1
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Kim YH, Park C, Nguyen HD, V Ngo H, Lee BJ. Self-assembled nanonization of fatty acid-conjugated vaccine antigen for enhanced thermal stability. Int J Pharm 2024; 658:124176. [PMID: 38688427 DOI: 10.1016/j.ijpharm.2024.124176] [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: 12/20/2023] [Revised: 04/02/2024] [Accepted: 04/28/2024] [Indexed: 05/02/2024]
Abstract
The aim of this study was to evaluate the enhanced thermal stability and physicochemical properties of fattigated vaccine antigens. High molecular weight influenza hemagglutinin (Heg) was used as a model antigen because of low heat stability requiring cold chamber. Heg was conjugated with long-chain oleic acid (C18) and short-chain 3-decenoic acid (C10) to prepare fattigated Heg. Circular dichroism analysis revealed no significant changes in the three-dimensional structure post-conjugation. In the liquid state, the fattigated Heg was self-assembled into nanoparticles (NPs) due to its amphiphilic nature, with sizes of 136.27 ± 12.78 nm for oleic acid-conjugated Heg (HOC) and 88.73 ± 3.27 nm for 3-decenoic acid-conjugated Heg (HDC). Accelerated thermal stability studies at 60 °C for 7 days demonstrated that fattigated Heg exhibited higher thermal stability than Heg in various liquid or solid states. The longer-chained HOC showed better thermal stability than HDC in the liquid state, attributed to increased hydrophobic interactions during self-assembly. In bio-mimicking liquid states at 37 °C, HOC exhibited higher thermal stability than Heg. Furthermore, solid-state HOC with cryoprotectants (trehalose, mannitol, and Tween® 80) had significantly increased thermal stability due to reduced exposure of protein surface area via nanonization behavior. The current fattigation platform could be a promising strategy for developing thermostable nano vaccines of heat-labile vaccine antigens.
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Affiliation(s)
- Yeon-Ho Kim
- Department of Pharmacy, College of Pharmacy, Ajou University, Suwon 16499, Republic of Korea
| | - Chulhun Park
- College of Pharmacy, Jeju National University, Jeju 63243, Republic of Korea
| | - Hy D Nguyen
- Department of Pharmacy, College of Pharmacy, Ajou University, Suwon 16499, Republic of Korea
| | - Hai V Ngo
- Department of Pharmacy, College of Pharmacy, Ajou University, Suwon 16499, Republic of Korea
| | - Beom-Jin Lee
- Department of Pharmacy, College of Pharmacy, Ajou University, Suwon 16499, Republic of Korea; Institute of Pharmaceutical Science and Technology, Ajou University, Suwon 16499, Republic of Korea.
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2
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Jones W, Gerogiorgis DI. Dynamic optimization of an integrated cultivation-aggregation model for mAb production. Biotechnol Bioeng 2024. [PMID: 38822680 DOI: 10.1002/bit.28761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 05/18/2024] [Accepted: 05/21/2024] [Indexed: 06/03/2024]
Abstract
Due to their proteinaceous structure, monoclonal antibodies (mAbs) are susceptible to irreversible aggregation, with harmful consequences on drug efficacy and patient safety. To mitigate this risk in modern biopharmaceutical processes, it is critical to comply with current good manufacturing practices (cGMP) and pursue operating strategies minimizing irreversible aggregation whilst also maximizing mAb throughput. These conflicting objectives are targeted in this study by formulating and analyzing an integrated dynamic model accounting for both cultivation and aggregation of mAbs from a Chinese Hamster Ovary (CHO) cell line. Two manipulated dynamic variables are considered here in simulation studies: firstly temperature manipulation within a batch reactor, and secondly feed flow manipulation within a series of isothermal fed-batch reactors. Following this, dynamic optimization investigations have been conducted, firstly with the single objective of maximizing mAb throughput and secondly with multiple (two) objectives of maximizing mAb throughput while also minimizing irreversible aggregate content, simultaneously. The study provides key insight into tradeoffs of how simultaneous temperature and feed flowrate manipulation affects mAb throughput and aggregation inside bioreactors.
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Affiliation(s)
- Wil Jones
- School of Engineering, Institute for Materials and Processes (IMP), University of Edinburgh, Edinburgh, Scotland, UK
| | - Dimitrios I Gerogiorgis
- School of Engineering, Institute for Materials and Processes (IMP), University of Edinburgh, Edinburgh, Scotland, UK
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3
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Xie S, Erfani A, Manouchehri S, Ramsey J, Aichele C. Aerosolization of poly(sulfobetaine) microparticles that encapsulate therapeutic antibodies. BIOMATERIALS ADVANCES 2024; 160:213839. [PMID: 38579521 DOI: 10.1016/j.bioadv.2024.213839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/04/2024] [Accepted: 03/23/2024] [Indexed: 04/07/2024]
Abstract
Pulmonary delivery of protein therapeutics poses significant challenges that have not been well addressed in the research literature or practice. In fact, there is currently only one commercial protein therapeutic that is delivered through aerosolization and inhalation. In this study, we propose a drug delivery strategy that enables a high-concentration dosage for the pulmonary delivery of antibodies as an aerosolizable solid powder with desired stability. We utilized zwitterionic polymers for their promising properties as drug delivery vehicles and synthesized swellable, biodegradable poly(sulfo-betaine) (pSB) microparticles. The microparticles were loaded with Immunoglobulin G (IgG) as a model antibody. We quantified the microparticle size and morphology, and the particles were found to have an average diameter of 1.6 μm, falling within the optimal range (~1-5 μm) for pulmonary drug delivery. In addition, we quantified the impact of the crosslinker to monomer ratio on particle morphology and drug loading capacity. The results showed that there is a trade-off between desired morphology and drug loading capacity as the crosslinker density increases. In addition, the particles were aerosolized, and our data indicated that the particles remained intact and retained their initial morphology and size after aerosolization. The combination of morphology, particle size, antibody loading capacity, low cytotoxicity, and ease of aerosolization support the potential use of these particles for pulmonary delivery of protein therapeutics.
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Affiliation(s)
- Songpei Xie
- School of Chemical Engineering, Oklahoma State University, Stillwater, OK 74078, United States of America
| | - Amir Erfani
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, United States of America
| | - Saeed Manouchehri
- School of Chemical Engineering, Oklahoma State University, Stillwater, OK 74078, United States of America
| | - Joshua Ramsey
- School of Chemical Engineering, Oklahoma State University, Stillwater, OK 74078, United States of America
| | - Clint Aichele
- School of Chemical Engineering, Oklahoma State University, Stillwater, OK 74078, United States of America.
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4
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Ito S, Matsunaga R, Nakakido M, Komura D, Katoh H, Ishikawa S, Tsumoto K. High-throughput system for the thermostability analysis of proteins. Protein Sci 2024; 33:e5029. [PMID: 38801228 PMCID: PMC11129621 DOI: 10.1002/pro.5029] [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: 03/28/2024] [Revised: 04/30/2024] [Accepted: 05/06/2024] [Indexed: 05/29/2024]
Abstract
Thermal stability of proteins is a primary metric for evaluating their physical properties. Although researchers attempted to predict it using machine learning frameworks, their performance has been dependent on the quality and quantity of published data. This is due to the technical limitation that thermodynamic characterization of protein denaturation by fluorescence or calorimetry in a high-throughput manner has been challenging. Obtaining a melting curve that derives solely from the target protein requires laborious purification, making it far from practical to prepare a hundred or more samples in a single workflow. Here, we aimed to overcome this throughput limitation by leveraging the high protein secretion efficacy of Brevibacillus and consecutive treatment with plate-scale purification methodologies. By handling the entire process of expression, purification, and analysis on a per-plate basis, we enabled the direct observation of protein denaturation in 384 samples within 4 days. To demonstrate a practical application of the system, we conducted a comprehensive analysis of 186 single mutants of a single-chain variable fragment of nivolumab, harvesting the melting temperature (Tm) ranging from -9.3 up to +10.8°C compared to the wild-type sequence. Our findings will allow for data-driven stabilization in protein design and streamlining the rational approaches.
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Affiliation(s)
- Sae Ito
- Department of Bioengineering, School of EngineeringThe University of TokyoTokyoJapan
| | - Ryo Matsunaga
- Department of Bioengineering, School of EngineeringThe University of TokyoTokyoJapan
- Department of Chemistry and Biotechnology, School of EngineeringThe University of TokyoTokyoJapan
| | - Makoto Nakakido
- Department of Bioengineering, School of EngineeringThe University of TokyoTokyoJapan
- Department of Chemistry and Biotechnology, School of EngineeringThe University of TokyoTokyoJapan
| | - Daisuke Komura
- Department of Preventive Medicine, Graduate School of MedicineThe University of TokyoTokyoJapan
| | - Hiroto Katoh
- Department of Preventive Medicine, Graduate School of MedicineThe University of TokyoTokyoJapan
| | - Shumpei Ishikawa
- Department of Preventive Medicine, Graduate School of MedicineThe University of TokyoTokyoJapan
| | - Kouhei Tsumoto
- Department of Bioengineering, School of EngineeringThe University of TokyoTokyoJapan
- Department of Chemistry and Biotechnology, School of EngineeringThe University of TokyoTokyoJapan
- The Institute of Medical ScienceThe University of TokyoTokyoJapan
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5
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Roy S, Srinivasan VR, Arunagiri S, Mishra N, Bhatia A, Shejale KP, Prajapati KP, Kar K, Anand BG. Molecular insights into the phase transition of lysozyme into amyloid nanostructures: Implications of therapeutic strategies in diverse pathological conditions. Adv Colloid Interface Sci 2024; 331:103205. [PMID: 38875805 DOI: 10.1016/j.cis.2024.103205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 05/13/2024] [Accepted: 05/21/2024] [Indexed: 06/16/2024]
Abstract
Lysozyme, a well-known bacteriolytic enzyme, exhibits a fascinating yet complex behavior when it comes to protein aggregation. Under certain conditions, this enzyme undergoes flexible transformation, transitioning from partially unfolded intermediate units of native conformers into complex cross-β-rich nano fibrillar amyloid architectures. Formation of such lysozyme amyloids has been implicated in a multitude of pathological and medical severities, like hepatic dysfunction, hepatomegaly, splenic rupture as well as spleen dysfunction, nephropathy, sicca syndrome, renal dysfunction, renal amyloidosis, and systemic amyloidosis. In this comprehensive review, we have attempted to provide in-depth insights into the aggregating behavior of lysozyme across a spectrum of variables, including concentrations, temperatures, pH levels, and mutations. Our objective is to elucidate the underlying mechanisms that govern lysozyme's aggregation process and to unravel the complex interplay between its structural attributes. Moreover, this work has critically examined the latest advancements in the field, focusing specifically on novel strategies and systems, that have been implemented to delay or inhibit the lysozyme amyloidogenesis. Apart from this, we have tried to explore and advance our fundamental understanding of the complex processes involved in lysozyme aggregation. This will help the research community to lay a robust foundation for screening, designing, and formulating targeted anti-amyloid therapeutics offering improved treatment modalities and interventions not only for lysozyme-linked amyloidopathy but for a wide range of amyloid-related disorders.
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Affiliation(s)
- Sindhujit Roy
- Biomolecular Self-Assembly Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Venkat Ramanan Srinivasan
- Biomolecular Self-Assembly Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Subash Arunagiri
- Biomolecular Self-Assembly Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Nishant Mishra
- Biomolecular Self-Assembly Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Anubhuti Bhatia
- Biomolecular Self-Assembly Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Kiran P Shejale
- Dept. of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk 37673, South Korea
| | - Kailash Prasad Prajapati
- Biophysical and Biomaterials Research Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Karunakar Kar
- Biophysical and Biomaterials Research Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi 110067, India..
| | - Bibin Gnanadhason Anand
- Biomolecular Self-Assembly Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India..
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6
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Velankar KY, Gawalt ES, Wen Y, Meng WS. Pharmaceutical proteins at the interfaces and the role of albumin. Biotechnol Prog 2024:e3474. [PMID: 38647437 DOI: 10.1002/btpr.3474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 01/15/2024] [Accepted: 04/09/2024] [Indexed: 04/25/2024]
Abstract
A critical measure of the quality of pharmaceutical proteins is the preservation of native conformations of the active pharmaceutical ingredients. Denaturation of the active proteins in any step before administration into patients could lead to loss of potency and/or aggregation, which is associated with an increased risk of immunogenicity of the products. Interfacial stress enhances protein instability as their adsorption to the air-liquid and liquid-solid interfaces are implicated in the formation of denatured proteins and aggregates. While excipients in protein formulations have been employed to reduce the risk of aggregation, the roles of albumin as a stabilizer have not been reviewed from practical and theoretical standpoints. The amphiphilic nature of albumin makes it accumulate at the interfaces. In this review, we aim to bridge the knowledge gap between interfacial instability and the influence of albumin as a surface-active excipient in the context of reducing the immunogenicity risk of protein formulations.
