PMC9730901 DOI: 10.1021/acs.langmuir.2c02022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 11/12/2022] [Indexed: 06/16/2023]
Abstract
Fc γ receptors (FcγRs) are one of the structures that can initiate effector function for monoclonal antibodies. FcγRIa has the highest affinity toward IgG1-type monoclonal antibodies among all FcγRs. In this study, a comprehensive characterization was performed for FcγRIa as a potential affinity ligand for IgG1-type monoclonal antibody binding. The binding interactions were assessed with the SPR technique using different immobilization techniques such as EDC-NHS coupling, streptavidin-biotin interaction, and His-tagged FcγRIa capture. The His-tagged FcγRIa capture was the most convenient method based on assay repeatability. Next, a crude IgG1 sample and its fractions with different monomer contents obtained from protein A affinity chromatography were used to evaluate FcγRIa protein in terms of monoclonal antibody binding capacity. The samples were also compared with a protein A-immobilized chip (a frequently used affinity ligand) for IgG1 binding responses. The antibody binding capacity of the protein A-immobilized chip surface was significantly better than that of the FcγRIa-immobilized chip surface due to its 5 Ig binding domains. The antibody binding responses changed similarly with protein A depending on the monomer content of the sample. Finally, a different configuration was used to assess the binding affinity of free FcγRs (FcγRIa, FcγRIIa, and FcγRIIIa) to three different immobilized IgGs by immobilizing protein L to the chip surface. Unlike previous immobilization techniques tested where the FcγRIa was utilized as a ligand, nonimmobilized or free FcγRIa resulted in a significantly higher antibody binding response than free protein A. In this configuration, kinetics data of FcγRI revealed that the association rate (ka 50-80 × 105 M-1 s-1) increased in comparison to His capture method (1.9-2.4 × 105 M-1 s-1). In addition, the dissociation rate (kd 10-5 s-1) seemed slower over the His capture method (10-4 s-1) and provided stability on the chip surface during the dissociation phase. The KD values for FcγRIa were found in the picomolar range (2.1-10.33 pM from steady-state affinity analysis and 37.5-46.2 pM from kinetic analysis) for IgG1-type antibodies. FcγRIa possesses comparable ligand potential as well as protein A. Even though the protein A-immobilized surface bound more antibodies than the FcγRIa-captured surface, FcγRIa presented a significant antibody binding capacity in protein L configuration. The results suggest FcγRIa protein as a potential ligand for site-oriented immobilization of IgG1-type monoclonal antibodies, and it needs further performance investigation on different surfaces and interfaces for applications such as sensing and antibody purification.
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Affiliation(s)
- Eda Capkin
- Faculty
of Engineering and Natural Sciences, Sabanci
University, Tuzla 34956, Istanbul, Turkey
| | - Hasan Kurt
- School
of Engineering and Natural Sciences, Istanbul
Medipol University, Beykoz 34810, Istanbul, Turkey
- SABITA
Research Institute for Health Sciences and Technologies, Istanbul Medipol University, Beykoz 34810, Istanbul, Turkey
- Nanosolar
Plasmonics Ltd., Gebze 41400, Kocaeli, Turkey
| | - Busra Gurel
- SUNUM
Nanotechnology Research and Application Center, Sabanci University, Tuzla 34956, Istanbul, Turkey
| | - Dilan Bicak
- ILKO ARGEM
Biotechnology R&D Center, Pendik 34906, Istanbul, Turkey
| | - Sibel Akgun Bas
- ILKO ARGEM
Biotechnology R&D Center, Pendik 34906, Istanbul, Turkey
| | | | - Meral Yuce
- SUNUM
Nanotechnology Research and Application Center, Sabanci University, Tuzla 34956, Istanbul, Turkey
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6
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Ren J, Xiong H, Huang C, Ji F, Jia L. An engineered peptide tag-specific nanobody for immunoaffinity chromatography application enabling efficient product recovery at mild conditions. J Chromatogr A 2022; 1676:463274. [DOI: 10.1016/j.chroma.2022.463274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/15/2022] [Accepted: 06/22/2022] [Indexed: 10/17/2022]
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7
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Curulli A. Recent Advances in Electrochemical Sensing Strategies for Food Allergen Detection. BIOSENSORS 2022; 12:bios12070503. [PMID: 35884306 PMCID: PMC9313194 DOI: 10.3390/bios12070503] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 02/06/2023]
Abstract
Food allergy has been indicated as the most frequent adverse reaction to food ingredients over the past few years. Since the only way to avoid the occurrence of allergic phenomena is to eliminate allergenic foods, it is essential to have complete and accurate information on the components of foodstuff. In this framework, it is mandatory and crucial to provide fast, cost-effective, affordable, and reliable analysis methods for the screening of specific allergen content in food products. This review reports the research advancements concerning food allergen detection, involving electrochemical biosensors. It focuses on the sensing strategies evidencing different types of recognition elements such as antibodies, nucleic acids, and cells, among others, the nanomaterial role, the several electrochemical techniques involved and last, but not least, the ad hoc electrodic surface modification approaches. Moreover, a selection of the most recent electrochemical sensors for allergen detection are reported and critically analyzed in terms of the sensors’ analytical performances. Finally, advantages, limitations, and potentialities for practical applications of electrochemical biosensors for allergens are discussed.
