Ae Sol Lee, Hye Ryoung Heo, Chang Sup Kim, Hyung Joon Cha
{"title":"Improved enzyme-linked immunosorbent assay using surface-adhesive antibody-oriented immobilizing biolinker: a proof-of-concept study","authors":"Ae Sol Lee, Hye Ryoung Heo, Chang Sup Kim, Hyung Joon Cha","doi":"10.1007/s12257-024-00093-7","DOIUrl":"https://doi.org/10.1007/s12257-024-00093-7","url":null,"abstract":"<p>Enzyme-linked immunosorbent assays (ELISA) have been widely used to detect disease-related antigens in clinical and research laboratories. One of the main drawbacks of ELISA is the utilization of physical adsorption for immobilizing antibodies on a surface, causing low sensitivity, reproducibility, and precision. In this study, we applied a BC-MAP linker composed of antibody-immobilizing BC domains of protein A and surface-adhesive mussel adhesive protein (MAP) to an ELISA platform to overcome these limitations. The performance of ELISA using BC-MAP linker was compared with that of untreated ELISA. BC-MAP proteins were reproducibly coated to the surface while exposing BC domains, resulting in twofold higher sensitivity and improved reproducibility of ELISA compared to the untreated ELISA utilizing physical adsorption of antibodies. Thus, the proposed method could be successfully used in ELISA platforms to diagnose and manage diseases.</p>","PeriodicalId":8936,"journal":{"name":"Biotechnology and Bioprocess Engineering","volume":"6 1","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140315700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Oligopeptides derived from rice protein hydrolysates: absorption, bioactivity, preparation, debittering, and application","authors":"Zheng-Fei Yan, Yi-Mei Cai, Yong-Kun Xiao, Shuai Yuan, Xue-Yi Qiao, Bo Xu, Jing Wu","doi":"10.1007/s12257-024-00092-8","DOIUrl":"https://doi.org/10.1007/s12257-024-00092-8","url":null,"abstract":"<p>Rice protein, a high-quality protein, contains all of its essential amino acids, and its amino acid composition is consistent with the ideal pattern recommended by the Food and Agriculture Organization/World Health Organization. Rice protein-derived products as feed additives have rather low added value. Rice protein hydrolysates (RPHs) are valuable products that can be generated from underutilized rice protein. In the RPH, oligopeptide-enriched RPH and its oligopeptides have been proposed as superior candidates for improving absorption and bioavailability and have potential broad application. Thus, this review outlines the absorption behavior, bioactivity, and preparation of rice oligopeptides. The structure-bitterness relationships and debittering of these materials are discussed in detail, as are their safety and allergenicity. Additionally, the applications of rice oligopeptides in the food and pharmaceutical industries as functional ingredients are also highlighted.</p>","PeriodicalId":8936,"journal":{"name":"Biotechnology and Bioprocess Engineering","volume":"119 1","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140302881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"3D microcapsules for human bone marrow-derived mesenchymal stem cell biomanufacturing in a vertical-wheel bioreactor","authors":"","doi":"10.1007/s12257-024-00069-7","DOIUrl":"https://doi.org/10.1007/s12257-024-00069-7","url":null,"abstract":"<h3>Abstract</h3> <p>Microencapsulation of human mesenchymal stromal cells (MSCs) via electrospraying has been well documented in tissue engineering and regenerative medicine. Herein, we report the use of microencapsulation via electrospraying, for MSC expansion using a commercially available hydrogel that is durable, optimized to MSC culture, and enzymatically degradable for cell recovery. Critical parameters of the electrospraying encapsulation process such as seeding density, correlation of microcapsule output with hydrogel volume, and applied voltage were characterized to consistently fabricate cell-laden microcapsules of uniform size. Upon encapsulation, we quantified ~ 10× expansion of encapsulated MSCs within a vertical-wheel bioreactor, and verified the preservation of critical quality attributes including immunophenotype and multipotency after expansion and cell recovery. Finally, we highlight the genetic manipulation of encapsulated MSCs as an example of incorporating bioactive agents in the microcapsule to create new compositions of MSCs with altered phenotypes.</p>","PeriodicalId":8936,"journal":{"name":"Biotechnology and Bioprocess Engineering","volume":"42 1","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140197822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dong Sup Kim, Xiaoguang Yang, Abdus Sobhan, Chulhwan Park, Seung Wook Kim, Jinyoung Lee
