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Gao Y, Huang Y, Ren C, Chou P, Wu C, Pan X, Quan G, Huang Z. Looking back, moving forward: protein corona of lipid nanoparticles. J Mater Chem B 2024; 12:5573-5588. [PMID: 38757190 DOI: 10.1039/d4tb00186a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Lipid nanoparticles (LNPs) are commonly employed for drug delivery owing to their considerable drug-loading capacity, low toxicity, and excellent biocompatibility. Nevertheless, the formation of protein corona (PC) on their surfaces significantly influences the drug's in vivo fate (such as absorption, distribution, metabolism, and elimination) upon administration. PC denotes the phenomenon wherein one or multiple strata of proteins adhere to the external interface of nanoparticles (NPs) or microparticles within the biological milieu, encompassing ex vivo fluids (e.g., serum-containing culture media) and in vivo fluids (such as blood and tissue fluids). Hence, it is essential to claim the PC formation behaviors and mechanisms on the surface of LNPs. This overview provided a comprehensive examination of crucial aspects related to such issues, encompassing time evolution, controllability, and their subsequent impacts on LNPs. Classical studies of PC generation on the surface of LNPs were additionally integrated, and its decisive role in shaping the in vivo fate of LNPs was explored. The mechanisms underlying PC formation, including the adsorption theory and alteration theory, were introduced to delve into the formation process. Subsequently, the existing experimental outcomes were synthesized to offer insights into the research and application facets of PC, and it was concluded that the manipulation of PC held substantial promise in the realm of targeted delivery.
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Affiliation(s)
- Yue Gao
- College of Pharmacy, Jinan University, Guangzhou 511443, Guangdong, P. R. China.
| | - Yeqi Huang
- College of Pharmacy, Jinan University, Guangzhou 511443, Guangdong, P. R. China.
| | - Chuanyu Ren
- College of Pharmacy, Jinan University, Guangzhou 511443, Guangdong, P. R. China.
| | - Peiwen Chou
- College of Pharmacy, Jinan University, Guangzhou 511443, Guangdong, P. R. China.
| | - Chuanbin Wu
- College of Pharmacy, Jinan University, Guangzhou 511443, Guangdong, P. R. China.
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, P. R. China
| | - Guilan Quan
- College of Pharmacy, Jinan University, Guangzhou 511443, Guangdong, P. R. China.
| | - Zhengwei Huang
- College of Pharmacy, Jinan University, Guangzhou 511443, Guangdong, P. R. China.
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Somarathne RP, Amarasekara DL, Kariyawasam CS, Robertson HA, Mayatt R, Gwaltney SR, Fitzkee NC. Protein Binding Leads to Reduced Stability and Solvated Disorder in the Polystyrene Nanoparticle Corona. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305684. [PMID: 38247186 PMCID: PMC11209821 DOI: 10.1002/smll.202305684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 01/03/2024] [Indexed: 01/23/2024]
Abstract
Understanding the conformation of proteins in the nanoparticle corona has important implications in how organisms respond to nanoparticle-based drugs. These proteins coat the nanoparticle surface, and their properties will influence the nanoparticle's interaction with cell targets and the immune system. While some coronas are thought to be disordered, two key unanswered questions are the degree of disorder and solvent accessibility. Here, a model is developed for protein corona disorder in polystyrene nanoparticles of varying size. For two different proteins, it is found that binding affinity decreases as nanoparticle size increases. The stoichiometry of binding, along with changes in the hydrodynamic size, supports a highly solvated, disordered protein corona anchored at a small number of attachment sites. The scaling of the stoichiometry versus nanoparticle size is consistent with disordered polymer dimensions. Moreover, it is found that proteins are destabilized less in the presence of larger nanoparticles, and hydrophobic exposure decreases at lower curvatures. The observations hold for proteins on flat polystyrene surfaces, which have the lowest hydrophobic exposure. The model provides an explanation for previous observations of increased amyloid fibrillation rates in the presence of larger nanoparticles, and it may rationalize how cell receptors can recognize protein disorder in therapeutic nanoparticles.