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Affiliation(s)
- Ketki Y Velankar
- Graduate School of Pharmaceutical Sciences, Duquesne University, Pittsburgh, Pennsylvania, USA
| | - Ellen S Gawalt
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, Pennsylvania, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Yi Wen
- Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana, USA
| | - Wilson S Meng
- Graduate School of Pharmaceutical Sciences, Duquesne University, Pittsburgh, Pennsylvania, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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7
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Cohen JR, Brych SR, Prabhu S, Bi V, Elbaradei A, Tokuda JM, Xiang C, Hokom M, Cui X, Ly C, Amos N, Sun J, Calamba D, Herskovitz J, Capili A, Nourbakhsh K, Merlo A, Carreon J, Wypych J, Narhi LO, Jawa V, Joubert MK. A High Threshold of Biotherapeutic Aggregate Numbers is Needed to Induce an Immunogenic Response In Vitro, In Vivo, and in the Clinic. Pharm Res 2024; 41:651-672. [PMID: 38519817 DOI: 10.1007/s11095-024-03678-2] [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: 09/29/2023] [Accepted: 02/15/2024] [Indexed: 03/25/2024]
Abstract
BACKGROUND AND PURPOSE There is concern that subvisible aggregates in biotherapeutic drug products pose a risk to patient safety. We investigated the threshold of biotherapeutic aggregates needed to induce immunogenic responses. METHODS AND RESULTS Highly aggregated samples were tested in cell-based assays and induced cellular responses in a manner that depended on the number of particles. The threshold of immune activation varied by disease state (cancer, rheumatoid arthritis, allergy), concomitant therapies, and particle number. Compared to healthy donors, disease state patients showed an equal or lower response at the late phase (7 days), suggesting they may not have a higher risk of responding to aggregates. Xeno-het mice were used to assess the threshold of immune activation in vivo. Although highly aggregated samples (~ 1,600,000 particles/mL) induced a weak and transient immunogenic response in mice, a 100-fold dilution of this sample (~ 16,000 particles/mL) did not induce immunogenicity. To confirm this result, subvisible particles (up to ~ 18,000 particles/mL, containing aggregates and silicone oil droplets) produced under representative administration practices (created upon infusion of a drug product through an IV catheter) did not induce a response in cell-based assays or appear to increase the rate of adverse events or immunogenicity during phase 3 clinical trials. CONCLUSION The ability of biotherapeutic aggregates to elicit an immune response in vitro, in vivo, and in the clinic depends on high numbers of particles. This suggests that there is a high threshold for aggregates to induce an immunogenic response which is well beyond that seen in standard biotherapeutic drug products.
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Affiliation(s)
- Joseph R Cohen
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA.
| | - Stephen R Brych
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Siddharth Prabhu
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Vivian Bi
- The Department of Biosimilars, Amgen Inc, Thousand Oaks, CA, 91320, USA
| | - Ahmed Elbaradei
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Joshua M Tokuda
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Cathie Xiang
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Martha Hokom
- The Department of Clinical Immunology, Amgen Inc, Thousand Oaks, CA, 91320, USA
- Department of BioAnalytical Sciences, Genentech, Inc, South San Francisco, CA, 94080, USA
| | - Xiaohong Cui
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Claudia Ly
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Nathan Amos
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Jilin Sun
- Translational Safety and Bioanalytical Sciences, Amgen Inc, Thousand Oaks, CA, 91320, USA
| | - Dominador Calamba
- Translational Safety and Bioanalytical Sciences, Amgen Inc, Thousand Oaks, CA, 91320, USA
| | - Jonathan Herskovitz
- The Department of Clinical Immunology, Amgen Inc, Thousand Oaks, CA, 91320, USA
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Allyson Capili
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Kimya Nourbakhsh
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Anthony Merlo
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Julia Carreon
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Jette Wypych
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Linda O Narhi
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA
| | - Vibha Jawa
- The Department of Clinical Immunology, Amgen Inc, Thousand Oaks, CA, 91320, USA
- Department of Pharmacometrics, Disposition & Bioanalysis, Bristol Myers Squibb, Princeton, NJ, 08543, USA
| | - Marisa K Joubert
- The Department of Process Development, Amgen Inc, One Amgen Center Dr, Thousand Oaks, CA, 91320, USA.
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8
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Markus T, Lumer J, Stasavage R, Ruffner DB, Philips LA, Cheong FC. Monitoring polysorbate 80 degradation in protein solutions using Total Holographic Characterization. Int J Pharm 2024; 652:123843. [PMID: 38266941 DOI: 10.1016/j.ijpharm.2024.123843] [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: 11/27/2023] [Revised: 01/17/2024] [Accepted: 01/20/2024] [Indexed: 01/26/2024]
Abstract
The degradation of polysorbate surfactants can limit the shelf life of biologic pharmaceutical products. Polysorbate is susceptible to degradation via either oxidation or hydrolysis pathways which releases free fatty acids (FFA) and other complex polymers. Degradants from Polysorbate 80 (PS80) can form particles and impact drug product quality. PS80 degradation products appear at low concentrations, and their refractive indexes are similar to that of the buffer, making them very challenging to detect. Furthermore, aggregates of FFA are similar in size and refractive index to protein aggregates adding complexity to characterizing these particles in protein solutions. Total Holographic Characterization (THC) is used in this work to characterize FFA particles of oleic acid and linoleic acid, the two most common degradation products of PS80. We demonstrate that the characteristic THC profile of the FFA oleic acid emulsion droplets can be used to monitor the degradation of PS80. THC can detect oleic acid at a concentration down to less than 100 ng/mL. Using the characteristic THC signal of oleic acid as a marker, the degradation of PS80 in protein solutions can be monitored quantitatively even in the presence of other contaminants of the same size, including silicone oil emulsion droplets and protein aggregates.
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Affiliation(s)
| | - Juliana Lumer
- Spheryx Inc., 330 East 38th Street, 48J, NY, 10016, USA
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9
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Mehrdadi S. Lipid-Based Nanoparticles as Oral Drug Delivery Systems: Overcoming Poor Gastrointestinal Absorption and Enhancing Bioavailability of Peptide and Protein Therapeutics. Adv Pharm Bull 2024; 14:48-66. [PMID: 38585451 PMCID: PMC10997935 DOI: 10.34172/apb.2024.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 08/09/2023] [Accepted: 10/08/2023] [Indexed: 04/09/2024] Open
Abstract
Delivery and formulation of oral peptide and protein therapeutics have always been a challenge for the pharmaceutical industry. The oral bioavailability of peptide and protein therapeutics mainly relies on their gastrointestinal solubility and permeability which are affected by their poor membrane penetration, high molecular weight and proteolytic (chemical and enzymatic) degradation resulting in limited delivery and therapeutic efficacy. The present review article highlights the challenges and limitations of oral delivery of peptide and protein therapeutics focusing on the application, potential and importance of solid lipid nanoparticles (SLNs) and nanostructured lipid carriers (NLCs) as lipid-based drug delivery systems (LBDDSs) and their advantages and drawbacks. LBDDSs, due to their lipid-based matrix can encapsulate both lipophilic and hydrophilic drugs, and by reducing the first-pass effect and avoiding proteolytic degradation offer improved drug stability, dissolution rate, absorption, bioavailability and controlled drug release. Furthermore, their small size, high surface area and surface modification increase their mucosal adhesion, tissue-targeted distribution, physiological function and half-life. Properties such as simple preparation, high-scale manufacturing, biodegradability, biocompatibility, prolonged half-life, lower toxicity, lower adverse effects, lipid-based structure, higher drug encapsulation rate and various drug release profile compared to other similar carrier systems makes LBDDSs a promising drug delivery system (DDS). Nevertheless, undesired physicochemical features of peptide and protein drug development and discovery such as plasma stability, membrane permeability and circulation half-life remain a serious challenge which should be addressed in future.
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Affiliation(s)
- Soheil Mehrdadi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padua, Italy
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10
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Gao K, He S, Chen H, Wang J, Li X, Sun H, Zhang Y. Insight of pH-shifting as an effective pretreatment to reduce the antigenicity of lectin from red kidney bean (Phaseolus vulgaris L.) combining with autoclaving treatments: The structure investigation. Food Chem 2024; 434:137429. [PMID: 37716149 DOI: 10.1016/j.foodchem.2023.137429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 08/19/2023] [Accepted: 09/05/2023] [Indexed: 09/18/2023]
Abstract
Combined effects of pH-shifting and an autoclaving cycle (121 °C, 15 min) on red kidney bean lectin (RKBL) were investigated using intrinsic and extrinsic fluorescence, UV, FTIR, DSC, SEC, dot-blot analysis and in vitro digestibility. Spectroscopic studies suggested that the protein refolding was stable after 3 h incubation with the hydrophobic exposure after pH-shifting, and hydrophobicity was significantly increased with the formation of more looser structure, which would influence the structural stability of known epitopes. In details, the increase of β-turn and reduction of random coil was related with the lower denaturation enthalpy, while the protein aggregation was also observed in acidic treated samples after autoclaving. Lower antigenicity and good digestibility suggested the exposure of enzyme cutting sites, and confirmed the effectivity of pH-shifting prior to the autoclaving. Then the results would be beneficial to the development of hypoallergenic kidney bean foods.
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Affiliation(s)
- Kuan Gao
- School of Food and Biological Engineering, Engineering Research Center of Bio-process of Ministry of Education, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, Anhui, PR China
| | - Shudong He
- School of Food and Biological Engineering, Engineering Research Center of Bio-process of Ministry of Education, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, Anhui, PR China.
| | - Haoshuang Chen
- School of Food and Biological Engineering, Engineering Research Center of Bio-process of Ministry of Education, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, Anhui, PR China
| | - Junhui Wang
- School of Food and Biological Engineering, Engineering Research Center of Bio-process of Ministry of Education, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, Anhui, PR China
| | - Xingjiang Li
- School of Food and Biological Engineering, Engineering Research Center of Bio-process of Ministry of Education, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, Anhui, PR China
| | - Hanju Sun
- School of Food and Biological Engineering, Engineering Research Center of Bio-process of Ministry of Education, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, Anhui, PR China
| | - Yi Zhang
- Department of Food Science, The Pennsylvania State University, University Park, PA 16802, USA.
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11
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Matsushima A, Matsuo K. Removal of plant endogenous proteins from tobacco leaf extract by freeze-thaw treatment for purification of recombinant proteins. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 339:111953. [PMID: 38072330 DOI: 10.1016/j.plantsci.2023.111953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 01/13/2024]
Abstract
Plants are useful as a low-cost source for producing biopharmaceutical proteins. A significant hurdle in the production of recombinant proteins in plants, however, is the complicated process of removing plant-derived components. Removing endogenous plant proteins, including ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO), a major photosynthetic plant enzyme that catalyzes photosynthesis through carboxylation and oxygenation, is important for the purification of recombinant plant proteins. In particular, RuBisCO accounts for 50% of the soluble leaf protein; thus, the removal of RuBisCO is critical for the purification of recombinant proteins from plant materials. An effective conventional method, known as freeze-thaw treatment, was developed for the removal of RuBisCO from Nicotiana benthamiana, which expresses recombinant green fluorescent protein (GFP). Crude extracts or supernatants were frozen at - 30 °C. Upon thawing, most of the RuBisCO was precipitated by centrifugation without significant inactivation and/or yield reduction of GFP. Based on the proteomics analysis, using this method, RuBisCO large and small subunits were reduced to approximately 10% and 20% of those of the unfrozen supernatant solutions, respectively, without the need for specific reagents or equipment. The proteomic analysis also revealed that many ribosomal proteins were removed from the extracts. This method improves the purification process of recombinant proteins from plant materials. Prolonged freezing damaged recombinant β-glucuronidase (GUS), suggesting that the applicability of this treatment should be carefully considered for each recombinant protein.
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Affiliation(s)
- Akito Matsushima
- Frontier Business Division, Chiyoda Corporation, 4-6-2 Minatomirai, Nishi-ku, Yokohama 220-8765, Japan
| | - Kouki Matsuo
- National Institute of Advanced Industrial Science and Technology (AIST), Bioproduction Research Institute, 2-17-2-1 Tsukisamu-Higashi, Toyohira-ku, Sapporo 062-8517, Japan.
