1
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Glücklich N, Carle S, Diederichs T, Buske J, Mäder K, Garidel P. How enzymatic hydrolysis of polysorbate 20 influences colloidal protein stability. Eur J Pharm Sci 2023; 191:106597. [PMID: 37770006 DOI: 10.1016/j.ejps.2023.106597] [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: 05/13/2023] [Revised: 08/26/2023] [Accepted: 09/25/2023] [Indexed: 10/03/2023]
Abstract
Polysorbates (PS) are esters of ethoxylated sorbitol anhydrides of different composition and are widely used surfactants in biologics. PSs are applied to increase protein stability and concomitant shelf-life via shielding against e.g., interfacial stresses. Due to the presence of specific lipolytic host cell protein (HCP) contaminations in the drug substance, PSs can be degraded via enzymatic hydrolysis. Surfactant hydrolysis leads to the formation of degradants, such as free fatty acids that might form fatty acid particles. In addition, PS degradation may reduce surfactant functionality and thus reduce the protection of the active pharmaceutical ingredient (API). Although enzymatic degradation was observed and reported in the last years, less is known about the relationship between certain polysorbate degradation patterns and the increase of mechanical and interfacial stress towards the API. In this study, the impact of specifically hydrolyzed polysorbate 20 (PS20) towards the stabilization of two monoclonal antibodies (mAbs) during accelerated shaking stress conditions was investigated. The results show that a specific enzymatic degradation pattern of PS20 can influence the colloidal stability of biopharmaceutical formulations. Furthermore, the kinetics of the appearance of visual phenomena, opalescence, and particle formation depended on the polysorbate degradation fingerprint as induced via the presence of surrogate enzymes. The current case study shows the importance of focusing on specific polysorbate ester fractions to understand the overall colloidal protein stabilizing effect. The performed study gives first insight into the functional properties of PS and helps to evaluate the impact of PS degradation in the formulation development of biopharmaceuticals in general.
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Affiliation(s)
- Nils Glücklich
- Institute of Pharmacy, Faculty of Biosciences, Martin-Luther-University Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, Halle (Saale) 06120, Germany
| | - Stefan Carle
- Innovation Unit, PDB, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Straße 65, Biberach an der Riss 88397, Germany
| | - Tim Diederichs
- Innovation Unit, PDB, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Straße 65, Biberach an der Riss 88397, Germany
| | - Julia Buske
- Innovation Unit, PDB, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Straße 65, Biberach an der Riss 88397, Germany
| | - Karsten Mäder
- Institute of Pharmacy, Faculty of Biosciences, Martin-Luther-University Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, Halle (Saale) 06120, Germany
| | - Patrick Garidel
- Innovation Unit, PDB, Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Straße 65, Biberach an der Riss 88397, Germany; Institute of Chemistry, Faculty of Physical and Theoretical Chemistry, Martin-Luther-University Halle-Wittenberg, Von-Danckelmann-Platz 4, Halle (Saale) 06120, Germany.
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2
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Shi M, McHugh KJ. Strategies for overcoming protein and peptide instability in biodegradable drug delivery systems. Adv Drug Deliv Rev 2023; 199:114904. [PMID: 37263542 PMCID: PMC10526705 DOI: 10.1016/j.addr.2023.114904] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/18/2023] [Accepted: 05/24/2023] [Indexed: 06/03/2023]
Abstract
The global pharmaceutical market has recently shifted its focus from small molecule drugs to peptide, protein, and nucleic acid drugs, which now comprise a majority of the top-selling pharmaceutical products on the market. Although these biologics often offer improved drug specificity, new mechanisms of action, and/or enhanced efficacy, they also present new challenges, including an increased potential for degradation and a need for frequent administration via more invasive administration routes, which can limit patient access, patient adherence, and ultimately the clinical impact of these drugs. Controlled-release systems have the potential to mitigate these challenges by offering superior control over in vivo drug levels, localizing these drugs to tissues of interest (e.g., tumors), and reducing administration frequency. Unfortunately, adapting controlled-release devices to release biologics has proven difficult due to the poor stability of biologics. In this review, we summarize the current state of controlled-release peptides and proteins, discuss existing techniques used to stabilize these drugs through encapsulation, storage, and in vivo release, and provide perspective on the most promising opportunities for the clinical translation of controlled-release peptides and proteins.
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Affiliation(s)
- Miusi Shi
- Department of Bioengineering, Rice University, Houston, TX 77030, USA; The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine, Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, PR China
| | - Kevin J McHugh
- Department of Bioengineering, Rice University, Houston, TX 77030, USA; Department of Chemistry, Rice University, Houston, TX 77030, USA.
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3
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Schvartz M, Saudrais F, Devineau S, Aude JC, Chédin S, Henry C, Millán-Oropeza A, Perrault T, Pieri L, Pin S, Boulard Y, Brotons G, Renault JP. A proteome scale study reveals how plastic surfaces and agitation promote protein aggregation. Sci Rep 2023; 13:1227. [PMID: 36681766 PMCID: PMC9867740 DOI: 10.1038/s41598-023-28412-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/18/2023] [Indexed: 01/22/2023] Open
Abstract
Protein aggregation in biotherapeutics can reduce their activity and effectiveness. It may also promote immune reactions responsible for severe adverse effects. The impact of plastic materials on protein destabilization is not totally understood. Here, we propose to deconvolve the effects of material surface, air/liquid interface, and agitation to decipher their respective role in protein destabilization and aggregation. We analyzed the effect of polypropylene, TEFLON, glass and LOBIND surfaces on the stability of purified proteins (bovine serum albumin, hemoglobin and α-synuclein) and on a cell extract composed of 6000 soluble proteins during agitation (P = 0.1-1.2 W/kg). Proteomic analysis revealed that chaperonins, intrinsically disordered proteins and ribosomes were more sensitive to the combined effects of material surfaces and agitation while small metabolic oligomers could be protected in the same conditions. Protein loss observations coupled to Raman microscopy, dynamic light scattering and proteomic allowed us to propose a mechanistic model of protein destabilization by plastics. Our results suggest that protein loss is not primarily due to the nucleation of small aggregates in solution, but to the destabilization of proteins exposed to material surfaces and their subsequent aggregation at the sheared air/liquid interface, an effect that cannot be prevented by using LOBIND tubes. A guidance can be established on how to minimize these adverse effects. Remove one of the components of this combined stress - material, air (even partially), or agitation - and proteins will be preserved.
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Affiliation(s)
- Marion Schvartz
- Université Paris-Saclay, CEA, CNRS, NIMBE, LIONS, 91191, Gif-Sur-Yvette, France.
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085, Le Mans Cedex, France.
| | - Florent Saudrais
- Université Paris-Saclay, CEA, CNRS, NIMBE, LIONS, 91191, Gif-Sur-Yvette, France
| | - Stéphanie Devineau
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, 75013, Paris, France
| | - Jean-Christophe Aude
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-Sur-Yvette, France
| | - Stéphane Chédin
- Université Paris-Saclay, CEA, CNRS, NIMBE, LIONS, 91191, Gif-Sur-Yvette, France
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-Sur-Yvette, France
| | - Céline Henry
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, PAPPSO, 78350, Jouy-en-Josas, France
| | - Aarón Millán-Oropeza
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, PAPPSO, 78350, Jouy-en-Josas, France
| | - Thomas Perrault
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085, Le Mans Cedex, France
| | - Laura Pieri
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-Sur-Yvette, France
| | - Serge Pin
- Université Paris-Saclay, CEA, CNRS, NIMBE, LIONS, 91191, Gif-Sur-Yvette, France
| | - Yves Boulard
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-Sur-Yvette, France
| | - Guillaume Brotons
- Institut des Molécules et Matériaux du Mans (IMMM), UMR 6283 CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085, Le Mans Cedex, France
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4
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Clauss ZS, Meudom R, Su B, VandenBerg MA, Saini SS, Webber MJ, Chou DHC, Kramer JR. Supramolecular Protein Stabilization with Zwitterionic Polypeptide-Cucurbit[7]uril Conjugates. Biomacromolecules 2023; 24:481-488. [PMID: 36512327 DOI: 10.1021/acs.biomac.2c01319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Protein aggregation is an obstacle for the development of new biopharmaceuticals, presenting challenges in shipping and storage of vital therapies. Though a variety of materials and methods have been explored, the need remains for a simple material that is biodegradable, nontoxic, and highly efficient at stabilizing protein therapeutics. In this work, we investigated zwitterionic polypeptides prepared using a rapid and scalable polymerization technique and conjugated to a supramolecular macrocycle host, cucurbit[7]uril, for the ability to inhibit aggregation of model protein therapeutics insulin and calcitonin. The polypeptides are based on the natural amino acid methionine, and zwitterion sulfonium modifications were compared to analogous cationic and neutral structures. Each polymer was end-modified with a single cucurbit[7]uril macrocycle to afford supramolecular recognition and binding to terminal aromatic amino acids on proteins. Only conjugates prepared from zwitterionic structures of sufficient chain lengths were efficient inhibitors of insulin aggregation and could also inhibit aggregation of calcitonin. This polypeptide exhibited no cytotoxicity in human cells even at concentrations that were five-fold of the intended therapeutic regime. We explored treatment of the zwitterionic polypeptides with a panel of natural proteases and found steady biodegradation as expected, supporting eventual clearance when used as a protein formulation additive.
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Affiliation(s)
- Zachary S Clauss
- Department of Biomedical Engineering, University of Utah, Salt Lake City, Utah 84112, United States
| | - Rolande Meudom
- Department of Pediatrics, Division of Diabetes and Endocrinology, Stanford University, Palo Alto, California 94304, United States
| | - Bo Su
- Department of Chemical Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Michael A VandenBerg
- Department of Chemical Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Simranpreet S Saini
- Department of Biomedical Engineering, University of Utah, Salt Lake City, Utah 84112, United States
| | - Matthew J Webber
- Department of Chemical Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Danny Hung-Chieh Chou
- Department of Pediatrics, Division of Diabetes and Endocrinology, Stanford University, Palo Alto, California 94304, United States
| | - Jessica R Kramer
- Department of Biomedical Engineering, University of Utah, Salt Lake City, Utah 84112, United States
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5
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Ó'Fágáin C, Colliton K. Storage and Lyophilization of Pure Proteins. Methods Mol Biol 2023; 2699:421-475. [PMID: 37647008 DOI: 10.1007/978-1-0716-3362-5_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
This chapter outlines empirical procedures for the storage of pure proteins with preservation of high levels of biological activity. It describes simple and workable means of preventing microbial contamination and proteolytic degradation and the use of various types of stabilizing additives. It sets out the principles of lyophilization (a complex process comprising freezing, primary drying, and secondary drying stages, otherwise known as freeze-drying). There follows a general procedure for the use of lyophilizer apparatus with emphasis on best practice and on pitfalls to avoid. The use of modulated differential scanning calorimetry to measure the glass transition temperature, a key parameter in the design and successful operation of lyophilization processes, is described. This chapter concludes with brief summaries of interesting recent work in the field.
