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Song D, Crouse B, Vigliaturo J, Wu MM, Heimisdottir D, Kassick AJ, Averick SE, Raleigh MD, Pravetoni M. Multivalent Vaccination Strategies Protect against Exposure to Polydrug Opioid and Stimulant Mixtures in Mice and Rats. ACS Pharmacol Transl Sci 2024; 7:363-374. [PMID: 38357285 PMCID: PMC10863445 DOI: 10.1021/acsptsci.3c00228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 11/19/2023] [Accepted: 12/01/2023] [Indexed: 02/16/2024]
Abstract
Illicit drug mixtures containing opioids and stimulants have been responsible for the majority of fatal drug overdoses among occasional users, and those with either opioid use disorder (OUD) or substance use disorder (SUD). As a complementary strategy to current pharmacotherapies, active immunization with conjugate vaccines has been proposed as a viable intervention to treat OUD as well as other SUD for which there are either limited or no treatment options. Vaccination against opioids and stimulants could help address the limitations of current medications (e.g., patient access, compliance, misuse liability, and safety) by providing an additional tool to prevent drug misuse and/or overdoses. However, more research is needed to fully understand the potential benefits and limitations of using vaccines to treat SUD and overdose and to inform us on how to deploy this strategy in the field. Previous reports have shown promise by combining two vaccines into bivalent vaccine formulations to concurrently target multiple drugs. Here, multiple individual candidate monovalent vaccines were incrementally combined in multivalent vaccine formulations to simultaneously target fentanyl, carfentanil, oxycodone, heroin, methamphetamine, and their analogs or metabolites. Bi-, tri-, and quadrivalent vaccine formulations induced the formation of independent serum antibody responses against their respective opioid targets and selectively attenuated the distribution of each individual drug to the brain in mice and rats. Results indicate that a single injection of an admixed multivalent vaccine formulation may be more effective than coinjecting multiple monovalent vaccines at multiple sites. Finally, adding a methamphetamine conjugate vaccine to an quadrivalent opioid vaccine in a pentavalent formulation did not interfere with the production of effective antiopioid IgG antibodies. Multivalent vaccines could provide multifaceted, yet selective, protection against polydrug use and exposure.
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Affiliation(s)
- Daihyun Song
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
| | - Bethany Crouse
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
- School
of Veterinary Population Medicine, University
of Minnesota, St. Paul, Minnesota 55455, United States
| | - Jennifer Vigliaturo
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
| | - Mariah M. Wu
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
- School
of Veterinary Population Medicine, University
of Minnesota, St. Paul, Minnesota 55455, United States
| | - Dagny Heimisdottir
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
| | - Andrew J. Kassick
- Neuroscience
Disruptive Research Lab, Allegheny Health
Network Research Institute, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212, United States
| | - Saadyah E. Averick
- Neuroscience
Disruptive Research Lab, Allegheny Health
Network Research Institute, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212, United States
- Neuroscience
Institute, Allegheny Health Network, Allegheny
General Hospital, Pittsburgh, Pennsylvania 15212, United States
| | - Michael D. Raleigh
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
| | - Marco Pravetoni
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
- Department
of Psychiatry and Behavioral Sciences, University
of Washington School of Medicine, Seattle, Washington 98195, United States
- University
of Washington Center for Medication Development for Substance Use
Disorders; Garvey Institute for Brain Solutions, Seattle,Washington 98195, United States
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2
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Baehr C, Kassick AJ, Vigliaturo J, Luengas D, Khaimraj A, Pravetoni M, Averick SE, Raleigh MD. Anti-Strychnine Immunoconjugate Reduces the Effects of Strychnine-Induced Toxicity in Mice. ACS Chem Neurosci 2023; 14:1291-1298. [PMID: 36952479 DOI: 10.1021/acschemneuro.2c00797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/25/2023] Open
Abstract
Strychnine poisoning induces seizures that result in loss of control of airway muscles, leading to asphyxiation and subsequent death. Current treatment options are limited, requiring hands-on medical care and isolation to low-stimulus environments. Anticonvulsants and muscle relaxants have shown limited success in cases of severe toxicity. Furthermore, nonfatal strychnine poisoning is likely to result in long-term muscular and cognitive damage. Due to its potency, accessibility, and lack of effective antidotes, strychnine poses a unique threat for mass casualty incidents. As a first step toward developing an anti-strychnine immunotherapy to reduce or prevent strychnine-induced seizures, a strychnine vaccine was synthesized using subunit keyhole limpet hemocyanin. Mice were vaccinated with the strychnine immunoconjugate and then given a 0.75 mg/kg IP challenge of strychnine and observed for seizures for 30 min. Vaccination reduced strychnine-induced events, and serum strychnine levels were increased while brain strychnine levels were decreased in vaccinated animals compared to the control. These data demonstrate that strychnine-specific antibodies can block the seizure-inducing effects of strychnine and could be used to develop a therapeutic for strychnine poisoning.
