51
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Wang M, Ma X, Wang G, Song Y, Zhang M, Mai Z, Zhou B, Ye Y, Xia W. Targeting UBR5 in hepatocellular carcinoma cells and precise treatment via echinacoside nanodelivery. Cell Mol Biol Lett 2022; 27:92. [PMID: 36224534 PMCID: PMC9558419 DOI: 10.1186/s11658-022-00394-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 09/30/2022] [Indexed: 06/21/2024] Open
Abstract
Background Hepatocellular carcinoma (HCC) is among the most common and malignant cancers with no effective therapeutic approaches. Echinacoside (ECH), a phenylethanoid glycoside isolated from Chinese herbal medicine, Cistanche salsa, can inhibit HCC progression; however, poor absorption and low bioavailability limit its biological applications. Methods To improve ECH sensitivity to HepG2 cells, we developed a mesoporous silica nanoparticle (MSN)-based drug delivery system to deliver ECH to HepG2 cells via galactose (GAL) and poly(ethylene glycol) diglycidyl ether (PEGDE) conjugation (ECH@Au@MSN-PEGDE-GAL, or ECH@AMPG). Gain- and loss-of-function assays were conducted to assess the effects of UBR5 on HCC cell apoptosis and glycolysis. Moreover, the interactions among intermediate products were also investigated to elucidate the mechanisms by which UBR5 functions. Results The present study showed that ubiquitin protein ligase E3 component N-recognin 5 (UBR5) acted as an oncogene in HCC tissues and that its expression was inhibited by ECH. AMPG showed a high drug loading property and a slow and sustained release pattern over time. Moreover, owing to the valid drug accumulation, ECH@AMPG promoted apoptosis and inhibited glycolysis of HepG2 cells in vitro. In vivo experiments demonstrated that AMPG also enhanced the antitumor effects of ECH in HepG2 cell-bearing mice. Conclusions Our results indicated the clinical significance of UBR5 as a therapeutic target. On the basis of the nontoxic and high drug-loading capabilities of AMPG, ECH@AMPG presented better effects on HCC cells compared with free ECH, indicating its potential for the chemotherapy of HCC. Supplementary Information The online version contains supplementary material available at 10.1186/s11658-022-00394-w.
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Affiliation(s)
- Menghan Wang
- Department of Nuclear Medicine, The Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Pudong New Area, Shanghai, 200137, China
| | - Xing Ma
- Department of Nuclear Medicine, The Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Pudong New Area, Shanghai, 200137, China
| | - Guoyu Wang
- Department of Nuclear Medicine, The Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Pudong New Area, Shanghai, 200137, China
| | - Yanan Song
- Central Laboratory, The Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Pudong New Area, Shanghai, 200137, China
| | - Miao Zhang
- Central Laboratory, The Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Pudong New Area, Shanghai, 200137, China
| | - Zhongchao Mai
- Department of Nuclear Medicine, The Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Pudong New Area, Shanghai, 200137, China
| | - Borong Zhou
- Department of Nuclear Medicine, The Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Pudong New Area, Shanghai, 200137, China
| | - Ying Ye
- Central Laboratory, The Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Pudong New Area, Shanghai, 200137, China.
| | - Wei Xia
- Department of Nuclear Medicine, The Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, 358 Datong Rd, Pudong New Area, Shanghai, 200137, China.
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Kim J, Jozic A, Lin Y, Eygeris Y, Bloom E, Tan X, Acosta C, MacDonald KD, Welsher KD, Sahay G. Engineering Lipid Nanoparticles for Enhanced Intracellular Delivery of mRNA through Inhalation. ACS NANO 2022; 16:14792-14806. [PMID: 36038136 PMCID: PMC9939008 DOI: 10.1021/acsnano.2c05647] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Despite lipid nanoparticles' (LNPs) success in the effective and safe delivery of mRNA vaccines, an inhalation-based mRNA therapy for lung diseases remains challenging. LNPs tend to disintegrate due to shear stress during aerosolization, leading to ineffective delivery. Therefore, LNPs need to remain stable through the process of nebulization and mucus penetration, yet labile enough for endosomal escape. To meet these opposing needs, we utilized PEG lipid to enhance the surficial stability of LNPs with the inclusion of a cholesterol analog, β-sitosterol, to improve endosomal escape. Increased PEG concentrations in LNPs enhanced the shear resistance and mucus penetration, while β-sitosterol provided LNPs with a polyhedral shape, facilitating endosomal escape. The optimized LNPs exhibited a uniform particle distribution, a polyhedral morphology, and a rapid mucosal diffusion with enhanced gene transfection. Inhaled LNPs led to localized protein production in the mouse lung without pulmonary or systemic toxicity. Repeated administration of these LNPs led to sustained protein production in the lungs. Lastly, mRNA encoding the cystic fibrosis transmembrane conductance regulator (CFTR) was delivered after nebulization to a CFTR-deficient animal model, resulting in the pulmonary expression of this therapeutic protein. This study demonstrated the rational design approach for clinical translation of inhalable LNP-based mRNA therapies.
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Affiliation(s)
- Jeonghwan Kim
- Department of Pharmaceutical Sciences, College of Pharmacy, Robertson Life Sciences Building, Oregon State University, Portland, OR, 97201, USA
| | - Antony Jozic
- Department of Pharmaceutical Sciences, College of Pharmacy, Robertson Life Sciences Building, Oregon State University, Portland, OR, 97201, USA
| | - Yuxin Lin
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - Yulia Eygeris
- Department of Pharmaceutical Sciences, College of Pharmacy, Robertson Life Sciences Building, Oregon State University, Portland, OR, 97201, USA
| | - Elissa Bloom
- Department of Pharmaceutical Sciences, College of Pharmacy, Robertson Life Sciences Building, Oregon State University, Portland, OR, 97201, USA
| | - Xiaochen Tan
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - Christopher Acosta
- Department of Pharmaceutical Sciences, College of Pharmacy, Robertson Life Sciences Building, Oregon State University, Portland, OR, 97201, USA
| | - Kelvin D. MacDonald
- Department of Pediatrics, School of Medicine, Oregon Health and Science University, Portland, OR, 97239, USA
| | - Kevin D. Welsher
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - Gaurav Sahay
- Department of Pharmaceutical Sciences, College of Pharmacy, Robertson Life Sciences Building, Oregon State University, Portland, OR, 97201, USA
- Department of Biomedical Engineering, Robertson Life Sciences Building, Oregon Health Science University, Portland, OR, 97239, USA
- Department of Ophthalmology, Casey Eye Institute, Oregon Health & Science University, Portland, OR, 97239, USA
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53
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Zalba S, Ten Hagen TLM, Burgui C, Garrido MJ. Stealth nanoparticles in oncology: Facing the PEG dilemma. J Control Release 2022; 351:22-36. [PMID: 36087801 DOI: 10.1016/j.jconrel.2022.09.002] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/26/2022]
Abstract
Nanoparticles (Nps) have revolutionized the landscape of many treatments, by modifying not only pharmacokinetic properties of the encapsulated agent, but also providing a significant protection of the drug from non-desired interactions, and reducing side-effects of the enclosed therapeutic, enabling co-encapsulation of possibly synergistic compounds or activities, allowing a controlled release of content and improving the therapeutic effect. Nevertheless, in systemic circulation, Nps suffer a rapid removal by opsonisation and the action of Mononuclear phagocyte system (MPS). To overcome this problem, different polymers, in particular Polyethyleneglycol (PEG), have been used to cover the surface of these nanocarriers forming a hydrophilic layer that allows the delay of the removal. These advantages contrast with some drawbacks such as the difficulty to interact with cell membranes and the development of immunological reactions, conforming the known, "PEG dilemma". To address and minimize this phenomenon, different strategies have been applied. Therefore, this review aims to summarize the state of the art of Pegylation strategies, comment in depth on the principal characteristics of PEG and describe the main alternatives, which are the use of cleavable PEG, addition of different polymers or even use other derivatives of cell membranes to camouflage Nps.
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Affiliation(s)
- Sara Zalba
- Department of Pharmaceutical Technology and Chemistry, School of Pharmacy & Nutrition, University of Navarra; IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - Timo L M Ten Hagen
- Laboratory of Experimental Oncology, and Nanomedicine Innovation Center Erasmus (NICE), Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Carmen Burgui
- Department of Pharmaceutical Technology and Chemistry, School of Pharmacy & Nutrition, University of Navarra
| | - María J Garrido
- Department of Pharmaceutical Technology and Chemistry, School of Pharmacy & Nutrition, University of Navarra; IdiSNA, Navarra Institute for Health Research, Pamplona, Spain.
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54
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Wang YF, Zhou Y, Sun J, Wang X, Jia Y, Ge K, Yan Y, Dawson KA, Guo S, Zhang J, Liang XJ. The Yin and Yang of the protein corona on the delivery journey of nanoparticles. NANO RESEARCH 2022; 16:715-734. [PMID: 36156906 PMCID: PMC9483491 DOI: 10.1007/s12274-022-4849-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 07/30/2022] [Accepted: 08/01/2022] [Indexed: 06/12/2023]
Abstract
Nanoparticles-based drug delivery systems have attracted significant attention in biomedical fields because they can deliver loaded cargoes to the target site in a controlled manner. However, tremendous challenges must still be overcome to reach the expected targeting and therapeutic efficacy in vivo. These challenges mainly arise because the interaction between nanoparticles and biological systems is complex and dynamic and is influenced by the physicochemical properties of the nanoparticles and the heterogeneity of biological systems. Importantly, once the nanoparticles are injected into the blood, a protein corona will inevitably form on the surface. The protein corona creates a new biological identity which plays a vital role in mediating the bio-nano interaction and determining the ultimate results. Thus, it is essential to understand how the protein corona affects the delivery journey of nanoparticles in vivo and what we can do to exploit the protein corona for better delivery efficiency. In this review, we first summarize the fundamental impact of the protein corona on the delivery journey of nanoparticles. Next, we emphasize the strategies that have been developed for tailoring and exploiting the protein corona to improve the transportation behavior of nanoparticles in vivo. Finally, we highlight what we need to do as a next step towards better understanding and exploitation of the protein corona. We hope these insights into the "Yin and Yang" effect of the protein corona will have profound implications for understanding the role of the protein corona in a wide range of nanoparticles.
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Affiliation(s)
- Yi-Feng Wang
- Guangdong Provincial Education Department Key Laboratory of Nano-Immunoregulation Tumor Microenvironment, Guangzhou Key Laboratory for Research and Development of Nano-Biomedical Technology for Diagnosis and Therapy, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260 China
- Chinese Academy of Sciences (CAS) Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190 China
| | - Yaxin Zhou
- Key Laboratory of Functional Polymer Materials of Ministry of Education, State Key Laboratory of Medicinal Chemical Biology and Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin, 300071 China
| | - JiaBei Sun
- China National Institute of Food and Drug Control, Beijing, 100061 China
| | - Xiaotong Wang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002 China
| | - Yaru Jia
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002 China
| | - Kun Ge
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002 China
| | - Yan Yan
- Centre for BioNano Interactions, School of Chemistry, School of Biomolecular and Biomedical Science, University College Dublin, Dublin, D04V1W8 Ireland
| | - Kenneth A Dawson
- Guangdong Provincial Education Department Key Laboratory of Nano-Immunoregulation Tumor Microenvironment, Guangzhou Key Laboratory for Research and Development of Nano-Biomedical Technology for Diagnosis and Therapy, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260 China
- Centre for BioNano Interactions, School of Chemistry, School of Biomolecular and Biomedical Science, University College Dublin, Dublin, D04V1W8 Ireland
| | - Shutao Guo
- Key Laboratory of Functional Polymer Materials of Ministry of Education, State Key Laboratory of Medicinal Chemical Biology and Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin, 300071 China
| | - Jinchao Zhang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002 China
| | - Xing-Jie Liang
- Guangdong Provincial Education Department Key Laboratory of Nano-Immunoregulation Tumor Microenvironment, Guangzhou Key Laboratory for Research and Development of Nano-Biomedical Technology for Diagnosis and Therapy, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260 China
- Chinese Academy of Sciences (CAS) Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190 China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002 China
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Influence of Polymer Shell Molecular Weight on Functionalized Iron Oxide Nanoparticles Morphology and In Vivo Biodistribution. Pharmaceutics 2022; 14:pharmaceutics14091877. [PMID: 36145625 PMCID: PMC9501806 DOI: 10.3390/pharmaceutics14091877] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/24/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022] Open
Abstract
Iron oxide nanoparticles (IONPs) have been extensively used in different biomedical applications due to their biocompatibility and magnetic properties. However, different functionalization approaches have been developed to improve their time-life in the systemic circulation. Here, we have synthesized IONPs using a modified Massart method and functionalized them in situ with polyethylene glycol with different molecular weights (20 K and 35 K). The resulting nanoparticles were characterized in terms of morphology, structure, and composition using transmission electron microscopy (TEM) and selected area electron diffraction (SAED). In vivo biodistribution was evaluated in Balb/c mice, the presence of IONP being evidenced through histopathological investigations. IONP morphological characterization showed a change in shape (from spherical to rhombic) and size with molecular weight, while structural characterization proved the obtaining of highly crystalline samples of spinel structured cubic face-centered magnetite. In vivo biodistribution in a mice model proved the biocompatibility of all of the IONP samples. All NPs were cleared through the liver, spleen, and lungs, while bare IONPs were also evidenced in kidneys.
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56
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Fujii S, Sakurai K. Zwitterionic Amino Acid Polymer-Grafted Core-Crosslinked Particle toward Tumor Delivery. Biomacromolecules 2022; 23:3968-3977. [PMID: 36018790 DOI: 10.1021/acs.biomac.2c00803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Zwitterionic amino acid polymers (ZAPs) exhibit biocompatibility and recognition capability for amino acid transporters (AATs) overexpressed on cancer cells. They are potential cancer-targeting ligands in nanoparticle-based nanomedicines utilized in cancer chemotherapy. Here, a poly(glutamine methacrylate) (pGlnMA)-grafted core-crosslinked particle (pGlnMA-CCP) is prepared through the formation of nanoemulsions stabilized using amphiphilic block copolymers comprising pGlnMA as the hydrophilic block. The chain conformation of the grafted polymer and the particle structure of pGlnMA-CCP are precisely elucidated by dynamic light scattering, X-ray scattering, and transmission electron microscopy. pGlnMA-CCP demonstrates active cellular uptake and deep penetration behaviors for cancer cells and spheroids, respectively, via an AAT-mediated mechanism. The in vivo pharmacokinetics of pGlnMA-CCP is practically comparable to those of a CCP covered with poly(polyethylene glycol methacrylate) (pPEGMA), which inhibits protein adsorption and prolongs blood retention, implying that the biocompatible properties of pGlnMA are similar to those of pPEGMA. Furthermore, pGlnMA-CCP accumulates in cancer tissues at a higher level than that of pPEGMA systems. The results demonstrate that the properties of cancer targetability, tumor permeability, efficient tumor accumulation, and biocompatibility can be obtained by grafting pGlnMA onto nanoparticles, suggesting a high potential of pGlnMA as a ligand for cancer-targeting nanomedicines.
