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Yan L, Zhang Y, Zhang Y, Chen Q, Zhang L, Han X, Yang Y, Zhang C, Liu Y, Yu R. Preparation and characterization of a novel humanized collagen III with repeated fragments of Gly300-Asp329. Protein Expr Purif 2024; 219:106473. [PMID: 38508543 DOI: 10.1016/j.pep.2024.106473] [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: 02/02/2024] [Revised: 03/12/2024] [Accepted: 03/16/2024] [Indexed: 03/22/2024]
Abstract
Recombinant human collagens have attracted intensive interest in the past two decades, demonstrating considerable potential in medicine, tissue engineering, and cosmetics. Several humanized recombinant collagens have been produced, exhibiting similar characteristics as the native species. To get insight into the structural and bioactive properties of different parts of collagen, in this study, the segment of Gly300-Asp329 of type III collagen was first adopted and repeated 18 times to prepare a novel recombinant collagen (named rhCLA). RhCLA was successfully expressed in E. coli, and a convenient separation procedure was established through reasonably combining alkaline precipitation and acid precipitation, yielding crude rhCLA with a purity exceeding 90%. Additionally, a polishing purification step utilizing cation exchange chromatography was developed, achieving rhCLA purity surpassing 98% and an overall recovery of approximately 120 mg/L culture. Simultaneously, the contents of endotoxin, nucleic acids, and host proteins were reduced to extremely low levels. This fragmented type III collagen displayed a triple-helical structure and gel-forming capability at low temperatures. Distinct fibrous morphology was also observed through TEM analysis. In cell experiments, rhCLA exhibited excellent biocompatibility and cell adhesion properties. These results provide valuable insights for functional studies of type III collagen and a reference approach for the large-scale production of recombinant collagens.
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Affiliation(s)
- Lingying Yan
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yao Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yuxiang Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Qiexin Chen
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Luyao Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Xiao Han
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yumo Yang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Chun Zhang
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China.
| | - Yongdong Liu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China.
| | - Rong Yu
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
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Zhao Z, Deng J, Fan D. Green biomanufacturing in recombinant collagen biosynthesis: trends and selection in various expression systems. Biomater Sci 2023; 11:5439-5461. [PMID: 37401335 DOI: 10.1039/d3bm00724c] [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: 07/05/2023]
Abstract
Collagen, classically derived from animal tissue, is an all-important protein material widely used in biomedical materials, cosmetics, fodder, food, etc. The production of recombinant collagen through different biological expression systems using bioengineering techniques has attracted significant interest in consideration of increasing market demand and the process complexity of extraction. Green biomanufacturing of recombinant collagen has become one of the focus topics. While the bioproduction of recombinant collagens (type I, II, III, etc.) has been commercialized in recent years, the biosynthesis of recombinant collagen is extremely challenging due to protein immunogenicity, yield, degradation, and other issues. The rapid development of synthetic biology allows us to perform a heterologous expression of proteins in diverse expression systems, thus optimizing the production and bioactivities of recombinant collagen. This review describes the research progress in the bioproduction of recombinant collagen over the past two decades, focusing on different expression systems (prokaryotic organisms, yeasts, plants, insects, mammalian and human cells, etc.). We also discuss the challenges and future trends in developing market-competitive recombinant collagens.
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Affiliation(s)
- Zilong Zhao
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China.
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China
| | - Jianjun Deng
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China.
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China
| | - Daidi Fan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China.
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China
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3
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Tian KK, Qian ZG, Xia XX. Synthetic biology-guided design and biosynthesis of protein polymers for delivery. Adv Drug Deliv Rev 2023; 194:114728. [PMID: 36791475 DOI: 10.1016/j.addr.2023.114728] [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: 07/23/2022] [Revised: 12/28/2022] [Accepted: 02/06/2023] [Indexed: 02/15/2023]
Abstract
Vehicles derived from genetically engineered protein polymers have gained momentum in the field of biomedical engineering due to their unique designability, remarkable biocompatibility and excellent biodegradability. However, the design and production of these protein polymers with on-demand sequences and supramolecular architectures remain underexplored, particularly from a synthetic biology perspective. In this review, we summarize the state-of-the art strategies for constructing the highly repetitive genes encoding the protein polymers, and highlight the advanced approaches for metabolically engineering expression hosts towards high-level biosynthesis of the target protein polymers. Finally, we showcase the typical protein polymers utilized to fabricate delivery vehicles.
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Affiliation(s)
- Kai-Kai Tian
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Zhi-Gang Qian
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Xiao-Xia Xia
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, People's Republic of China.
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Dupuis JH, Cheung LKY, Newman L, Dee DR, Yada RY. Precision cellular agriculture: The future role of recombinantly expressed protein as food. Compr Rev Food Sci Food Saf 2023; 22:882-912. [PMID: 36546356 DOI: 10.1111/1541-4337.13094] [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: 07/05/2022] [Revised: 11/16/2022] [Accepted: 11/27/2022] [Indexed: 12/24/2022]
Abstract
Cellular agriculture is a rapidly emerging field, within which cultured meat has attracted the majority of media attention in recent years. An equally promising area of cellular agriculture, and one that has produced far more actual food ingredients that have been incorporated into commercially available products, is the use of cellular hosts to produce soluble proteins, herein referred to as precision cellular agriculture (PCAg). In PCAg, specific animal- or plant-sourced proteins are expressed recombinantly in unicellular hosts-the majority of which are yeast-and harvested for food use. The numerous advantages of PCAg over traditional agriculture, including a smaller carbon footprint and more consistent products, have led to extensive research on its utility. This review is the first to survey proteins currently being expressed using PCAg for food purposes. A growing number of viable expression hosts and recent advances for increased protein yields and process optimization have led to its application for producing milk, egg, and muscle proteins; plant hemoglobin; sweet-tasting plant proteins; and ice-binding proteins. Current knowledge gaps present research opportunities for optimizing expression hosts, tailoring posttranslational modifications, and expanding the scope of proteins produced. Considerations for the expansion of PCAg and its implications on food regulation, society, ethics, and the environment are also discussed. Considering the current trajectory of PCAg, food proteins from any biological source can likely be expressed recombinantly and used as purified food ingredients to create novel and tailored food products.
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Affiliation(s)
- John H Dupuis
- Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Lennie K Y Cheung
- Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Lenore Newman
- Food and Agriculture Institute, University of the Fraser Valley, Abbotsford, British Columbia, Canada
| | - Derek R Dee
- Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Rickey Y Yada
- Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
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Ma L, Liang X, Yu S, Zhou J. Expression, characterization, and application potentiality evaluation of recombinant human-like collagen in Pichia pastoris. BIORESOUR BIOPROCESS 2022; 9:119. [PMID: 38647896 PMCID: PMC10992492 DOI: 10.1186/s40643-022-00606-3] [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: 08/08/2022] [Accepted: 10/20/2022] [Indexed: 11/18/2022] Open
Abstract
Collagen is a biofunctional protein that has been widely used in many fields, including but not limited to biomedical, cosmetics and skin care, food, and novel materials. Recombinant collagen has great potential as an alternative to collagen extracted from animals because it avoids the immune response, and the yield and properties are stable. However, challenges remain in the industrial application of recombinant collagen, including improving the expression yield, reducing the cost of purification for industry and expanding applications. In this study, a cloning and recombination method was used to heterologously express the recombinant human-like collagen (RHLC) in Pichia pastoris GS115 using the pPIC9k expression vector. The RHLC expression titre was 2.33 g/L via a 5-L fermenter, and the purification was completed within 48 h and was 98% pure. The characteristics of RHLC were investigated. Furthermore, potential applications for RHLC were explored, such as basal collagen sponge preparation, forming films with chitosan and production of collagen hydrolysed peptides. RHLC has various potential applications due to its triple helical structure, thermostability, good biocompatibility and film-forming ability.
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Affiliation(s)
- Lingling Ma
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China
| | - Xiaolin Liang
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China
| | - Shiqin Yu
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China
- Key Laboratory of Industrial Biotechnology, Ministry of Education and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China
- Engineering Research Center of Ministry of Education On Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Jingwen Zhou
- Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China.
- Key Laboratory of Industrial Biotechnology, Ministry of Education and School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China.
- Engineering Research Center of Ministry of Education On Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China.
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi, 214122, China.
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6
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Wegat V, Fabarius JT, Sieber V. Synthetic methylotrophic yeasts for the sustainable fuel and chemical production. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2022; 15:113. [PMID: 36273178 PMCID: PMC9587593 DOI: 10.1186/s13068-022-02210-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 09/25/2022] [Indexed: 11/13/2022]
Abstract
Global energy-related emissions, in particular carbon dioxide, are rapidly increasing. Without immediate and strong reductions across all sectors, limiting global warming to 1.5 °C and thus mitigating climate change is beyond reach. In addition to the expansion of renewable energies and the increase in energy efficiency, the so-called Carbon Capture and Utilization technologies represent an innovative approach for closing the carbon cycle and establishing a circular economy. One option is to combine CO2 capture with microbial C1 fermentation. C1-molecules, such as methanol or formate are considered as attractive alternative feedstock for biotechnological processes due to their sustainable production using only CO2, water and renewable energy. Native methylotrophic microorganisms can utilize these feedstock for the production of value-added compounds. Currently, constraints exist regarding the understanding of methylotrophic metabolism and the available genetic engineering tools are limited. For this reason, the development of synthetic methylotrophic cell factories based on the integration of natural or artificial methanol assimilation pathways in biotechnologically relevant microorganisms is receiving special attention. Yeasts like Saccharomyces cerevisiae and Yarrowia lipolytica are capable of producing important products from sugar-based feedstock and the switch to produce these in the future from methanol is important in order to realize a CO2-based economy that is independent from land use. Here, we review historical biotechnological applications, the metabolism and the characteristics of methylotrophic yeasts. Various studies demonstrated the production of a broad set of promising products from fine chemicals to bulk chemicals by applying methylotrophic yeasts. Regarding synthetic methylotrophy, the deep understanding of the methylotrophic metabolism serves as the basis for microbial strain engineering and paves the way towards a CO2-based circular bioeconomy. We highlight design aspects of synthetic methylotrophy and discuss the resulting chances and challenges using non-conventional yeasts as host organisms. We conclude that the road towards synthetic methylotrophic yeasts can only be achieved through a combination of methods (e.g., metabolic engineering and adaptive laboratory evolution). Furthermore, we presume that the installation of metabolic regeneration cycles such as supporting carbon re-entry towards the pentose phosphate pathway from C1-metabolism is a pivotal target for synthetic methylotrophy.