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Affiliation(s)
- Carly Baehr
- Department of Pharmacology, University of Minnesota Medical School Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Andrew J Kassick
- Neuroscience Disruptive Research Lab, Allegheny Health Network Research Institute, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212, United States
- Neuroscience Institute, Allegheny Health Network, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212, United States
| | - Jennifer Vigliaturo
- Department of Pharmacology, University of Minnesota Medical School Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Diego Luengas
- Department of Pharmacology, University of Minnesota Medical School Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Aaron Khaimraj
- Department of Pharmacology, University of Minnesota Medical School Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Marco Pravetoni
- Department of Pharmacology, University of Minnesota Medical School Twin Cities, Minneapolis, Minnesota 55455, United States
- Center for Immunology, University of Minnesota Medical School, Minneapolis, Minnesota 55455, United States
- Department of Psychiatry and Behavioral Sciences, and Department of Pharmacology, University of Washington School of Medicine, Seattle, Washington 98104, United States
| | - Saadyah E Averick
- Neuroscience Disruptive Research Lab, Allegheny Health Network Research Institute, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212, United States
- Neuroscience Institute, Allegheny Health Network, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212, United States
| | - Michael D Raleigh
- Department of Pharmacology, University of Minnesota Medical School Twin Cities, Minneapolis, Minnesota 55455, United States
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3
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Zhang Y, Fu L, Martinez MR, Sun H, Nava V, Yan J, Ristroph K, Averick SE, Marelli B, Giraldo JP, Matyjaszewski K, Tilton RD, Lowry GV. Temperature-Responsive Bottlebrush Polymers Deliver a Stress-Regulating Agent In Vivo for Prolonged Plant Heat Stress Mitigation. ACS Sustain Chem Eng 2023; 11:3346-3358. [PMID: 36874196 PMCID: PMC9976702 DOI: 10.1021/acssuschemeng.2c06461] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 02/03/2023] [Indexed: 06/18/2023]
Abstract
Anticipated increases in the frequency and intensity of extreme temperatures will damage crops. Methods that efficiently deliver stress-regulating agents to crops can mitigate these effects. Here, we describe high aspect ratio polymer bottlebrushes for temperature-controlled agent delivery in plants. The foliar-applied bottlebrush polymers had near complete uptake into the leaf and resided in both the apoplastic regions of the leaf mesophyll and in cells surrounding the vasculature. Elevated temperature enhanced the in vivo release of spermidine (a stress-regulating agent) from the bottlebrushes, promoting tomato plant (Solanum lycopersicum) photosynthesis under heat and light stress. The bottlebrushes continued to provide protection against heat stress for at least 15 days after foliar application, whereas free spermidine did not. About 30% of the ∼80 nm short and ∼300 nm long bottlebrushes entered the phloem and moved to other plant organs, enabling heat-activated release of plant protection agents in phloem. These results indicate the ability of the polymer bottlebrushes to release encapsulated stress relief agents when triggered by heat to provide long-term protection to plants and the potential to manage plant phloem pathogens. Overall, this temperature-responsive delivery platform provides a new tool for protecting plants against climate-induced damage and yield loss.