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Affiliation(s)
- Antonella Curulli
- Consiglio Nazionale delle Ricerche (CNR), Istituto per lo Studio dei Materiali Nanostrutturati (ISMN), 00161 Rome, Italy
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8
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Xue A, Fan S. Matrices and Affinity Ligands for Antibody Purification and Corresponding Applications in Radiotherapy. Biomolecules 2022; 12:biom12060821. [PMID: 35740946 PMCID: PMC9221399 DOI: 10.3390/biom12060821] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/09/2022] [Accepted: 06/10/2022] [Indexed: 02/05/2023] Open
Abstract
Antibodies have become an important class of biological products in cancer treatments such as radiotherapy. The growing therapeutic applications have driven a demand for high-purity antibodies. Affinity chromatography with a high affinity and specificity has always been utilized to separate antibodies from complex mixtures. Quality chromatographic components (matrices and affinity ligands) have either been found or generated to increase the purity and yield of antibodies. More importantly, some matrices (mainly particles) and affinity ligands (including design protocols) for antibody purification can act as radiosensitizers or carriers for therapeutic radionuclides (or for radiosensitizers) either directly or indirectly to improve the therapeutic efficiency of radiotherapy. This paper provides a brief overview on the matrices and ligands used in affinity chromatography that are involved in antibody purification and emphasizes their applications in radiotherapy to enrich potential approaches for improving the efficacy of radiotherapy.
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9
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Simões B, Guedens WJ, Keene C, Kubiak-Ossowska K, Mulheran P, Kotowska AM, Scurr DJ, Alexander MR, Broisat A, Johnson S, Muyldermans S, Devoogdt N, Adriaensens P, Mendes PM. Direct Immobilization of Engineered Nanobodies on Gold Sensors. ACS APPLIED MATERIALS & INTERFACES 2021; 13:17353-17360. [PMID: 33845569 PMCID: PMC8153533 DOI: 10.1021/acsami.1c02280] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/25/2021] [Indexed: 05/25/2023]
Abstract
Single-domain antibodies, known as nanobodies, have great potential as biorecognition elements for sensors because of their small size, affinity, specificity, and robustness. However, facile and efficient methods of nanobody immobilization are sought that retain their maximum functionality. Herein, we describe the direct immobilization of nanobodies on gold sensors by exploiting a modified cysteine strategically positioned at the C-terminal end of the nanobody. The experimental data based on secondary ion mass spectrometry, circular dichroism, and surface plasmon resonance, taken together with a detailed computational work (molecular dynamics simulations), support the formation of stable and well-oriented nanobody monolayers. Furthermore, the nanobody structure and activity is preserved, wherein the nanobody is immobilized at a high density (approximately 1 nanobody per 13 nm2). The strategy for the spontaneous nanobody self-assembly is simple and effective and possesses exceptional potential to be used in numerous sensing platforms, ranging from clinical diagnosis to environmental monitoring.