{"title":"Development of a glucose enzyme fuel cell based on thin film electrode using biocatalysts","authors":"Dong Sup Kim, Xiaoguang Yang, Abdus Sobhan, Chulhwan Park, Seung Wook Kim, Jinyoung Lee","doi":"10.1007/s12257-024-00065-x","DOIUrl":"https://doi.org/10.1007/s12257-024-00065-x","url":null,"abstract":"<p>Artificial transplantation of the human body, which requires high technology, has been an attractive issue in the 4th industrial revolution era. The artificial equipment for human applications could contain a small-scale power supply. Enzyme fuel cells (EFCs) that generate green energy are being researched for use as the power supply for pacemakers, insulin pump, and retinal implant in human body. This study focused on an (EFC) using thin film electrodes-based on enzyme immobilization technology. The performance of this EFC was improved by enzyme immobilization and electron transfer. To improve the electron transfer, the GO/Co/chitosan composite was modified on the surface of thin film electrode. The properties of this modified surface of thin film electrode were confirmed by analysis of field emission gun scanning electron microscopy, Fourier transform infrared spectroscopy, and atomic force microscopy. The performance of the designed EFC was optimized with immobilized redox enzyme on the modified electrode. The highest power density and voltage are determined as 441.48 µW/cm<sup>2</sup> and − 0.443 V by thin film electrode, respectively. The optimum conditions of the EFC were 0.1 M D-glucose, 0.1 g/L glucose oxidase, pH 7.0, and reaction time of 4 h for both two types of thin film-electrodes.</p>","PeriodicalId":8936,"journal":{"name":"Biotechnology and Bioprocess Engineering","volume":"165 1","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140198069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Dual-drug-loaded MSCs-derived exosomal vesicles inhibit endometrial cancer cell proliferation by promoting apoptosis through the migration and invasion of Rac1/NF-κB/MMP2 signalling pathway","authors":"","doi":"10.1007/s12257-024-00088-4","DOIUrl":"https://doi.org/10.1007/s12257-024-00088-4","url":null,"abstract":"<span> <h3>Abstract</h3> <p>Endometrial carcinoma affects the uterine lining. Endogenous activity, intrinsic targeting, and ability to engage with a host defence system make exosomal vehicles (EVs) a viable cancer treatment alternative. Due to these benefits, mesenchymal stem cell (MSC)-derived EVs loaded with carboplatin and paclitaxel could resemble immune cells to fight cancer. This study found that Car-Pac@EVs downregulated endometrial cancer (EC) cells relative to normal endometrium. Car-Pac@EVs' effects on ECC-1 and HEC-1A EC cells at different doses were examined in vitro. To detect cancer, MTT, flow cytometry, and transwell assays were used. Protein expression was measured by Western blotting and qRT-PCR. Car-Pac@EVs were affected by time- and dose-dependent EC cell proliferation reductions. In EC cells, Car-Pac@EVs triggered apoptosis. Car-Pac@EVs formulation reduced EC cell migration and invasion by reducing MMP-2 expression via Rac1/NF-κB signalling. The results indicated that Car-Pac@EVs may be an effective EC diagnosis and treatment target.</p> </span> <span> <h3>Graphical abstract</h3> <p><span> <span> <img alt=\"\" src=\"https://static-content.springer.com/image/MediaObjects/12257_2024_88_Figa_HTML.png\"/> </span> </span></p> </span>","PeriodicalId":8936,"journal":{"name":"Biotechnology and Bioprocess Engineering","volume":"56 1","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140166706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cell-free systems for a multi-pronged approach to next-generation therapeutics and diagnostics","authors":"","doi":"10.1007/s12257-024-00058-w","DOIUrl":"https://doi.org/10.1007/s12257-024-00058-w","url":null,"abstract":"<h3>Abstract</h3> <p>Effective diagnostics and therapeutics are foundational to modern medical technology. As the drug