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Affiliation(s)
- Yilin Zhang
- Department
of Civil and Environmental Engineering, Center for Environmental Implications
of Nano Technology (CEINT), Department of Chemistry, Department of Chemical Engineering, Department of Biomedical
Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Liye Fu
- Department
of Civil and Environmental Engineering, Center for Environmental Implications
of Nano Technology (CEINT), Department of Chemistry, Department of Chemical Engineering, Department of Biomedical
Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Michael R. Martinez
- Department
of Civil and Environmental Engineering, Center for Environmental Implications
of Nano Technology (CEINT), Department of Chemistry, Department of Chemical Engineering, Department of Biomedical
Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Hui Sun
- Department
of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Valeria Nava
- Department
of Civil and Environmental Engineering, Center for Environmental Implications
of Nano Technology (CEINT), Department of Chemistry, Department of Chemical Engineering, Department of Biomedical
Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Jiajun Yan
- Department
of Civil and Environmental Engineering, Center for Environmental Implications
of Nano Technology (CEINT), Department of Chemistry, Department of Chemical Engineering, Department of Biomedical
Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Kurt Ristroph
- Department
of Civil and Environmental Engineering, Center for Environmental Implications
of Nano Technology (CEINT), Department of Chemistry, Department of Chemical Engineering, Department of Biomedical
Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Saadyah E. Averick
- Neuroscience
Institute, Allegheny Health Network, Allegheny
General Hospital, Pittsburgh, Pennsylvania 15212, United States
| | - Benedetto Marelli
- Department
of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Juan Pablo Giraldo
- Department
of Botany and Plant Sciences, University
of California, Riverside, California 92521, United States
| | - Krzysztof Matyjaszewski
- Department
of Civil and Environmental Engineering, Center for Environmental Implications
of Nano Technology (CEINT), Department of Chemistry, Department of Chemical Engineering, Department of Biomedical
Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Robert D. Tilton
- Department
of Civil and Environmental Engineering, Center for Environmental Implications
of Nano Technology (CEINT), Department of Chemistry, Department of Chemical Engineering, Department of Biomedical
Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Gregory V. Lowry
- Department
of Civil and Environmental Engineering, Center for Environmental Implications
of Nano Technology (CEINT), Department of Chemistry, Department of Chemical Engineering, Department of Biomedical
Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
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4
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Ebqa’ai M, Tamimi MF, Kassick AJ, Averick SE, Nelson TL. One-Pot Phenolic-Initiated Mechanochemical Synthesis of Poly(lactic acid) Nanoparticles: Application of the Artificial Neural Network Algorithm to Perform Sensitivity Assessment Models. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mohammad Ebqa’ai
- Department of Chemistry, Oklahoma State University, Stillwater, Oklahoma74078, United States
| | - Mohammad F. Tamimi
- Department of Civil and Environmental Engineering, Oklahoma State University, Stillwater, Oklahoma74078, United States
| | - Andrew J. Kassick
- Neuroscience Institute, Allegheny Health Network, Allegheny General Hospital, Pittsburgh, Pennsylvania15212, United States
| | - Saadyah E. Averick
- Neuroscience Institute, Allegheny Health Network, Allegheny General Hospital, Pittsburgh, Pennsylvania15212, United States
| | - Toby L. Nelson
- Department of Chemistry, Oklahoma State University, Stillwater, Oklahoma74078, United States
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5
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Baehr C, Robinson C, Kassick A, Jahan R, Gradinati V, Averick SE, Runyon SP, Pravetoni M. Preclinical Efficacy and Selectivity of Vaccines Targeting Fentanyl, Alfentanil, Sufentanil, and Acetylfentanyl in Rats. ACS Omega 2022; 7:16584-16592. [PMID: 35601290 PMCID: PMC9118421 DOI: 10.1021/acsomega.2c00820] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 04/20/2022] [Indexed: 06/15/2023]
Abstract
The ongoing public health emergency of opioid use disorders (OUD) and overdose in the United States is largely driven by fentanyl and its related analogues and has resulted in over 75 673 deaths in 2021. Immunotherapeutics such as vaccines have been investigated as a potential interventional strategy complementary to current pharmacotherapies to reduce the incidence of OUD and opioid-related overdose. Given the importance of targeting structurally distinct fentanyl analogues, this study compared a previously established lead conjugate vaccine (F1-CRM) to a series of novel vaccines incorporating haptens derived from alfentanil and acetylfentanyl (F8, 9a, 9b, 10), and evaluated their efficacy against drug-induced pharmacological effects in rats. While no vaccine tested provided significant protection against alfentanil, lead formulations were effective in reducing antinociception, respiratory depression, and bradycardia elicited by fentanyl, sufentanil, and acetylfentanyl. Compared with control, vaccination with F1-CRM also reduced drug levels in the brain of rats challenged with lethal doses of fentanyl. These data further support investigation of F1-CRM as a candidate vaccine against fentanyl and selected analogues.