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Affiliation(s)
- Shota Fujii
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Kazuo Sakurai
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
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57
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Kanamaru T, Sakurai K, Fujii S. Impact of Polyethylene Glycol (PEG) Conformations on the In Vivo Fate and Drug Release Behavior of PEGylated Core-Cross-Linked Polymeric Nanoparticles. Biomacromolecules 2022; 23:3909-3918. [PMID: 35943243 DOI: 10.1021/acs.biomac.2c00730] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In cancer chemotherapy, core-cross-linked particles (CCPs) are a promising drug carrier due to their high structural stability in an in vivo environment, resulting in improved tumor delivery. A biocompatible polymer of polyethylene glycol (PEG) is often utilized to coat the surface of CCPs to avoid nonspecific adsorption of proteins in vivo. The PEG density and conformation on the particle surface are important structural factors that determine the in vivo fate of such PEGylated nanoparticles, including their pharmacokinetics and pharmacodynamics. However, contrary to expectations, we found no significant differences in the in vivo pharmacokinetics and pharmacodynamics of the PEGylated CCPs with the different PEG densities including mushroom, brush, and dense brush conformations. On the contrary, the in vivo release kinetics of hydrophilic and hydrophobic model drugs from the PEGylated CCPs was strongly dependent on the PEG conformation and the drug polarity. This may be related to the water-swelling degree in the particle PEG layer, which promotes and inhibits the diffusion of hydrophilic and hydrophobic drugs, respectively, from the particle core to the water phase. Our results provide guidelines for the design of cancer-targeting nanomedicine based on PEGylated CCPs.
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Affiliation(s)
- Takuma Kanamaru
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Kazuo Sakurai
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Shota Fujii
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
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58
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Shin K, Suh HW, Grundler J, Lynn AY, Pothupitiya JU, Moscato ZM, Reschke M, Bracaglia LG, Piotrowski-Daspit AS, Saltzman WM. Polyglycerol and Poly(ethylene glycol) exhibit different effects on pharmacokinetics and antibody generation when grafted to nanoparticle surfaces. Biomaterials 2022; 287:121676. [PMID: 35849999 DOI: 10.1016/j.biomaterials.2022.121676] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 06/11/2022] [Accepted: 07/08/2022] [Indexed: 11/02/2022]
Abstract
Poly(ethylene glycol) (PEG) is widely employed for passivating nanoparticle (NP) surfaces to prolong blood circulation and enhance localization of NPs to target tissue. However, the immune response of PEGylated NPs-including anti-PEG antibody generation, accelerated blood clearance (ABC), and loss of delivery efficacy-is of some concern, especially for treatments that require repeat administrations. Although polyglycerol (PG), which has the same ethylene oxide backbone as PEG, has received attention as an alternative to PEG for NP coatings, the pharmacokinetic and immunogenic impact of PG has not been studied systematically. Here, linear PG, hyperbranched PG (hPG), and PEG-coated polylactide (PLA) NPs with varying surface densities were studied in parallel to determine the pharmacokinetics and immunogenicity of PG and hPG grafting, in comparison with PEG. We found that linear PG imparted the NPs a stealth property comparable to PEG, while hPG-grafted NPs needed a higher surface density to achieve the same pharmacokinetic impact. While linear PG-grafted NPs induced anti-PEG antibody production in mice, they exhibited minimal accelerated blood clearance (ABC) effects due to the poor interaction with anti-PEG immunoglobulin M (IgM). Further, we observed no anti-polymer IgM responses or ABC effects for hPG-grafted NPs.
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Affiliation(s)
- Kwangsoo Shin
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA.
| | - Hee-Won Suh
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA
| | - Julian Grundler
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA; Department of Chemistry, Yale University, New Haven, CT, 06511, USA
| | - Anna Y Lynn
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA
| | - Jinal U Pothupitiya
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA
| | - Zoe M Moscato
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA
| | - Melanie Reschke
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA; Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, 06511, USA
| | - Laura G Bracaglia
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA
| | | | - W Mark Saltzman
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA; Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, 06511, USA; Department of Chemical & Environmental Engineering, Yale University, New Haven, CT, 06511, USA; Department of Cellular & Molecular Physiology, Yale School of Medicine, New Haven, CT, 06510, USA; Department of Dermatology, Yale School of Medicine, New Haven, CT, 06510, USA.
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Najer A, Belessiotis-Richards A, Kim H, Saunders C. Block Length-Dependent Protein Fouling on Poly(2-oxazoline)-Based Polymersomes: Influence on Macrophage Association and Circulation Behavior. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2201993. [PMID: 35670200 PMCID: PMC7615485 DOI: 10.1002/smll.202201993] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Polymersomes are vesicular structures self-assembled from amphiphilic block copolymers and are considered an alternative to liposomes for applications in drug delivery, immunotherapy, biosensing, and as nanoreactors and artificial organelles. However, the limited availability of systematic stability, protein fouling (protein corona formation), and blood circulation studies hampers their clinical translation. Poly(2-oxazoline)s (POx) are valuable antifouling hydrophilic polymers that can replace the current gold-standard, poly(ethylene glycol) (PEG), yet investigations of POx functionality on nanoparticles are relatively sparse. Herein, a systematic study is reported of the structural, dynamic and antifouling properties of polymersomes made of poly(2-methyl-2-oxazoline)-block-poly(dimethylsiloxane)-block-poly(2-methyl-2-oxazoline) (PMOXA-b-PDMS-b-PMOXA). The study relates in vitro antifouling performance of the polymersomes to atomistic molecular dynamics simulations of polymersome membrane hydration behavior. These observations support the experimentally demonstrated benefit of maximizing the length of PMOXA (degree of polymerization (DP) > 6) while keeping PDMS at a minimal length that still provides sufficient membrane stability (DP > 19). In vitro macrophage association and in vivo blood circulation evaluation of polymersomes in zebrafish embryos corroborate these findings. They further suggest that single copolymer presentation on polymersomes is outperformed by blends of varied copolymer lengths. This study helps to rationalize design rules for stable and low-fouling polymersomes for future medical applications.
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Affiliation(s)
- Adrian Najer
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Alexis Belessiotis-Richards
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Hyemin Kim
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Catherine Saunders
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
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Ogawa K, Katsumi H, Nomura D, Moroto Y, Morishita M, Yamamoto A. A Dense Layer of Polyethyleneglycol and Zwitterionic Bone Targeting Peptide on the Surface of Stereocomplex Polylactide-Polyethyleneglycol Nanoparticles Improves Shelf-Storage Stability and the Serum Compatibility. J Pharm Sci 2022; 111:2888-2897. [PMID: 35671787 DOI: 10.1016/j.xphs.2022.05.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/29/2022] [Accepted: 05/29/2022] [Indexed: 11/18/2022]
Abstract
The surface properties of nanoparticles (NPs) affect their stability and formation of the protein corona, which influence their targeting abilities. We evaluated these properties using bone (hydroxyapatite; HAP) targeting peptide on tamoxifen (TAM)-loaded stereocomplexformed polylactide-polyethyleneglycol (SC-PLA-PEG) NPs. Octaaspartic acid-octaglycine-cysteine (D8G8C) anionic derivative (Ani. pep.) and octa-aspartic acid-octa lysine-cysteine (D8K8C), a zwitterionic derivative (Zwi. pep.) were conjugated with SC-PLA-PEG NPs as HAP-targeting peptides. The addition of hydrophobic PLA homopolymers increased the surface PEG density on the NPs. Denser PEG chains on NPs decreased their specific surface area, reducing protein adsorption on the NPs and TAM release from NPs. NPs with dense PEG chains and Zwi. pep. showed superior shelf stability and lower protein adsorption than NPs with dense PEG chains and Ani. pep. in murine serum. Furthermore, the HAP-binding ability of NPs with Zwi. pep. was significantly higher than that of NPs with Ani. pep. These results indicate that decreasing the specific surface area and zwitterionization of HAP-targeting peptides on NPs are promising approaches to improve the serum compatibility and stability of NPs.
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Affiliation(s)
- Kohei Ogawa
- Formulation R&D Laboratory, CMC R&D Division, Shionogi Co. Ltd., Amagasaki-shi, Hyogo 660-0813, Japan; Department of Biopharmaceutics, Kyoto Pharmaceutical University, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
| | - Hidemasa Katsumi
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan.
| | - Daiki Nomura
- Formulation R&D Laboratory, CMC R&D Division, Shionogi Co. Ltd., Amagasaki-shi, Hyogo 660-0813, Japan
| | - Yasushi Moroto
- Formulation R&D Laboratory, CMC R&D Division, Shionogi Co. Ltd., Amagasaki-shi, Hyogo 660-0813, Japan
| | - Masaki Morishita
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
| | - Akira Yamamoto
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan
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61
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McCright J, Skeen C, Yarmovsky J, Maisel K. Nanoparticles with dense poly(ethylene glycol) coatings with near neutral charge are maximally transported across lymphatics and to the lymph nodes. Acta Biomater 2022; 145:146-158. [PMID: 35381399 PMCID: PMC9133124 DOI: 10.1016/j.actbio.2022.03.054] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 03/24/2022] [Accepted: 03/29/2022] [Indexed: 12/19/2022]
Abstract
Lymphatic vessels have recently been shown to effectively deliver immune modulatory therapies to the lymph nodes, which enhances their therapeutic efficacy. Prior work has shown that lymphatics transport 10-250 nm nanoparticles from peripheral tissues to the lymph node. However, the surface chemistry required to maximize this transport is poorly understood. Here, we determined the effect of surface poly(ethylene glycol) (PEG) density and size on nanoparticle transport across lymphatic endothelial cells (LECs) by differentially PEGylated model polystyrene nanoparticles. Using an established in-vitro lymphatic transport model, we found PEGylation improved the transport of 100 and 40 nm nanoparticles across LECs 50-fold compared to the unmodified nanoparticles and that transport is maximized when the PEG is in a dense brush conformation or high grafting density (Rf/D = 4.9). We also determined that these trends are not size-dependent. PEGylating 40 nm nanoparticles improved transport efficiency across LECs 68-fold compared to unmodified nanoparticles. We also found that PEGylated 100 nm and 40 nm nanoparticles accumulate in lymph nodes within 4 h after intradermal injection, while unmodified nanoparticles accumulated minimally. Densely PEGylated nanoparticles traveled the furthest distance from the injection site and densely PEGylated 40 nm nanoparticles had maximum accumulation in the lymph nodes compared to low density PEGylated and unmodified nanoparticles. Finally, we determined that nanoparticles are transported via both paracellular and transcellular mechanisms, and that PEG conformation modulates the cellular transport mechanisms. Our results suggest that PEG conformation is crucial to maximize nanoparticle transport across LECs and into lymphatic vessels, making PEG density a crucial design. Optimizing PEG density on nanoparticle formulations has the potential to enhance immunotherapeutic and vaccine outcomes. STATEMENT OF SIGNIFICANCE: Lymphatic vessels are an emerging target for drug delivery both in the context of modulating immune responses and enhancing bioavailability by avoiding first pass hepatic metabolism after oral delivery. Lymphatic vessels are the natural conduits from peripheral tissues to the lymph nodes, where the adaptive immune response is shaped, and eventually to systemic circulation via the thoracic duct. Lymphatics can be targeted via nanoparticles, but the surface chemistry required to maximize nanoparticle transport by lymphatics vessels remains poorly understood. Here, we demonstrate that coating nanoparticles with hydrophilic polyethylene glycol (PEG) effectively enhances their transport across lymphatic endothelial cells in vitro and in vivo and that both paracellular and micropinocytosis mechanisms underly this transport. We found that dense PEG coatings maximize lymphatic transport of nanoparticles, thus providing new material design criteria for lymphatic targeted drug delivery.
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Affiliation(s)
- Jacob McCright
- Department of Bioengineering, University of Maryland College Park, College Park, 8278 Paint Branch Drive, MD 20742, USA
| | - Colin Skeen
- Department of Bioengineering, University of Maryland College Park, College Park, 8278 Paint Branch Drive, MD 20742, USA
| | - Jenny Yarmovsky
- Department of Bioengineering, University of Maryland College Park, College Park, 8278 Paint Branch Drive, MD 20742, USA
| | - Katharina Maisel
- Department of Bioengineering, University of Maryland College Park, College Park, 8278 Paint Branch Drive, MD 20742, USA.
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Kim YH, Oreffo ROC, Dawson JI. From hurdle to springboard: The macrophage as target in biomaterial-based bone regeneration strategies. Bone 2022; 159:116389. [PMID: 35301163 DOI: 10.1016/j.bone.2022.116389] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 03/03/2022] [Accepted: 03/10/2022] [Indexed: 12/16/2022]
Abstract
The past decade has seen a growing appreciation for the role of the innate immune response in mediating repair and biomaterial directed tissue regeneration. The long-held view of the host immune/inflammatory response as an obstacle limiting stem cell regenerative activity, has given way to a fresh appreciation of the pivotal role the macrophage plays in orchestrating the resolution of inflammation and launching the process of remodelling and repair. In the context of bone, work over the past decade has established an essential coordinating role for macrophages in supporting bone repair and sustaining biomaterial driven osteogenesis. In this review evidence for the role of the macrophage in bone regeneration and repair is surveyed before discussing recent biomaterial and drug-delivery based approaches that target macrophage modulation with the goal of accelerating and enhancing bone tissue regeneration.
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Affiliation(s)
- Yang-Hee Kim
- Bone and Joint Research Group, Centre for Human Development, Stem Cells & Regeneration, Institute of Developmental Sciences, University of Southampton, Southampton SO16 6YD, UK
| | - Richard O C Oreffo
- Bone and Joint Research Group, Centre for Human Development, Stem Cells & Regeneration, Institute of Developmental Sciences, University of Southampton, Southampton SO16 6YD, UK
| | - Jonathan I Dawson
- Bone and Joint Research Group, Centre for Human Development, Stem Cells & Regeneration, Institute of Developmental Sciences, University of Southampton, Southampton SO16 6YD, UK.