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Affiliation(s)
- Ciarán Ó'Fágáin
- School of Biotechnology, Dublin City University, Dublin, Ireland.
| | - Keith Colliton
- Pfizer Ireland Pharmaceuticals, Grange Castle Business Park, Dublin, Ireland
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6
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Thite NG, Ghazvini S, Wallace N, Feldman N, Calderon CP, Randolph TW. Machine Learning Analysis Provides Insight into Mechanisms of Protein Particle Formation Inside Containers During Mechanical Agitation. J Pharm Sci 2022; 111:2730-2744. [PMID: 35835184 PMCID: PMC9481670 DOI: 10.1016/j.xphs.2022.06.017] [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: 04/27/2022] [Revised: 06/20/2022] [Accepted: 06/20/2022] [Indexed: 11/26/2022]
Abstract
Container choice can influence particle generation within protein formulations. Incompatibility between proteins and containers can manifest as increased particle concentrations, shifts in particle size distributions and changes in particle morphology distributions. In this study, flow imaging microscopy (FIM) combined with machine learning-based goodness-of-fit hypothesis testing algorithms were used in accelerated stability studies to investigate the impact of containers on particle formation. Containers in four major container categories subdivided into eleven container types were filled with monoclonal antibody formulations and agitated with and without headspace, producing subvisible particles. Digital images of the particles were recorded using flow imaging microscopy and analyzed with machine learning algorithms. Particle morphology distributions depended on container category and type, revealing differences that would not have been obvious by analysis of particle concentrations or container surface characteristics alone. Additionally, the algorithm was used to compare morphologies of particles generated in containers against those generated using isolated stresses at air-liquid and container-air-liquid interfaces. These comparisons showed that the morphology distributions of particles formed during agitation most closely resemble distributions that result from exposure of proteins to moving triple interface lines at points where container-air-liquid interfaces intersect. The approach described here can be used to identify dominant causes of particle generation due to protein-container interactions.
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Affiliation(s)
- Nidhi G Thite
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, United States
| | - Saba Ghazvini
- AstraZeneca Gaithersburg, Maryland 20878, United States
| | | | - Naomi Feldman
- AstraZeneca Gaithersburg, Maryland 20878, United States
| | - Christopher P Calderon
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, United States; Ursa Analytics, Denver, CO 80212, United States
| | - Theodore W Randolph
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, United States.
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7
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Gelb M, Messina KMM, Vinciguerra D, Ko JH, Collins J, Tamboline M, Xu S, Ibarrondo FJ, Maynard HD. Poly(trehalose methacrylate) as an Excipient for Insulin Stabilization: Mechanism and Safety. ACS APPLIED MATERIALS & INTERFACES 2022; 14:37410-37423. [PMID: 35968684 PMCID: PMC9412841 DOI: 10.1021/acsami.2c09301] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Insulin, the oldest U.S. Food and Drug Administration (FDA)-approved recombinant protein and a World Health Organization (WHO) essential medicine for treating diabetes globally, faces challenges due to its storage instability. One approach to stabilize insulin is the addition of poly(trehalose methacrylate) (pTrMA) as an excipient. The polymer increases the stability of the peptide to heat and mechanical agitation and has a low viscosity suitable for injection and pumps. However, the safety and stabilizing mechanism of pTrMA is not yet known and is required to understand the potential suitability of pTrMA as an insulin excipient. Herein is reported the immune response, biodistribution, and insulin plasma lifetime in mice, as well as investigation into insulin stabilization. pTrMA alone or formulated with ovalbumin did not elicit an antibody response over 3 weeks in mice, and there was no observable cytokine production in response to pTrMA. Micropositron emission tomography/microcomputer tomography of 64Cu-labeled pTrMA showed excretion of 78-79% ID/cc within 24 h and minimal liver accumulation at 6-8% ID/cc when studied out to 120 h. Further, the plasma lifetime of insulin in mice was not altered by added pTrMA. Formulating insulin with 2 mol equiv of pTrMA improved the stability of insulin to standard storage conditions: 46 weeks at 4 °C yielded 87.0% intact insulin with pTrMA present as compared to 7.8% intact insulin without the polymer. The mechanism by which pTrMA-stabilized insulin was revealed to be a combination of inhibiting deamidation of amino acid residues and preventing fibrillation, followed by aggregation of inactive and immunogenic amyloids all without complexing insulin into its hexameric state, which could delay the onset of insulin activity. Based on the data reported here, we suggest that pTrMA stabilizes insulin as an excipient without adverse effects in vivo and is promising to investigate further for the safe formulation of insulin.
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Affiliation(s)
- Madeline
B. Gelb
- Department
of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569, United States
| | - Kathryn M. M. Messina
- Department
of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569, United States
| | - Daniele Vinciguerra
- Department
of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569, United States
| | - Jeong Hoon Ko
- Department
of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569, United States
| | - Jeffrey Collins
- Department
of Molecular and Medical Pharmacology and Crump Institute for Molecular
Imaging, David Geffen School of Medicine,
University of California, Los Angeles, California 90095-1735, United States
| | - Mikayla Tamboline
- Department
of Molecular and Medical Pharmacology and Crump Institute for Molecular
Imaging, David Geffen School of Medicine,
University of California, Los Angeles, California 90095-1735, United States
| | - Shili Xu
- Department
of Molecular and Medical Pharmacology and Crump Institute for Molecular
Imaging, David Geffen School of Medicine,
University of California, Los Angeles, California 90095-1735, United States
| | - F. Javier Ibarrondo
- Division
of Infectious Diseases, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California 90095-1569, United States
| | - Heather D. Maynard
- Department
of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569, United States
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8
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Kasai T, Wada T, Iijima T, Minami Y, Sakaguchi T, Koga R, Shiratori T, Otsuka Y, Shimada Y, Okayama Y, Goto S. Comparative study of the hydrophobic interaction effect of pH and ionic strength on aggregation/emulsification of Congo red and amyloid fibrillation of insulin. BBA ADVANCES 2022; 2:100036. [PMID: 37082585 PMCID: PMC10074904 DOI: 10.1016/j.bbadva.2021.100036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 11/29/2021] [Accepted: 12/14/2021] [Indexed: 11/19/2022] Open
Abstract
Amyloid fibrillation is provoked by the conformational rearrangement of its source. In our previous study, we claimed that the conformational rearrangement of hen egg white lysozyme requires intermolecular aggregation/packing induced. Our proposed causality of the aggregation and amyloid formation was demonstrated by the quantitative dependence of amyloid fibrillation on pH difference from its isoelectric point (pI) and on the square root of ionic strength in order to reduce the intermolecular repulsion due to the shielding effect of electrolytes (DLVO effect). When Congo red has dianionic form at the pH higher than its pKa, it forms ribbon-like micelle colloids under lower ionic strength, while it loses electrostatic repulsion and aggregates to be emulsified in the octanolic phase under the higher ionic strength. These behaviors of Congo red were resembling to molecular assembly of surfactants. In contrast, the amyloid formation of insulin was proportional to the square root of ionic strength at the pH lower than its isoelectric point. Therefore, the trigger for conformational rearrangement of amyloid fibrillation is predominantly gripped by hydrophobic hydration and an electrostatic shielding effect. We concluded that the both behaviors of Congo red and insulin were derived from a driving force related to the hydrophobic hydration.
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Affiliation(s)
- Takahiro Kasai
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Takashi Wada
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Tsubasa Iijima
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Yoshiko Minami
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Tomoyo Sakaguchi
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Ryotaro Koga
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Tomoki Shiratori
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Yuta Otsuka
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
- Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Yohsuke Shimada
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
- Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Yukiko Okayama
- School of Pharmacy, International University of Health and Welfare, 26001-1 Kita-kanemaru, Ohtawara, Tochigi 236-8501, Japan
| | - Satoru Goto
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
- Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
- School of Pharmacy, International University of Health and Welfare, 26001-1 Kita-kanemaru, Ohtawara, Tochigi 236-8501, Japan
- Corresponding author.
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9
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Maikawa CL, Chen PC, Vuong ET, Nguyen LT, Mann JL, d'Aquino AI, Lal RA, Maahs DM, Buckingham BA, Appel EA. Ultra-Fast Insulin-Pramlintide Co-Formulation for Improved Glucose Management in Diabetic Rats. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2101575. [PMID: 34499434 PMCID: PMC8564421 DOI: 10.1002/advs.202101575] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 07/07/2021] [Indexed: 05/04/2023]
Abstract
Dual-hormone replacement therapy with insulin and amylin in patients with type 1 diabetes has the potential to improve glucose management. Unfortunately, currently available formulations require burdensome separate injections at mealtimes and have disparate pharmacokinetics that do not mimic endogenous co-secretion. Here, amphiphilic acrylamide copolymers are used to create a stable co-formulation of monomeric insulin and amylin analogues (lispro and pramlintide) with synchronous pharmacokinetics and ultra-rapid action. The co-formulation is stable for over 16 h under stressed aging conditions, whereas commercial insulin lispro (Humalog) aggregates in 8 h. The faster pharmacokinetics of monomeric insulin in this co-formulation result in increased insulin-pramlintide overlap of 75 ± 6% compared to only 47 ± 7% for separate injections. The co-formulation results in similar delay in gastric emptying compared to pramlintide delivered separately. In a glucose challenge, in rats, the co-formulation reduces deviation from baseline glucose compared to insulin only, or separate insulin and pramlintide administrations. Further, comparison of interspecies pharmacokinetics of monomeric pramlintide suggests that pharmacokinetics observed for the co-formulation will be well preserved in future translation to humans. Together these results suggest that the co-formulation has the potential to improve mealtime glucose management and reduce patient burden in the treatment of diabetes.
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Affiliation(s)
- Caitlin L Maikawa
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA
| | - Peyton C Chen
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA
| | - Eric T Vuong
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA
| | - Leslee T Nguyen
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA
| | - Joseph L Mann
- Department of Materials Science & Engineering, Stanford University, Stanford, CA, 94305, USA
| | - Andrea I d'Aquino
- Department of Materials Science & Engineering, Stanford University, Stanford, CA, 94305, USA
| | - Rayhan A Lal
- Department of Medicine (Endocrinology), Stanford University, Stanford, CA, 94305, USA
- Department of Pediatrics (Endocrinology), Stanford University, Stanford, CA, 94305, USA
- Diabetes Research Center, Stanford University, Stanford, CA, 94305, USA
| | - David M Maahs
- Department of Pediatrics (Endocrinology), Stanford University, Stanford, CA, 94305, USA
- Diabetes Research Center, Stanford University, Stanford, CA, 94305, USA
| | - Bruce A Buckingham
- Department of Pediatrics (Endocrinology), Stanford University, Stanford, CA, 94305, USA
- Diabetes Research Center, Stanford University, Stanford, CA, 94305, USA
| | - Eric A Appel
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA
- Department of Materials Science & Engineering, Stanford University, Stanford, CA, 94305, USA
- Department of Pediatrics (Endocrinology), Stanford University, Stanford, CA, 94305, USA
- Diabetes Research Center, Stanford University, Stanford, CA, 94305, USA
- ChEM-H Institute, Stanford University, Stanford, CA, 94305, USA
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10
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Amyloidogenicity of peptides targeting diabetes and obesity. Colloids Surf B Biointerfaces 2021; 209:112157. [PMID: 34715595 DOI: 10.1016/j.colsurfb.2021.112157] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 09/20/2021] [Accepted: 10/09/2021] [Indexed: 12/15/2022]
Abstract
Since the discovery of insulin, a century ago, the repertoire of therapeutic polypeptides targeting diabetes - and now also obesity - have increased substantially. The focus on quality has shifted from impure and unstable preparations of animal insulin to highly pure, homologous recombinant insulin, along with other peptide-based hormones and analogs such as amylin analogs (pramlintide, davalintide, cagrilintide), glucagon and glucagon-like peptide-1 receptor agonists (GLP-1, liraglutide, exenatide, semaglutide). Proper formulation, storage, manipulation and usage by professionals and patients are required in order to avoid agglomeration into high molecular weight products (HMWP), either amorphous or amyloid, which could result in potential loss of biological activity and short- or long-term immune reaction and silent inactivation. In this narrative review, we present perspective of the aggregation of therapeutic polypeptides used in diabetes and other metabolic diseases, covering the nature and mechanisms, analytical techniques, physical and chemical stability, strategies aimed to hamper the formation of HMWP, and perspectives on future biopharmaceutical developments.