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Affiliation(s)
- Carly Baehr
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
| | - Christine Robinson
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
| | - Andrew Kassick
- Neuroscience
Disruptive Research Lab, Allegheny Health
Network Research Institute, Pittsburgh, Pennsylvania 15212, United States
| | - Rajwana Jahan
- RTI
International, Research
Triangle Park, North Carolina 27709, United States
| | - Valeria Gradinati
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
| | - Saadyah E. Averick
- Neuroscience
Disruptive Research Lab, Allegheny Health
Network Research Institute, Pittsburgh, Pennsylvania 15212, United States
| | - Scott P. Runyon
- RTI
International, Research
Triangle Park, North Carolina 27709, United States
| | - Marco Pravetoni
- Department
of Pharmacology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
- Center
for Immunology, University of Minnesota
Medical School, Minneapolis, Minnesota 55455, United States
- Department
of Psychiatry and Behavioral Sciences, University
of Washington School of Medicine, Seattle, Washington 98104, United States
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6
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Zhang X, Qin B, Wang M, Feng J, Zhang C, Zhu C, He S, Liu H, Wang Y, Averick SE, Vo NTN, Huang L, Liu W, Wang Z. Dual pH-Responsive and Tumor-Targeted Nanoparticle-Mediated Anti-Angiogenesis siRNA Delivery for Tumor Treatment. Int J Nanomedicine 2022; 17:953-967. [PMID: 35280336 PMCID: PMC8906879 DOI: 10.2147/ijn.s340926] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 02/18/2022] [Indexed: 12/12/2022] Open
Abstract
Purpose In order to overcome the biological barriers at all levels and enhance the delivery efficiency of siRNA, we have prepared a multifunctional siRNA delivery system (CHCE/siRNA nanoparticles) through self-assembly of the carboxymethyl chitosan modified with histidine, cholesterol, and anti-EGFR antibody (CHCE). Methods The morphology of CHCE/siRNA NPs was detected by dynamic light scattering and scanning electron microscope. In vitro, we assessed the tumor-targeting, cellular uptake, and endosomal escape by flow cytometry and confocal laser scanning microscopy, confirming the CHCE/siRNA NPs functions in gene silencing and cell killing ability. In vivo, we examined the biodistribution of the CHCE/siRNA NPs by the IVIS imaging system and confirmed the therapeutic effect of NPs in the nude-mouse tumor model. Results The CHCE/siRNA NPs exhibited nanosized spherical with narrow size distribution. In vitro, the CHCE/siRNA NPs incorporated a dual capability of tumor targeting and pH response that could facilitate cellular bind, cellular uptake, and endosomal escape. The CHCE/siRNA NPs could effectively silence the vascular endothelial growth factor A (VEGFA) to cause cell apoptosis and inhibit proliferation. In vivo, the CHCE/siRNA NPs could target tumor sites to knock down VEGFA and achieve a better anti-tumor effect. Conclusion We successfully prepared a novel siRNA delivery system with the double capability of tumor targeting and pH response, which can break through the biological barriers to penetrate deep into tumors and achieve better therapeutic tumor effects, providing a new ideal delivery platform for siRNA.
