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Lima AJF, Hajdu KL, Abdo L, Batista-Silva LR, de Oliveira Andrade C, Correia EM, Aragão EAA, Bonamino MH, Lourenzoni MR. In silico and in vivo analysis reveal impact of c-Myc tag in FMC63 scFv-CD19 protein interface and CAR-T cell efficacy. Comput Struct Biotechnol J 2024; 23:2375-2387. [PMID: 38873646 PMCID: PMC11170440 DOI: 10.1016/j.csbj.2024.05.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/06/2024] [Accepted: 05/17/2024] [Indexed: 06/15/2024] Open
Abstract
Anti-CD19 CAR-T cell therapy represents a breakthrough in the treatment of B-cell malignancies, and it is expected that this therapy modality will soon cover a range of solid tumors as well. Therefore, a universal cheap and sensitive method to detect CAR expression is of foremost importance. One possibility is the use of epitope tags such as c-Myc, HA or FLAG tags attached to the CAR extracellular domain, however, it is important to determine whether these tags can influence binding of the CAR with its target molecule. Here, we conducted in-silico structural modelling of an FMC63-based anti-CD19 single-chain variable fragment (scFv) with and without a c-Myc peptide tag added to the N-terminus portion and performed molecular dynamics simulation of the scFv with the CD19 target. We show that the c-Myc tag presence in the N-terminus portion does not affect the scFv's structural equilibrium and grants more stability to the scFv. However, intermolecular interaction potential (IIP) analysis reveals that the tag can approximate the complementarity-determining regions (CDRs) present in the scFv and cause steric impediment, potentially disturbing interaction with the CD19 protein. We then tested this possibility with CAR-T cells generated from human donors in a Nalm-6 leukemia model, showing that CAR-T cells with the c-Myc tag have overall worse antitumor activity, which was also observed when the tag was added to the C-terminus position. Ultimately, our results suggest that tag addition is an important aspect of CAR design and can influence CAR-T cell function, therefore its use should be carefully considered.
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Affiliation(s)
- Ana Julia Ferreira Lima
- Research Group on Protein Engineering and Health Solutions (GEPeSS), Oswaldo Cruz Foundation Ceará (Fiocruz-CE), São José, Precabura, 61773-270 Eusébio, Ceará, Brazil
- Federal University of Ceará (UFC), Pici campus (Building 873), 60440-970 Fortaleza, Ceará, Brazil
| | - Karina Lobo Hajdu
- Cell and Gene Therapy Program, Research coordination - Brazilian National Cancer Institute, Rio de Janeiro, Brazil
| | - Luiza Abdo
- Cell and Gene Therapy Program, Research coordination - Brazilian National Cancer Institute, Rio de Janeiro, Brazil
| | | | - Clara de Oliveira Andrade
- Cell and Gene Therapy Program, Research coordination - Brazilian National Cancer Institute, Rio de Janeiro, Brazil
| | - Eduardo Mannarino Correia
- Cell and Gene Therapy Program, Research coordination - Brazilian National Cancer Institute, Rio de Janeiro, Brazil
| | | | - Martín Hernán Bonamino
- Cell and Gene Therapy Program, Research coordination - Brazilian National Cancer Institute, Rio de Janeiro, Brazil
- Vice - Presidency of Research and Biological Collections (VPPCB), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil
| | - Marcos Roberto Lourenzoni
- Research Group on Protein Engineering and Health Solutions (GEPeSS), Oswaldo Cruz Foundation Ceará (Fiocruz-CE), São José, Precabura, 61773-270 Eusébio, Ceará, Brazil
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Reddy DJ, Guntuku G, Palla MS. Advancements in nanobody generation: Integrating conventional, in silico, and machine learning approaches. Biotechnol Bioeng 2024. [PMID: 39054738 DOI: 10.1002/bit.28816] [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: 05/09/2024] [Revised: 07/08/2024] [Accepted: 07/13/2024] [Indexed: 07/27/2024]
Abstract
Nanobodies, derived from camelids and sharks, offer compact, single-variable heavy-chain antibodies with diverse biomedical potential. This review explores their generation methods, including display techniques on phages, yeast, or bacteria, and computational methodologies. Integrating experimental and computational approaches enhances understanding of nanobody structure and function. Future trends involve leveraging next-generation sequencing, machine learning, and artificial intelligence for efficient candidate selection and predictive modeling. The convergence of traditional and computational methods promises revolutionary advancements in precision biomedical applications such as targeted drug delivery and diagnostics. Embracing these technologies accelerates nanobody development, driving transformative breakthroughs in biomedicine and paving the way for precision medicine and biomedical innovation.
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Affiliation(s)
- D Jagadeeswara Reddy
- Pharmaceutical Biotechnology Division, A.U. College of Pharmaceutical Sciences, Andhra University, Visakhapatnam, India
| | - Girijasankar Guntuku
- Pharmaceutical Biotechnology Division, A.U. College of Pharmaceutical Sciences, Andhra University, Visakhapatnam, India
| | - Mary Sulakshana Palla
- GITAM School of Pharmacy, GITAM Deemed to be University, Rushikonda, Visakhapatnam, India
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Nazir A, Shad M, Rehman HM, Azim N, Sajjad M. Application of SUMO fusion technology for the enhancement of stability and activity of lysophospholipase from Pyrococcus abyssi. World J Microbiol Biotechnol 2024; 40:183. [PMID: 38722449 DOI: 10.1007/s11274-024-03998-w] [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: 02/11/2024] [Accepted: 04/21/2024] [Indexed: 05/18/2024]
Abstract
Heterologous production of proteins in Escherichia coli has raised several challenges including soluble production of target proteins, high levels of expression and purification. Fusion tags can serve as the important tools to overcome these challenges. SUMO (small ubiquitin-related modifier) is one of these tags whose fusion to native protein sequence can enhance its solubility and stability. In current research, a simple, efficient and cost-effective method is being discussed for the construction of pET28a-SUMO vector. In order to improve the stability and activity of lysophospholipase from Pyrococcus abyssi (Pa-LPL), a 6xHis-SUMO tag was fused to N-terminal of Pa-LPL by using pET28a-SUMO vector. Recombinant SUMO-fused enzyme (6 H-S-PaLPL) works optimally at 35 °C and pH 6.5 with remarkable thermostability at 35-95 °C. Thermo-inactivation kinetics of 6 H-S-PaLPL were also studied at 35-95 °C with first order rate constant (kIN) of 5.58 × 10- 2 h-1 and half-life of 12 ± 0 h at 95 °C. Km and Vmax for the hydrolysis of 4-nitrophenyl butyrate were calculated to be 2 ± 0.015 mM and 3882 ± 22.368 U/mg, respectively. 2.4-fold increase in Vmax of Pa-LPL was observed after fusion of 6xHis-SUMO tag to its N-terminal. It is the first report on the utilization of SUMO fusion tag to enhance the overall stability and activity of Pa-LPL. Fusion of 6xHis-SUMO tag not only aided in the purification process but also played a crucial role in increasing the thermostability and activity of the enzyme. SUMO-fused enzyme, thus generated, can serve as an important candidate for degumming of vegetable oils at industrial scale.
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Affiliation(s)
- Arshia Nazir
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Mohsin Shad
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | | | - Naseema Azim
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | - Muhammad Sajjad
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan.
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Geng K, Lin Y, Zheng X, Li C, Chen S, Ling H, Yang J, Zhu X, Liang S. Enhanced Expression of Alcohol Dehydrogenase I in Pichia pastoris Reduces the Content of Acetaldehyde in Wines. Microorganisms 2023; 12:38. [PMID: 38257867 PMCID: PMC10820543 DOI: 10.3390/microorganisms12010038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 12/16/2023] [Accepted: 12/19/2023] [Indexed: 01/24/2024] Open
Abstract
Acetaldehyde is an important carbonyl compound commonly detected in wines. A high concentration of acetaldehyde can affect the flavor of wines and result in adverse effects on human health. Alcohol dehydrogenase I (ADH1) in Saccharomyces cerevisiae catalyzes the reduction reaction of acetaldehyde into ethanol in the presence of cofactors, showing the potential to reduce the content of acetaldehyde in wines. In this study, ADH1 was successfully expressed in Pichia pastoris GS115 based on codon optimization. Then, the expression level of ADH1 was enhanced by replacing its promoter with optimized promoters and increasing the copy number of the expression cassette, with ADH1 being purified using nickel column affinity chromatography. The enzymatic activity of purified ADH1 reached 605.44 ± 44.30 U/mg. The results of the effect of ADH1 on the content of acetaldehyde in wine revealed that the acetaldehyde content of wine samples was reduced from 168.05 ± 0.55 to 113.17 ± 6.08 mg/L with the addition of 5 mM NADH and the catalysis of ADH1, and from 135.53 ± 4.08 to 52.89 ± 2.20 mg/L through cofactor regeneration. Our study provides a novel approach to reducing the content of acetaldehyde in wines through enzymatic catalysis.
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Affiliation(s)
- Kun Geng
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China
| | - Ying Lin
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China
| | - Xueyun Zheng
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China
- Key Laboratory of Fermentation Engineering of Ministry of Education, School of Biological Engineering and Food, Hubei University of Technology, Wuhan 430068, China
| | - Cheng Li
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Shuting Chen
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China
| | - He Ling
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China
| | - Jun Yang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China
| | - Xiangyu Zhu
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China
| | - Shuli Liang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China
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Wang P, Lin Z, Lin S, Zheng B, Zhang Y, Hu J. Prokaryotic Expression, Purification, and Antibacterial Activity of the Hepcidin Peptide of Crescent Sweetlips ( Plectorhinchus cinctus). Curr Issues Mol Biol 2023; 45:7212-7227. [PMID: 37754240 PMCID: PMC10528233 DOI: 10.3390/cimb45090456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 08/23/2023] [Accepted: 08/29/2023] [Indexed: 09/28/2023] Open
Abstract
The hepcidin peptide of crescent sweetlips (Plectorhinchus cinctus) is a cysteine-rich, cationic antimicrobial peptide that plays a crucial role in the innate immune system's defense against invading microbes. The aim of this study was to identify the optimal parameters for prokaryotic expression and purification of this hepcidin peptide and characterize its antibacterial activity. The recombinant hepcidin peptides were expressed in Escherichia coli strain Arctic Express (DE3), with culture and induction conditions optimized using response surface methodology (RSM). The obtained hepcidin peptides were then purified before tag cleavage, and their antibacterial activity was determined. The obtained results revealed that induction temperature had the most significant impact on the production of soluble recombinant peptides. The optimum induction conditions were determined to be an isopropylthio-β-galactoside (IPTG) concentration of 0.21 mmol/L, induction temperature of 18.81 °C, and an induction time of 16.01 h. Subsequently, the recombinant hepcidin peptide was successfully purified using Ni-IDA affinity chromatography followed by SUMO protease cleavage. The obtained hepcidin peptide (without His-SUMO tag) demonstrated strong antimicrobial activity in vitro against V. parahaemolyticus, E. coli, and S. aureus. The results showed prokaryotic (E. coli) expression is a feasible way to produce the hepcidin peptide of crescent sweetlips in a cost-effective way, which has great potential to be used as an antimicrobial agent in aquaculture.
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Affiliation(s)
- Peixin Wang
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China (S.L.); (B.Z.)
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Zhongjing Lin
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China (S.L.); (B.Z.)
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Shaoling Lin
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China (S.L.); (B.Z.)
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Baodong Zheng
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China (S.L.); (B.Z.)
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yi Zhang
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China (S.L.); (B.Z.)