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12
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Jin MJ, Ge XZ, Huang Q, Liu JW, Ingle RG, Gao D, Fang WJ. The Effects of Excipients on Freeze-dried Monoclonal Antibody Formulation Degradation and Sub-Visible Particle Formation during Shaking. Pharm Res 2024; 41:321-334. [PMID: 38291165 DOI: 10.1007/s11095-024-03657-7] [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: 10/10/2023] [Accepted: 01/09/2024] [Indexed: 02/01/2024]
Abstract
PURPOSES We previously reported an unexpected phenomenon that shaking stress could cause more protein degradation in freeze-dried monoclonal antibody (mAb) formulations than liquid ones (J Pharm Sci, 2022, 2134). The main purposes of the present study were to investigate the effects of shaking stress on protein degradation and sub-visible particle (SbVP) formation in freeze-dried mAb formulations, and to analyze the factors influencing protein degradation during production and transportation. METHODS The aggregation behavior of mAb-X formulations during production and transportation was simulated by shaking at a rate of 300 rpm at 25°C for 24 h. The contents of particles and monomers were analyzed by micro-flow imaging, dynamic light scattering, size exclusion chromatography, and ultraviolet - visible (UV-Vis) spectroscopy to compare the protective effects of excipients on the aggregation of mAb-X. RESULTS Shaking stress could cause protein degradation in freeze-dried mAb-X formulations, while surfactant, appropriate pH, polyol mannitol, and high protein concentration could impact SbVP generation. Water content had little effect on freeze-dried protein degradation during shaking, as far as the water content was controlled in the acceptable range as recommended by mainstream pharmacopoeias (i.e., less than 3%). CONCLUSIONS Shaking stress can reduce the physical stability of freeze-dried mAb formulations, and the addition of surfactants, polyol mannitol, and a high protein concentration have protective effects against the degradation of model mAb formulations induced by shaking stress. The experimental results provide new insight for the development of freeze-dried mAb formulations.
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Affiliation(s)
- Meng-Jia Jin
- 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
| | - Xin-Zhe Ge
- 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
| | - Qiong Huang
- 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
| | - Jia-Wei Liu
- 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
| | - Rahul G Ingle
- Datta Meghe College of Pharmacy, Datta Meghe Institute of Higher Education & Research, Sawangi, Wardha, India
| | - Dong Gao
- Zhejiang Bioray Biopharmaceutical Co., Taizhou, 317000, 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.
- Innovation Center of Translational Pharmacy, Jinhua Institute of Zhejiang University, Jinhua, 321000, China.
- Taizhou Institute of Zhejiang University, Taizhou, 317000, China.
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13
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Torrente-López A, Hermosilla J, Salmerón-García A, Cabeza J, Ruiz-Martínez A, Navas N. Comprehensive physicochemical and functional analysis of pembrolizumab based on controlled degradation studies: Impact on antigen-antibody binding. Eur J Pharm Biopharm 2024; 194:131-147. [PMID: 38101489 DOI: 10.1016/j.ejpb.2023.12.005] [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: 10/06/2023] [Revised: 12/08/2023] [Accepted: 12/11/2023] [Indexed: 12/17/2023]
Abstract
Monoclonal antibodies-based medicines are widely used in the treatment of different diseases. These medicines are very sensitive to exposure to different environmental conditions and their handling in hospitals may affect their safety and efficacy. This is the case for pembrolizumab (Keytruda®, 25 mg/mL), for which there is not yet much information on its risk behaviour associated with routine handling or unintentional mishandling. Here we performed a wider physicochemical and functional analysis of pembrolizumab medicine including controlled degradation studies: heat, freeze/thaw, agitation, accelerated light exposure and high hypertonic solution. After that, the samples were analysed by a set of analytical techniques to evaluated critical quality attributes: Far-UV CD, IT-FS, DLS, RP/UHPLC(UV)-MS, SE/UHPLC(UV), RP/UHPLC(UV)-MS/MS and ELISA. The results provide an in-depth understanding of the biochemical and biophysical properties of pembrolizumab, showing that the medicine is affected by accelerated light exposure and temperature of 60 °C, demonstrated by the detection of non-natural dimers and HMWS. Light exposure also revealed different isoform profile and increase in oxidations. Regarding functionality by means of the interaction antigen-antibody binding, all the stressors promoted a decrease in pembrolizumab capacity to bind to PD-1 receptor, although the biological activity remained still high for all of them, being 60 °C and accelerated light exposure the most affected.
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Affiliation(s)
- Anabel Torrente-López
- Department of Analytical Chemistry, Science Faculty, Biohealth Research Institute (ibs.GRANADA), University of Granada, E-18071 Granada, Spain
| | - Jesús Hermosilla
- Department of Analytical Chemistry, Science Faculty, Biohealth Research Institute (ibs.GRANADA), University of Granada, E-18071 Granada, Spain
| | - Antonio Salmerón-García
- Department of Clinical Pharmacy, Biohealth Research Institute (ibs.GRANADA), San Cecilio University Hospital, E-18012 Granada, Spain
| | - José Cabeza
- Department of Clinical Pharmacy, Biohealth Research Institute (ibs.GRANADA), San Cecilio University Hospital, E-18012 Granada, Spain
| | - Adolfina Ruiz-Martínez
- Department of Pharmacy and Pharmaceutical Technology, Pharmacy Faculty, University of Granada, E-18011 Granada, Spain
| | - Natalia Navas
- Department of Analytical Chemistry, Science Faculty, Biohealth Research Institute (ibs.GRANADA), University of Granada, E-18071 Granada, Spain.
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14
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Wang Y, Shen J, Zou B, Zhang L, Xu X, Wu C. Determination of the critical pH for unfolding water-soluble cod protein and its effect on encapsulation capacities. Food Res Int 2023; 174:113621. [PMID: 37986474 DOI: 10.1016/j.foodres.2023.113621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/19/2023] [Accepted: 10/21/2023] [Indexed: 11/22/2023]
Abstract
Hydrophobic polyphenols, with a variety of physiological activities, are often practically limited due to their low water solubility and chemical instability, among which curcumin (Cur) is a representative hydrophobic polyphenol. To improve Cur, the cod protein (CP)-Cur composite particles (CP-Cur) were successfully prepared using the pH-shift method, but this pH-shift method (7-12-7) required a higher pH, which limited application and increased cost. The critical pH of CP structure unfolding during pH-shift and its encapsulation effect on Cur were investigated in this paper. During the pH-shift process, the critical pH of the structural unfolding of CP was pH 10, and the degree of protein structure unfolding was higher, which was attributed to the increasing electrostatic repulsion, and the weakened hydrogen bond and hydrophobic interaction. The encapsulation efficiency of CP-Cur formed after pH 10-shift was higher than that formed after pH 9.8-shift, which increased by 22.17 %. At pH 9.8, the binding sites in CP reached saturation at the molar ratio of 10, while at pH 10 and 10.2, the binding sites in CP both reached saturation at the molar ratio of 14, also indicating that the protein treated with critical pH could bind more Cur. The binding between Cur and CP was mostly hydrophobic interaction, accompanied by hydrogen bonding and electrostatic interactions. The above results verified the necessity of critical pH in the experiment, indicating that critical pH could indeed improve the encapsulation effect and obtain a higher encapsulation efficiency. This work will help improve the large-scale application of hydrophobic functional substances in production.
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Affiliation(s)
- Yuying Wang
- College of Food Science, Dalian Polytechnic University, Dalian 116034, China; College of Life Sciences, Key Laboratory of Biotechnology and Bioresources Utilization, Dalian Minzu University, Ministry of Education, Dalian 116600, China; State Key Laboratory of Marine Food Processing and Safety Control, China; National Engineering Research Center of Seafood, China
| | - Jing Shen
- Ningjin Market Supervision Administration, Dezhou 253400, China
| | - Bowen Zou
- College of Food Science, Dalian Polytechnic University, Dalian 116034, China; State Key Laboratory of Marine Food Processing and Safety Control, China; National Engineering Research Center of Seafood, China
| | - Ling Zhang
- College of Food Science, Dalian Polytechnic University, Dalian 116034, China; State Key Laboratory of Marine Food Processing and Safety Control, China; National Engineering Research Center of Seafood, China
| | - Xianbing Xu
- College of Food Science, Dalian Polytechnic University, Dalian 116034, China; State Key Laboratory of Marine Food Processing and Safety Control, China; National Engineering Research Center of Seafood, China
| | - Chao Wu
- College of Food Science, Dalian Polytechnic University, Dalian 116034, China; State Key Laboratory of Marine Food Processing and Safety Control, China; National Engineering Research Center of Seafood, China.
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15
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Baruah I, Borgohain G. Temperature dependent molecular dynamics simulation study to understand the stabilizing effect of NADES on the protein β-Lactoglobulin. J Mol Graph Model 2023; 125:108582. [PMID: 37595383 DOI: 10.1016/j.jmgm.2023.108582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 07/24/2023] [Accepted: 07/28/2023] [Indexed: 08/20/2023]
Abstract
The thermal stability of a protein is an important concern for its practical application in food processing industries. In this study, we have carried out classical molecular dynamics simulations to systematically investigate the effect of NADES (natural deep eutectic solvent) on the stabilization of the protein β-Lactoglobulin (BLG) at different temperatures. This study sheds light on the very aspects of NADES composed of betaine and sorbitol on the stability of the protein. NADES provides better stability to the protein up to a temperature of 400 K than in water. It is observed that the protein starts to unfold above temperature 400 K in spite of the presence of NADES which is quiet evident from the root mean square deviation (RMSD) and radius of gyration (Rg) plots. The decreasing average solvent accessible surface area (SASA) values and increasing intra-protein hydrogen bonds indicate better stability of the protein in NADES medium than in water at temperatures 300 K and 400 K. At high temperatures viz. 450 K and 500 K the number and distribution of solvent species (betaine and sorbitol) around the protein surface show an increment that are evident from the calculations of solvation shell, radial and spatial distribution functions. Increased number of betaine molecules that interact with the protein through electrostatic interaction may lead to destabilization of the protein at these temperatures. This study suggests that NADES could be used as an ideal medium for thermal stability of the protein BLG up to a temperature of 400 K. Beyond this temperature, NADES used for this study fails to exert stabilization effect on the protein.
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Affiliation(s)
- Indrani Baruah
- Department of Chemistry, Cotton University, Guwahati, Assam, 781001, India
| | - Gargi Borgohain
- Department of Chemistry, Cotton University, Guwahati, Assam, 781001, India.
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16
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Hada S, Burlakoti U, Kim KH, Han JS, Kim MJ, Kim NA, Jeong SH. A comprehensive evaluation of arginine and its derivatives as protein formulation stabilizers. Int J Pharm 2023; 647:123545. [PMID: 37871869 DOI: 10.1016/j.ijpharm.2023.123545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 10/14/2023] [Accepted: 10/21/2023] [Indexed: 10/25/2023]
Abstract
Arginine and its derivatives (such as arginine ethyl ester and acetyl arginine) have varying degrees of protein aggregation suppressor effect across different protein solutions. To understand this performance ambiguity, we evaluated the activity of arginine, acetyl arginine, and arginine ethyl ester for aggregation suppressor effect against human intravenous immunoglobulin G (IgG) solution at pH 4.8. Both arginine and its cationic derivative arginine ethyl ester in their hydrochloride salt forms significantly reduced the colloidal and conformational stability (reduced kd and Tm) of IgG. Consequently, the monomer content was decreased with an increase in subvisible particulates after agitation or thermal stress. Furthermore, compared to arginine, arginine ethyl ester with one more cationic charge and hydrochloride salt form readily precipitated IgG at temperatures higher than 25 °C. On the contrary, acetyl arginine, which mostly exists in a neutral state at pH 4.8, efficiently suppressed the formation of subvisible particles retaining a high amount of monomer owing to its higher colloidal and conformational stability. Concisely, the charged state of additives significantly impacts protein stability. This study demonstrated that contrary to popular belief, arginine and its derivatives may either enhance or suppress protein aggregation depending on their net charge and concentration.
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Affiliation(s)
- Shavron Hada
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Gyeonggi 10326, Republic of Korea.
| | - Urmila Burlakoti
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Gyeonggi 10326, Republic of Korea.
| | - Ki Hyun Kim
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Gyeonggi 10326, Republic of Korea.
| | - Ji Soo Han
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan 58554, Republic of Korea.
| | - Min Ji Kim
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan 58554, Republic of Korea.
| | - Nam Ah Kim
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan 58554, Republic of Korea; Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Muan 58554, Republic of Korea.
| | - Seong Hoon Jeong
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University, Gyeonggi 10326, Republic of Korea.
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17
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Hadley P, Chen Y, Cline L, Han Z, Tang Q, Huang X, Desai T. Precise surface functionalization of PLGA particles for human T cell modulation. Nat Protoc 2023; 18:3289-3321. [PMID: 37853157 PMCID: PMC10775953 DOI: 10.1038/s41596-023-00887-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 07/05/2023] [Indexed: 10/20/2023]
Abstract
The biofunctionalization of synthetic materials has extensive utility for biomedical applications, but approaches to bioconjugation typically show insufficient efficiency and controllability. We recently developed an approach by building synthetic DNA scaffolds on biomaterial surfaces that enables the precise control of cargo density and ratio, thus improving the assembly and organization of functional cargos. We used this approach to show that the modulation and phenotypic adaptation of immune cells can be regulated using our precisely functionalized biomaterials. Here, we describe the three key procedures, including the fabrication of polymeric particles engrafted with short DNA scaffolds, the attachment of functional cargos with complementary DNA strands, and the surface assembly control and quantification. We also explain the critical checkpoints needed to ensure the overall quality and expected characteristics of the biological product. We provide additional experimental design considerations for modifying the approach by varying the material composition, size or cargo types. As an example, we cover the use of the protocol for human primary T cell activation and for the identification of parameters that affect ex vivo T cell manufacturing. The protocol requires users with diverse expertise ranging from synthetic materials to bioconjugation chemistry to immunology. The fabrication procedures and validation assays to design high-fidelity DNA-scaffolded biomaterials typically require 8 d.