modality transitions from traditional small-molecule drugs to more intricate protein and nucleic acid-based therapies, there is mounting momentum towards personalized therapeutic approaches. These evolving paradigms challenge conventional biomanufacturing practices, highlighting the need for agile and patient-centric methodologies. Cell-free protein synthesis (CFPS), which facilitates the direct and programmable production of recombinant proteins, emerges as a compelling alternative. It offers rapid, adaptable, and customized protein production capabilities. Furthermore, by leveraging the core molecular mechanisms of gene expression, CFPS is gaining traction in the diagnostics realm, addressing the growing need for sophisticated diagnostic tools. In this review, we survey recent advancements and discuss how CFPS is poised to markedly reshape therapeutic production and diagnostic methods in the foreseeable future.</p>","PeriodicalId":8936,"journal":{"name":"Biotechnology and Bioprocess Engineering","volume":"52 1","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140147693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hyunwoo Kim, Seohyun Park, Rock Ki Kim, Yeong Ok Baik, Kyung Nam Kim, Duk Jae Oh
{"title":"Development and evaluation of orbital rocking motion-based single-use cell culture system, the CELBIC® system","authors":"Hyunwoo Kim, Seohyun Park, Rock Ki Kim, Yeong Ok Baik, Kyung Nam Kim, Duk Jae Oh","doi":"10.1007/s12257-024-00090-w","DOIUrl":"https://doi.org/10.1007/s12257-024-00090-w","url":null,"abstract":"<p>The importance of a single-use bioreactor (SUB) is continuously increasing in research and industrial fields for biopharmaceutical production. In this study, a newly developed SUB system, the CELBIC<sup>®</sup> system, applied with the unique agitation method is introduced, and its physical properties and biological applications are evaluated. The mixing time was in the range of 11.0–129.0 s, and the volumetric mass transfer coefficient, <i>k</i><sub><i>L</i></sub><i>a</i>, measured through surface aeration, was in the range of 2.7–15.5 h<sup>−1</sup> at a working volume of 1–10 L. Biological evaluations using two Chinese hamster ovary (CHO) cell lines, CHO-DG44 and CHO-S cell, were carried out in the CELBIC<sup>®</sup> systems in 1 and 50 L scales, showing similar cell culture performance as that from stirred tank-type bioreactors. These results support the CELBIC<sup>®</sup> system as a new SUB system applicable to cell cultures for biopharmaceutical production.</p>","PeriodicalId":8936,"journal":{"name":"Biotechnology and Bioprocess Engineering","volume":"19 1","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140148039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Establishment of an optimized electroporation method for Halomonas sp. YK44 and its application in the coproduction of PHB and isobutanol","authors":"","doi":"10.1007/s12257-024-00055-z","DOIUrl":"https://doi.org/10.1007/s12257-024-00055-z","url":null,"abstract":"<h3>Abstract</h3> <p>Many <em>Halomonas</em> spp. thrive in high-salinity environments, and their resistance to high salt levels allows for their cultivation in non-sterile conditions. Despite their robustness and potential poly (3-hydroxybutyrate) (PHB) production capability, there are relatively few reports on the engineering of various <em>Halomonas</em> species, and there are still some difficulties in genetically engineering novel <em>Halomonas</em> strains. In particular, conjugation as a transformation method has been employed more frequently than electroporation in <em>Halomonas</em>; however, electroporation is necessary for the accelerated engineering of <em>Halomonas</em> and increased time efficiency. To touch this issue, we collected <em>Halomonas</em> strains and evaluated their PHB production and electroporation efficiencies resulting that the <em>Halomonas</em> sp. YK44 showed the highest electroporation efficiency with high PHB production among the various <em>Halomonas</em> strains. A series of electroporation protocol optimization experiments were conducted to identify optimal conditions for <em>Halomonas</em> sp. YK44 such as main culturing for 10 h, utilizing a DNA concentration of 150–200 μg/mL, and performing electroporation at 2.1 kV, followed by a washing step using 10% glycerol and a recovery period of 36 h with pBBR1MCS2. By introducing isobutanol biosynthetic genes using an optimized electroporation protocol, the highest isobutanol production was obtained at 196 mg/L with 63% PHB content simultaneously and the higher PHB production was obtained at 6.6 g/L with 152 mg/L isobutanol. Our approach showed the overall process to identify a suitable <em>Halomonas</em> host by applying general electroporation methods, optimizing electroporation protocols, and demonstrated the first coproduction of PHB and isobutanol in <em>Halomonas</em>.