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Tuguntaev RG, Hussain A, Fu C, Chen H, Tao Y, Huang Y, Liu L, Liang XJ, Guo W. Bioimaging guided pharmaceutical evaluations of nanomedicines for clinical translations. J Nanobiotechnology 2022; 20:236. [PMID: 35590412 PMCID: PMC9118863 DOI: 10.1186/s12951-022-01451-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 05/05/2022] [Indexed: 11/25/2022] Open
Abstract
Nanomedicines (NMs) have emerged as an efficient approach for developing novel treatment strategies against a variety of diseases. Over the past few decades, NM formulations have received great attention, and a large number of studies have been performed in this field. Despite this, only about 60 nano-formulations have received industrial acceptance and are currently available for clinical use. Their in vivo pharmaceutical behavior is considered one of the main challenges and hurdles for the effective clinical translation of NMs, because it is difficult to monitor the pharmaceutic fate of NMs in the biological environment using conventional pharmaceutical evaluations. In this context, non-invasive imaging modalities offer attractive solutions, providing the direct monitoring and quantification of the pharmacokinetic and pharmacodynamic behavior of labeled NMs in a real-time manner. Imaging evaluations have great potential for revealing the relationship between the physicochemical properties of NMs and their pharmaceutical profiles in living subjects. In this review, we introduced imaging techniques that can be used for in vivo NM evaluations. We also provided an overview of various studies on the influence of key parameters on the in vivo pharmaceutical behavior of NMs that had been visualized in a non-invasive and real-time manner.
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Affiliation(s)
- Ruslan G Tuguntaev
- Department of Minimally Invasive Interventional Radiology, Key Laboratory of Molecular Target & Clinical Pharmacology, School of Pharmaceutical Sciences & the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, People's Republic of China
| | - Abid Hussain
- Advanced Research Institute of Multidisciplinary Science, School of Life Science, School of Medical Technology (Institute of Engineering Medicine), Key Laboratory of Molecular Medicine and Biotherapy, Key Laboratory of Medical Molecular Science and Pharmaceutics Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Chenxing Fu
- Department of Minimally Invasive Interventional Radiology, Key Laboratory of Molecular Target & Clinical Pharmacology, School of Pharmaceutical Sciences & the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, People's Republic of China
| | - Haoting Chen
- Department of Minimally Invasive Interventional Radiology, Key Laboratory of Molecular Target & Clinical Pharmacology, School of Pharmaceutical Sciences & the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, People's Republic of China
| | - Ying Tao
- Department of Minimally Invasive Interventional Radiology, Key Laboratory of Molecular Target & Clinical Pharmacology, School of Pharmaceutical Sciences & the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, People's Republic of China
| | - Yan Huang
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Lu Liu
- Chinese Academy of Sciences (CAS) Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, People's Republic of China.
| | - Xing-Jie Liang
- Chinese Academy of Sciences (CAS) Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, People's Republic of China.
| | - Weisheng Guo
- Department of Minimally Invasive Interventional Radiology, Key Laboratory of Molecular Target & Clinical Pharmacology, School of Pharmaceutical Sciences & the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, People's Republic of China.
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Dual stimuli-responsive dendronized prodrug derived from poly(oligo-(ethylene glycol) methacrylate)-based copolymers for enhanced anti-cancer therapeutic effect. Acta Biomater 2022; 143:320-332. [PMID: 35235863 DOI: 10.1016/j.actbio.2022.02.033] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/23/2022] [Accepted: 02/22/2022] [Indexed: 12/11/2022]
Abstract
In this study, we developed an enzyme- and pH-responsive dendronized poly(oligo-(ethylene glycol) methacrylate) (pOEGMA)-doxorubicin (DOX) polymeric prodrug, which combined the pOEGMA structure with a degradable peptide dendron. The introduction of the dendron in the prodrug hindered the entanglement of brush oligo-(ethylene glycol) (OEG) chains, allowed the prodrug to possess dual stimuli-responsiveness, and mediated self-assembly of the polymeric prodrug to form stable nanoparticles (NPs). Brush conformation of polyethylene glycol (PEG) side chains endowed the NPs with long-term circulation with a half-life of 16.0 h. The dual-responsive dendritic structure enhanced cellular uptake of NPs and facilitated drug release in response to overexpressed cathepsin B and an acidic pH in the tumor microenvironment, resulting in an enhanced therapeutic effect with a tumor inhibition rate of 72.9% for 4T1 tumor-bearing mice. The NPs were demonstrated to possess great hemocompatibility and biosafety. Therefore, this strategy could provide great insight for the design of poly(oligo-(ethylene glycol) methacrylate)-based copolymers as drug delivery carriers. STATEMENT OF SIGNIFICANCE: We propose a dual-stimuli-responsive dendronized strategy for improving the cancer therapeutic effect of the poly(oligo-(ethylene glycol) methacrylate) (pOEGMA)-based drug conjugates. The introduction of the functional dendron promotes self-assembly of the polymeric prodrug into nanoparticles, hindering the entanglement of brush oligo-(ethylene glycol) (OEG) chains in the conjugated drugs. The obtained poly OEGMA-GFLG-Dendron-NH-N=DOX nanoparticles maintains long circulation, while addresses the drug release issue due to the presence of high-density PEG. The drug delivery system exhibits a high therapeutic potentcy with negligible side effects.
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Zheng J, Lu C, Ding Y, Zhang J, Tan F, Liu J, Yang G, Wang Y, Li Z, Yang M, Yang Y, Gong W, Gao C. Red blood cell-hitchhiking mediated pulmonary delivery of ivermectin: Effects of nanoparticle properties. Int J Pharm 2022; 619:121719. [PMID: 35390488 PMCID: PMC8978457 DOI: 10.1016/j.ijpharm.2022.121719] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/11/2022] [Accepted: 04/01/2022] [Indexed: 12/21/2022]
Abstract
Recent studies have demonstrated that ivermectin (IVM) exhibits antiviral activity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative virus of coronavirus disease 2019 (COVID-19). However, the repurposing of IVM for the treatment of COVID-19 has presented challenges primarily due to the low IVM plasma concentration after oral administration, which was well below IC50. Here, a red blood cell (RBC)-hitchhiking strategy was used for the targeted delivery of IVM-loaded nanoparticles (NPs) to the lung. IVM-loaded poly (lactic-co-glycolic acid) (PLGA) NPs (IVM-PNPs) and chitosan-coating IVM-PNPs (IVM-CSPNPs) were prepared and adsorbed onto RBCs. Both RBC-hitchhiked IVM-PNPs and IVM-CSPNPs could significantly enhance IVM delivery to lungs, improve IVM accumulation in lung tissue, inhibit the inflammatory responses and finally significantly alleviate the progression of acute lung injury. Specifically, the redistribution and circulation effects were related to the properties of NPs. RBC-hitchhiked cationic IVM-CSPNPs showed a longer circulation time, slower accumulation and elimination rates, and higher anti-inflammatory activities than RBC-hitchhiked anionic IVM-PNPs. Therefore, RBC-hitchhiking provides an alternative strategy to improve IVM pharmacokinetics and bioavailability for repurposing of IVM to treat COVID-19. Furthermore, according to different redistribution effects of different NPs, RBC-hitchhiked NPs may achieve various accumulation rates and circulation times for different requirements of drug delivery.
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Affiliation(s)
- Jinpeng Zheng
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China
| | - Caihong Lu
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China; School of Pharmacy, Guangxi Medical University, Nanning 530021, PR China
| | - Yaning Ding
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China; School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Benxi 117004, PR China
| | - Jinbang Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China; College of Pharmacy, Henan University, Kaifeng 475000, PR China
| | - Fangyun Tan
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China; School of Pharmacy, Guangxi Medical University, Nanning 530021, PR China
| | - Jingzhou Liu
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China
| | - Guobao Yang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China
| | - Yuli Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China
| | - Zhiping Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China
| | - Meiyan Yang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China
| | - Yang Yang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China
| | - Wei Gong
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China.
| | - Chunsheng Gao
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China.
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Bilardo R, Traldi F, Vdovchenko A, Resmini M. Influence of surface chemistry and morphology of nanoparticles on protein corona formation. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1788. [PMID: 35257495 PMCID: PMC9539658 DOI: 10.1002/wnan.1788] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 02/08/2022] [Accepted: 02/09/2022] [Indexed: 12/11/2022]
Abstract
Nanomaterials offer promising solutions as drug delivery systems and imaging agents in response to the demand for better therapeutics and diagnostics. However, the limited understanding of the interaction between nanoparticles and biological entities is currently hampering the development of new systems and their applications in clinical settings. Proteins and lipids in biological fluids are known to complex with nanoparticles to form a "biomolecular corona". This has been shown to affect particles' morphology and behavior in biological systems and their interactions with cells. Hence, understanding how nanomaterials' physicochemical properties affect the formation and composition of this biocorona is a crucial step. This work evaluates existing literature on how morphology (size and shape), and surface chemistry (charge and hydrophobicity) of nanoparticles influence the formation of protein corona. The latest evidence suggest that although surface charge promotes the interaction with proteins and lipids, surface chemistry plays a leading role in determining the affinity of the nanoparticle for biomolecules and, ultimately, the composition of the corona. More recently the study of additional nanoparticles' properties like shape and surface chirality have demonstrated a significant effect on protein corona architecture, providing new tools to tailor biomolecular corona formation. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Toxicology and Regulatory Issues in Nanomedicine > Toxicology of Nanomaterials.
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Affiliation(s)
- Roberta Bilardo
- Department of Chemistry, Queen Mary University of London, London, UK
| | - Federico Traldi
- Department of Chemistry, Queen Mary University of London, London, UK
| | - Alena Vdovchenko
- Department of Chemistry, Queen Mary University of London, London, UK
| | - Marina Resmini
- Department of Chemistry, Queen Mary University of London, London, UK
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67
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Kraynak CA, Huang W, Bender EC, Wang JL, Hanafy M, Cui Z, Suggs LJ. Apoptotic body-inspired nanoparticles target macrophages at sites of inflammation to support an anti-inflammatory phenotype shift. Int J Pharm 2022; 618:121634. [PMID: 35247497 PMCID: PMC9007911 DOI: 10.1016/j.ijpharm.2022.121634] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 02/11/2022] [Accepted: 03/01/2022] [Indexed: 12/15/2022]
Abstract
Chronic inflammation is a significant pathological process found in a range of disease states. Treatments to reduce inflammation in this family of diseases may improve symptoms and disease progression, but are largely limited by variable response rates, cost, and off-target effects. Macrophages are implicated in many inflammatory diseases for their critical role in the maintenance and resolution of inflammation. Macrophages exhibit significant plasticity to direct the inflammatory response by taking on an array of pro- and anti-inflammatory phenotypes based on extracellular cues. In this work, a nanoparticle has been developed to target sites of inflammation and reduce the inflammatory macrophage phenotype by mimicking the anti-inflammatory effect of apoptotic cell engulfment. The nanoparticle, comprised of a poly(lactide-co-glycolide) core, is coated with phosphatidylserine (PS)-supplemented cell plasma membrane to emulate key characteristics of the apoptotic cell surface. T he particle surface is additionally functionalized with an acid-sensitive sheddable polyethylene glycol (PEG) moiety to increase the delivery of the nanoparticles to low pH environments such as those of chronic inflammation. In a mouse model of lipopolysaccharide-induced inflammation, particles were preferentially taken up by macrophages at the site and promoted an anti-inflammatory phenotype shift. This PEGylated membrane coating increased the delivery of nanoparticles to sites of inflammation and may be used as a tool alone or as a delivery scheme for additional cargo to reduce macrophage-associated inflammatory response.
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Affiliation(s)
- Chelsea A Kraynak
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas
| | - Wenbai Huang
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas; Department of Kinesiology, The University of Texas at Austin, Austin, Texas
| | - Elizabeth C Bender
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas
| | - Jie-Liang Wang
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, Texas
| | - Mahmoud Hanafy
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, Texas
| | - Zhengrong Cui
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, Texas
| | - Laura J Suggs
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas.
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Enhanced circulation longevity and pharmacodynamics of metformin from surface-modified nanostructured lipid carriers based on solidified reverse micellar solutions. Heliyon 2022; 8:e09100. [PMID: 35313488 PMCID: PMC8933683 DOI: 10.1016/j.heliyon.2022.e09100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 11/09/2021] [Accepted: 03/09/2022] [Indexed: 11/21/2022] Open
Abstract
Metformin hydrochloride (MTH) has been associated with poor/incomplete absorption (50–60%), low bioavailability, short half-life (0.4–0.5 h), high dosage and dose-related side effects. To overcome these barriers and improve oral bioavailability and efficacy of MTH, surface-modified nanostructured lipid carriers (NLCs) were developed. Lipid matrices composed of rational blends of beeswax and Phospholipon® 90H (as solid lipids) and Capryol-PGE 860 (as liquid lipid) were prepared by fusion, and the resultant lipid matrices were PEGylated to give 10, 20 and 40% PEGylated lipid matrices. MTH-loaded non-PEGylated and PEGylated NLCs were prepared via high-shear hot homogenization and characterized regarding particle properties and physicochemical performance. The encapsulation efficiencies (EE%) and loading capacities (LC) of the MTH-loaded NLCs were determined while the in vitro drug release was evaluated in phosphate buffered saline (PBS, pH 7.4). Antidiabetic and pharmacokinetics properties of the NLCs were ascertained in an alloxan-induced diabetic rats model after oral administration. The MTH-loaded NLCs were nanomeric (particle size: 184.8–882.50 nm) with low polydispersity index (0.368–0.687) and zeta potential (26.5–34.2 mV), irregular shape, amorphous nature with reduced crystallinity. The EE% and LC were >90 % and 16%, respectively. The formulations showed >65 % release over 12 h in a greater sustained manner than marketed MTH formulation (Glucophage®) as well as enhanced pharmacokinetics properties and sustained blood glucose lowering effect, even at reduced doses with PEGylated NLCs than Glucophage®. Thus, PEGylated NLC is a promising approach for improved delivery and oral bioavailability of MTH thus encouraging further development of the formulation.