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Affiliation(s)
- Bárbara Simões
- School
of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Wanda J. Guedens
- Institute
for Materials Research (IMO), Hasselt University, BE-3590 Diepenbeek, Belgium
| | - Charlie Keene
- School
of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | | | - Paul Mulheran
- Department
of Chemical & Process Engineering, University
of Strathclyde, Glasgow G1 1XQ, United Kingdom
| | - Anna M. Kotowska
- School
of Pharmacy, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - David J. Scurr
- School
of Pharmacy, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Morgan R Alexander
- School
of Pharmacy, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Alexis Broisat
- Laboratory
of Bioclinical Radiopharmaceutics, Université
Grenoble Alpes, Inserm, CHU Grenoble Alpes, LRB, 38000 Grenoble, France
| | - Steven Johnson
- Department
of Electronic Engineering, University of
York, York YO19 5DD, United Kingdom
| | - Serge Muyldermans
- Cellular
and Molecular Immunology laboratory, Vrije
Universiteit Brussel (VUB), BE-1050 Brussels, Belgium
| | - Nick Devoogdt
- In
vivo Cellular and Molecular Imaging laboratory, Vrije Universiteit Brussel (VUB), BE-1090 Brussels, Belgium
| | - Peter Adriaensens
- Institute
for Materials Research (IMO), Hasselt University, BE-3590 Diepenbeek, Belgium
| | - Paula M. Mendes
- School
of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
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10
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Huang Y, Fu J, Zhong Y, Shuai W, Zhang H, Li Y, He Q, Tu Z. Tandem nanobody: A feasible way to improve the capacity of affinity chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1173:122678. [PMID: 33839466 DOI: 10.1016/j.jchromb.2021.122678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 03/09/2021] [Accepted: 03/20/2021] [Indexed: 11/21/2022]
Abstract
Nanobodies, referred to the binding domain of the heavy-chain-only antibodies, are the smallest antigen recognition unit. The molecular weight of monomeric nanobodies is about one-tenth of the conventional antibodies. The small size of nanobodies facilitates genetic manipulation and recombinant expression. This study aimed to investigate the effects of nanobody multivalency on the binding capacity of affinity resin. The nanobody (namely AFV), which binds to the fragment crystallizable (Fc) region of immunoglobulin G (IgG), was fused to the N-terminal of HaloTag in the form of monomeric (H-AFV), dimer (H-diAFV), trimer (H-triAFV), and tetramer (H-tetAFV). The fusion proteins were solubly expressed in Escherichia coli yielding at least 9.9 mg L-1. The biolayer interferometry confirmed an increment of avidity as the increase of AFV valences. The four recombinant proteins in crude cell lysate were site-specifically immobilized onto the Halo ligand resin via the self-labeling HaloTag, respectively. The generated affinity resins were able to isolate high purity IgG from mouse plasma. The highest improvement of the static binding capacity was achieved 73.7% by the H-diAFV resin other than the H-triAFV or H-tetAFV, as compared to the H-AFV resin.
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Affiliation(s)
- Yunxiang Huang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; School of Life Sciences, Nanchang University, Nanchang 330031, China; Jiangxi-OAI Joint Research Institution, Nanchang University, Nanchang 330047, China
| | - Jinheng Fu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi-OAI Joint Research Institution, Nanchang University, Nanchang 330047, China
| | - Yinfeng Zhong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; School of Life Sciences, Nanchang University, Nanchang 330031, China; Jiangxi-OAI Joint Research Institution, Nanchang University, Nanchang 330047, China
| | - Wenyuan Shuai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Hang Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Yanping Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi-OAI Joint Research Institution, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Modern Analytical Sciences, Nanchang University, Nanchang 330031, China
| | - Qinghua He
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi-OAI Joint Research Institution, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Modern Analytical Sciences, Nanchang University, Nanchang 330031, China
| | - Zhui Tu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Modern Analytical Sciences, Nanchang University, Nanchang 330031, China.
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11
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Kip C, Hamaloğlu KÖ, Demir C, Tuncel A. Recent trends in sorbents for bioaffinity chromatography. J Sep Sci 2021; 44:1273-1291. [PMID: 33370505 DOI: 10.1002/jssc.202001117] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/22/2020] [Accepted: 12/23/2020] [Indexed: 12/24/2022]
Abstract
Isolation or enrichment of biological molecules from complex biological samples is mostly a prerequisite in proteomics, genomics, and glycomics. Different techniques have been used to advance the efficiency of the purification of biological molecules. Bioaffinity chromatography is one of the most powerful technique that plays an important role in the isolation of target biological molecules by the specific interactions with ligands that are immobilized on different support materials. This review examines the recent developments in bioaffinity chromatography particularly over the past 5 years in the literature. Also properties of supports, immobilization techniques, types of binding agents, and methods used in bioaffinity chromatography applications are summarized.
