101
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DEHP Nanodroplets Leached From Polyvinyl Chloride IV Bags Promote Aggregation of IVIG and Activate Complement in Human Serum. J Pharm Sci 2019; 109:429-442. [PMID: 31229435 DOI: 10.1016/j.xphs.2019.06.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 06/12/2019] [Accepted: 06/14/2019] [Indexed: 12/15/2022]
Abstract
Concerns regarding the impact of subvisible particulate impurities on the safety and efficacy of therapeutic protein products have led manufacturers to implement strategies to minimize protein aggregation and particle formation during manufacturing, storage, and shipping. However, once these products are released, manufacturers have limited control over product handling. In this work, we investigated the effect of di(2-ethylhexyl) phthalate (DEHP) nanodroplets generated in polyvinyl chloride (PVC) bags of intravenous (IV) saline on the stability and immunogenicity of IV immunoglobulin (IVIG) formulations. We showed that PVC IV bags containing saline can release DEHP droplets into the solution when agitated or transported using a pneumatic tube transportation system in a clinical setting. We next investigated the effects of emulsified DEHP nanodroplets on IVIG stability and immunogenicity. IVIG adsorbed strongly to DEHP nanodroplets, forming a monolayer. In addition, DEHP nanodroplets accelerated IVIG aggregation in agitated samples. The immunogenicity of DEHP nanodroplets and IVIG aggregates generated in these formulations were evaluated using an in vitro assay of complement activation in human serum. The results suggested DEHP nanodroplets shed from PVC IV bags could reduce protein stability and induce activation of the complement system, potentially contributing to adverse immune responses during the administration of therapeutic proteins.
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102
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Quinn MK, James S, McManus JJ. Chemical Modification Alters Protein-Protein Interactions and Can Lead to Lower Protein Solubility. J Phys Chem B 2019; 123:4373-4379. [PMID: 31046277 DOI: 10.1021/acs.jpcb.9b02368] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The chemical modification of proteins is at the frontier of developments in biological imaging and biopharmaceutics. With the advent of more sensitive and higher resolution imaging techniques, researchers increasingly rely on the functionalization of proteins to enable these techniques to capture cellular processes. For biopharmaceutical therapies, chemically modified proteins, for example, antibody-drug conjugates (ADCs) offer the possibility of more tailored treatments for the disease with lower toxicities than traditional small molecule therapies. However, relatively little consideration is paid to how chemical modifications impact protein-protein interactions and solution stability. Using human γD-crystallin as a model, we demonstrate that chemical modification of the protein surface alters protein-protein interactions, which can result in lower solubility depending on the chemical nature of the modifier and the position on the protein where the modification is made. Understanding these effects is essential to ensure that modifying proteins effectively occurs with minimum self-association and that studies carried out using labeled proteins accurately reflect those of unmodified proteins.
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Affiliation(s)
- Michelle K Quinn
- Department of Chemistry , Maynooth University , Maynooth , Co. Kildare , Ireland
| | - Susan James
- Department of Chemistry , Maynooth University , Maynooth , Co. Kildare , Ireland
| | - Jennifer J McManus
- Department of Chemistry , Maynooth University , Maynooth , Co. Kildare , Ireland
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103
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Investigating the Influence of Polysorbate 20/80 and Polaxomer P188 on the Surface & Interfacial Properties of Bovine Serum Albumin and Lysozyme. Pharm Res 2019; 36:107. [DOI: 10.1007/s11095-019-2631-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 04/25/2019] [Indexed: 12/15/2022]
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104
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Polydispersity and negative charge are key modulators of extracellular matrix deposition under macromolecular crowding conditions. Acta Biomater 2019; 88:197-210. [PMID: 30831324 DOI: 10.1016/j.actbio.2019.02.050] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 02/15/2019] [Accepted: 02/28/2019] [Indexed: 12/22/2022]
Abstract
Macromolecular crowding is a biophysical phenomenon that stems from the volume excluded by macromolecules, as they undergo steric repulsion and electrostatic interactions. The excluded volume depends on the shape, size, charge and polydispersity of the molecules. Although theoretical/computational models have been used to assess the influence of macromolecular crowding in biological media, real-time experiments are scarce. Herein, we evaluated the influence of hydrodynamic radius, charge and polydispersity of (a) various concentrations of different crowders (carrageenan, Ficoll™ and dextran sulphate); (b) various molecular weights of different crowders (70, 400 and 100 kDa of Ficoll™ and 10, 100 and 500 kDa of dextran sulphate) and (c) various cocktails of the same crowders (cocktails of various concentrations of different molecular weights Ficoll™ and dextran sulphate) on extracellular matrix deposition in human dermal fibroblast culture. The use of crowding cocktails with different molecular weight/concentrations of Ficoll™ or dextran sulphate molecules led to increased polydispersity and enhanced collagen type I deposition in comparison to their mono-domain counterparts. Carrageenan, however, induced the highest deposition of collagen type I due to its negative charge and inherent polydispersity. Our data contribute to a better understanding of the influence of the biophysical properties of the crowders on extracellular matrix deposition in vitro. STATEMENT OF SIGNIFICANCE: Macromolecular crowding is a biophysical phenomenon that accelerates and enhances extracellular matrix deposition in cell culture systems. Herein, we demonstrate that negatively charged and polydispersed macromolecules or cocktails of macromolecules, as opposed to neutral and monodomain macromolecules, induce highest extracellular matrix deposition in human dermal fibroblast cultures.
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105
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Kumar S, Yadav I, Ray D, Abbas S, Saha D, Aswal VK, Kohlbrecher J. Evolution of Interactions in the Protein Solution As Induced by Mono and Multivalent Ions. Biomacromolecules 2019; 20:2123-2134. [PMID: 30908911 DOI: 10.1021/acs.biomac.9b00374] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The evolution of interactions in the bovine serum albumin (BSA) protein solution on addition of mono and multivalent (di, tri and tetra) counterions has been studied using small-angle neutron scattering (SANS), dynamic light scattering (DLS) and ζ-potential measurements. It is found that in the presence of mono and divalent counterions, protein behavior can be well explained by DLVO theory, combining the contributions of screened Coulomb repulsion with the van der Waals attraction. The addition of mono or divalent salts in protein solution reduces the repulsive barrier and hence the overall interaction becomes attractive, but the system remains in one-phase for the entire concentration range of the salts, added in the system. However, contrary to DLVO theory, the protein solution undergoes a reentrant phase transition from one-phase to a two-phase system and then back to the one-phase system in the presence of tri and tetravalent counterions. The results show that tri and tetravalent (unlike mono and divalent) counterions induce short-range attraction between the protein molecules, leading to the transformation from one-phase to two-phase system. The two-phase is characterized by the fractal structure of protein aggregates. The excess condensation of these higher-valent counterions in the double layer around the BSA causes the reversal of charge of the protein molecules resulting into reentrant of the one-phase, at higher salt concentrations. The complete phase behavior with mono and multivalent ions has been explained in terms of the interplay of electrostatic repulsion and ion-induced short-range attraction between the protein molecules.
