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Ndumiso M, Buchtová N, Husselmann L, Mohamed G, Klein A, Aucamp M, Canevet D, D'Souza S, Maphasa RE, Boury F, Dube A. Comparative whole corona fingerprinting and protein adsorption thermodynamics of PLGA and PCL nanoparticles in human serum. Colloids Surf B Biointerfaces 2020; 188:110816. [PMID: 31991290 PMCID: PMC7061085 DOI: 10.1016/j.colsurfb.2020.110816] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 12/24/2019] [Accepted: 01/20/2020] [Indexed: 12/31/2022]
Abstract
Nanoparticles (NPs) based on biocompatible and biodegradable polymers such as poly(lactic-co-glycolic acid) (PLGA) and polycaprolactone (PCL) represent effective systems for systemic drug delivery. Upon injection into the blood circuit, the NP surface is rapidly modified due to adsorption of proteins that form a 'protein corona' (PC). The PC plays an important role in cellular targeting, uptake and NP bio-distribution. Hence, the study of interactions between NPs and serum proteins appears as key for biomedical applications and safety of NPs. In the present work, we report on the comparative protein fluorescence quenching extent, thermodynamics of protein binding and identification of proteins in the soft and hard corona layers of PLGA and PCL NPs. NPs were prepared via a single emulsion-solvent evaporation technique and characterized with respect to size, zeta potential, surface morphology and hydrophobicity. Protein fluorescence quenching experiments were performed against human serum albumin. The thermodynamics of serum protein binding onto the NPs was studied using isothermal titration calorimetry. Semi-quantitative analysis of proteins in the PC layers was conducted using gel electrophoresis and mass spectrometry using human serum. Our results demonstrated the influence of particle hydrophobicity on the thermodynamics of protein binding. Human serum proteins bind to a greater extent and with greater affinity to PCL NPs than PLGA NPs. Several proteins were detected in the hard and soft corona of the NPs, representing their unique proteome fingerprints. Some proteins were unique to the PCL NPs. We anticipate that our findings will assist with rational design of polymeric NPs for effective drug delivery applications.
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Affiliation(s)
- Myolisi Ndumiso
- School of Pharmacy, University of the Western Cape, Cape Town, South Africa
| | - Nela Buchtová
- CRCINA, INSERM, Université de Nantes, Université d'Angers, Angers, France
| | - Lizex Husselmann
- Department of Biotechnology, University of the Western Cape, Cape Town, South Africa
| | - Gadija Mohamed
- Department of Biotechnology, University of the Western Cape, Cape Town, South Africa
| | - Ashwil Klein
- Department of Biotechnology, University of the Western Cape, Cape Town, South Africa
| | - Marique Aucamp
- School of Pharmacy, University of the Western Cape, Cape Town, South Africa
| | - David Canevet
- Université d'Angers, Laboratoire MOLTECH-Anjou, UMR CNRS 6200, Angers, France
| | - Sarah D'Souza
- School of Pharmacy, University of the Western Cape, Cape Town, South Africa
| | | | - Frank Boury
- CRCINA, INSERM, Université de Nantes, Université d'Angers, Angers, France
| | - Admire Dube
- School of Pharmacy, University of the Western Cape, Cape Town, South Africa.
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Duan Y, Liu Y, Coreas R, Zhong W. Mapping Molecular Structure of Protein Locating on Nanoparticles with Limited Proteolysis. Anal Chem 2019; 91:4204-4212. [PMID: 30798594 PMCID: PMC6613589 DOI: 10.1021/acs.analchem.9b00482] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The molecular structure of a protein could be altered when it is attached to nanoparticles (NPs), affecting the performance of NPs present in biological systems. Limited proteolysis coupled with LC-MS/MS could reveal the changes in protein structure when it binds to a variety of entities, including macro-molecules and small drugs, but it has not yet been applied to study protein-NP interaction. Herein, adsorption of proteins, transferrin, and catalase on the polystyrene (PS) or iron oxide (IO) NPs was analyzed with this method. Both increased and decreased proteolytic efficiency in certain regions on the proteins were observed. Identification of the peptides affected by protein-NP interaction led to proper prediction of alterations to protein function as well as to colloidal stability of NPs. Overall, the present work has demonstrated the utility of limited proteolysis in helping to elucidate the potential biological outcomes of the protein-NP conjugate, obtaining knowledge to guide improvement of the rational design of the protein-conjugated NPs for biomedical applications and to understand the biological behaviors of the engineered NPs.