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Affiliation(s)
- Vanessa Wegat
- grid.469831.10000 0000 9186 607XFraunhofer Institute for Interfacial Engineering and Biotechnology, Straubing branch Biocat, Schulgasse 11a, 94315 Straubing, Germany ,grid.6936.a0000000123222966Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, 94315 Straubing, Germany
| | - Jonathan T. Fabarius
- grid.469831.10000 0000 9186 607XFraunhofer Institute for Interfacial Engineering and Biotechnology, Straubing branch Biocat, Schulgasse 11a, 94315 Straubing, Germany
| | - Volker Sieber
- grid.469831.10000 0000 9186 607XFraunhofer Institute for Interfacial Engineering and Biotechnology, Straubing branch Biocat, Schulgasse 11a, 94315 Straubing, Germany ,grid.6936.a0000000123222966Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, 94315 Straubing, Germany
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7
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Wu W, Kim JS, Bailey AO, Russell WK, Richards SJ, Chen T, Chen T, Chen Z, Liang B, Yamauchi M, Guo H. Comparative genomic and biochemical analyses identify a collagen galactosylhydroxylysyl glucosyltransferase from Acanthamoeba polyphaga mimivirus. Sci Rep 2022; 12:16806. [PMID: 36207453 PMCID: PMC9546862 DOI: 10.1038/s41598-022-21197-1] [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: 06/23/2022] [Accepted: 09/23/2022] [Indexed: 11/10/2022] Open
Abstract
Humans and Acanthamoeba polyphaga mimivirus share numerous homologous genes, including collagens and collagen-modifying enzymes. To explore this homology, we performed a genome-wide comparison between human and mimivirus using DELTA-BLAST (Domain Enhanced Lookup Time Accelerated BLAST) and identified 52 new putative mimiviral proteins that are homologous with human proteins. To gain functional insights into mimiviral proteins, their human protein homologs were organized into Gene Ontology (GO) and REACTOME pathways to build a functional network. Collagen and collagen-modifying enzymes form the largest subnetwork with most nodes. Further analysis of this subnetwork identified a putative collagen glycosyltransferase R699. Protein expression test suggested that R699 is highly expressed in Escherichia coli, unlike the human collagen-modifying enzymes. Enzymatic activity assay and mass spectrometric analyses showed that R699 catalyzes the glucosylation of galactosylhydroxylysine to glucosylgalactosylhydroxylysine on collagen using uridine diphosphate glucose (UDP-glucose) but no other UDP-sugars as a sugar donor, suggesting R699 is a mimiviral collagen galactosylhydroxylysyl glucosyltransferase (GGT). To facilitate further analysis of human and mimiviral homologous proteins, we presented an interactive and searchable genome-wide comparison website for quickly browsing human and Acanthamoeba polyphaga mimivirus homologs, which is available at RRID Resource ID: SCR_022140 or https://guolab.shinyapps.io/app-mimivirus-publication/ .
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Affiliation(s)
- Wenhui Wu
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, USA.,Markey Cancer Center, University of Kentucky, Lexington, KY, USA.,Arvinas, LLC, 5 Science Park, New Haven, CT, USA
| | - Jeong Seon Kim
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, USA.,Markey Cancer Center, University of Kentucky, Lexington, KY, USA
| | - Aaron O Bailey
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
| | - William K Russell
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
| | - Stephen J Richards
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, USA.,Markey Cancer Center, University of Kentucky, Lexington, KY, USA
| | - Tiantian Chen
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, USA.,Markey Cancer Center, University of Kentucky, Lexington, KY, USA
| | - Tingfei Chen
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, USA.,Markey Cancer Center, University of Kentucky, Lexington, KY, USA
| | - Zhenhang Chen
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Bo Liang
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, USA
| | - Mitsuo Yamauchi
- Division of Oral and Craniofacial Health Sciences, Adams School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Houfu Guo
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, USA. .,Markey Cancer Center, University of Kentucky, Lexington, KY, USA.
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Fang J, Ma Z, Liu D, Wang Z, Cheng S, Zheng S, Wu H, Xia P, Chen X, Yang R, Hao L, Zhang Y. Co-expression of recombinant human collagen α1(III) chain with viral prolyl 4-hydroxylase in Pichia pastoris GS115. Protein Expr Purif 2022; 201:106184. [PMID: 36191842 DOI: 10.1016/j.pep.2022.106184] [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: 05/27/2022] [Revised: 09/16/2022] [Accepted: 09/27/2022] [Indexed: 10/07/2022]
Abstract
The Collagen α1(Ш) chain (COL3A1) is an important structural protein on the surface of human skin. The activity of prolyl 4-hydroxylase (P4H) is crucial to maintaining the stable triple-helix structure and function of human COL3A1. To obtain hydroxylated human COL3A1, virus-derived P4H A085R was co-expressed with human COL3A1 in Pichia pastoris GS115. Colony PCR analysis and sequencing after transfection confirmed that the target gene was successfully inserted. Quantitative reverse transcription PCR (RT-qPCR) indicated that human COL3A1 and P4H A085R were expressed at mRNA levels in the clones. SDS-PAGE and Western blot analysis of supernatant from the recombinant methylotrophic yeast culture showed that recombinant human COL3A1 (rhCOL3A1) was secreted into the culture medium with an apparent molecular mass of approximately 130 kDa. It was observed that the amount of secreted rhCOL3A1 was highest at 120 h after induction. Furthermore, mass spectrometry analysis demonstrated that rhCOL3A1 was successfully expressed in P. pastoris. The His-tagged rhCOL3A1 protein was purified by Ni-affinity column chromatography.
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Affiliation(s)
- Jiayuan Fang
- College of Animal Science, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China
| | - Ze Ma
- College of Animal Science, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China
| | - Dongyue Liu
- Jilin Province Guoda Biological Engineering Co. LTD, 3999 Air Street, Changchun, Jilin, 130102, China
| | - Zhaoguo Wang
- College of Animal Science, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China
| | - Shuqin Cheng
- College of Veterinary Medicine, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China
| | - Shuo Zheng
- College of Animal Science, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China
| | - Hongyan Wu
- College of Animal Science, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China
| | - Peijun Xia
- College of Animal Science, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China
| | - Xi Chen
- College of Animal Science, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China
| | - Rui Yang
- College of Animal Science, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China
| | - Linlin Hao
- College of Animal Science, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China.
| | - Ying Zhang
- College of Animal Science, Jilin University, 5333 Xi'an Road, Changchun, Jilin, 130062, China
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Cosmetic Potential of a Recombinant 50 kDa Protein. COSMETICS 2022. [DOI: 10.3390/cosmetics9010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Collagen and its derivative proteins have been widely used as a major component for cosmetic formulations as a natural ingredient and moisturizer. Most commercially available collagens are animal-derived collagen type I and other forms of collagen, such as type III collagen, are far less prevalent in animals, making extraction and purification extremely difficult and expensive. Here, we report the production of a 50 kDa protein produced in yeast that is 100% identical to the N-terminus of the human type III collagen. This recombinant protein has a larger molecular weight than most incumbent recombinant collagen proteins available for personal care applications. We report the industrialization of both the fermentation and purification processes to produce a final recombinant protein product. This final protein product was shown to be safe for general applications to human skin and compatible with common formulation protocols, including ethanol-based formulations. This recombinant collagen type III protein was also shown to uniquely stimulate both collagen type I and type III production and secretion by primary human dermal fibroblasts. The unique combination of biostimulation, compatibility with beauty product formulations and demonstrated commercial production, make this novel recombinant type III collagen a good candidate for broad application in the cosmetics industry.
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10
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Xu Q, Torres JE, Hakim M, Babiak PM, Pal P, Battistoni CM, Nguyen M, Panitch A, Solorio L, Liu JC. Collagen- and hyaluronic acid-based hydrogels and their biomedical applications. MATERIALS SCIENCE & ENGINEERING. R, REPORTS : A REVIEW JOURNAL 2021; 146:100641. [PMID: 34483486 PMCID: PMC8409465 DOI: 10.1016/j.mser.2021.100641] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Hydrogels have been widely investigated in biomedical fields due to their similar physical and biochemical properties to the extracellular matrix (ECM). Collagen and hyaluronic acid (HA) are the main components of the ECM in many tissues. As a result, hydrogels prepared from collagen and HA hold inherent advantages in mimicking the structure and function of the native ECM. Numerous studies have focused on the development of collagen and HA hydrogels and their biomedical applications. In this extensive review, we provide a summary and analysis of the sources, features, and modifications of collagen and HA. Specifically, we highlight the fabrication, properties, and potential biomedical applications as well as promising commercialization of hydrogels based on these two natural polymers.
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Affiliation(s)
- Qinghua Xu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jessica E. Torres
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Mazin Hakim
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
| | - Paulina M Babiak
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Pallabi Pal
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Carly M Battistoni
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Michael Nguyen
- Department of Biomedical Engineering, University of California Davis, Davis, California 95616, United States
| | - Alyssa Panitch
- Department of Biomedical Engineering, University of California Davis, Davis, California 95616, United States
| | - Luis Solorio
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
| | - Julie C. Liu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
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11
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Synthesis and Assembly of Recombinant Collagen. Methods Mol Biol 2021. [PMID: 34472057 DOI: 10.1007/978-1-0716-1574-4_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Collagen represents the major structural protein of the extracellular matrix. The desired mechanical and biological performances of collagen that have led to its broad applications as a building block in a great deal of fields, such as tissue engineering, drug delivery, and nanodevices. The most direct way to obtain collagen is to separate and extract it from biological tissues, but these top-down methods are usually cumbersome, and the structure of collagen is usually destroyed during the preparation process. Moreover, there is currently no effective method to separate some scarce collagens (such as collagen from human beings). Alternatively, bottom-up assembly methods have been developed to obtain collagen assembly or their analogs. The collagen used in this type of method is usually obtained by genetic recombination. A distinct advantage of gene recombination is that the sequence structure of collagen can be directly customized, so its assembly mode can be regulated at the primary structure level, and then a collagen assembly with a predesigned configuration can be achieved. Additionally, insights into the assembly behavior of these specific structures provide a rational approach to understand the pathogenic mechanisms of collagen-associated diseases, such as diabetes. In this chapter, Type I collagen is used as an example to introduce the key methods and procedures of collagen recombination, and on this basis, we will introduce in detail the experimental protocols for further assembly of these recombinant proteins to specific structures, such as fibril.