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Manghnani PN, Di Francesco V, Panella La Capria C, Schlich M, Miali ME, Moore TL, Zunino A, Duocastella M, Decuzzi P. Preparation of anisotropic multiscale micro-hydrogels via two-photon continuous flow lithography. J Colloid Interface Sci 2022; 608:622-633. [PMID: 34626997 DOI: 10.1016/j.jcis.2021.09.094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 08/31/2021] [Accepted: 09/17/2021] [Indexed: 12/18/2022]
Abstract
HYPOTHESIS Polymeric anisotropic soft microparticles show interesting behavior in biological environments and hold promise for drug delivery and biomedical applications. However, self-assembly and substrate-based lithographic techniques are limited by low resolution, batch operation or specific particle geometry and deformability. Two-photon polymerization in microfluidic channels may offer the required resolution to continuously fabricate anisotropic micro-hydrogels in sub-10 µm size-range. EXPERIMENTS Here, a pulsed laser source is used to perform two-photon polymerization under microfluidic flow of a poly(ethylene glycol) diacrylate (PEGDA) solution with the objective of realizing anisotropic micro-hydrogels carrying payloads of various nature, including small molecules and nanoparticles. The fabrication process is described via a reactive-convective-diffusion system of equations, whose solution under proper auxiliary conditions is used to corroborate the experimental observations and sample the configuration space. FINDINGS By tuning the flow velocity, exposure time and pre-polymer composition, anisotropic PEGDA micro-hydrogels are obtained in the 1-10 μm size-range and exhibit an aspect ratio varying from 1 to 5. Furthermore, 200 nm curcumin-loaded poly(lactic-co-glycolic acid) (PLGA) nanoparticles and 100 nm ssRNA-encapsulating lipid nanoparticles were entrapped within square PEGDA micro-hydrogels. The proposed approach could support the fabrication of micro-hydrogels of well-defined morphology, stiffness, and surface properties for the sustained release of therapeutic agents.
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Affiliation(s)
- Purnima N Manghnani
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Valentina Di Francesco
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Carlo Panella La Capria
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Michele Schlich
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Marco Elvino Miali
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Thomas Lee Moore
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Alessandro Zunino
- Nanoscopy, CHT Erzelli, Fondazione Istituto Italiano di Tecnologia, Via Enrico Melen 83, Building B, 16152 Genoa, Italy
| | - Marti Duocastella
- Nanoscopy, CHT Erzelli, Fondazione Istituto Italiano di Tecnologia, Via Enrico Melen 83, Building B, 16152 Genoa, Italy; Department of Applied Physics, Universitat de Barcelona, C/Martí i Franquès 1, 08028 Barcelona, Spain
| | - Paolo Decuzzi
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy.
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Hauptstein N, Meinel L, Lühmann T. Bioconjugation strategies and clinical implications of Interferon-bioconjugates. Eur J Pharm Biopharm 2022; 172:157-167. [PMID: 35149191 DOI: 10.1016/j.ejpb.2022.02.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/24/2022] [Accepted: 02/05/2022] [Indexed: 02/08/2023]
Abstract
Interferons (IFN) are immunomodulating, antiviral and antiproliferative cytokines for treatment of multiple indications, including cancer, hepatitis, and autoimmune disease. The first IFNs were discovered in 1957, first approved in 1986, and are nowadays listed in the WHO model list of essential Medicines. Three classes of IFNs are known; IFN-α2a and IFN-β belonging to type-I IFNs, IFN-γ a type-II IFN approved for some hereditary diseases and IFN-λs, which form the newest class of type-III IFNs. IFN-λs were discovered in the last decade with fascinating yet under discovered pharmaceutical potential. This article reviews available IFN drugs, their field and route of application, while also outlining available and future strategies for bioconjugation to further optimize pharmaceutical and clinical performances of all three available IFN classes.
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Affiliation(s)
- Niklas Hauptstein
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, DE-97074, Würzburg, Germany
| | - Lorenz Meinel
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, DE-97074, Würzburg, Germany; Helmholtz Institute for RNA-Based Infection Research (HIRI), Helmholtz Center for Infection Research (HZI), DE-97080 Würzburg, Germany
| | - Tessa Lühmann
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, DE-97074, Würzburg, Germany.
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Lee S, de Rutte J, Dimatteo R, Koo D, Di Carlo D. Scalable Fabrication and Use of 3D Structured Microparticles Spatially Functionalized with Biomolecules. ACS NANO 2022; 16:38-49. [PMID: 34846855 PMCID: PMC10874522 DOI: 10.1021/acsnano.1c05857] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Microparticles with defined shapes and spatial chemical modification can interface with cells and tissues at the cellular scale. However, conventional methods to fabricate shaped microparticles have trade-offs between the throughput of manufacture and the precision of particle shape and chemical functionalization. Here, we achieved scalable production of hydrogel microparticles at rates of greater than 40 million/hour with localized surface chemistry using a parallelized step emulsification device and temperature-induced phase-separation. The approach harnesses a polymerizable polyethylene glycol (PEG) and gelatin aqueous two-phase system (ATPS) which conditionally phase separates within microfluidically generated droplets. Following droplet formation, phase separation is induced and phase separated droplets are subsequently cross-linked to form uniform crescent and hollow shell particles with gelatin functionalization on the boundary of the cavity. The gelatin localization enabled deterministic cell loading in subnanoliter-sized crescent-shaped particles, which we refer to as nanovials, with cavity dimensions tuned to the size of cells. Loading on nanovials also imparted improved cell viability during analysis and sorting using standard fluorescence activated cell sorters, presumably by protecting cells from shear stress. This localization effect was further exploited to selectively functionalize capture antibodies to nanovial cavities enabling single-cell secretion assays with reduced cross-talk in a simplified format.
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Affiliation(s)
- Sohyung Lee
- Department of Chemical and Biomolecular Engineering, University of California- Los Angeles, Los Angeles, CA 90095, USA
| | - Joseph de Rutte
- Partillion Bioscience, Los Angeles, CA 90095, USA
- Department of Bioengineering, University of California- Los Angeles, Los Angeles, California 90095, USA
| | - Robert Dimatteo
- Department of Chemical and Biomolecular Engineering, University of California- Los Angeles, Los Angeles, CA 90095, USA
| | - Doyeon Koo
- Department of Bioengineering, University of California- Los Angeles, Los Angeles, California 90095, USA
| | - Dino Di Carlo
- Department of Bioengineering, University of California- Los Angeles, Los Angeles, California 90095, USA
- Department of Mechanical and Aerospace Engineering, University of California- Los Angeles, Los Angeles, CA 90095, USA
- California NanoSystems Institute (CNSI), University of California- Los Angeles, Los Angeles, CA 90095, USA
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72
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Liu S, Tang J, Ji F, Lin W, Chen S. Recent Advances in Zwitterionic Hydrogels: Preparation, Property, and Biomedical Application. Gels 2022; 8:46. [PMID: 35049581 PMCID: PMC8775195 DOI: 10.3390/gels8010046] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 01/27/2023] Open
Abstract
Nonspecific protein adsorption impedes the sustainability of materials in biologically related applications. Such adsorption activates the immune system by quick identification of allogeneic materials and triggers a rejection, resulting in the rapid failure of implant materials and drugs. Antifouling materials have been rapidly developed in the past 20 years, from natural polysaccharides (such as dextran) to synthetic polymers (such as polyethylene glycol, PEG). However, recent studies have shown that traditional antifouling materials, including PEG, still fail to overcome the challenges of a complex human environment. Zwitterionic materials are a class of materials that contain both cationic and anionic groups, with their overall charge being neutral. Compared with PEG materials, zwitterionic materials have much stronger hydration, which is considered the most important factor for antifouling. Among zwitterionic materials, zwitterionic hydrogels have excellent structural stability and controllable regulation capabilities for various biomedical scenarios. Here, we first describe the mechanism and structure of zwitterionic materials. Following the preparation and property of zwitterionic hydrogels, recent advances in zwitterionic hydrogels in various biomedical applications are reviewed.
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Affiliation(s)
- Sihang Liu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China; (S.L.); (J.T.); (F.J.)
- State Key Laboratory of Advanced Optical Communication Systems and Networks, Key Laboratory for Thin Film and Microfabrication of the Ministry of Education, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jingyi Tang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China; (S.L.); (J.T.); (F.J.)
- Zhejiang Development & Planning Institute, Hangzhou 310030, China
| | - Fangqin Ji
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China; (S.L.); (J.T.); (F.J.)
- Taizhou Technician College, Taizhou 318000, China
| | - Weifeng Lin
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Shengfu Chen
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China; (S.L.); (J.T.); (F.J.)
- Key Laboratory of Biomedical Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China
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73
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Klimkevicius V, Voronovic E, Jarockyte G, Skripka A, Vetrone F, Rotomskis R, Katelnikovas A, Karabanovas V. Polymer brush coated upconverting nanoparticles with improved colloidal stability and cellular labeling. J Mater Chem B 2022; 10:625-636. [PMID: 34989749 DOI: 10.1039/d1tb01644j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Upconverting nanoparticles (UCNPs) possess great potential for biomedical application. UCNPs absorb and convert near-infrared (NIR) radiation in the biological imaging window to visible (Vis) and even ultraviolet (UV) radiation. NIR excitation offers reduced scattering and diminished autofluorescence in biological samples, whereas the emitted UV-Vis and NIR photons can be used for cancer treatment and imaging, respectively. However, UCNPs are usually synthesized in organic solvents and are not readily suitable for biomedical application due to the hydrophobic nature of their surface. Herein, we have removed the hydrophobic ligands from the synthesized UCNPs and coated the bare UCNPs with two custom-made hydrophilic polyelectrolytes (synthesized via the reversible addition-fragmentation chain transfer (RAFT) polymerization method). Polymers containing different amounts of PEGylated and carboxylic groups were studied. Coating with both polymers increased the upconversion (UC) emission intensity and photoluminescence lifetime values of the UCNPs, which directly translates to more efficient cancer cell labeling nanoprobes. The polymer composition plays a crucial role in the modification of UCNPs, not only with respect to their colloidal stability, but also with respect to the cellular uptake. Colloidally unstable bare UCNPs aggregate in cell culture media and precipitate, rendering themselves unsuitable for any biomedical use. However, stabilization with polymers prevents UCNPs from aggregation, increases their uptake in cells, and improves the quality of cellular labeling. This investigation sheds light on the appropriate coating for UCNPs and provides relevant insights for the rational development of imaging and therapeutic tools.
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Affiliation(s)
- Vaidas Klimkevicius
- Institute of Chemistry, Vilnius University, Naugarduko 24, LT-03225, Vilnius, Lithuania.
| | - Evelina Voronovic
- Biomedical Physics Laboratory of National Cancer Institute, Baublio 3B, LT-08406, Vilnius, Lithuania. .,Department of Chemistry and Bioengineering, Vilnius Gediminas Technical University, Saulėtekio 11, LT-10223 Vilnius, Lithuania.,Life Science Center, Vilnius University, Sauletekio av. 7, LT-10257, Vilnius, Lithuania
| | - Greta Jarockyte
- Biomedical Physics Laboratory of National Cancer Institute, Baublio 3B, LT-08406, Vilnius, Lithuania. .,Life Science Center, Vilnius University, Sauletekio av. 7, LT-10257, Vilnius, Lithuania
| | - Artiom Skripka
- Institut National de la Recherche Scientifique, Centre Énergie, Matériaux et Télécommunications, Université du Québec, 1650, boul. Lionel-Boulet, J3X 1S2, Varennes, QC, Canada
| | - Fiorenzo Vetrone
- Institut National de la Recherche Scientifique, Centre Énergie, Matériaux et Télécommunications, Université du Québec, 1650, boul. Lionel-Boulet, J3X 1S2, Varennes, QC, Canada
| | - Ricardas Rotomskis
- Biomedical Physics Laboratory of National Cancer Institute, Baublio 3B, LT-08406, Vilnius, Lithuania. .,Biophotonics Group of Laser Research Centre, Vilnius University, Saulėtekio 9, c.3, LT-10222, Vilnius, Lithuania
| | - Arturas Katelnikovas
- Institute of Chemistry, Vilnius University, Naugarduko 24, LT-03225, Vilnius, Lithuania.
| | - Vitalijus Karabanovas
- Biomedical Physics Laboratory of National Cancer Institute, Baublio 3B, LT-08406, Vilnius, Lithuania. .,Department of Chemistry and Bioengineering, Vilnius Gediminas Technical University, Saulėtekio 11, LT-10223 Vilnius, Lithuania
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74
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Simón-Vázquez R, Tsapis N, Lorscheider M, Rodríguez A, Calleja P, Mousnier L, de Miguel Villegas E, González-Fernández Á, Fattal E. Improving dexamethasone drug loading and efficacy in treating arthritis through a lipophilic prodrug entrapped into PLGA-PEG nanoparticles. Drug Deliv Transl Res 2022; 12:1270-1284. [PMID: 34993924 PMCID: PMC8734546 DOI: 10.1007/s13346-021-01112-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2021] [Indexed: 01/01/2023]
Abstract
Targeted delivery of dexamethasone to inflamed tissues using nanoparticles is much-needed to improve its efficacy while reducing side effects. To drastically improve dexamethasone loading and prevent burst release once injected intravenously, a lipophilic prodrug dexamethasone palmitate (DXP) was encapsulated into poly(DL-lactide-co-glycolide)-polyethylene glycol (PLGA-PEG) nanoparticles (NPs). DXP-loaded PLGA-PEG NPs (DXP-NPs) of about 150 nm with a drug loading as high as 7.5% exhibited low hemolytic profile and cytotoxicity. DXP-NPs were able to inhibit the LPS-induced release of inflammatory cytokines in macrophages. After an intravenous injection to mice, dexamethasone (DXM) pharmacokinetic profile was also significantly improved. The concentration of DXM in the plasma of healthy mice remained high up to 18 h, much longer than the commercial soluble drug dexamethasone phosphate (DSP). Biodistribution studies showed lower DXM concentrations in the liver, kidneys, and lungs when DXP-NPs were administered as compared with the soluble drug. Histology analysis revealed an improvement in the knee structure and reduction of cell infiltration in animals treated with the encapsulated DXP compared with the soluble DSP or non-treated animals. In summary, the encapsulation of a lipidic prodrug of dexamethasone into PLGA-PEG NPs appears as a promising strategy to improve the pharmacological profile and reduce joint inflammation in a murine model of rheumatoid arthritis.