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11
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Roterman I, Stapor K, Fabian P, Konieczny L. In Silico Modeling of the Influence of Environment on Amyloid Folding Using FOD-M Model. Int J Mol Sci 2021; 22:10587. [PMID: 34638925 PMCID: PMC8508659 DOI: 10.3390/ijms221910587] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/24/2021] [Accepted: 09/25/2021] [Indexed: 11/17/2022] Open
Abstract
The role of the environment in amyloid formation based on the fuzzy oil drop model (FOD) is discussed here. This model assumes that the hydrophobicity distribution within a globular protein is consistent with a 3D Gaussian (3DG) distribution. Such a distribution is interpreted as the idealized effect of the presence of a polar solvent-water. A chain with a sequence of amino acids (which are bipolar molecules) determined by evolution recreates a micelle-like structure with varying accuracy. The membrane, which is a specific environment with opposite characteristics to the polar aquatic environment, directs the hydrophobic residues towards the surface. The modification of the FOD model to the FOD-M form takes into account the specificity of the cell membrane. It consists in "inverting" the 3DG distribution (complementing the Gaussian distribution), which expresses the exposure of hydrophobic residues on the surface. It turns out that the influence of the environment for any protein (soluble or membrane-anchored) is the result of a consensus factor expressing the participation of the polar environment and the "inverted" environment. The ratio between the proportion of the aqueous and the "reversed" environment turns out to be a characteristic property of a given protein, including amyloid protein in particular. The structure of amyloid proteins has been characterized in the context of prion, intrinsically disordered, and other non-complexing proteins to cover a wider spectrum of molecules with the given characteristics based on the FOD-M model.
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Affiliation(s)
- Irena Roterman
- Department of Bioinformatics and Telemedicine, Medical College, Jagiellonian University, Medyczna 7, 30-688 Kraków, Poland
| | - Katarzyna Stapor
- Institute of Computer Science, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland; (K.S.); (P.F.)
| | - Piotr Fabian
- Institute of Computer Science, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland; (K.S.); (P.F.)
| | - Leszek Konieczny
- Chair of Medical Biochemistry, Medical College, Jagiellonian University, Kopernika 7, 31-034 Kraków, Poland;
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12
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Maikawa CL, Mann JL, Kannan A, Meis CM, Grosskopf AK, Ou BS, Autzen AAA, Fuller GG, Maahs DM, Appel EA. Engineering Insulin Cold Chain Resilience to Improve Global Access. Biomacromolecules 2021; 22:3386-3395. [PMID: 34213889 PMCID: PMC8627795 DOI: 10.1021/acs.biomac.1c00474] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
There are 150 million people with diabetes worldwide who require insulin replacement therapy, and the prevalence of diabetes is rising the fastest in middle- and low-income countries. The current formulations require costly refrigerated transport and storage to prevent loss of insulin integrity. This study shows the development of simple "drop-in" amphiphilic copolymer excipients to maintain formulation integrity, bioactivity, pharmacokinetics, and pharmacodynamics for over 6 months when subjected to severe stressed aging conditions that cause current commercial formulation to fail in under 2 weeks. Further, when these copolymers are added to Humulin R (Eli Lilly) in original commercial packaging, they prevent insulin aggregation for up to 4 days at 50 °C compared to less than 1 day for Humulin R alone. These copolymers demonstrate promise as simple formulation additives to increase the cold chain resilience of commercial insulin formulations, thereby expanding global access to these critical drugs for treatment of diabetes.
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Affiliation(s)
- Caitlin L. Maikawa
- Department of Bioengineering, Stanford University, Stanford California 94305, United States
| | - Joseph L. Mann
- Department of Materials Science & Engineering, Stanford University, Stanford, California 94305, United States
| | - Aadithya Kannan
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Catherine M. Meis
- Department of Materials Science & Engineering, Stanford University, Stanford, California 94305, United States
| | - Abigail K. Grosskopf
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Ben S. Ou
- Department of Bioengineering, Stanford University, Stanford California 94305, United States
| | - Anton A. A. Autzen
- Department of Materials Science & Engineering, Stanford University, Stanford, California 94305, United States
- Department of Science and Technology, Aarhus University, Aarhus 8000, Denmark
| | - Gerald G. Fuller
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - David M. Maahs
- Department of Pediatrics (Endocrinology), Stanford University, Stanford, California 94305, United States
- Diabetes Research Center, Stanford University, Stanford, California 94305, United States
| | - Eric A. Appel
- Department of Bioengineering, Stanford University, Stanford California 94305, United States
- Department of Materials Science & Engineering, Stanford University, Stanford, California 94305, United States
- Department of Pediatrics (Endocrinology), Stanford University, Stanford, California 94305, United States
- Diabetes Research Center, Stanford University, Stanford, California 94305, United States
- Stanford CHEM-H Institute, Stanford University, Stanford, California 94305, United States
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13
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Mann JL, Maikawa CL, Smith AAA, Grosskopf AK, Baker SW, Roth GA, Meis CM, Gale EC, Liong CS, Correa S, Chan D, Stapleton LM, Yu AC, Muir B, Howard S, Postma A, Appel EA. An ultrafast insulin formulation enabled by high-throughput screening of engineered polymeric excipients. Sci Transl Med 2021; 12:12/550/eaba6676. [PMID: 32611683 DOI: 10.1126/scitranslmed.aba6676] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 05/20/2020] [Indexed: 12/13/2022]
Abstract
Insulin has been used to treat diabetes for almost 100 years; yet, current rapid-acting insulin formulations do not have sufficiently fast pharmacokinetics to maintain tight glycemic control at mealtimes. Dissociation of the insulin hexamer, the primary association state of insulin in rapid-acting formulations, is the rate-limiting step that leads to delayed onset and extended duration of action. A formulation of insulin monomers would more closely mimic endogenous postprandial insulin secretion, but monomeric insulin is unstable in solution using present formulation strategies and rapidly aggregates into amyloid fibrils. Here, we implement high-throughput-controlled radical polymerization techniques to generate a large library of acrylamide carrier/dopant copolymer (AC/DC) excipients designed to reduce insulin aggregation. Our top-performing AC/DC excipient candidate enabled the development of an ultrafast-absorbing insulin lispro (UFAL) formulation, which remains stable under stressed aging conditions for 25 ± 1 hours compared to 5 ± 2 hours for commercial fast-acting insulin lispro formulations (Humalog). In a porcine model of insulin-deficient diabetes, UFAL exhibited peak action at 9 ± 4 min, whereas commercial Humalog exhibited peak action at 25 ± 10 min. These ultrafast kinetics make UFAL a promising candidate for improving glucose control and reducing burden for patients with diabetes.
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Affiliation(s)
- Joseph L Mann
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94025, USA
| | - Caitlin L Maikawa
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
| | - Anton A A Smith
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94025, USA.,Department of Science and Technology, Aarhus University, 8000 Aarhus, Denmark
| | - Abigail K Grosskopf
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Sam W Baker
- Department of Comparative Medicine, Stanford University, Palo Alto, CA 94305, USA
| | - Gillie A Roth
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
| | - Catherine M Meis
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94025, USA
| | - Emily C Gale
- Department of Biochemistry, Stanford University, Palo Alto, CA 94305, USA
| | - Celine S Liong
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
| | - Santiago Correa
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94025, USA
| | - Doreen Chan
- Department of Chemistry, Stanford University, Stanford, CA 94305, USA
| | | | - Anthony C Yu
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94025, USA
| | - Ben Muir
- CSIRO Manufacturing, Clayton, VIC 3168, Australia
| | - Shaun Howard
- CSIRO Manufacturing, Clayton, VIC 3168, Australia
| | - Almar Postma
- CSIRO Manufacturing, Clayton, VIC 3168, Australia
| | - Eric A Appel
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94025, USA. .,Department of Bioengineering, Stanford University, Stanford, CA 94305, USA.,ChEM-H Institute, Stanford University, Stanford, CA 94305, USA.,Department of Pediatrics (Endocrinology), Stanford University, Stanford, CA 94305, USA
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14
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Blended polar/nonpolar peptide conjugate interferes with human insulin amyloid-mediated cytotoxicity. Bioorg Chem 2021; 111:104899. [PMID: 33882365 DOI: 10.1016/j.bioorg.2021.104899] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 04/04/2021] [Accepted: 04/05/2021] [Indexed: 12/25/2022]
Abstract
Insulin, a peptide hormone and a key regulator of blood glucose level, is routinely administered to type-I diabetic patients to achieve the required glycemic control. Insulin aggregation and ensuing amyloidosis has been observed at repeated insulin injection sites and in injectable formulations. The latter occurs due to insulin agglomeration during shipping and storage. Such insulin amyloid leads to enhanced immunogenicity and allow potential attachment to cell membranes leading to cell permeability and apoptosis. Small molecule inhibitors provide useful interruption of this process and inhibit protein misfolding as well as amyloid formation. In this context, we report the propensity of a palmitoylated peptide conjugate to inhibit insulin aggregation and amyloid-mediated cytotoxicity, via designed interference with polypeptide interfacial interactions.