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Affiliation(s)
- Yaokai Duan
- Department of Chemistry, University of California, Riverside, California 92507, United States
| | - Yang Liu
- Environmental Toxicology Graduate Program, University of California, Riverside, California 92507, United States
| | - Roxana Coreas
- Environmental Toxicology Graduate Program, University of California, Riverside, California 92507, United States
| | - Wenwan Zhong
- Department of Chemistry, University of California, Riverside, California 92507, United States
- Environmental Toxicology Graduate Program, University of California, Riverside, California 92507, United States
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Duan Y, Liu Y, Shen W, Zhong W. Fluorescamine Labeling for Assessment of Protein Conformational Change and Binding Affinity in Protein-Nanoparticle Interaction. Anal Chem 2017; 89:12160-12167. [PMID: 29083159 PMCID: PMC6055931 DOI: 10.1021/acs.analchem.7b02810] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Protein adsorption alters the "biological identity" of nanoparticles (NPs) and could affect how biosystems respond to invading NPs. Study of protein-NP interaction can help understand how the physicochemical properties of NPs impact the interaction and thus potentially guide the design of safer and more effective NPs for biomedical or other applications. Binding affinity between proteins and NPs and the occurrence of protein conformational change upon binding to NPs are two important aspects to be learned, but few methods are currently available to assess both simultaneously in a simple way. Herein, we demonstrated that the fluorescamine labeling method developed by our group not only could reveal protein conformational change upon adsorption to NPs, owing to its capability to label the primary amines exposed on protein surface, but also could be applied to measure the binding affinity. By screening the interaction between a large number of proteins and four types of NPs, the present study also revealed that protein adsorption onto NPs could be strongly affected by structure flexibility. The proteins with high structure flexibility experienced high degrees of conformation change when binding to the polystyrene NPs, which could potentially influence protein function. Overall, we demonstrate that our assay is a quick, simple, and high-throughput tool to reveal potential impacts on protein activity and evaluate the strength of protein-NP binding.
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Affiliation(s)
- Yaokai Duan
- Department of Chemistry, University of California, Riverside, CA USA 92521
| | - Yang Liu
- Department of Chemistry, University of California, Riverside, CA USA 92521
| | - Wen Shen
- Department of Chemistry, University of California, Riverside, CA USA 92521
| | - Wenwan Zhong
- Department of Chemistry, University of California, Riverside, CA USA 92521
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Hühn J, Fedeli C, Zhang Q, Masood A, del Pino P, Khashab NM, Papini E, Parak WJ. Dissociation coefficients of protein adsorption to nanoparticles as quantitative metrics for description of the protein corona: A comparison of experimental techniques and methodological relevance. Int J Biochem Cell Biol 2016; 75:148-61. [DOI: 10.1016/j.biocel.2015.12.015] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2015] [Revised: 12/28/2015] [Accepted: 12/28/2015] [Indexed: 01/24/2023]
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Bhattacharjee S, Brayden DJ. Development of nanotoxicology: implications for drug delivery and medical devices. Nanomedicine (Lond) 2015; 10:2289-305. [DOI: 10.2217/nnm.15.69] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Current nanotoxicology research suffers from suboptimal in vitro models, lack of in vitro–in vivo correlations, variability within in vitro protocols, deficits in both material purity and physicochemical characterization. Reliable nanomaterial toxicity and mechanistic insights are required for health and toxicity risk assessments. Much in vitro toxicological data is inconclusive in designating whether nanomaterials for drug delivery and medical device implants are truly safe. A critique is presented to analyze the interface between toxicology and nanopharmaceuticals. Deficiencies of existing practices in toxicology are reviewed and useful emerging techniques (e.g., lab-on-a-chip, tissue engineering, atomic force microscopy, high-content analysis) are highlighted. Cross-fertilization between disciplines will aid development of biocompatible delivery and implant platforms while improvements are being suggested for better translation of nanotoxicology.
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Affiliation(s)
| | - David J Brayden
- Conway Institute, University College Dublin (UCD), Dublin, Ireland
- School of Veterinary Medicine, University College Dublin (UCD), Dublin, Ireland
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Joshi N, Basak S, Kundu S, De G, Mukhopadhyay A, Chattopadhyay K. Attenuation of the early events of α-synuclein aggregation: a fluorescence correlation spectroscopy and laser scanning microscopy study in the presence of surface-coated Fe3O4 nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:1469-78. [PMID: 25561279 DOI: 10.1021/la503749e] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The aggregation of α-synuclein (A-syn) has been implicated in the pathogenesis of Parkinson's disease (PD). Although the early events of aggregation and not the matured amyloid fibrils are believed to be responsible for the toxicity, it has been difficult to probe the formation of early oligomers experimentally. We studied the effect of Fe3O4 nanoparticle (NP) in the early stage of aggregation of A-syn using fluorescence correlation spectroscopy (FCS) and laser scanning microscopy. The binding between the monomeric protein and NPs was also studied using FCS at single-molecule resolution. Our data showed that the addition of bare Fe3O4 NPs accelerated the rate of early aggregation, and it did not bind the monomeric A-syn. In contrast, L-lysine (Lys)-coated Fe3O4 NPs showed strong binding with the monomeric A-syn, inhibiting the early events of aggregation. Lys-coated Fe3O4 NPs showed significantly less cell toxicity compared with bare Fe3O4 NPs and can be explored as a possible strategy to develop therapeutic application against PD. To the best of our knowledge, this report is the first example of using a small molecule to attenuate the early (and arguably the most relevant in terms of PD pathogenesis) events of A-syn aggregation.