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Affiliation(s)
- Pierce Hadley
- Medical Scientist Training Program, University of California, San Francisco, CA, USA
- UC Berkeley-UCSF Graduate Program in Bioengineering, UCSF Mission Bay Campus, San Francisco, CA, USA
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA
- Diabetes Center, University of California, San Francisco, CA, USA
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA, USA
| | - Yuanzhou Chen
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA
- Cell Design Institute and Center for Synthetic Immunology, University of California, San Francisco, CA, USA
| | - Lariana Cline
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA
| | - Zhiyuan Han
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA
| | - Qizhi Tang
- Diabetes Center, University of California, San Francisco, CA, USA
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA, USA
- Department of Surgery, University of California, San Francisco, CA, USA
| | - Xiao Huang
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA.
- Cell Design Institute and Center for Synthetic Immunology, University of California, San Francisco, CA, USA.
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA.
| | - Tejal Desai
- UC Berkeley-UCSF Graduate Program in Bioengineering, UCSF Mission Bay Campus, San Francisco, CA, USA.
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, USA.
- Diabetes Center, University of California, San Francisco, CA, USA.
- Cell Design Institute and Center for Synthetic Immunology, University of California, San Francisco, CA, USA.
- School of Engineering, Brown University, Providence, RI, USA.
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18
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Wu KW, Chen TH, Yang TC, Wang SC, Shameem M, Graham KS. Continuous monitoring of a monoclonal antibody by size exclusion chromatography reveals a correlation between system suitability parameters and column aging. J Pharm Biomed Anal 2023; 235:115622. [PMID: 37540994 DOI: 10.1016/j.jpba.2023.115622] [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: 05/25/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 08/06/2023]
Abstract
Size exclusion chromatography (SEC) is a foundational analytical method to assess product purity of biological molecules. To ensure accurate and reproducible data that meet regulatory agency standards, it is critical to monitor the chromatographic column with efficient and continuous approaches. In this study, 19 SEC columns (Waters Acquity BEH200) were evaluated using an in-house monoclonal antibody made at Regeneron. System suitability parameters (SSPs) were used to monitor the performance of the SEC assay, including USP resolution, USP plate count, USP tailing factor, asymmetry factor, elution time, peak width, and peak height. A general linear model was built and revealed that elution time, peak width, asymmetry factor, and tailing factor increased with injection number, while peak height, resolution, and plate count decreased. After 1000 injections, tailing factor and peak width increased by more than 10%, while resolution and plate count decreased by more than 10% from their respective starting values.
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Affiliation(s)
- Kai-Wei Wu
- Department of Pharmaceutics and Drug Delivery, The University of Mississippi, University, MS 38677, USA
| | - Tse-Hong Chen
- Formulation Development Group, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA.
| | - Teng-Chieh Yang
- Formulation Development Group, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Shao-Chun Wang
- Formulation Development Group, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Mohammed Shameem
- Formulation Development Group, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Kenneth S Graham
- Formulation Development Group, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
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19
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Pang KT, Yang YS, Zhang W, Ho YS, Sormanni P, Michaels TCT, Walsh I, Chia S. Understanding and controlling the molecular mechanisms of protein aggregation in mAb therapeutics. Biotechnol Adv 2023; 67:108192. [PMID: 37290583 DOI: 10.1016/j.biotechadv.2023.108192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 05/09/2023] [Accepted: 06/01/2023] [Indexed: 06/10/2023]
Abstract
In antibody development and manufacturing, protein aggregation is a common challenge that can lead to serious efficacy and safety issues. To mitigate this problem, it is important to investigate its molecular origins. This review discusses (1) our current molecular understanding and theoretical models of antibody aggregation, (2) how various stress conditions related to antibody upstream and downstream bioprocesses can trigger aggregation, and (3) current mitigation strategies employed towards inhibiting aggregation. We discuss the relevance of the aggregation phenomenon in the context of novel antibody modalities and highlight how in silico approaches can be exploited to mitigate it.
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Affiliation(s)
- Kuin Tian Pang
- Bioprocessing Technology Institute, Agency for Science, Technology and Research (A*STAR), Singapore; School of Chemistry, Chemical Engineering, and Biotechnology, Nanyang Technology University, Singapore
| | - Yuan Sheng Yang
- Bioprocessing Technology Institute, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Wei Zhang
- Bioprocessing Technology Institute, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Ying Swan Ho
- Bioprocessing Technology Institute, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Pietro Sormanni
- Chemistry of Health, Yusuf Hamied Department of Chemistry, University of Cambridge, United Kingdom
| | - Thomas C T Michaels
- Department of Biology, Institute of Biochemistry, ETH Zurich, Otto-Stern-Weg 3, 8093 Zurich, Switzerland; Bringing Materials to Life Initiative, ETH Zurich, Switzerland
| | - Ian Walsh
- Bioprocessing Technology Institute, Agency for Science, Technology and Research (A*STAR), Singapore.
| | - Sean Chia
- Bioprocessing Technology Institute, Agency for Science, Technology and Research (A*STAR), Singapore.
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20
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Rocamora F, Peralta AG, Shin S, Sorrentino J, Wu MYM, Toth EA, Fuerst TR, Lewis NE. Glycosylation shapes the efficacy and safety of diverse protein, gene and cell therapies. Biotechnol Adv 2023; 67:108206. [PMID: 37354999 PMCID: PMC11168894 DOI: 10.1016/j.biotechadv.2023.108206] [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: 03/02/2023] [Revised: 05/26/2023] [Accepted: 06/20/2023] [Indexed: 06/26/2023]
Abstract
Over recent decades, therapeutic proteins have had widespread success in treating a myriad of diseases. Glycosylation, a near universal feature of this class of drugs, is a critical quality attribute that significantly influences the physical properties, safety profile and biological activity of therapeutic proteins. Optimizing protein glycosylation, therefore, offers an important avenue to developing more efficacious therapies. In this review, we discuss specific examples of how variations in glycan structure and glycoengineering impacts the stability, safety, and clinical efficacy of protein-based drugs that are already in the market as well as those that are still in preclinical development. We also highlight the impact of glycosylation on next generation biologics such as T cell-based cancer therapy and gene therapy.
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Affiliation(s)
- Frances Rocamora
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA
| | - Angelo G Peralta
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA
| | - Seunghyeon Shin
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA
| | - James Sorrentino
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA
| | - Mina Ying Min Wu
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA; Department of Bioengineering, University of California, San Diego, La Jolla, CA 92093, USA
| | - Eric A Toth
- Institute for Bioscience and Biotechnology Research, University of Maryland, Rockville, MD 20850, USA
| | - Thomas R Fuerst
- Institute for Bioscience and Biotechnology Research, University of Maryland, Rockville, MD 20850, USA; Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA
| | - Nathan E Lewis
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA; Department of Bioengineering, University of California, San Diego, La Jolla, CA 92093, USA.
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21
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Tao Y, Chen Y, Howard W, Ibrahim M, Patel SM, McMahon WP, Kim YJ, Delmar JA, Davis D. Mechanism of Insoluble Aggregate Formation in a Reconstituted Solution of Spray-Dried Protein Powder. Pharm Res 2023; 40:2355-2370. [PMID: 37131104 PMCID: PMC10661820 DOI: 10.1007/s11095-023-03524-x] [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: 01/31/2023] [Accepted: 04/13/2023] [Indexed: 05/04/2023]
Abstract
BACKGROUND Spray-drying is considered a promising alternative drying method to lyophilization (freeze-drying) for therapeutic proteins. Particle counts in reconstituted solutions of dried solid dosage forms of biologic drug products are closely monitored to ensure product quality. We found that high levels of particles formed after reconstitution of protein powders that had been spray-dried under suboptimal conditions. METHODS Visible and subvisible particles were evaluated. Soluble proteins in solution before spray-drying and in the reconstituted solution of spray-dried powder were analyzed for their monomer content levels and melting temperatures. Insoluble particles were collected and analyzed by Fourier transform infrared microscopy (FTIR), and further analyzed with hydrogen-deuterium exchange (HDX). RESULTS Particles observed after reconstitution were shown not to be undissolved excipients. FTIR confirmed their identity as proteinaceous in nature. These particles were therefore considered to be insoluble protein aggregates, and HDX was applied to investigate the mechanism underlying aggregate formation. Heavy-chain complementarity-determining region 1 (CDR-1) in the aggregates showed significant protection by HDX, suggesting CDR-1 was critical for aggregate formation. In contrast, various regions became more conformationally dynamic globally, suggesting the aggregates have lost protein structural integrity and partially unfolded after spray-drying. DISCUSSION The spray-drying process could have disrupted the higher-order structure of proteins and exposed the hydrophobic residues in CDR-1 of the heavy chain, contributing to the formation of aggregate through hydrophobic interactions upon reconstitution of spray-dried powder. These results can contribute to efforts to design spray-dry resilient protein constructs and improve the robustness of the spray-drying process.
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Affiliation(s)
- Yeqing Tao
- Process and Analytical Sciences, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 20787, USA.
| | - Yuan Chen
- Dosage Form Design & Development, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Wesley Howard
- Process and Analytical Sciences, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 20787, USA
| | - Mariam Ibrahim
- Dosage Form Design & Development, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Sajal M Patel
- Dosage Form Design & Development, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - William P McMahon
- Process and Analytical Sciences, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 20787, USA
| | - Yoen Joo Kim
- Process and Analytical Sciences, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 20787, USA
| | - Jared A Delmar
- Process and Analytical Sciences, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 20787, USA
| | - Darryl Davis
- Process and Analytical Sciences, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 20787, USA
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Mozgovicz M, Fischer A, Brocard C, Jungbauer A, Lingg N. L-Arginine sulfate reduces irreversible protein binding in immobilized metal affinity chromatography. J Chromatogr A 2023; 1706:464246. [PMID: 37541058 DOI: 10.1016/j.chroma.2023.464246] [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: 05/02/2023] [Revised: 07/17/2023] [Accepted: 07/26/2023] [Indexed: 08/06/2023]
Abstract
Immobilized metal affinity chromatography (IMAC) is a powerful technique for capture and purification of relevant biopharmaceuticals in complex biological matrices. However, protein recovery can be drastically compromised due to surface induced spreading and unfolding of the analyte, leading to fouling of the stationary phase. Here, we report on the kinetics of irreversible adsorption of a protease on an IMAC resin in a time span ranging from minutes to several hours. This trend correlated with the thermal data measured by nano differential scanning calorimetry, and showed a time-dependent change in protein unfolding temperature. Our results highlight that 'soft' proteins show a strong time dependent increase in irreversible adsorption. Furthermore, commonly used co-solvents for preservation of the native protein conformation are tested for their ability to reduce fouling. Thermal data suggests that the amino acid l-arginine is beneficial in preventing unfolding, which was confirmed in batch adsorption experiments. The choice of counter-ions has to be considered when using this amino acid. These results show that l-arginine sulfate decelerates the irreversible adsorption kinetics of proteins on the IMAC stationary phase to a greater extent than l-arginine chloride.
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Affiliation(s)
- Markus Mozgovicz
- Austrian Centre of Industrial Biotechnology, Vienna, Austria; Department of Biotechnology, Institute of Bioprocess Science and Engineering, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Andreas Fischer
- Austrian Centre of Industrial Biotechnology, Vienna, Austria
| | - Cécile Brocard
- Biopharma Process Science Austria, Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
| | - Alois Jungbauer
- Austrian Centre of Industrial Biotechnology, Vienna, Austria; Department of Biotechnology, Institute of Bioprocess Science and Engineering, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Nico Lingg
- Austrian Centre of Industrial Biotechnology, Vienna, Austria; Department of Biotechnology, Institute of Bioprocess Science and Engineering, University of Natural Resources and Life Sciences, Vienna, Austria.
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Klegerman ME, Peng T, Huang SL, Frierson B, Moody MR, Kim H, McPherson DD. Storage Stability of Atheroglitatide, an Echogenic Liposomal Formulation of Pioglitazone Targeted to Advanced Atheroma with a Fibrin-Binding Peptide. Pharmaceutics 2023; 15:2288. [PMID: 37765257 PMCID: PMC10536356 DOI: 10.3390/pharmaceutics15092288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
We have conducted a stability study of a complex liposomal pharmaceutical product, Atheroglitatide (AGT), stored at three temperatures, 4, 24, and 37 °C, for up to six months. The six parameters measured were functions of liposomal integrity (size and number), drug payload (loading efficiency), targeting peptide integrity (conjugation efficiency and specific avidity), and echogenicity (ultrasound-dependent controlled drug release), which were considered most relevant to the product's intended use. At 4 °C, liposome diameter trended upward, indicative of aggregation, while liposome number per mg lipid and echogenicity trended downward. At 24 °C, peptide conjugation efficiency (CE) and targeting efficiency (TE, specific avidity) trended downward. At 37 °C, CE and drug (pioglitazone) loading efficiency trended downward. At 4 °C, the intended storage temperature, echogenicity, and liposome size reached their practical tolerance limits at 6 months, fixing the product expiration at that point. Arrhenius analysis of targeting peptide CE and drug loading efficiency decay at the higher temperatures indicated complete stability of these characteristics at 4 °C. The results of this study underscore the storage stability challenges presented by complex nanopharmaceutical formulations.