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Affiliation(s)
- Sugam Kumar
- Solid State Physics Division , Bhabha Atomic Research Centre , Mumbai 400 085 , India.,Division of Materials and Environmental Chemistry , Stockholm University , Frescativagen 8 , Stockholm 10691 , Sweden
| | - Indresh Yadav
- Solid State Physics Division , Bhabha Atomic Research Centre , Mumbai 400 085 , India
| | - Debes Ray
- Solid State Physics Division , Bhabha Atomic Research Centre , Mumbai 400 085 , India
| | - Sohrab Abbas
- Solid State Physics Division , Bhabha Atomic Research Centre , Mumbai 400 085 , India
| | - Debasish Saha
- Solid State Physics Division , Bhabha Atomic Research Centre , Mumbai 400 085 , India.,Department of Science and Technology , New Delhi 110016 , India
| | - Vinod K Aswal
- Solid State Physics Division , Bhabha Atomic Research Centre , Mumbai 400 085 , India.,Homi Bhabha National Institute , Mumbai 400 094 , India
| | - Joachim Kohlbrecher
- Laboratory for Neutron Scattering, Paul Scherrer Institut , CH-5232 PSI Villigen , Switzerland
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106
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In-line rheological and microstroctural characterization of high moisture content protein vegetable mixtures in single screw extrusion. J FOOD ENG 2019. [DOI: 10.1016/j.jfoodeng.2018.10.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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107
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Iyer LK, Phanse R, Xu M, Lan W, Krause ME, Bolgar M, Hart S. Pulse Proteolysis: An Orthogonal Tool for Protein Formulation Screening. J Pharm Sci 2019; 108:842-850. [DOI: 10.1016/j.xphs.2018.09.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 08/24/2018] [Accepted: 09/17/2018] [Indexed: 12/24/2022]
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108
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Hung JJ, Dear BJ, Karouta CA, Chowdhury AA, Godfrin PD, Bollinger JA, Nieto MP, Wilks LR, Shay TY, Ramachandran K, Sharma A, Cheung JK, Truskett TM, Johnston KP. Protein-Protein Interactions of Highly Concentrated Monoclonal Antibody Solutions via Static Light Scattering and Influence on the Viscosity. J Phys Chem B 2019; 123:739-755. [PMID: 30614707 DOI: 10.1021/acs.jpcb.8b09527] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The ability to design and formulate mAbs to minimize attractive interactions at high concentrations is important for protein processing, stability, and administration, particularly in subcutaneous delivery, where high viscosities are often challenging. The strength of protein-protein interactions (PPIs) of an IgG1 and IgG4 monoclonal antibody (mAb) from low to high concentration was determined by static light scattering (SLS) and used to understand viscosity data. The PPI were tuned using NaCl and five organic ionic co-solutes. The PPI strength was quantified by the normalized structure factor S(0)/ S(0)HS and Kirkwood-Buff integral G22/ G22,HS (HS = hard sphere) determined from the SLS data and also by fits with (1) a spherical Yukawa potential and (2) an interacting hard sphere (IHS) model, which describes attraction in terms of hypothetical oligomers. The IHS model was better able to capture the scattering behavior of the more strongly interacting systems (mAb and/or co-solute) than the spherical Yukawa potential. For each descriptor of PPI, linear correlations were obtained between the viscosity at high concentration (200 mg/mL) and the interaction strengths evaluated both at low (20 mg/mL) and high concentrations (200 mg/mL) for a given mAb. However, the only parameter that provided a correlation across both mAbs was the oligomer mass ratio ( moligomer/ mmonomer+dimer) from the IHS model, indicating the importance of self-association (in addition to the direct influence of the attractive PPI) on the viscosity.
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Affiliation(s)
- Jessica J Hung
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Barton J Dear
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Carl A Karouta
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Amjad A Chowdhury
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - P Douglas Godfrin
- Department of Chemical Engineering , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States
| | - Jonathan A Bollinger
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States.,Center for Integrated Nanotechnologies , Sandia National Laboratories , Albuquerque , New Mexico 87185 , United States
| | - Maria P Nieto
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Logan R Wilks
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Tony Y Shay
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Kishan Ramachandran
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Ayush Sharma
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Jason K Cheung
- Pharmaceutical Sciences , MRL, Merck & Co., Inc. , Kenilworth , New Jersey 07033 , United States
| | - Thomas M Truskett
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
| | - Keith P Johnston
- McKetta Department of Chemical Engineering , The University of Texas at Austin , Austin , Texas 78712 , United States
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109
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Wells C, Brennan SE, Keon M, Saksena NK. Prionoid Proteins in the Pathogenesis of Neurodegenerative Diseases. Front Mol Neurosci 2019; 12:271. [PMID: 31780895 PMCID: PMC6861308 DOI: 10.3389/fnmol.2019.00271] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 10/23/2019] [Indexed: 12/13/2022] Open
Abstract
There is a growing body of evidence that prionoid protein behaviors are a core element of neurodegenerative diseases (NDs) that afflict humans. Common elements in pathogenesis, pathological effects and protein-level behaviors exist between Alzheimer's Disease (AD), Parkinson's Disease (PD), Huntington's Disease (HD) and Amyotrophic Lateral Sclerosis (ALS). These extend beyond the affected neurons to glial cells and processes. This results in a complicated system of disease progression, which often takes advantage of protective processes to promote the propagation of pathological protein aggregates. This review article provides a current snapshot of knowledge on these proteins and their intrinsic role in the pathogenesis and disease progression seen across NDs.