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12
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Gibney R, Patterson J, Ferraris E. High-Resolution Bioprinting of Recombinant Human Collagen Type III. Polymers (Basel) 2021; 13:2973. [PMID: 34503013 PMCID: PMC8434404 DOI: 10.3390/polym13172973] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 08/27/2021] [Accepted: 08/28/2021] [Indexed: 12/13/2022] Open
Abstract
The development of commercial collagen inks for extrusion-based bioprinting has increased the amount of research on pure collagen bioprinting, i.e., collagen inks not mixed with gelatin, alginate, or other more common biomaterial inks. New printing techniques have also improved the resolution achievable with pure collagen bioprinting. However, the resultant collagen constructs still appear too weak to replicate dense collagenous tissues, such as the cornea. This work aims to demonstrate the first reported case of bioprinted recombinant collagen films with suitable optical and mechanical properties for corneal tissue engineering. The printing technology used, aerosol jet® printing (AJP), is a high-resolution printing method normally used to deposit conductive inks for electronic printing. In this work, AJP was employed to deposit recombinant human collagen type III (RHCIII) in overlapping continuous lines of 60 µm to form thin layers. Layers were repeated up to 764 times to result in a construct that was considered a few hundred microns thick when swollen. Samples were subsequently neutralised and crosslinked using EDC:NHS crosslinking. Nanoindentation and absorbance measurements were conducted, and the results show that the AJP-deposited RHCIII samples possess suitable mechanical and optical properties for corneal tissue engineering: an average effective elastic modulus of 506 ± 173 kPa and transparency ≥87% at all visible wavelengths. Circular dichroism showed that there was some loss of helicity of the collagen due to aerosolisation. SDS-PAGE and pepsin digestion were used to show that while some collagen is degraded due to aerosolisation, it remains an inaccessible substrate for pepsin cleavage.
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Affiliation(s)
- Rory Gibney
- Department of Mechanical Engineering, KU Leuven, Campus De Nayer, 2860 Sint-Katelijne-Waver, Belgium
- Department of Materials Engineering, KU Leuven, 3001 Leuven, Belgium
| | - Jennifer Patterson
- Department of Materials Engineering, KU Leuven, 3001 Leuven, Belgium
- Biomaterials and Regenerative Medicine Group, IMDEA Materials Institute, Getafe, 28906 Madrid, Spain
| | - Eleonora Ferraris
- Department of Mechanical Engineering, KU Leuven, Campus De Nayer, 2860 Sint-Katelijne-Waver, Belgium
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13
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Plant Recombinant Human Collagen Type I Hydrogels for Corneal Regeneration. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2021. [DOI: 10.1007/s40883-021-00220-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Abstract
Purpose
To determine feasibility of plant-derived recombinant human collagen type I (RHCI) for use in corneal regenerative implants
Methods
RHCI was crosslinked with 1-ethyl-3-(3-dimethyl aminopropyl) carbodiimide (EDC) and N-hydroxysuccinimide (NHS) to form hydrogels. Application of shear force to liquid crystalline RHCI aligned the collagen fibrils. Both aligned and random hydrogels were evaluated for mechanical and optical properties, as well as in vitro biocompatibility. Further evaluation was performed in vivo by subcutaneous implantation in rats and corneal implantation in Göttingen minipigs.
Results
Spontaneous crosslinking of randomly aligned RHCI (rRHCI) formed robust, transparent hydrogels that were sufficient for implantation. Aligning the RHCI (aRHCI) resulted in thicker collagen fibrils forming an opaque hydrogel with insufficient transverse mechanical strength for surgical manipulation. rRHCI showed minimal inflammation when implanted subcutaneously in rats. The corneal implants in minipigs showed that rRHCI hydrogels promoted regeneration of corneal epithelium, stroma, and nerves; some myofibroblasts were seen in the regenerated neo-corneas.
Conclusion
Plant-derived RHCI was used to fabricate a hydrogel that is transparent, mechanically stable, and biocompatible when grafted as corneal implants in minipigs. Plant-derived collagen is determined to be a safe alternative to allografts, animal collagens, or yeast-derived recombinant human collagen for tissue engineering applications. The main advantage is that unlike donor corneas or yeast-produced collagen, the RHCI supply is potentially unlimited due to the high yields of this production method.
Lay Summary
A severe shortage of human-donor corneas for transplantation has led scientists to develop synthetic alternatives. Here, recombinant human collagen type I made of tobacco plants through genetic engineering was tested for use in making corneal implants. We made strong, transparent hydrogels that were tested by implanting subcutaneously in rats and in the corneas of minipigs. We showed that the plant collagen was biocompatible and was able to stably regenerate the corneas of minipigs comparable to yeast-produced recombinant collagen that we previously tested in clinical trials. The advantage of the plant collagen is that the supply is potentially limitless.
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14
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Collagen analogs with phosphorylcholine are inflammation-suppressing scaffolds for corneal regeneration from alkali burns in mini-pigs. Commun Biol 2021; 4:608. [PMID: 34021240 PMCID: PMC8140136 DOI: 10.1038/s42003-021-02108-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 03/16/2021] [Indexed: 12/11/2022] Open
Abstract
The long-term survival of biomaterial implants is often hampered by surgery-induced inflammation that can lead to graft failure. Considering that most corneas receiving grafts are either pathological or inflamed before implantation, the risk of rejection is heightened. Here, we show that bioengineered, fully synthetic, and robust corneal implants can be manufactured from a collagen analog (collagen-like peptide-polyethylene glycol hybrid, CLP-PEG) and inflammation-suppressing polymeric 2-methacryloyloxyethyl phosphorylcholine (MPC) when stabilized with the triazine-based crosslinker 4-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride. The resulting CLP-PEG-MPC implants led to reduced corneal swelling, haze, and neovascularization in comparison to CLP-PEG only implants when grafted into a mini-pig cornea alkali burn model of inflammation over 12 months. Implants incorporating MPC allowed for faster nerve regeneration and recovery of corneal sensation. CLP-PEG-MPC implants appear to be at a more advanced stage of regeneration than the CLP-PEG only implants, as evidenced by the presence of higher amounts of cornea-specific type V collagen, and a corresponding decrease in the presence of extracellular vesicles and exosomes in the corneal stroma, in keeping with the amounts present in healthy, unoperated corneas.
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15
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Fassini D, Wilkie IC, Pozzolini M, Ferrario C, Sugni M, Rocha MS, Giovine M, Bonasoro F, Silva TH, Reis RL. Diverse and Productive Source of Biopolymer Inspiration: Marine Collagens. Biomacromolecules 2021; 22:1815-1834. [PMID: 33835787 DOI: 10.1021/acs.biomac.1c00013] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Marine biodiversity is expressed through the huge variety of vertebrate and invertebrate species inhabiting intertidal to deep-sea environments. The extraordinary variety of "forms and functions" exhibited by marine animals suggests they are a promising source of bioactive molecules and provides potential inspiration for different biomimetic approaches. This diversity is familiar to biologists and has led to intensive investigation of metabolites, polysaccharides, and other compounds. However, marine collagens are less well-known. This review will provide detailed insight into the diversity of collagens present in marine species in terms of their genetics, structure, properties, and physiology. In the last part of the review the focus will be on the most common marine collagen sources and on the latest advances in the development of innovative materials exploiting, or inspired by, marine collagens.
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Affiliation(s)
- Dario Fassini
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Iain C Wilkie
- Institute of Biodiversity Animal Health & Comparative Medicine, University of Glasgow, Glasgow G12 8QQ, Scotland
| | - Marina Pozzolini
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
| | - Cinzia Ferrario
- Dipartimento di Scienze e Politiche Ambientali, Università degli Studi di Milano, Milano, Italy, Center for Complexity & Biosystems, Dipartimento di Fisica, Università degli Studi di Milano, 20122 Milano, Italy
| | - Michela Sugni
- Dipartimento di Scienze e Politiche Ambientali, Università degli Studi di Milano, Milano, Italy, Center for Complexity & Biosystems, Dipartimento di Fisica, Università degli Studi di Milano, 20122 Milano, Italy
| | - Miguel S Rocha
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Marco Giovine
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Via Pastore 3, 16132 Genova, Italy
| | - Francesco Bonasoro
- Dipartimento di Scienze e Politiche Ambientali, Università degli Studi di Milano, Milano, Italy, Center for Complexity & Biosystems, Dipartimento di Fisica, Università degli Studi di Milano, 20122 Milano, Italy
| | - Tiago H Silva
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
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16
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Merrett K, Wan F, Lee CJ, Harden JL. Enhanced Collagen-like Protein for Facile Biomaterial Fabrication. ACS Biomater Sci Eng 2021; 7:1414-1427. [PMID: 33733733 DOI: 10.1021/acsbiomaterials.1c00069] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We present a collagen-mimetic protein of bacterial origin based upon a modified subdomain of the collagen-like Sc12 protein from Streptococcus pyogenes, as an alternative collagen-like biomaterial platform that is highly soluble, forms stable, homogeneous, fluid-like solutions at elevated concentrations, and that can be efficiently fabricated into hydrogel materials over a broad range of pH conditions. This extended bacterial collagen-like (eBCL) protein is expressed in a bacterial host and purified as a trimeric assembly exhibiting a triple helical secondary structure in its collagen-like subdomain that is stable near physiological solution conditions (neutral pH and 37 °C), as well as over a broad range of pH conditions. We also show how this sequence can be modified to include biofunctional attributes, in particular, the Arg-Gly-Asp (RGD) sequence to elicit integrin-specific cell binding, without loss of structural function. Furthermore, through the use of EDC-NHS chemistry, we demonstrate that members of this eBCL protein system can be covalently cross-linked to fabricate transparent hydrogels with high protein concentrations (at least to 20% w/w). These hydrogels are shown to possess material properties and resistance to enzymatic degradation that are comparable or superior to a type I collagen control. Moreover, such hydrogels containing the constructs with the RGD integrin-binding sequence are shown to promote the adhesion, spreading, and proliferation of C2C12 and 3T3 cells in vitro. Due to its enhanced solubility, structural stability, fluidity at elevated concentrations, ease of modification, and facility of cross-linking, this eBCL collagen-mimetic system has potential for numerous biomedical material applications, where the ease of processing and fabrication and the facility to tailor the sequence for specific biological functionality are desired.
