1
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Tan X, Li S, Sheng R, Zhang Q, Li C, Liu L, Zhang Y, Ge L. Biointerfacial giant capsules with high paclitaxel loading and magnetic targeting for breast tumor therapy. J Colloid Interface Sci 2023; 633:1055-1068. [PMID: 36516681 DOI: 10.1016/j.jcis.2022.11.151] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 11/23/2022] [Accepted: 11/29/2022] [Indexed: 12/14/2022]
Abstract
High drug loading, targeted delivery, prolonged drug release, and low systemic toxicity are effective weapons for hydrophobic drug delivery systems to solve serious concerns in poor water-solubility and toxicity of paclitaxel (PTX). Herein, we reported that biointerfacial giant multilayer microcapsules (BGMs) with the feature of high-density drug loading and high-efficiency magnetic delivery were fabricated templated by PTX-liposome-microbubble complex using the layer-by-layer self-assembly (LbL) technique. The drug loading capacity of BGMs was improved by optimizing the structure of microbubbles and capsules to increase the PTX-contained layers, and the resultant BGMs exhibited high drug loading content (50.56 ± 0.09 %) and sustained drug release properties. The BGMs with an average diameter of 74.1 ± 12.1 µm and an average thickness of 275.5 ± 48.4 nm contained abundant magnetic nanoparticles (MNPs) in their cavity, which endowed these capsules with outstanding magnetic properties and fast magnetophoretic velocity in the blood (∼0.3 mm/s, ▽B = 1 T/mm). Moreover, both in vitro and in vivo studies demonstrated that the biocompatible PTX-loaded magnetic BGMs (Capsule@PLMPPL) caused notable death (71.3 ± 2.9 %) of 4 T1 breast cancer cells through PTX diffusion, capsules degradation, and subsequent endocytosis by cancer cells, and ultimately effectively inhibited tumor growth. In general, the developed BGM with good deformability and degradation was the first reported giant polyelectrolyte capsule to be used in tumor therapy, which could notably improve the therapeutic efficacy of PTX while reducing its side effects.
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Affiliation(s)
- Xin Tan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, PR China
| | - Shiming Li
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009 PR China
| | - Renwang Sheng
- School of Medicine, Southeast University, Nanjing 210009, PR China
| | - Qianli Zhang
- School of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Chunyang Li
- Institute of Agroproducts Processing Jiangsu Academy of Agricultural Sciences, Nanjing 210014, PR China
| | - Ling Liu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009 PR China.
| | - Yu Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, PR China.
| | - Liqin Ge
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, PR China.
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2
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Yun L, Li K, Liu C, Deng L, Li J. Dual-modified starch micelles as a promising nanocarrier for doxorubicin. Int J Biol Macromol 2022; 219:685-693. [PMID: 35878670 DOI: 10.1016/j.ijbiomac.2022.07.141] [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: 03/13/2022] [Revised: 06/29/2022] [Accepted: 07/18/2022] [Indexed: 11/27/2022]
Abstract
Natural amphiphilic polymer micelles have garnered considerable research attention as nanocarriers for delivering drugs. The objective of this study was to explore the possibility of applying biocompatible dual-modified starch micelles as drug delivery vehicles. To this end, a dual-modified corn starch polymer (SCD) was synthesized with zwitterionic sulfobetaine and deoxycholic acid; spherical micelles with an average particle size of ~200 nm were prepared through the self-assembly of SCD. The effects of dual modification on the degree of substitution, molecular structure, and functional properties of SCD were investigated. Further, doxorubicin was successfully incorporated into the micelles, and an in vitro drug release study was performed to confirm that the drug-loaded micelles displayed pH-sensitive properties with controlled and sustained release. The dissolve-diffuse-erosion-degradation release process was described according to the dynamic models of drug release for SCD micelles. The results can be used as reference information for further studies in the biotechnology and pharmaceutical domains.
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Affiliation(s)
- Linqi Yun
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, PR China
| | - Kai Li
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, PR China; The Collaborative Innovation Center for Guangxi Sugar Industry, Nanning 530004, Guangxi, PR China
| | - Cancan Liu
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, PR China
| | - Ligao Deng
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, PR China.
| | - Jianbin Li
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, PR China.