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Affiliation(s)
- Rosana Simón-Vázquez
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296, Châtenay-Malabry, France.,Immunology Group, Centro de Investigaciones Biomédicas, CINBIO, Universidade de Vigo, Campus Universitario Lagoas Marcosende, 36310, Vigo, Spain.,Instituto de Investigación Sanitaria Galicia Sur (IIS-GS), Pontevedra, Spain
| | - Nicolas Tsapis
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296, Châtenay-Malabry, France
| | - Mathilde Lorscheider
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296, Châtenay-Malabry, France
| | - Ainhoa Rodríguez
- Histology service, CINBIO, Universidade de Vigo, Campus Universitario Lagoas Marcosende, 36310, Vigo, Spain
| | - Patricia Calleja
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296, Châtenay-Malabry, France
| | - Ludivine Mousnier
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296, Châtenay-Malabry, France
| | - Encarnación de Miguel Villegas
- Immunology Group, Centro de Investigaciones Biomédicas, CINBIO, Universidade de Vigo, Campus Universitario Lagoas Marcosende, 36310, Vigo, Spain.,Histology service, CINBIO, Universidade de Vigo, Campus Universitario Lagoas Marcosende, 36310, Vigo, Spain
| | - África González-Fernández
- Immunology Group, Centro de Investigaciones Biomédicas, CINBIO, Universidade de Vigo, Campus Universitario Lagoas Marcosende, 36310, Vigo, Spain.,Instituto de Investigación Sanitaria Galicia Sur (IIS-GS), Pontevedra, Spain
| | - Elias Fattal
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296, Châtenay-Malabry, France.
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75
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Gao T, Liu YY, Lou C, Wang H, Liu Y, Cao A. PEGylation of Goldbody: PEG-aided conformational engineering of peptides on gold nanoparticles. RSC Adv 2022; 12:26123-26133. [PMID: 36275117 PMCID: PMC9475419 DOI: 10.1039/d2ra03903f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 09/07/2022] [Indexed: 11/21/2022] Open
Abstract
It is still a great challenge to engineer flexible non-functional molecules into special conformations to carry out novel functions. Previously, we successfully restored the native conformations and functions of the flexible complementary-determining regions (CDRs) of antibodies on the surface of gold nanoparticles (AuNPs), and created a class of AuNP-based artificial antibodies, denoted as Goldbodies. Yet, in these Goldbodies, there are dozens of CDRs on one Goldbody. Herein, we show that the number of CDRs per Goldbody could be reduced by more than one order of magnitude, by replacing the majority of the CDRs with polyethylene glycol (PEG) with a molecular weight around 600 Da, while the native conformations and functions of the CDRs could still be restored on AuNPs. Also, we find that the PEG with two terminal –SH groups is much better than the PEG with a single –SH group for aiding the restoration of the native conformation of the CDRs on AuNPs. To demonstrate the potential generic applicability of the PEGylation in aiding conformational engineering of peptides, two PEGylated Goldbodies have been created, which can specifically recognize lysozyme and epidermal growth factor receptor, respectively. The PEGylated Goldbodies further prove the mechanism of conformational engineering and the “Confined Lowest Energy Fragments” (CLEFs) hypothesis, and pave the way for future applications of Goldbodies. PEG with two terminal –SH groups can help to restore the native conformation of CDRs when PEG and CDRs are conjugated onto AuNPs together, thus creating the PEGylated Goldbody.![]()
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Affiliation(s)
- Tiange Gao
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Yuan-Yuan Liu
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Chenxi Lou
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Haifang Wang
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Yuanfang Liu
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Aoneng Cao
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
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76
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Brannon ER, Guevara MV, Pacifici NJ, Lee JK, Lewis JS, Eniola-Adefeso O. Polymeric particle-based therapies for acute inflammatory diseases. NATURE REVIEWS. MATERIALS 2022; 7:796-813. [PMID: 35874960 PMCID: PMC9295115 DOI: 10.1038/s41578-022-00458-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/09/2022] [Indexed: 05/02/2023]
Abstract
Acute inflammation is essential for initiating and coordinating the body's response to injuries and infections. However, in acute inflammatory diseases, inflammation is not resolved but propagates further, which can ultimately lead to tissue damage such as in sepsis, acute respiratory distress syndrome and deep vein thrombosis. Currently, clinical protocols are limited to systemic steroidal treatments, fluids and antibiotics that focus on eradicating inflammation rather than modulating it. Strategies based on stem cell therapeutics and selective blocking of inflammatory molecules, despite showing great promise, still lack the scalability and specificity required to treat acute inflammation. By contrast, polymeric particle systems benefit from uniform manufacturing at large scales while preserving biocompatibility and versatility, thus providing an ideal platform for immune modulation. Here, we outline design aspects of polymeric particles including material, size, shape, deformability and surface modifications, providing a strategy for optimizing the targeting of acute inflammation.
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Affiliation(s)
- Emma R. Brannon
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI USA
| | | | - Noah J. Pacifici
- Department of Biomedical Engineering, University of California, Davis, CA USA
| | - Jonathan K. Lee
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI USA
| | - Jamal S. Lewis
- Department of Biomedical Engineering, University of California, Davis, CA USA
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77
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Serumula W, Fernandez G, Gonzalez VM, Parboosing R. Anti-HIV Aptamers: Challenges and Prospects. Curr HIV Res 2022; 20:7-19. [PMID: 34503417 DOI: 10.2174/1570162x19666210908114825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 08/06/2021] [Accepted: 08/11/2021] [Indexed: 02/08/2023]
Abstract
Human Immunodeficiency Virus (HIV) infection continues to be a significant health burden in many countries around the world. Current HIV treatment through a combination of different antiretroviral drugs (cART) effectively suppresses viral replication, but drug resistance and crossresistance are significant challenges. This has prompted the search for novel targets and agents, such as nucleic acid aptamers. Nucleic acid aptamers are oligonucleotides that attach to the target sites with high affinity and specificity. This review provides a target-by-target account of research into anti-HIV aptamers and summarises the challenges and prospects of this therapeutic strategy, specifically in the unique context of HIV infection.
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Affiliation(s)
- William Serumula
- Department of Virology, National Health Laboratory Service, University of KwaZulu-Natal, c/o Inkosi Albert Luthuli Central Hospital, 5th Floor Laboratory Building, 800 Bellair Road, Mayville, Durban 4091, South Africa
| | - Geronimo Fernandez
- Departamento de Bioquímica-Investigación, Aptus Biotech SL, Avda. Cardenal Herrera Oria, 298-28035 Madrid. Spain
| | - Victor M Gonzalez
- Departamento de Bioquímica-Investigación, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS)-Hospital Ramón y Cajal, 28034 Madrid, Spain
| | - Raveen Parboosing
- Department of Virology, National Health Laboratory Service, University of KwaZulu-Natal, c/o Inkosi Albert Luthuli Central Hospital, 5th Floor Laboratory Building, 800 Bellair Road, Mayville, Durban 4091, South Africa
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78
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Lin HC, Chiang HP, Jiang WP, Lan YH, Huang GJ, Hsieh MT, Kuo SC, Lo CL, Chiang YT. Exploitation of a rod-shaped, acid-labile curcumin-loaded polymeric nanogel system in the treatment of systemic inflammation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 133:112597. [DOI: 10.1016/j.msec.2021.112597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 10/19/2022]
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79
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Manuja A, Kumar B, Kumar R, Chhabra D, Ghosh M, Manuja M, Brar B, Pal Y, Tripathi B, Prasad M. Metal/metal oxide nanoparticles: Toxicity concerns associated with their physical state and remediation for biomedical applications. Toxicol Rep 2021; 8:1970-1978. [PMID: 34934635 PMCID: PMC8654697 DOI: 10.1016/j.toxrep.2021.11.020] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 10/27/2021] [Accepted: 11/27/2021] [Indexed: 12/19/2022] Open
Abstract
Metal/metal oxide nanoparticles show promise for various applications, including diagnosis, treatment, theranostics, sensors, cosmetics, etc. Their altered chemical, optical, magnetic, and structural properties have differential toxicity profiles. Depending upon their physical state, these NPs can also change their properties due to alteration in pH, interaction with proteins, lipids, blood cells, and genetic material. Metallic nanomaterials (comprised of a single metal element) tend to be relatively stable and do not readily undergo dissolution. Contrarily, metal oxide and metal alloy-based nanomaterials tend to exhibit a lower degree of stability and are more susceptible to dissolution and ion release when introduced to a biological milieu, leading to reactive oxygen species production and oxidative stress to cells. Since NPs have considerable mobility in various biological tissues, the investigation related to their adverse effects is a critical issue and required to be appropriately addressed before their biomedical applications. Short and long-term toxicity assessment of metal/metal oxide nanoparticles or their nano-formulations is of paramount importance to ensure the global biome's safety; otherwise, to face a fiasco. This article provides a comprehensive introspection regarding the effects of metal/metal oxides' physical state, their surface properties, the possible mechanism of actions along with the potential future strategy for remediation of their toxic effects.
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Affiliation(s)
- Anju Manuja
- ICAR-National Research Centre on Equines Sirsa Road, Hisar, Haryana, India
| | - Balvinder Kumar
- ICAR-National Research Centre on Equines Sirsa Road, Hisar, Haryana, India
| | - Rajesh Kumar
- Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Dharvi Chhabra
- ICAR-National Research Centre on Equines Sirsa Road, Hisar, Haryana, India
| | - Mayukh Ghosh
- Department of Veterinary Physiology and Biochemistry, RGSC, Banaras Hindu University, Mirzapur, UP, 231001, India
| | - Mayank Manuja
- Birla Institute of Technology and Science, Pilani, Goa Campus, Goa, India
| | - Basanti Brar
- Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Yash Pal
- ICAR-National Research Centre on Equines Sirsa Road, Hisar, Haryana, India
| | - B.N. Tripathi
- ICAR-National Research Centre on Equines Sirsa Road, Hisar, Haryana, India
| | - Minakshi Prasad
- Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
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80
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Nikfar M, Razizadeh M, Paul R, Muzykantov V, Liu Y. A numerical study on drug delivery via multiscale synergy of cellular hitchhiking onto red blood cells. NANOSCALE 2021; 13:17359-17372. [PMID: 34590654 PMCID: PMC10169096 DOI: 10.1039/d1nr04057j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Red blood cell (RBC)-hitchhiking, in which different nanocarriers (NCs) shuttle on the erythrocyte membrane and disassociate from RBCs to the first organ downstream of the intravenous injection spot, has recently been introduced as a solution to enhance target site uptake. Several experimental studies have already approved that cellular hitchhiking onto the RBC membrane can improve the delivery of a wide range of NCs in mice, pigs, and ex vivo human lungs. In these studies, the impact of NC size, NC surface chemistry, and shear rate on the delivery process and biodistribution has been widely explored. To shed light on the underlying physics in this type of drug delivery system, we present a computational platform in the context of the lattice Boltzmann method, spring connected network, and frictional immersed boundary method. The proposed algorithm simulates nanoparticle (NP) dislodgment from the RBC surface in shear flow and biomimetic microfluidic channels. The numerical simulations are performed for various NP sizes and RBC-NP adhesion strengths. In shear flow, NP detachment increases upon increasing the shear rate. RBC-RBC interaction can also significantly boost shear-induced particle detachment. Larger NPs have a higher propensity to be disconnected from the RBC surface. The results illustrate that changing the interaction between the NPs and RBCs can control the desorption process. All the findings agree with in vivo and in vitro experimental observations. We believe that the proposed setup can be exploited as a predictive tool to estimate optimum parameters in NP-bound RBCs for better targeting procedures in tissue microvasculature.
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Affiliation(s)
- Mehdi Nikfar
- Department of Mechanical Engineering and Mechanics, Lehigh University, Bethlehem, Pennsylvania 18015, USA.
| | - Meghdad Razizadeh
- Department of Mechanical Engineering and Mechanics, Lehigh University, Bethlehem, Pennsylvania 18015, USA.
| | - Ratul Paul
- Department of Mechanical Engineering and Mechanics, Lehigh University, Bethlehem, Pennsylvania 18015, USA.
| | - Vladimir Muzykantov
- Department of Systems Pharmacology and Translational Therapeutics and Center for Translational Targeted Therapeutics and Nanomedicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yaling Liu
- Department of Mechanical Engineering and Mechanics, Lehigh University, Bethlehem, Pennsylvania 18015, USA.
- Department of Bioengineering, Lehigh University, Bethlehem, Pennsylvania 18015, USA
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81
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Ogawa K, Katsumi H, Takata K, Nomura D, Moroto Y, Kitamura H, Takaki C, Morishita M, Yamamoto A. Orthogonal characterization and pharmacokinetic studies of polylactide-polyethyleneglycol polymeric nanoparticles with different physicochemical properties. Int J Pharm 2021; 608:121120. [PMID: 34560212 DOI: 10.1016/j.ijpharm.2021.121120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 09/13/2021] [Accepted: 09/17/2021] [Indexed: 12/18/2022]
Abstract
To optimize prolonged and sustained delivery of polylactide-block-polyethyleneglycol polymeric nanoparticles (PLA-PEG NPs), in terms of the PLA isomer and molecular weight, we performed orthogonal physicochemical characterization and evaluated the pharmacokinetics of tamoxifen (TAM)-loaded PLA-PEG NPs. DL-lactide- (DL-PEG NP), L-lactide- (L-PEG NPs), and stereocomplex-based (SC-PEG NPs) PLA-PEGs, with two different PLA to PEG ratios (12k-5k and 5k-5k Da) were synthesized, and NPs were prepared by anti-solvent precipitation. Size exclusion chromatography, multi-angle light scattering, dynamic light scattering, and 1H nuclear magnetic resonance studies revealed that SC-PEG NPs (12k-5k) had a compact structure and the highest PEG density, followed by L-PEG NPs (12k-5k), DL-PEG NPs (12k-5k), and all PLA-PEG NPs (5k-5k). Additionally, solid-phase extraction indicated that SC-PEG NPs (12k-5k) had the highest drug loading content and the lowest surface TAM adsorption, of the PLA-PEGs evaluated. These results were explained by the crystallinity of the PLA core, which was analyzed by X-ray diffraction. In the pharmacokinetic studies, 14C-TAM-loaded 111In-SC-PEG NPs (12k-5k) exhibited the highest area under the plasma concentration-time curve, followed by L-PEG NPs (12k-5k) and DL-PEG NPs (12k-5k), after intravenous injection in mice. These results indicate that SC-PEG NPs (12k-5k) are promising drug carriers for the sustained and prolonged delivery of TAM.