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jiamiao Hu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- College of Life Sciences, University of Leicester, Leicester LE1 7RH, UK
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Muruaga EJ, Uriza PJ, Eckert GAK, Pepe MV, Duarte CM, Roset MS, Briones G. Adaptation of the binding domain of Lactobacillus acidophilus S-layer protein as a molecular tag for affinity chromatography development. Front Microbiol 2023; 14:1210898. [PMID: 37383629 PMCID: PMC10293925 DOI: 10.3389/fmicb.2023.1210898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 05/19/2023] [Indexed: 06/30/2023] Open
Abstract
Introduction The S-layer proteins are a class of self-assembling proteins that form bi-dimensional lattices named S-Layer on the cell surface of bacteria and archaea. The protein SlpA, which is the major constituent of the Lactobacillus acidophilus S-layer, contains in its C-terminus region (SlpA284 - 444), a protein domain (named here as SLAPTAG) responsible for the association of SlpA to the bacterial surface. SLAPTAG was adapted for the development of a novel affinity chromatography method: the SLAPTAG-based affinity chromatography (SAC). Methods Proteins with different molecular weights or biochemical functions were fused in-frame to the SLAPTAG and efficiently purified by a Bacillus subtilis-derived affinity matrix (named Bio-Matrix or BM). Different binding and elution conditions were evaluated to establish an optimized protocol. Results The binding equilibrium between SLAPTAG and BM was reached after a few minutes of incubation at 4°C, with an apparent dissociation constant (KD) of 4.3μM. A reporter protein (H6-GFP-SLAPTAG) was used to compare SAC protein purification efficiency against commercial immobilized metal affinity chromatography. No differences in protein purification performance were observed between the two methods. The stability and reusability of the BM were evaluated, and it was found that the matrix remained stable for more than a year. BM could be reused up to five times without a significant loss in performance. Additionally, the recovery of bound SLAP-tagged proteins was explored using proteolysis with a SLAP-tagged version of the HRV-3c protease (SLAPASE). This released the untagged GFP while the cut SLAPTAG and the SLAPASE were retained in the BM. As an alternative, iron nanoparticles were linked to the BM, resulting in BMmag. The BMmag was successfully adapted for a magnetic SAC, a technique with potential applications in high-throughput protein production and purification. Discussion The SAC protocol can be adapted as a universal tool for the purification of recombinant proteins. Furthermore, the SAC protocol utilizes simple and low-cost reagents, making it suitable for in-house protein purification systems in laboratories worldwide. This enables the production of pure recombinant proteins for research, diagnosis, and the food industry.
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Affiliation(s)
- Emanuel J. Muruaga
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín (UNSAM)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Escuela de Bio y Nanotecnologías (EByN), Universidad Nacional de San Martín, Buenos Aires, Argentina
| | - Paula J. Uriza
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín (UNSAM)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Escuela de Bio y Nanotecnologías (EByN), Universidad Nacional de San Martín, Buenos Aires, Argentina
| | - Gonzalo A. K. Eckert
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín (UNSAM)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Escuela de Bio y Nanotecnologías (EByN), Universidad Nacional de San Martín, Buenos Aires, Argentina
| | - María V. Pepe
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín (UNSAM)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Escuela de Bio y Nanotecnologías (EByN), Universidad Nacional de San Martín, Buenos Aires, Argentina
| | - Cecilia M. Duarte
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín (UNSAM)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Escuela de Bio y Nanotecnologías (EByN), Universidad Nacional de San Martín, Buenos Aires, Argentina
| | - Mara S. Roset
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín (UNSAM)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Escuela de Bio y Nanotecnologías (EByN), Universidad Nacional de San Martín, Buenos Aires, Argentina
| | - Gabriel Briones
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín (UNSAM)- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Escuela de Bio y Nanotecnologías (EByN), Universidad Nacional de San Martín, Buenos Aires, Argentina
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Darwish GH, Massey M, Daudet G, Alde LG, Algar WR. Tetrameric Antibody Complexes and Affinity Tag Peptides for the Selective Immobilization and Imaging of Single Quantum Dots. Bioconjug Chem 2023. [PMID: 37243625 DOI: 10.1021/acs.bioconjchem.3c00142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Colloidal semiconductor quantum dots (QDs) are of widespread interest as fluorescent labels for bioanalysis and imaging applications. Single-particle measurements have proven to be a very powerful tool for better understanding the fundamental properties and behaviors of QDs and their bioconjugates; however, a recurring challenge is the immobilization of QDs in a solution-like environment that minimizes interactions with a bulk surface. Immobilization strategies for QD-peptide conjugates are particularly underdeveloped within this context. Here, we present a novel strategy for the selective immobilization of single QD-peptide conjugates using a combination of tetrameric antibody complexes (TACs) and affinity tag peptides. A glass substrate is modified with an adsorbed layer of concanavalin A (ConA) that binds a subsequent layer of dextran that minimizes nonspecific binding. A TAC with anti-dextran and anti-affinity tag antibodies binds to the dextran-coated glass surface and to the affinity tag sequence of QD-peptide conjugates. The result is spontaneous and sequence-selective immobilization of single QDs without any chemical activation or cross-linking. Controlled immobilization of multiple colors of QDs is possible using multiple affinity tag sequences. Experiments confirmed that this approach positions the QD away from the bulk surface. The method supports real-time imaging of binding and dissociation, measurements of Förster resonance energy transfer (FRET), tracking of dye photobleaching, and detection of proteolytic activity. We anticipate that this immobilization strategy will be useful for studies of QD-associated photophysics, biomolecular interactions and processes, and digital assays.
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Affiliation(s)
- Ghinwa H Darwish
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
| | - Melissa Massey
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
| | - Gabrielle Daudet
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
| | - Luis G Alde
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
| | - W Russ Algar
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
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Yang LT, Abudureheman T, Zheng WW, Zhou H, Chen J, Duan CW, Chen KM. A novel His-tag-binding aptamer for recombinant protein detection and T cell-based immunotherapy. Talanta 2023; 263:124722. [PMID: 37247456 DOI: 10.1016/j.talanta.2023.124722] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 05/04/2023] [Accepted: 05/22/2023] [Indexed: 05/31/2023]
Abstract
Screening novel aptamers for recombinant protein detection is of great significance in industrial mass production of antibody drugs. In addition, construction of structurally stable bispecific circular aptamers (bc-apts) may provide a tumor-targeted treatment strategy by simultaneously binding two different cell types. In this study, we obtained a high-affinity hexahistidine tag (His-tag)-binding aptamer 20S and explored its application in recombinant protein detection and T cell-based immunotherapy. We developed a new molecular beacon (MB) 20S-MB to detect His-tagged proteins in vitro and in vivo with high sensitivity and specificity, and the results showed high consistency with the enzyme-linked immunosorbent assay (ELISA). Moreover, we constructed two kinds of bc-apts by cyclizing 20S or another His-tag-binding aptamer, 6H5-MU, with Sgc8, which specifically recognizes protein tyrosine kinase 7 (PTK7) on tumor cells. After forming a complex with His-tagged OKT3, an anti-CD3 antibody for T cell activation, we utilized these aptamer-antibody complexes (ap-ab complex) to enhance cytotoxicity of T cells by linking T cells and target cells together, and 20S-sgc8 exhibited antitumor efficacy superior to that of 6H5-sgc8. In conclusion, we screened a novel His-tag-binding aptamer and used it to construct a new type of MB for rapid detection of recombinant proteins, as well as establish a feasible approach for T cell-based immunotherapy.
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Affiliation(s)
- Li-Ting Yang
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tuersunayi Abudureheman
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei-Wei Zheng
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hang Zhou
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Chen
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Cai-Wen Duan
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Department of Pathology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China; Fujian Branch of Shanghai Children's Medical Center Affiliated to Shanghai Jiaotong University School of Medicine, And Fujian Children's Hospital, China; Key Laboratory of Technical Evaluation of Fertility Regulation for Non-human Primate, National Health Commission, Fujian Maternity and Child Health Hospital, China.
| | - Kai-Ming Chen
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Fujian Branch of Shanghai Children's Medical Center Affiliated to Shanghai Jiaotong University School of Medicine, And Fujian Children's Hospital, China.
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9
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Völzke JL, Smatty S, Döring S, Ewald S, Oelze M, Fratzke F, Flemig S, Konthur Z, Weller MG. Efficient Purification of Polyhistidine-Tagged Recombinant Proteins Using Functionalized Corundum Particles. BIOTECH 2023; 12:biotech12020031. [PMID: 37218748 DOI: 10.3390/biotech12020031] [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: 04/05/2023] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 05/24/2023] Open
Abstract
Immobilized metal affinity chromatography (IMAC) is a popular and valuable method for the affinity purification of polyhistidine-tagged recombinant proteins. However, it often shows practical limitations, which might require cumbersome optimizations, additional polishing, and enrichment steps. Here, we present functionalized corundum particles for the efficient, economical, and fast purification of recombinant proteins in a column-free format. The corundum surface is first derivatized with the amino silane APTES, then EDTA dianhydride, and subsequently loaded with nickel ions. The Kaiser test, well known in solid-phase peptide synthesis, was used to monitor amino silanization and the reaction with EDTA dianhydride. In addition, ICP-MS was performed to quantify the metal-binding capacity. His-tagged protein A/G (PAG), mixed with bovine serum albumin (BSA), was used as a test system. The PAG binding capacity was around 3 mg protein per gram of corundum or 2.4 mg per 1 mL of corundum suspension. Cytoplasm obtained from different E. coli strains was examined as examples of a complex matrix. The imidazole concentration was varied in the loading and washing buffers. As expected, higher imidazole concentrations during loading are usually beneficial when higher purities are desired. Even when higher sample volumes, such as one liter, were used, recombinant protein down to a concentration of 1 µg/mL could be isolated selectively. Comparing the corundum material with standard Ni-NTA agarose beads indicated higher purities of proteins isolated using corundum. His6-MBP-mSA2, a fusion protein consisting of monomeric streptavidin and maltose-binding protein in the cytoplasm of E. coli, was purified successfully. To show that this method is also suitable for mammalian cell culture supernatants, purification of the SARS-CoV-2-S-RBD-His8 expressed in human Expi293F cells was performed. The material cost of the nickel-loaded corundum material (without regeneration) is estimated to be less than 30 cents for 1 g of functionalized support or 10 cents per milligram of isolated protein. Another advantage of the novel system is the corundum particles' extremely high physical and chemical stability. The new material should be applicable in small laboratories and large-scale industrial applications. In summary, we could show that this new material is an efficient, robust, and cost-effective purification platform for the purification of His-tagged proteins, even in challenging, complex matrices and large sample volumes of low product concentration.