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15
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Zhang Y, Han D, Dou Z, Veilleux JC, Shi GH, Collins DS, Vlachos PP, Ardekani AM. The Interface Motion and Hydrodynamic Shear of the Liquid Slosh in Syringes. Pharm Res 2021; 38:257-275. [PMID: 33619639 DOI: 10.1007/s11095-021-02992-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 11/18/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE Interface motion and hydrodynamic shear of the liquid slosh during the insertion of syringes upon autoinjector activation may damage the protein drug molecules. Experimentally validated computational fluid dynamics simulations are used in this study to investigate the interfacial motion and hydrodynamic shear due to acceleration and deceleration of syringes. The goal is to explore the role of fluid viscosity, air gap size, syringe acceleration, syringe tilt angle, liquid-wall contact angle, surface tension and fill volume on the interface dynamics caused by autoinjector activation. METHODS A simplified autoinjector platform submerged in water is built to record the syringe and liquid motion without obstruction of view. The syringe kinematics is imported to the simulations based on OpenFOAM InterIsoFoam solver, which is used to study the effects of various physical parameters. RESULTS The simulations agree with experiments on the air-liquid interface profile and interface area. The interfacial area and the volume of fluid subject to high strain rate decrease with the solution viscosity, increase with the air gap height, syringe velocity, tilt angle and syringe wall hydrophobicity, and hardly change with the surface tension and liquid column height. The hydrodynamic shear mainly occurs near the syringe wall and entrained bubbles. CONCLUSION For a given dose of drug solution, the syringe with smaller radius and larger length will generate less liquid slosh. Reducing the air volume and syringe wall hydrophobicity are also helpful to reduce interface area and effective shear. The interface motion is reduced when the syringe axis is aligned with the gravitational direction.
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Affiliation(s)
- Yuchen Zhang
- Department of Mechanical Engineering, Purdue University, West Lafayette, Indiana, USA
| | - Dingding Han
- Department of Mechanical Engineering, Purdue University, West Lafayette, Indiana, USA
| | - Zhongwang Dou
- Department of Mechanical Engineering, Purdue University, West Lafayette, Indiana, USA
| | | | - Galen H Shi
- Eli Lilly and Company, Indianapolis, Indiana, USA
| | | | - Pavlos P Vlachos
- Department of Mechanical Engineering, Purdue University, West Lafayette, Indiana, USA
| | - Arezoo M Ardekani
- Department of Mechanical Engineering, Purdue University, West Lafayette, Indiana, USA.
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16
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Ingle RG, Fang WJ. Prefilled dual chamber devices (DCDs) - Promising high-quality and convenient drug delivery system. Int J Pharm 2021; 597:120314. [PMID: 33540011 DOI: 10.1016/j.ijpharm.2021.120314] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/14/2021] [Accepted: 01/23/2021] [Indexed: 12/22/2022]
Abstract
Prefilled dual chamber devices (DCDs) are combination products containing freeze-dried drug and diluent in two separate chambers of the device. DCDs provide high stability and convenience to patients and doctors, thus significantly improving product quality, patient compliance and market competitiveness. DCDs should also provide seal integrity, sterility and compatibility with biopharmaceuticals and avoid leachability and needle stick injuries. DCDs are promising alternatives to traditional containers or devices for biopharmaceuticals. The regulatory and medical practice to choose plastic DCDs as better alternatives over well-established glass syringes will be addressed here. The impact and major issues during processing, manufacturing, and storage of DCDs are also highlighted. Further discussion clears its business potential, composition, stability testing, and quality standard requirements to deal with market competition. It also covers major role of extractables and leachables in storage stability of the product.
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Affiliation(s)
- Rahul G Ingle
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310016, China
| | - Wei-Jie Fang
- Institute of Drug Metabolism and Pharmaceutical Analysis, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310016, China.
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17
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Maikawa CL, d'Aquino AI, Lal RA, Buckingham BA, Appel EA. Engineering biopharmaceutical formulations to improve diabetes management. Sci Transl Med 2021; 13:eabd6726. [PMID: 33504649 PMCID: PMC8004356 DOI: 10.1126/scitranslmed.abd6726] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 12/22/2020] [Indexed: 12/12/2022]
Abstract
Insulin was first isolated almost a century ago, yet commercial formulations of insulin and its analogs for hormone replacement therapy still fall short of appropriately mimicking endogenous glycemic control. Moreover, the controlled delivery of complementary hormones (such as amylin or glucagon) is complicated by instability of the pharmacologic agents and complexity of maintaining multiple infusions. In this review, we highlight the advantages and limitations of recent advances in drug formulation that improve protein stability and pharmacokinetics, prolong drug delivery, or enable alternative dosage forms for the management of diabetes. With controlled delivery, these formulations could improve closed-loop glycemic control.
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Affiliation(s)
- Caitlin L Maikawa
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
| | - Andrea I d'Aquino
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
| | - Rayhan A Lal
- Department of Medicine (Endocrinology), Stanford University, Stanford, CA 94305, USA
- Department of Pediatrics (Endocrinology), Stanford University, Stanford, CA 94305, USA
- Diabetes Research Center, Stanford University, Stanford, CA 94305, USA
| | - Bruce A Buckingham
- Department of Pediatrics (Endocrinology), Stanford University, Stanford, CA 94305, USA
- Diabetes Research Center, Stanford University, Stanford, CA 94305, USA
| | - Eric A Appel
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA.
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
- Department of Pediatrics (Endocrinology), Stanford University, Stanford, CA 94305, USA
- Diabetes Research Center, Stanford University, Stanford, CA 94305, USA
- ChEM-H Institute, Stanford University, Stanford, CA 94305, USA
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18
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Bardhan M, Dolui S, Chaudhuri S, Paul U, Bhattacharjee G, Ghosal M, Maiti NC, Mukhopadhyay D, Senapati D. Impact of porous nanomaterials on inhibiting protein aggregation behaviour. RSC Adv 2021; 11:3354-3362. [PMID: 35424305 PMCID: PMC8693984 DOI: 10.1039/d0ra10927d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 12/31/2020] [Indexed: 11/21/2022] Open
Abstract
Aggregation of intrinsically disordered as well as the ordered proteins under certain premises or physiological conditions leads to pathological disorder. Here we have presented a detailed investigation on the effect of a porous metallic (Au) and a non-metallic (Si) nanomaterial on the formation of ordered (fiber-like/amyloid) and disordered (amorphous) aggregates of proteins. Porous nanogold (PNG) was found to reduce the amyloid aggregation of insulin but does not have much impact on the lag phase in the aggregation kinetics, whereas porous nano-silica (PNS) was found both to decrease the amount of aggregation as well as prolong the lag phase of amyloid fiber formation from insulin. On the other hand, both the porous nanoparticles are found to decrease the extent of amorphous aggregation (with slight improvement for PNS) of pathogenic huntingtin (Htt) protein in Huntington's disease cell model. This is a noted direct observation in controlling and understanding protein aggregation diseases which may help us to formulate nanotherapeutic drugs for future clinical applications. Aggregation of intrinsically disordered as well as the ordered proteins under certain premises or physiological conditions leads to pathological disorder.![]()
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Affiliation(s)
- Munmun Bardhan
- Chemical Sciences Division
- Saha Institute of Nuclear Physics
- Kolkata 700064
- India
| | - Sandip Dolui
- Indian Institute of Chemical Biology
- Kolkata-700032
- India
| | - Siddhi Chaudhuri
- Biophysics and Structural Genomics Division
- Saha Institute of Nuclear Physics
- Kolkata 700064
- India
| | - Uttam Paul
- Chemical Sciences Division
- Saha Institute of Nuclear Physics
- Kolkata 700064
- India
| | | | - Manorama Ghosal
- Chemical Sciences Division
- Saha Institute of Nuclear Physics
- Kolkata 700064
- India
| | - Nakul C. Maiti
- Biophysics and Structural Genomics Division
- Saha Institute of Nuclear Physics
- Kolkata 700064
- India
| | - Debashis Mukhopadhyay
- Biophysics and Structural Genomics Division
- Saha Institute of Nuclear Physics
- Kolkata 700064
- India
| | - Dulal Senapati
- Chemical Sciences Division
- Saha Institute of Nuclear Physics
- Kolkata 700064
- India
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19
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Knopp JL, Bishop K, Lerios T, Chase JG. Capacity of Infusion Lines for Insulin Adsorption: Effect of Flow Rate on Total Adsorption. J Diabetes Sci Technol 2021; 15:109-120. [PMID: 31561709 PMCID: PMC7783010 DOI: 10.1177/1932296819876924] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
BACKGROUND Insulin adsorption to clinical materials has been well observed, but not well quantified. Insulin adsorption reduces expected and actual insulin delivery and is unaccounted for in insulin therapy or glycemic control. It may thus contribute to poor control and high glycemic variability. This research quantifies the problem in the context of clinical use. METHOD Experimental insulin adsorption data from literature is used to calculate insulin delivery and total insulin adsorption capacities for polyethylene (PE) and polyvinal chloride (PVC) lines at clinically relevant flow rates and concentrations. RESULTS Insulin adsorption capacity decreased hyperbolically with flow rate for both PE and PVC, where low flow scenarios result in greater insulin adherence to infusion lines. When the infusion flow rate was halved from 1 to 0.5 mL/h, twice as much insulin adsorbed to the line. Insulin loss to adsorption resulted in up to ~50% of intended insulin not delivered over 24 hours in a low flow and low concentration context. CONCLUSION Material capacity for insulin adsorption is not constant, but increases with decreasing flow. Different materials have different adsorption capacities. In low flow and low concentration contexts, such as in neonatal or pediatric intensive care, insulin loss to adsorption represents a significant proportion of daily insulin delivery, which needs to be accounted for.
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Affiliation(s)
- Jennifer L. Knopp
- Department of Mechanical Engineering, University of Canterbury, Christchurch, New Zealand
- Jennifer L. Knopp, PhD, Department of Mechanical Engineering, University of Canterbury, 20 Kirkwood Ave, Riccarton, Christchurch 8041, New Zealand.
| | - Kaia Bishop
- Department of Mechanical Engineering, University of Canterbury, Christchurch, New Zealand
| | - Theodore Lerios
- Department of Mechanical Engineering, University of Canterbury, Christchurch, New Zealand
| | - J. Geoffrey Chase
- Department of Mechanical Engineering, University of Canterbury, Christchurch, New Zealand
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20
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Liu Y, Xiong L, Kontopodi E, Boeren S, Zhang L, Zhou P, Hettinga K. Changes in the milk serum proteome after thermal and non-thermal treatment. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2020.102544] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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21
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Meis CM, Salzman EE, Maikawa CL, Smith AAA, Mann JL, Grosskopf AK, Appel EA. Self-Assembled, Dilution-Responsive Hydrogels for Enhanced Thermal Stability of Insulin Biopharmaceuticals. ACS Biomater Sci Eng 2020; 7:4221-4229. [PMID: 34510910 PMCID: PMC8441967 DOI: 10.1021/acsbiomaterials.0c01306] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
![]()
Biotherapeutics currently dominate
the landscape of new drugs because
of their exceptional potency and selectivity. Yet, the intricate molecular
structures that give rise to these beneficial qualities also render
them unstable in formulation. Hydrogels have shown potential as stabilizing
excipients for biotherapeutic drugs, providing protection against
harsh thermal conditions experienced during distribution and storage.
In this work, we report the utilization of a cellulose-based supramolecular
hydrogel formed from polymer–nanoparticle (PNP) interactions
to encapsulate and stabilize insulin, an important biotherapeutic
used widely to treat diabetes. Encapsulation of insulin in these hydrogels
prevents insulin aggregation and maintains insulin bioactivity through
stressed aging conditions of elevated temperature and continuous agitation
for over 28 days. Further, insulin can be easily recovered by dilution
of these hydrogels for administration at the point of care. This supramolecular
hydrogel system shows promise as a stabilizing excipient to reduce
the cold chain dependence of insulin and other biotherapeutics.