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3
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Wang D, Mu X, Chen X, Huang H, Zhou L, Wei S. Polycyclodextrin as a linker for nanomedicine fabrication and synergistic anticancer application. Carbohydr Polym 2021; 273:118608. [PMID: 34561007 DOI: 10.1016/j.carbpol.2021.118608] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/09/2021] [Accepted: 08/20/2021] [Indexed: 11/23/2022]
Abstract
Polycyclodextrin (denoted PCD) composed of cyclodextrin monomer units and 1,3-diethoxypropan-2-ol containing many hydroxyl groups with lone pairs of electrons, easily coordinated with transition metals with empty orbitals. The CD unit can also provide host-guest binding sites for functional molecules. This article utilizes this feature of PCD for the first time as a "linker" to combine transition metal nanomaterials with synergistic functional molecules. We synthesized PCD with 50% CD monomer by epichlorohydrin cross-linking method. Utilizing the coordination effect of the hydroxyl group in PCD and the iron ion in photothermal nanoparticles (PB-Yb), the PCD is coated on its surface; simultaneously, CD in PCD can form a host-guest complex with adamantane-modified zinc phthalocyanine (Pc) photosensitizer. Using PCD as a "linker", PB-Yb and Pc (denoted PYPP) were combined to improve the solubility of PB-Yb, reduce the aggregation degree of Pc to increase their activity, and achieve photothermal and photodynamic synergistic tumor therapy.
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Affiliation(s)
- Dongxin Wang
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Xingchen Mu
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Xin Chen
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Heyong Huang
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
| | - Lin Zhou
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
| | - Shaohua Wei
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Nanjing Normal University, Nanjing, Jiangsu 210023, China
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4
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Corrêa RLGQ, dos Santos R, Albuquerque LJC, de Araujo GLB, Edwards-Gayle CJC, Ferreira FF, Costa FN. Ciprofibrate-Loaded Nanoparticles Prepared by Nanoprecipitation: Synthesis, Characterization, and Drug Release. Polymers (Basel) 2021; 13:3158. [PMID: 34578074 PMCID: PMC8468397 DOI: 10.3390/polym13183158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 11/17/2022] Open
Abstract
Ciprofibrate (CIP) is a highly lipophilic and poorly water-soluble drug, typically used for dyslipidemia treatment. Although it is already commercialized in capsules, no previous studies report its solid-state structure; thus, information about the correlation with its physicochemical properties is lacking. In parallel, recent studies have led to the improvement of drug administration, including encapsulation in polymeric nanoparticles (NPs). Here, we present CIP's crystal structure determined by PXRD data. We also propose an encapsulation method for CIP in micelles produced from Pluronic P123/F127 and PEO-b-PCL, aiming to improve its solubility, hydrophilicity, and delivery. We determined the NPs' physicochemical properties by DLS, SLS, ELS, SAXS and the loaded drug amount by UV-Vis spectroscopy. Micelles showed sizes around 10-20 nm for Pluronic and 35-45 nm for the PEO-b-PCL NPs with slightly negative surface charge and successful CIP loading, especially for the latter; a substantial reduction in ζ-potential may be evidenced. For Pluronic nanoparticles, we scanned different conditions for the CIP loading, and its encapsulation efficiency was reduced while the drug content increased in the nanoprecipitation protocol. We also performed in vitro release experiments; results demonstrate that probe release is driven by Fickian diffusion for the Pluronic NPs and a zero-order model for PEO-b-PCL NPs.
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Affiliation(s)
| | - Renan dos Santos
- Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), Santo André 09210-580, Brazil; (R.d.S.); (L.J.C.A.); (F.F.F.)
| | - Lindomar José Calumby Albuquerque
- Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), Santo André 09210-580, Brazil; (R.d.S.); (L.J.C.A.); (F.F.F.)
- Brazilian Synchrotron Light Laboratory (LNLS), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas 13083-170, Brazil
| | | | | | - Fabio Furlan Ferreira
- Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), Santo André 09210-580, Brazil; (R.d.S.); (L.J.C.A.); (F.F.F.)
- Nanomedicine Research Unit (NANOMED), Federal University of ABC (UFABC), Santo André 09210-580, Brazil
| | - Fanny Nascimento Costa
- Center for Natural and Human Sciences (CCNH), Federal University of ABC (UFABC), Santo André 09210-580, Brazil; (R.d.S.); (L.J.C.A.); (F.F.F.)