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Affiliation(s)
- Melvin E. Klegerman
- Division of Cardiovascular Medicine, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (T.P.); (S.-L.H.); (B.F.); (M.R.M.); (D.D.M.)
| | - Tao Peng
- Division of Cardiovascular Medicine, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (T.P.); (S.-L.H.); (B.F.); (M.R.M.); (D.D.M.)
| | - Shao-Ling Huang
- Division of Cardiovascular Medicine, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (T.P.); (S.-L.H.); (B.F.); (M.R.M.); (D.D.M.)
| | - Brion Frierson
- Division of Cardiovascular Medicine, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (T.P.); (S.-L.H.); (B.F.); (M.R.M.); (D.D.M.)
| | - Melanie R. Moody
- Division of Cardiovascular Medicine, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (T.P.); (S.-L.H.); (B.F.); (M.R.M.); (D.D.M.)
| | - Hyunggun Kim
- Division of Cardiovascular Medicine, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (T.P.); (S.-L.H.); (B.F.); (M.R.M.); (D.D.M.)
- Department of Biomechatronic Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - David D. McPherson
- Division of Cardiovascular Medicine, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (T.P.); (S.-L.H.); (B.F.); (M.R.M.); (D.D.M.)
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Saini R, Navale GR, Singh S, Singh HK, Chauhan R, Agrawal S, Sarkar D, Sarma M, Ghosh K. Inhibition of amyloid β 1-42 peptide aggregation by newly designed cyclometallated palladium complexes. Int J Biol Macromol 2023; 248:125847. [PMID: 37460075 DOI: 10.1016/j.ijbiomac.2023.125847] [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: 10/14/2022] [Revised: 03/16/2023] [Accepted: 07/13/2023] [Indexed: 07/26/2023]
Abstract
Uncontrolled amyloid aggregation is a frequent cause of neurodegenerative disorders such as prions and Alzheimer's disease (AD). As a result, many drug development approaches focus on evaluating novel molecules that can alter self-recognition pathways. Herein, we designed and synthesized the cyclometallated pyrene (Pd-1 and Pd-3) and anthracene (Pd-2) based palladium complexes ([Pd((L1)Cl] Pd-1, [Pd(L2)Cl](Pd-2), and [Pd(L3)Cl] (Pd-3)). This study explores the effect of these complexes on the aggregation, fibrillation, and amyloid formation of bovine serum albumin (BSA) and Aβ1-42 peptide. Several spectroscopic methods were used to characterize all the Pd-complexes, and the molecular structure of Pd-3 was determined by X-ray crystallography. The secondary structures were studied using circular dichroism (CD) and transmission electron microscopy (TEM), while amyloid aggregation and inhibitory activities were investigated using the Thioflavin-T (ThT) fluorescence assay. Molecular docking of the Pd-complex (Pd-3) was done using fibril (PDB: 2BEG) and monomeric (PDB: 1IYT) peptides using Auto-dock Vina. As a result, the hydrogen bonding and hydrophobic interaction between the aromatic rings of the Pd-complexes and the amino acids of amyloid-β peptides significantly reduced the production of ordered β-sheets of amyloid fibrils and protein aggregation in the presence of Pd-2 and Pd-3 complexes.
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Affiliation(s)
- Rahul Saini
- Department of Chemistry, Indian Institute of Technology, Roorkee 247667, India
| | - Govinda R Navale
- Department of Chemistry, Indian Institute of Technology, Roorkee 247667, India
| | - Sain Singh
- Department of Chemistry, Indian Institute of Technology, Roorkee 247667, India
| | - Haobam Kisan Singh
- Department of Chemistry, Indian Institute of Technology, Guwahati 781039, India
| | - Rahul Chauhan
- Department of Chemistry, Indian Institute of Technology, Roorkee 247667, India
| | - Sonia Agrawal
- Department of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411 008, India
| | - Dhiman Sarkar
- Department of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411 008, India
| | - Manabendra Sarma
- Department of Chemistry, Indian Institute of Technology, Guwahati 781039, India
| | - Kaushik Ghosh
- Department of Chemistry, Indian Institute of Technology, Roorkee 247667, India; Department of Biosciences and Bioengineering, Indian Institute of Technology, Roorkee 247667, India.
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Basha S, Mukunda DC, Rodrigues J, Gail D'Souza M, Gangadharan G, Pai AR, Mahato KK. A comprehensive review of protein misfolding disorders, underlying mechanism, clinical diagnosis, and therapeutic strategies. Ageing Res Rev 2023; 90:102017. [PMID: 37468112 DOI: 10.1016/j.arr.2023.102017] [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: 05/06/2023] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 07/21/2023]
Abstract
INTRODUCTION Proteins are the most common biological macromolecules in living system and are building blocks of life. They are extremely dynamic in structure and functions. Due to several modifications, proteins undergo misfolding, leading to aggregation and thereby developing neurodegenerative and systemic diseases. Understanding the pathology of these diseases and the techniques used to diagnose them is therefore crucial for their effective management . There are several techniques, currently being in use to diagnose them and those will be discussed in this review. AIM/OBJECTIVES Current review aims to discuss an overview of protein aggregation and the underlying mechanisms linked to neurodegeneration and systemic diseases. Also, the review highlights protein misfolding disorders, their clinical diagnosis, and treatment strategies. METHODOLOGY Literature related to neurodegenerative and systemic diseases was explored through PubMed, Google Scholar, Scopus, and Medline databases. The keywords used for literature survey and analysis are protein aggregation, neurodegenerative disorders, Alzheimer's disease, Parkinson's disease, systemic diseases, protein aggregation mechanisms, etc. DISCUSSION /CONCLUSION: This review summarises the pathogenesis of neurodegenerative and systemic disorders caused by protein misfolding and aggregation. The clinical diagnosis and therapeutic strategies adopted for the management of these diseases are also discussed to aid in a better understanding of protein misfolding disorders. Many significant concerns about the role, characteristics, and consequences of protein aggregates in neurodegenerative and systemic diseases are not clearly understood to date. Regardless of technological advancements, there are still great difficulties in the management and cure of these diseases. Therefore, for better understanding, diagnosis, and treatment of neurodegenerative and systemic diseases, more studies to identify novel drugs that may aid in their treatment and management are required.
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Affiliation(s)
- Shaik Basha
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | | | - Jackson Rodrigues
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Meagan Gail D'Souza
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Gireesh Gangadharan
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Aparna Ramakrishna Pai
- Department of Neurology, Kasturba Medical College - Manipal, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Krishna Kishore Mahato
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India.
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Wu Q, Cao C, Wei S, He H, Chen K, Su L, Liu Q, Li S, Lai Y, Li J. Decreasing hydrophobicity or shielding hydrophobic areas of CH2 attenuates low pH-induced IgG4 aggregation. Front Bioeng Biotechnol 2023; 11:1257665. [PMID: 37711444 PMCID: PMC10497874 DOI: 10.3389/fbioe.2023.1257665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 08/18/2023] [Indexed: 09/16/2023] Open
Abstract
Protein aggregation is a major challenge in the development of therapeutic monoclonal antibodies (mAbs). Several stressors can cause protein aggregation, including temperature shifts, mechanical forces, freezing-thawing cycles, oxidants, reductants, and extreme pH. When antibodies are exposed to low pH conditions, aggregation increases dramatically. However, low pH treatment is widely used in protein A affinity chromatography and low pH viral inactivation procedures. In the development of an IgG4 subclass antibody, mAb1-IgG4 showed a strong tendency to aggregate when temporarily exposed to low pH conditions. Our findings showed that the aggregation of mAb1-IgG4 under low pH conditions is determined by the stability of the Fc. The CH2 domain is the least stable domain in mAb1-IgG4. The L309E, Q311D, and Q311E mutations in the CH2 domain significantly reduced the aggregation propensity, which could be attributed to a reduction in the hydrophobicity of the CH2 domain. Protein stabilizers, such as sucrose and mannose, could also attenuate low pH-induced mAb1-IgG4 aggregation by shielding hydrophobic areas and increasing protein stability. Our findings provide valuable strategies for managing the aggregation of protein therapeutics with a human IgG4 backbone.
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Affiliation(s)
- Qiang Wu
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
- Zhuhai United Laboratories Co., Ltd., Zhuhai, Guangdong, China
| | - Chunlai Cao
- Zhuhai United Laboratories Co., Ltd., Zhuhai, Guangdong, China
- The United Biotechnology (Zhuhai Hengqin) Co., Ltd., Zhuhai, Guangdong, China
| | - Suzhen Wei
- The United Biotechnology (Zhuhai Hengqin) Co., Ltd., Zhuhai, Guangdong, China
| | - Hua He
- The United Biotechnology (Zhuhai Hengqin) Co., Ltd., Zhuhai, Guangdong, China
| | - Kangyue Chen
- Zhuhai United Laboratories Co., Ltd., Zhuhai, Guangdong, China
| | - Lijuan Su
- Zhuhai United Laboratories Co., Ltd., Zhuhai, Guangdong, China
| | - Qiulian Liu
- Zhuhai United Laboratories Co., Ltd., Zhuhai, Guangdong, China
| | - Shuang Li
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
| | - Yongjie Lai
- Department of Microbiology and Immunology, Zunyi Medical University (Zhuhai Campus), Zhuhai, Guangdong, China
| | - Jing Li
- Zhuhai United Laboratories Co., Ltd., Zhuhai, Guangdong, China
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Aiassa V, Garnero C, Zoppi A, Longhi MR. Cyclodextrins and Their Derivatives as Drug Stability Modifiers. Pharmaceuticals (Basel) 2023; 16:1074. [PMID: 37630988 PMCID: PMC10459549 DOI: 10.3390/ph16081074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/20/2023] [Accepted: 07/22/2023] [Indexed: 08/27/2023] Open
Abstract
Cyclodextrins (CDs) are cyclic oligosaccharides that contain a relatively hydrophobic central cavity and a hydrophilic outer surface. They are widely used to form non-covalent inclusion complexes with many substances. Although such inclusion complexes typically exhibit higher aqueous solubility and chemical stability than pure drugs, it has been shown that CDs can promote the degradation of some drugs. This property of stabilizing certain drugs while destabilizing others can be explained by the type of CD used and the structure of the inclusion complex formed. In addition, the ability to form complexes of CDs can be improved through the addition of suitable auxiliary substances, forming multicomponent complexes. Therefore, it is important to evaluate the effect that binary and multicomponent complexes have on the chemical and physical stability of complexed drugs. The objective of this review is to summarize the studies on the stabilizing and destabilizing effects of complexes with CDs on drugs that exhibit stability problems.
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28
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Hardebeck S, Schreiber S, Adick A, Langer K, Jose J. A FRET-Based Assay for the Identification of PCNA Inhibitors. Int J Mol Sci 2023; 24:11858. [PMID: 37511614 PMCID: PMC10380293 DOI: 10.3390/ijms241411858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/19/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
Proliferating cell nuclear antigen (PCNA) is the key regulator of human DNA metabolism. One important interaction partner is p15, involved in DNA replication and repair. Targeting the PCNA-p15 interaction is a promising therapeutic strategy against cancer. Here, a Förster resonance energy transfer (FRET)-based assay for the analysis of the PCNA-p15 interaction was developed. Next to the application as screening tool for the identification and characterization of PCNA-p15 interaction inhibitors, the assay is also suitable for the investigation of mutation-induced changes in their affinity. This is particularly useful for analyzing disease associated PCNA or p15 variants at the molecular level. Recently, the PCNA variant C148S has been associated with Ataxia-telangiectasia-like disorder type 2 (ATLD2). ATLD2 is a neurodegenerative disease based on defects in DNA repair due to an impaired PCNA. Incubation time dependent FRET measurements indicated no effect on PCNAC148S-p15 affinity, but on PCNA stability. The impaired stability and increased aggregation behavior of PCNAC148S was confirmed by intrinsic tryptophan fluorescence, differential scanning fluorimetry (DSF) and asymmetrical flow field-flow fractionation (AF4) measurements. The analysis of the disease associated PCNA variant demonstrated the versatility of the interaction assay as developed.