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Affiliation(s)
- Catherine M Meis
- Department of Materials Science & Engineering, Stanford University, 496 Lomita Mall, Stanford, California 94305, United States
| | - Erika E Salzman
- Department of Materials Science & Engineering, Stanford University, 496 Lomita Mall, Stanford, California 94305, United States
| | - Caitlin L Maikawa
- Department of Bioengineering, Stanford University, 443 Via Ortega, Stanford, California 94305, United States
| | - Anton A A Smith
- Department of Materials Science & Engineering, Stanford University, 496 Lomita Mall, Stanford, California 94305, United States.,Department of Science and Technology, Aarhus University, 8000 Aarhus, Denmark
| | - Joseph L Mann
- Department of Materials Science & Engineering, Stanford University, 496 Lomita Mall, Stanford, California 94305, United States
| | - Abigail K Grosskopf
- Department of Chemical Engineering, Stanford University, 443 Via Ortega, Stanford, California 94305, United States
| | - Eric A Appel
- Department of Materials Science & Engineering, Stanford University, 496 Lomita Mall, Stanford, California 94305, United States.,Department of Bioengineering, Stanford University, 443 Via Ortega, Stanford, California 94305, United States.,Department of Pediatrics-Endocrinology, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, California 94305, United States.,ChEM-H Institute, Stanford University, 290 Jane Stanford Way, Stanford, California 94305, United States
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22
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Fayter AE, Hasan M, Congdon TR, Kontopoulou I, Gibson MI. Ice recrystallisation inhibiting polymers prevent irreversible protein aggregation during solvent-free cryopreservation as additives and as covalent polymer-protein conjugates. Eur Polym J 2020; 140:110036. [PMID: 33311718 PMCID: PMC7709485 DOI: 10.1016/j.eurpolymj.2020.110036] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/11/2020] [Accepted: 09/15/2020] [Indexed: 01/11/2023]
Abstract
Protein storage and transport is essential to deliver therapies (biologics), enzymes for biotechnological applications, and underpins fundamental structural and molecular biology. To enable proteins to be stored and transported it is often essential to freeze them, requiring cryoprotectants such as glycerol or trehalose. Here we explore the mechanisms by which poly(vinyl alcohol), PVA, a potent ice recrystallisation inhibitor protects proteins during freeze/thaw to enable solvent-free cryopreservation with a focus on comparing mixing, verses polymer-protein conjugation. A panel of poly(vinyl alcohol)s are investigated including commercial, well-defined (from RAFT), and PVA-protein conjugates, to map out PVA's efficacy. Enzymatic activity recovery of lactate dehydrogenase was found to correlate with post-thaw aggregation state (less aggregated protein had greater activity), which was modulated by PVA's ice recrystallisation inhibition activity. This macromolecular cryoprotectant matched the performance of glycerol, but at lower additive concentrations (as low as 1 mg.mL-1). It was also demonstrated that storage at -20 °C, rather than -80 °C was possible using PVA as a cryoprotectant, which is not possible with glycerol storage. A second protein, green-fluorescent protein (GFP), was used to enable screening of molecular weight effects and to obtain PVA-GFP bioconjugates. It was observed that covalent attachment of RAFT-derived PVA showed superior cryoprotectant activity compared to simple mixing of the polymer and protein. These results show that PVA is a real alternative to solvent-based protein storage with potential in biotechnology, food and therapeutics. PVA is already approved for many biomedical applications, is low cost and available on a large scale, making it an ideal cryoprotectant formulation enhancer.
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Affiliation(s)
- Alice E.R. Fayter
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
| | - Muhammad Hasan
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
| | - Thomas R. Congdon
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
| | | | - Matthew I. Gibson
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK
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23
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Ratha BN, Kar RK, Brender JR, Pariary R, Sahoo B, Kalita S, Bhunia A. High-resolution structure of a partially folded insulin aggregation intermediate. Proteins 2020; 88:1648-1659. [PMID: 32683793 DOI: 10.1002/prot.25983] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 06/11/2020] [Accepted: 07/12/2020] [Indexed: 01/01/2023]
Abstract
Insulin has long been served as a model for protein aggregation, both due to the importance of aggregation in the manufacture of insulin and because the structural biology of insulin has been extensively characterized. Despite intensive study, details about the initial triggers for aggregation have remained elusive at the molecular level. We show here that at acidic pH, the aggregation of insulin is likely initiated by a partially folded monomeric intermediate. High-resolution structures of the partially folded intermediate show that it is coarsely similar to the initial monomeric structure but differs in subtle details-the A chain helices on the receptor interface are more disordered and the B chain helix is displaced from the C-terminal A chain helix when compared to the stable monomer. The result of these movements is the creation of a hydrophobic cavity in the center of the protein that may serve as nucleation site for oligomer formation. Knowledge of this transition may aid in the engineering of insulin variants that retain the favorable pharamacokinetic properties of monomeric insulin but are more resistant to aggregation.
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Affiliation(s)
- Bhisma N Ratha
- Department of Biophysics, Bose Institute, Kolkata, India
| | - Rajiv K Kar
- Department of Biophysics, Bose Institute, Kolkata, India
| | - Jeffrey R Brender
- Radiation Biology Branch, National Institutes of Health, Bethesda, Maryland, USA
| | - Ranit Pariary
- Department of Biophysics, Bose Institute, Kolkata, India
| | | | - Sujan Kalita
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, India
| | - Anirban Bhunia
- Department of Biophysics, Bose Institute, Kolkata, India
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24
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Daniels AL, Calderon CP, Randolph TW. Machine learning and statistical analyses for extracting and characterizing "fingerprints" of antibody aggregation at container interfaces from flow microscopy images. Biotechnol Bioeng 2020; 117:3322-3335. [PMID: 32667683 DOI: 10.1002/bit.27501] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 07/01/2020] [Accepted: 07/13/2020] [Indexed: 12/11/2022]
Abstract
Therapeutic proteins are exposed to numerous stresses during their manufacture, shipping, storage and administration to patients, causing them to aggregate and form particles through a variety of different mechanisms. These varied mechanisms generate particle populations with characteristic morphologies, creating "fingerprints" that are reflected in images recorded using flow imaging microscopy. Particle population fingerprints in test samples can be extracted and compared against those of particles produced under baseline conditions using an algorithm that combines machine learning tools such as convolutional neural networks with statistical tools such as nonparametric density estimation and Rosenblatt transform-based goodness-of-fit hypothesis testing. This analysis provides a quantitative method with user-specified type 1 error rates to determine whether the mechanisms that produce particles in test samples differ from particle formation mechanisms operative under baseline conditions. As a demonstration, this algorithm was used to compare particles within intravenous immunoglobulin formulations that were exposed to freeze-thawing and shaking stresses within a variety of different containers. This analysis revealed that seemingly subtle differences in containers (e.g., glass vials from different manufacturers) generated distinguishable particle populations after the stresses were applied. This algorithm can be used to assess the impact of process and formulation changes on aggregation-related product instabilities.
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Affiliation(s)
- Austin L Daniels
- Department of Chemical and Biological Engineering, Center for Pharmaceutical Biotechnology, University of Colorado Boulder, Boulder, Colorado
| | - Christopher P Calderon
- Department of Chemical and Biological Engineering, Center for Pharmaceutical Biotechnology, University of Colorado Boulder, Boulder, Colorado
- Ursa Analytics, Denver, Colorado
| | - Theodore W Randolph
- Department of Chemical and Biological Engineering, Center for Pharmaceutical Biotechnology, University of Colorado Boulder, Boulder, Colorado
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25
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Frost TS, Jiang L, Zohar Y. Pharmacokinetic Analysis of Epithelial/Endothelial Cell Barriers in Microfluidic Bilayer Devices with an Air-Liquid Interface. MICROMACHINES 2020; 11:mi11050536. [PMID: 32466113 PMCID: PMC7281310 DOI: 10.3390/mi11050536] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/20/2020] [Accepted: 05/20/2020] [Indexed: 12/23/2022]
Abstract
As the range of applications of organs-on-chips is broadening, the evaluation of aerosol-based therapies using a lung-on-a-chip model has become an attractive approach. Inhalation therapies are not only minimally invasive but also provide optimal pharmacokinetic conditions for drug absorption. As drug development evolves, it is likely that better screening through use of organs-on-chips can significantly save time and cost. In this work, bio-aerosols of various compounds including insulin were generated using a jet nebulizer. The aerosol flows were driven through microfluidic bilayer devices establishing an air–liquid interface to mimic the blood–air barrier in human small airways. The aerosol flow in the microfluidic devices has been characterized and adjusted to closely match physiological values. The permeability of several compounds, including paracellular and transcellular biomarkers, across epithelial/endothelial cell barriers was measured. Concentration–time plots were established in microfluidic devices with and without cells; the curves were then utilized to extract standard pharmacokinetic parameters such as the area under the curve, maximum concentration, and time to maximum concentration. The cell barrier significantly affected the measured pharmacokinetic parameters, as compound absorption through the barrier decreases with its increasing molecular size. Aerosolizing insulin can lead to the formation of fibrils, prior to its entry to the microfluidic device, with a substantially larger apparent molecular size effectively blocking its paracellular transport. The results demonstrate the advantage of using lung-on-a-chip for drug discovery with applications such as development of novel inhaled therapies.
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Affiliation(s)
- Timothy S. Frost
- Department of Biomedical Engineering, University of Arizona, Tucson, AZ 85721, USA;
- Correspondence:
| | - Linan Jiang
- Department of Aerospace and Mechanical Engineering, University of Arizona, Tucson, AZ 85721, USA;
| | - Yitshak Zohar
- Department of Biomedical Engineering, University of Arizona, Tucson, AZ 85721, USA;
- Department of Aerospace and Mechanical Engineering, University of Arizona, Tucson, AZ 85721, USA;
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26
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Lan W, Chen S. Chemical kinetics, thermodynamics and inactivation kinetics of dextransucrase activity by ultrasound treatment. REACTION KINETICS MECHANISMS AND CATALYSIS 2020. [DOI: 10.1007/s11144-020-01728-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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27
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Akbarian M, Yousefi R, Farjadian F, Uversky VN. Insulin fibrillation: toward strategies for attenuating the process. Chem Commun (Camb) 2020; 56:11354-11373. [DOI: 10.1039/d0cc05171c] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The environmental factors affecting the rate of insulin fibrillation. The factors are representative.