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110
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Green synthesis of silver nanoparticles, its characterization, and chaperone-like activity in the aggregation inhibition of α-chymotrypsinogen A. Int J Biol Macromol 2018; 120:2381-2389. [DOI: 10.1016/j.ijbiomac.2018.09.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 08/25/2018] [Accepted: 09/03/2018] [Indexed: 02/01/2023]
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111
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Commentary: New perspectives on protein aggregation during Biopharmaceutical development. Int J Pharm 2018; 552:1-6. [DOI: 10.1016/j.ijpharm.2018.09.049] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 09/18/2018] [Accepted: 09/19/2018] [Indexed: 11/18/2022]
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112
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Johnson L, Faidra Angelerou MG, Surikutchi BT, Allen S, Zelzer M, Marlow M. Low Molecular Weight Nucleoside Gelators: A Platform for Protein Aggregation Inhibition. Mol Pharm 2018; 16:462-467. [DOI: 10.1021/acs.molpharmaceut.8b01013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Litty Johnson
- School of Pharmacy, University of Nottingham, University Park
Campus, Nottingham NG72RD, United Kingdom
| | | | - Bhanu Teja Surikutchi
- School of Pharmacy, University of Nottingham, University Park
Campus, Nottingham NG72RD, United Kingdom
| | - Stephanie Allen
- School of Pharmacy, University of Nottingham, University Park
Campus, Nottingham NG72RD, United Kingdom
| | - Mischa Zelzer
- School of Pharmacy, University of Nottingham, University Park
Campus, Nottingham NG72RD, United Kingdom
| | - Maria Marlow
- School of Pharmacy, University of Nottingham, University Park
Campus, Nottingham NG72RD, United Kingdom
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113
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Kastelic M, Dill KA, Kalyuzhnyi YV, Vlachy V. Controlling the viscosities of antibody solutions through control of their binding sites. J Mol Liq 2018; 270:234-242. [PMID: 30906093 PMCID: PMC6425977 DOI: 10.1016/j.molliq.2017.11.106] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
For biotechnological drugs, it is desirable to formulate antibody solutions with low viscosities. We go beyond previous colloid theories in treating protein-protein self-association of molecules that are antibody-shaped and flexible and have spatially specific binding sites. We consider interactions either through fragment antigen (Fab-Fab) or fragment crystalizable (Fab-Fc) binding. Wertheim's theory is adapted to compute the cluster-size distributions, viscosities, second virial coefficients, and Huggins coefficients, as functions of antibody concentration. We find that the aggregation properties of concentrated solutions can be anticipated from simpler-to-measure dilute solutions. A principal finding is that aggregation is controllable, in principle, through modifying the antibody itself, and not just the solution it is dissolved in. In particular: (i) monospecific antibodies having two identical Fab arms can form linear chains with intermediate viscosities. (ii) Bispecific antibodies having different Fab arms can, in some cases, only dimerize, having low viscosities. (iii) Arm-to-Fc binding allows for three binding partners, leading to networks and high viscosities.
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Affiliation(s)
- Miha Kastelic
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Ken A. Dill
- Laufer Center for Physical and Quantitative Biology and Departments of Physics and Chemistry, Stony Brook University, Stony Brook, NY 11794
| | - Yura V. Kalyuzhnyi
- Institute for Condensed Matter Physics, Svientsitskii 1, 79011 Lviv, Ukraine
| | - Vojko Vlachy
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
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114
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Hemamalini R, Khare SK. Halophilic lipase does forms catalytically active aggregates: Evidence from Marinobacter sp. EMB5 lipase (LipEMB5). Int J Biol Macromol 2018; 119:172-179. [DOI: 10.1016/j.ijbiomac.2018.07.097] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 07/12/2018] [Accepted: 07/14/2018] [Indexed: 10/28/2022]
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115
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Ho YT, Azman N‘A, Loh FWY, Ong GKT, Engudar G, Kriz SA, Kah JCY. Protein Corona Formed from Different Blood Plasma Proteins Affects the Colloidal Stability of Nanoparticles Differently. Bioconjug Chem 2018; 29:3923-3934. [DOI: 10.1021/acs.bioconjchem.8b00743] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yan Teck Ho
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Centre for Life Sciences (CeLS), 28 Medical Drive, #05-01, Singapore 117456
| | - Nurul ‘Ain Azman
- Department of Biomedical Engineering, National University of Singapore, 4 Engineering Drive 3, Engineering Block 4, #04-08, Singapore 117583
| | - Fion Wen Yee Loh
- Department of Biomedical Engineering, National University of Singapore, 4 Engineering Drive 3, Engineering Block 4, #04-08, Singapore 117583
| | - Gabriella Kai Teng Ong
- Department of Biomedical Engineering, National University of Singapore, 4 Engineering Drive 3, Engineering Block 4, #04-08, Singapore 117583
| | - Gokce Engudar
- Department of Biomedical Engineering, National University of Singapore, 4 Engineering Drive 3, Engineering Block 4, #04-08, Singapore 117583
| | - Seth Allan Kriz
- Department of Chemical Engineering, Michigan Technological University, Building 203, 1400 Townsend Drive, Houghton, Michigan 49931, United States
| | - James Chen Yong Kah
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Centre for Life Sciences (CeLS), 28 Medical Drive, #05-01, Singapore 117456
- Department of Biomedical Engineering, National University of Singapore, 4 Engineering Drive 3, Engineering Block 4, #04-08, Singapore 117583
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116
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Buffer exchange path influences the stability and viscosity upon storage of a high concentration protein. Eur J Pharm Biopharm 2018; 131:60-69. [DOI: 10.1016/j.ejpb.2018.07.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 07/16/2018] [Accepted: 07/17/2018] [Indexed: 12/17/2022]
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117
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Wang W, Roberts CJ. Protein aggregation – Mechanisms, detection, and control. Int J Pharm 2018; 550:251-268. [DOI: 10.1016/j.ijpharm.2018.08.043] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 08/18/2018] [Accepted: 08/20/2018] [Indexed: 12/19/2022]
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118
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Aggressive conditions during primary drying as a contemporary approach to optimise freeze-drying cycles of biopharmaceuticals. Eur J Pharm Sci 2018; 122:292-302. [DOI: 10.1016/j.ejps.2018.07.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 05/10/2018] [Accepted: 07/04/2018] [Indexed: 10/28/2022]
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119
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Woldeyes MA, Josephson LL, Leiske DL, Galush WJ, Roberts CJ, Furst EM. Viscosities and Protein Interactions of Bispecific Antibodies and Their Monospecific Mixtures. Mol Pharm 2018; 15:4745-4755. [DOI: 10.1021/acs.molpharmaceut.8b00706] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Mahlet A. Woldeyes
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Lilian L. Josephson
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Danielle L. Leiske
- Early Stage Pharmaceutical Development, Genentech Inc., A Member of the Roche Group, South San Francisco, California 94080, United States
| | - William J. Galush