</p>","PeriodicalId":8936,"journal":{"name":"Biotechnology and Bioprocess Engineering","volume":"1 1","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140148043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kyunghwan Yeom, Yu Jin Park, Hansol Kim, Dong-Yeon Song, Dong-Myung Kim, Ji-Ho Park
{"title":"Photothermal heating of cell-free reactions for on-site production of recombinant proteins","authors":"Kyunghwan Yeom, Yu Jin Park, Hansol Kim, Dong-Yeon Song, Dong-Myung Kim, Ji-Ho Park","doi":"10.1007/s12257-024-00051-3","DOIUrl":"https://doi.org/10.1007/s12257-024-00051-3","url":null,"abstract":"<p>Cell-free synthesis technology is emerging as a versatile platform for biomanufacturing, particularly for on-site production of essential products. In this study, we address a pivotal challenge encountered when utilizing cell-free protein synthesis (CFPS) for on-site production in resource-limited settings. The efficacy of CFPS critically depends on precise temperature regulation. However, traditional heating methods are impractical for application outside of laboratory environments. To address this challenge, we propose an innovative solution that integrates gold nanorods (GNRs) with photothermal properties into the CFPS reaction mixture. Upon activation by a handheld laser module emitting near-infrared light, these GNRs efficiently convert light energy into heat, enabling rapid and precise temperature control for protein synthesis. Our approach not only achieves optimal synthesis temperatures more rapidly than conventional methods but also significantly enhances protein yields, with an increase of over threefold within a 30-min reaction period. In summary, our findings highlight the potential of photothermal heating as a means to ensure portable and efficient protein synthesis in the field. This advancement brings CFPS closer to achieving real-time, on-site protein production.</p>","PeriodicalId":8936,"journal":{"name":"Biotechnology and Bioprocess Engineering","volume":"130 1","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140128763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Use of antioxidants to extend the storage of lyophilized cell-free synthesis system","authors":"Kyu Jae Kim, So Jeong Lee, Dong-Myung Kim","doi":"10.1007/s12257-024-00054-0","DOIUrl":"https://doi.org/10.1007/s12257-024-00054-0","url":null,"abstract":"<p>Modern chemical processes, vital for diverse product manufacturing, often result in substantial energy consumption and environmental waste. As environmental concerns continue to escalate and industries evolve to meet customized demands, biomanufacturing emerges as a promising alternative due to its efficiency, expandability, and eco-friendliness. Cell-free synthesis systems, which harness cellular extracts for biosynthetic reactions, offer a highly adaptable solution for biomanufacturing, particularly when rapid production is required with limited resources. While conventional cell-free systems encounter challenges related to storage and transportation due to the necessity for ultra-cold temperatures, recent studies have demonstrated that these systems can be lyophilized and rehydrated to enable on-demand biomolecule production. Our study aims to enhance the stability of lyophilized cell-free systems. We have discovered the significant role played by antioxidants, specifically dithiothreitol and sodium nitrite, in preserving translational activity during extended storage. This finding represents a significant step forward for decentralized, on-demand protein production using cell-free methods.</p>","PeriodicalId":8936,"journal":{"name":"Biotechnology and Bioprocess Engineering","volume":"25 1","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140128668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}