- Diamond Light Source, Harwell Science & Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK;
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5
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Soltani M, Moradi Kashkooli F, Souri M, Zare Harofte S, Harati T, Khadem A, Haeri Pour M, Raahemifar K. Enhancing Clinical Translation of Cancer Using Nanoinformatics. Cancers (Basel) 2021; 13:2481. [PMID: 34069606 PMCID: PMC8161319 DOI: 10.3390/cancers13102481] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 05/08/2021] [Accepted: 05/16/2021] [Indexed: 12/14/2022] Open
Abstract
Application of drugs in high doses has been required due to the limitations of no specificity, short circulation half-lives, as well as low bioavailability and solubility. Higher toxicity is the result of high dosage administration of drug molecules that increase the side effects of the drugs. Recently, nanomedicine, that is the utilization of nanotechnology in healthcare with clinical applications, has made many advancements in the areas of cancer diagnosis and therapy. To overcome the challenge of patient-specificity as well as time- and dose-dependency of drug administration, artificial intelligence (AI) can be significantly beneficial for optimization of nanomedicine and combinatorial nanotherapy. AI has become a tool for researchers to manage complicated and big data, ranging from achieving complementary results to routine statistical analyses. AI enhances the prediction precision of treatment impact in cancer patients and specify estimation outcomes. Application of AI in nanotechnology leads to a new field of study, i.e., nanoinformatics. Besides, AI can be coupled with nanorobots, as an emerging technology, to develop targeted drug delivery systems. Furthermore, by the advancements in the nanomedicine field, AI-based combination therapy can facilitate the understanding of diagnosis and therapy of the cancer patients. The main objectives of this review are to discuss the current developments, possibilities, and future visions in naoinformatics, for providing more effective treatment for cancer patients.
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Affiliation(s)
- Madjid Soltani
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran 19967-15433, Iran; (F.M.K.); (M.S.); (S.Z.H.); (T.H.); (A.K.); (M.H.P.)
- Department of Electrical and Computer Engineering, Faculty of Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada
- Faculty of Science, School of Optometry and Vision Science, University of Waterloo, Waterloo, ON N2L 3G1, Canada;
- Advanced Bioengineering Initiative Center, Multidisciplinary International Complex, K. N. Toosi Univesity of Technology, Tehran 14176-14411, Iran
- Centre for Biotechnology and Bioengineering (CBB), University of Waterloo, Waterloo, ON N2L 3G1, Canada
| | - Farshad Moradi Kashkooli
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran 19967-15433, Iran; (F.M.K.); (M.S.); (S.Z.H.); (T.H.); (A.K.); (M.H.P.)
| | - Mohammad Souri
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran 19967-15433, Iran; (F.M.K.); (M.S.); (S.Z.H.); (T.H.); (A.K.); (M.H.P.)
| | - Samaneh Zare Harofte
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran 19967-15433, Iran; (F.M.K.); (M.S.); (S.Z.H.); (T.H.); (A.K.); (M.H.P.)
| | - Tina Harati
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran 19967-15433, Iran; (F.M.K.); (M.S.); (S.Z.H.); (T.H.); (A.K.); (M.H.P.)
| | - Atefeh Khadem
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran 19967-15433, Iran; (F.M.K.); (M.S.); (S.Z.H.); (T.H.); (A.K.); (M.H.P.)
| | - Mohammad Haeri Pour
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran 19967-15433, Iran; (F.M.K.); (M.S.); (S.Z.H.); (T.H.); (A.K.); (M.H.P.)