- Early Stage Pharmaceutical Development, Genentech Inc., A Member of the Roche Group, South San Francisco, California 94080, United States
| | - Christopher J. Roberts
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Eric M. Furst
- Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
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120
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Acid-induced gelation of whey protein aggregates: Kinetics, gel structure and rheological properties. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2018.02.043] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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121
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Zhang Z, Orski S, Woys AM, Yuan G, Zarraga IE, Wagner NJ, Liu Y. Adsorption of polysorbate 20 and proteins on hydrophobic polystyrene surfaces studied by neutron reflectometry. Colloids Surf B Biointerfaces 2018; 168:94-102. [DOI: 10.1016/j.colsurfb.2018.04.036] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 03/28/2018] [Accepted: 04/16/2018] [Indexed: 11/28/2022]
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122
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Alavi F, Momen S, Emam-Djomeh Z, Salami M, Moosavi-Movahedi AA. Radical cross-linked whey protein aggregates as building blocks of non-heated cold-set gels. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2018.03.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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123
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Inthavong W, Nicolai T, Chassenieux C. Polymer Probe Diffusion in Globular Protein Gels and Aggregate Suspensions. J Phys Chem B 2018; 122:8075-8081. [DOI: 10.1021/acs.jpcb.8b04963] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Walailuk Inthavong
- Le Mans Université, IMMM UMR-CNRS 6283, Polymères, Colloïdes et Interfaces, 72085 Le Mans Cedex 9, France
| | - Taco Nicolai
- Le Mans Université, IMMM UMR-CNRS 6283, Polymères, Colloïdes et Interfaces, 72085 Le Mans Cedex 9, France
| | - Christophe Chassenieux
- Le Mans Université, IMMM UMR-CNRS 6283, Polymères, Colloïdes et Interfaces, 72085 Le Mans Cedex 9, France
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124
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Aleandri S, Vaccaro A, Armenta R, Völker AC, Kuentz M. Dynamic Light Scattering of Biopharmaceutics-Can Analytical Performance Be Enhanced by Laser Power? Pharmaceutics 2018; 10:pharmaceutics10030094. [PMID: 30018274 PMCID: PMC6161136 DOI: 10.3390/pharmaceutics10030094] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 07/10/2018] [Accepted: 07/13/2018] [Indexed: 11/30/2022] Open
Abstract
Background: Dynamic light scattering (DLS) is an important tool to characterize colloidal systems and adequate sizing is particularly critical in the field of protein formulations. Among the different factors that can influence the measurement result, the effect of laser power has so far not been studied thoroughly. Methods: The sensitivity of a DLS instrument was first considered on a theoretical level, followed by experiments using DLS instruments, equipped with two different lasers of (nominal) 45 mW, and 100 mW, respectively. This work analyzes dilute colloidal dispersions of lysozyme as model protein. Results: Theoretical findings agreed with experiments in that only enhanced laser power of 100 mW laser allowed measuring a 0.1 mg/mL protein dispersion in a reliable manner. Results confirmed the usefulness of the presented theoretical considerations in improving a general understanding of the limiting factors in DLS. Conclusions: Laser power is a critical aspect regarding adequate colloidal analysis by DLS. Practical guidance is provided to help scientists specifically with measuring dilute samples to choose both an optimal instrument configuration as well as a robust experimental procedure.
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Affiliation(s)
- Simone Aleandri
- Institute of Pharma Technology, University of Applied Sciences and Arts Northwestern Switzerland, Gründenstrasse 40, 4132 Muttenz, Switzerland.
| | - Andrea Vaccaro
- LS Instruments, Passage du Cardinal 1, 1700 Fribourg, Switzerland.
| | - Ricardo Armenta
- LS Instruments, Passage du Cardinal 1, 1700 Fribourg, Switzerland.
| | | | - Martin Kuentz
- Institute of Pharma Technology, University of Applied Sciences and Arts Northwestern Switzerland, Gründenstrasse 40, 4132 Muttenz, Switzerland.
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125
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Ettah I, Ashton L. Engaging with Raman Spectroscopy to Investigate Antibody Aggregation. Antibodies (Basel) 2018; 7:E24. [PMID: 31544876 PMCID: PMC6640673 DOI: 10.3390/antib7030024] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 07/04/2018] [Accepted: 07/04/2018] [Indexed: 11/24/2022] Open
Abstract
In the last decade, a number of studies have successfully demonstrated Raman spectroscopy as an emerging analytical technique for monitoring antibody aggregation, especially in the context of drug development and formulation. Raman spectroscopy is a robust method for investigating protein conformational changes, even in highly concentrated antibody solutions. It is non-destructive, reproducible and can probe samples in an aqueous environment. In this review, we focus on the application and challenges associated with using Raman spectroscopy as a tool to study antibody aggregates.
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Affiliation(s)
- Ilokugbe Ettah
- Department of Chemistry, Lancaster University, Lancaster, Lancashire LA1 4YB, UK.
| | - Lorna Ashton
- Department of Chemistry, Lancaster University, Lancaster, Lancashire LA1 4YB, UK.
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126
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Kharlamova A, Nicolai T, Chassenieux C. Calcium-induced gelation of whey protein aggregates: Kinetics, structure and rheological properties. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2017.11.049] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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127
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Kastelic M, Vlachy V. Theory for the Liquid-Liquid Phase Separation in Aqueous Antibody Solutions. J Phys Chem B 2018; 122:5400-5408. [PMID: 29338267 PMCID: PMC5980754 DOI: 10.1021/acs.jpcb.7b11458] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This study presents the theory for liquid-liquid phase separation for systems of molecules modeling monoclonal antibodies. Individual molecule is depicted as an assembly of seven hard spheres, organized to mimic the Y-shaped antibody. We consider the antibody-antibody interactions either through Fab, Fab' (two Fab fragments may be different), or Fc domain. Interaction between these three domains of the molecule (hereafter denoted as A, B, and C, respectively) is modeled by a short-range square-well attraction. To obtain numerical results for the model under study, we adapt Wertheim's thermodynamic perturbation theory. We use this model to calculate the liquid-liquid phase separation curve and the second virial coefficient B2. Various interaction scenarios are examined to see how the strength of the site-site interactions and their range shape the coexistence curve. In the asymmetric case, where an attraction between two sites is favored and the interaction energies for the other sites kept constant, critical temperature first increases and than strongly decreases. Some more microscopic information, for example, the probability for the particular two sites to be connected, has been calculated. Analysis of the experimental liquid-liquid phase diagrams, obtained from literature, is presented. In addition, we calculate the second virial coefficient under conditions leading to the liquid-liquid phase separation and present this quantity on the graph B2 versus protein concentration.