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Affiliation(s)
- Mohsen Akbarian
- Pharmaceutical Sciences Research Center
- Shiraz University of Medical Sciences
- Shiraz
- Iran
| | - Reza Yousefi
- Protein Chemistry Laboratory
- Department of Biology
- College of Sciences
- Shiraz University
- Shiraz
| | - Fatemeh Farjadian
- Pharmaceutical Sciences Research Center
- Shiraz University of Medical Sciences
- Shiraz
- Iran
| | - Vladimir N. Uversky
- Department of Molecular Medicine and Health Byrd Alzheimer's Institute
- Morsani College of Medicine
- University of South Florida
- Tampa
- USA
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28
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Protein misfolding, aggregation and mechanism of amyloid cytotoxicity: An overview and therapeutic strategies to inhibit aggregation. Int J Biol Macromol 2019; 134:1022-1037. [PMID: 31128177 DOI: 10.1016/j.ijbiomac.2019.05.109] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 05/18/2019] [Accepted: 05/18/2019] [Indexed: 12/18/2022]
Abstract
Protein and peptides are converted from their soluble forms into highly ordered fibrillar aggregates under various conditions inside the cell. Such transitions confer diverse neurodegenerative diseases including Alzheimer's disease, Huntington's disease Prion's disease, Parkinson's disease, polyQ and share abnormal folding of potentially cytotoxic protein species linked with degeneration and death of precise neuronal populations. Presently, major advances are made to understand and get detailed insight into the structural basis and mechanism of amyloid formation, cytotoxicity and therapeutic approaches to combat them. Here we highlight classifies and summarizes the detailed overview of protein misfolding and aggregation at their molecular level including the factors that promote protein aggregation under in vivo and in vitro conditions. In addition, we describe the recent technologies that aid the characterization of amyloid aggregates along with several models that might be responsible for amyloid induced cytotoxicity to cells. Overview on the inhibition of amyloidosis by targeting different small molecules (both natural and synthetic origin) have been also discussed, that provides important approaches to identify novel targets and develop specific therapeutic strategies to combat protein aggregation related neurodegenerative diseases.
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29
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Guckeisen T, Hosseinpour S, Peukert W. Isoelectric Points of Proteins at the Air/Liquid Interface and in Solution. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:5004-5012. [PMID: 30892047 DOI: 10.1021/acs.langmuir.9b00311] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Electrostatic interactions play essential roles in determining the function, colloidal stability, and adsorption of proteins on different surfaces and interfaces. Therefore, a molecular-level understanding of the charge state of the proteins under different conditions is required to explain their macroscopic properties. In this study, we have employed an inherently surface-sensitive spectroscopic tool, sum frequency generation spectroscopy, to determine the charge state of a wide range of proteins as a function of pH at the air/liquid interface via measurement of the degree of orientation of water molecules. We compared the isoelectric point (IEP) of the 12 investigated proteins at the air/liquid interface with that in the bulk solution obtained through zeta potential measurements. Ellipsometry is performed to determine the film thickness at the air/liquid interface at different charge states. In particular, protein aggregation at the IEP is reflected by increased film thickness. For all proteins, the interfacial point of zero charge is close (with less than 1 pH unit variation) to that in the bulk solution.
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Affiliation(s)
- Tobias Guckeisen
- Institute of Particle Technology (LFG) , Friedrich-Alexander-Universität-Erlangen-Nürnberg (FAU) , Cauerstraße 4 , 91058 Erlangen , Germany
| | - Saman Hosseinpour
- Institute of Particle Technology (LFG) , Friedrich-Alexander-Universität-Erlangen-Nürnberg (FAU) , Cauerstraße 4 , 91058 Erlangen , Germany
| | - Wolfgang Peukert
- Institute of Particle Technology (LFG) , Friedrich-Alexander-Universität-Erlangen-Nürnberg (FAU) , Cauerstraße 4 , 91058 Erlangen , Germany
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30
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Ratha BN, Kar RK, Kalita S, Kalita S, Raha S, Singha A, Garai K, Mandal B, Bhunia A. Sequence specificity of amylin-insulin interaction: a fragment-based insulin fibrillation inhibition study. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2019; 1867:405-415. [DOI: 10.1016/j.bbapap.2019.01.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 01/03/2019] [Accepted: 01/13/2019] [Indexed: 01/10/2023]
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31
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Manukyan L, Padova J, Mihranyan A. Virus removal filtration of chemically defined Chinese Hamster Ovary cells medium with nanocellulose-based size exclusion filter. Biologicals 2019; 59:62-67. [PMID: 30871931 DOI: 10.1016/j.biologicals.2019.03.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 10/26/2018] [Accepted: 03/01/2019] [Indexed: 12/25/2022] Open
Abstract
Sterility of bioreactors in biotherapeutic processing remains a significant challenge. Virus removal size-exclusion filtration is a robust and highly efficient approach to remove viruses. This article investigates the virus removal capacity of nanocellulose-based filter for upstream bioprocessing of chemically defined Chinese hamster ovary (CHO) cells medium containing Pluronic F-68 (PowerCHO™, Lonza) and supplemented with insulin-transferrin-selenium (ITS) at varying process parameters. Virus retention was assessed by spiking ITS-supplemented PowerCHO™ medium with small-size ΦX174 phage (28 nm) as a surrogate for mammalian parvoviruses. The nanocellulose-based size exclusion filter showed high virus retention capacity (over 4 log10) and high flow rates (around 180 L m-2 h-1). The filter had no impact on ITS supplements during filtration. It was further shown that the filtered PowerCHO™ medium supported cell culture growth with no impact on cell viability, morphology, and confluence. The results of this work show new opportunities in developing cost-efficient virus removal filters for upstream bioprocessing.
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Affiliation(s)
- Levon Manukyan
- Nanotechnology and Functional Materials, Department of Engineering Sciences, Box 534, Uppsala University, 752121, Uppsala, Sweden.
| | - Justine Padova
- Nanotechnology and Functional Materials, Department of Engineering Sciences, Box 534, Uppsala University, 752121, Uppsala, Sweden
| | - Albert Mihranyan
- Nanotechnology and Functional Materials, Department of Engineering Sciences, Box 534, Uppsala University, 752121, Uppsala, Sweden
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32
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Investigation of amyloid formation inhibition of chemically and biogenically from Citrus aurantium L. blossoms and Rose damascena oils of gold nanoparticles: Toxicity evaluation in rat pheochromocytoma PC12 cells. Int J Biol Macromol 2018; 112:703-711. [DOI: 10.1016/j.ijbiomac.2018.02.025] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 02/02/2018] [Accepted: 02/05/2018] [Indexed: 12/19/2022]
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33
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Bhagia S, Dhir R, Kumar R, Wyman CE. Deactivation of Cellulase at the Air-Liquid Interface Is the Main Cause of Incomplete Cellulose Conversion at Low Enzyme Loadings. Sci Rep 2018; 8:1350. [PMID: 29358746 PMCID: PMC5778062 DOI: 10.1038/s41598-018-19848-3] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 01/04/2018] [Indexed: 01/17/2023] Open
Abstract
Amphiphilic additives such as bovine serum albumin (BSA) and Tween have been used to improve cellulose hydrolysis by cellulases. However, there has been a lack of clarity to explain their mechanism of action in enzymatic hydrolysis of pure or low-lignin cellulosic substrates. In this work, a commercial Trichoderma reesei enzyme preparation and the amphiphilic additives BSA and Tween 20 were applied for hydrolysis of pure Avicel cellulose. The results showed that these additives only had large effects on cellulose conversion at low enzyme to substrate ratios when the reaction flasks were shaken. Furthermore, changes in the air-liquid interfacial area profoundly affected cellulose conversion, but surfactants reduced or prevented cellulase deactivation at the air-liquid interface. Not shaking the flasks or adding low amounts of surfactant resulted in near theoretical cellulose conversion at low enzyme loadings given enough reaction time. At low enzyme loadings, hydrolysis of cellulose in lignocellulosic biomass with low lignin content suffered from enhanced enzyme deactivation at the air-liquid interface.
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Affiliation(s)
- Samarthya Bhagia
- Department of Chemical and Environmental Engineering, Bourns College of Engineering, University of California Riverside, 900 University Ave, Riverside, CA, 92521, USA
- Center for Environmental Research and Technology, Bourns College of Engineering, University of California Riverside, 1084 Columbia Ave, Riverside, CA, 92507, USA
- BioEnergy Science Center (BESC), Oak Ridge National Laboratory, PO Box 2008 MS6341, Oak Ridge, TN, 37831, USA
| | - Rachna Dhir
- Department of Chemical and Environmental Engineering, Bourns College of Engineering, University of California Riverside, 900 University Ave, Riverside, CA, 92521, USA
- Center for Environmental Research and Technology, Bourns College of Engineering, University of California Riverside, 1084 Columbia Ave, Riverside, CA, 92507, USA
- BioEnergy Science Center (BESC), Oak Ridge National Laboratory, PO Box 2008 MS6341, Oak Ridge, TN, 37831, USA
| | - Rajeev Kumar
- Center for Environmental Research and Technology, Bourns College of Engineering, University of California Riverside, 1084 Columbia Ave, Riverside, CA, 92507, USA
- BioEnergy Science Center (BESC), Oak Ridge National Laboratory, PO Box 2008 MS6341, Oak Ridge, TN, 37831, USA
| | - Charles E Wyman
- Department of Chemical and Environmental Engineering, Bourns College of Engineering, University of California Riverside, 900 University Ave, Riverside, CA, 92521, USA.
- Center for Environmental Research and Technology, Bourns College of Engineering, University of California Riverside, 1084 Columbia Ave, Riverside, CA, 92507, USA.
- BioEnergy Science Center (BESC), Oak Ridge National Laboratory, PO Box 2008 MS6341, Oak Ridge, TN, 37831, USA.
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34
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Aggregative protein–polyelectrolyte complex for high-concentration formulation of protein drugs. Int J Biol Macromol 2017; 100:11-17. [DOI: 10.1016/j.ijbiomac.2016.06.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 06/02/2016] [Accepted: 06/06/2016] [Indexed: 01/05/2023]
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35
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Song JG, Lee SH, Han HK. The stabilization of biopharmaceuticals: current understanding and future perspectives. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2017. [DOI: 10.1007/s40005-017-0341-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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36
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Massai D, Bolesani E, Diaz DR, Kropp C, Kempf H, Halloin C, Martin U, Braniste T, Isu G, Harms V, Morbiducci U, Dräger G, Zweigerdt R. Sensitivity of human pluripotent stem cells to insulin precipitation induced by peristaltic pump-based medium circulation: considerations on process development. Sci Rep 2017. [PMID: 28638147 PMCID: PMC5479836 DOI: 10.1038/s41598-017-04158-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Controlled large-scale production of human pluripotent stem cells (hPSCs) is indispensable for their envisioned clinical translation. Aiming at advanced process development in suspension culture, the sensitivity of hPSC media to continuous peristaltic pump-based circulation, a well-established technology extensively used in hydraulically-driven bioreactors, was investigated. Unexpectedly, conditioning of low protein media (i.e. E8 and TeSR-E8) in a peristaltic pump circuit induced severe viability loss of hPSCs cultured as aggregates in suspension. Optical, biochemical, and cytological analyses of the media revealed that the applied circulation mode resulted in the reduction of the growth hormone insulin by precipitation of micro-sized particles. Notably, in contrast to insulin depletion, individual withdrawal of other medium protein components (i.e. bFGF, TGFβ1 or transferrin) provoked minor reduction of hPSC viability, if any. Supplementation of the surfactant glycerol or the use of the insulin analogue Aspart did not overcome the issue of insulin precipitation. In contrast, the presence of bovine or human serum albumin (BSA or HSA, respectively) stabilized insulin rescuing its content, possibly by acting as molecular chaperone-like protein, ultimately supporting hPSC maintenance. This study highlights the potential and the requirement of media optimization for automated hPSC processing and has broad implications on media development and bioreactor-based technologies.