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Affiliation(s)
- Sarah Hardebeck
- University of Münster, Institute of Pharmaceutical and Medicinal Chemistry, Pharmacampus, 48149 Münster, Germany
| | - Sebastian Schreiber
- University of Münster, Institute of Pharmaceutical and Medicinal Chemistry, Pharmacampus, 48149 Münster, Germany
| | - Annika Adick
- University of Münster, Institute for Pharmaceutical Technology and Biopharmacy, Pharmacampus, 48149 Münster, Germany
| | - Klaus Langer
- University of Münster, Institute for Pharmaceutical Technology and Biopharmacy, Pharmacampus, 48149 Münster, Germany
| | - Joachim Jose
- University of Münster, Institute of Pharmaceutical and Medicinal Chemistry, Pharmacampus, 48149 Münster, Germany
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Kuzman D, Klančnik U, Grum E, Derganc J. Real-Time Assessment of the Size Changes of Individual Sub-Visible Protein Particles under Buffer Variations: A Microfluidic Study. Pharmaceuticals (Basel) 2023; 16:1002. [PMID: 37513914 PMCID: PMC10386119 DOI: 10.3390/ph16071002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/06/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023] Open
Abstract
Protein particles in biological drugs can significantly impact drug efficacy and carry the risk of adverse effects. Despite advancements, the understanding and control of particle formation in biopharmaceutical manufacturing remain incomplete. Therefore, further investigation into protein particles is warranted, especially considering that novel formats of biological drugs may be more susceptible to aggregation and particle formation than conventional monoclonal antibodies. In this study, we introduce a microfluidic approach for the real-time analysis of individual sub-visible protein particles during buffer exchange. We find that the modulation of intermolecular forces, achieved by changing the buffer pH or urea concentration, leads to the reversible swelling and shrinkage of particles by up to 50%, which is a consequence of altered intermolecular distances. Additionally, we identify a discrepancy in the biophysical behavior of protein particles compared to monomeric protein. This finding highlights the limited predictive power of commonly applied biophysical characterization methods for particle formation in early formulation development. Moreover, the observed particle swelling may be associated with manufacturing deviations, such as filter clogging. These results highlight the importance of studying individual particles to gain a comprehensive insight into particle behavior and the impact of formulation variations in the biopharmaceutical industry.
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Affiliation(s)
- Drago Kuzman
- Novartis d.o.o., Kolodvorska 27, 1234 Mengeš, Slovenia
| | - Urška Klančnik
- Institute of Biophysics, Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
| | - Eva Grum
- Novartis d.o.o., Kolodvorska 27, 1234 Mengeš, Slovenia
| | - Jure Derganc
- Institute of Biophysics, Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
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30
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Fadaei MR, Mohammadi M, Fadaei MS, Jaafari MR. The crossroad of nanovesicles and oral delivery of insulin. Expert Opin Drug Deliv 2023; 20:1387-1413. [PMID: 37791986 DOI: 10.1080/17425247.2023.2266992] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 10/02/2023] [Indexed: 10/05/2023]
Abstract
INTRODUCTION Diabetes mellitus is one of the challenging health problems worldwide. Multiple daily subcutaneous injection of insulin causes poor compliance in patients. Development of efficient oral formulations to improve the quality of life of such patients has been an important goal in pharmaceutical industry. However, due to serious issues such as low bioavailability and instability, it has not been achieved yet. AREAS COVERED Due to functional properties of the vesicles and the fact that hepatic-directed vesicles of insulin could reach the clinical phases, we focused on three main vesicular delivery systems for oral delivery of insulin: liposomes, niosomes, and polymersomes. Recent papers were thoroughly discussed to provide a broad overview of such oral delivery systems. EXPERT OPINION Although conventional liposomes are unstable in the presence of bile salts, their further modifications such as surface coating could increase their stability in the GI tract. Bilosomes showed good flexibility and stability in GI fluids. Also, niosomes were stable, but they could not induce significant hypoglycemia in animal studies. Although polymersomes were effective, they are expensive and there are some issues about their safety and industrial scale-up. Also, we believe that other modifications such as addition of a targeting agent or surface coating of the vesicles could significantly increase the bioavailability of insulin-loaded vesicles.
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Affiliation(s)
- Mohammad Reza Fadaei
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Marzieh Mohammadi
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Saleh Fadaei
- Student Research Committee, School of Pharmacy, Mashhad University of Medical Science, Mashhad, Iran
| | - Mahmoud Reza Jaafari
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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Zhang Q, Zhang M, Du Y, Xu B, Chen G, He S, Zhang D, Li Q, Wang HX. Trace detection of SARS-CoV-2 N-protein by diamond solution-gate field-effect transistor. DIAMOND AND RELATED MATERIALS 2023; 134:109775. [PMID: 36819598 PMCID: PMC9918317 DOI: 10.1016/j.diamond.2023.109775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 02/08/2023] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
In this study, we introduced H-terminated diamond solution-gate field-effect transistor (H-diamond SGFET) to detect trace SARS-CoV-2 N-protein, which plays an important role in replication and transcription of viral RNA. 1-Pyrenebutyric acid-N-hydroxy succinimide ester (Pyr-NHS) was modified on H-diamond surface as linker, on which the specific antibody of SARS-CoV-2 N-protein was catenated. Fourier transform infrared spectrum, scanning electron microscope and energy dispersive spectrum were utilized to demonstrate the modification of H-diamond with Pyr-NHS and antibody. Shifts of IDS(max) at VGS = -500 mV in transfer characteristics of H-diamond SGFET was observed to determine N-protein concentration in phosphate buffer solution. Good linear relationship between IDS(max) and log10(N-protein) was observed from 10-14 to 10-5 g/mL with goodness of fit R2 = 0.90 and sensitivity of 1.98 μA/Log10 [concentration of N-protein] at VDS = -500 mV, VGS = -500 mV. Consequently, this prepared H-diamond SGFET biosensor may provide a new idea for diagnosis of SARS-CoV-2 due to a wide detection range from 10-14 to 10-5 g/mL and low limit of detection 10-14 g/mL.
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Affiliation(s)
- Qianwen Zhang
- The Key Laboratory of Physical Electronics and Devices, Ministry of Education, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Minghui Zhang
- The Key Laboratory of Physical Electronics and Devices, Ministry of Education, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Yuxiang Du
- The Key Laboratory of Physical Electronics and Devices, Ministry of Education, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Bangqiang Xu
- Laboratory of Infectious and Immune Diseases, Shaanxi Provincial People's Hospital (The Third Affiliated Hospital of Xi'an Jiaotong University), Xi'an 710068, China
| | - Genqiang Chen
- The Key Laboratory of Physical Electronics and Devices, Ministry of Education, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Shi He
- The Key Laboratory of Physical Electronics and Devices, Ministry of Education, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Dan Zhang
- Laboratory of Infectious and Immune Diseases, Shaanxi Provincial People's Hospital (The Third Affiliated Hospital of Xi'an Jiaotong University), Xi'an 710068, China
| | - Qi Li
- The Key Laboratory of Physical Electronics and Devices, Ministry of Education, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Hong-Xing Wang
- The Key Laboratory of Physical Electronics and Devices, Ministry of Education, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
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32
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Chu IT, Hutcheson BO, Malsch HR, Pielak GJ. Macromolecular Crowding by Polyethylene Glycol Reduces Protein Breathing. J Phys Chem Lett 2023; 14:2599-2605. [PMID: 36881386 DOI: 10.1021/acs.jpclett.3c00271] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Most efforts to understand macromolecular crowding focus on global (i.e., complete) unfolding, but smaller excursions, often called breathing, promote aggregation, which is associated with several diseases and the bane of pharmaceutical and commercial protein production. We used NMR to assess the effects of ethylene glycol (EG) and polyethylene glycols (PEGs) on the structure and stability of the B1 domain of protein G (GB1). Our data show that EG and PEGs stabilize GB1 differently. EG interacts with GB1 more strongly than PEGs, but neither affects the structure of the folded state. EG and 12000 g/mol PEG stabilize GB1 more than PEGs of intermediate size, but EG and smaller PEGs stabilize GB1 enthalpically while the largest PEG acts entropically. Our key finding is that PEGs turn local unfolding into global unfolding, and meta-analysis of published data supports this conclusion. These efforts provide knowledge that can be applied to improve biological drugs and commercial enzymes.
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Affiliation(s)
- I-Te Chu
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Brent O Hutcheson
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Hudson R Malsch
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Gary J Pielak
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
- Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
- Integrative Program for Biological and Genome Sciences, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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Rajan R, Matsumura K. Design of self-assembled glycopolymeric zwitterionic micelles as removable protein stabilizing agents. NANOSCALE ADVANCES 2023; 5:1767-1775. [PMID: 36926568 PMCID: PMC10012880 DOI: 10.1039/d3na00002h] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 02/20/2023] [Indexed: 06/15/2023]
Abstract
Developing stabilizers that protect proteins from denaturation under stress, and are easy to remove from solutions, is a challenge in protein therapeutics. In this study, micelles made of trehalose, a zwitterionic polymer (poly-sulfobetaine; poly-SPB), and polycaprolactone (PCL) were synthesized by a one-pot reversible addition-fragmentation chain-transfer (RAFT) polymerization reaction. The micelles protect lactate dehydrogenase (LDH) and human insulin from denaturation due to stresses like thermal incubation and freezing, and help them retain higher-order structures. Importantly, the protected proteins are readily isolated from the micelles by ultracentrifugation, with over 90% recovery, and almost all enzymatic activity is retained. This suggests the great potential of poly-SPB-based micelles for use in applications requiring protection and removal as required. The micelles may also be used to effectively stabilize protein-based vaccines and drugs.
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Affiliation(s)
- Robin Rajan
- School of Materials Science, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
| | - Kazuaki Matsumura
- School of Materials Science, Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
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Designing Formulation Strategies for Enhanced Stability of Therapeutic Peptides in Aqueous Solutions: A Review. Pharmaceutics 2023; 15:pharmaceutics15030935. [PMID: 36986796 PMCID: PMC10056213 DOI: 10.3390/pharmaceutics15030935] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/04/2023] [Accepted: 03/09/2023] [Indexed: 03/15/2023] Open
Abstract
Over the past few decades, there has been a tremendous increase in the utilization of therapeutic peptides. Therapeutic peptides are usually administered via the parenteral route, requiring an aqueous formulation. Unfortunately, peptides are often unstable in aqueous solutions, affecting stability and bioactivity. Although a stable and dry formulation for reconstitution might be designed, from a pharmaco-economic and practical convenience point of view, a peptide formulation in an aqueous liquid form is preferred. Designing formulation strategies that optimize peptide stability may improve bioavailability and increase therapeutic efficacy. This literature review provides an overview of various degradation pathways and formulation strategies to stabilize therapeutic peptides in aqueous solutions. First, we introduce the major peptide stability issues in liquid formulations and the degradation mechanisms. Then, we present a variety of known strategies to inhibit or slow down peptide degradation. Overall, the most practical approaches to peptide stabilization are pH optimization and selecting the appropriate type of buffer. Other practical strategies to reduce peptide degradation rates in solution are the application of co-solvency, air exclusion, viscosity enhancement, PEGylation, and using polyol excipients.
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Tavakoli M, Ghadami SA, Adibi H, Gulcan HO. Synthesis of benzylidene-benzofuranone derivatives as probes for detection of amyloid fibrils in cells. J Biomol Struct Dyn 2023; 41:14989-15002. [PMID: 36866639 DOI: 10.1080/07391102.2023.2184635] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 02/20/2023] [Indexed: 03/04/2023]
Abstract
Aggregated protein is the common cause of a wide variety of neurodegenerative diseases, such as Alzheimer's disease (AD), Parkinson's disease, etc. It is proven that protein aggregation like amyloid β (Aβ) is one of the critical factors causing AD and, its diagnosis in the early stages of the disease is important for the treatment or prevention of AD. To have a better understanding of protein aggregation and its pathologies, there is a huge need to design and develop new and more trustworthy probe molecules for in vitro amyloid quantification and in vivo amyloid imaging. In this study, 17 new biomarker compounds, have been synthesized from benzofuranone derivatives, to detect and identify amyloid in vitro (dye-binding assay) as well as in the cell by staining method. According to the results, some of these synthetic derivatives can be considered suitable identifiers and quantifiers to detect amyloid fibrils in vitro. Compared to thioflavin T, 4 probes out of 17 probes have shown good results in selectivity and detectability of Aβ depositions, and their binding properties were also confirmed with in silico analysis. The drug-likeness prediction results for selected compounds by the Swiss ADME server show a satisfactory percentage of blood-brain barrier (BBB) permeability and gastrointestinal (GI) absorption. Among all of them, compound 10 was able to show better binding properties than others, and in vivo study showed that this compound was capable of detecting intracellular amyloid.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mohsen Tavakoli
- Department of Biotechnology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Faculty of Pharmacy, Eastern Mediterranean University, TRNC, Famagusta, Turkey
| | | | - Hadi Adibi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Pérez-Robles R, Salmerón-García A, Hermosilla J, Torrente-López A, Clemente-Bautista S, Jiménez-Lozano I, Cabañas-Poy MJ, Cabeza J, Navas N. Comprehensive physicochemical characterization of a peptide-based medicine: Teduglutide (Revestive®) structural description and stress testing. Eur J Pharm Biopharm 2023; 184:103-115. [PMID: 36669672 DOI: 10.1016/j.ejpb.2023.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/29/2022] [Accepted: 01/02/2023] [Indexed: 01/19/2023]
Abstract
Teduglutide (Revestive®) is a glucagon-like peptide-2 analogue used for the treatment of short bowel syndrome, a rare life-threatening condition in which the amount of functional gut is too short to enable proper absorption of nutrients and fluids. During handling prior to administration to the patient in hospital, it is possible that peptide-based medicines may be exposed to environmental stress conditions that could affect their quality. It is therefore essential to carry out stress testing studies to evaluate how such medicines respond to these stresses. For this reason, in this paper we present a strategy for a comprehensive analytical characterization of a peptide and a stress testing study in which it was subjected to various stress conditions: heating at 40 °C and 60 °C, light exposure and shaking. Several complementary analytical techniques were used throughout this study: Far UV circular dichroism, intrinsic protein fluorescence spectroscopy, dynamic light scattering, size-exclusion chromatography and intact and peptide mapping reverse-phase chromatography coupled to mass spectrometry. To the best of our knowledge, this is the first study to offer an in-depth description of the chemical structure of teduglutide peptide and its physicochemical characteristics after stress stimuli were applied to the reconstituted medicine Revestive®.
