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Geng SL, Zhao XJ, Zhang X, Zhang JH, Mi CL, Wang TY. Recombinant therapeutic proteins degradation and overcoming strategies in CHO cells. Appl Microbiol Biotechnol 2024; 108:182. [PMID: 38285115 PMCID: PMC10824870 DOI: 10.1007/s00253-024-13008-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/20/2023] [Accepted: 01/08/2024] [Indexed: 01/30/2024]
Abstract
Mammalian cell lines are frequently used as the preferred host cells for producing recombinant therapeutic proteins (RTPs) having post-translational modified modification similar to those observed in proteins produced by human cells. Nowadays, most RTPs approved for marketing are produced in Chinese hamster ovary (CHO) cells. Recombinant therapeutic antibodies are among the most important and promising RTPs for biomedical applications. One of the issues that occurs during development of RTPs is their degradation, which caused by a variety of factors and reducing quality of RTPs. RTP degradation is especially concerning as they could result in reduced biological functions (antibody-dependent cellular cytotoxicity and complement-dependent cytotoxicity) and generate potentially immunogenic species. Therefore, the mechanisms underlying RTP degradation and strategies for avoiding degradation have regained an interest from academia and industry. In this review, we outline recent progress in this field, with a focus on factors that cause degradation during RTP production and the development of strategies for overcoming RTP degradation. KEY POINTS: • The recombinant therapeutic protein degradation in CHO cell systems is reviewed. • Enzymatic factors and non-enzymatic methods influence recombinant therapeutic protein degradation. • Reducing the degradation can improve the quality of recombinant therapeutic proteins.
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Affiliation(s)
- Shao-Lei Geng
- International Joint Research Laboratory for Recombinant Pharmaceutical Protein Expression System of Henan, Xinxiang Medical University, Xinxiang, 453003, Henan, China
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, Henan, China
- Henan Engineering Research Center for Biopharmaceutical Innovation, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Xiao-Jie Zhao
- School of Pharmacy, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Xi Zhang
- International Joint Research Laboratory for Recombinant Pharmaceutical Protein Expression System of Henan, Xinxiang Medical University, Xinxiang, 453003, Henan, China
- School of Pharmacy, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Ji-Hong Zhang
- International Joint Research Laboratory for Recombinant Pharmaceutical Protein Expression System of Henan, Xinxiang Medical University, Xinxiang, 453003, Henan, China
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Chun-Liu Mi
- International Joint Research Laboratory for Recombinant Pharmaceutical Protein Expression System of Henan, Xinxiang Medical University, Xinxiang, 453003, Henan, China
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, Henan, China
- Henan Engineering Research Center for Biopharmaceutical Innovation, Xinxiang Medical University, Xinxiang, 453003, Henan, China
| | - Tian-Yun Wang
- International Joint Research Laboratory for Recombinant Pharmaceutical Protein Expression System of Henan, Xinxiang Medical University, Xinxiang, 453003, Henan, China.
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, Henan, China.
- Henan Engineering Research Center for Biopharmaceutical Innovation, Xinxiang Medical University, Xinxiang, 453003, Henan, China.
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Jang YS, Lee K, Park M, Joo Park J, Choi GM, Kim C, Dehkohneh SB, Chi S, Han J, Song MY, Han YH, Cha SH, Goo Kang S. Albumin-binding recombinant human IL-18BP ameliorates macrophage activation syndrome and atopic dermatitis via direct IL-18 inactivation. Cytokine 2023; 172:156413. [PMID: 37918054 DOI: 10.1016/j.cyto.2023.156413] [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: 07/20/2023] [Revised: 10/06/2023] [Accepted: 10/26/2023] [Indexed: 11/04/2023]
Abstract
Given the clinical success of cytokine blockade in managing diverse inflammatory human conditions, this approach could be exploited for numerous refractory or uncontrolled inflammatory conditions by identifying novel targets for functional blockade. Interleukin (IL)-18, a pro-inflammatory cytokine, is relatively underestimated as a therapeutic target, despite accumulated evidence indicating the unique roles of IL-18 in acute and chronic inflammatory conditions, such as macrophage activation syndrome. Herein, we designed a new form of IL-18 blockade, i.e., APB-R3, a long-acting recombinant human IL-18BP linked to human albumin-binding Fab fragment, SL335, for extending half-life. We then explored the pharmacokinetics and pharmacodynamics of APB-R3. In addition to an extended serum half-life, APB-R3 alleviates liver inflammation and splenomegaly in a model of the macrophage activation syndrome induced in IL-18BP knockout mice. Moreover, APB-R3 substantially controlled skin inflammation in a model of atopic dermatitis. Thus, we report APB-R3 as a new potent IL-18 blocking agent that could be applied to treat IL-18-mediated inflammatory diseases.