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Affiliation(s)
- Kim Merrett
- Department of Physics, University of Ottawa, Ontario K1N 6N5, Canada
| | - Fan Wan
- Department of Physics, University of Ottawa, Ontario K1N 6N5, Canada
| | - Chyan-Jang Lee
- Department of Physics, University of Ottawa, Ontario K1N 6N5, Canada
| | - James L Harden
- Department of Physics, University of Ottawa, Ontario K1N 6N5, Canada.,Ottawa Institute of Systems Biology, University of Ottawa, Ontario K1H 8M5, Canada.,Centre for Advanced Materials Research, University of Ottawa, Ontario K1N 6N5, Canada
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17
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Fertala A. Three Decades of Research on Recombinant Collagens: Reinventing the Wheel or Developing New Biomedical Products? Bioengineering (Basel) 2020; 7:E155. [PMID: 33276472 PMCID: PMC7712652 DOI: 10.3390/bioengineering7040155] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/16/2020] [Accepted: 11/23/2020] [Indexed: 02/07/2023] Open
Abstract
Collagens provide the building blocks for diverse tissues and organs. Furthermore, these proteins act as signaling molecules that control cell behavior during organ development, growth, and repair. Their long half-life, mechanical strength, ability to assemble into fibrils and networks, biocompatibility, and abundance from readily available discarded animal tissues make collagens an attractive material in biomedicine, drug and food industries, and cosmetic products. About three decades ago, pioneering experiments led to recombinant human collagens' expression, thereby initiating studies on the potential use of these proteins as substitutes for the animal-derived collagens. Since then, scientists have utilized various systems to produce native-like recombinant collagens and their fragments. They also tested these collagens as materials to repair tissues, deliver drugs, and serve as therapeutics. Although many tests demonstrated that recombinant collagens perform as well as their native counterparts, the recombinant collagen technology has not yet been adopted by the biomedical, pharmaceutical, or food industry. This paper highlights recent technologies to produce and utilize recombinant collagens, and it contemplates their prospects and limitations.
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Affiliation(s)
- Andrzej Fertala
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Curtis Building, Room 501, 1015 Walnut Street, Philadelphia, PA 19107, USA
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18
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Role of prolyl hydroxylation in the molecular interactions of collagens. Essays Biochem 2019; 63:325-335. [PMID: 31350381 PMCID: PMC6744578 DOI: 10.1042/ebc20180053] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 06/25/2019] [Accepted: 07/01/2019] [Indexed: 12/12/2022]
Abstract
Co- and post-translational hydroxylation of proline residues is critical for the stability of the triple helical collagen structure. In this review, we summarise the biology of collagen prolyl 4-hydroxylases and collagen prolyl 3-hydroxylases, the enzymes responsible for proline hydroxylation. Furthermore, we describe the potential roles of hydroxyproline residues in the complex interplay between collagens and other proteins, especially integrin and discoidin domain receptor type cell adhesion receptors. Qualitative and quantitative regulation of collagen hydroxylation may have remarkable effects on the properties of the extracellular matrix and consequently on the cell behaviour.
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19
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Werten MWT, Eggink G, Cohen Stuart MA, de Wolf FA. Production of protein-based polymers in Pichia pastoris. Biotechnol Adv 2019; 37:642-666. [PMID: 30902728 PMCID: PMC6624476 DOI: 10.1016/j.biotechadv.2019.03.012] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Revised: 02/03/2019] [Accepted: 03/17/2019] [Indexed: 01/09/2023]
Abstract
Materials science and genetic engineering have joined forces over the last three decades in the development of so-called protein-based polymers. These are proteins, typically with repetitive amino acid sequences, that have such physical properties that they can be used as functional materials. Well-known natural examples are collagen, silk, and elastin, but also artificial sequences have been devised. These proteins can be produced in a suitable host via recombinant DNA technology, and it is this inherent control over monomer sequence and molecular size that renders this class of polymers of particular interest to the fields of nanomaterials and biomedical research. Traditionally, Escherichia coli has been the main workhorse for the production of these polymers, but the methylotrophic yeast Pichia pastoris is finding increased use in view of the often high yields and potential bioprocessing benefits. We here provide an overview of protein-based polymers produced in P. pastoris. We summarize their physicochemical properties, briefly note possible applications, and detail their biosynthesis. Some challenges that may be faced when using P. pastoris for polymer production are identified: (i) low yields and poor process control in shake flask cultures; i.e., the need for bioreactors, (ii) proteolytic degradation, and (iii) self-assembly in vivo. Strategies to overcome these challenges are discussed, which we anticipate will be of interest also to readers involved in protein expression in P. pastoris in general.
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Affiliation(s)
- Marc W T Werten
- Wageningen Food & Biobased Research, NL-6708 WG Wageningen, The Netherlands.
| | - Gerrit Eggink
- Wageningen Food & Biobased Research, NL-6708 WG Wageningen, The Netherlands; Bioprocess Engineering, Wageningen University & Research, NL-6708 PB Wageningen, The Netherlands
| | - Martien A Cohen Stuart
- Physical Chemistry and Soft Matter, Wageningen University & Research, NL-6708 WE Wageningen, The Netherlands
| | - Frits A de Wolf
- Wageningen Food & Biobased Research, NL-6708 WG Wageningen, The Netherlands
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20
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Type III collagen (COL3A1): Gene and protein structure, tissue distribution, and associated diseases. Gene 2019; 707:151-171. [PMID: 31075413 DOI: 10.1016/j.gene.2019.05.003] [Citation(s) in RCA: 163] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 05/01/2019] [Accepted: 05/02/2019] [Indexed: 02/07/2023]
Abstract
Collagen alpha-1(III) chain, also known as the alpha 1 chain of type III collagen, is a protein that in humans is encoded by the COL3A1 gene. Three alpha 1 chains are required to form the type III collagen molecule which has a long triple-helical domain. Type III collagen, an extracellular matrix protein, is synthesized by cells as a pre-procollagen. It is found as a major structural component in hollow organs such as large blood vessels, uterus and bowel. Other functions of type III collagen include interaction with platelets in the blood clotting cascade and it is also an important signaling molecule in wound healing. Mutations in the COL3A1 gene cause the vascular type of Ehlers-Danlos syndrome (vEDS; OMIM 130050). It is the most serious form of EDS, since patients often die suddenly due to a rupture of large arteries. Inactivation of the murine Col3a1 gene leads to a shorter life span in homozygous mutant mice. The mice die prematurely from a rupture of major arteries mimicking the human vEDS phenotype. The biochemical and cellular effects of COL3A1 mutations have been studied extensively. Most of the glycine mutations lead to the synthesis of type III collagen with reduced thermal stability, which is more susceptible for proteinases. Intracellular accumulation of this normally secreted protein is also found. Ultrastructural analyses have demonstrated dilated rough endoplasmic reticulum and changes in the diameter of collagen fibers. Other clinical conditions associated with type III collagen are several types of fibroses in which increased amounts of type III collagen accumulate in the target organs.
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21
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Sorushanova A, Delgado LM, Wu Z, Shologu N, Kshirsagar A, Raghunath R, Mullen AM, Bayon Y, Pandit A, Raghunath M, Zeugolis DI. The Collagen Suprafamily: From Biosynthesis to Advanced Biomaterial Development. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1801651. [PMID: 30126066 DOI: 10.1002/adma.201801651] [Citation(s) in RCA: 469] [Impact Index Per Article: 93.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 06/03/2018] [Indexed: 05/20/2023]
Abstract
Collagen is the oldest and most abundant extracellular matrix protein that has found many applications in food, cosmetic, pharmaceutical, and biomedical industries. First, an overview of the family of collagens and their respective structures, conformation, and biosynthesis is provided. The advances and shortfalls of various collagen preparations (e.g., mammalian/marine extracted collagen, cell-produced collagens, recombinant collagens, and collagen-like peptides) and crosslinking technologies (e.g., chemical, physical, and biological) are then critically discussed. Subsequently, an array of structural, thermal, mechanical, biochemical, and biological assays is examined, which are developed to analyze and characterize collagenous structures. Lastly, a comprehensive review is provided on how advances in engineering, chemistry, and biology have enabled the development of bioactive, 3D structures (e.g., tissue grafts, biomaterials, cell-assembled tissue equivalents) that closely imitate native supramolecular assemblies and have the capacity to deliver in a localized and sustained manner viable cell populations and/or bioactive/therapeutic molecules. Clearly, collagens have a long history in both evolution and biotechnology and continue to offer both challenges and exciting opportunities in regenerative medicine as nature's biomaterial of choice.
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Affiliation(s)
- Anna Sorushanova
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Luis M Delgado
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Zhuning Wu
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Naledi Shologu
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Aniket Kshirsagar
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Rufus Raghunath
- Centre for Cell Biology and Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | | | - Yves Bayon
- Sofradim Production-A Medtronic Company, Trevoux, France
| | - Abhay Pandit
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Michael Raghunath
- Centre for Cell Biology and Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | - Dimitrios I Zeugolis
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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22
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23
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Molecular assembly of recombinant chicken type II collagen in the yeast Pichia pastoris. SCIENCE CHINA-LIFE SCIENCES 2018; 61:815-825. [PMID: 29388039 DOI: 10.1007/s11427-017-9219-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 11/16/2017] [Indexed: 10/18/2022]
Abstract
Effective treatment of rheumatoid arthritis can be mediated by native chicken type II collagen (nCCII), recombinant peptide containing nCCII tolerogenic epitopes (CTEs), or a therapeutic DNA vaccine encoding the full-length CCOL2A1 cDNA. As recombinant CCII (rCCII) might avoid potential pathogenic virus contamination during nCCII preparation or chromosomal integration and oncogene activation associated with DNA vaccines, here we evaluated the importance of propeptide and telopeptide domains on rCCII triple helix molecular assembly. We constructed pC- and pN-procollagen (without N- or C-propeptides, respectively) as well as CTEs located in the triple helical domain lacking both propeptides and telopeptides, and expressed these in yeast Pichia pastoris host strain GS115 (his4, Mut+) simultaneously with recombinant chicken prolyl-4-hydroxylase α and β subunits. Both pC- and pN-procollagen monomers accumulated inside P. pastoris cells, whereas CTE was assembled into homotrimers with stable conformation and secreted into the supernatants, suggesting that the large molecular weight pC-or pN-procollagens were retained within the endoplasmic reticulum whereas the smaller CTEs proceeded through the secretory pathway. Furthermore, resulting recombinant chicken type II collagen pCα1(II) can induced collagen-induced arthritis (CIA) rat model, which seems to be as effective as the current standard nCCII. Notably, protease digestion assays showed that rCCII could assemble in the absence of C- and N-propeptides or telopeptides. These findings provide new insights into the minimal structural requirements for rCCII expression and folding.