| | - Kaamran Raahemifar
- Faculty of Science, School of Optometry and Vision Science, University of Waterloo, Waterloo, ON N2L 3G1, Canada;
- Data Science and Artificial Intelligence Program, College of Information Sciences and Technology (IST), State College, Penn State University, Pennsylvania, PA 16801, USA
- Department of Chemical Engineering, Faculty of Engineering, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, Canada
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6
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Alejo T, Uson L, Landa G, Prieto M, Yus Argón C, Garcia-Salinas S, de Miguel R, Rodríguez-Largo A, Irusta S, Sebastian V, Mendoza G, Arruebo M. Nanogels with High Loading of Anesthetic Nanocrystals for Extended Duration of Sciatic Nerve Block. ACS APPLIED MATERIALS & INTERFACES 2021; 13:17220-17235. [PMID: 33821601 PMCID: PMC8892441 DOI: 10.1021/acsami.1c00894] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
The development of thermoresponsive nanogels loaded with nanocrystals of the local anesthetic bupivacaine nanocrystals (BNCs) for prolonged peripheral nerve pain relief is reported here. BNCs were prepared using the antisolvent precipitation method from the hydrophobic form of bupivacaine (bupivacaine free base). The as-prepared BNCs were used stand-alone or encapsulated in temperature-responsive poly(ethylene glycol) methyl ether methacrylate (OEGMA)-based nanogels, resulting in bupivacaine NC-loaded nanogels (BNC-nanogels) of monodisperse size. The synthesis protocol has rendered high drug loadings (i.e., 93.8 ± 1.5 and 84.8 ± 1.2 wt % for the NC and BNC-nanogels, respectively) and fast drug dissolution kinetics in the resulting composite material. In vivo tests demonstrated the efficacy of the formulation along with an extended duration of sciatic nerve block in murine models of more than 8 h with a formulation containing only 2 mg of the local anesthetic thanks to the thermoresponsive character of the polymer, which, at body temperature, becomes hydrophobic and acts as a diffusion barrier for the encapsulated drug nanocrystals. The hydrophobicity of the encapsulated bupivacaine free base probably facilitates its pass through cell membranes and also binds strongly to their hydrophobic lipid bilayer, thereby protecting molecules from diffusion to extracellular media and to the bloodstream, reducing their clearance. When using BNC-nanogels, the duration of the anesthetic blockage lasted twice as long as compared to the effect of just BNCs or a conventional bupivacaine hydrochloride solution both containing equivalent amounts of the free drug. Results of the in vivo tests showed enough sensory nerve block to potentially relieve pain, but still having mobility in the limb, which enables motor function when required. The BNC-nanogels presented minimal toxicity in the in vivo study due to their sustained drug release and excellent biocompatibility. The encapsulation of nano-sized crystals of bupivacaine provides a prolonged regional anesthesia with reduced toxicity, which could be advantageous in the management of chronic pain.
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Affiliation(s)
- Teresa Alejo
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
- Department
of Chemical Engineering, University of Zaragoza, Campus Río Ebro—Edificio
I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
| | - Laura Uson
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
- Department
of Chemical Engineering, University of Zaragoza, Campus Río Ebro—Edificio
I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
| | - Guillermo Landa
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
- Department
of Chemical Engineering, University of Zaragoza, Campus Río Ebro—Edificio
I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
| | - Martin Prieto
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
- Department
of Chemical Engineering, University of Zaragoza, Campus Río Ebro—Edificio
I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
| | - Cristina Yus Argón
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
- Department
of Chemical Engineering, University of Zaragoza, Campus Río Ebro—Edificio
I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
| | - Sara Garcia-Salinas
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
- Department
of Chemical Engineering, University of Zaragoza, Campus Río Ebro—Edificio
I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
| | - Ricardo de Miguel
- Department
of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain
| | - Ana Rodríguez-Largo
- Department
of Animal Pathology, Veterinary Faculty, University of Zaragoza, 50013 Zaragoza, Spain
| | - Silvia Irusta
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
- Department
of Chemical Engineering, University of Zaragoza, Campus Río Ebro—Edificio
I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
- Networking
Research Center on Bioengineering, Biomaterials
and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain
- Aragon
Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain
| | - Victor Sebastian
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
- Department
of Chemical Engineering, University of Zaragoza, Campus Río Ebro—Edificio
I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
- Networking
Research Center on Bioengineering, Biomaterials
and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain
- Aragon
Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain
| | - Gracia Mendoza