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Affiliation(s)
- Young-Saeng Jang
- Institute of Bioscience and Biotechnology, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Kyungsun Lee
- AprilBio Co., Ltd., Rm602, Biomedical Science Building, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Mihyun Park
- Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Jin Joo Park
- AprilBio Co., Ltd., Rm602, Biomedical Science Building, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Ga Min Choi
- AprilBio Co., Ltd., Rm602, Biomedical Science Building, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Chohee Kim
- Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Shima Barati Dehkohneh
- Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Susan Chi
- AprilBio Co., Ltd., Rm602, Biomedical Science Building, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Jaekyu Han
- AprilBio Co., Ltd., Rm602, Biomedical Science Building, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Moo Young Song
- AprilBio Co., Ltd., Rm602, Biomedical Science Building, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Yong-Hyun Han
- Laboratory of Pathology and Physiology, College of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea; Multidimensional Genomics Research Center, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Sang-Hoon Cha
- Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Republic of Korea; AprilBio Co., Ltd., Rm602, Biomedical Science Building, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Seung Goo Kang
- Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Republic of Korea; AprilBio Co., Ltd., Rm602, Biomedical Science Building, Kangwon National University, Chuncheon 24341, Republic of Korea; Institute of Bioscience and Biotechnology, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Republic of Korea.
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Ullah A, Shin G, Lim SI. Human serum albumin binders: A piggyback ride for long-acting therapeutics. Drug Discov Today 2023; 28:103738. [PMID: 37591409 DOI: 10.1016/j.drudis.2023.103738] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 07/29/2023] [Accepted: 08/10/2023] [Indexed: 08/19/2023]
Abstract
Human serum albumin (HSA) is the most abundant protein in the blood and has desirable properties as a drug carrier. One of the most promising ways to exploit HSA as a carrier is to append an albumin-binding moiety (ABM) to a drug for in situ HSA binding upon administration. Nature- and library-derived ABMs vary in size, affinity, and epitope, differentially improving the pharmacokinetics of an appended drug. In this review, we evaluate the current state of knowledge regarding various aspects of ABMs and the unique advantages of ABM-mediated drug delivery. Furthermore, we discuss how ABMs can be specifically modulated to maximize potential benefits in clinical development.
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Affiliation(s)
- Aziz Ullah
- Department of Chemical Engineering, Pukyong National University, Busan 48513, Republic of Korea; Gomal Centre of Pharmaceutical Sciences, Faculty of Pharmacy, Gomal University, Dera Ismail Khan 29050, Khyber Pakhtunkhwa, Pakistan
| | - Goeun Shin
- Department of Chemical Engineering, Pukyong National University, Busan 48513, Republic of Korea; Nbios Inc, 7, Jukheon-gil, Gangneung-si, Gangwon-do, Republic of Korea
| | - Sung In Lim
- Department of Chemical Engineering, Pukyong National University, Busan 48513, Republic of Korea; Marine BioResource Co., Ltd., 365, Sinseon-ro, Nam-gu, Busan 48548, Republic of Korea.