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Affiliation(s)
- Jule L Völzke
- Federal Institute for Materials Research and Testing (BAM), Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Sarah Smatty
- Federal Institute for Materials Research and Testing (BAM), Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Sarah Döring
- Federal Institute for Materials Research and Testing (BAM), Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Shireen Ewald
- Federal Institute for Materials Research and Testing (BAM), Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Marcus Oelze
- Federal Institute for Materials Research and Testing (BAM), Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Franziska Fratzke
- Federal Institute for Materials Research and Testing (BAM), Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Sabine Flemig
- Federal Institute for Materials Research and Testing (BAM), Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Zoltán Konthur
- Federal Institute for Materials Research and Testing (BAM), Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Michael G Weller
- Federal Institute for Materials Research and Testing (BAM), Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
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10
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Sun H, Wang H, Chen Q, Dong W, Gao C, Song H, Peng H, Li R, Wu H, Hou L, Chang Y, Luo H. Cation affinity purification of histidine-tagged proteins. Appl Microbiol Biotechnol 2023; 107:2639-2651. [PMID: 36810625 DOI: 10.1007/s00253-023-12425-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 01/23/2023] [Accepted: 02/01/2023] [Indexed: 02/24/2023]
Abstract
Protein purification is a basic technology in both biological research and industrial production, and efficient, convenient, economical, and environmentally friendly purification methods have always been pursued. In this study, it was found that alkaline earth metal cations (Mg2+, Ca2+) and alkali metal cations (Li+, Na+, K+) and even nonmetal cations (e.g., NH4+, imidazole, guanidine, arginine, lysine) can precipitate multi-histidine-tagged proteins (at least two tags in a whole protein) at low salts concentrations that are 1-3 orders of magnitude lower than salting-out, and precipitated proteins could be dissolved at moderate concentration of corresponding cation. Based on this finding, a novel cation affinity purification method was developed, which requires only three centrifugal separations to obtain highly purified protein with purification fold similar to that of immobilized metal affinity chromatography. The study also provides a possible explanation for unexpected protein precipitation and reminds researchers to consider the influence of cations on the experimental results. The interaction between histidine-tagged proteins and cations may also have broad application prospects. KEY POINTS: • Histidine-tagged proteins can be precipitated by low-concentrations common cations • A novel nonchromatographic protein purification method was developed • Purified protein can be obtained in pellet form by only three centrifugations.
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Affiliation(s)
- Hongxu Sun
- Department of Biological Science and Engineering, School of Chemistry and Biological Engineering, University of Science and Technology, Beijing, Beijing, 100083, China
| | - Hongrui Wang
- Department of Biological Science and Engineering, School of Chemistry and Biological Engineering, University of Science and Technology, Beijing, Beijing, 100083, China
| | - Qiwei Chen
- Department of Biological Science and Engineering, School of Chemistry and Biological Engineering, University of Science and Technology, Beijing, Beijing, 100083, China
| | - Wenge Dong
- Department of Biological Science and Engineering, School of Chemistry and Biological Engineering, University of Science and Technology, Beijing, Beijing, 100083, China
| | - Chao Gao
- Department of Biological Science and Engineering, School of Chemistry and Biological Engineering, University of Science and Technology, Beijing, Beijing, 100083, China
| | - Haiyan Song
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology, Beijing, Beijing, 100083, China
- Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, Beijing, 100083, China
| | - Hui Peng
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology, Beijing, Beijing, 100083, China
- Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, Beijing, 100083, China
| | - Ren Li
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology, Beijing, Beijing, 100083, China
- Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, Beijing, 100083, China
| | - Hao Wu
- Department of Biological Science and Engineering, School of Chemistry and Biological Engineering, University of Science and Technology, Beijing, Beijing, 100083, China
| | - Liangyu Hou
- Department of Biological Science and Engineering, School of Chemistry and Biological Engineering, University of Science and Technology, Beijing, Beijing, 100083, China
| | - Yanhong Chang
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology, Beijing, Beijing, 100083, China.
- Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, Beijing, 100083, China.
| | - Hui Luo
- Department of Biological Science and Engineering, School of Chemistry and Biological Engineering, University of Science and Technology, Beijing, Beijing, 100083, China.
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11
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Green synthesis of silica-coated magnetic nanocarriers for simultaneous purification-immobilization of β-1,3-xylanase. Int J Biol Macromol 2023; 233:123223. [PMID: 36639070 DOI: 10.1016/j.ijbiomac.2023.123223] [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: 07/11/2022] [Revised: 01/04/2023] [Accepted: 01/07/2023] [Indexed: 01/12/2023]
Abstract
Tailoring magnetic nanocarriers with tunable properties is of great significance for the development of multifunctional candidate materials in numerous fields. Herein, we report a one-pot biomimetic silicification-based method for the synthesis of silica-coated magnetic nanoparticles. The synthesis process was mild, low cost, and highly efficient, which took only about 21 min compared with 4.5-120 h in other literature. Then, the carriers had been characterized by VSM, SEM, TEM, XRD, FT-IR, and EDS to confirm their function. To evaluate the usefulness of the carriers, they were adopted to couple the purification and immobilization of β-1,3-xylanase from the cell lysate in a single step with high immobilization yield (92.8 %) and high activity recovery (82.4 %). The immobilized enzyme also retained 58.4 % of the initial activity after 10 cycles and displayed good storage properties, and improved thermal stability, which would be promising in algae biomass bioconversion as well as other diverse applications.
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12
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Immunosensor for realtime monitoring of the expression of recombinant proteins during bioprocess. Anal Biochem 2023; 665:115069. [PMID: 36716945 DOI: 10.1016/j.ab.2023.115069] [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: 12/10/2022] [Revised: 01/16/2023] [Accepted: 01/26/2023] [Indexed: 01/30/2023]
Abstract
Recombinant protein expression and purification are crucial in modern life sciences research. A fluorescent immunosensor termed Quenchbody (Q-body) was developed for real-time monitoring of FLAG-fused protein expression. Detection results showed that the limit of detection of the 3 × FLAG peptide detected by the TAMRA-labeled anti-FLAG Q-body was as low as 3.1 nM, with a half-maximal effective concentration of 21.4 nM. Furthermore, the anti-FLAG Q-body was used for detecting different proteins fused with a FLAG-tag at the N- or C-terminal. Subsequently, the constructed Q-body was used to monitor the real-time fermentation process of single-strand DNA-binding protein in Escherichia coli. Unlike previously reported Q-bodies that widely used Fab or scFv, the present study used a full-length anti-FLAG IgG for the first time. Owing to its excellent detection speed and sensitivity, the FLAG Q-body immunosensor has the potential to quantify and monitor target recombinant proteins in multiple biological processes in real-time.
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13
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Wang H, Sun H, Gao C, Chen Q, Dong W, Chang Y, Luo H. A phase separation process induced by pH change for purification of His-tagged protein at low salt concentration. Biochem Eng J 2023. [DOI: 10.1016/j.bej.2022.108792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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14
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He S, Xu R, Yi H, Chen Z, Chen C, Li Q, Han Q, Xia X, Song Y, Xu J, Zhang J. Development of alkaline phosphatase-scFv and its use for one-step enzyme-linked immunosorbent assay for His-tagged protein detection. Open Life Sci 2022; 17:1505-1514. [DOI: 10.1515/biol-2022-0521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 09/12/2022] [Accepted: 09/26/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
A histidine (His)-tag is composed of six His residues and typically exerts little influence on the structure and solubility of expressed recombinant fusion proteins. Purification methods for recombinant proteins containing His-tags are relatively well-established, thus His-tags are widely used in protein recombination technology. We established a one-step enzyme-linked immunosorbent assay (ELISA) for His-tagged recombinant proteins. We analyzed variable heavy and light chains of the anti-His-tag monoclonal antibody 4C9 and used BLAST analyses to determine variable zones in light (VL) and heavy chains (VH). VH, VL, and alkaline phosphatase (ALP) regions were connected via a linker sequence and ligated into the pGEX-4T-1 expression vector. Different recombinant proteins with His tags were used to evaluate and detect ALP-scFv activity. Antigen and anti-His-scFv-ALP concentrations for direct ELISA were optimized using the checkerboard method. ZIKV-NS1, CHIKV-E2, SCRV-N, and other His-tag fusion proteins demonstrated specific reactions with anti-His-scFv-ALP, which were accurate and reproducible when the antigen concentration was 50 µg mL−1 and the antibody concentration was 6.25 µg mL−1. For competitive ELISA, we observed a good linear relationship when coating concentrations of recombinant human anti-Müllerian hormone (hAMH) were between 0.78 and 12.5 µg mL−1. Our direct ELISA method is simple, rapid, and accurate. The scFv antibody can be purified using a prokaryotic expression system, which provides uniform product quality and reduces variations between batches.
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Affiliation(s)
- Shuzhen He
- Research Center of Molecular Medicine of Yunnan Province, Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500 , China
| | - Ruixian Xu
- Research Center of Molecular Medicine of Yunnan Province, Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500 , China
| | - Huashan Yi
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Southwest University, Rongchang , Chongqing 402460 , China
| | - Zhixin Chen
- Research Center of Molecular Medicine of Yunnan Province, Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500 , China
| | - Congjie Chen
- Research Center of Molecular Medicine of Yunnan Province, Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500 , China
| | - Qiang Li
- Research Center of Molecular Medicine of Yunnan Province, Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500 , China
| | - Qinqin Han
- Research Center of Molecular Medicine of Yunnan Province, Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500 , China
| | - Xueshan Xia
- Research Center of Molecular Medicine of Yunnan Province, Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500 , China
| | - Yuzhu Song
- Research Center of Molecular Medicine of Yunnan Province, Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500 , China
| | - Junwei Xu
- Research Center of Molecular Medicine of Yunnan Province, Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500 , China
| | - Jinyang Zhang
- Research Center of Molecular Medicine of Yunnan Province, Faculty of Life Science and Technology, Kunming University of Science and Technology , Kunming 650500 , China
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15
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Generation of a recombinant version of a biologically active cell-permeant human HAND2 transcription factor from E. coli. Sci Rep 2022; 12:16129. [PMID: 36167810 PMCID: PMC9515176 DOI: 10.1038/s41598-022-19745-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 09/02/2022] [Indexed: 12/02/2022] Open
Abstract
Transcription factor HAND2 has a significant role in vascularization, angiogenesis, and cardiac neural crest development. It is one of the key cardiac factors crucial for the enhanced derivation of functional and mature myocytes from non-myocyte cells. Here, we report the generation of the recombinant human HAND2 fusion protein from the heterologous system. First, we cloned the full-length human HAND2 gene (only protein-coding sequence) after codon optimization along with the fusion tags (for cell penetration, nuclear translocation, and affinity purification) into the expression vector. We then transformed and expressed it in Escherichia coli strain, BL21(DE3). Next, the effect (in terms of expression) of tagging fusion tags with this recombinant protein at two different terminals was also investigated. Using affinity chromatography, we established the one-step homogeneous purification of recombinant human HAND2 fusion protein; and through circular dichroism spectroscopy, we established that this purified protein had retained its secondary structure. We then showed that this purified human protein could transduce the human cells and translocate to its nucleus. The generated recombinant HAND2 fusion protein showed angiogenic potential in the ex vivo chicken embryo model. Following transduction in MEF2C overexpressing cardiomyoblast cells, this purified recombinant protein synergistically activated the α-MHC promoter and induced GFP expression in the α-MHC-eGFP reporter assay. Prospectively, the purified bioactive recombinant HAND2 protein can potentially be a safe and effective molecular tool in the direct cardiac reprogramming process and other biological applications.
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16
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Jiang H, Meng F, Lu D, Chen Y, Luo G, Chen Y, Chen J, Chen C, Zhang X, Su D. High-throughput FastCloning technology: A low-cost method for parallel cloning. PLoS One 2022; 17:e0273873. [PMID: 36084059 PMCID: PMC9462701 DOI: 10.1371/journal.pone.0273873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/16/2022] [Indexed: 11/18/2022] Open
Abstract
FastCloning, a reliable cloning technique for plasmid construction, is a widely used protocol in biomedical research laboratories. Only two-step molecular manipulations are required to add a gene (cDNA) of interest into the desired vector. However, parallel cloning of the gene into multiple vectors is still a labor-intensive operation, which requires a range of primers for different vectors in high-throughput cloning projects. The situation could even be worse if multiple fragments of DNA are required to be added into one plasmid. Here, we describe a high-throughput FastCloning (HTFC) method, a protocol for parallel cloning by adding an adaptor sequence into all vectors. The target gene and vectors were PCR amplified separately to obtain the insert product and linear vectors with 18-base overlapping at each end of the DNAs required for FastCloning. Furthermore, a method for generating polycistronic bacterial constructs based on the same strategy as that used for HTFC was developed. Thus, the HTFC technique is a simple, effective, reliable, and low-cost tool for parallel cloning.