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24
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Öztürk S, Ergün BG, Çalık P. Double promoter expression systems for recombinant protein production by industrial microorganisms. Appl Microbiol Biotechnol 2017; 101:7459-7475. [DOI: 10.1007/s00253-017-8487-y] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 08/15/2017] [Accepted: 08/16/2017] [Indexed: 01/19/2023]
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25
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Wang T, Lew J, Premkumar J, Poh CL, Win Naing M. Production of recombinant collagen: state of the art and challenges. ENGINEERING BIOLOGY 2017. [DOI: 10.1049/enb.2017.0003] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Tianyi Wang
- Bio‐Manufacturing Programme Singapore Institute of Manufacturing Technology Singapore
| | - Jiewei Lew
- Bio‐Manufacturing Programme Singapore Institute of Manufacturing Technology Singapore
| | - Jayaraman Premkumar
- Department of Biomedical Engineering National University of Singapore Singapore
| | - Chueh Loo Poh
- Department of Biomedical Engineering National University of Singapore Singapore
| | - May Win Naing
- Bio‐Manufacturing Programme Singapore Institute of Manufacturing Technology Singapore
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26
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Mullen AM, Álvarez C, Zeugolis DI, Henchion M, O'Neill E, Drummond L. Alternative uses for co-products: Harnessing the potential of valuable compounds from meat processing chains. Meat Sci 2017; 132:90-98. [PMID: 28502588 DOI: 10.1016/j.meatsci.2017.04.243] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 04/05/2017] [Accepted: 04/19/2017] [Indexed: 02/07/2023]
Abstract
Opportunities for exploiting the inherent value of protein-rich meat processing co-products, in the context of increased global demand for protein and for sustainable processing systems, are discussed. While direct consumption maybe the most profitable route for some, this approach is influenced greatly by local and cultural traditions. A more profitable and sustainable approach may be found in recognizing this readily available and under-utilised resource can provide high value components, such as proteins, with targeted high value functionality of relevance to a variety of sectors. Applications in food & beverages, petfood biomedical and nutrition arenas are discussed. Utilization of the raw material in its entirety is a necessary underlying principle in this approach to help maintain minimum waste generation. Understanding consumer attitudes to these products, in particular when used in food or beverage systems, is critical in optimizing commercialization strategies.
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Affiliation(s)
- Anne Maria Mullen
- Teagasc Food Research Centre, Dep't of Food Quality and Sensory Science, Ashtown, Dublin 15, Ireland.
| | - Carlos Álvarez
- Teagasc Food Research Centre, Dep't of Food Quality and Sensory Science, Ashtown, Dublin 15, Ireland
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Maeve Henchion
- Teagasc Food Research Centre, Dep't Agrifood Business and Spatial Analysis, Ashtown, Dublin 15, Ireland
| | - Eileen O'Neill
- University College Cork, Department of Food & Nutritional Sciences, Cork, Dublin, Ireland
| | - Liana Drummond
- Teagasc Food Research Centre, Dep't of Food Quality and Sensory Science, Ashtown, Dublin 15, Ireland
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Assembly of the elongated collagen prolyl 4-hydroxylase α2β2 heterotetramer around a central α2 dimer. Biochem J 2017; 474:751-769. [DOI: 10.1042/bcj20161000] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 01/05/2017] [Accepted: 01/16/2017] [Indexed: 11/17/2022]
Abstract
Collagen prolyl 4-hydroxylase (C-P4H), an α2β2 heterotetramer, is a crucial enzyme for collagen synthesis. The α-subunit consists of an N-terminal dimerization domain, a central peptide substrate-binding (PSB) domain, and a C-terminal catalytic (CAT) domain. The β-subunit [also known as protein disulfide isomerase (PDI)] acts as a chaperone, stabilizing the functional conformation of C-P4H. C-P4H has been studied for decades, but its structure has remained elusive. Here, we present a three-dimensional small-angle X-ray scattering model of the entire human C-P4H-I heterotetramer. C-P4H is an elongated, bilobal, symmetric molecule with a length of 290 Å. The dimerization domains from the two α-subunits form a protein–protein dimer interface, assembled around the central antiparallel coiled-coil interface of their N-terminal α-helices. This region forms a thin waist in the bilobal tetramer. The two PSB/CAT units, each complexed with a PDI/β-subunit, form two bulky lobes pointing outward from this waist region, such that the PDI/β-subunits locate at the far ends of the βααβ complex. The PDI/β-subunit interacts extensively with the CAT domain. The asymmetric shape of two truncated C-P4H-I variants, also characterized in the present study, agrees with this assembly. Furthermore, data from these truncated variants show that dimerization between the α-subunits has an important role in achieving the correct PSB–CAT assembly competent for catalytic activity. Kinetic assays with various proline-rich peptide substrates and inhibitors suggest that, in the competent assembly, the PSB domain binds to the procollagen substrate downstream from the CAT domain.
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Qi Q, Yao L, Liang Z, Yan D, Li Z, Huang Y, Sun J. Production of human type II collagen using an efficient baculovirus-silkworm multigene expression system. Mol Genet Genomics 2016; 291:2189-2198. [DOI: 10.1007/s00438-016-1251-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Accepted: 09/19/2016] [Indexed: 11/28/2022]
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Steplewski A, Fertala J, Beredjiklian PK, Abboud JA, Wang MLY, Namdari S, Barlow J, Rivlin M, Arnold WV, Kostas J, Hou C, Fertala A. Auxiliary proteins that facilitate formation of collagen-rich deposits in the posterior knee capsule in a rabbit-based joint contracture model. J Orthop Res 2016; 34:489-501. [PMID: 26241613 DOI: 10.1002/jor.23007] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2015] [Accepted: 07/31/2015] [Indexed: 02/04/2023]
Abstract
Post-traumatic joint contracture is a debilitating consequence of trauma or surgical procedures. It is associated with fibrosis that develops regardless of the nature of initial trauma and results from complex biological processes associated with inflammation and cell activation. These processes accelerate production of structural elements of the extracellular matrix, particularly collagen fibrils. Although the increased production of collagenous proteins has been demonstrated in tissues of contracted joints, researchers have not yet determined the complex protein machinery needed for the biosynthesis of collagen molecules and for their assembly into fibrils. Consequently, the purpose of our study was to investigate key enzymes and protein chaperones needed to produce collagen-rich deposits. Using a rabbit model of joint contracture, our biochemical and histological assays indicated changes in the expression patterns of heat shock protein 47 and the α-subunit of prolyl 4-hydroxylase, key proteins in processing nascent collagen chains. Moreover, our study shows that the abnormal organization of collagen fibrils in the posterior capsules of injured knees, rather than excessive formation of fibril-stabilizing cross-links, may be a key reason for observed changes in the mechanical characteristics of injured joints. This result sheds new light on pathomechanisms of joint contraction, and identifies potentially attractive anti-fibrotic targets.
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Affiliation(s)
- Andrzej Steplewski
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Jolanta Fertala
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Pedro K Beredjiklian
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute of Orthopaedics, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Joseph A Abboud
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute of Orthopaedics, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Mark L Y Wang
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute of Orthopaedics, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Surena Namdari
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute of Orthopaedics, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Jonathan Barlow
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute of Orthopaedics, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Michael Rivlin
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute of Orthopaedics, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - William V Arnold
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute of Orthopaedics, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - James Kostas
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Cheryl Hou
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Andrzej Fertala
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
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Girotti A, Orbanic D, Ibáñez-Fonseca A, Gonzalez-Obeso C, Rodríguez-Cabello JC. Recombinant Technology in the Development of Materials and Systems for Soft-Tissue Repair. Adv Healthc Mater 2015; 4:2423-55. [PMID: 26172311 DOI: 10.1002/adhm.201500152] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 05/04/2015] [Indexed: 12/16/2022]
Abstract
The field of biomedicine is constantly investing significant research efforts in order to gain a more in-depth understanding of the mechanisms that govern the function of body compartments and to develop creative solutions for the repair and regeneration of damaged tissues. The main overall goal is to develop relatively simple systems that are able to mimic naturally occurring constructs and can therefore be used in regenerative medicine. Recombinant technology, which is widely used to obtain new tailored synthetic genes that express polymeric protein-based structures, now offers a broad range of advantages for that purpose by permitting the tuning of biological and mechanical properties depending on the intended application while simultaneously ensuring adequate biocompatibility and biodegradability of the scaffold formed by the polymers. This Progress Report is focused on recombinant protein-based materials that resemble naturally occurring proteins of interest for use in soft tissue repair. An overview of recombinant biomaterials derived from elastin, silk, collagen and resilin is given, along with a description of their characteristics and suggested applications. Current endeavors in this field are continuously providing more-improved materials in comparison with conventional ones. As such, a great effort is being made to put these materials through clinical trials in order to favor their future use.