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Affiliation(s)
- Diana Massai
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,REBIRTH-Cluster of Excellence, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Emiliano Bolesani
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,REBIRTH-Cluster of Excellence, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Diana Robles Diaz
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,REBIRTH-Cluster of Excellence, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Christina Kropp
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,REBIRTH-Cluster of Excellence, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Henning Kempf
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,REBIRTH-Cluster of Excellence, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Caroline Halloin
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,REBIRTH-Cluster of Excellence, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Ulrich Martin
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,REBIRTH-Cluster of Excellence, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Tudor Braniste
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,National Center for Materials Study and Testing, Technical University of Moldova, Bv. Stefan cel Mare 168, Chisinau, 2004, Republic of Moldova
| | - Giuseppe Isu
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Torino, Italy.,Department of Biomedicine, University of Basel and Department of Surgery, University Hospital of Basel, 4031, Basel, Switzerland
| | - Vanessa Harms
- Institute of Organic Chemistry, Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Umberto Morbiducci
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Torino, Italy
| | - Gerald Dräger
- REBIRTH-Cluster of Excellence, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,Institute of Organic Chemistry, Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Robert Zweigerdt
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany. .,REBIRTH-Cluster of Excellence, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
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37
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Nayef L, Khan MF, Brook MA. The stability of insulin solutions in syringes is improved by ensuring lower molecular weight silicone lubricants are absent. Heliyon 2017; 3:e00264. [PMID: 28367509 PMCID: PMC5362151 DOI: 10.1016/j.heliyon.2017.e00264] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 02/08/2017] [Accepted: 03/09/2017] [Indexed: 11/28/2022] Open
Abstract
Protein drugs such as insulin are almost universally delivered via glass syringes lubricated with silicone oil. It is not uncommon for prefilled syringes (PFS) to become cloudy, which may affect bioavailability or total drug dose. To examine the role, if any, of the silicone oil lubricant in this process, a systematic evaluation of the degree of insulin denaturation and aggregation as a function of silicone oils of different molecular weights was undertaken. The former was measured using fluorescence changes of aqueous insulin/silicone dispersions, while the latter examined changes in turbidity as a function of mixing and silicone oil type; the results were confirmed at two different insulin concentrations and agitation speeds. Lower molecular weight silicones led to the most rapid denaturation and aggregation, and when examined in blends of silicones at a fixed viscosity of 1000 cSt, commonly used for syringe lubrication, more rapid denaturation/aggregation was noted in blends of silicones containing the largest fractions of low molecular weight materials. As a consequence, the molecular weight profile of silicone lubricants should be established prior to the preparation of prefilled syringes.
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Affiliation(s)
- Lamees Nayef
- School of Biomedical Engineering, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4M1, Canada
| | - Madiha F Khan
- School of Biomedical Engineering, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4M1, Canada
| | - Michael A Brook
- School of Biomedical Engineering, McMaster University, 1280 Main St. W., Hamilton, ON L8S 4M1, Canada; Department of Chemistry and Chemical Biology, McMaster University, 1280 Main St. W., Hamilton, ON, L8S 4M1, Canada
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38
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Huang Q, Xie J, Liu Y, Zhou A, Li J. Detecting the Formation and Transformation of Oligomers during Insulin Fibrillation by a Dendrimer Conjugated with Aggregation-Induced Emission Molecule. Bioconjug Chem 2017; 28:944-956. [PMID: 28112906 DOI: 10.1021/acs.bioconjchem.6b00665] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The fibrillation of protein is harmful and impedes the use of protein drugs. It also relates to various debilitating diseases such as Alzheimer's diseases. Thus, investigating the protein fibrillation process is necessary. In this study, poly(amido amine) dendrimers (PAMAM) of generation 3 (G3) and generation 4 (G4) were synthesized and conjugated with 4-aminobiphenyl, an aggregation-induced emission (AIE) moiety, at varied grafting ratios. Among them, one fluorescence probe named G3-biph-3 that was grafted average 3.25 4-aminobiphenyl to the G3, can detect the transformations both from native insulin to oligomers and from oligomers to fibrils. The size difference of native insulin, oligomers, and fibrils was proposed to be the main factor leading to the detection of the above transformations. Different molecular weights of sodium polyacrylate (PAAS) were also applied as a model to interact with G3-biph-3 to further reveal the mechanism. The results indicated that PAMAM with a certain generation and grafted with appropriate AIE groups can detect the oligomer formation and transformation during the insulin fibrillation process.
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Affiliation(s)
- Qin Huang
- Department of Biomedical Polymers and Artificial Organs, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu 610065, China
| | - Jing Xie
- Department of Biomedical Polymers and Artificial Organs, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu 610065, China
| | - Yanpeng Liu
- Department of Biomedical Polymers and Artificial Organs, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu 610065, China
| | - Anna Zhou
- Department of Biomedical Polymers and Artificial Organs, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu 610065, China
| | - Jianshu Li
- Department of Biomedical Polymers and Artificial Organs, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University , Chengdu 610065, China
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39
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Liu Y, Lee J, Mansfield KM, Ko JH, Sallam S, Wesdemiotis C, Maynard HD. Trehalose Glycopolymer Enhances Both Solution Stability and Pharmacokinetics of a Therapeutic Protein. Bioconjug Chem 2017; 28:836-845. [PMID: 28044441 DOI: 10.1021/acs.bioconjchem.6b00659] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Biocompatible polymers such as poly(ethylene glycol) (PEG) have been successfully conjugated to therapeutic proteins to enhance their pharmacokinetics. However, many of these polymers, including PEG, only improve the in vivo lifetimes and do not protect proteins against inactivation during storage and transportation. Herein, we report a polymer with trehalose side chains (PolyProtek) that is capable of improving both the external stability and the in vivo plasma half-life of a therapeutic protein. Insulin was employed as a model biologic, and high performance liquid chromatography and dynamic light scattering confirmed that addition of trehalose glycopolymer as an excipient or covalent conjugation prevented thermal or agitation-induced aggregation of insulin. The insulin-trehalose glycopolymer conjugate also showed significantly prolonged plasma circulation time in mice, similar to the analogous insulin-PEG conjugate. The insulin-trehalose glycopolymer conjugate was active as tested by insulin tolerance tests in mice and retained bioactivity even after exposure to high temperatures. The trehalose glycopolymer was shown to be nontoxic to mice up to at least 1.6 mg/kg dosage. These results together suggest that the trehalose glycopolymer should be further explored as an alternative to PEG for long circulating protein therapeutics.
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Affiliation(s)
- Yang Liu
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles , 607 Charles E. Young Drive, East, Los Angeles, California 90095, United States.,Department of Biomedical and Pharmaceutical Sciences, School of Pharmacy, Chapman University , Irvine, California 92618, United States
| | - Juneyoung Lee
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles , 607 Charles E. Young Drive, East, Los Angeles, California 90095, United States
| | - Kathryn M Mansfield
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles , 607 Charles E. Young Drive, East, Los Angeles, California 90095, United States
| | - Jeong Hoon Ko
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles , 607 Charles E. Young Drive, East, Los Angeles, California 90095, United States
| | - Sahar Sallam
- Department of Chemistry, The University of Akron , 190 East Buchtel Common, Akron, Ohio 44325, United States
| | - Chrys Wesdemiotis
- Department of Chemistry, The University of Akron , 190 East Buchtel Common, Akron, Ohio 44325, United States
| | - Heather D Maynard
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles , 607 Charles E. Young Drive, East, Los Angeles, California 90095, United States
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40
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Abstract
This article outlines empirical procedures for the storage of pure proteins with preservation of high levels of biological activity. It describes simple and workable means of preventing microbial contamination and proteolytic degradation, and the use of various types of stabilizing additives. It sets out the principles of lyophilization (otherwise known as freeze-drying, a complex process comprising freezing, primary dying, and secondary drying stages). There follows a general procedure for the use of lyophilizer apparatus with emphasis on best practice and on pitfalls to avoid. The use of modulated differential scanning calorimetry to measure the glass transition temperature, a key parameter in the design and successful operation of lyophilization processes, is described.
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Affiliation(s)
- Ciarán Ó'Fágáin
- School of Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland.
- National Centre for Sensor Research, Dublin City University, Glasnevin, Dublin 9, Ireland.
| | - Keith Colliton
- Pfizer Ireland Pharmaceuticals, Grange Castle Business Park, Clondalkin, Dublin 22, Ireland
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41
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Frachon T, Bruckert F, Le Masne Q, Monnin E, Weidenhaupt M. Insulin Aggregation at a Dynamic Solid-Liquid-Air Triple Interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:13009-13019. [PMID: 27951683 DOI: 10.1021/acs.langmuir.6b03314] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Therapeutic proteins are privileged in drug development because of their exquisite specificity, which is due to their three-dimensional conformation in solution. During their manufacture, storage, and delivery, interactions with material surfaces and air interfaces are known to affect their stability. The growing use of automated devices for handling and injection of therapeutics increases their exposure to protocols involving intermittent wetting, during which the solid-liquid and liquid-air interfaces meet at a triple contact line, which is often dynamic. Using a microfluidic setup, we analyze the effect of a moving triple interface on insulin aggregation in real time over a hydrophobic surface. We combine thioflavin T fluorescence and reflection interference microscopy to concomitantly monitor insulin aggregation and the morphology of the liquid as it dewets the surface. We demonstrate that insulin aggregates in the region of a moving triple interface and not in regions submitted to hydrodynamic shear stress alone, induced by the moving liquid. During dewetting, liquid droplets form on the surface anchored by adsorbed proteins, and the accumulation of amyloid aggregates is observed exclusively as fluorescent rings growing eccentrically around these droplets. The fluorescent rings expand until the entire channel surface sweeped by the triple interface is covered by amyloid fibers. On the basis of our experimental results, we propose a model describing the growth mechanism of insulin amyloid fibers at a moving triple contact line, where proteins adsorbed at a hydrophobic surface are exposed to the liquid-air interface.