- Networking
Research Center on Bioengineering, Biomaterials
and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain
- Aragon
Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain
| | - Manuel Arruebo
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain
- Department
of Chemical Engineering, University of Zaragoza, Campus Río Ebro—Edificio
I+D, C/ Poeta Mariano Esquillor S/N, 50018 Zaragoza, Spain
- Networking
Research Center on Bioengineering, Biomaterials
and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain
- Aragon
Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain
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7
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de Castro CE, Panico K, Stangherlin LM, Albuquerque LJC, A S Ribeiro C, da Silva MCC, Jäger E, Giacomelli FC. Evidence of protein coronas around soft nanoparticles regardless of the chemical nature of the outer surface: structural features and biological consequences. J Mater Chem B 2021; 9:2073-2083. [PMID: 33594396 DOI: 10.1039/d0tb02734k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The formation of biomolecular coronas around nanoparticles as soon as they come in contact with biological media is nowadays well accepted. The self-developed biological outer surfaces can affect the targeting capability of the colloidal carriers as well as their cytotoxicity and cellular uptake behavior. In this framework, we explored the structural features and biological consequences of protein coronas around block copolymer assemblies consisting of a common pH-responsive core made by poly[2-(diisopropylamino) ethyl methacrylate] (PDPA) and hydrophilic shells of different chemical natures: zwitterionic poly(2-methacryloyloxyethyl phosphorylcholine) (PMPC) or highly hydrophilic poly(ethylene oxide) (PEO) and poly(N-(2-hydroxypropyl)methacrylamide) (PHPMA). We demonstrated the presence of ∼50 nm protein coronas around the nanoparticles regardless of the chemical nature of the polymeric shells. The thickness is understood as the sum of the soft and hard layers and it is the actual interface seen by the cells. Although the soft corona composition is difficult to determine because the proteins are loosely bound to the outer surface of the assemblies, the tightly bound proteins (hard corona) could be identified and quantified. The compositional analysis of the hard corona demonstrated that human serum albumin (HSA), immunoglobulin G (IgG) and fibrinogen are the main components of the protein coronas, and serotransferrin is present particularly in the protein corona of the zwitterionic-stabilized assemblies. The protein coronas substantially reduce the cellular uptake of the colloidal particles due to their increased size and the presence of HSA which is known to reduce nanoparticle-cell adhesion. On the other hand, their existence also reduces the levels of cytotoxicity of the polymeric assemblies, highlighting that protein coronas should not be always understood as artifacts that need to be eliminated due to their positive outputs.
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Affiliation(s)
- Carlos E de Castro
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, Brazil.
| | - Karine Panico
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, Brazil.
| | - Lucas M Stangherlin
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, Brazil.
| | | | - Caroline A S Ribeiro
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, Brazil.
| | - Maria C C da Silva
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, Brazil.
| | - Eliézer Jäger
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Prague, Czech Republic
| | - Fernando C Giacomelli
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, Brazil.
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8
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Dinari A, Abdollahi M, Sadeghizadeh M. Design and fabrication of dual responsive lignin-based nanogel via "grafting from" atom transfer radical polymerization for curcumin loading and release. Sci Rep 2021; 11:1962. [PMID: 33479381 PMCID: PMC7820611 DOI: 10.1038/s41598-021-81393-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 01/06/2021] [Indexed: 01/29/2023] Open
Abstract
The story of human dreams about curing all diseases, disorders and lesions is as old as human history. In the frontier of medical science, nanomedicine is trying to solve the problem. In this study, inspired by nanotechnology and using "grafting from" approach, a novel lignin-based nanogel was synthesized using atom transfer radical polymerization (ATRP) method. N-isopropylacrylamide (NIPAM) and N,N-dimethylaminoethylmethacrylate (DMAEMA) comonomers were graft copolymerized from fully brominated lignin as ATRP macroinitiator to synthesize lignin-g-P(NIPAM-co-DMAEMA) nanogel (LNDNG). By controlling the initial comonomer compositions and ATRP conditions, four LNDNG systems with different lower critical solution temperatures (LCSTs) of 32, 34, 37 and 42 °C were prepared. The LNDNGs were evaluated by GPC, FT-IR, 1H NMR, UV-Vis, DLS, SEM and TEM analyses. The prepared nanogels exhibited an average diameter of 150 nm with dual temperature and pH responsiveness. Curcumin (CUR) loading capacity and encapsulation efficiency of the LNDNGs were 49.69% and 92.62% on average, respectively. The cumulative release amount of loaded CUR was observed to be 65.36% after 72 h. The new lignin-based NGs proposed in the present work seems to be a promising, safe and comparable system in a near future.