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Kim D, Lee S, Cho YH, Kang MJ, Ku CR, Chi H, Ahn J, Lee K, Han J, Chi S, Song MY, Cha SH, Lee EJ. Long-acting recombinant human follicle-stimulating hormone (SAFA-FSH) enhances spermatogenesis. Front Endocrinol (Lausanne) 2023; 14:1132172. [PMID: 36909328 PMCID: PMC9996080 DOI: 10.3389/fendo.2023.1132172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 02/13/2023] [Indexed: 02/25/2023] Open
Abstract
INTRODUCTION Administration of follicle-stimulating hormone (FSH) has been recommended to stimulate spermatogenesis in infertile men with hypogonadotropic hypogonadism, whose sperm counts do not respond to human chorionic gonadotropin alone. However, FSH has a short serum half-life requiring frequent administration to maintain its therapeutic efficacy. To improve its pharmacokinetic properties, we developed a unique albumin-binder technology, termed "anti-serum albumin Fab-associated" (SAFA) technology. We tested the feasibility of applying SAFA technology to create long-acting FSH as a therapeutic candidate for patients with hypogonadotropic hypogonadism. METHODS SAFA-FSH was produced using a Chinese hamster ovary expression system. To confirm the biological function, the production of cyclic AMP and phosphorylation of ERK and CREB were measured in TM4-FSHR cells. The effect of gonadotropin-releasing hormone agonists on spermatogenesis in a hypogonadal rat model was investigated. RESULTS In in vitro experiments, SAFA-FSH treatment increased the production of cyclic AMP and increased the phosphorylation of ERK and CREB in a dose-dependent manner. In animal experiments, sperm production was not restored by human chorionic gonadotropin treatment alone, but was restored after additional recombinant FSH treatment thrice per week or once every 5 days. Sperm production was restored even after additional SAFA-FSH treatment at intervals of once every 5 or 10 days. DISCUSSION Long-acting FSH with bioactivity was successfully created using SAFA technology. These data support further development of SAFA-FSH in a clinical setting, potentially representing an important advancement in the treatment of patients with hypogonadotropic hypogonadism.
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Affiliation(s)
- Daham Kim
- Department of Internal Medicine, Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Soohyun Lee
- Department of Internal Medicine, Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Yoon Hee Cho
- Department of Internal Medicine, Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Min Jeong Kang
- Department of Internal Medicine, Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Cheol Ryong Ku
- Department of Internal Medicine, Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyunjin Chi
- AprilBio Co., Ltd., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea
| | - Jungsuk Ahn
- AprilBio Co., Ltd., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea
| | - Kyungsun Lee
- AprilBio Co., Ltd., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea
| | - Jaekyu Han
- AprilBio Co., Ltd., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea
| | - Susan Chi
- AprilBio Co., Ltd., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea
| | - Moo Young Song
- AprilBio Co., Ltd., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea
| | - Sang-Hoon Cha
- AprilBio Co., Ltd., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea
| | - Eun Jig Lee
- Department of Internal Medicine, Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, Republic of Korea
- *Correspondence: Eun Jig Lee,
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Hauptstein N, Meinel L, Lühmann T. Bioconjugation strategies and clinical implications of Interferon-bioconjugates. Eur J Pharm Biopharm 2022; 172:157-167. [PMID: 35149191 DOI: 10.1016/j.ejpb.2022.02.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/24/2022] [Accepted: 02/05/2022] [Indexed: 02/08/2023]
Abstract
Interferons (IFN) are immunomodulating, antiviral and antiproliferative cytokines for treatment of multiple indications, including cancer, hepatitis, and autoimmune disease. The first IFNs were discovered in 1957, first approved in 1986, and are nowadays listed in the WHO model list of essential Medicines. Three classes of IFNs are known; IFN-α2a and IFN-β belonging to type-I IFNs, IFN-γ a type-II IFN approved for some hereditary diseases and IFN-λs, which form the newest class of type-III IFNs. IFN-λs were discovered in the last decade with fascinating yet under discovered pharmaceutical potential. This article reviews available IFN drugs, their field and route of application, while also outlining available and future strategies for bioconjugation to further optimize pharmaceutical and clinical performances of all three available IFN classes.