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Affiliation(s)
- Thibaut Frachon
- LMGP, University Grenoble Alpes, CNRS , F-38000 Grenoble, France
- Eveon S.A.S. , Inovallée, F-38330 Montbonnot Saint Martin, France
| | - Franz Bruckert
- LMGP, University Grenoble Alpes, CNRS , F-38000 Grenoble, France
| | - Quentin Le Masne
- Eveon S.A.S. , Inovallée, F-38330 Montbonnot Saint Martin, France
| | - Emmanuel Monnin
- Eveon S.A.S. , Inovallée, F-38330 Montbonnot Saint Martin, France
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42
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Hedegaard SF, Cárdenas M, Barker R, Jorgensen L, van de Weert M. Lipidation Effect on Surface Adsorption and Associated Fibrillation of the Model Protein Insulin. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:7241-7249. [PMID: 27348237 DOI: 10.1021/acs.langmuir.6b00522] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Lipidation of proteins is used in the pharmaceutical field to increase the therapeutic efficacy of proteins. In this study, we investigate the effect of a 14-carbon fatty acid modification on the adsorption behavior of human insulin to a hydrophobic solid surface and the subsequent fibrillation development under highly acidic conditions and elevated temperature by comparing to the fibrillation of human insulin. At these stressed conditions, the lipid modification accelerates the rate of fibrillation in bulk solution. With the use of several complementary surface-sensitive techniques, including quartz crystal microbalance with dissipation monitoring (QCM-D), atomic force microscopy (AFM), and neutron reflectivity (NR), we show that there are two levels of structurally different protein organization at a hydrophobic surface for both human insulin and the lipidated analogue: a dense protein layer formed within minutes on the surface and a diffuse outer layer of fibrillar structures which took hours to form. The two layers may only be weakly connected, and proteins from both layers are able to desorb from the surface. The lipid modification increases the protein surface coverage and the thickness of both layer organizations. Upon lipidation not only the fibrillation extent but also the morphology of the fibrillar structures changes from fibril clusters on the surface to a more homogeneous network of fibrils covering the entire hydrophobic surface.
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Affiliation(s)
- Sofie Fogh Hedegaard
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen , Universitetsparken 2, 2100 Copenhagen O, Denmark
| | - Marité Cárdenas
- Department of Biomedical Science and Biofilms Research Center for Biointerfaces, Faculty of Health and Society, Malmo University , Per Albin Hanssons väg 35, 214 32 Malmö, Sweden
- Department of Chemistry, Faculty of Science, University of Copenhagen , Universitetsparken 5, 2100 Copenhagen O, Denmark
| | - Robert Barker
- Institut Laue-Langevin, 71 avenue des Martyrs, 38042 Grenoble, Cedex 9, France
| | - Lene Jorgensen
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen , Universitetsparken 2, 2100 Copenhagen O, Denmark
| | - Marco van de Weert
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen , Universitetsparken 2, 2100 Copenhagen O, Denmark
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43
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Aggregation and Particle Formation of Therapeutic Proteins in Contact With a Novel Fluoropolymer Surface Versus Siliconized Surfaces: Effects of Agitation in Vials and in Prefilled Syringes. J Pharm Sci 2016; 105:2053-65. [DOI: 10.1016/j.xphs.2016.04.015] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 04/07/2016] [Accepted: 04/13/2016] [Indexed: 12/18/2022]
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44
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Saha S, Deep S. Glycerol inhibits the primary pathways and transforms the secondary pathway of insulin aggregation. Phys Chem Chem Phys 2016; 18:18934-48. [PMID: 27353748 DOI: 10.1039/c6cp02906j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Aggregation of insulin initiated from the monomeric form proceeds via the secondary pathway of fragmentation. It was interesting to find that glycerol had the potential to transform the secondary pathway of aggregation from fragmentation to heterogeneous nucleation in a concentration dependent manner. Such a change in the secondary pathway was manifested by a change in the fibrillar morphology, wherein, longer fibrils were formed in the presence of glycerol. Glycerol could inhibit all the major steps of insulin aggregation. The analysis of the kinetic traces suggested that the inhibitory effect was most significant on the primary pathways, although secondary nucleation and elongation were also inhibited. In fact, at higher glycerol concentrations, the primary pathways were inhibited to such an extent that the majority of the aggregation was now driven by the secondary pathways. Our data suggest that glycerol binds to the early intermediates in the insulin aggregation pathway, and inhibits them from forming the aggregation competent species capable of elongation. As higher order species are formed in the aggregation pathway, the relative stabilization rendered by glycerol diminishes due to the exclusion of glycerol from the interface.
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Affiliation(s)
- Shivnetra Saha
- Department of Chemistry, Indian Institute of Technology, Hauz-Khas, New Delhi, Delhi, India.
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45
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Bäcklund FG, Pallbo J, Solin N. Controlling amyloid fibril formation by partial stirring. Biopolymers 2016; 105:249-59. [DOI: 10.1002/bip.22803] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 11/06/2015] [Accepted: 01/04/2016] [Indexed: 01/16/2023]
Affiliation(s)
- Fredrik G. Bäcklund
- Department of Physics, Chemistry, and Biology, Biomolecular and Organic Electronics; Linköping University; 581 83 Linköping Sweden
| | - Jon Pallbo
- Department of Physics, Chemistry, and Biology, Biomolecular and Organic Electronics; Linköping University; 581 83 Linköping Sweden
| | - Niclas Solin
- Department of Physics, Chemistry, and Biology, Biomolecular and Organic Electronics; Linköping University; 581 83 Linköping Sweden
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46
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Shamsi A, Ahmed A, Bano B. Glyoxal induced structural transition of buffalo kidney cystatin to molten globule and aggregates: Anti-fibrillation potency of quinic acid. IUBMB Life 2016; 68:156-66. [DOI: 10.1002/iub.1471] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Accepted: 12/20/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Anas Shamsi
- Department of Biochemistry, Faculty of Life Sciences; Aligarh Muslim University; Aligarh Uttar Pradesh India
| | - Azaj Ahmed
- Department of Biochemistry, Faculty of Life Sciences; Aligarh Muslim University; Aligarh Uttar Pradesh India
| | - Bilqees Bano
- Department of Biochemistry, Faculty of Life Sciences; Aligarh Muslim University; Aligarh Uttar Pradesh India
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47
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Maruyama T, Izaki S, Kurinomaru T, Handa K, Kimoto T, Shiraki K. Protein-poly(amino acid) precipitation stabilizes a therapeutic protein l-asparaginase against physicochemical stress. J Biosci Bioeng 2015; 120:720-4. [DOI: 10.1016/j.jbiosc.2015.04.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 04/03/2015] [Accepted: 04/14/2015] [Indexed: 11/24/2022]
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48
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Hertel SP, Winter G, Friess W. Protein stability in pulmonary drug delivery via nebulization. Adv Drug Deliv Rev 2015; 93:79-94. [PMID: 25312674 DOI: 10.1016/j.addr.2014.10.003] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 08/22/2014] [Accepted: 10/01/2014] [Indexed: 10/24/2022]
Abstract
Protein inhalation is a delivery route which offers high potential for direct local lung application of proteins. Liquid formulations are usually available in early stages of biopharmaceutical development and nebulizers are the device of choice for atomization avoiding additional process steps like drying and enabling fast progression to clinical trials. While some proteins were proven to remain stable throughout aerosolization e.g. DNase, many biopharmaceuticals are more susceptible towards the stresses encountered during nebulization. The main reason for protein instability is unfolding and aggregation at the air-liquid interface, a problem which is of particular challenge in the case of ultrasound and jet nebulizers due to recirculation of much of the generated droplets. Surfactants are an important formulation component to protect the sensitive biomolecules. A second important challenge is warming of ultrasound and vibrating mesh devices, which can be overcome by overfilling, precooled solutions or cooling of the reservoir. Ultimately, formulation development has to go hand in hand with device evaluation.
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49
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Izaki S, Kurinomaru T, Handa K, Kimoto T, Shiraki K. Stress Tolerance of Antibody-Poly(Amino Acid) Complexes for Improving the Stability of High Concentration Antibody Formulations. J Pharm Sci 2015; 104:2457-63. [PMID: 26036204 DOI: 10.1002/jps.24515] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Revised: 04/23/2015] [Accepted: 05/05/2015] [Indexed: 02/03/2023]
Abstract
The stabilization of antibodies in aqueous solution against physical stress remains a problematic issue for pharmaceutical applications. Recently, protein-polyelectrolyte complex (PPC) formation using poly(amino acids) was proposed to prepare antibody formulation in a salt-dissociable precipitated state without protein denaturation. Here, we investigated the stabilization effect of PPC of therapeutic antibodies with poly-l-glutamic acid on agitation and thermal stress as forms of mechanical and non-mechanical stress, respectively. The precipitated state of PPC prevented the inactivation and aggregation induced by agitation. Similar results were obtained using the suspension state of PPC, but the stabilizing effects were slightly inferior to those of the PPC precipitate. PPC precipitate and PPC suspension prevented heat-induced inactivation of the antibodies, but showed little effect on heat-induced aggregation. Thus, PPC is a new candidate as a simple storage method for antibodies in aqueous solution, as an alternative state for freeze-drying.
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Affiliation(s)
- Shunsuke Izaki
- Research and Development Center, Terumo Corporation, Nakai-machi, Ashigarakami-gun, Kanagawa, 259-0151, Japan
| | - Takaaki Kurinomaru
- Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, 305-8573, Japan
| | - Kenji Handa
- Research and Development Center, Terumo Corporation, Nakai-machi, Ashigarakami-gun, Kanagawa, 259-0151, Japan
| | - Tomoaki Kimoto
- Research and Development Center, Terumo Corporation, Nakai-machi, Ashigarakami-gun, Kanagawa, 259-0151, Japan
| | - Kentaro Shiraki
- Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, 305-8573, Japan
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50
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Al-Kurdi ZI, Chowdhry BZ, Leharne SA, Al Omari MMH, Badwan AA. Low molecular weight chitosan-insulin polyelectrolyte complex: characterization and stability studies. Mar Drugs 2015; 13:1765-84. [PMID: 25830681 PMCID: PMC4413186 DOI: 10.3390/md13041765] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Revised: 01/28/2015] [Accepted: 02/03/2015] [Indexed: 11/24/2022] Open
Abstract
The aim of the work reported herein was to investigate the effect of various low molecular weight chitosans (LMWCs) on the stability of insulin using USP HPLC methods. Insulin was found to be stable in a polyelectrolyte complex (PEC) consisting of insulin and LMWC in the presence of a Tris-buffer at pH 6.5. In the presence of LMWC, the stability of insulin increased with decreasing molecular weight of LMWC; 13 kDa LMWC was the most efficient molecular weight for enhancing the physical and chemical stability of insulin. Solubilization of insulin-LMWC polyelectrolyte complex (I-LMWC PEC) in a reverse micelle (RM) system, administered to diabetic rats, results in an oral delivery system for insulin with acceptable bioactivity.
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Affiliation(s)
- Zakieh I Al-Kurdi
- The Jordanian Pharmaceutical Manufacturing Company (PLC), Suwagh Subsidiary for Drug Delivery Systems, P.O. Box 94, Naor 11710, Jordan.
- Faculty of Engineering & Science, University of Greenwich, Medway Campus, Chatham Maritime, Kent ME44TB, UK.
| | - Babur Z Chowdhry
- Faculty of Engineering & Science, University of Greenwich, Medway Campus, Chatham Maritime, Kent ME44TB, UK.
| | - Stephen A Leharne
- Faculty of Engineering & Science, University of Greenwich, Medway Campus, Chatham Maritime, Kent ME44TB, UK.
| | - Mahmoud M H Al Omari
- The Jordanian Pharmaceutical Manufacturing Company (PLC), Suwagh Subsidiary for Drug Delivery Systems, P.O. Box 94, Naor 11710, Jordan.
| | - Adnan A Badwan
- The Jordanian Pharmaceutical Manufacturing Company (PLC), Suwagh Subsidiary for Drug Delivery Systems, P.O. Box 94, Naor 11710, Jordan.
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