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Affiliation(s)
- Ali Dinari
- Polymer Reaction Engineering Department, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
| | - Mahdi Abdollahi
- Polymer Reaction Engineering Department, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran.
| | - Majid Sadeghizadeh
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
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9
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Outstanding protein-repellent feature of soft nanoparticles based on poly(N-(2-hydroxypropyl) methacrylamide) outer shells. J Colloid Interface Sci 2020; 574:260-271. [DOI: 10.1016/j.jcis.2020.04.048] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 12/13/2022]
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10
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Du H, de Oliveira FA, Albuquerque LJC, Tresset G, Pavlova E, Huin C, Guégan P, Giacomelli FC. Polyglycidol-Stabilized Nanoparticles as a Promising Alternative to Nanoparticle PEGylation: Polymer Synthesis and Protein Fouling Considerations. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:1266-1278. [PMID: 31961691 DOI: 10.1021/acs.langmuir.9b03687] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We herein demonstrate the outstanding protein-repelling characteristic of star-like micelles and polymersomes manufactured from amphiphilic block copolymers made by poly(butylene oxide) (PBO) hydrophobic segments and polyglycidol (PGL) hydrophilic outer shells. Although positively charged proteins (herein modeled by lysozyme) may adsorb onto the surface of micelles and polymersomes where the assemblies are stabilized by short PGL chains (degree of polymerization smaller than 15), the protein adsorption vanishes when the degree of polymerization of the hydrophilic segment (PGL) is higher than ∼20, regardless the morphology. This has been probed by using three different model proteins which are remarkably different concerning molecular weight, size, and zeta potential (bovine serum albumin (BSA), lysozyme, and immunoglobulin G (IgG)). Indeed, the adsorption of the most abundant plasma protein (herein modeled as BSA) is circumvented even by using very short PGL shells due to the highly negative zeta potential of the produced assemblies which presumably promote protein-nanoparticle electrostatic repulsion. The negative zeta potential, on the other hand, enables lysozyme adsorption, and the phenomenon is governed by electrostatic forces as evidenced by isothermal titration calorimetry. Nevertheless, the protein coating can be circumvented by slightly increasing the degree of polymerization of the hydrophilic segment. Notably, the PGL length required to circumvent protein fouling is significantly smaller than the one required for PEO. This feature and the safety concerns regarding the synthetic procedures on the preparation of poly(ethylene oxide)-based amphiphilic copolymers might make polyglycidol a promising alternative toward the production of nonfouling spherical particles.
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Affiliation(s)
- Haiqin Du
- Equipe Chimie des Polymères, Institut Parisien de Chimie Moléculaire (UMR-CNRS 8232) , Sorbonne Université , 75252 Paris , France
| | - Fernando A de Oliveira
- Centro de Ciências Naturais e Humanas , Universidade Federal do ABC , 09210-580 Santo André , Brazil
| | - Lindomar J C Albuquerque
- Centro de Ciências Naturais e Humanas , Universidade Federal do ABC , 09210-580 Santo André , Brazil
| | - Guillaume Tresset
- Laboratoire de Physique des Solides, CNRS, Univ. Paris-Sud , Université Paris-Saclay , 91400 Orsay , France
| | - Ewa Pavlova
- Institute of Macromolecular Chemistry , 162 06 Prague , Czech Republic
| | - Cécile Huin
- Equipe Chimie des Polymères, Institut Parisien de Chimie Moléculaire (UMR-CNRS 8232) , Sorbonne Université , 75252 Paris , France
- Université d'Evry Val d'Essonne, Université Paris-Saclay , 91000 Evry , France
| | - Philippe Guégan
- Equipe Chimie des Polymères, Institut Parisien de Chimie Moléculaire (UMR-CNRS 8232) , Sorbonne Université , 75252 Paris , France
| | - Fernando C Giacomelli
- Equipe Chimie des Polymères, Institut Parisien de Chimie Moléculaire (UMR-CNRS 8232) , Sorbonne Université , 75252 Paris , France
- Centro de Ciências Naturais e Humanas , Universidade Federal do ABC , 09210-580 Santo André , Brazil
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Dimeric camptothecin-loaded mPEG-PCL nanoparticles with high drug loading and reduction-responsive drug release. Colloid Polym Sci 2019. [DOI: 10.1007/s00396-019-04581-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Rotman SG, Thompson K, Grijpma DW, Richards RG, Moriarty TF, Eglin D, Guillaume O. Development of bone seeker-functionalised microspheres as a targeted local antibiotic delivery system for bone infections. J Orthop Translat 2019; 21:136-145. [PMID: 32309139 PMCID: PMC7152806 DOI: 10.1016/j.jot.2019.07.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 07/04/2019] [Accepted: 07/23/2019] [Indexed: 02/01/2023] Open
Abstract