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Affiliation(s)
- Raquel Pérez-Robles
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain; Department of Analytical Chemistry, Science Faculty, University of Granada, Granada, Spain; Fundación para la Investigación Biosanitaria de Andalucía Oriental-Alejandro Otero, Granada, Spain
| | - Antonio Salmerón-García
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain; Department of Clinical Pharmacy, San Cecilio University Hospital, Granada, Spain
| | - Jesus Hermosilla
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain; Department of Analytical Chemistry, Science Faculty, University of Granada, Granada, Spain
| | - Anabel Torrente-López
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain; Department of Analytical Chemistry, Science Faculty, University of Granada, Granada, Spain
| | | | - Inés Jiménez-Lozano
- Maternal and Child Pharmacy Service, Vall d'Hebron Hospital, Pharmacy, Barcelona, Spain
| | | | - Jose Cabeza
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain; Department of Clinical Pharmacy, San Cecilio University Hospital, Granada, Spain
| | - Natalia Navas
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain; Department of Analytical Chemistry, Science Faculty, University of Granada, Granada, Spain.
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Rajan R, Kumar N, Zhao D, Dai X, Kawamoto K, Matsumura K. Polyampholyte-Based Polymer Hydrogels for the Long-Term Storage, Protection and Delivery of Therapeutic Proteins. Adv Healthc Mater 2023:e2203253. [PMID: 36815203 DOI: 10.1002/adhm.202203253] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/20/2023] [Indexed: 02/24/2023]
Abstract
Protein storage and delivery are crucial for biomedical applications such as protein therapeutics and recombinant proteins. Lack of proper protocols results in the denaturation of proteins, rendering them inactive and manifesting undesired side effects. In this study, polyampholyte-based (succinylated ε-poly-l-lysine) hydrogels containing polyvinyl alcohol and polyethylene glycol polymer matrices to stabilize proteins are developed. These hydrogels facilitated the loading and release of therapeutic amounts of proteins and withstood thermal and freezing stress (15 freeze-thaw cycles and temperatures of -80 °C and 37 °C), without resulting in protein denaturation and aggregation. To the best of our knowledge, this strategy has not been applied to the design of hydrogels constituting polymers, (in particular, polyampholyte-based polymers) which have inherent efficiency to stabilize proteins and protect them from denaturation. Our findings can open up new avenues in protein biopharmaceutics for the design of materials that can store therapeutic proteins long-term under severe stress and safely deliver them.
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Affiliation(s)
- Robin Rajan
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan
| | - Nishant Kumar
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan
| | - Dandan Zhao
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan
| | - Xianda Dai
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan
| | - Keiko Kawamoto
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan
| | - Kazuaki Matsumura
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan
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38
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Schuster J, Kamuju V, Mathaes R. Protein Stability After Administration: A Physiologic Consideration. J Pharm Sci 2023; 112:370-376. [PMID: 36202247 DOI: 10.1016/j.xphs.2022.09.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/30/2022] [Accepted: 09/30/2022] [Indexed: 11/05/2022]
Abstract
Regulatory authorities and the scientific community have identified the need to monitor the in vivo stability of therapeutic proteins (TPs). Due to the unique physiologic conditions in patients, the stability of TPs after administration can deviate largely from their stability under drug product (DP) conditions. TPs can degrade at substantial rates once immersed in the in vivo milieu. Changes in protein stability upon administration to patients are critical as they can have implications on patient safety and clinical effectiveness of DPs. Physiologic conditions are challenging to simulate and require dedicated in vitro models for specific routes of administration. Advancements of in vitro models enable to simulate the exposure to physiologic conditions prior to resource demanding pre-clinical and clinical studies. This enables to evaluate the in vivo stability and thus may allow to improve the safety/efficacy profile of DPs. While in vitro-in vivo correlations are challenging, benchmarking DP candidates enables to identify liabilities and optimize molecules. The in vivo stability should be an integral part of holistic stability assessments during early development. Such assessments can accelerate development timelines and lead to more stable DPs for patients.
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Affiliation(s)
- Joachim Schuster
- Lonza Pharma and Biotech, Drug Product Services, Basel, Switzerland.
| | - Vinay Kamuju
- Lonza Pharma and Biotech, Drug Product Services, Basel, Switzerland
| | - Roman Mathaes
- Lonza Pharma and Biotech, Drug Product Services, Basel, Switzerland
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Residue-Specific Impact of EDTA and Methionine on Protein Oxidation in Biotherapeutics Formulations Using an Integrated Biotherapeutics Drug Product Development Workflow. J Pharm Sci 2023; 112:471-481. [PMID: 36130676 DOI: 10.1016/j.xphs.2022.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 09/11/2022] [Accepted: 09/12/2022] [Indexed: 01/18/2023]
Abstract
The rational design and selection of formulation composition to meet molecule-specific and product-specific needs are critical for biotherapeutics development to ensure physical and chemical stability. This work, based on three antibody-based (mAb) proteins (mAbA, mAbB, and mAbC), evaluates residue-specific impact of EDTA and methionine on protein oxidation, using an integrated biotherapeutics drug product development workflow. This workflow includes statistical experimental design, high-throughput experimental automation and execution, structure-based in silico modeling, inferential statistical analysis, and enhanced interactive data visualization of large datasets. This oxidation study evaluates the impact of formulation parameters including pH, protein concentration, and the presence of polysorbate 80 on the oxidation of specific conserved and variable residues of mAbs A, B, and C in the presence of stressors (iron, peroxide) and/or protectants (EDTA, L-methionine). Residue-specific analysis by automated high-throughput peptide mapping demonstrates differential residue-specific effects of EDTA and methionine in protecting against oxidation, highlighting the need for molecule-specific and product-specific selection of these excipients during formulation development. Computational modeling based on a homology model and the two-shell water coordination method (WCN) was employed to gain mechanistic understanding of residue-specific oxidation susceptibility of methionine residues. The computational determinants of local solvent exposure of methionine residues showed good correlation of WCN with experimentally determined oxidation for corresponding residues. The rapid generation of high-resolution data, statistical data analysis and interactive visualization of the high-throughput residue-level data containing ∼200 unique formulations facilitate residue-specific, molecule-specific and product-specific oxidation (global and local) assessment for oxidation protectants during early development for mAbs and related mAb-based modalities.
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40
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Vieillard V, Paul M. Physicochemical stability study of a biosimilar of Bevacizumab in vials and after dilution in 0.9% NaCl in polyolefin intravenous bags. PHARMACEUTICAL TECHNOLOGY IN HOSPITAL PHARMACY 2023. [DOI: 10.1515/pthp-2022-0007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023] Open
Abstract
Abstract
Objectives
Bevacizumab was first marketed in 2005. Since then, its stability has been extensively studied. The arrival of numerous biosimilars on the market has called into question these stabilities and organisation within reconstitution units. To study the stability of the Bevacizumab biosimilar Alymsys® marketed by Zentiva laboratory in ready-to-use vials at a concentration of 25 mg/mL and following dilution to obtain final concentrations of 1.4 and 16.5 mg/mL and storage in polyolefin IV bags at 4 °C. In parallel, the impact of a storage temperature excursion at 25 °C for three days and storage of the vial before opening at room temperature (25 ± 2 °C) and after opening at 4 °C was studied.
Methods
The vials were supplied by Zentiva laboratory. The vials (three batches) were diluted to the final concentrations of 1.4 or 16.5 mg/mL in 100 mL IV bags of NaCl. The IV bags and vials were stored at 4 °C and at room temperature throughout the duration of the study. The physico-chemical stability was tested using the following methods: turbidimetry, UV spectrometry and fluorescence, dynamic light scattering, ion exchange and steric exclusion chromatography, pH, osmolality and density.
Results
Out of all the parameters studied, for the two concentrations and standard storage conditions (90 days at +4 °C) or after a three-day temperature excursion at +25 °C, no modification was detected for the three batches tested with respect to physical and chemical stability. Hence, no signs of physical instability were observed, with, in particular, the absence of formation of submicron or micron sized aggregates and particles. The steric exclusion chromatography profiles did not demonstrate any oligomer formation or molecular structure rupture. Ion exchange chromatography did not demonstrate any significant modification in the distribution of charge variants. Derivative UV and fluorescence spectral analysis did not demonstrate any modification. The thermal denaturation curves were identical, suggesting the absence of thermodynamic destabilisation. Identical results were observed for the vials stored for 60 days at 4 °C after opening. Finally, only ion exchange chromatography demonstrated a slight change after 45 days of storage at 25 °C for vials before opening.
Conclusions
After dilution in sterile conditions with 0.9% NaCl in polyolefin IV bags, at the usual concentrations of 1.4 and 16.5 mg/mL, the Bevacizumab biosimilar Alymsys® is stable for at least three months at 4 °C protected from light and after a three-day temperature excursion at +25 °C. The same conclusions can be reached for the 25 mg/mL vials stored for 60 days at +4 °C after opening. However, the stability of vials stored at 25 °C before opening is no longer guaranteed beyond 15 days.
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Affiliation(s)
| | - Muriel Paul
- Service Pharmacie , CHU Henri Mondor , Créteil , France
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41
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Liang K, Luo H, Li Q. Enhancing and stabilizing monoclonal antibody production by Chinese hamster ovary (CHO) cells with optimized perfusion culture strategies. Front Bioeng Biotechnol 2023; 11:1112349. [PMID: 36741761 PMCID: PMC9895834 DOI: 10.3389/fbioe.2023.1112349] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/09/2023] [Indexed: 01/21/2023] Open
Abstract
The perfusion medium is critical in maintaining high cell concentration in cultures for the production of monoclonal antibody by Chinese hamster ovary cells. In this study, the effects of perfusion culture strategies when using different media on the process stability, product titer, and product quality were investigated in 3-L bioreactor. The results indicated that continuous perfusion could maintain higher levels of cell density, product titer, and quality in comparison with those of the intermittent perfusion culture. Next, the perfusion culture conditions with different perfusion rates and temperature reduction methods were further optimized. When combining the high perfusion rates and delayed reduction of culture temperature at day 6, the product titer reached a higher level of 16.19 g/L with the monomer relative abundant of 97.6%. In this case, the main peak of the product reached 56.3% and the total N-glycans ratio was 95.2%. To verify the effectiveness of the optimized perfusion culture in a larger scale, a 200-L bioreactor was used to perform and the final product titer reached the highest level of 16.79 g/L at day 16. Meanwhile, the product quality (monomer abundant of 97.6%, main peak of 56.3%, and N-glycans ratio of 96.5%) could also be well maintained. This study provided some guidance for the high-efficient production of monoclonal antibody by CHO cells via optimized perfusion culture strategy.
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Affiliation(s)
- Kexue Liang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Hongzhen Luo
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China,School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Qi Li
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China,*Correspondence: Qi Li,
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42
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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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The Effect of Arginine on the Phase Stability of Aqueous Hen Egg-White Lysozyme Solutions. Int J Mol Sci 2023; 24:ijms24021197. [PMID: 36674727 PMCID: PMC9861001 DOI: 10.3390/ijms24021197] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/21/2022] [Accepted: 12/28/2022] [Indexed: 01/11/2023] Open
Abstract
The effect of arginine on the phase stability of the hen egg-white lysozyme (HEWL) has been studied via molecular dynamics computer simulations, as well as experimentally via cloud-point temperature determination. The experiments show that the addition of arginine increases the stability of the HEWL solutions. The computer simulation results indicate that arginine molecules tend to self-associate. If arginine residues are located on the protein surface, the free arginine molecules stay in their vicinity and prevent the way protein molecules "connect" through them to form clusters. The results are not sensitive to a particular force field and suggest a possible microscopic mechanism of the stabilizing role of arginine as an excipient.