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Affiliation(s)
- Xiangyang Zhang
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Bin Qin
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Min Wang
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Junyi Feng
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Chenglin Zhang
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Chengshen Zhu
- School of Material Science and Engineering, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Suqin He
- School of Material Science and Engineering, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Hao Liu
- School of Material Science and Engineering, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Yaohe Wang
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Saadyah E Averick
- Neuroscience Institute, Allegheny Health Network, Allegheny General Hospital, Pittsburgh, PA, USA
| | - Nga T N Vo
- School of Engineering, Newcastle University, Newcastle Upon Tyne, NE1 7RU, UK
| | - Lei Huang
- Inflammations Immunity Research Theme, Translational and Clinical Research Institute, FMS, Newcastle University, Newcastle Upon Tyne, NE1 7RU, UK
| | - Wentao Liu
- School of Material Science and Engineering, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Zhimin Wang
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
- Correspondence: Zhimin Wang; Wentao Liu, Email ;
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7
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Fu L, Jafari H, Gießl M, Yerneni SS, Sun M, Wang Z, Liu T, Kapil K, Cheng BC, Yu A, Averick SE, Matyjaszewski K. Grafting Polymer Brushes by ATRP from Functionalized Poly(ether ether ketone) Microparticles. POLYM ADVAN TECHNOL 2021; 32:3948-3954. [PMID: 34924736 PMCID: PMC8680496 DOI: 10.1002/pat.5405] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 05/17/2021] [Indexed: 11/10/2022]
Abstract
Poly(ether ether ketone) (PEEK) is a semi-crystalline thermoplastic with excellent mechanical and chemical properties. PEEK exhibits a high degree of resistance to thermal, chemical, and bio-degradation. PEEK is used as biomaterial in the field of orthopaedic and dental implants; however, due to its intrinsic hydrophobicity and inert surface, PEEK does not effectively support bone growth. Therefore, new methods to modify PEEK's surface to improve osseointegration are key to next generation polymer implant materials. Unfortunately, PEEK is a challenging material to both modify and subsequently characterize thus stymieing efforts to improve PEEK osseointegration. In this manuscript, we demonstrate how surface-initiated atom transfer radical polymerization (SI-ATRP) can be used to modify novel PEEK microparticles (PMP). The hard core-soft shell microparticles were synthesized and characterized by DLS, ATR-IR, XPS and TEM, indicating the grafted materials increased solubility and stability in a range of solvents. The discovered surface grafted PMP can be used as compatibilizers for the polymer-tissue interface.
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Affiliation(s)
- Liye Fu
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213, United States
| | - Hossein Jafari
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213, United States
| | - Michael Gießl
- Department of Chemistry, University of Konstanz, Universitatsstraße 10, D-78457 Konstanz, Germany
| | | | - Mingkang Sun
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213, United States
| | - Zongyu Wang
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213, United States
| | - Tong Liu
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213, United States
| | - Kriti Kapil
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213, United States
| | - Boyle C. Cheng
- Allegheny Health Network - Neuroscience Institute, 320 E. North Avenue, Pittsburgh, Pennsylvania 15212, United States
| | - Alexander Yu
- Allegheny Health Network - Neuroscience Institute, 320 E. North Avenue, Pittsburgh, Pennsylvania 15212, United States
| | - Saadyah E. Averick
- Allegheny Health Network - Neuroscience Institute, 320 E. North Avenue, Pittsburgh, Pennsylvania 15212, United States
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8
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Fu L, Omi M, Sun M, Cheng B, Mao G, Liu T, Mendonça G, Averick SE, Mishina Y, Matyjaszewski K. Covalent Attachment of P15 Peptide to Ti Alloy Surface Modified with Polymer to Enhance Osseointegration of Implants. ACS Appl Mater Interfaces 2019; 11:38531-38536. [PMID: 31599570 PMCID: PMC6993989 DOI: 10.1021/acsami.9b14651] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Titanium (Ti) and its alloys are used in orthopedic and dental implants due to their excellent physical properties and biocompatibility. Although Ti exhibits superior osteoconductive properties compared to those of polymer-based implants, improved bone-on growth properties are required for enhanced surgical outcomes and improved recovery surgical interventions. Herein, we demonstrate a novel surface modification strategy to enhance the osteoconductivity of Ti surfaces through the grafting-from procedure of a reactive copolymer via surface-initiated atom transfer radical polymerization (SI-ATRP). Then, postpolymerization conjugation of the P15 peptide, an osteoblast binding motif, was successfully carried out. Subsequent in vitro studies revealed that the surface modification promoted osteoblast attachment on the Ti discs at 6 and 24 h. Moreover, mineral matrix deposition by osteoblasts was greater for the surface-modified Ti than for plain Ti and P15 randomly absorbed onto the Ti surface. These results suggest that the strategy for postpolymerization incorporation of P15 onto a Ti surface with a polymer interface may provide improved osseointegration outcomes, leading to enhanced quality of life for patients.