Objective Bone infections are challenging to treat because of limited capability of systemic antibiotics to accumulate at the bone site. To enhance therapeutic action, systemic treatments are commonly combined with local antibiotic-loaded materials. Nevertheless, available drug carriers have undesirable properties, including inappropriate antibiotic release profiles and nonbiodegradability. To alleviate such limitations, we aim to develop a drug delivery system (DDS) for local administration that can interact strongly with bone mineral, releasing antibiotics at the infected bone site. Methods Biodegradable polyesters (poly (ε-caprolactone) or poly (D,l-lactic acid)) were selected to fabricate antibiotic-loaded microspheres by oil in water emulsion. Antibiotic release and antimicrobial effects on Staphylococcus aureus were assessed by zone of inhibition measurements. Microsphere bone affinity was increased by functionalising the bisphosphonate drug alendronate to the microsphere surface using carbodiimide chemistry. Effect of bone targeting microspheres on bone homeostasis was tested by looking at the resorption potential of osteoclasts exposed to the developed microspheres. Results In vitro, the antibiotic release profile from the microspheres was shown to be dependent on the polymer used and the microsphere preparation method. Mineral binding assays revealed that microsphere surface modification with alendronate significantly enhanced interaction with bone-like materials. Additionally, alendronate functionalised microspheres did not differentially affect osteoclast mineral resorption in vitro, compared with nonfunctionalised microspheres. Conclusion We report the development and characterisation of a DDS which can release antibiotics in a sustained manner. Surface-grafted alendronate groups enhanced bone affinity of the microsphere construct, resulting in a bone targeting DDS. The Translational Potential of this Article The DDS presented can be loaded with hydrophobic antibiotics, representing a potential, versatile and biodegradable candidate to locally treat bone infection.
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Affiliation(s)
- Stijn G Rotman
- Musculoskeletal Regeneration Program, AO Research Institute Davos, Davos, Switzerland.,Department of Biomaterials Science and Technology, Faculty of Science and Technology, Technical Medical Centre, University of Twente, Enschede, the Netherlands
| | - Keith Thompson
- Musculoskeletal Regeneration Program, AO Research Institute Davos, Davos, Switzerland
| | - Dirk W Grijpma
- Department of Biomaterials Science and Technology, Faculty of Science and Technology, Technical Medical Centre, University of Twente, Enschede, the Netherlands
| | - Robert G Richards
- Musculoskeletal Regeneration Program, AO Research Institute Davos, Davos, Switzerland
| | - Thomas F Moriarty
- Musculoskeletal Regeneration Program, AO Research Institute Davos, Davos, Switzerland
| | - David Eglin
- Musculoskeletal Regeneration Program, AO Research Institute Davos, Davos, Switzerland
| | - Olivier Guillaume
- Musculoskeletal Regeneration Program, AO Research Institute Davos, Davos, Switzerland
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de Castro CE, Ribeiro CAS, da Silva MCC, Gonçalves Dal-Bó A, Giacomelli FC. Sweetness Reduces Cytotoxicity and Enables Faster Cellular Uptake of Sub-30 nm Amphiphilic Nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:8060-8067. [PMID: 31117721 DOI: 10.1021/acs.langmuir.8b04200] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Glycoconjugates are versatile entities used for the manufacturing of targeted drug delivery nanocontainers because of their outstanding capability to bind to lectins, which are proteins that can be found overexpressed in the membranes of unhealthy cells. The assisted attachment to pathological cells can further enable a more efficient intracellular delivery of loaded active agents, thereby reducing side effects that commonly compromise chemotherapies. In this framework, azide-terminated polyethylene oxide (PEO) chains coupled to a 22-carbon chain were synthesized (azide-PEO900-docosanoate). The resulting amphiphile was further functionalized by introducing different sugar moieties to the PEO chains via the click chemistry approach. Sub-30 nm, negatively charged, and spherical nanoparticles were prepared in water by self-assembly of the synthesized molecules using the straightforward nanoprecipitation protocol. The produced entities do not induce hemolysis in red blood cells at c ≤ 200 μg mL-1, and they are not cytotoxic to healthy cells [telomerase immortalized rhesus fibroblasts (Telo-RF)] at c ≤ 50 μg mL-1. The sugar-decorated nanoparticles are less cytotoxic compared with their naked counterparts at the concentration range assessed. The kinetics of cellular uptake of both entities into normal (Telo-RF) and tumor (HeLa) cells were monitored via fluorescence microscopy and flow cytometry. The nanoparticles are internalized faster in cancer cells than in normal cells, regardless of functionalization. Moreover, the functionalized nanoparticles are internalized faster in HeLa cells, while the reverse was observed in healthy Telo-RF cells. The distinct surface characteristics of the assemblies create an opportunity to expedite the uptake of nanoparticles particularly by tumor cells, and this accordingly can lead to a more effective intracellular delivery of therapeutic molecules loaded into nanoparticle's reservoirs.