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Affiliation(s)
- Niklas Hauptstein
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, DE-97074, Würzburg, Germany
| | - Lorenz Meinel
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, DE-97074, Würzburg, Germany; Helmholtz Institute for RNA-Based Infection Research (HIRI), Helmholtz Center for Infection Research (HZI), DE-97080 Würzburg, Germany
| | - Tessa Lühmann
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, DE-97074, Würzburg, Germany.
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Chi HJ, Park M, Han JK, Kim SM, Kang S, Yang JH, Cha SH. APB-F1, a long-acting feline granulocyte colony-stimulating factor fusion protein, created by exploiting FL335, a chimeric Fab specific for feline serum albumin. Vet Immunol Immunopathol 2021; 240:110322. [PMID: 34509747 DOI: 10.1016/j.vetimm.2021.110322] [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: 03/15/2021] [Revised: 08/12/2021] [Accepted: 08/26/2021] [Indexed: 10/20/2022]
Abstract
Off-label use of a human granulocyte colony stimulating factor (hG-CSF) has been allowed to treat dogs and cats with neutropenia. However, repeated administration of hG-CSF induces undesirable anti-drug antibody (ADA) responses, implying the necessity of animal-derived G-CSF as a therapeutic reagent, preferably with a long-acting capability. Herein, we generated a recombinant fusion protein by genetically combining FL335, a chimeric Fab specific for feline serum albumin (FSA), and feline G-CSF (fG-CSF), with the ultimate goal of developing a long-acting therapeutic fG-CSF for cats. The resulting FL335-fG-CSF fusion protein, referred to as APB-F1, was produced well as a functional form in a Chinese hamster ovary (CHO) expression system. In in vitro analyses, APB-F1 bound to FSA at high affinity (KD = 400 pM) and possessed 0.78 × 107 U/mg G-CSF biological activity, clearly proving its biological functionality. Pharmacokinetic (PK) and pharmacodynamic (PD) studies using healthy cats revealed that the serum half-life (t1/2) of APB-F1 was increased five times compared with that of fG-CSF (t1/2 = 13.3 h vs. 2.7 h) in subcutaneous (SC) injections. Additionally, APB-F1 induced a profound and sustained increase in white blood cell (WBC) and actual neutrophil count (ANC) up to 10 days, which was far superior to other G-CSF preparations, including filgrastim (Neupogen™) and even pegfilgrastim (Neulasta™). Conclusively, a long-acting fG-CSF with potent in vivo bioactivity was successfully created by using FL335; thus, we provided evidence that our "anti-serum albumin Fab-associated" (SAFA) technology can be applied reliably in developing valuable long-acting biologics in veterinary medicine.
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Affiliation(s)
- Hyun-Jin Chi
- Aprilbio Co., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea; Department of Systems Immunology, Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon, Republic of Korea
| | - Mihyun Park
- Aprilbio Co., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea; Department of Systems Immunology, Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon, Republic of Korea
| | - Jae-Kyu Han
- Aprilbio Co., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea
| | - Sun-Mi Kim
- Aprilbio Co., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea
| | - SeungGoo Kang
- Department of Systems Immunology, Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon, Republic of Korea
| | - Jin-Hyuk Yang
- Aprilbio Co., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea; Department of Systems Immunology, Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon, Republic of Korea
| | - Sang-Hoon Cha
- Aprilbio Co., Rm 602, Biomedical Science Building, Kangwon National University, Chuncheon, Republic of Korea; Department of Systems Immunology, Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon, Republic of Korea.
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Cho SY, Han J, Cha SH, Yoon SI. Structural basis of serum albumin recognition by SL335, an antibody Fab extending the serum half-life of protein therapeutics. Biochem Biophys Res Commun 2020; 526:941-946. [DOI: 10.1016/j.bbrc.2020.03.133] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 03/23/2020] [Indexed: 11/29/2022]
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