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Affiliation(s)
- Hua Jiang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan, P.R. China
| | - Fan Meng
- Jujing-Chengdu Biotech, Chengdu, Sichuan, P.R. China
| | - Deren Lu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan, P.R. China
| | - Yanjuan Chen
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan, P.R. China
| | - Guilin Luo
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan, P.R. China
| | - Yuejun Chen
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan, P.R. China
| | - Jun Chen
- Jujing-Chengdu Biotech, Chengdu, Sichuan, P.R. China
| | - Cheng Chen
- Department of Gynecology and Obstetrics, Chongqing General Hospital, University of Chinese Academy of Sciences, Chongqing, P.R. China
| | - Xi Zhang
- School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, P.R. China
| | - Dan Su
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan, P.R. China
- Tianjin International Joint Academy of Biotechnology and Medicine, Tianjin, P.R. China
- * E-mail:
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17
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CASPON platform technology: Ultrafast circularly permuted caspase-2 cleaves tagged fusion proteins before all 20 natural amino acids at the N-terminus. N Biotechnol 2022; 71:37-46. [DOI: 10.1016/j.nbt.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/13/2022] [Accepted: 07/30/2022] [Indexed: 11/21/2022]
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18
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Lu J, Nie M, Li Y, Zhu H, Shi G. Design of composite nanosupports and applications thereof in enzyme immobilization: A review. Colloids Surf B Biointerfaces 2022; 217:112602. [PMID: 35660743 DOI: 10.1016/j.colsurfb.2022.112602] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/20/2022] [Accepted: 05/24/2022] [Indexed: 12/16/2022]
Abstract
Enzyme immobilization techniques have developed dramatically over the past several decades. Support materials are key in shaping the function of a specific immobilized enzyme. Although they have large specific surface areas and functional active sites, single-component nanomaterials and their surface chemical modification derivatives struggle to meet increasing demand. Thus, composite materials, compounds of two or more materials, have been developed and applied in efficient immobilization through advances in materials science. More methods have been developed and employed to design composite nanomaterials in recent years. These novel composite nanomaterials often show superior physical, chemical, and biological performance as supports in enzyme immobilization, among other applications. In this review, immobilization techniques and their supports are stated first and methods to design and fabricate composite nanomaterials as nanosupports are also shown in the following section. Applications of composite nanosupports in laccase immobilization are discussed as models in the later sections of the paper. This review is intended to help readers gain insight into the design principles of composite nanomaterials for immobilization supports.
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Affiliation(s)
- Jiawei Lu
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; Jiangsu Guoxin Union Energy Co., Ltd., Wuxi, Jiangsu Province 214203, People's Republic of China
| | - Mingfu Nie
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China
| | - Youran Li
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China.
| | - Huilin Zhu
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; Jiangsu Guoxin Union Energy Co., Ltd., Wuxi, Jiangsu Province 214203, People's Republic of China
| | - Guiyang Shi
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China; Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province 214122, PR China.
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19
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Havran L, Vacek J, Dorčák V. Free and Bound Histidine in Reactions at Mercury Electrode. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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20
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Nagano H, Mannen T, Kikuchi Y, Shiraki K. Solution design to extend the pH range of the pH-responsive precipitation of a CspB fusion protein. Protein Expr Purif 2022; 195-196:106091. [PMID: 35338005 DOI: 10.1016/j.pep.2022.106091] [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: 12/12/2021] [Revised: 03/08/2022] [Accepted: 03/18/2022] [Indexed: 10/18/2022]
Abstract
Cell surface protein B (CspB) from Corynebacterium glutamicum has been developed as a reversible pH-responsive tag for protein purification. CspB fusion proteins precipitate at acidic pH, after that they completely dissolve at neutral pH. This property has been used in a non-chromatographic protein purification method named pH-responsive Precipitation-Redissolution of CspB tag Purification (pPRCP). However, it is difficult to apply pPRCP to proteins that are unstable under acidic conditions. In an effort to shift the precipitation pH to a milder range, we investigated the solution conditions of CspB-fused Teriparatide (CspB50TEV-Teriparatide) during the process of pH-responsive precipitation using pPRCP. The purified CspB50TEV-Teriparatide in buffer without additives precipitated at pH 5.3. By contrast, CspB50TEV-Teriparatide in buffer with 0.5 M Na2SO4 precipitated at pH 6.6 because of the kosmotropic effect. Interestingly, the pH at which precipitation occurred was independent of the protein concentration. The precipitated CspB50TEV-Teriparatide was fully redissolved at above pH 8.0 in the presence or absence of salt. The discovery that proteins can be precipitated at a mild pH will allow pPRCP to be applied to acid-sensitive proteins.
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Affiliation(s)
- Hayato Nagano
- Research Institute for Bioscience Product & Fine Chemicals, Ajinomoto Co, Inc., 1-1, Suzuki-cho, Kawasaki, 2108681, Japan; Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8573, Japan.
| | - Teruhisa Mannen
- Research Institute for Bioscience Product & Fine Chemicals, Ajinomoto Co, Inc., 1-1, Suzuki-cho, Kawasaki, 2108681, Japan
| | - Yoshimi Kikuchi
- Research Institute for Bioscience Product & Fine Chemicals, Ajinomoto Co, Inc., 1-1, Suzuki-cho, Kawasaki, 2108681, Japan
| | - Kentaro Shiraki
- Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8573, Japan.
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21
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Rocha RA, Speight RE, Scott C. Engineering Enzyme Properties for Improved Biocatalytic Processes in Batch and Continuous Flow. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.1c00424] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Raquel A. Rocha
- School of Biology and Environmental Science, Faculty of Science, Queensland University of Technology, Brisbane, Queensland 4000, Australia
- CSIRO Synthetic Biology Future Science Platform, CSIRO Land & Water, Black Mountain Science and Innovation Park, Canberra, ACT 2601, Australia
| | - Robert E. Speight
- School of Biology and Environmental Science, Faculty of Science, Queensland University of Technology, Brisbane, Queensland 4000, Australia
- ARC Centre of Excellence in Synthetic Biology, Queensland University of Technology, Brisbane, Queensland 4000, Australia
| | - Colin Scott
- CSIRO Synthetic Biology Future Science Platform, CSIRO Land & Water, Black Mountain Science and Innovation Park, Canberra, ACT 2601, Australia
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22
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Chen K, Zhao Y. Molecular recognition of enzymes and modulation of enzymatic activity by nanoparticle conformational sensors. Chem Commun (Camb) 2022; 58:1732-1735. [PMID: 35029260 DOI: 10.1039/d1cc05699a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Regulation of enzyme activity is key to dynamic processes in biology but is difficult to achieve with synthetic systems. We here report molecularly imprinted nanoparticles with strong binding for the N- and C-terminal peptides on lysozyme. Binding affinity for the enzyme correlated with conformational flexibility of the peptides in the protein structure. Significantly, binding at the C-terminus of lysozyme enhanced the performance of the enzyme at elevated temperatures and that at the N-terminus lowered the enzyme activity. These nanoparticles, when clicked onto magnetic nanoparticles, could also be used to fish out the protein of interest from a mixture in a single step.
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Affiliation(s)
- Kaiqian Chen
- Department of Chemistry, Iowa State University, Ames, Iowa 50011-3111, USA.
| | - Yan Zhao
- Department of Chemistry, Iowa State University, Ames, Iowa 50011-3111, USA.
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23
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Soltaninasab S, Ahmadzadeh M, Shahhosseini S, Mohit E. Evaluating the efficacy of immobilized metal affinity chromatography (IMAC) for host cell protein (HCP) removal from anti-HER2 scFv expressed in Escherichia coli. Protein Expr Purif 2021; 190:106004. [PMID: 34688918 DOI: 10.1016/j.pep.2021.106004] [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: 09/14/2021] [Revised: 10/17/2021] [Accepted: 10/19/2021] [Indexed: 12/24/2022]
Abstract
Host cell proteins (HCPs) are process-related impurities that have influence on product safety and efficacy. HCPs should effectively be removed by chromatographic steps in downstream purification process. In this study, we aimed to evaluate the efficacy of immobilized-metal affinity chromatography (IMAC) for separation of HCPs from anti-HER2 single chain fragment variable (scFv) expressed in E. coli. This study explored how different purification conditions including native, denaturing and hybrid affect HCP level in purified anti-HER2 scFv. Furthermore, the effects of NaCl concentration in wash buffer as well as imidazole concentration in wash and elution buffer on purification yield and HCP level in purified anti-HER2 scFv were evaluated. It was found that increasing imidazole concentration in wash and elution buffers in native conditions reduced the yield of anti-HER2 scFv purification. However, enhancing NaCl concentration in wash buffer in purification under native conditions led to significant increase in the amount of anti-HER2 scFv without any change in protein purity. Herein, none of the IMAC purification methods conducted on soluble cytoplasmic proteins under native conditions could reduce the amount of HCP to acceptable level. HCP content was only lowered to ˂ 10 ppm when inclusion bodies were purified under hybrid conditions. Furthermore, increasing imidazole concentration in wash buffer in purification under hybrid conditions led to significant increase in eluted anti-HER2 scFv concentration, while HCP content was also increased in this condition. Overall, purification under hybrid conditions using wash buffer containing 40 mM imidazole resulted in the highest yield and acceptable level of HCP.
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Affiliation(s)
- Saba Soltaninasab
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Ahmadzadeh
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soraya Shahhosseini
- School of Pharmacy, Pharmaceutical Chemistry and Radiopharmacy Department and Protein Technology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Elham Mohit
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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López-Laguna H, Voltà-Durán E, Parladé E, Villaverde A, Vázquez E, Unzueta U. Insights on the emerging biotechnology of histidine-rich peptides. Biotechnol Adv 2021; 54:107817. [PMID: 34418503 DOI: 10.1016/j.biotechadv.2021.107817] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 07/16/2021] [Accepted: 08/16/2021] [Indexed: 02/07/2023]
Abstract
In the late 70's, the discovery of the restriction enzymes made possible the biological production of functional proteins by recombinant DNA technologies, a fact that largely empowered both biotechnological and pharmaceutical industries. Short peptides or small protein domains, with specific molecular affinities, were developed as purification tags in downstream processes to separate the target protein from the culture media or cell debris, upon breaking the producing cells. Among these tags, and by exploiting the interactivity of the imidazole ring of histidine residues, the hexahistidine peptide (H6) became a gold standard. Although initially used almost exclusively in protein production, H6 and related His-rich peptides are progressively proving a broad applicability in novel utilities including enzymatic processes, advanced drug delivery systems and diagnosis, through a so far unsuspected adaptation of their binding capabilities. In this context, the coordination of histidine residues and metals confers intriguing functionalities to His-rich sequences useable in the forward-thinking design of protein-based nano- and micro-materials and devices, through strategies that are comprehensively presented here.
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Affiliation(s)
- Hèctor López-Laguna
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Eric Voltà-Durán
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Eloi Parladé
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Antonio Villaverde
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain.
| | - Esther Vázquez
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain.
| | - Ugutz Unzueta
- Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain; Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Antoni Mª Claret 167, 08025 Barcelona, Spain.