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Affiliation(s)
- Nidhi Joshi
- Protein Folding and Dynamics Laboratory Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology , 4, Raja S. C. Mullick Road, Kolkata 700032, India
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Khorasani AA, Weaver JL, Salvador-Morales C. Closing the gap: accelerating the translational process in nanomedicine by proposing standardized characterization techniques. Int J Nanomedicine 2014; 9:5729-51. [PMID: 25525356 PMCID: PMC4268909 DOI: 10.2147/ijn.s72479] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
On the cusp of widespread permeation of nanomedicine, academia, industry, and government have invested substantial financial resources in developing new ways to better treat diseases. Materials have unique physical and chemical properties at the nanoscale compared with their bulk or small-molecule analogs. These unique properties have been greatly advantageous in providing innovative solutions for medical treatments at the bench level. However, nanomedicine research has not yet fully permeated the clinical setting because of several limitations. Among these limitations are the lack of universal standards for characterizing nanomaterials and the limited knowledge that we possess regarding the interactions between nanomaterials and biological entities such as proteins. In this review, we report on recent developments in the characterization of nanomaterials as well as the newest information about the interactions between nanomaterials and proteins in the human body. We propose a standard set of techniques for universal characterization of nanomaterials. We also address relevant regulatory issues involved in the translational process for the development of drug molecules and drug delivery systems. Adherence and refinement of a universal standard in nanomaterial characterization as well as the acquisition of a deeper understanding of nanomaterials and proteins will likely accelerate the use of nanomedicine in common practice to a great extent.
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Affiliation(s)
- Ali A Khorasani
- Department of Chemistry and Biochemistry, George Mason University, Fairfax, VA, USA
- Bioengineering Department, George Mason University, Fairfax, VA, USA
- Krasnow Institute for Advanced Study, George Mason University, Fairfax, VA, USA
| | - James L Weaver
- Division of Applied Regulatory Science, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, MD, USA
| | - Carolina Salvador-Morales
- Bioengineering Department, George Mason University, Fairfax, VA, USA
- Krasnow Institute for Advanced Study, George Mason University, Fairfax, VA, USA
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Chen CD, La M, Zhou BB. Strategies for Designing of Electrochemical MicroRNA Genesensors Based on the Difference in the Structure of RNA and DNA. INT J ELECTROCHEM SC 2014; 9:7228-7238. [DOI: 10.1016/s1452-3981(23)10962-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Ashby J, Pan S, Zhong W. Size and surface functionalization of iron oxide nanoparticles influence the composition and dynamic nature of their protein corona. ACS APPLIED MATERIALS & INTERFACES 2014; 6:15412-9. [PMID: 25144382 PMCID: PMC4160264 DOI: 10.1021/am503909q] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Nanoparticles (NPs) adsorb proteins when in the biological matrix, and the resulted protein corona could affect NP-cell interactions. The corona has a dynamic nature with the adsorbed proteins constantly exchanging with the free proteins in the matrix at various rates. The rapidly exchanging proteins compose the soft corona, which responds more dynamically to environment changes than the hard corona established by the ones with slow exchange rates. In the present study, the corona formed on the superparamagnetic iron oxide NPs (SPIONs) in human serum was studied by flow field-flow fractionation and ultracentrifugation, which rapidly differentiated the corona proteins based on their exchange rates. By varying the surface hydrophobicity of the SPIONs with a core size around 10 nm, we found out that, the more hydrophobic surface ligand attracted proteins with higher surface hydrophobicity and formed a more dynamic corona with a larger portion of the involved proteins with fast exchange rates. Increasing the core diameter of the SPIONs but keeping the surface ligand the same could also result in a more dynamic corona. A brief investigation of the effect on the cellular uptake of SPIONs using one selected corona protein, transferrin, was conducted. The result showed that, only the stably bound transferrin could significantly enhance cellular uptake, while transferrin bound in a dynamic nature had negligible impact. Our study has led to a better understanding of the relationship between the particle properties and the dynamic nature of the corona, which can help with design of nanomaterials with higher biocompatibility and higher efficacy in biosystems for biomedical applications.
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Affiliation(s)
- Jonathan Ashby
- Department of Chemistry and Institute for Integrative Genome Biology, University of California, Riverside, California 92521, United States
| | - Songqin Pan
- Department of Chemistry and Institute for Integrative Genome Biology, University of California, Riverside, California 92521, United States
| | - Wenwan Zhong
- Department of Chemistry and Institute for Integrative Genome Biology, University of California, Riverside, California 92521, United States
- E-mail:
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