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Affiliation(s)
- Liye Fu
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Maiko Omi
- Department of Biologic and Materials Sciences & Prothodontics, University of Michigan School of Dentistry, Ann Arbor, Michigan 48109, United States
| | - Mingkang Sun
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Boyle Cheng
- Neuroscience Disruptive Research Lab, Allegheny Health Network, 320 East North Avenue, Pittsburgh, Pennsylvania 15212, United States
| | - Gordon Mao
- Neuroscience Disruptive Research Lab, Allegheny Health Network, 320 East North Avenue, Pittsburgh, Pennsylvania 15212, United States
| | - Tong Liu
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Gustavo Mendonça
- Department of Biologic and Materials Sciences & Prothodontics, University of Michigan School of Dentistry, Ann Arbor, Michigan 48109, United States
| | - Saadyah E. Averick
- Neuroscience Disruptive Research Lab, Allegheny Health Network, 320 East North Avenue, Pittsburgh, Pennsylvania 15212, United States
| | - Yuji Mishina
- Department of Biologic and Materials Sciences & Prothodontics, University of Michigan School of Dentistry, Ann Arbor, Michigan 48109, United States
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
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9
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Li S, Omi M, Cartieri F, Konkolewicz D, Mao G, Gao H, Averick SE, Mishina Y, Matyjaszewski K. Cationic Hyperbranched Polymers with Biocompatible Shells for siRNA Delivery. Biomacromolecules 2018; 19:3754-3765. [PMID: 30148627 DOI: 10.1021/acs.biomac.8b00902] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Cationic hyperbranched polymers (HBP) were prepared by self-condensing vinyl polymerization of an atom transfer radical polymerization (ATRP) inimer containing a quaternary ammonium group. Two types of biocompatible shells, poly(oligoethylene glycol) methacrylate (polyOEGMA) and poly(2-(methylsulfinyl) ethyl methacrylate) (polyDMSO), were grafted respectively from HBP core to form core-shell structures with low molecular weight dispersity and high biocompatibility, polyOEGMA-HBP and polyDMSO-HBP. Both of the structures showed low cytotoxicity and good siRNA complexing ability. The efficacy of gene silencing against Runt-related transcription factor 2 ( Runx2) expression and the long-term assessment of mineralized nodule formation in osteoblast cultures were evaluated. The biocompatible core-shell structures were crucial to minimizing undesired cytotoxicity and nonspecific gene suppression. polyDMSO-HBP showed higher efficacy of forming polyplexes than polyOEGMA-HBP due to shell with lower steric hindrance. Overall, the gene silencing efficiency of both core-shell structures was comparable to commercial agent Lipofectamine, indicating long-term potential for gene silencing to treat heterotopic ossification (HO).
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Affiliation(s)
- Sipei Li
- Department of Chemistry , Carnegie Mellon University , 4400 Fifth Avenue , Pittsburgh , Pennsylvania 15213 , United States
| | - Maiko Omi
- Department of Biological and Materials Sciences , University of Michigan , 1011 N. University , Ann Arbor , Michigan 48109 , United States
| | - Francis Cartieri
- Allegheny Health Network - Neuroscience Disruptive Research Lab , 320 E. North Avenue , Pittsburgh , Pennsylvania 15212 , United States
| | - Dominik Konkolewicz
- Department of Chemistry and Biochemistry , Miami University , 651 E. High Street , Oxford , Ohio 45056 , United States
| | - Gordon Mao
- Allegheny Health Network - Neuroscience Disruptive Research Lab , 320 E. North Avenue , Pittsburgh , Pennsylvania 15212 , United States
| | - Haifeng Gao
- Department of Chemistry and Biochemistry , University of Notre Dame , 305C McCourtney Hall , Notre Dame , Indiana 46556 , United States
| | - Saadyah E Averick
- Allegheny Health Network - Neuroscience Disruptive Research Lab , 320 E. North Avenue , Pittsburgh , Pennsylvania 15212 , United States
| | - Yuji Mishina
- Department of Biological and Materials Sciences , University of Michigan , 1011 N. University , Ann Arbor , Michigan 48109 , United States
| | - Krzysztof Matyjaszewski
- Department of Chemistry , Carnegie Mellon University , 4400 Fifth Avenue , Pittsburgh , Pennsylvania 15213 , United States
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10
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Yan J, Li S, Cartieri F, Wang Z, Hitchens TK, Leonardo J, Averick SE, Matyjaszewski K. Iron Oxide Nanoparticles with Grafted Polymeric Analogue of Dimethyl Sulfoxide as Potential Magnetic Resonance Imaging Contrast Agents. ACS Appl Mater Interfaces 2018; 10:21901-21908. [PMID: 29889490 DOI: 10.1021/acsami.8b06416] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Novel water-dispersible hybrid iron oxide nanoparticles grafted with a polymeric analogue of dimethyl sulfoxide (DMSO) were prepared. Superparamagnetic iron oxide nanoparticles with immobilized atom-transfer radical polymerization (ATRP) initiators were prepared via an in situ method using 12-(2-bromoisobutyramido)dodecanoic acid as a surface ligand/initiator. The initiator-functionalized particles were employed in a surface-initiated initiator for continuous activator regeneration ATRP to graft poly(2-(methylsulfinyl)ethyl acrylate) (a polyacrylate analogue of DMSO) from the surface. The resulting hybrid nanoparticles showed a high magnetic relaxivity ratio ( r2/ r1) of 600 at 7 T in fetal bovine serum, and a good biocompatibility up to 1000 mg L-1.