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25
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Wang F, Yu Q, Hu M, Xing G, Zhao D, Zhang G. Purification of Classical Swine Fever Virus E2 Subunit Vaccines Based on High Affinity Peptide Ligand. Protein Pept Lett 2021; 28:554-562. [PMID: 33143607 DOI: 10.2174/0929866527666201103152100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/23/2020] [Accepted: 09/28/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND The purification of expressed proteins is the most critical part of subunit-- vaccine production. Protein-purification methods such as affinity chromatography and ion exchange still have the shortcomings of being time consuming and complicated. With the rapid development of computational molecular-simulation technology, structure-based peptide-ligand design has become feasible. Objection: We aimed to apply molecular docking for a peptide ligand designed for classical swine fever virus (CSFV) E2 purification. METHODS Computational-derived peptides were synthesized, and the in vitro binding interaction with E2 was investigated. The effects of purification on E2 were also evaluated. RESULTS The best peptide recognizing E2 was P6, which had a sequence of KKFYWRYWEH. Based on kinetic surface plasmon resonance (SPR) analysis, the apparent affinity constant of P6 was found to be 148 nM. Importantly, P6 showed suitable binding affinity and specificity for E2 purification from transgenic rice seeds. Evaluation of immune antibodies in mice showed that the antibody- blocking rate on day 42 after inoculation reached 86.18% and 90.68%. CONCLUSION The computational-designed peptide in this study has high sensitivity and selectivity and is thus useful for the purification of CSFV E2. The novel method of design provided a broad platform and powerful tool for protein-peptide screening, as well as new insights into CSFV vaccine design.
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Affiliation(s)
- Fangyu Wang
- Henan Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Qiuying Yu
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Man Hu
- Henan Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Guangxu Xing
- Henan Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Dong Zhao
- Henan Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Gaiping Zhang
- Henan Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
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26
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Mishra V. Affinity Tags for Protein Purification. Curr Protein Pept Sci 2021; 21:821-830. [PMID: 32504500 DOI: 10.2174/1389203721666200606220109] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 04/09/2020] [Accepted: 05/06/2020] [Indexed: 11/22/2022]
Abstract
The affinity tags are unique proteins/peptides that are attached at the N- or C-terminus of the recombinant proteins. These tags help in protein purification. Additionally, some affinity tags also serve a dual purpose as solubility enhancers for challenging protein targets. By applying a combinatorial approach, carefully chosen affinity tags designed in tandem have proven to be very successful in the purification of single proteins or multi-protein complexes. In this mini-review, the key features of the most commonly used affinity tags are discussed. The affinity tags have been classified into two significant categories, epitope tags, and protein/domain tags. The epitope tags are generally small peptides with high affinity towards a chromatography resin. The protein/domain tags often perform double duty as solubility enhancers as well as aid in affinity purification. Finally, protease-based affinity tag removal strategies after purification are discussed.
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Affiliation(s)
- Vibhor Mishra
- Department of Biology, Indiana University, Bloomington, IN 47405, USA,Howard Hughes Medical Institute, Indiana University, Bloomington, IN 47405, USA
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27
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Yoshimatsu K, Fruehauf KR, Zhu Q, Weisman A, Fan J, Xue M, Beierle JM, Rose PE, Aral J, Epstein LF, Tagari P, Miranda LP, Shea KJ. Metal-Free Polymer-Based Affinity Medium for Selective Purification of His6-Tagged Proteins. Biomacromolecules 2021; 22:1695-1705. [PMID: 33783189 DOI: 10.1021/acs.biomac.1c00119] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
We report a metal free synthetic hydrogel copolymer with affinity and selectivity for His6-tagged peptides and proteins. Small libraries of copolymers incorporating charged and hydrophobic functional groups were screened by an iterative process for His6 peptide affinity. The monomer selection was guided by interactions found in the crystal structure of an anti-His tag antibody-His6 peptide antigen complex. Synthetic copolymers incorporating a phenylalanine-derived monomer were found to exhibit strong affinity for both His6-containing peptides and proteins. The proximity of both aromatic and negatively charged functional groups were important factors for the His6 affinity of hydrogel copolymers. His6 affinity was not compromised by the presence of enzyme cleavage sequences. The His6-copolymer interactions are pH sensitive: the copolymer selectively captured His6 peptides at pH 7.8 while the interactions were substantially weakened at pH 8.6. This provided mild conditions for releasing His6-tagged proteins from the copolymer. Finally, a synthetic copolymer coated chromatographic medium was prepared and applied to the purification of a His6-tagged protein from an E. coli expression system. The results establish that a synthetic copolymer-based affinity medium can function as an effective alternative to immobilized metal ion columns for the purification of His6-tagged proteins.
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Affiliation(s)
- Keiichi Yoshimatsu
- Department of Chemistry, University of California, Irvine, California 92697, United States.,Department of Chemistry, Missouri State University, 901 South National Avenue, Springfield, Missouri 65897, United States
| | - Krista R Fruehauf
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Quanhong Zhu
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Adam Weisman
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Jun Fan
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Min Xue
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - John M Beierle
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Paul E Rose
- Therapeutic Discovery, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States
| | - Jennifer Aral
- Therapeutic Discovery, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States
| | - Linda F Epstein
- Therapeutic Discovery, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States
| | - Philip Tagari
- Therapeutic Discovery, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States
| | - Les P Miranda
- Therapeutic Discovery, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States
| | - Kenneth J Shea
- Department of Chemistry, University of California, Irvine, California 92697, United States
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28
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Fogeron ML, Lecoq L, Cole L, Harbers M, Böckmann A. Easy Synthesis of Complex Biomolecular Assemblies: Wheat Germ Cell-Free Protein Expression in Structural Biology. Front Mol Biosci 2021; 8:639587. [PMID: 33842544 PMCID: PMC8027086 DOI: 10.3389/fmolb.2021.639587] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 01/20/2021] [Indexed: 12/18/2022] Open
Abstract
Cell-free protein synthesis (CFPS) systems are gaining more importance as universal tools for basic research, applied sciences, and product development with new technologies emerging for their application. Huge progress was made in the field of synthetic biology using CFPS to develop new proteins for technical applications and therapy. Out of the available CFPS systems, wheat germ cell-free protein synthesis (WG-CFPS) merges the highest yields with the use of a eukaryotic ribosome, making it an excellent approach for the synthesis of complex eukaryotic proteins including, for example, protein complexes and membrane proteins. Separating the translation reaction from other cellular processes, CFPS offers a flexible means to adapt translation reactions to protein needs. There is a large demand for such potent, easy-to-use, rapid protein expression systems, which are optimally serving protein requirements to drive biochemical and structural biology research. We summarize here a general workflow for a wheat germ system providing examples from the literature, as well as applications used for our own studies in structural biology. With this review, we want to highlight the tremendous potential of the rapidly evolving and highly versatile CFPS systems, making them more widely used as common tools to recombinantly prepare particularly challenging recombinant eukaryotic proteins.
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Affiliation(s)
- Marie-Laure Fogeron
- Molecular Microbiology and Structural Biochemistry, Labex Ecofect, UMR 5086 CNRS/Université de Lyon, Lyon, France
| | - Lauriane Lecoq
- Molecular Microbiology and Structural Biochemistry, Labex Ecofect, UMR 5086 CNRS/Université de Lyon, Lyon, France
| | - Laura Cole
- Molecular Microbiology and Structural Biochemistry, Labex Ecofect, UMR 5086 CNRS/Université de Lyon, Lyon, France
| | - Matthias Harbers
- CellFree Sciences, Yokohama, Japan
- RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Japan
| | - Anja Böckmann
- Molecular Microbiology and Structural Biochemistry, Labex Ecofect, UMR 5086 CNRS/Université de Lyon, Lyon, France
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29
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Cai L, Chu Y, Liu X, Qiu Y, Ge Z, Zhang G. A novel all-in-one strategy for purification and immobilization of β-1,3-xylanase directly from cell lysate as active and recyclable nanobiocatalyst. Microb Cell Fact 2021; 20:37. [PMID: 33549102 PMCID: PMC7866670 DOI: 10.1186/s12934-021-01530-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 01/25/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Exploring a simple and versatile technique for direct immobilization of target enzymes from cell lysate without prior purification is urgently needed. Thus, a novel all-in-one strategy for purification and immobilization of β-1,3-xylanase was proposed, the target enzymes were covalently immobilized on silica nanoparticles via elastin-like polypeptides (ELPs)-based biomimetic silicification and SpyTag/SpyCatcher spontaneous reaction. Thus, the functional carriers that did not require the time-consuming surface modification step were quickly and efficiently prepared. These carriers could specifically immobilize the SpyTag-fused target enzymes from the cell lysate without pre-purification. RESULTS The ELPs-SpyCatcher hardly leaked from the carriers (0.5%), and the immobilization yield of enzyme was up to 96%. Immobilized enzyme retained 85.6% of the initial activity and showed 88.6% of the activity recovery. Compared with free ones, the immobilized β-1,3-xylanase showed improved thermal stability, elevated storage stability and good pH tolerance. It also retained more than 70.6% of initial activity after 12 reaction cycles, demonstrating its excellent reusability. CONCLUSIONS The results clearly highlighted the effectiveness of the novel enzyme immobilization method proposed here due to the improvement of overall performance of immobilized enzyme in respect to free form for the hydrolysis of macromolecular substrates. Thus, it may have great potential in the conversion of algae biomass as well as other related fields.
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Affiliation(s)
- Lixi Cai
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen, 361021, Fujian, China.,Faculty of Basic Medicine, Putian University, Putian, 351100, Fujian, China
| | - Yunmen Chu
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen, 361021, Fujian, China
| | - Xin Liu
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen, 361021, Fujian, China
| | - Yue Qiu
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen, 361021, Fujian, China
| | - Zhongqi Ge
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen, 361021, Fujian, China
| | - Guangya Zhang
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen, 361021, Fujian, China.
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30
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Geny S, Pichard S, Poterszman A, Concordet JP. Gene Tagging with the CRISPR-Cas9 System to Facilitate Macromolecular Complex Purification. Methods Mol Biol 2021; 2305:153-174. [PMID: 33950389 DOI: 10.1007/978-1-0716-1406-8_8] [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] [Indexed: 10/21/2022]
Abstract
The need to generate modified cell lines that express tagged proteins of interest has become increasingly important. Here, we describe a detailed protocol for facile CRISPR/Cas9-mediated gene tagging and isolation of modified cells. In this protocol, we combine two previously published strategies that promote CRISPR/Cas9-mediated gene tagging: using chemically modified single-stranded oligonucleotides as donor templates and a co-selection strategy targeting the ATP1A1 gene at the same time as the gene of interest. Altogether, the protocol proposed here is both easier and saves time compared to other approaches for generating cells that express tagged proteins of interest, which is crucial to purify native complex from human cells.
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Affiliation(s)
- Sylvain Geny
- Laboratoire Structure et Instabilité des Génomes, Inserm U1154, CNRS UMR 7196, Museum National d'Histoire Naturelle, Paris, France
| | - Simon Pichard
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Integrated Structural Biology, Equipe labellisée Ligue Contre le Cancer, Illkirch, France
- Centre National de la Recherche Scientifique, UMR7104, Illkirch, France
- Institut National de la Santé et de la Recherche Médicale, U1258, Illkirch, France
- Université de Strasbourg, Illkirch, France
| | - Arnaud Poterszman
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Integrated Structural Biology, Equipe labellisée Ligue Contre le Cancer, Illkirch, France.
- Centre National de la Recherche Scientifique, UMR7104, Illkirch, France.
- Institut National de la Santé et de la Recherche Médicale, U1258, Illkirch, France.
- Université de Strasbourg, Illkirch, France.
| | - Jean-Paul Concordet
- Laboratoire Structure et Instabilité des Génomes, Inserm U1154, CNRS UMR 7196, Museum National d'Histoire Naturelle, Paris, France.