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Affiliation(s)
| | - Vojko Vlachy
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
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128
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Kopp MRG, Villois A, Capasso Palmiero U, Arosio P. Microfluidic Diffusion Analysis of the Size Distribution and Microrheological Properties of Antibody Solutions at High Concentrations. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b00666] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Marie R. G. Kopp
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology, Zurich, 8093, Switzerland
| | - Alessia Villois
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology, Zurich, 8093, Switzerland
| | - Umberto Capasso Palmiero
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology, Zurich, 8093, Switzerland
| | - Paolo Arosio
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, Swiss Federal Institute of Technology, Zurich, 8093, Switzerland
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129
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Koepf E, Richert M, Braunschweig B, Schroeder R, Brezesinski G, Friess W. Impact of formulation pH on physicochemical protein characteristics at the liquid-air interface. Int J Pharm 2018; 541:234-245. [DOI: 10.1016/j.ijpharm.2018.02.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 02/05/2018] [Accepted: 02/06/2018] [Indexed: 12/31/2022]
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130
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Toth RT, Pace SE, Mills BJ, Joshi SB, Esfandiary R, Middaugh CR, Weis DD, Volkin DB. Evaluation of Hydrogen Exchange Mass Spectrometry as a Stability-Indicating Method for Formulation Excipient Screening for an IgG4 Monoclonal Antibody. J Pharm Sci 2018; 107:1009-1019. [DOI: 10.1016/j.xphs.2017.12.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 10/25/2017] [Accepted: 12/06/2017] [Indexed: 12/23/2022]
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131
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Submicron Protein Particle Characterization using Resistive Pulse Sensing and Conventional Light Scattering Based Approaches. Pharm Res 2018; 35:58. [DOI: 10.1007/s11095-017-2306-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 11/07/2017] [Indexed: 10/18/2022]
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132
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Notorious but not understood: How liquid-air interfacial stress triggers protein aggregation. Int J Pharm 2018; 537:202-212. [DOI: 10.1016/j.ijpharm.2017.12.043] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 12/21/2017] [Accepted: 12/22/2017] [Indexed: 11/23/2022]
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133
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Chen G, Miao M, Jiang B, Jin J, Campanella OH, Feng B. Effects of high hydrostatic pressure on Rhizopus chinensis lipase: II. Intermediate states during unfolding. INNOV FOOD SCI EMERG 2018. [DOI: 10.1016/j.ifset.2017.08.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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134
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Shirke AN, White C, Englaender JA, Zwarycz A, Butterfoss GL, Linhardt RJ, Gross RA. Stabilizing Leaf and Branch Compost Cutinase (LCC) with Glycosylation: Mechanism and Effect on PET Hydrolysis. Biochemistry 2018; 57:1190-1200. [PMID: 29328676 DOI: 10.1021/acs.biochem.7b01189] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cutinases are polyester hydrolases that show a remarkable capability to hydrolyze polyethylene terephthalate (PET) to its monomeric units. This revelation has stimulated research aimed at developing sustainable and green cutinase-catalyzed PET recycling methods. Leaf and branch compost cutinase (LCC) is particularly suited toward these ends given its relatively high PET hydrolysis activity and thermostability. Any practical enzymatic PET recycling application will require that the protein have kinetic stability at or above the PET glass transition temperature (Tg, i.e., 70 °C). This paper elucidates the thermodynamics and kinetics of LCC conformational and colloidal stability. Aggregation emerged as a major contributor that reduces LCC kinetic stability. In its native state, LCC is prone to aggregation owing to electrostatic interactions. Further, with increasing temperature, perturbation of LCC's tertiary structure and corresponding exposure of hydrophobic domains leads to rapid aggregation. Glycosylation was employed in an attempt to impede LCC aggregation. Owing to the presence of three putative N-glycosylation sites, expression of native LCC in Pichia pastoris resulted in the production of glycosylated LCC (LCC-G). LCC-G showed improved stability to native state aggregation while increasing the temperature for thermal induced aggregation by 10 °C. Furthermore, stabilization against thermal aggregation resulted in improved catalytic PET hydrolysis both at its optimum temperature and concentration.
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Affiliation(s)
- Abhijit N Shirke
- Department of Chemistry and Chemiscal Biology, Rensselaer Polytechnic Institute , Troy, New York 12180, United States.,Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute , Troy, New York 12180, United States
| | - Christine White
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute , Troy, New York 12180, United States
| | - Jacob A Englaender
- Department of Biology, Rensselaer Polytechnic Institute , Troy, New York 12180, United States
| | - Allison Zwarycz
- Department of Biology, Rensselaer Polytechnic Institute , Troy, New York 12180, United States
| | - Glenn L Butterfoss
- Center for Genomics and Systems Biology, New York University Abu Dhabi , Abu Dhabi, UAE
| | - Robert J Linhardt
- Department of Chemistry and Chemiscal Biology, Rensselaer Polytechnic Institute , Troy, New York 12180, United States.,Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute , Troy, New York 12180, United States.,Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute , Troy, New York 12180, United States.,Department of Biology, Rensselaer Polytechnic Institute , Troy, New York 12180, United States
| | - Richard A Gross
- Department of Chemistry and Chemiscal Biology, Rensselaer Polytechnic Institute , Troy, New York 12180, United States.,Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute , Troy, New York 12180, United States.,Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute , Troy, New York 12180, United States
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135
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Novo M, Freire S, Al-Soufi W. Critical aggregation concentration for the formation of early Amyloid-β (1-42) oligomers. Sci Rep 2018; 8:1783. [PMID: 29379133 PMCID: PMC5789034 DOI: 10.1038/s41598-018-19961-3] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 01/11/2018] [Indexed: 12/31/2022] Open
Abstract
The oligomers formed during the early steps of amyloid aggregation are thought to be responsible for the neurotoxic damage associated with Alzheimer’s disease. It is therefore of great interest to characterize this early aggregation process and the aggregates formed, especially for the most significant peptide in amyloid fibrils, Amyloid-β(1–42) (Aβ42). For this purpose, we directly monitored the changes in size and concentration of initially monomeric Aβ42 samples, using Fluorescence Correlation Spectroscopy. We found that Aβ42 undergoes aggregation only when the amount of amyloid monomers exceeds the critical aggregation concentration (cac) of about 90 nM. This spontaneous, cooperative process resembles surfactants self-assembly and yields stable micelle-like oligomers whose size (≈50 monomers, Rh ≈ 7–11 nm) and elongated shape are independent of incubation time and peptide concentration. These findings reveal essential features of in vitro amyloid aggregation, which may illuminate the complex in vivo process.