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44
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Ghosh I, Gutka H, Krause ME, Clemens R, Kashi RS. A systematic review of commercial high concentration antibody drug products approved in the US: formulation composition, dosage form design and primary packaging considerations. MAbs 2023; 15:2205540. [PMID: 37243580 DOI: 10.1080/19420862.2023.2205540] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 04/15/2023] [Accepted: 04/18/2023] [Indexed: 05/29/2023] Open
Abstract
Three critical aspects that define high concentration antibody products (HCAPs) are as follows: 1) formulation composition, 2) dosage form, and 3) primary packaging configuration. HCAPs have become successful in the therapeutic sector due to their unique advantage of allowing subcutaneous self-administration. Technical challenges, such as physical and chemical instability, viscosity, delivery volume limitations, and product immunogenicity, can hinder successful development and commercialization of HCAPs. Such challenges can be overcome by robust formulation and process development strategies, as well as rational selection of excipients and packaging components. We compiled and analyzed data from US Food and Drug Administration-approved and marketed HCAPs that are ≥100 mg/mL to identify trends in formulation composition and quality target product profile. This review presents our findings and discusses novel formulation and processing technologies that enable the development of improved HCAPs at ≥200 mg/mL. The observed trends can be used as a guide for further advancements in the development of HCAPs as more complex antibody-based modalities enter biologics product development.
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Affiliation(s)
- Indrajit Ghosh
- Sterile Product Development, Bristol Myers Squibb, New Brunswick, NJ, USA
| | - Hiten Gutka
- Sterile Product Development, Bristol Myers Squibb, New Brunswick, NJ, USA
| | - Mary E Krause
- Sterile Product Development, Bristol Myers Squibb, New Brunswick, NJ, USA
| | - Ryan Clemens
- College of Pharmacy, University of Illinois at Chicago, Chicago, USA
| | - Ramesh S Kashi
- Sterile Product Development, Bristol Myers Squibb, Summit, NJ, USA
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45
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Mieczkowski C, Zhang X, Lee D, Nguyen K, Lv W, Wang Y, Zhang Y, Way J, Gries JM. Blueprint for antibody biologics developability. MAbs 2023; 15:2185924. [PMID: 36880643 PMCID: PMC10012935 DOI: 10.1080/19420862.2023.2185924] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023] Open
Abstract
Large-molecule antibody biologics have revolutionized medicine owing to their superior target specificity, pharmacokinetic and pharmacodynamic properties, safety and toxicity profiles, and amenability to versatile engineering. In this review, we focus on preclinical antibody developability, including its definition, scope, and key activities from hit to lead optimization and selection. This includes generation, computational and in silico approaches, molecular engineering, production, analytical and biophysical characterization, stability and forced degradation studies, and process and formulation assessments. More recently, it is apparent these activities not only affect lead selection and manufacturability, but ultimately correlate with clinical progression and success. Emerging developability workflows and strategies are explored as part of a blueprint for developability success that includes an overview of the four major molecular properties that affect all developability outcomes: 1) conformational, 2) chemical, 3) colloidal, and 4) other interactions. We also examine risk assessment and mitigation strategies that increase the likelihood of success for moving the right candidate into the clinic.
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Affiliation(s)
- Carl Mieczkowski
- Department of Protein Sciences, Hengenix Biotech, Inc, Milpitas, CA, USA
| | - Xuejin Zhang
- Department of Protein Sciences, Hengenix Biotech, Inc, Milpitas, CA, USA
| | - Dana Lee
- Department of Protein Sciences, Hengenix Biotech, Inc, Milpitas, CA, USA
| | - Khanh Nguyen
- Department of Protein Sciences, Hengenix Biotech, Inc, Milpitas, CA, USA
| | - Wei Lv
- Department of Protein Sciences, Hengenix Biotech, Inc, Milpitas, CA, USA
| | - Yanling Wang
- Department of Protein Sciences, Hengenix Biotech, Inc, Milpitas, CA, USA
| | - Yue Zhang
- Department of Protein Sciences, Hengenix Biotech, Inc, Milpitas, CA, USA
| | - Jackie Way
- Department of Protein Sciences, Hengenix Biotech, Inc, Milpitas, CA, USA
| | - Jean-Michel Gries
- President, Discovery Research, Hengenix Biotech, Inc, Milpitas, CA, USA
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46
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BioMThermDB 1.0: Thermophysical Database of Proteins in Solutions. Int J Mol Sci 2022; 23:ijms232315371. [PMID: 36499696 PMCID: PMC9741033 DOI: 10.3390/ijms232315371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/01/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022] Open
Abstract
We present here a freely available web-based database, called BioMThermDB 1.0, of thermophysical and dynamic properties of various proteins and their aqueous solutions. It contains the hydrodynamic radius, electrophoretic mobility, zeta potential, self-diffusion coefficient, solution viscosity, and cloud-point temperature, as well as the conditions for those determinations and details of the experimental method. It can facilitate the meta-analysis and visualization of data, can enable comparisons, and may be useful for comparing theoretical model predictions with experiments.
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Yoo G, An HJ, Yeou S, Lee NK. α-Synuclein Disrupts Vesicle Fusion by Two Mutant-Specific Mechanisms. Mol Cells 2022; 45:806-819. [PMID: 36380732 PMCID: PMC9676983 DOI: 10.14348/molcells.2022.0102] [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: 06/23/2022] [Revised: 07/26/2022] [Accepted: 07/28/2022] [Indexed: 11/17/2022] Open
Abstract
Synaptic accumulation of α-synuclein (α-Syn) oligomers and their interactions with VAMP2 have been reported to be the basis of synaptic dysfunction in Parkinson's disease (PD). α-Syn mutants associated with familial PD have also been known to be capable of interacting with VAMP2, but the exact mechanisms resulting from those interactions to eventual synaptic dysfunction are still unclear. Here, we investigate the effect of α-Syn mutant oligomers comprising A30P, E46K, and A53T on VAMP2-embedded vesicles. Specifically, A30P and A53T oligomers cluster vesicles in the presence of VAMP2, which is a shared mechanism with wild type α-Syn oligomers induced by dopamine. On the other hand, E46K oligomers reduce the membrane mobility of the planar bilayers, as revealed by single-particle tracking, and permeabilize the membranes in the presence of VAMP2. In the absence of VAMP2 interactions, E46K oligomers enlarge vesicles by fusing with one another. Our results clearly demonstrate that α-Syn mutant oligomers have aberrant effects on VAMP2-embedded vesicles and the disruption types are distinct depending on the mutant types. This work may provide one of the possible clues to explain the α-Syn mutant-type dependent pathological heterogeneity of familial PD.
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Affiliation(s)
- Gyeongji Yoo
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
| | - Hyeong Jeon An
- Department of Physics, Pohang University of Science and Technology, Pohang 37673, Korea
| | - Sanghun Yeou
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
| | - Nam Ki Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
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Castañeda Ruiz AJ, Shetab Boushehri MA, Phan T, Carle S, Garidel P, Buske J, Lamprecht A. Alternative Excipients for Protein Stabilization in Protein Therapeutics: Overcoming the Limitations of Polysorbates. Pharmaceutics 2022; 14:pharmaceutics14122575. [PMID: 36559072 PMCID: PMC9781097 DOI: 10.3390/pharmaceutics14122575] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/11/2022] [Accepted: 11/15/2022] [Indexed: 11/25/2022] Open
Abstract
Given their safety and efficiency in protecting protein integrity, polysorbates (PSs) have been the most widely used excipients for the stabilization of protein therapeutics for years. In recent decades, however, there have been numerous reports about visible or sub-visible particles in PS-containing biotherapeutic products, which is a major quality concern for parenteral drugs. Alternative excipients that are safe for parenteral administration, efficient in protecting different protein drugs against various stress conditions, effective in protein stabilization in high-concentrated liquid formulations, stable under the storage conditions for the duration of the product's shelf-life, and compatible with other formulation components and the primary packaging are highly sought after. The aim of this paper is to review potential alternative excipients from different families, including surfactants, carbohydrate- and amino acid-based excipients, synthetic amphiphilic polymers, and ionic liquids that enable protein stabilization. For each category, important characteristics such as the ability to stabilize proteins against thermal and mechanical stresses, current knowledge related to the safety profile for parenteral administration, potential interactions with other formulation components, and primary packaging are debated. Based on the provided information and the detailed discussion thereof, this paper may pave the way for the identification or development of efficient excipients for biotherapeutic protein stabilization.
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Affiliation(s)
- Angel J. Castañeda Ruiz
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Bonn, 53121 Bonn, Germany
| | | | - Tamara Phan
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, Birkendorfer Straße 65, 88397 Biberach an der Riss, Germany
| | - Stefan Carle
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, Birkendorfer Straße 65, 88397 Biberach an der Riss, Germany
| | - Patrick Garidel
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, Birkendorfer Straße 65, 88397 Biberach an der Riss, Germany
| | - Julia Buske
- Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, Birkendorfer Straße 65, 88397 Biberach an der Riss, Germany
- Correspondence: (J.B.); (A.L.); Tel.: +49-7351-54-145-398 (J.B.); +49-228-735-243 (A.L.)
| | - Alf Lamprecht
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Bonn, 53121 Bonn, Germany
- Correspondence: (J.B.); (A.L.); Tel.: +49-7351-54-145-398 (J.B.); +49-228-735-243 (A.L.)
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Bana AAK, Mehta P, Ramnani KAK. Physical Instabilities of Therapeutic Monoclonal Antibodies: A Critical Review. Curr Drug Discov Technol 2022; 19:e240622206367. [PMID: 35748546 DOI: 10.2174/1570163819666220624092622] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 03/26/2022] [Accepted: 03/30/2022] [Indexed: 01/27/2023]
Abstract
The proteinaceous nature of monoclonal antibodies (mAbs) makes them highly sensitive to various physical and chemical conditions, thus leading to instabilities that are classified as physical and chemical instabilities. In this review, we are discussing in detail the physical instability of mAbs because a large number of articles previously published solely focus on the chemical aspect of the instability with little coverage on the physical side. The physical instabilities of mAbs are classified into denaturation and aggregation (precipitation, visible and subvisible particles). The mechanism involved in their formation is discussed in the article, along with the pathways correlating the denaturation of mAb or the formation of aggregates to immunogenicity. Further equations like Gibbs-Helmholtz involved in detecting and quantifying denaturation are discussed, along with various factors causing the denaturation. Moreover, questions related to aggregation like the types of aggregates and the pathway involved in their formation are answered in this article. Factors influencing the physical stability of the mAbs by causing denaturation or formation of aggregates involving the structure of the protein, concentration of mAbs, pH of the protein and the formulations, excipients involved in the formulations, salts added to the formulations, storage temperature, light and UV radiation exposure and processing factors are mentioned in this article. Finally, the analytical approaches used for detecting and quantifying the physical instability of mAbs at all levels of structural conformation like far and near UV, infrared spectroscopy, capillary electrophoresis, LC-MS, microflow imagining, circular dichroism and peptide mapping are discussed.
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Affiliation(s)
- Arpit Arun K Bana
- Department of Pharmaceutical Analysis, Institute of Pharmacy, Nirma University, Ahmedabad 382481, India
| | - Priti Mehta
- Department of Pharmaceutical Analysis, Institute of Pharmacy, Nirma University, Ahmedabad 382481, India
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Shahfar H, O'Brien CJ, Budyak IL, Roberts CJ. Predicting Experimental B22 Values and the Effects of Histidine Charge States for Monoclonal Antibodies Using Coarse-Grained Molecular Simulations. Mol Pharm 2022; 19:3820-3830. [PMID: 36194430 DOI: 10.1021/acs.molpharmaceut.2c00337] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Static light scattering (SLS) was used to characterize five monoclonal antibodies (MAbs) as a function of total ionic strength (TIS) at pH values between 5.5 and 7.0. Second osmotic virial coefficient (B22) values were determined experimentally for each MAb as a function of TIS using low protein concentration SLS data. Coarse-grained molecular simulations were performed to predict the B22 values for each MAb at a given pH and TIS. To include the effect of charge fluctuations of titratable residues in the B22 calculations, a statistical approach was introduced in the Monte Carlo algorithm based on the protonation probability based on a given pH value and the Henderson-Hasselbalch equation. The charged residues were allowed to fluctuate individually, based on the sampled microstates and the influence of electrostatic interactions on net protein-protein interactions during the simulations. Compared to static charge simulations, the new approach provided improved results compared to experimental B22 values at pH conditions near the pKa of titratable residues.
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Affiliation(s)
- Hassan Shahfar
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware19716, United States
| | - Christopher J O'Brien
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware19716, United States
| | - Ivan L Budyak
- Bioproduct Research and Development, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana46285, United States
| | - Christopher J Roberts
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware19716, United States
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