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Affiliation(s)
- Kohei Ogawa
- Formulation R&D Laboratory, CMC R&D Division, Shionogi Co. Ltd., Amagasaki-shi, Hyogo 660-0813, Japan; Department of Biopharmaceutics, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto 607-8414, Japan
| | - Hidemasa Katsumi
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto 607-8414, Japan.
| | - Kazuyuki Takata
- Formulation R&D Laboratory, CMC R&D Division, Shionogi Co. Ltd., Amagasaki-shi, Hyogo 660-0813, Japan
| | - Daiki Nomura
- Formulation R&D Laboratory, CMC R&D Division, Shionogi Co. Ltd., Amagasaki-shi, Hyogo 660-0813, Japan
| | - Yasushi Moroto
- Formulation R&D Laboratory, CMC R&D Division, Shionogi Co. Ltd., Amagasaki-shi, Hyogo 660-0813, Japan
| | - Hideyuki Kitamura
- Formulation R&D Laboratory, CMC R&D Division, Shionogi Co. Ltd., Amagasaki-shi, Hyogo 660-0813, Japan
| | - Chise Takaki
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto 607-8414, Japan
| | - Masaki Morishita
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto 607-8414, Japan
| | - Akira Yamamoto
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto 607-8414, Japan
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82
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Loiseau A, Boudon J, Mirjolet C, Morgand V, Millot N. About the Influence of PEG Spacers on the Cytotoxicity of Titanate Nanotubes-Docetaxel Nanohybrids against a Prostate Cancer Cell Line. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2733. [PMID: 34685172 PMCID: PMC8539671 DOI: 10.3390/nano11102733] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 12/16/2022]
Abstract
The association between chemotherapeutic drugs and metal oxide nanoparticles has sparked a rapidly growing interest in cancer nanomedicine. The elaboration of new engineered docetaxel (DTX)-nanocarriers based on titanate nanotubes (TiONts) was reported. The idea was to maintain the drug inside cancer cells and avoid multidrug resistance mechanisms, which often limit drug efficacy by decreasing their intracellular concentrations in tumor cells. HS-PEGn-COOH (PEG: polyethylene glycol, n = 3000, 5000, 10,000) was conjugated, in an organic medium by covalent linkages, on TiONts surface. This study aimed to investigate the influence of different PEG derivatives chain lengths on the TiONts colloidal stability, on the PEGn density and conformation, as well as on the DTX biological activity in a prostate cancer model (human PC-3 prostate adenocarcinoma cells). In vitro tests highlighted significant cytotoxicities of the drug after loading DTX on PEGn-modified TiONts (TiONts-PEGn-DTX). Higher grafting densities for shorter PEGylated chains were most favorable on DTX cytotoxicity by promoting both colloidal stability in biological media and cells internalization. This promising strategy involves a better understanding of nanohybrid engineering, particularly on the PEGylated chain length influence, and can thus become a potent tool in nanomedicine to fight against cancer.
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Affiliation(s)
- Alexis Loiseau
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS Université Bourgogne Franche-Comté, BP 47870, CEDEX, 21078 Dijon, France;
| | - Julien Boudon
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS Université Bourgogne Franche-Comté, BP 47870, CEDEX, 21078 Dijon, France;
| | - Céline Mirjolet
- INSERM 1231, Cadir Team, CEDEX, 21078 Dijon, France;
- Radiotherapy Department, Georges-Francois Leclerc Cancer Center, CEDEX, 21079 Dijon, France;
| | - Véronique Morgand
- Radiotherapy Department, Georges-Francois Leclerc Cancer Center, CEDEX, 21079 Dijon, France;
| | - Nadine Millot
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS Université Bourgogne Franche-Comté, BP 47870, CEDEX, 21078 Dijon, France;
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83
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Stawicki CM, Rinker TE, Burns M, Tonapi SS, Galimidi RP, Anumala D, Robinson JK, Klein JS, Mallick P. Modular fluorescent nanoparticle DNA probes for detection of peptides and proteins. Sci Rep 2021; 11:19921. [PMID: 34620912 PMCID: PMC8497506 DOI: 10.1038/s41598-021-99084-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 09/20/2021] [Indexed: 02/08/2023] Open
Abstract
Fluorescently labeled antibody and aptamer probes are used in biological studies to characterize binding interactions, measure concentrations of analytes, and sort cells. Fluorescent nanoparticle labels offer an excellent alternative to standard fluorescent labeling strategies due to their enhanced brightness, stability and multivalency; however, challenges in functionalization and characterization have impeded their use. This work introduces a straightforward approach for preparation of fluorescent nanoparticle probes using commercially available reagents and common laboratory equipment. Fluorescent polystyrene nanoparticles, Thermo Fisher Scientific FluoSpheres, were used in these proof-of-principle studies. Particle passivation was achieved by covalent attachment of amine-PEG-azide to carboxylated particles, neutralizing the surface charge from - 43 to - 15 mV. A conjugation-annealing handle and DNA aptamer probe were attached to the azide-PEG nanoparticle surface either through reaction of pre-annealed handle and probe or through a stepwise reaction of the nanoparticles with the handle followed by aptamer annealing. Nanoparticles functionalized with DNA aptamers targeting histidine tags and VEGF protein had high affinity (EC50s ranging from 3 to 12 nM) and specificity, and were more stable than conventional labels. This protocol for preparation of nanoparticle probes relies solely on commercially available reagents and common equipment, breaking down the barriers to use nanoparticles in biological experiments.
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Affiliation(s)
| | - Torri E Rinker
- Nautilus Biotechnology, 201 Industrial Rd #310, San Carlos, CA, 94070, USA.
| | - Markus Burns
- Nautilus Biotechnology, 201 Industrial Rd #310, San Carlos, CA, 94070, USA
| | - Sonal S Tonapi
- Nautilus Biotechnology, 201 Industrial Rd #310, San Carlos, CA, 94070, USA
| | - Rachel P Galimidi
- Nautilus Biotechnology, 201 Industrial Rd #310, San Carlos, CA, 94070, USA
| | - Deepthi Anumala
- Nautilus Biotechnology, 201 Industrial Rd #310, San Carlos, CA, 94070, USA
| | - Julia K Robinson
- Nautilus Biotechnology, 201 Industrial Rd #310, San Carlos, CA, 94070, USA
| | - Joshua S Klein
- Nautilus Biotechnology, 201 Industrial Rd #310, San Carlos, CA, 94070, USA
| | - Parag Mallick
- Nautilus Biotechnology, 201 Industrial Rd #310, San Carlos, CA, 94070, USA
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84
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Palomba R, di Francesco M, di Francesco V, Piccardi F, Catelani T, Ferreira M, Palange AL, Decuzzi P. Boosting nanomedicine performance by conditioning macrophages with methyl palmitate nanoparticles. MATERIALS HORIZONS 2021; 8:2726-2741. [PMID: 34617542 PMCID: PMC8489400 DOI: 10.1039/d1mh00937k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 06/23/2021] [Indexed: 05/22/2023]
Abstract
Surface PEGylation, biological camouflage, shape and stiffness modulation of nanoparticles as well as liver blockade and macrophage depletion have all improved the blood longevity of nanomedicines. Yet, the mononuclear phagocytic system still recognizes, sequesters, and processes the majority of blood borne particles. Here, the natural fatty acid methyl palmitate is combined with endogenous blood components - albumin - realizing ∼200 nm stable, spherical nanoparticles (MPN) capable of inducing a transient and reversible state of dormancy into macrophages. In primary bone marrow derived monocytes (BMDM), the rate of internalization of 5 different particles, ranging in size from 200 up to 2000 nm, with spherical and discoidal shapes, and made out of lipids and polymers, was almost totally inhibited after an overnight pre-treatment with 0.5 mM MPN. Microscopy analyses revealed that MPN reversibly reduced the extension and branching complexity of the microtubule network in BMDM, thus altering membrane bulging and motility. In immunocompetent mice, a 4 h pre-treatment with MPN was sufficient to redirect 2000 nm rigid particles from the liver to the lungs realizing a lung-to-liver accumulation ratio larger than 2. Also, in mice bearing U87-MG tumor masses, a 4 h pre-treatment with MPN enhanced the therapeutic efficacy of docetaxel-loaded nanoparticles significantly inhibiting tumor growth. The natural liver sequestering function was fully recovered overnight. This data would suggest that MPN pre-treatment could transiently and reversibly inhibit non-specific particle sequestration, thus redirecting nanomedicines towards their specific target tissue while boosting their anti-cancer efficacy and imaging capacity.
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Affiliation(s)
- Roberto Palomba
- Laboratory of Nanotechnology for Precision Medicine - Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy.
| | - Martina di Francesco
- Laboratory of Nanotechnology for Precision Medicine - Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy.
| | - Valentina di Francesco
- Laboratory of Nanotechnology for Precision Medicine - Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy.
- Department of Informatics, Bioengineering, Robotics and System Engineering, University of Genoa, Via Opera Pia, 13, Genoa 16145, Italy
| | - Federica Piccardi
- Animal Facility - Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy
| | - Tiziano Catelani
- Electron Microscopy Facility - Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy
| | - Miguel Ferreira
- Laboratory of Nanotechnology for Precision Medicine - Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy.
| | - Anna Lisa Palange
- Laboratory of Nanotechnology for Precision Medicine - Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy.
| | - Paolo Decuzzi
- Laboratory of Nanotechnology for Precision Medicine - Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy.
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85
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Kapate N, Clegg JR, Mitragotri S. Non-spherical micro- and nanoparticles for drug delivery: Progress over 15 years. Adv Drug Deliv Rev 2021; 177:113807. [PMID: 34023331 DOI: 10.1016/j.addr.2021.05.017] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/13/2021] [Accepted: 05/16/2021] [Indexed: 12/11/2022]
Abstract
Shape of particulate drug carries has been identified as a key parameter in determining their biological outcome. In this review, we analyze the field of particle shape as it shifts from fundamental investigations to contemporary applications for disease treatment, while highlighting outstanding remaining questions. We summarize fabrication and characterization methods and discuss in depth how particle shape influences biological interactions with cells, transport in the vasculature, targeting in the body, and modulation of the immune response. As the field moves from discoveries to applications, further attention needs to be paid to factors such as characterization and quality control, selection of model organisms, and disease models. Taken together, these aspects will provide a conceptual foundation for designing future non-spherical drug carriers to overcome biological barriers and improve therapeutic efficacy.
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Affiliation(s)
- Neha Kapate
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - John R Clegg
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - Samir Mitragotri
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA.
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86
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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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87
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Chen X, Zhuang Y, Rampal N, Hewitt R, Divitini G, O’Keefe CA, Liu X, Whitaker DJ, Wills JW, Jugdaohsingh R, Powell JJ, Yu H, Grey CP, Scherman OA, Fairen-Jimenez D. Formulation of Metal-Organic Framework-Based Drug Carriers by Controlled Coordination of Methoxy PEG Phosphate: Boosting Colloidal Stability and Redispersibility. J Am Chem Soc 2021; 143:13557-13572. [PMID: 34357768 PMCID: PMC8414479 DOI: 10.1021/jacs.1c03943] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Indexed: 12/16/2022]
Abstract
Metal-organic framework nanoparticles (nanoMOFs) have been widely studied in biomedical applications. Although substantial efforts have been devoted to the development of biocompatible approaches, the requirement of tedious synthetic steps, toxic reagents, and limitations on the shelf life of nanoparticles in solution are still significant barriers to their translation to clinical use. In this work, we propose a new postsynthetic modification of nanoMOFs with phosphate-functionalized methoxy polyethylene glycol (mPEG-PO3) groups which, when combined with lyophilization, leads to the formation of redispersible solid materials. This approach can serve as a facile and general formulation method for the storage of bare or drug-loaded nanoMOFs. The obtained PEGylated nanoMOFs show stable hydrodynamic diameters, improved colloidal stability, and delayed drug-release kinetics compared to their parent nanoMOFs. Ex situ characterization and computational studies reveal that PEGylation of PCN-222 proceeds in a two-step fashion. Most importantly, the lyophilized, PEGylated nanoMOFs can be completely redispersed in water, avoiding common aggregation issues that have limited the use of MOFs in the biomedical field to the wet form-a critical limitation for their translation to clinical use as these materials can now be stored as dried samples. The in vitro performance of the addition of mPEG-PO3 was confirmed by the improved intracellular stability and delayed drug-release capability, including lower cytotoxicity compared with that of the bare nanoMOFs. Furthermore, z-stack confocal microscopy images reveal the colocalization of bare and PEGylated nanoMOFs. This research highlights a facile PEGylation method with mPEG-PO3, providing new insights into the design of promising nanocarriers for drug delivery.
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Affiliation(s)
- Xu Chen
- The
Adsorption & Advanced Materials Laboratory (AML),
Department of Chemical Engineering & Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, United
Kingdom
| | - Yunhui Zhuang
- The
Adsorption & Advanced Materials Laboratory (AML),
Department of Chemical Engineering & Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, United
Kingdom
| | - Nakul Rampal
- The
Adsorption & Advanced Materials Laboratory (AML),
Department of Chemical Engineering & Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, United
Kingdom
| | - Rachel Hewitt
- Biominerals
Research Laboratory & Cellular Imaging and Analysis Facility,
Department of Veterinary Medicine, University
of Cambridge, Madingley Road, Cambridge CB3 0ES, United Kingdom
| | - Giorgio Divitini
- Electron
Microscopy Group, Department of Materials Science and Metallurgy, University of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, United
Kingdom
| | - Christopher A. O’Keefe
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - Xiewen Liu
- The
Adsorption & Advanced Materials Laboratory (AML),
Department of Chemical Engineering & Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, United
Kingdom
| | - Daniel J. Whitaker
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - John W. Wills
- Biominerals
Research Laboratory & Cellular Imaging and Analysis Facility,
Department of Veterinary Medicine, University
of Cambridge, Madingley Road, Cambridge CB3 0ES, United Kingdom
| | - Ravin Jugdaohsingh
- Biominerals
Research Laboratory & Cellular Imaging and Analysis Facility,
Department of Veterinary Medicine, University
of Cambridge, Madingley Road, Cambridge CB3 0ES, United Kingdom
| | - Jonathan J. Powell
- Biominerals
Research Laboratory & Cellular Imaging and Analysis Facility,
Department of Veterinary Medicine, University
of Cambridge, Madingley Road, Cambridge CB3 0ES, United Kingdom
| | - Han Yu
- School
of Chemical and Environmental Engineering, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, P. R. China
| | - Clare P. Grey
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - Oren A. Scherman
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - David Fairen-Jimenez
- The
Adsorption & Advanced Materials Laboratory (AML),
Department of Chemical Engineering & Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, United
Kingdom
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88
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Becicka WM, Bielecki PA, Lorkowski ME, Moon TJ, Zhang Y, Atukorale PU, Covarrubias G, Karathanasis E. The effect of PEGylation on the efficacy and uptake of an immunostimulatory nanoparticle in the tumor immune microenvironment. NANOSCALE ADVANCES 2021; 3:4961-4972. [PMID: 34485818 PMCID: PMC8386411 DOI: 10.1039/d1na00308a] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 07/23/2021] [Indexed: 05/28/2023]
Abstract
The efficacy of immunotherapies is often limited by the immunosuppressive tumor microenvironment, which is populated with dysfunctional innate immune cells. To reprogram the tumor-resident innate immune cells, we developed immunostimulatory silica mesoporous nanoparticles (immuno-MSN). The cargo of immuno-MSN is a Stimulator of Interferon Gene (STING) agonist, which activates innate immune cells leading to production of interferon (IFN) β. By proficiently trafficking its cargo into immune cells, the immuno-MSN induced a 9-fold increase of IFN-β secretion compared to free agonist. While an external PEG shield has historically been used to protect nanoparticles from immune recognition, a PEGylated immunostimulatory nanoparticle needs to strike a balance between immune evasion to avoid off-site accumulation and uptake by target immune cells in tumors. Using the 4T1 mouse model of metastatic breast cancer and flow cytometry, it was determined that the degree of PEGylation significantly influenced the uptake of 'empty' MSNs by tumor-resident innate immune cells. This was not the case for the agonist-loaded immuno-MSN variants. It should be noted the surface charge of the 'empty' MSNs was positive rather than neutral for the agonist-loaded immuno-MSNs. However, even though the cellular uptake was similar at 24 h after injection for the three immuno-MSN variants, we observed a significant beneficial effect on the activation and expansion of APCs especially in lung metastasis using the lightly PEGylated immuno-MSN variant.