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Affiliation(s)
- Alessandra Girotti
- BIOFORGE (Group for Advanced Materials and Nanobiotechnology); CIBER-BBN; University of Valladolid, Edificio LUCIA; Paseo de Belén, 19 47011 Valladolid Spain
| | - Doriana Orbanic
- BIOFORGE (Group for Advanced Materials and Nanobiotechnology); CIBER-BBN; University of Valladolid, Edificio LUCIA; Paseo de Belén, 19 47011 Valladolid Spain
| | - Arturo Ibáñez-Fonseca
- BIOFORGE (Group for Advanced Materials and Nanobiotechnology); CIBER-BBN; University of Valladolid, Edificio LUCIA; Paseo de Belén, 19 47011 Valladolid Spain
| | - Constancio Gonzalez-Obeso
- BIOFORGE (Group for Advanced Materials and Nanobiotechnology); CIBER-BBN; University of Valladolid, Edificio LUCIA; Paseo de Belén, 19 47011 Valladolid Spain
| | - José Carlos Rodríguez-Cabello
- BIOFORGE (Group for Advanced Materials and Nanobiotechnology); CIBER-BBN; University of Valladolid, Edificio LUCIA; Paseo de Belén, 19 47011 Valladolid Spain
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Yigit S, Dinjaski N, Kaplan DL. Fibrous proteins: At the crossroads of genetic engineering and biotechnological applications. Biotechnol Bioeng 2015; 113:913-29. [PMID: 26332660 DOI: 10.1002/bit.25820] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2015] [Revised: 07/27/2015] [Accepted: 08/25/2015] [Indexed: 12/30/2022]
Abstract
Fibrous proteins, such as silk, elastin and collagen are finding broad impact in biomaterial systems for a range of biomedical and industrial applications. Some of the key advantages of biosynthetic fibrous proteins compared to synthetic polymers include the tailorability of sequence, protein size, degradation pattern, and mechanical properties. Recombinant DNA production and precise control over genetic sequence of these proteins allows expansion and fine tuning of material properties to meet the needs for specific applications. We review current approaches in the design, cloning, and expression of fibrous proteins, with a focus on strategies utilized to meet the challenges of repetitive fibrous protein production. We discuss recent advances in understanding the fundamental basis of structure-function relationships and the designs that foster fibrous protein self-assembly towards predictable architectures and properties for a range of applications. We highlight the potential of functionalization through genetic engineering to design fibrous protein systems for biotechnological and biomedical applications.
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Affiliation(s)
- Sezin Yigit
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155.,Department of Chemistry, Tufts University, Somerville, Massachusetts, 02145
| | - Nina Dinjaski
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155.,Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155.
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Pozzolini M, Scarfì S, Mussino F, Salis A, Damonte G, Benatti U, Giovine M. Pichia pastoris production of a prolyl 4-hydroxylase derived from Chondrosia reniformis sponge: A new biotechnological tool for the recombinant production of marine collagen. J Biotechnol 2015; 208:28-36. [DOI: 10.1016/j.jbiotec.2015.05.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 05/12/2015] [Accepted: 05/15/2015] [Indexed: 11/30/2022]
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Xu J, Wang LN, Zhu CH, Fan DD, Ma XX, Mi Y, Xing JY. Co-expression of recombinant human prolyl with human collagen α1 (III) chains in two yeast systems. Lett Appl Microbiol 2015; 61:259-66. [PMID: 26031396 DOI: 10.1111/lam.12447] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 05/23/2015] [Accepted: 05/25/2015] [Indexed: 11/30/2022]
Abstract
UNLABELLED In this study, we co-expressed the human prolyl 4-hydroxylases (P4H) with human collagen α1 (III) (COL3A1) in an inducible system: Pichia pastoris (pPICZB), and one constitutive system: P. pastoris (pGAPZαB). The P4H catalyses the post-translational hydroxylation of proline residues in collagen strands. Conventional protein expression system such as bacteria and yeasts, which lack endogenous P4H, are not efficient for the production of recombinant collagen. In this study, the P4H gene was constructed in pGAPZαB plasmid and pPICZB plasmid respectively. These two plasmids were transformed in P. pastoris #1 that carrying COL3A1. Colony PCR analysis and sequencing after electroporation P. pastoris GS115 showed that the target gene had inserted successfully. The results of reverse transcript-qPCR, SDS-PAGE, Western blotting and LC-MS/MS analysis of the rhCOL3A1 demonstrated that the P4H was expressed successfully. Besides, it is noted that low copy number, constitutive system was suitable for hydroxylated rhCOL3A1. SIGNIFICANCE AND IMPACT OF THE STUDY Successful co-expression of recombinant human collagen α1 (III) (rhCOL3A1) and human prolyl 4-hydroxylases (P4H) in Picha pastoris GS115, simultaneously results in the acquisition of rhCOL3A1 with hydroxylation of proline (Hyp). Further, this experiment also discusses that the high or low copy numbers and different promoters affect the Hyp degree of rhCOL3A1. Selecting more appropriate strains can express high degree Hyp of rhCOL3A1. This work will be helpful to the collagen structure study.
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Affiliation(s)
- J Xu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Shaanxi, China.,Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of chemical engineering, Northwest University, Xi'an, China
| | - L N Wang
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Shaanxi, China.,Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of chemical engineering, Northwest University, Xi'an, China
| | - C H Zhu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Shaanxi, China.,Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of chemical engineering, Northwest University, Xi'an, China
| | - D D Fan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Shaanxi, China.,Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of chemical engineering, Northwest University, Xi'an, China
| | - X X Ma
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Shaanxi, China.,Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of chemical engineering, Northwest University, Xi'an, China
| | - Y Mi
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Shaanxi, China.,Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of chemical engineering, Northwest University, Xi'an, China
| | - J Y Xing
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Shaanxi, China.,Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of chemical engineering, Northwest University, Xi'an, China
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34
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Molecular Structure and Properties of Lectin from Tomato Fruit. Biosci Biotechnol Biochem 2014; 72:2640-50. [DOI: 10.1271/bbb.80310] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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35
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Ridgley DM, Freedman BG, Lee PW, Barone JR. Genetically encoded self-assembly of large amyloid fibers. Biomater Sci 2014; 2:560-566. [DOI: 10.1039/c3bm60223k] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Experimental results demonstrate that large amyloid fibers can be engineered at the DNA level, spanning four orders of magnitude.
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Affiliation(s)
- D. M. Ridgley
- Biological Systems Engineering
- Virginia Tech
- Blacksburg, USA
| | - B. G. Freedman
- Biological Systems Engineering
- Virginia Tech
- Blacksburg, USA
| | - P. W. Lee
- Biological Systems Engineering
- Virginia Tech
- Blacksburg, USA
| | - J. R. Barone
- Biological Systems Engineering
- Virginia Tech
- Blacksburg, USA
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36
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Recombinant expression of hydroxylated human collagen in Escherichia coli. Appl Microbiol Biotechnol 2013; 98:4445-55. [DOI: 10.1007/s00253-013-5447-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Revised: 11/27/2013] [Accepted: 11/28/2013] [Indexed: 01/09/2023]
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Abstract
As a central element of the extracellular matrix, collagen is intimately involved in tissue development, remodeling, and repair and confers high tensile strength to tissues. Numerous medical applications, particularly, wound healing, cell therapy, bone reconstruction, and cosmetic technologies, rely on its supportive and healing qualities. Its synthesis and assembly require a multitude of genes and post-translational modifications, where even minor deviations can be deleterious or even fatal. Historically, collagen was always extracted from animal and human cadaver sources, but bare risk of contamination and allergenicity and was subjected to harsh purification conditions resulting in irreversible modifications impeding its biofunctionality. In parallel, the highly complex and stringent post-translational processing of collagen, prerequisite of its viability and proper functioning, sets significant limitations on recombinant expression systems. A tobacco plant expression platform has been recruited to effectively express human collagen, along with three modifying enzymes, critical to collagen maturation. The plant extracted recombinant human collagen type I forms thermally stable helical structures, fibrillates, and demonstrates bioactivity resembling that of native collagen. Deployment of the highly versatile plant-based biofactory can be leveraged toward mass, rapid, and low-cost production of a wide variety of recombinant proteins. As in the case of collagen, proper planning can bypass plant-related limitations, to yield products structurally and functionally identical to their native counterparts.
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Affiliation(s)
- Oded Shoseyov
- The Robert H. Smith Faculty of Agriculture, Food and Environment, The Robert H. Smith Institute of Plant Science and Genetics, The Hebrew University of Jerusalem, Rehovot, Israel.
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Tsai WL, Forbes JG, Wang K. Engineering of an elastic scaffolding polyprotein based on an SH3-binding intrinsically disordered titin PEVK module. Protein Expr Purif 2012; 85:187-99. [PMID: 22910563 PMCID: PMC3463739 DOI: 10.1016/j.pep.2012.08.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2012] [Revised: 07/24/2012] [Accepted: 08/03/2012] [Indexed: 01/21/2023]
Abstract
Titin is a large elastic protein found in muscle that maintains the elasticity and structural integrity of the sarcomere. The PEVK region of titin is intrinsically disordered, highly elastic and serves as a hub to bind signaling proteins. Systematic investigation of the structure and affinity profile of the PEVK region will provide important information about the functions of titin. Since PEVK is highly heterogeneous due to extensive differential splicing from more than one hundred exons, we engineered and expressed polyproteins that consist of a defined number of identical single exon modules. These customized polyproteins reduce heterogeneity, amplify interactions of less dominant modules, and most importantly, provide tags for atomic force microscopy and allow more readily interpretable data from single-molecule techniques. Expression and purification of recombinant polyprotein with repeat regions presented many technical challenges: recombination events in tandem repeats of identical DNA sequences exacerbated by high GC content, toxicity of polymer plasmid and expressed protein to the bacteria; early truncation of proteins expressed with different numbers of modules; and extreme sensitivity to proteolysis. We have investigated a number of in vitro and in vivo bacterial and yeast expression systems, as well as baculoviral systems as potential solutions to these problems. We successfully expressed and purified in gram quantities a polyprotein derived from human titin exon 172 using Pichia pastoris yeast. This study provides valuable insights into the technical challenges regarding the engineering and purification of a tandem repeat sequence of an intrinsically disordered biopolymer.
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Affiliation(s)
- Wanxia Li Tsai
- Muscle Proteomics and Nanotechnology Section, Laboratory of Muscle Biology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH/DHHS, Bethesda, MD 20892-8024, USA.
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Chan SWP, Greaves J, Da Silva NA, Wang SW. Assaying proline hydroxylation in recombinant collagen variants by liquid chromatography-mass spectrometry. BMC Biotechnol 2012; 12:51. [PMID: 22901055 PMCID: PMC3443662 DOI: 10.1186/1472-6750-12-51] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Accepted: 07/13/2012] [Indexed: 11/10/2022] Open
Abstract
Background The fabrication of recombinant collagen and its prescribed variants has enormous potential in tissue regeneration, cell-matrix interaction investigations, and fundamental biochemical and biophysical studies of the extracellular matrix. Recombinant expression requires proline hydroxylation, a post-translational modification which is critical for imparting stability and structure. However, these modifications are not native to typical bacterial or yeast expression systems. Furthermore, detection of low levels of 4-hydroxyproline is challenging with respect to selectivity and sensitivity. Results We have developed a new liquid chromatography-mass spectrometry (LC-MS) method to evaluate proline hydroxylation in recombinant collagen. This assay was tested in different Saccharomyces cerevisiae expression systems to evaluate the effect of gene ratio between prolyl-4-hydroxylase and collagen on the extent of hydroxylation. These systems used a human collagen III gene that was synthesized de novo from oligonucleotides. The LC-MS assay does not require derivatization, uses only picomoles of sample, and can measure proline hydroxylation levels in recombinant and native collagen ranging from approximately 0% to 40%. The hydroxylation values obtained by LC-MS are as accurate and as precise as those obtained with the conventional method of amino acid analysis. Conclusions A facile, derivatization-free LC-MS method was developed that accurately determines the percentage of proline hydroxylation in different yeast expression systems. Using this assay, we determined that systems with a higher collagen-to-hydroxylase gene copy ratio yielded a lower percentage of hydroxylation, suggesting that a specifically balanced gene ratio is required to obtain higher hydroxylation levels.