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Affiliation(s)
- Carlos E de Castro
- Centro de Ciências Naturais e Humanas , Universidade Federal do ABC , 09210-580 Santo André , São Paulo , Brazil
| | - Caroline A S Ribeiro
- Centro de Ciências Naturais e Humanas , Universidade Federal do ABC , 09210-580 Santo André , São Paulo , Brazil
| | - Maria C C da Silva
- Centro de Ciências Naturais e Humanas , Universidade Federal do ABC , 09210-580 Santo André , São Paulo , Brazil
| | - Alexandre Gonçalves Dal-Bó
- Universidade do Extremo Sul Catarinense-UNESC , Av. Universitária 1105 , 88806-000 Criciúma , Santa Catarina , Brazil
| | - Fernando C Giacomelli
- Centro de Ciências Naturais e Humanas , Universidade Federal do ABC , 09210-580 Santo André , São Paulo , Brazil
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de Castro CE, Ribeiro CAS, Alavarse AC, Albuquerque LJC, da Silva MCC, Jäger E, Surman F, Schmidt V, Giacomelli C, Giacomelli FC. Nanoparticle-Cell Interactions: Surface Chemistry Effects on the Cellular Uptake of Biocompatible Block Copolymer Assemblies. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:2180-2188. [PMID: 29338258 DOI: 10.1021/acs.langmuir.7b04040] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The development of nanovehicles for intracellular drug delivery is strongly bound to the understating and control of nanoparticles cellular uptake process, which in turn is governed by surface chemistry. In this study, we explored the synthesis, characterization, and cellular uptake of block copolymer assemblies consisting of a pH-responsive poly[2-(diisopropylamino)ethyl methacrylate] (PDPA) core stabilized by three different biocompatible hydrophilic shells (a zwitterionic type poly(2-methacryloyloxyethyl phosphorylcholine) (PMPC) layer, a highly hydrated poly(ethylene oxide) (PEO) layer with stealth effect, and an also proven nontoxic and nonimmunogenic poly(N-(2-hydroxypropyl)methacrylamide) (PHPMA) layer). All particles had a spherical core-shell structure. The largest particles with the thickest hydrophilic stabilizing shell obtained from PMPC40-b-PDPA70 were internalized to a higher level than those smaller in size and stabilized by PEO or PHPMA and produced from PEO122-b-PDPA43 or PHPMA64-b-PDPA72, respectively. Such a behavior was confirmed among different cell lines, with assemblies being internalized to a higher degree in cancer (HeLa) as compared to healthy (Telo-RF) cells. This fact was mainly attributed to the stronger binding of PMPC to cell membranes. Therefore, cellular uptake of nanoparticles at the sub-100 nm size range may be chiefly governed by the chemical nature of the stabilizing layer rather than particles size and/or shell thickness.
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Affiliation(s)
- Carlos E de Castro
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC , Santo André, Brazil
| | - Caroline A S Ribeiro
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC , Santo André, Brazil
| | - Alex C Alavarse
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC , Santo André, Brazil
| | | | - Maria C C da Silva
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC , Santo André, Brazil
| | - Eliézer Jäger
- Institute of Macromolecular Chemistry v.v.i., Academy of Sciences of the Czech Republic , Heyrovsky Sq. 2, 162 06 Prague 6, Czech Republic
| | - František Surman
- Institute of Macromolecular Chemistry v.v.i., Academy of Sciences of the Czech Republic , Heyrovsky Sq. 2, 162 06 Prague 6, Czech Republic
| | - Vanessa Schmidt
- Departamento de Química, Universidade Federal de Santa Maria , 97105-900 Santa Maria, RS, Brazil
| | - Cristiano Giacomelli
- Departamento de Química, Universidade Federal de Santa Maria , 97105-900 Santa Maria, RS, Brazil
| | - Fernando C Giacomelli
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC , Santo André, Brazil
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