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31
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Nilvebrant J, Åstrand M, Hober S. An Orthogonal Fusion Tag for Efficient Protein Purification. Methods Mol Biol 2021; 2178:159-166. [PMID: 33128750 DOI: 10.1007/978-1-0716-0775-6_13] [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] [Indexed: 06/11/2023]
Abstract
In this chapter, we present an efficient method for stringent protein purification facilitated by a dual affinity tag referred to as ABDz1, which is based on a 5 kDa albumin-binding domain from Streptococcal Protein G. The small fusion tag enables an orthogonal affinity purification approach based on two successive and highly specific affinity purification steps. This approach is enabled by native binding of ABDz1 to human serum albumin and engineered binding to Staphylococcal Protein A, respectively. The ABDz1-tag can be fused to either terminus of a protein of interest and the purification steps can be carried out using standard laboratory equipment.
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Affiliation(s)
- Johan Nilvebrant
- Division of Protein Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH/AlbaNova University Center, Stockholm, Sweden
| | - Mikael Åstrand
- Division of Protein Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH/AlbaNova University Center, Stockholm, Sweden
| | - Sophia Hober
- Department of Protein Science, KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry Biotechnology and Health (CBH), AlbaNova University Center, Stockholm, Sweden.
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32
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Mahmoudi Gomari M, Saraygord-Afshari N, Farsimadan M, Rostami N, Aghamiri S, Farajollahi MM. Opportunities and challenges of the tag-assisted protein purification techniques: Applications in the pharmaceutical industry. Biotechnol Adv 2020; 45:107653. [PMID: 33157154 DOI: 10.1016/j.biotechadv.2020.107653] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 10/22/2020] [Accepted: 10/29/2020] [Indexed: 01/16/2023]
Abstract
Tag-assisted protein purification is a method of choice for both academic researches and large-scale industrial demands. Application of the purification tags in the protein production process can help to save time and cost, but the design and application of tagged fusion proteins are challenging. An appropriate tagging strategy must provide sufficient expression yield and high purity for the final protein products while preserving their native structure and function. Thanks to the recent advances in the bioinformatics and emergence of high-throughput techniques (e.g. SEREX), many new tags are introduced to the market. A variety of interfering and non-interfering tags have currently broadened their application scope beyond the traditional use as a simple purification tool. They can take part in many biochemical and analytical features and act as solubility and protein expression enhancers, probe tracker for online visualization, detectors of post-translational modifications, and carrier-driven tags. Given the variability and growing number of the purification tags, here we reviewed the protein- and peptide-structured purification tags used in the affinity, ion-exchange, reverse phase, and immobilized metal ion affinity chromatographies. We highlighted the demand for purification tags in the pharmaceutical industry and discussed the impact of self-cleavable tags, aggregating tags, and nanotechnology on both the column-based and column-free purification techniques.
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Affiliation(s)
- Mohammad Mahmoudi Gomari
- Department of Medical Biotechnology, Faculty of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Neda Saraygord-Afshari
- Department of Medical Biotechnology, Faculty of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran.
| | - Marziye Farsimadan
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Neda Rostami
- Department of Chemical Engineering, Faculty of Engineering, Arak University, Iran
| | - Shahin Aghamiri
- Student research committee, Department of medical biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad M Farajollahi
- Department of Medical Biotechnology, Faculty of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
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33
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Gómez-Arribas LN, Darder MDM, García N, Rodriguez Y, Urraca JL, Moreno-Bondi MC. Hierarchically Imprinted Polymer for Peptide Tag Recognition Based on an Oriented Surface Epitope Approach. ACS APPLIED MATERIALS & INTERFACES 2020; 12:49111-49121. [PMID: 32990425 DOI: 10.1021/acsami.0c14846] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
FLAG tag (DYKDDDDK) is a short peptide commonly used for the purification of recombinant proteins. The high price of the affinity columns and their limited reusability are a shortcoming for their widespread use in biotechnology applications. Molecularly imprinted polymers (MIPs) can circumvent some of the limitations of bioaffinity columns for such applications, including long-term stability, reusability, and cost. We report herein the synthesis of MIPs selective to the FLAG tag by hierarchical imprinting. Using the epitope imprinting approach, a 5-amino acid peptide DYKDC was selected as a template and was covalently immobilized on the surface of microporous silica beads, previously functionalized with different aminosilanes, namely, 3-(2-aminoethylamino)propyldimethoxymethylsilane, AEAPMS, and N-(2-aminoethyl)-2,2,4-trimethyl-1-aza-2-silacyclopentane, AETAZS. We investigated the effect of the type of silane on the production of homogeneous silane-grafted layers with the highest extent of silanol condensation as possible using 29Si CP/MAS NMR. We observed that the right orientation of the imprinted cavities can substantially improve analyte recoveries from the MIP. After template and silica removal, the DYKDC-MIPs were used as sorbents for solid-phase extraction (molecularly imprinted solid-phase extraction) of the FLAG peptide, showing that the polymer prepared with AETAZS-bound silica beads contained binding sites more selective to the tag (RMIP-AZA = 87.4% vs RNIP-AZA = 4.1%, n = 3, RSD ≤ 4.2%) than those prepared using AEAPMS (RMIP-DM = 73.4% vs RNIP-DM = 23.2%, n = 3, RSD ≤ 4.0%) as a functionalization agent. An extensive computational molecular modeling study was also conducted, shedding some light on the interaction mechanism between the FLAG peptide and the imprinted template in the binding cavities.
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Affiliation(s)
- Lidia N Gómez-Arribas
- Chemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Madrid 28040, Spain
| | - María Del Mar Darder
- Chemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Madrid 28040, Spain
| | - Nuria García
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), Calle Juan de la Cierva 3, Madrid 28006, Spain
| | - Yoel Rodriguez
- Department of Natural Sciences, Hostos Community College of CUNY, 500 Grand Concourse, Bronx, New York 10451 New York, United States
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, 1425 Madison Avenue, New York 10029 New York, United States
| | - Javier L Urraca
- Chemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Madrid 28040, Spain
| | - María C Moreno-Bondi
- Chemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Madrid 28040, Spain
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34
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Lin Y, Qiu Y, Cai L, Zhang G. Investigation of the ELP-Mediated Silicification-Based Protein Self-Immobilization Using an Acidic Target Enzyme. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c03111] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yuanqing Lin
- The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong, China
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China
| | - Yue Qiu
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China
| | - Lixi Cai
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China
| | - Guangya Zhang
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China
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35
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Öhlknecht C, Petrov D, Engele P, Kröß C, Sprenger B, Fischer A, Lingg N, Schneider R, Oostenbrink C. Enhancing the promiscuity of a member of the Caspase protease family by rational design. Proteins 2020; 88:1303-1318. [PMID: 32432825 PMCID: PMC7497161 DOI: 10.1002/prot.25950] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 03/19/2020] [Accepted: 04/29/2020] [Indexed: 12/12/2022]
Abstract
The N-terminal cleavage of fusion tags to restore the native N-terminus of recombinant proteins is a challenging task and up to today, protocols need to be optimized for different proteins individually. Within this work, we present a novel protease that was designed in-silico to yield enhanced promiscuity toward different N-terminal amino acids. Two mutations in the active-site amino acids of human Caspase-2 were determined to increase the recognition of branched amino-acids, which show only poor binding capabilities in the unmutated protease. These mutations were determined by sequential and structural comparisons of Caspase-2 and Caspase-3 and their effect was additionally predicted using free-energy calculations. The two mutants proposed in the in-silico studies were expressed and in-vitro experiments confirmed the simulation results. Both mutants showed not only enhanced activities toward branched amino acids, but also smaller, unbranched amino acids. We believe that the created mutants constitute an important step toward generalized procedures to restore original N-termini of recombinant fusion proteins.
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Affiliation(s)
- Christoph Öhlknecht
- Institute of Molecular Modeling and SimulationUniversity of Natural Resources and Life SciencesViennaAustria
- Austrian Centre of Industrial BiotechnologyViennaAustria
| | - Drazen Petrov
- Institute of Molecular Modeling and SimulationUniversity of Natural Resources and Life SciencesViennaAustria
| | - Petra Engele
- Institute of Biochemistry and Center of Molecular Biosciences InnsbruckUniversity of InnsbruckInnsbruckAustria
- Austrian Centre of Industrial BiotechnologyViennaAustria
| | - Christina Kröß
- Institute of Biochemistry and Center of Molecular Biosciences InnsbruckUniversity of InnsbruckInnsbruckAustria
- Austrian Centre of Industrial BiotechnologyViennaAustria
| | - Bernhard Sprenger
- Institute of Biochemistry and Center of Molecular Biosciences InnsbruckUniversity of InnsbruckInnsbruckAustria
- Austrian Centre of Industrial BiotechnologyViennaAustria
| | | | - Nico Lingg
- Austrian Centre of Industrial BiotechnologyViennaAustria
| | - Rainer Schneider
- Institute of Biochemistry and Center of Molecular Biosciences InnsbruckUniversity of InnsbruckInnsbruckAustria
| | - Chris Oostenbrink
- Institute of Molecular Modeling and SimulationUniversity of Natural Resources and Life SciencesViennaAustria
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Sampaio de Oliveira KB, Leite ML, Rodrigues GR, Duque HM, da Costa RA, Cunha VA, de Loiola Costa LS, da Cunha NB, Franco OL, Dias SC. Strategies for recombinant production of antimicrobial peptides with pharmacological potential. Expert Rev Clin Pharmacol 2020; 13:367-390. [PMID: 32357080 DOI: 10.1080/17512433.2020.1764347] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION The need to develop new drugs for the control of pathogenic microorganisms has redoubled efforts to prospect for antimicrobial peptides (AMPs) from natural sources and to characterize its structure and function. These molecules present a broad spectrum of action against different microorganisms and frequently present promiscuous action, with anticancer and immunomodulatory activities. Furthermore, AMPs can be used as biopharmaceuticals in the treatment of hospital-acquired infections and other serious diseases with relevant social and economic impacts.Areas covered: The low yield and the therefore difficult extraction and purification process in AMPs are problems that limit their industrial application and scientific research. Thus, optimized heterologous expression systems were developed to significantly boost AMP yields, allow high efficiency in purification and structural optimization for the increase of therapeutic activity.Expert opinion: This review provides an update on recent developments in the recombinant production of ribosomal and non-ribosomal synthesis of AMPs and on strategies to increase the expression of genes encoding AMPs at the transcriptional and translational levels and regulation of the post-translational modifications. Moreover, there are detailed reports of AMPs that have already reached marketable status or are in the pipeline under advanced stages of preclinical testing.
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Affiliation(s)
- Kamila Botelho Sampaio de Oliveira
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Michel Lopes Leite
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Gisele Regina Rodrigues
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Harry Morales Duque
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Rosiane Andrade da Costa
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Victor Albuquerque Cunha
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Lorena Sousa de Loiola Costa
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Nicolau Brito da Cunha
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil
| | - Octavio Luiz Franco
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil.,Universidade de Brasília, Pós-graduação em Patologia Molecular, Campus Darcy Ribeiro , Brasília, Brazil.,S-Inova Biotech, Pós-graduação em Biotecnologia, Universidade Católica Dom Bosco , Campo Grande, Mato Grosso do Sul, Brazil
| | - Simoni Campos Dias
- Centro de Análises Proteômicas e Bioquímicas, Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília , Brasília, Brazil.,Universidade de Brasília, Pós-graduação em Biologia Animal, Campus Darcy Ribeiro , Brasília, Brazil
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37
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Multi-instrumental approach to unravel molecular mechanisms of natural bioactive compounds: Case studies for flavonoids. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115865] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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38
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Abstract
Immuno-positron emission tomography (immunoPET) is a paradigm-shifting molecular imaging modality combining the superior targeting specificity of monoclonal antibody (mAb) and the inherent sensitivity of PET technique. A variety of radionuclides and mAbs have been exploited to develop immunoPET probes, which has been driven by the development and optimization of radiochemistry and conjugation strategies. In addition, tumor-targeting vectors with a short circulation time (e.g., Nanobody) or with an enhanced binding affinity (e.g., bispecific antibody) are being used to design novel immunoPET probes. Accordingly, several immunoPET probes, such as 89Zr-Df-pertuzumab and 89Zr-atezolizumab, have been successfully translated for clinical use. By noninvasively and dynamically revealing the expression of heterogeneous tumor antigens, immunoPET imaging is gradually changing the theranostic landscape of several types of malignancies. ImmunoPET is the method of choice for imaging specific tumor markers, immune cells, immune checkpoints, and inflammatory processes. Furthermore, the integration of immunoPET imaging in antibody drug development is of substantial significance because it provides pivotal information regarding antibody targeting abilities and distribution profiles. Herein, we present the latest immunoPET imaging strategies and their preclinical and clinical applications. We also emphasize current conjugation strategies that can be leveraged to develop next-generation immunoPET probes. Lastly, we discuss practical considerations to tune the development and translation of immunoPET imaging strategies.