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Affiliation(s)
- S W Polly Chan
- Department of Chemical Engineering and Materials Science, University of California, Irvine, CA 92697, USA
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40
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Gomes S, Leonor IB, Mano JF, Reis RL, Kaplan DL. Natural and Genetically Engineered Proteins for Tissue Engineering. Prog Polym Sci 2012; 37:1-17. [PMID: 22058578 PMCID: PMC3207498 DOI: 10.1016/j.progpolymsci.2011.07.003] [Citation(s) in RCA: 160] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
To overcome the limitations of traditionally used autografts, allografts and, to a lesser extent, synthetic materials, there is the need to develop a new generation of scaffolds with adequate mechanical and structural support, control of cell attachment, migration, proliferation and differentiation and with bio-resorbable features. This suite of properties would allow the body to heal itself at the same rate as implant degradation. Genetic engineering offers a route to this level of control of biomaterial systems. The possibility of expressing biological components in nature and to modify or bioengineer them further, offers a path towards multifunctional biomaterial systems. This includes opportunities to generate new protein sequences, new self-assembling peptides or fusions of different bioactive domains or protein motifs. New protein sequences with tunable properties can be generated that can be used as new biomaterials. In this review we address some of the most frequently used proteins for tissue engineering and biomedical applications and describe the techniques most commonly used to functionalize protein-based biomaterials by combining them with bioactive molecules to enhance biological performance. We also highlight the use of genetic engineering, for protein heterologous expression and the synthesis of new protein-based biopolymers, focusing the advantages of these functionalized biopolymers when compared with their counterparts extracted directly from nature and modified by techniques such as physical adsorption or chemical modification.
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Affiliation(s)
- Sílvia Gomes
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909 Taipas, Guimarães, Portugal
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Duan H, Umar S, Xiong R, Chen J. New strategy for expression of recombinant hydroxylated human-derived gelatin in Pichia pastoris KM71. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:7127-7134. [PMID: 21604758 DOI: 10.1021/jf200778r] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Gelatin is a well-known biopolymer, and it has a long history of use mainly as a gelling agent in the food industry. This paper reports a new method for producing recombinant hydroxylated human-derived gelatin in Pichia pastoris KM71. Three independent expression cassettes encoding for specific length of gelatin, prolyl 4-hydroxylase (P4H, EC 1.14.11.2), α-subunit (αP4H), and protein-disulfide isomerase (PDI) were individually cloned in one expression vector, pPIC9K. The modified gelatin gene and two subunit genes of P4H were under the control of two different inducible promoters, namely, alcohol oxidase 1 promoter (PAOX1) and formaldehyde dehydrogenase 1 promoter (PFLD1), respectively. The results of sodium dodecylsulfate-polyacrylamide gel electrophoresis show that a recombinant gelatin was successfully expressed in P. pastoris KM71 by methanol induction. Liquid chromatography coupled with tandem mass spectrometry analysis indicates that the expressed gelatin was hydroxylated with approximately 66.7% of proline residues in the Y positions of Gly-X-Y triplets. The results of nuclear magnetic resonance spectroscopy of recombinant gelatin test show that the (1)H and (13)C spectra have many corresponding characteristic displacement peaks, and amino acids composition analysis shows that it contains hydroxyproline and its UV absorption is consistent with the characteristics of gelatin.
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Affiliation(s)
- Huiming Duan
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
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42
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Xu X, Gan Q, Clough RC, Pappu KM, Howard JA, Baez JA, Wang K. Hydroxylation of recombinant human collagen type I alpha 1 in transgenic maize co-expressed with a recombinant human prolyl 4-hydroxylase. BMC Biotechnol 2011; 11:69. [PMID: 21702901 PMCID: PMC3151215 DOI: 10.1186/1472-6750-11-69] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Accepted: 06/24/2011] [Indexed: 11/16/2022] Open
Abstract
Background Collagens require the hydroxylation of proline (Pro) residues in their triple-helical domain repeating sequence Xaa-Pro-Gly to function properly as a main structural component of the extracellular matrix in animals at physiologically relevant conditions. The regioselective proline hydroxylation is catalyzed by a specific prolyl 4-hydroxylase (P4H) as a posttranslational processing step. Results A recombinant human collagen type I α-1 (rCIα1) with high percentage of hydroxylated prolines (Hyp) was produced in transgenic maize seeds when co-expressed with both the α- and β- subunits of a recombinant human P4H (rP4H). Germ-specific expression of rCIα1 using maize globulin-1 gene promoter resulted in an average yield of 12 mg/kg seed for the full-length rCIα1 in seeds without co-expression of rP4H and 4 mg/kg seed for the rCIα1 (rCIα1-OH) in seeds with co-expression of rP4H. High-resolution mass spectrometry (HRMS) analysis revealed that nearly half of the collagenous repeating triplets in rCIα1 isolated from rP4H co-expressing maize line had the Pro residues changed to Hyp residues. The HRMS analysis determined the Hyp content of maize-derived rCIα1-OH as 18.11%, which is comparable to the Hyp level of yeast-derived rCIα1-OH (17.47%) and the native human CIa1 (14.59%), respectively. The increased Hyp percentage was correlated with a markedly enhanced thermal stability of maize-derived rCIα1-OH when compared to the non-hydroxylated rCIα1. Conclusions This work shows that maize has potential to produce adequately modified exogenous proteins with mammalian-like post-translational modifications that may be require for their use as pharmaceutical and industrial products.
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Affiliation(s)
- Xing Xu
- Interdepartmental Plant Biology Major, Iowa State University, Ames, IA 50011-1010, USA
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43
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Silva CIF, Teles H, Moers APHA, Eggink G, de Wolf FA, Werten MWT. Secreted production of collagen-inspired gel-forming polymers with high thermal stability in Pichia pastoris. Biotechnol Bioeng 2011; 108:2517-25. [PMID: 21656708 DOI: 10.1002/bit.23228] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Revised: 05/25/2011] [Accepted: 05/31/2011] [Indexed: 11/06/2022]
Abstract
Previously, we have shown that gel-forming triblock proteins, consisting of random coil middle blocks and trimer-forming (Pro-Gly-Pro)(9) end blocks, are efficiently produced and secreted by the yeast Pichia pastoris. These end blocks had a melting temperature (T(m)) of ∼41°C (at 1.1 mM of protein). The present work reveals that an increase of T(m) to ∼74°C, obtained by extension of the end blocks to (Pro-Gly-Pro)(16), resulted in a five times lower yield and partial endoproteolytic degradation of the protein. A possible cause could be that the higher thermostability of the longer (Pro-Gly-Pro)(16) trimers leads to a higher incidence of trimers in the cell, and that this disturbs secretion of the protein. Alternatively, the increased length of the proline-rich (Pro-Gly-Pro)(n) domain may negatively influence ribosomal translation, or may result in, for example, hydrophobic aggregation or membrane-active behavior owing to the greater number of closely placed proline residues. To discriminate between these possibilities, we studied the production of molecules with randomized end blocks that are unable to form triple helices. The codon- and amino acid composition of the genes and proteins, respectively, remained unchanged. As these nontrimerizing molecules were secreted intact and at high yield, we conclude that the impaired secretion and partial degradation of the triblock with (Pro-Gly-Pro)(16) end blocks was triggered by the occurrence of intracellular triple helices. This degradation was overcome by using a yapsin 1 protease disruptant, and the intact secreted polymer was capable of forming self-supporting gels of high thermal stability.
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Affiliation(s)
- Catarina I F Silva
- Wageningen UR Food & Biobased Research, Bornse Weilanden 9, NL-6708 WG Wageningen, The Netherlands.
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Isolation, characterization and biological evaluation of jellyfish collagen for use in biomedical applications. Mar Drugs 2011; 9:967-983. [PMID: 21747742 PMCID: PMC3131555 DOI: 10.3390/md9060967] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2011] [Revised: 05/20/2011] [Accepted: 05/26/2011] [Indexed: 01/06/2023] Open
Abstract
Fibrillar collagens are the more abundant extracellular proteins. They form a metazoan-specific family, and are highly conserved from sponge to human. Their structural and physiological properties have been successfully used in the food, cosmetic, and pharmaceutical industries. On the other hand, the increase of jellyfish has led us to consider this marine animal as a natural product for food and medicine. Here, we have tested different Mediterranean jellyfish species in order to investigate the economic potential of their collagens. We have studied different methods of collagen purification (tissues and experimental procedures). The best collagen yield was obtained using Rhizostoma pulmo oral arms and the pepsin extraction method (2–10 mg collagen/g of wet tissue). Although a significant yield was obtained with Cotylorhiza tuberculata (0.45 mg/g), R. pulmo was used for further experiments, this jellyfish being considered as harmless to humans and being an abundant source of material. Then, we compared the biological properties of R. pulmo collagen with mammalian fibrillar collagens in cell cytotoxicity assays and cell adhesion. There was no statistical difference in cytotoxicity (p > 0.05) between R. pulmo collagen and rat type I collagen. However, since heparin inhibits cell adhesion to jellyfish-native collagen by 55%, the main difference is that heparan sulfate proteoglycans could be preferentially involved in fibroblast and osteoblast adhesion to jellyfish collagens. Our data confirm the broad harmlessness of jellyfish collagens, and their biological effect on human cells that are similar to that of mammalian type I collagen. Given the bioavailability of jellyfish collagen and its biological properties, this marine material is thus a good candidate for replacing bovine or human collagens in selected biomedical applications.