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Affiliation(s)
- Radha P Somarathne
- Department of Chemistry, Mississippi State University, Mississippi State, MS, 39762, USA
| | - Dhanush L Amarasekara
- Department of Chemistry, Mississippi State University, Mississippi State, MS, 39762, USA
| | - Chathuri S Kariyawasam
- Department of Chemistry, Mississippi State University, Mississippi State, MS, 39762, USA
| | - Harley A Robertson
- Department of Chemistry, Mississippi State University, Mississippi State, MS, 39762, USA
| | - Railey Mayatt
- Department of Chemistry, Mississippi State University, Mississippi State, MS, 39762, USA
| | - Steven R Gwaltney
- Department of Chemistry, Mississippi State University, Mississippi State, MS, 39762, USA
| | - Nicholas C Fitzkee
- Department of Chemistry, Mississippi State University, Mississippi State, MS, 39762, USA
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Wang H, Rao P, Qiu Y, Xiang L. Interaction mechanism between hydroxychloroquine sulfate and collagen: Insights from multi-spectroscopy, molecular docking, and molecular dynamic simulation methods. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123155. [PMID: 37480720 DOI: 10.1016/j.saa.2023.123155] [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: 04/19/2023] [Revised: 07/04/2023] [Accepted: 07/12/2023] [Indexed: 07/24/2023]
Abstract
Hydroxychloroquine sulfate (HCQ) can be used to treat various connective tissue diseases. Collagen, which is not only an important drug delivery carrier but also the main component in the connective tissue, is the focus of this study. Here, the interaction mechanism of HCQ with collagen was investigated through various spectroscopic and computational methods. It is found that HCQ binds to collagen spontaneously, primarily via hydrophobic interactions and some hydrogen bonds. The findings of X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) verified that formation of HCQ-collagen complex and the amorphous structure, secondary structures, and microstructure of collagen were changed after HCQ binding. A decrease in the relaxation time of free water was observed in the collagen system when HCQ was added. Molecular docking demonstrated that HCQ was almost buried in the cavity of collagen via some hydrophobic interactions with one hydrogen bond, which conforms to the findings of the fluorescence and FTIR analyses. Molecular dynamic (MD) simulations further revealed the structural change information in the docking process. Hopefully, the information generated in this study can provide some useful insights for the research on the pharmacological mechanisms of HCQ in the treatment of the connective tissue diseases and the application of collagen as a drug carrier.
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Affiliation(s)
- Hailin Wang
- College of Food and Bioengineering, Fujian Polytechnic Normal University, Fuqing, Fujian, China; Food Nutrition Science Centre, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, China
| | - Pingfan Rao
- Food Nutrition Science Centre, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, China
| | - Yunjie Qiu
- College of Food and Bioengineering, Fujian Polytechnic Normal University, Fuqing, Fujian, China
| | - Leiwen Xiang
- College of Food and Bioengineering, Fujian Polytechnic Normal University, Fuqing, Fujian, China.
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Somarathne RP, Amarasekara DL, Kariyawasam CS, Robertson HA, Mayatt R, Fitzkee NC. Protein Binding Leads to Reduced Stability and Solvated Disorder in the Polystyrene Nanoparticle Corona. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.06.548033. [PMID: 37461509 PMCID: PMC10350082 DOI: 10.1101/2023.07.06.548033] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
Understanding the conformation of proteins in the nanoparticle corona has important implications in how organisms respond to nanoparticle-based drugs. These proteins coat the nanoparticle surface, and their properties will influence the nanoparticle's interaction with cell targets and the immune system. While some coronas are thought to be disordered, two key unanswered questions are the degree of disorder and solvent accessibility. Here, using a comprehensive thermodynamic approach, along with supporting spectroscopic experiments, we develop a model for protein corona disorder in polystyrene nanoparticles of varying size. For two different proteins, we find that binding affinity decreases as nanoparticle size increases. The stoichiometry of binding, along with changes in the hydrodynamic size, support a highly solvated, disordered protein corona anchored at a small number of enthalpically-driven attachment sites. The scaling of the stoichiometry vs. nanoparticle size is consistent disordered polymer dimensions. Moreover, we find that proteins are destabilized less severely in the presence of larger nanoparticles, and this is supported by measurements of hydrophobic exposure, which becomes less pronounced at lower curvatures. Our observations hold for flat polystyrene surfaces, which, when controlled for total surface area, have the lowest hydrophobic exposure of all systems. Our model provides an explanation for previous observations of increased amyloid fibrillation rates in the presence of larger nanoparticles, and it may rationalize how cell receptors can recognize protein disorder in therapeutic nanoparticles.
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Affiliation(s)
- Radha P. Somarathne
- Department of Chemistry, Mississippi State University, Mississippi State, MS 39762 USA
| | | | | | - Harley A. Robertson
- Department of Chemistry, Mississippi State University, Mississippi State, MS 39762 USA
| | - Railey Mayatt
- Department of Chemistry, Mississippi State University, Mississippi State, MS 39762 USA
| | - Nicholas C. Fitzkee
- Department of Chemistry, Mississippi State University, Mississippi State, MS 39762 USA
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Xu JX, Alom MS, Yadav R, Fitzkee NC. Predicting protein function and orientation on a gold nanoparticle surface using a residue-based affinity scale. Nat Commun 2022; 13:7313. [PMID: 36437251 PMCID: PMC9701677 DOI: 10.1038/s41467-022-34749-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 11/07/2022] [Indexed: 11/28/2022] Open
Abstract
The orientation adopted by proteins on nanoparticle surfaces determines the nanoparticle's bioactivity and its interactions with living systems. Here, we present a residue-based affinity scale for predicting protein orientation on citrate-gold nanoparticles (AuNPs). Competitive binding between protein variants accounts for thermodynamic and kinetic aspects of adsorption in this scale. For hydrophobic residues, the steric considerations dominate, whereas electrostatic interactions are critical for hydrophilic residues. The scale rationalizes the well-defined binding orientation of the small GB3 protein, and it subsequently predicts the orientation and active site accessibility of two enzymes on AuNPs. Additionally, our approach accounts for the AuNP-bound activity of five out of six additional enzymes from the literature. The model developed here enables high-throughput predictions of protein behavior on nanoparticles, and it enhances our understanding of protein orientation in the biomolecular corona, which should greatly enhance the performance and safety of nanomedicines used in vivo.