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Affiliation(s)
- Mercedes Novo
- Department of Physical Chemistry, Faculty of Science, University of Santiago de Compostela, E-27002, Lugo, Spain.
| | - Sonia Freire
- Department of Physical Chemistry, Faculty of Science, University of Santiago de Compostela, E-27002, Lugo, Spain
| | - Wajih Al-Soufi
- Department of Physical Chemistry, Faculty of Science, University of Santiago de Compostela, E-27002, Lugo, Spain
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136
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Kannan A, Shieh IC, Leiske DL, Fuller GG. Monoclonal Antibody Interfaces: Dilatation Mechanics and Bubble Coalescence. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:630-638. [PMID: 29251942 DOI: 10.1021/acs.langmuir.7b03790] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Monoclonal antibodies (mAbs) are proteins that uniquely identify targets within the body, making them well-suited for therapeutic applications. However, these amphiphilic molecules readily adsorb onto air-solution interfaces where they tend to aggregate. We investigated two mAbs with different propensities to aggregate at air-solution interfaces. The understanding of the interfacial rheological behavior of the two mAbs is crucial in determining their aggregation tendency. In this work, we performed interfacial stress relaxation studies under compressive step strain using a custom-built dilatational rheometer. The dilatational relaxation modulus was determined for these viscoelastic interfaces. The initial value and the equilibrated value of relaxation modulus were larger in magnitude for the mAb with a higher tendency to aggregate in response to interfacial stress. We also performed single-bubble coalescence experiments using a custom-built dynamic fluid-film interferometer (DFI). The bubble coalescence times also correlated to the mAbs aggregation propensity and interfacial viscoelasticity. To study the influence of surfactants in mAb formulations, polyethylene glycol (PEG) was chosen as a model surfactant. In the mixed mAb/PEG system, we observed that the higher aggregating mAb coadsorbed with PEG and formed domains at the interface. In contrast, for the other mAb, PEG entirely covered the interface at the concentrations studied. We studied the mobility of the interfaces, which was manifested by the presence or the lack of Marangoni stresses. These dynamics were strongly correlated with the interfacial viscoelasticity of the mAbs. The influence of competitive destabilization in affecting the bubble coalescence times for the mixed mAb/PEG systems was also studied.
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Affiliation(s)
- Aadithya Kannan
- Department of Chemical Engineering, Stanford University , Stanford, California 94305, United States
- Late Stage Pharmaceutical Development and §Early Stage Pharmaceutical Development, Genentech , South San Francisco, California 94080, United States
| | - Ian C Shieh
- Department of Chemical Engineering, Stanford University , Stanford, California 94305, United States
- Late Stage Pharmaceutical Development and §Early Stage Pharmaceutical Development, Genentech , South San Francisco, California 94080, United States
| | - Danielle L Leiske
- Department of Chemical Engineering, Stanford University , Stanford, California 94305, United States
- Late Stage Pharmaceutical Development and §Early Stage Pharmaceutical Development, Genentech , South San Francisco, California 94080, United States
| | - Gerald G Fuller
- Department of Chemical Engineering, Stanford University , Stanford, California 94305, United States
- Late Stage Pharmaceutical Development and §Early Stage Pharmaceutical Development, Genentech , South San Francisco, California 94080, United States
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137
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Grigolato F, Colombo C, Ferrari R, Rezabkova L, Arosio P. Mechanistic Origin of the Combined Effect of Surfaces and Mechanical Agitation on Amyloid Formation. ACS NANO 2017; 11:11358-11367. [PMID: 29045787 DOI: 10.1021/acsnano.7b05895] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Interactions between proteins and surfaces in combination with hydrodynamic flow and mechanical agitation can often trigger the conversion of soluble peptides and proteins into aggregates, including amyloid fibrils. Despite the extensive literature on the empirical effects of surfaces and mechanical forces on the formation of amyloids, the molecular details of the mechanisms underlying this behavior are still elusive. This limitation is, in part, due to the complex reaction network underlying the formation of amyloids, where several microscopic reactions of nucleation and growth can occur both at the interfaces and in bulk. In this work, we design a high-throughput assay based on nanoparticles and we apply a chemical kinetic platform to analyze the mechanisms underlying the effect of surfaces and mechanical forces on the formation of amyloid fibrils from human insulin under physiological conditions. By considering a variety of polymeric nanoparticles with different surface properties we explore a broad range of repulsive and attractive interactions between insulin and surfaces. Our analysis shows that hydrophobic interfaces induce the formation of amyloid fibrils by specifically promoting the primary heterogeneous nucleation rate. In contrast, mechanical forces accelerate the formation of amyloid fibrils by favoring mass transport and further amplify the number of fibrils by promoting fragmentation events. Thus, surfaces and agitation have a combined effect on the kinetics of protein aggregation observed at the macroscopic level but, individually, they each affect distinct microscopic reaction steps: the presence of interfaces generates primary nucleation events of fibril formation, which is then amplified by mechanical forces. These results suggest that the inhibition of surface-induced heterogeneous nucleation should be considered a primary target to suppress aggregation and explain why in many systems the simultaneous presence of surfaces and hydrodynamic flow enhances protein aggregation.
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Affiliation(s)
- Fulvio Grigolato
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology Zurich , Vladimir Prelog Weg 1, 8093, Zurich, Switzerland
| | - Claudio Colombo
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology Zurich , Vladimir Prelog Weg 1, 8093, Zurich, Switzerland
| | - Raffaele Ferrari
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology Zurich , Vladimir Prelog Weg 1, 8093, Zurich, Switzerland
| | - Lenka Rezabkova
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology Zurich , Vladimir Prelog Weg 1, 8093, Zurich, Switzerland
| | - Paolo Arosio
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology Zurich , Vladimir Prelog Weg 1, 8093, Zurich, Switzerland
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138
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Clayton KN, Lee D, Wereley ST, Kinzer-Ursem TL. Measuring biotherapeutic viscosity and degradation on-chip with particle diffusometry. LAB ON A CHIP 2017; 17:4148-4159. [PMID: 29115357 DOI: 10.1039/c7lc00507e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In the absence of efficient ways to test drug stability and efficacy, pharmaceuticals that have been stored outside of set temperature conditions are destroyed, often at great cost. This is especially problematic for biotherapeutics, which are highly sensitive to temperature fluctuations. Current platforms for assessing the stability of protein-based biotherapeutics in high throughput and in low volumes are unavailable outside of research and development laboratories and are not efficient for use in production, quality control, distribution, or clinical settings. In these alternative environments, microanalysis platforms could provide significant advantages for the characterization of biotherapeutic degradation. Here we present particle diffusometry (PD), a new technique to study degradation of biotherapeutic solutions. PD uses a simple microfluidic chip and microscope setup to calculate the Brownian motion of particles in a quiescent solution using a variation of particle image velocimetry (PIV) fundamentals. We show that PD can be used to measure the viscosity of protein solutions to discriminate native protein from degraded samples as well as to determine the change in viscosity as a function of therapeutic concentration. PD viscosity analysis is applied to two particularly important biotherapeutic preparations: insulin, a commonly used protein for diabetic patients, and monoclonal antibodies which are an emerging class of biotherapeutics used to treat a variety of diseases such as autoimmune disorders and cancer. PD-based characterization of solution viscosity is a new tool for biotherapeutic analysis, and owing to its easy setup could readily be implemented at key points of the pharmaceutical delivery chain and in clinical settings.