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Affiliation(s)
- Cigdem Kip
- Chemical Engineering Department, Hacettepe University, Ankara, Turkey
| | | | - Cihan Demir
- Chemical Engineering Department, Hacettepe University, Ankara, Turkey.,Nanotechnology and Nanomedicine Division, Hacettepe University, Ankara, Turkey
| | - Ali Tuncel
- Chemical Engineering Department, Hacettepe University, Ankara, Turkey
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12
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13
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Tang S, Han T, Wang Z, Yue N, Liu Z, Tang S, Yang X, Zhang Z, Zhou Y, Yuan W, Hao H, Sleman S, Pan D, Xuan B, Zhou W, Qian Z. Facile and Modular Pipeline for Protein-Specific Antibody Customization. ACS APPLIED BIO MATERIALS 2020; 3:4380-4387. [DOI: 10.1021/acsabm.0c00385] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Shubing Tang
- Guangzhou Institute of Pediatrics, Department of Neonatology, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 510623 Guangzhou, China
- CAS Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, 200031 Shanghai, China
- Shanghai Public Health Clinical Center, Fudan University, 201058 Shanghai, China
| | - Tian Han
- CAS Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, 200031 Shanghai, China
| | - Zewei Wang
- CAS Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, 200031 Shanghai, China
| | - Nan Yue
- CAS Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, 200031 Shanghai, China
| | - Zhi Liu
- CAS Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, 200031 Shanghai, China
| | - Shuhua Tang
- Tianjin Key Laboratory of Food Biotechnology, College of Biotechnology and Food Science, Tianjin University of Commerce, 300134 Tianjin, China
| | - Xiaoqi Yang
- Guangzhou Institute of Pediatrics, Department of Neonatology, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 510623 Guangzhou, China
| | - Zhe Zhang
- Guangzhou Institute of Pediatrics, Department of Neonatology, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 510623 Guangzhou, China
| | - Yan Zhou
- Guangzhou Institute of Pediatrics, Department of Neonatology, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 510623 Guangzhou, China
| | - Weiming Yuan
- Guangzhou Institute of Pediatrics, Department of Neonatology, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 510623 Guangzhou, China
| | - Hongyun Hao
- CAS Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, 200031 Shanghai, China
| | - Sirwan Sleman
- CAS Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, 200031 Shanghai, China
| | - Deng Pan
- Shanghai Public Health Clinical Center, Fudan University, 201058 Shanghai, China
| | - Baoqin Xuan
- CAS Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, 200031 Shanghai, China
| | - Wei Zhou
- Guangzhou Institute of Pediatrics, Department of Neonatology, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 510623 Guangzhou, China
| | - Zhikang Qian
- CAS Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, 200031 Shanghai, China
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de Marco A. Recombinant expression of nanobodies and nanobody-derived immunoreagents. Protein Expr Purif 2020; 172:105645. [PMID: 32289357 PMCID: PMC7151424 DOI: 10.1016/j.pep.2020.105645] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 04/06/2020] [Accepted: 04/09/2020] [Indexed: 12/12/2022]
Abstract
Antibody fragments for which the sequence is available are suitable for straightforward engineering and expression in both eukaryotic and prokaryotic systems. When produced as fusions with convenient tags, they become reagents which pair their selective binding capacity to an orthogonal function. Several kinds of immunoreagents composed by nanobodies and either large proteins or short sequences have been designed for providing inexpensive ready-to-use biological tools. The possibility to choose among alternative expression strategies is critical because the fusion moieties might require specific conditions for correct folding or post-translational modifications. In the case of nanobody production, the trend is towards simpler but reliable (bacterial) methods that can substitute for more cumbersome processes requiring the use of eukaryotic systems. The use of these will not disappear, but will be restricted to those cases in which the final immunoconstructs must have features that cannot be obtained in prokaryotic cells. At the same time, bacterial expression has evolved from the conventional procedure which considered exclusively the nanobody and nanobody-fusion accumulation in the periplasm. Several reports show the advantage of cytoplasmic expression, surface-display and secretion for at least some applications. Finally, there is an increasing interest to use as a model the short nanobody sequence for the development of in silico methodologies aimed at optimizing the yields, stability and affinity of recombinant antibodies. There is an increasing request for immunoreagents based on nanobodies. The multiplicity of their applications requires constructs with different structural complexity. Alternative expression methods are necessary to achieve such structural requirements. In silico optimization of nanobody biophysical characteristics becomes more and more reliable.
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Affiliation(s)
- Ario de Marco
- Laboratory for Environmental and Life Sciences, University of Nova Gorica, Vipavska cesta 13, S-5000, Nova Gorica, Slovenia.
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