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45
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Abstract
Based on the idiographic character of collagenous domain of human type III collagen, a recombinant human gelatin monomeric gene (gel) was designed and synthesized. All hydrophobic amino acids (proline excluded) were replaced by hydrophilic amino acids to improve the hydrophilic properties, and the codons encoding amino acids were optimized according to Pichia pastoris bias usage. Then a recombinant human gelatin expression vector pPIC9KG6 containing six monomeric genes ligated in the same orientation was constructed successfully. After verificated the validity of construction by DNA sequencing, the recombinant vector pPIC9KG6 was electroporated into the Pichia pastoris GS115, and Mut+ pPIC9KG6 transformants were selected on the basis of G418 resistance. Then a high-level expression strain was picked up from transformants by analyzing their recombinant protein expression levels. SDS-PAGE analysis of cell lysate and fermentation supernatant of the high-level expression strain showed that recombinant human gelatin can be expressed intracellularly and secreted expression, and its expression level reaches 16.06 g per liter. Secreted recombinant human gelatin was purified from fermentation supernatant by gel filtration chromatography. By UV spectroscopy and FTIR and SEM, it was confirmed that purified recombinant human gelatin is similar to animal-derived gelatin in protein structure.
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46
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Pinkas DM, Ding S, Raines RT, Barron AE. Tunable, post-translational hydroxylation of collagen Domains in Escherichia coli. ACS Chem Biol 2011; 6:320-4. [PMID: 21210682 DOI: 10.1021/cb100298r] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Prolyl 4-hydroxylases are ascorbate-dependent oxygenases that play key roles in a variety of eukaryotic biological processes including oxygen sensing, siRNA regulation, and collagen folding. They perform their functions by catalyzing the post-translational hydroxylation of specific proline residues on target proteins to form (2S,4R)-4-hydroxyproline. Thus far, the study of these post-translational modifications has been limited by the lack of a prokaryotic recombinant expression system for producing hydroxylated proteins. By introducing a biosynthetic shunt to produce ascorbate-like molecules in Eschericia coli cells that heterologously express human prolyl 4-hydroxylase (P4H), we have created a strain of E. coli that produces collagenous proteins with high levels of (2S,4R)-4-hydroxyproline. Using this new system, we have observed hydroxylation patterns indicative of a processive catalytic mode for P4H that is active even in the absence of ascorbate. Our results provide insights into P4H enzymology and create a foundation for better understanding how post-translational hydroxylation affects proteins.
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Affiliation(s)
- Daniel M. Pinkas
- Department of Bioengineering and, by courtesy, Department of Chemical Engineering, Schools of Medicine and of Engineering, Stanford University, Stanford, California 94305, United States
| | - Sheng Ding
- Department of Bioengineering and, by courtesy, Department of Chemical Engineering, Schools of Medicine and of Engineering, Stanford University, Stanford, California 94305, United States
| | - Ronald T. Raines
- Departments of Biochemistry and Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Annelise E. Barron
- Department of Bioengineering and, by courtesy, Department of Chemical Engineering, Schools of Medicine and of Engineering, Stanford University, Stanford, California 94305, United States
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Abdemami B, Shokrgozar MA, Shahreza HK, Ghavami M. Design and construction of two yeast shuttle vectors containing human procollagen genes expression cassette for expression in yeast. Avicenna J Med Biotechnol 2011; 3:11-8. [PMID: 23407617 PMCID: PMC3558173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Accepted: 03/20/2011] [Indexed: 11/29/2022] Open
Abstract
Collagens are the most abundant proteins in the human body. Their main function is to provide structural and mechanical support for the tissues, but they are also involved in a number of other biological functions including cell attachment, migration and differentiation. Collagens and gelatins are widely used in pharmaceutical and medical applications. Every year, more than 50,000 tons of collagen and gelatin are used in medical applications. These materials may have some viral and prion impurity and/or stimulate allergic response in human body. Therefore, scientists have produced human collagen in recombinant systems. In this study we have constructed two yeast shuttle vectors containing human procollagen genes expression cassette for expression in yeast. Total RNA was extracted from human skin fibroblast cell line, and cDNA synthesis was done by oligo dt. Then gene fragments were amplified from the cDNA with the necessary changes by Polymerase Chain Reaction (PCR). Finally they were cloned in yeast vector pPICZαA containing regulatory sequences for expressing and secreting the polypeptide product. Two yeast shuttle vectors containing human COL1A1 and COL1A2 expression cassettes were created. Final constructs were confirmed by enzymatic digestion, PCR of desired fragment and sequencing. The yeast shuttle vectors containing human COL1A1 and COL1A2 can be transferred into the yeast in the later stages to determine the scale of expression.
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Affiliation(s)
- Baharak Abdemami
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran,Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Ali Shokrgozar
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran,Corresponding author: Mohammad Ali Shokrgozar, Ph.D., National Cell Bank of Iran, Pasteur Institute of Iran, Pasteur Ave, Tehran-13164, Iran. Tel: + 98 21 66492595, + 98 261 6100922. Fax: + 98 21 66492595. E-mail:
| | - Hossein Khanahmad Shahreza
- Pasteur Research and Production Complex, Karaj, Iran,Corresponding author:Hossein Khanahmad Shahreza, Pasteur Research and Production Complex, Karaj, Iran. Tel: + 98 21 66492595, + 98 261 6100922. Fax: + 98 21 66492595. E-mail:
| | - Mehdi Ghavami
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran,Science and Research Branch, Islamic Azad University, Tehran, Iran
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Chan SWP, Hung SP, Raman SK, Hatfield GW, Lathrop RH, Da Silva NA, Wang SW. Recombinant human collagen and biomimetic variants using a de novo gene optimized for modular assembly. Biomacromolecules 2010; 11:1460-9. [PMID: 20481478 DOI: 10.1021/bm100052y] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A collagen-mimetic polymer that can be easily engineered with specific cell-responsive and mechanical properties would be of significant interest for fundamental cell-matrix studies and applications in regenerative medicine. However, oligonucleotide-based synthesis of full-length collagen has been encumbered by the characteristic glycine-X-Y sequence repetition, which promotes mismatched oligonucleotide hybridizations during de novo gene assembly. In this work, we report a novel, modular synthesis strategy that yields full-length human collagen III and specifically defined variants. We used a computational algorithm that applies codon degeneracy to design oligonucleotides that favor correct hybridizations while disrupting incorrect ones for gene synthesis. The resulting recombinant polymers were expressed in Saccharomyces cerevisiae engineered with prolyl-4-hydroxylase. Our modular approach enabled mixing-and-matching domains to fabricate different combinations of collagen variants that contained different secretion signals at the N-terminus and cysteine residues imbedded within the triple-helical domain at precisely defined locations. This work shows the flexibility of our strategy for designing and assembling specifically tailored biomimetic collagen polymers with re-engineered properties.
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Affiliation(s)
- Sam Wei Polly Chan
- Department of Chemical Engineering and Materials Science, University of California, Irvine, California 92697, USA
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Adachi T, Wang X, Murata T, Obara M, Akutsu H, Machida M, Umezawa A, Tomita M. Production of a non-triple helical collagen alpha chain in transgenic silkworms and its evaluation as a gelatin substitute for cell culture. Biotechnol Bioeng 2010; 106:860-70. [PMID: 20589667 DOI: 10.1002/bit.22752] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
We generated transgenic silkworms that synthesized human type I collagen alpha1 chain [alpha1(I) chain] in the middle silk glands and secreted it into cocoons. The initial content of the recombinant alpha1(I) chain in the cocoons of the transgenic silkworms was 0.8%. The IE1 gene, a trans-activator from the baculovirus, was introduced into the transgenic silkworm to increase the content of the chain. We also generated silkworms homozygous for the transgenes. These manipulations increased the alpha1(I) chain content to 8.0% (4.24 mg per cocoon). The alpha1(I) chain was extracted and purified from the cocoons using a very simple method. The alpha1(I) chain contained no hydroxyprolines due to the absence of prolyl-hydroxylase activity in the silk glands. Circular dichroism analysis showed that the secondary structure of the alpha1(I) chain is similar to that of denatured type I collagen, demonstrating the absence of the triple helical structure. Human skin fibroblasts were seeded on the alpha1(I) chain-coated dishes. The cells attached and spread, although at decreased chain concentrations the spreading rate was lower than that of the collagen and gelatin. Cynomolgus monkey embryonic stem cells cultured on the alpha1(I) chain-coated dishes maintained an undifferentiated state after 30 passages, and their pluripotency was confirmed by teratoma formation in severe combined immunodeficient mice. These results show that the recombinant human alpha1(I) chain is a promising candidate biomaterial as a high-quality and safe gelatin substitute for cell culture.
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Affiliation(s)
- Takahiro Adachi
- Neosilk Co., Ltd., 3-13-26 Kagamiyama, Higashihiroshima, Hiroshima 739-0046, Japan
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50
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The collagen V homotrimer [alpha1(V)](3) production is unexpectedly favored over the heterotrimer [alpha1(V)](2)alpha2(V) in recombinant expression systems. J Biomed Biotechnol 2010; 2010:376927. [PMID: 20625483 PMCID: PMC2896673 DOI: 10.1155/2010/376927] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2009] [Revised: 03/19/2010] [Accepted: 03/20/2010] [Indexed: 11/30/2022] Open
Abstract
Collagen V, a fibrillar collagen with important functions in tissues, assembles into distinct
chain associations. The most abundant and ubiquitous molecular form is the heterotrimer
[α1(V)]2α2(V). In the attempt to produce high levels of recombinant collagen V heterotrimer
for biomedical device uses, and to identify key factors that drive heterotrimeric chain
association, several cell expression systems (yeast, insect, and mammalian cells) have been
assayed by cotransfecting the human proα1(V) and proα2(V) chain cDNAs. Suprisingly, in
all recombinant expression systems, the formation of [α1(V)]3 homotrimers was considerably favored over the heterotrimer. In addition, pepsin-sensitive proα2(V) chains were found in HEK-293 cell media indicating that these cells lack quality control proteins preventing
collagen monomer secretion. Additional transfection with Hsp47 cDNA, encoding the
collagen-specific chaperone Hsp47, did not increase heterotrimer production. Double
immunofluorescence with antibodies against collagen V α-chains showed that, contrary to fibroblasts, collagen V α-chains did not colocalized intracellularly in transfected cells. Monensin treatment had no effect on the heterotrimer production. The heterotrimer production seems to require specific machinery proteins, which are not endogenously
expressed in the expression systems. The different constructs and transfected cells we have
generated represent useful tools to further investigate the mechanisms of collagen trimer
assembly.
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