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Affiliation(s)
- Weijun Wei
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
- Departments of Radiology and Medical Physics, University of Wisconsin-Madison, 1111 Highland Avenue, Room 7137, Madison, Wisconsin 53705, United States
| | - Zachary T Rosenkrans
- Department of Pharmaceutical Sciences, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
| | - Jianjun Liu
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Gang Huang
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
| | - Quan-Yong Luo
- Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Weibo Cai
- Departments of Radiology and Medical Physics, University of Wisconsin-Madison, 1111 Highland Avenue, Room 7137, Madison, Wisconsin 53705, United States
- Department of Pharmaceutical Sciences, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
- University of Wisconsin Carbone Cancer Center, Madison, Wisconsin 53705, United States
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39
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Zhou XF, Zhang CL, Gao XP, Wang WL, He ZF, Jiang FY, Pang YL, Li JH, Ren XJ, Zhou HB, Tan GQ, Lyu JX, Wang W. A simple and rapid protein purification method based on cell-surface display of SUMO-fused recombinant protein and Ulp1 protease. AMB Express 2020; 10:65. [PMID: 32266507 PMCID: PMC7138890 DOI: 10.1186/s13568-020-00999-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 03/26/2020] [Indexed: 11/23/2022] Open
Abstract
The development of novel methods for highly efficient protein purification remains a research focus in the biotechnology field because conventional purification approaches, including affinity purification, gel filtration, and ion-exchange chromatography, require complex manipulation steps and are costly. Here, we describe a simple and rapid protein purification strategy in which the SUMO tag and Ulp1 protease are surface-displayed separately on Escherichia coli cells. After protein induction, the cells are harvested, resuspended in cleavage buffer, and incubated together for cleavage. In this approach, the surface-displayed Ulp1 cleaves the membrane-anchored SUMO fusion protein, resulting in the release of the target protein from the C-terminal of SUMO into the solution. The bacterial cells harboring SUMO and Ulp1 on their surfaces can be easily removed by centrifugation. To evaluate the purification method, we used red fluorescent protein (mCherry). Purified mCherry protein (7.72 ± 1.05 mg from 1 L of bacterial culture) was obtained after only 30 min of incubation. The protein purity was higher than 80%, and could be further improved (> 90%) by simple ultrafiltration. This study offers a promising and simple strategy for the purification of recombinant protein in its native form that requires only cleavage and centrifugation steps.
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40
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Panahi M, Rahimi B, Rahimi G, Yew Low T, Saraygord-Afshari N, Alizadeh E. Cytoprotective effects of antioxidant supplementation on mesenchymal stem cell therapy. J Cell Physiol 2020; 235:6462-6495. [PMID: 32239727 DOI: 10.1002/jcp.29660] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 02/15/2020] [Indexed: 12/11/2022]
Abstract
Mesenchymal stem cells (MSCs) are earmarked as perfect candidates for cell therapy and tissue engineering due to their capacity to differentiate into different cell types. However, their potential for application in regenerative medicine declines when the levels of the reactive oxygen and nitrogen species (RONS) increase from the physiological levels, a phenomenon which is at least inevitable in ex vivo cultures and air-exposed damaged tissues. Increased levels of RONS can alter the patterns of osteogenic and adipogenic differentiation and inhibit proliferation, as well. Besides, oxidative stress enhances senescence and cell death, thus lowering the success rates of the MSC engraftment. Hence, in this review, we have selected some representatives of antioxidants and newly emerged nano antioxidants in three main categories, including chemical compounds, biometabolites, and protein precursors/proteins, which are proved to be effective in the treatment of MSCs. We will focus on how antioxidants can be applied to optimize the clinical usage of the MSCs and their associated signaling pathways. We have also reviewed several paralleled properties of some antioxidants and nano antioxidants which can be simultaneously used in real-time imaging, scaffolding techniques, and other applications in addition to their primary antioxidative function.
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Affiliation(s)
- Mohammad Panahi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Bahareh Rahimi
- Department of Medical Biotechnology, Faculty of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Golbarg Rahimi
- Department of Cellular and Molecular Biology, University of Esfahan, Esfahan, Iran
| | - Teck Yew Low
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Neda Saraygord-Afshari
- Department of Medical Biotechnology, Faculty of Allied Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Effat Alizadeh
- Drug Applied Research Center and Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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41
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Sastoque A, Triana S, Ehemann K, Suarez L, Restrepo S, Wösten H, de Cock H, Fernández-Niño M, González Barrios AF, Celis Ramírez AM. New Therapeutic Candidates for the Treatment of Malassezia pachydermatis -Associated Infections. Sci Rep 2020; 10:4860. [PMID: 32184419 PMCID: PMC7078309 DOI: 10.1038/s41598-020-61729-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 02/24/2020] [Indexed: 11/26/2022] Open
Abstract
The opportunistic pathogen Malassezia pachydermatis causes bloodstream infections in preterm infants or individuals with immunodeficiency disorders and has been associated with a broad spectrum of diseases in animals such as seborrheic dermatitis, external otitis and fungemia. The current approaches to treat these infections are failing as a consequence of their adverse effects, changes in susceptibility and antifungal resistance. Thus, the identification of novel therapeutic targets against M. pachydermatis infections are highly relevant. Here, Gene Essentiality Analysis and Flux Variability Analysis was applied to a previously reported M. pachydermatis metabolic network to identify enzymes that, when absent, negatively affect biomass production. Three novel therapeutic targets (i.e., homoserine dehydrogenase (MpHSD), homocitrate synthase (MpHCS) and saccharopine dehydrogenase (MpSDH)) were identified that are absent in humans. Notably, L-lysine was shown to be an inhibitor of the enzymatic activity of MpHCS and MpSDH at concentrations of 1 mM and 75 mM, respectively, while L-threonine (1 mM) inhibited MpHSD. Interestingly, L- lysine was also shown to inhibit M. pachydermatis growth during in vitro assays with reference strains and canine isolates, while it had a negligible cytotoxic activity on HEKa cells. Together, our findings form the bases for the development of novel treatments against M. pachydermatis infections.
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Affiliation(s)
- Angie Sastoque
- Instituto de Biotecnología (IBUN), Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, 11001, Colombia
- Grupo de Investigación Celular y Molecular de Microorganismos Patógenos (CeMoP), Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, 111711, Colombia
- Grupo de Diseño de Productos y Procesos (GDPP), Departamento de Ingeniería Química, Universidad de los Andes, Bogotá, 111711, Colombia
| | - Sergio Triana
- Grupo de Investigación Celular y Molecular de Microorganismos Patógenos (CeMoP), Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, 111711, Colombia
- Grupo de Diseño de Productos y Procesos (GDPP), Departamento de Ingeniería Química, Universidad de los Andes, Bogotá, 111711, Colombia
- Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, 69117, Germany
- Collaboration for joint PhD degree between EMBL and Heidelberg University, Faculty of Biosciences, Heidelberg, Germany
| | - Kevin Ehemann
- Grupo de Investigación Celular y Molecular de Microorganismos Patógenos (CeMoP), Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, 111711, Colombia
| | - Lina Suarez
- Grupo de Diseño de Productos y Procesos (GDPP), Departamento de Ingeniería Química, Universidad de los Andes, Bogotá, 111711, Colombia
| | - Silvia Restrepo
- Laboratorio de Micología y Fitopatología (LAMFU), Departamento de Ingeniería Química, Universidad de los Andes, Bogotá, 111711, Colombia
| | - Han Wösten
- Microbiology, Department of Biology, Utrecht University, Utrecht, The Netherlands
| | - Hans de Cock
- Microbiology, Department of Biology, Utrecht University, Utrecht, The Netherlands
| | - Miguel Fernández-Niño
- Grupo de Diseño de Productos y Procesos (GDPP), Departamento de Ingeniería Química, Universidad de los Andes, Bogotá, 111711, Colombia
| | - Andrés Fernando González Barrios
- Grupo de Diseño de Productos y Procesos (GDPP), Departamento de Ingeniería Química, Universidad de los Andes, Bogotá, 111711, Colombia.
| | - Adriana Marcela Celis Ramírez
- Grupo de Investigación Celular y Molecular de Microorganismos Patógenos (CeMoP), Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, 111711, Colombia.
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42
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Hollingshead S, Liu JC. pH-Sensitive Mechanical Properties of Elastin-Based Hydrogels. Macromol Biosci 2020; 20:e1900369. [PMID: 32090483 DOI: 10.1002/mabi.201900369] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 01/23/2020] [Indexed: 01/23/2023]
Abstract
Ionizable amino acids in protein-based hydrogels can confer pH-responsive behavior. Because elastin-like polypeptides (ELPs) have an established sequence and can crosslink to form hydrogels, they are an ideal system for creating pH-sensitive materials. This study examines different parameters that might affect pH-sensitive behavior and characterizes the mechanical and physical properties between pH 3 and 11 of three ELP-based crosslinked hydrogels. The first finding is that varying the amount of crosslinker affects the overall stiffness and resilience of the hydrogels but does not strongly affect water content, swelling ratio, or pH sensitivity. Second, the choice of two popular tag sequences, which vary in histidine and aspartic acid content, does not have a strong effect on pH-sensitive properties. Last, selectively blocking lysine and tyrosine residues through acetylation significantly decreases the pH-sensitive zeta potential. Acetylated hydrogels also demonstrate different behavior at low pH values with reduced swelling, reduced water content, and higher stiffness. Overall, this work demonstrates that ELP hydrogels with ionizable groups are promising materials for environmentally-responsive applications such as drug delivery, tissue engineering, and microfluidics.
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Affiliation(s)
- Sydney Hollingshead
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN, 47907-2100, USA
| | - Julie C Liu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN, 47907-2100, USA.,Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, 47907-2032, USA
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43
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Hosseini ES, Zeinoddini M, Saeedinia AR, Babaeipour V. Optimization and One-Step Purification of Recombinant V Antigen Production from Yersinia pestis. Mol Biotechnol 2020; 62:177-184. [PMID: 31894514 PMCID: PMC7222043 DOI: 10.1007/s12033-019-00234-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
The purpose of this study was to develop an efficient and inexpensive method for the useful production of recombinant protein V antigen, an important virulence factor for Yersinia pestis. To this end, the synthetic gene encoding the V antigen was subcloned into the downstream of the intein (INT) and chitin-binding domain (CBD) from the pTXB1 vector using specific primers. In the following, the produced new plasmid, pTX-V, was transformed into E. coli ER2566 strain, and the expression accuracy was confirmed using electrophoresis and Western blotting. In addition, the effects of medium, inducer, and temperature on the enhancement of protein production were studied using the Taguchi method. Finally, the V antigen was purified by a chitin affinity column using INT and CBD tag. The expression was induced by 0.05 mM IPTG at 25 °C under optimal conditions including TB medium. It was observed that the expression of the V-INT–CBD fusion protein was successfully increased to more than 40% of the total protein. The purity of V antigen was as high as 90%. This result indicates that V antigen can be produced at low cost and subjected to one-step purification using a self-cleaving INT tag.