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Affiliation(s)
- Jiajun Yan
- Department of Chemistry , Carnegie Mellon University , Pittsburgh , Pennsylvania 15213 , United States
| | - Sipei Li
- Department of Chemistry , Carnegie Mellon University , Pittsburgh , Pennsylvania 15213 , United States
| | - Francis Cartieri
- Neuroscience Disruptive Research Lab , Neuroscience Institute, Allegheny Health Network , Pittsburgh , Pennsylvania 15212 , United States
| | - Zongyu Wang
- Department of Chemistry , Carnegie Mellon University , Pittsburgh , Pennsylvania 15213 , United States
| | - T Kevin Hitchens
- Animal Imaging Center and Department of Neurobiology , University of Pittsburgh , Pittsburgh , Pennsylvania 15203 , United States
| | - Jody Leonardo
- Neuroscience Institute, Allegheny Health Network , Pittsburgh , Pennsylvania 15212 , United States
| | - Saadyah E Averick
- Neuroscience Disruptive Research Lab , Neuroscience Institute, Allegheny Health Network , Pittsburgh , Pennsylvania 15212 , United States
| | - Krzysztof Matyjaszewski
- Department of Chemistry , Carnegie Mellon University , Pittsburgh , Pennsylvania 15213 , United States
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11
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Shrivats AR, McDermott MC, Klimak M, Averick SE, Pan H, Matyjaszewski K, Mishina Y, Hollinger JO. Nanogel-Mediated RNAi Against Runx2 and Osx Inhibits Osteogenic Differentiation in Constitutively Active BMPR1A Osteoblasts. ACS Biomater Sci Eng 2015; 1:1139-1150. [PMID: 26985455 PMCID: PMC4790085 DOI: 10.1021/acsbiomaterials.5b00294] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Trauma-induced heterotopic ossification (HO) and fibrodysplasia ossificans progressiva (FOP) are acquired and genetic variants of pathological bone formation occurring in soft tissues. Conventional treatment modalities target the inflammatory processes preceding bone formation. We investigated the development of a prophylaxis for heterotopic bone formation by addressing the biological basis for HO - dysregulation in the bone morphogenetic protein (BMP) signaling pathway. We previously reported the synthesis of cationic nanogel nanostructured polymers (NSPs) for efficient delivery of short interfering ribonucleic acids (siRNAs) and targeted gene silencing. Results suggested that nanogel:siRNA weight ratios of 1:1 and 5:1 silenced Runx2 and Osx gene expression in primary mouse osteoblasts with a constitutively active (ca) BMP Receptor 1A (BMPR1A) by the Q233D mutation. Repeated RNAi treatments over 14 days significantly inhibited alkaline phosphatase activity in caBMPR1A osteoblasts. Hydroxyapatite (HA) deposition was diminished over 28 days in culture, though complete suppression of HA deposition was not achieved. Outcome data suggested minimal cytotoxicity of nanogel-based RNAi therapeutics, and the multistage disruption of BMP-induced bone formation processes. This RNAi based approach to impeding osteoblastic differentiation and subsequent bone formation may form the basis of a clinical therapy for heterotopic bone formation.