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Affiliation(s)
- Wyatt M Becicka
- Department of Biomedical Engineering, Case Western Reserve University Cleveland OH USA
| | - Peter A Bielecki
- Department of Biomedical Engineering, Case Western Reserve University Cleveland OH USA
- Case Comprehensive Cancer Center, Case Western Reserve University Cleveland OH USA
| | - Morgan E Lorkowski
- Department of Biomedical Engineering, Case Western Reserve University Cleveland OH USA
| | - Taylor J Moon
- Department of Biomedical Engineering, Case Western Reserve University Cleveland OH USA
| | - Yahan Zhang
- Department of Biomedical Engineering, Case Western Reserve University Cleveland OH USA
| | - Prabhani U Atukorale
- Department of Biomedical Engineering, Case Western Reserve University Cleveland OH USA
- Case Comprehensive Cancer Center, Case Western Reserve University Cleveland OH USA
| | - Gil Covarrubias
- Department of Biomedical Engineering, Case Western Reserve University Cleveland OH USA
- Case Comprehensive Cancer Center, Case Western Reserve University Cleveland OH USA
| | - Efstathios Karathanasis
- Department of Biomedical Engineering, Case Western Reserve University Cleveland OH USA
- Case Comprehensive Cancer Center, Case Western Reserve University Cleveland OH USA
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89
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Dahanayake V, Lyons T, Kerwin B, Rodriguez O, Albanese C, Parasido E, Lee Y, Keuren EV, Li L, Maxey E, Paunesku T, Woloschak G, Stoll SL. Paramagnetic Mn 8Fe 4- co-Polystyrene Nanobeads as a Potential T 1-T 2 Multimodal Magnetic Resonance Imaging Contrast Agent with In Vivo Studies. ACS APPLIED MATERIALS & INTERFACES 2021; 13:39042-39054. [PMID: 34375073 PMCID: PMC10506655 DOI: 10.1021/acsami.1c09232] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In developing a cluster-nanocarrier design, as a magnetic resonance imaging contrast agent, we have investigated the enhanced relaxivity of a manganese and iron-oxo cluster grafted within a porous polystyrene nanobead with increased relaxivity due to a higher surface area. The synthesis of the cluster-nanocarrier for the cluster Mn8Fe4O12(O2CC6H4CH═CH2)16(H2O)4, cross-linked with polystyrene (the nanocarrier), under miniemulsion conditions is described. By including a branched hydrophobe, iso-octane, the resulting nanobeads are porous and ∼70 nm in diameter. The increased surface area of the nanobeads compared to nonporous nanobeads leads to an enhancement in relaxivity; r1 increases from 3.8 to 5.2 ± 0.1 mM-1 s-1, and r2 increases from 11.9 to 50.1 ± 4.8 mM-1 s-1, at 9.4 teslas, strengthening the potential for T1 and T2 imaging. Several metrics were used to assess stability, and the porosity produced no reduction in metal stability. Synchrotron X-ray fluorescence microscopy was used to demonstrate that the nanobeads remain intact in vivo. In depth, physicochemical characteristics were determined, including extensive pharmacokinetics, in vivo imaging, and systemic biodistribution analysis.
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Affiliation(s)
- Vidumin Dahanayake
- Department of Chemistry, Georgetown University, 37th and O Streets NW, Washington, D.C. 20057, United States
| | - Trevor Lyons
- Department of Chemistry, Georgetown University, 37th and O Streets NW, Washington, D.C. 20057, United States
| | - Brendan Kerwin
- Department of Chemistry, Georgetown University, 37th and O Streets NW, Washington, D.C. 20057, United States
| | - Olga Rodriguez
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, D.C. 20057, United States
| | - Christopher Albanese
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, D.C. 20057, United States
- Department of Radiology, Georgetown University Medical Center, Washington, D.C. 20057, United States
| | - Erika Parasido
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, D.C. 20057, United States
| | - Yichien Lee
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, D.C. 20057, United States
| | - Edward Van Keuren
- Department of Physics and Institute for Soft Matter Synthesis and Metrology, Georgetown University, 37th and O Streets NW, Washington, D.C. 20057, United States
| | - Luxi Li
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States
| | - Evan Maxey
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States
| | - Tatjana Paunesku
- Department of Radiation Oncology, Northwestern University, 303 E. Chicago Ave., Chicago, Illinois 60611, United States
| | - Gayle Woloschak
- Department of Radiation Oncology, Northwestern University, 303 E. Chicago Ave., Chicago, Illinois 60611, United States
| | - Sarah L Stoll
- Department of Chemistry, Georgetown University, 37th and O Streets NW, Washington, D.C. 20057, United States
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90
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Chávez M, Fernández-Merino Á, Sánchez-Obrero G, Madueño R, Sevilla JM, Blázquez M, Pineda T. Distinct thermoresponsive behaviour of oligo- and poly-ethylene glycol protected gold nanoparticles in concentrated salt solutions. NANOSCALE ADVANCES 2021; 3:4767-4779. [PMID: 36134318 PMCID: PMC9417796 DOI: 10.1039/d1na00392e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 07/02/2021] [Indexed: 05/09/2023]
Abstract
In this work, the methoxy terminated oligo- and polyethylene glycol of different chain lengths (EGn, n = 7, 18, 45 and 136) is grafted on AuNP surfaces under conditions where they attain maximum grafting densities. These EGn-AuNPs gain stability relative to the pristine c-AuNPs in aqueous solutions and in a wide temperature interval and they form stable suspensions in solutions of high NaCl concentrations. To show the thermoresponsive properties of these EGn-AuNPs, temperature titration experiments are carried out in the presence of increasing amounts of salts. The concentrations of NaCl are chosen by checking the stability of EGn-AuNPs at room temperature and choosing the highest concentrations that allow them to form stable suspensions. The analysis of the temperature titration experiments monitored by UV-visible spectroscopy and dynamic light scattering allows us to establish the existence of transitions from individual to assembled nanoparticles, the reversibility of the temperature transitions and hysteretic behaviour in these systems. While EG7-AuNPs only show reversible temperature transitions in the presence of 5 mM NaCl, EG18-AuNPs do up to 1 M NaCl, becoming only partially reversible in 2 M NaCl. The titrations of EG45-AuNPs in 3 and 5 M NaCl show irreversible temperature transitions. Finally, EG136-AuNPs present a complex and interesting behaviour with two temperature transitions, the first one showing hysteresis and the second being reversible.
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Affiliation(s)
- Miriam Chávez
- Department of Physical Chemistry and Applied Thermodynamics, Institute of Fine Chemistry and Nanochemistry, University of Cordoba, Campus Rabanales Ed. Marie Curie 2a Planta E-14014 Córdoba Spain
| | - Ángela Fernández-Merino
- Department of Physical Chemistry and Applied Thermodynamics, Institute of Fine Chemistry and Nanochemistry, University of Cordoba, Campus Rabanales Ed. Marie Curie 2a Planta E-14014 Córdoba Spain
| | - Guadalupe Sánchez-Obrero
- Department of Physical Chemistry and Applied Thermodynamics, Institute of Fine Chemistry and Nanochemistry, University of Cordoba, Campus Rabanales Ed. Marie Curie 2a Planta E-14014 Córdoba Spain
| | - Rafael Madueño
- Department of Physical Chemistry and Applied Thermodynamics, Institute of Fine Chemistry and Nanochemistry, University of Cordoba, Campus Rabanales Ed. Marie Curie 2a Planta E-14014 Córdoba Spain
| | - José Manuel Sevilla
- Department of Physical Chemistry and Applied Thermodynamics, Institute of Fine Chemistry and Nanochemistry, University of Cordoba, Campus Rabanales Ed. Marie Curie 2a Planta E-14014 Córdoba Spain
| | - Manuel Blázquez
- Department of Physical Chemistry and Applied Thermodynamics, Institute of Fine Chemistry and Nanochemistry, University of Cordoba, Campus Rabanales Ed. Marie Curie 2a Planta E-14014 Córdoba Spain
| | - Teresa Pineda
- Department of Physical Chemistry and Applied Thermodynamics, Institute of Fine Chemistry and Nanochemistry, University of Cordoba, Campus Rabanales Ed. Marie Curie 2a Planta E-14014 Córdoba Spain
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91
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Shi L, Zhang J, Zhao M, Tang S, Cheng X, Zhang W, Li W, Liu X, Peng H, Wang Q. Effects of polyethylene glycol on the surface of nanoparticles for targeted drug delivery. NANOSCALE 2021; 13:10748-10764. [PMID: 34132312 DOI: 10.1039/d1nr02065j] [Citation(s) in RCA: 240] [Impact Index Per Article: 80.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The rapid development of drug nanocarriers has benefited from the surface hydrophilic polymers of particles, which has improved the pharmacokinetics of the drugs. Polyethylene glycol (PEG) is a kind of polymeric material with unique hydrophilicity and electrical neutrality. PEG coating is a crucial factor to improve the biophysical and chemical properties of nanoparticles and is widely studied. Protein adherence and macrophage removal are effectively relieved due to the existence of PEG on the particles. This review discusses the PEGylation methods of nanoparticles and related techniques that have been used to detect the PEG coverage density and thickness on the surface of the nanoparticles in recent years. The molecular weight (MW) and coverage density of the PEG coating on the surface of nanoparticles are then described to explain the effects on the biophysical and chemical properties of nanoparticles.
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Affiliation(s)
- Liwang Shi
- Department of Pharmaceutics, Daqing Campus of Harbin Medical University, 1 Xinyang Rd., Daqing 163319, China.
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92
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Huynh GT, Henderson EC, Frith JE, Meagher L, Corrie SR. Stability and Performance Study of Fluorescent Organosilica pH Nanosensors. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:6578-6587. [PMID: 34009994 DOI: 10.1021/acs.langmuir.1c00936] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Long-term stability and function are key challenges for optical nanosensors operating in complex biological environments. While much focus is rightly placed on issues related to specificity, sensitivity, reversibility, and response time, many nanosensors are not capable of transducing accurate results over prolonged time periods. Sensors could fail over time due to the degradation of scaffold material, degradation of signaling dyes and components, or a combination of both. It is critical to investigate how such degradative processes affect sensor output, as the consequences could be severe. Herein, we used fluorescent core-shell organosilica pH nanosensors as a model system, incubating them in a range of common aqueous solutions over time at different temperatures, and then searched for changes in fluorescence signal, particle size, and evidence of silica degradation. We found that these ratiometric nanosensors produced stable optical signals after aging for 30 days at 37 °C in standard saline buffers with and without 10% fetal bovine serum, and without any evidence of material degradation. Next, we evaluated their performance as real-time pH nanosensors in bacterial suspension cultures, observing a close agreement with a pH electrode for control nanosensors, yet observing obvious deviations in signal based on the aging conditions. The results show that while the organosilica scaffold does not degrade appreciably over time, careful selection of dyes and further systematic investigations into the effects of salt and protein levels are required to realize long-term stable nanosensors.
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Affiliation(s)
- Gabriel T Huynh
- Department of Chemical Engineering, Monash University, Clayton, VIC 3800, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Node, Clayton, VIC 3800, Australia
| | - Edward C Henderson
- Department of Chemical Engineering, Monash University, Clayton, VIC 3800, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Node, Clayton, VIC 3800, Australia
| | - Jessica E Frith
- Monash Institute of Medical Engineering, Monash University, Clayton, VIC 3800, Australia
- Department of Material Science and Engineering, Monash University, Clayton, VIC 3800, Australia
- ARC Training Centre for Cell and Tissue Engineering Technologies, Monash University, Clayton, VIC 3800, Australia
| | - Laurence Meagher
- Department of Material Science and Engineering, Monash University, Clayton, VIC 3800, Australia
- ARC Training Centre for Cell and Tissue Engineering Technologies, Monash University, Clayton, VIC 3800, Australia
| | - Simon R Corrie
- Department of Chemical Engineering, Monash University, Clayton, VIC 3800, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Node, Clayton, VIC 3800, Australia
- ARC Training Centre for Cell and Tissue Engineering Technologies, Monash University, Clayton, VIC 3800, Australia
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93
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McKenna M, Shackelford D, Ferreira Pontes H, Ball B, Nance E. Multiple Particle Tracking Detects Changes in Brain Extracellular Matrix and Predicts Neurodevelopmental Age. ACS NANO 2021; 15:8559-8573. [PMID: 33969999 PMCID: PMC8281364 DOI: 10.1021/acsnano.1c00394] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Brain extracellular matrix (ECM) structure mediates many aspects of neural development and function. Probing structural changes in brain ECM could thus provide insights into mechanisms of neurodevelopment, the loss of neural function in response to injury, and the detrimental effects of pathological aging and neurological disease. We demonstrate the ability to probe changes in brain ECM microstructure using multiple particle tracking (MPT). We performed MPT of colloidally stable polystyrene nanoparticles in organotypic rat brain slices collected from rats aged 14-70 days old. Our analysis revealed an inverse relationship between nanoparticle diffusive ability in the brain extracellular space and age. Additionally, the distribution of effective ECM pore sizes in the cortex shifted to smaller pores throughout development. We used the raw data and features extracted from nanoparticle trajectories to train a boosted decision tree capable of predicting chronological age with high accuracy. Collectively, this work demonstrates the utility of combining MPT with machine learning for measuring changes in brain ECM structure and predicting associated complex features such as chronological age. This will enable further understanding of the roles brain ECM play in development and aging and the specific mechanisms through which injuries cause aberrant neuronal function. Additionally, this approach has the potential to develop machine learning models capable of detecting the presence of injury or indicating the extent of injury based on changes in the brain microenvironment microstructure.