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Affiliation(s)
- K N Clayton
- School of Mechanical Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, 47907, USA
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139
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Gómez-Arellano A, Jiménez-Islas H, Castrejón-González EO, Medina-Torres L, Dendooven L, Escamilla-Silva EM. Rheological behaviour of sesame (Sesamum indicum L.) protein dispersions. FOOD AND BIOPRODUCTS PROCESSING 2017. [DOI: 10.1016/j.fbp.2017.09.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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140
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Kabir MG, Islam MM, Kuroda Y. Reversible association of proteins into sub-visible amorphous aggregates using short solubility controlling peptide tags. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2017; 1866:366-372. [PMID: 28951312 DOI: 10.1016/j.bbapap.2017.09.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 09/01/2017] [Accepted: 09/21/2017] [Indexed: 01/04/2023]
Abstract
Careful analysis of sub-visible amorphous aggregates, where proteins associate non-covalently in either native or denatured states without forming a specific quaternary structure, may shed insight into the mechanisms of protein aggregation and solubility. Here we report a biophysical and biochemical analysis of our model protein, a bovine pancreatic trypsin inhibitor variant (BPTI-19A), whose oligomerization were controlled by attaching solubility controlling peptide tags (SCP tags) to its C terminus, which are short peptides composed of a single type of amino acid that modulate protein solubility. The dynamic light scattering and static light scattering at 25°C indicated that 11 out of 15 SCP tags merely affected the hydrodynamic radius and light scattering intensity of our reference variants BPTI-19A and BPTI-C2G. On the other hand, hydrophobic SCP tags composed of 5 Ile (C5I) or 5 Leu (C5L) were associated into sub-visible aggregates. Circular dichroism indicated that all tagged BPTI variants had the same secondary structure contents as the reference BPTI-19A at 25°C, suggesting that BPTI-C5I and C5L kept their native structure upon association. Furthermore, the thermal denaturation of all of the BPTI variants was fully reversible and typical of natively folded small globular proteins, as monitored by CD at 222 nm. However, the thermal stability of BPTI-19A tagged with hydrophobic residues decreased with increasing protein concentration and tag's hydrophobicity, and BPTI-C5I and C5L were partially denatured at 37°C. Biochemical stability assessed by limited proteolysis with pepsin correlated with the extent of the variants' aggregation, and the large sub-visible aggregates formed by BPTI-C5I and C5L significantly increased their resistance to pepsin proteolysis. Altogether, these observations indicated that hydrophobic SCP tags led to the reversible association of native-like proteins into sub-visible soluble amorphous aggregates resistant to pepsin digestion.
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Affiliation(s)
- Md Golam Kabir
- Department of Biotechnology and Life Sciences, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei-shi, Tokyo 184-8588, Japan
| | - Mohammad Monirul Islam
- Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong 4331, Bangladesh
| | - Yutaka Kuroda
- Department of Biotechnology and Life Sciences, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei-shi, Tokyo 184-8588, Japan.
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141
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Protective role of antioxidant compounds against peroxynitrite-mediated modification of R54C mutant αA-crystallin. Arch Biochem Biophys 2017; 629:43-53. [PMID: 28720375 DOI: 10.1016/j.abb.2017.07.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 07/11/2017] [Accepted: 07/14/2017] [Indexed: 11/22/2022]
Abstract
As a highly potent reactive oxygen and nitrogen species, peroxynitrite (PON) has endogenous production in the eye ball and contributes to a variety of ocular disorders. In the current study the structural characteristics, chaperone-like activity and conformational stability of R54C mutant αA-crystallin (αA-Cry) were studied upon modification with PON and in the presence of three antioxidant compounds such as ascorbic acid (ASA), glutathione (GSH) and N-acetylcysteine (NAC) using gel electrophoresis and different spectroscopy methods. The results of both fluorescence analysis and gel electrophoresis suggested that PON modification leads to dityrosine-mediated intermolecular cross-linking of this cataractogenic mutant protein. Also, the propensity of R54C mutant αA-Cry for disulfide cross-linking was increased upon PON modification. In addition, the PON-modified protein indicated structural alteration, reduced chemical stability and different pattern of proteolysis. Upon modification with PON, mutant αA-Cry displayed a significant increase in the chaperone-like activity against aggregation of γ-crystallin and insulin. In addition, different antioxidant compounds indicated a prominent role in neutralizing the PON damaging effects on structural integrity and stability of this protein. The results of this study may highlight the importance of antioxidant-rich foods or potent antioxidant supplements in protection of lens crystallins against PON-mediated structural damages and cataract development.