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Affiliation(s)
- Joanna Xiuzhu Xu
- grid.260120.70000 0001 0816 8287Department of Chemistry, Mississippi State University, Mississippi State, MS 39762 USA
| | - Md. Siddik Alom
- grid.260120.70000 0001 0816 8287Department of Chemistry, Mississippi State University, Mississippi State, MS 39762 USA
| | - Rahul Yadav
- grid.260120.70000 0001 0816 8287Department of Chemistry, Mississippi State University, Mississippi State, MS 39762 USA
| | - Nicholas C. Fitzkee
- grid.260120.70000 0001 0816 8287Department of Chemistry, Mississippi State University, Mississippi State, MS 39762 USA
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Ren J, Andrikopoulos N, Velonia K, Tang H, Cai R, Ding F, Ke PC, Chen C. Chemical and Biophysical Signatures of the Protein Corona in Nanomedicine. J Am Chem Soc 2022; 144:9184-9205. [PMID: 35536591 DOI: 10.1021/jacs.2c02277] [Citation(s) in RCA: 80] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
An inconvenient hurdle in the practice of nanomedicine is the protein corona, a spontaneous collection of biomolecular species by nanoparticles in living systems. The protein corona is dynamic in composition and may entail improved water suspendability and compromised delivery and targeting to the nanoparticles. How much of this nonspecific protein ensemble is determined by the chemistry of the nanoparticle core and its surface functionalization, and how much of this entity is dictated by the biological environments that vary spatiotemporally in vivo? How do we "live with" and exploit the protein corona without significantly sacrificing the efficacy of nanomedicines in diagnosing and curing human diseases? This article discusses the chemical and biophysical signatures of the protein corona and ponders challenges ahead for the field of nanomedicine.
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Affiliation(s)
- Jiayu Ren
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Nicholas Andrikopoulos
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Kelly Velonia
- Department of Materials Science and Technology, University of Crete, Heraklion 70013, Greece
| | - Huayuan Tang
- Department of Physics and Astronomy, Clemson University, Clemson, South Carolina 29634, United States
| | - Rong Cai
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
| | - Feng Ding
- Department of Physics and Astronomy, Clemson University, Clemson, South Carolina 29634, United States
| | - Pu Chun Ke
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia.,Nanomedicine Center, The GBA National Institute for Nanotechnology Innovation, 136 Kaiyuan Avenue, Guangzhou 510700, China
| | - Chunying Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China.,Nanomedicine Center, The GBA National Institute for Nanotechnology Innovation, 136 Kaiyuan Avenue, Guangzhou 510700, China
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Understanding the Adsorption of Peptides and Proteins onto PEGylated Gold Nanoparticles. Molecules 2021; 26:molecules26195788. [PMID: 34641335 PMCID: PMC8510204 DOI: 10.3390/molecules26195788] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/18/2021] [Accepted: 09/20/2021] [Indexed: 11/25/2022] Open
Abstract
Polyethylene glycol (PEG) surface conjugations are widely employed to render passivating properties to nanoparticles in biological applications. The benefits of surface passivation by PEG are reduced protein adsorption, diminished non-specific interactions, and improvement in pharmacokinetics. However, the limitations of PEG passivation remain an active area of research, and recent examples from the literature demonstrate how PEG passivation can fail. Here, we study the adsorption amount of biomolecules to PEGylated gold nanoparticles (AuNPs), focusing on how different protein properties influence binding. The AuNPs are PEGylated with three different sizes of conjugated PEG chains, and we examine interactions with proteins of different sizes, charges, and surface cysteine content. The experiments are carried out in vitro at physiologically relevant timescales to obtain the adsorption amounts and rates of each biomolecule on AuNP-PEGs of varying compositions. Our findings are relevant in understanding how protein size and the surface cysteine content affect binding, and our work reveals that cysteine residues can dramatically increase adsorption rates on PEGylated AuNPs. Moreover, shorter chain PEG molecules passivate the AuNP surface more effectively against all protein types.
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