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Affiliation(s)
- Michael McKenna
- Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, United States
| | - David Shackelford
- Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, United States
| | - Hugo Ferreira Pontes
- Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, United States
| | - Brendan Ball
- Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, United States
| | - Elizabeth Nance
- Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, United States
- Department of Radiology, University of Washington, Seattle, Washington 98195, United States
- Center on Human Development and Disability, University of Washington, Seattle, Washington 98195, United States
- eScience Institute, University of Washington, Seattle, Washington 98195, United States
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94
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Wang R, Zhang Z, Liu B, Xue J, Liu F, Tang T, Liu W, Feng F, Qu W. Strategies for the design of nanoparticles: starting with long-circulating nanoparticles, from lab to clinic. Biomater Sci 2021; 9:3621-3637. [PMID: 34008587 DOI: 10.1039/d0bm02221g] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Short half-life is one of the main causes of drug attrition in clinical development, which also leads to the failure of many leading compounds and hits to become drug candidates. Nowadays, nanomaterials have been applied to drug development to address this problem. In fact, the clinical application of nanoparticles (NPs) is severely limited due to their rapid elimination by the reticuloendothelial system (RES) in vivo. In this paper, we aim to summarize representative strategies on prolonging the circulation time for bridging the gap between excellent pharmaceutics and proper half-life and encourage clinical translation.
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Affiliation(s)
- Ruyi Wang
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 211198, People's Republic of China.
| | - Zhongtao Zhang
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 211198, People's Republic of China.
| | - Bowen Liu
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 211198, People's Republic of China.
| | - Jingwei Xue
- The Joint Laboratory of China Pharmaceutical University and Taian City Central Hospital, Taian City Central Hospital, Taian, 271000, China and Taian City institute of Digestive Disease, Taian City Central Hospital, Taian, 271000, China
| | - Fulei Liu
- The Joint Laboratory of China Pharmaceutical University and Taian City Central Hospital, Taian City Central Hospital, Taian, 271000, China and Pharmaceutical Department, Taian City Central Hospital, Taian, 271000, China
| | - Tongzhong Tang
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 211198, People's Republic of China.
| | - Wenyuan Liu
- Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing, 210009, China and Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing, 210009, China
| | - Feng Feng
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 211198, People's Republic of China. and Jiangsu Food and Pharmaceutical Science College, Huaian, 223003, China.
| | - Wei Qu
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 211198, People's Republic of China.
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95
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Design of liposomes as drug delivery system for therapeutic applications. Int J Pharm 2021; 601:120571. [PMID: 33812967 DOI: 10.1016/j.ijpharm.2021.120571] [Citation(s) in RCA: 343] [Impact Index Per Article: 114.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/25/2021] [Accepted: 03/31/2021] [Indexed: 12/18/2022]
Abstract
Liposomes are spherical vesicles consisting of one or more concentric phospholipid bilayers enclosing an aqueous core. Being both nontoxic and biodegradable, liposomes represent a powerful delivery system for several drugs. They have improved the therapeutic efficacy of drugs through stabilizing compounds, overcoming obstacles to cellular and tissue uptake and increasing drug biodistribution to target sites in vivo, while minimizing systemic toxicity. This review offers an overview of liposomes, thought the exploration of their key fundamentals. Initially, the main design aspects to obtain a successful liposomal formulation were addressed, following the techniques for liposome production and drug loading. Before application, liposomes required an extensive characterization to assurance in vitro and in vivo performance. Thus, several properties to characterize liposomes were explored, such as size, polydispersity index, zeta potential, shape, lamellarity, phase behavior, encapsulation efficiency, and in vitro drug release. Topics related with liposomal functionalization and effective targeting strategies were also addressed, as well as stability and some limitations of liposomes. Finally, this review intends to explore the current market liposomes used as a drug delivery system in different therapeutic applications.
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96
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Fish MB, Banka AL, Braunreuther M, Fromen CA, Kelley WJ, Lee J, Adili R, Holinstat M, Eniola-Adefeso O. Deformable microparticles for shuttling nanoparticles to the vascular wall. SCIENCE ADVANCES 2021; 7:eabe0143. [PMID: 33883129 PMCID: PMC8059934 DOI: 10.1126/sciadv.abe0143] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 03/08/2021] [Indexed: 05/11/2023]
Abstract
Vascular-targeted drug carriers must localize to the wall (i.e., marginate) and adhere to a diseased endothelium to achieve clinical utility. The particle size has been reported as a critical physical property prescribing particle margination in vitro and in vivo blood flows. Different transport process steps yield conflicting requirements-microparticles are optimal for margination, but nanoparticles are better for intracellular or tissue delivery. Here, we evaluate deformable hydrogel microparticles as carriers for transporting nanoparticles to a diseased vascular wall. Depending on microparticle modulus, nanoparticle-loaded poly(ethylene glycol)-based hydrogel microparticles delivered significantly more 50-nm nanoparticles to the vessel wall than freely injected nanoparticles alone, resulting in >3000% delivery increase. This work demonstrates the benefit of optimizing microparticles' efficient margination to enhance nanocarriers' transport to the vascular wall.
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Affiliation(s)
- Margaret B Fish
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Alison L Banka
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Margaret Braunreuther
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Catherine A Fromen
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - William J Kelley
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jonathan Lee
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Reheman Adili
- Department of Pharmacology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Michael Holinstat
- Department of Pharmacology, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cardiovascular Medicine, Samuel and Jean Frankel Cardiovascular Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Omolola Eniola-Adefeso
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA.
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
- Macromolecular Science and Engineering Program, University of Michigan, Ann Arbor, MI 48109, USA
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97
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Viana IMDO, Roussel S, Defrêne J, Lima EM, Barabé F, Bertrand N. Innate and adaptive immune responses toward nanomedicines. Acta Pharm Sin B 2021; 11:852-870. [PMID: 33747756 PMCID: PMC7955583 DOI: 10.1016/j.apsb.2021.02.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 01/04/2021] [Accepted: 02/12/2021] [Indexed: 12/16/2022] Open
Abstract
Since the commercialization of the first liposomes used for drug delivery, Doxil/Caelyx® and Myocet®, tremendous progress has been made in understanding interactions between nanomedicines and biological systems. Fundamental work at the interface of engineering and medicine has allowed nanomedicines to deliver therapeutic small molecules and nucleic acids more efficiently. While nanomedicines are used in oncology for immunotherapy or to deliver combinations of cytotoxics, the clinical successes of gene silencing approaches like patisiran lipid complexes (Onpattro®) have paved the way for a variety of therapies beyond cancer. In parallel, the global severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has highlighted the potential of mRNA vaccines to develop immunization strategies at unprecedented speed. To rationally design therapeutic and vaccines, chemists, materials scientists, and drug delivery experts need to better understand how nanotechnologies interact with the immune system. This review presents a comprehensive overview of the innate and adaptative immune systems and emphasizes the intricate mechanisms through which nanomedicines interact with these biological functions.
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98
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Hristov DR, Lopez H, Ortin Y, O'Sullivan K, Dawson KA, Brougham DF. Impact of dynamic sub-populations within grafted chains on the protein binding and colloidal stability of PEGylated nanoparticles. NANOSCALE 2021; 13:5344-5355. [PMID: 33660726 DOI: 10.1039/d0nr08294e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Polyethylene glycol grafting has played a central role in preparing the surfaces of nano-probes for biological interaction, to extend blood circulation times and to modulate protein recognition and cellular uptake. However, the role of PEG graft dynamics and conformation in determining surface recognition processes is poorly understood primarily due to the absence of a microscopic picture of the surface presentation of the polymer. Here a detailed NMR analysis reveals three types of dynamic ethylene glycol units on PEG-grafted SiO2 nanoparticles (NPs) of the type commonly evaluated as long-circulating theranostic nano-probes; a narrow fraction with fast dynamics associated with the chain ends; a broadened fraction spectrally overlapped with the former arising from those parts of the chain experiencing some dynamic restriction; and a fraction too broad to be observed in the spectrum arising from units closer to the surface/graft which undergo slow motion on the NMR timescale. We demonstrate that ethylene glycol units transition between fractions as a function of temperature, core size, PEG chain length and surface coverage and demonstrate how this distribution affects colloidal stability and protein uptake. The implications of the findings for biological application of grafted nanoparticles are discussed in the context of accepted models for surface ligand conformation.
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Affiliation(s)
- Delyan R Hristov
- Centre for BioNano Interactions, School of Chemistry, University College Dublin, Dublin, Republic of Ireland
| | - Hender Lopez
- School of Physics & Optometric & Clinical Sciences, Technological University Dublin, City Campus, Kevin Street, Dublin 8, Republic of Ireland
| | - Yannick Ortin
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Republic of Ireland.
| | - Kate O'Sullivan
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Republic of Ireland.
| | - Kenneth A Dawson
- Centre for BioNano Interactions, School of Chemistry, University College Dublin, Dublin, Republic of Ireland
| | - Dermot F Brougham
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Republic of Ireland.
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99
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Li J, Zheng H, Xu EY, Moehwald M, Chen L, Zhang X, Mao S. Inhalable PLGA microspheres: Tunable lung retention and systemic exposure via polyethylene glycol modification. Acta Biomater 2021; 123:325-334. [PMID: 33454386 DOI: 10.1016/j.actbio.2020.12.061] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 12/17/2020] [Accepted: 12/24/2020] [Indexed: 12/28/2022]
Abstract
Polyethylene glycol (PEG) modification is one of the promising approaches to overcome both mucus and alveolar macrophage uptake barriers in the deep lung for sustained therapy of pulmonary diseases such as asthma. To investigate the feasibility of using PEG-modified microspheres to bypass both barriers, we prepared a collection of polyethylene glycol-distearoyl glycero-phosphoethanolamine (PEG-DSPE)-modified poly (lactide-co-glycolide) (PLGA) microspheres bearing specific PEG molecular weights (0.75, 2, 5, and 10 kDa) and PEG-DSPE/PLGA molar ratios (0.25:1 and 1:1). Drug release, mucus penetration, and macrophage uptake were evaluated in vitro, and the corresponding in vivo activities of microspheres in rats were investigated. It was found that the PEG2000-DSPE/PLGA 1:1 group showed enhanced mucus permeability and reduced macrophage uptake in vitro compared to the PEG2000-DSPE/PLGA 0.25:1 group. At high PEG molar ratios, only the PEG 2000-based group showed significantly prolonged lung retention in vivo compared to the control group. The systemic exposure of the PEG2000-DSPE/PLGA 1:1 group was significantly lower than that of the PEG2000-DSPE/PLGA 0.25:1 group (39% of AUC reduction). Additionally, when using the same molar ratio of 1:1, the PEG 2000 group significantly lowered the systemic drug exposure compared to that of the PEG 5000 and 10000 groups (48% and 33% of AUC reduction, respectively), thus making it a promising sustained lung delivery candidate for pulmonary disease treatment.
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100
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Konduru NV, Velasco-Alzate K, Adduri S, Zagorovsky K, Diaz-Diestra D, Fisol F, Sanches M, Ndetan H, Brain JD, Molina RM. Pulmonary fate and consequences of transferrin-functionalized gold nanoparticles. Nanotheranostics 2021; 5:309-320. [PMID: 33732602 PMCID: PMC7961126 DOI: 10.7150/ntno.47734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 01/23/2021] [Indexed: 12/04/2022] Open
Abstract
Surface functionalization of nanoparticles (NPs) may alter their biological interactions such as uptake by alveolar macrophages (AMs). Pulmonary delivery of gold NPs (Au NPs) has theranostic potential due to their optoelectronic properties, minimal alveoli to blood translocation, and possibility of specific cell targeting. Here, we examined whether coating Au NPs with transferrin alters their protein corona, uptake by macrophages, and pulmonary translocation. Methods: Rats were intratracheally instilled with transferrin-coated Au NPs (Tf-Au NPs) or polyethylene glycol-coated Au NPs (PEG-Au NPs). AMs were collected and processed for quantitation of Au cell uptake using ICP-MS and electron microscopy. Au retention in the lungs and other organs was also determined. The uptake of fluorescently labeled Tf-Au NPs and PEG-Au NPs by monocyte-derived human macrophages was also evaluated in vitro. Results: We showed that Tf-Au NPs were endocytosed by AMs and were retained in the lungs to a greater extent than PEG-Au NPs. Both Au NPs acquired similar protein coronas after incubation in rat broncho-alveolar lavage fluid (BALf). The translocation of Au from both NPs to other organs was less than 0.5% of the instilled dose. Transferrin coating enhanced the uptake of Au NPs by primary monocyte-derived human macrophages. Conclusions: We report that coating of NP surface with transferrin can target them to rat AMs and human monocyte-derived macrophages. NP functionalization with transferrin may enhance NP-based therapeutic strategies for lung diseases.
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Affiliation(s)
- Nagarjun Venkata Konduru
- Department of Cellular and Molecular Biology, University of Texas Health Science Center at Tyler, 11937 U.S. Hwy 271, Tyler, TX 75708, USA
| | - Karen Velasco-Alzate
- Department of Cellular and Molecular Biology, University of Texas Health Science Center at Tyler, 11937 U.S. Hwy 271, Tyler, TX 75708, USA
| | - Sitaramaraju Adduri
- Department of Cellular and Molecular Biology, University of Texas Health Science Center at Tyler, 11937 U.S. Hwy 271, Tyler, TX 75708, USA
| | - Kyryl Zagorovsky
- Luna Nanotech Inc., 439 University Avenue, 5th Floor, Toronto, ON, Canada M5G 1Y8
| | - Daysi Diaz-Diestra
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Faisalina Fisol
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Marcelo Sanches
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Harrison Ndetan
- Department of Biostatistics, University of Texas Health Science Center at Tyler, 11937 U.S. Hwy 271, Tyler, TX 75708, USA
| | - Joseph David Brain
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Ramon Morales Molina
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
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