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142
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Kumar M, Hong Y, Thorn DC, Ecroyd H, Carver JA. Monitoring Early-Stage Protein Aggregation by an Aggregation-Induced Emission Fluorogen. Anal Chem 2017; 89:9322-9329. [DOI: 10.1021/acs.analchem.7b02090] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Manjeet Kumar
- Research
School of Chemistry, The Australian National University, Acton, ACT 2601 Australia
| | - Yuning Hong
- Department
of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC 3086 Australia
- School of
Chemistry, The University of Melbourne, Parkville, VIC 3010 Australia
| | - David C. Thorn
- Research
School of Chemistry, The Australian National University, Acton, ACT 2601 Australia
| | - Heath Ecroyd
- School
of Biological Sciences and the Illawarra Health and Medical Research
Institute, University of Wollongong, Wollongong NSW 2522 Australia
| | - John A. Carver
- Research
School of Chemistry, The Australian National University, Acton, ACT 2601 Australia
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143
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Jain T, Boland T, Lilov A, Burnina I, Brown M, Xu Y, Vásquez M. Prediction of delayed retention of antibodies in hydrophobic interaction chromatography from sequence using machine learning. Bioinformatics 2017; 33:3758-3766. [DOI: 10.1093/bioinformatics/btx519] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Accepted: 08/11/2017] [Indexed: 12/16/2022] Open
Affiliation(s)
- Tushar Jain
- Computational Biology, Adimab, Palo Alto, CA, USA
| | - Todd Boland
- Computational Biology, Adimab, Palo Alto, CA, USA
| | | | | | | | - Yingda Xu
- Protein Analytics, Adimab, Lebanon, NH, USA
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144
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Wolfrum S, Weichsel U, Siedler M, Weber C, Peukert W. Monitoring of Flow-Induced Aggregation and Conformational Change of Monoclonal Antibodies. CHEM-ING-TECH 2017. [DOI: 10.1002/cite.201600161] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Sonja Wolfrum
- Friedrich-Alexander-Universität Erlangen-Nürnberg; Institute of Particle Technology; Cauerstraße 4 91058 Erlangen Germany
| | - Ulrike Weichsel
- Friedrich-Alexander-Universität Erlangen-Nürnberg; Institute of Particle Technology; Cauerstraße 4 91058 Erlangen Germany
| | - Michael Siedler
- AbbVie GmbH&Co.KG; Knollstraße 50 67061 Ludwigshafen Germany
| | - Carsten Weber
- AbbVie GmbH&Co.KG; Knollstraße 50 67061 Ludwigshafen Germany
| | - Wolfgang Peukert
- Friedrich-Alexander-Universität Erlangen-Nürnberg; Institute of Particle Technology; Cauerstraße 4 91058 Erlangen Germany
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145
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Correlating the Effects of Antimicrobial Preservatives on Conformational Stability, Aggregation Propensity, and Backbone Flexibility of an IgG1 mAb. J Pharm Sci 2017; 106:1508-1518. [DOI: 10.1016/j.xphs.2017.02.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 02/02/2017] [Accepted: 02/06/2017] [Indexed: 11/23/2022]
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146
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Khoshaman K, Yousefi R, Tamaddon AM, Abolmaali SS, Oryan A, Moosavi-Movahedi AA, Kurganov BI. The impact of different mutations at Arg54 on structure, chaperone-like activity and oligomerization state of human αA-crystallin: The pathomechanism underlying congenital cataract-causing mutations R54L, R54P and R54C. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2017; 1865:604-618. [DOI: 10.1016/j.bbapap.2017.02.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 01/01/2017] [Accepted: 02/03/2017] [Indexed: 11/30/2022]
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147
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Huang CY, Hsieh MC, Zhou Q. Application of Tryptophan Fluorescence Bandwidth-Maximum Plot in Analysis of Monoclonal Antibody Structure. AAPS PharmSciTech 2017; 18:838-845. [PMID: 27357422 DOI: 10.1208/s12249-016-0568-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 06/03/2016] [Indexed: 11/30/2022] Open
Abstract
Monoclonal antibodies have become the fastest growing protein therapeutics in recent years. The stability and heterogeneity pertaining to its physical and chemical structures remain a big challenge. Tryptophan fluorescence has been proven to be a versatile tool to monitor protein tertiary structure. By modeling the tryptophan fluorescence emission envelope with log-normal distribution curves, the quantitative measure can be exercised for the routine characterization of monoclonal antibody overall tertiary structure. Furthermore, the log-normal deconvolution results can be presented as a two-dimensional plot with tryptophan emission bandwidth vs. emission maximum to enhance the resolution when comparing samples or as a function of applied perturbations. We demonstrate this by studying four different monoclonal antibodies, which show the distinction on emission bandwidth-maximum plot despite their similarity in overall amino acid sequences and tertiary structures. This strategy is also used to demonstrate the tertiary structure comparability between different lots manufactured for one of the monoclonal antibodies (mAb2). In addition, in the unfolding transition studies of mAb2 as a function of guanidine hydrochloride concentration, the evolution of the tertiary structure can be clearly traced in the emission bandwidth-maximum plot.
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148
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Evaluation of aggregate and silicone-oil counts in pre-filled siliconized syringes: An orthogonal study characterising the entire subvisible size range. Int J Pharm 2017; 519:58-66. [DOI: 10.1016/j.ijpharm.2017.01.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 01/06/2017] [Accepted: 01/07/2017] [Indexed: 01/19/2023]
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149
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Salazar-Villanea S, Bruininx EMAM, Gruppen H, Carré P, Quinsac A, van der Poel AFB. Effects of Toasting Time on Digestive Hydrolysis of Soluble and Insoluble 00-Rapeseed Meal Proteins. J AM OIL CHEM SOC 2017; 94:619-630. [PMID: 28392576 PMCID: PMC5364235 DOI: 10.1007/s11746-017-2960-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 12/20/2016] [Accepted: 01/31/2017] [Indexed: 12/03/2022]
Abstract
Thermal damage to proteins can reduce their nutritional value. The effects of toasting time on the kinetics of hydrolysis, the resulting molecular weight distribution of 00-rapeseed meal (RSM) and the soluble and insoluble protein fractions separated from the RSM were studied. Hydrolysis was performed with pancreatic proteases to represent in vitro protein digestibility. Increasing the toasting time of RSM linearly decreased the rate of protein hydrolysis of RSM and the insoluble protein fractions. The extent of hydrolysis was, on average, 44% higher for the insoluble compared with the soluble protein fraction. In contrast, the rate of protein hydrolysis of the soluble protein fraction was 3–9-fold higher than that of the insoluble protein fraction. The rate of hydrolysis of the insoluble protein fraction linearly decreased by more than 60% when comparing the untoasted to the 120 min toasted RSM. Increasing the toasting time elicited the formation of Maillard reaction products (furosine, Nε-carboxymethyl-lysine and Nε-carboxyethyl-lysine) and disulfide bonds in the insoluble protein fraction, which is proposed to explain the reduction in the hydrolysis rate of this fraction. Overall, longer toasting times increased the size of the peptides resulting after hydrolysis of the RSM and the insoluble protein fraction. The hydrolysis kinetics of the soluble and insoluble protein fractions and the proportion of soluble:insoluble proteins in the RSM explain the reduction in the rate of protein hydrolysis observed in the RSM with increasing toasting time.
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Affiliation(s)
- Sergio Salazar-Villanea
- Wageningen Livestock Research, Wageningen, The Netherlands.,Animal Nutrition Group, Wageningen University and Research, P.O. Box 338, 6700 AH Wageningen, The Netherlands
| | - Erik M A M Bruininx
- Animal Nutrition Group, Wageningen University and Research, P.O. Box 338, 6700 AH Wageningen, The Netherlands.,Agrifirm Innovation Center BV, Royal Dutch Agrifirm Group, Apeldoorn, The Netherlands
| | - Harry Gruppen
- Laboratory of Food Chemistry, Wageningen University and Research, Wageningen, The Netherlands
| | | | | | - Antonius F B van der Poel
- Animal Nutrition Group, Wageningen University and Research, P.O. Box 338, 6700 AH Wageningen, The Netherlands
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150
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Ranjan P, Ghosh D, Yarramala DS, Das S, Maji SK, Kumar A. Differential copper binding to alpha-synuclein and its disease-associated mutants affect the aggregation and amyloid formation. Biochim Biophys Acta Gen Subj 2017; 1861:365-374. [DOI: 10.1016/j.bbagen.2016.11.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 10/27/2016] [Accepted: 11/28/2016] [Indexed: 01/02/2023]
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