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Affiliation(s)
- Elahe Seyed Hosseini
- Faculty of Chemistry and Chemical Engineering, Malek Ashtar University of Technology, Tehran, Iran.,Gametogenesis Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Mehdi Zeinoddini
- Faculty of Chemistry and Chemical Engineering, Malek Ashtar University of Technology, Tehran, Iran. .,Gametogenesis Research Center, Kashan University of Medical Sciences, Kashan, Iran.
| | - Ali Reza Saeedinia
- Gametogenesis Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Valiollah Babaeipour
- Gametogenesis Research Center, Kashan University of Medical Sciences, Kashan, Iran
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44
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Sannikova EP, Cheperegin SE, Kozlov DG. Ubiquitin-Specific E. coli Proteinase Does Not Require the Obligatory Presence of Dipeptide GlyGly at Processing Site. APPL BIOCHEM MICRO+ 2019. [DOI: 10.1134/s0003683819090060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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45
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Fukuda E, Mori M, Shiku H, Miyahara Y, Kawamura Y, Ogawa K, Ogura T, Goshima N. Development of INSOL-tag for proteome-wide protein handling and its application in protein array analysis. Genes Cells 2019; 25:41-53. [PMID: 31733161 DOI: 10.1111/gtc.12735] [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: 10/16/2019] [Revised: 11/13/2019] [Accepted: 11/13/2019] [Indexed: 11/30/2022]
Abstract
Proteomic analysis requires protein tags that enable high-throughput handling; however, versatile tags that can be used in in vitro expression systems are currently lacking. In this study, we developed an insoluble protein tag, INSOL-tag, derived from human transcription factor MafG. The INSOL-tagged target protein is expressed in a eukaryotic in vitro expression system and recovered as a pellet following centrifugation at 19,000 × g for 20 min. Comparisons of the target protein recovery rates of GST-tag and INSOL-tag using 111 cytoplasmic proteins revealed a fourfold increase in the yield of INSOL-tagged proteins. Using 267 cancer antigens purified with INSOL-tag, we subsequently developed an INSOL-CTA array method, for profiling autoantibodies in sera of cancer patients. The detection limit of the array was approximately 11.1 pg IgG, and the correlation with ELISA was high (R2 = .993, .955). Moreover, when autoantibody profiling of digestive cancer patient sera was performed, antigen spreading was observed. These data suggest that INSOL-tag is a versatile tag that can insolubilize a wide range of target proteins. It is therefore expected to become a powerful tool in comprehensive protein preparation for protein arrays, antibody production, and mass spectrometry.
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Affiliation(s)
- Eriko Fukuda
- Molecular Profiling Research Center for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo, Japan.,Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Masatoshi Mori
- Molecular Profiling Research Center for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo, Japan
| | - Hiroshi Shiku
- Department of Immuno-Gene Therapy, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | - Yoshihiro Miyahara
- Department of Immuno-Gene Therapy, Mie University Graduate School of Medicine, Tsu, Mie, Japan
| | | | - Koji Ogawa
- Molecular Profiling Research Center for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo, Japan
| | - Toshihiko Ogura
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan
| | - Naoki Goshima
- Molecular Profiling Research Center for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Koto-ku, Tokyo, Japan
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46
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Meng L, Liu Y, Yin X, Zhou H, Wu J, Wu M, Yang L. Effects of His-tag on Catalytic Activity and Enantioselectivity of Recombinant Transaminases. Appl Biochem Biotechnol 2019; 190:880-895. [PMID: 31515673 DOI: 10.1007/s12010-019-03117-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 08/25/2019] [Indexed: 11/27/2022]
Abstract
Recombinant proteins were often expressed with His-tag to simplify the purification process. Among them, transaminase was mostly expressed with fusion tags and widely used in the production of numerous amino moieties. However, the existence of the His-tag has been reported to affect various properties of different recombinant enzymes, while the effect on transaminase was rarely studied. In this paper, we investigated the effect of His-tag on transaminase based on the various activities of 4-aminobutyrate-2-oxoglutarate transaminase (GabT) when it was expressed in vector pETDuet-1. We found that His-tag did not affect the enantioselectivity, but decreased the catalytic activity to different extents according to its existence and location. Native GabT maintained the highest catalytic activity; GabT with C-terminal His-tag showed slightly lower activity than native GabT but about 2.2-fold higher than GabT with N-terminal His-tag. Besides, other fusion tags like T7-tag and S-tag inserted between N-His-tag and GabT can relieve the decreasing effect of His-tag on GabT activity. Furthermore, whole cell catalytic activity of several transaminases was improved by deleting the N-terminal His-tag. This study provided a strategy for the efficient expression of recombinant transaminase with improved catalytic activity and might attract attention to the effect of His-tag on other enzymatic properties.
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Affiliation(s)
- Lijun Meng
- Institute of Biological Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yayun Liu
- Institute of Biological Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Xinjian Yin
- Institute of Biological Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Haisheng Zhou
- Institute of Biological Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jianping Wu
- Institute of Biological Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Mianbin Wu
- Institute of Biological Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Lirong Yang
- Institute of Biological Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
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47
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Li Y, Stern D, Lock LL, Mills J, Ou SH, Morrow M, Xu X, Ghose S, Li ZJ, Cui H. Emerging biomaterials for downstream manufacturing of therapeutic proteins. Acta Biomater 2019; 95:73-90. [PMID: 30862553 DOI: 10.1016/j.actbio.2019.03.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 02/26/2019] [Accepted: 03/06/2019] [Indexed: 12/23/2022]
Abstract
Downstream processing is considered one of the most challenging phases of industrial manufacturing of therapeutic proteins, accounting for a large portion of the total production costs. The growing demand for therapeutic proteins in the biopharmaceutical market in addition to a significant rise in upstream titers have placed an increasing burden on the downstream purification process, which is often limited by high cost and insufficient capacities. To achieve efficient production and reduced costs, a variety of biomaterials have been exploited to improve the current techniques and also to develop superior alternatives. In this work, we discuss the significance of utilizing traditional biomaterials in downstream processing and review the recent progress in the development of new biomaterials for use in protein separation and purification. Several representative methods will be highlighted and discussed in detail, including affinity chromatography, non-affinity chromatography, membrane separations, magnetic separations, and precipitation/phase separations. STATEMENT OF SIGNIFICANCE: Nowadays, downstream processing of therapeutic proteins is facing great challenges created by the rapid increase of the market size and upstream titers, starving for significant improvements or innovations in current downstream unit operations. Biomaterials have been widely used in downstream manufacturing of proteins and efforts have been continuously devoted to developing more advanced biomaterials for the implementation of more efficient and economical purification methods. This review covers recent advances in the development and application of biomaterials specifically exploited for various chromatographic and non-chromatographic techniques, highlighting several promising alternative strategies.
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Affiliation(s)
- Yi Li
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States
| | - David Stern
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States
| | - Lye Lin Lock
- Biologics Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, MA 01434, United States
| | - Jason Mills
- Biologics Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, MA 01434, United States
| | - Shih-Hao Ou
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States
| | - Marina Morrow
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States
| | - Xuankuo Xu
- Biologics Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, MA 01434, United States.
| | - Sanchayita Ghose
- Biologics Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, MA 01434, United States
| | - Zheng Jian Li
- Biologics Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, MA 01434, United States
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States; Department of Oncology and Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21205, United States.
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Microscopy examination of red blood and yeast cell agglutination induced by bacterial lectins. PLoS One 2019; 14:e0220318. [PMID: 31344098 PMCID: PMC6657890 DOI: 10.1371/journal.pone.0220318] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 07/12/2019] [Indexed: 01/01/2023] Open
Abstract
Lectins are a group of ubiquitous proteins which specifically recognize and reversibly bind sugar moieties of glycoprotein and glycolipid constituents on cell surfaces. The mutagenesis approach is often employed to characterize lectin binding properties. As lectins are not enzymes, it is not easy to perform a rapid specificity screening of mutants using chromogenic substrates. It is necessary to use different binding assays such as isothermal titration calorimetry (ITC), surface plasmon resonance (SPR), microscale thermophoresis (MST), enzyme-linked lectin assays (ELLA), or glycan arrays for their characterization. These methods often require fluorescently labeled proteins (MST), highly purified proteins (SPR) or high protein concentrations (ITC). Mutant proteins may often exhibit problematic behaviour, such as poor solubility or low stability. Lectin-based cell agglutination is a simple and low-cost technique which can overcome most of these problems. In this work, a modified method of the agglutination of human erythrocytes and yeast cells with microscopy detection was successfully used for a specificity study of the newly prepared mutant lectin RS-IIL_A22S, which experimentally completed studies on sugar preferences of lectins in the PA-IIL family. Results showed that the sensitivity of this method is comparable with ITC, is able to determine subtle differences in lectin specificity, and works directly in cell lysates. The agglutination method with microscopy detection was validated by comparison of the results with results obtained by agglutination assay in standard 96-well microtiter plate format. In contrast to this assay, the microscopic method can clearly distinguish between hemagglutination and hemolysis. Therefore, this method is suitable for examination of lectins with known hemolytic activity as well as mutant or uncharacterized lectins, which could damage red blood cells. This is due to the experimental arrangement, which includes very short sample incubation time in combination with microscopic detection of agglutinates, that are easily observed by a small portable microscope.
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Longo GS, Pérez-Chávez NA, Szleifer I. How protonation modulates the interaction between proteins and pH-responsive hydrogel films. Curr Opin Colloid Interface Sci 2019. [DOI: 10.1016/j.cocis.2018.11.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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50
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Lin Y, Jin W, Qiu Y, Zhang G. Programmable stimuli-responsive polypeptides for biomimetic synthesis of silica nanocomposites and enzyme self-immobilization. Int J Biol Macromol 2019; 134:1156-1169. [PMID: 31128196 DOI: 10.1016/j.ijbiomac.2019.05.159] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 05/21/2019] [Accepted: 05/21/2019] [Indexed: 12/26/2022]
Abstract
Bioinspired silicification is an attractive route for achieving unique silica nanocomposites. Herein, a novel, facile and inexpensive route for biosilica synthesis is developed using the stimuli-responsive elastin-like polypeptide (ELP). The ELP is precisely tailored to a silica-mineralizing peptide by programming it with lysine residues. The resulting cationic ELP[KV8F-40] is purified in ultrahigh yield using a chromatography-free ITC purification technique based on thermal-responsive property. Excitingly, the specific activity of ELP is 40-fold higher than that of silaffin. Besides, efficient and strong entrapment of ELP is achieved with over 98% of immobilization yield and less than 2% of leakage. These imply that cationic ELP may be used as a bifunctional tag (purification and immobilization) for fusion protein. An enzyme (xylanase) is therefore chosen to genetically fuse to ELP. The ELP-fused xylanase is purified by ELP with high purity (~98%) and enables the rapid (within minutes) self-immobilization. The immobilization yield was greater than 95%, and the immobilized xylanases hardly leaked from the silica matrix, demonstrating high efficiency of the self-immobilization process. The strategy developed here may provide a new opportunity for fabricating functional silica nanocomposites in a feasible and inexpensive pathway, which will have great potentials in the field of biotechnology.
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Affiliation(s)
- Yuanqing Lin
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China
| | - Wenhui Jin
- Third Institute of Oceanography, Ministry of Nature Resources, Xiamen 361005, Fujian, China
| | - Yue Qiu
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China
| | - Guangya Zhang
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China.
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