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Affiliation(s)
- Arun R. Shrivats
- Department of Biomedical Engineering, Carnegie Mellon University, 700 Technology Drive, Pittsburgh, Pennsylvania 15219, United States
| | - Michael C. McDermott
- Department of Biomedical Engineering, Carnegie Mellon University, 700 Technology Drive, Pittsburgh, Pennsylvania 15219, United States
| | - Molly Klimak
- Department of Biomedical Engineering, Carnegie Mellon University, 700 Technology Drive, Pittsburgh, Pennsylvania 15219, United States
| | - Saadyah E. Averick
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Haichun Pan
- School of Dentistry, University of Michigan, 1011 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Yuji Mishina
- School of Dentistry, University of Michigan, 1011 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Jeffrey O. Hollinger
- Department of Biomedical Engineering, Carnegie Mellon University, 700 Technology Drive, Pittsburgh, Pennsylvania 15219, United States
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12
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Mackenzie MC, Shrivats AR, Konkolewicz D, Averick SE, McDermott MC, Hollinger JO, Matyjaszewski K. Synthesis of poly(meth)acrylates with thioether and tertiary sulfonium groups by ARGET ATRP and their use as siRNA delivery agents. Biomacromolecules 2014; 16:236-45. [PMID: 25515324 DOI: 10.1021/bm501449a] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The field of RNA interference depends on the development of safe and efficient carriers for short interfering ribonucleic acid (siRNA) delivery. Conventional cationic monomers for siRNA delivery have utilized the nitrogen heteroatom to produce cationic charges. Here, we polymerized cationic sulfonium (meth)acrylate by activators regenerated by electron transfer (ARGET) atom transfer radical polymerization (ATRP) to form polymers with narrow molecular weight distributions for siRNA delivery. The tertiary sulfonium species was stable toward dealkylation in water but less stable in the polar aprotic solvent dimethyl sulfoxide. Block copolymers poly(ethylene oxide) with poly(meth)acrylate containing sulfonium moieties were prepared as an siRNA delivery platform. Results suggested block copolymers were biocompatible up to 50 μg/mL in vitro and formed polyplexes with siRNA. Additionally, block copolymers protected siRNAs against endonuclease digestion and facilitated knockdown of glyceraldehyde 3-phosphate dehydrogenase (Gapdh) mRNA expression in murine calvarial preosteoblasts. The versatility, biocompatibility, and cationic nature of these tertiary sulfonium groups are expected to find widespread biological applications.
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Affiliation(s)
- Matthew C Mackenzie
- Department of Chemistry, Carnegie Mellon University , 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
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13
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Mukumoto K, Averick SE, Park S, Nese A, Mpoukouvalas A, Zeng Y, Koynov K, Leduc PR, Matyjaszewski K. Phototunable Supersoft Elastomers using Coumarin Functionalized Molecular Bottlebrushes for Cell-Surface Interactions Study. Macromolecules 2014. [DOI: 10.1021/ma501609c] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Kosuke Mukumoto
- Department
of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Saadyah E. Averick
- Department
of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
- Laboratory for Bimolecular Medicine, Allegheny Singer Research Institute, 320 East North Street Pittsburgh Pennsylvania 15212, United States
| | - Sangwoo Park
- Department
of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Alper Nese
- Department
of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | | | - Yukai Zeng
- Departments
of Mechanical and Biomedical Engineering and Biological Sciences, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Kaloian Koynov
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Philip R. Leduc
- Departments
of Mechanical and Biomedical Engineering and Biological Sciences, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Krzysztof Matyjaszewski
- Department
of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
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14
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Mendonça PV, Averick SE, Konkolewicz D, Serra AC, Popov AV, Guliashvili T, Matyjaszewski K, Coelho JFJ. Straightforward ARGET ATRP for the Synthesis of Primary Amine Polymethacrylate with Improved Chain-End Functionality under Mild Reaction Conditions. Macromolecules 2014. [DOI: 10.1021/ma501007j] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Patrícia V. Mendonça
- CEMUC,
Department of Chemical Engineering, University of Coimbra, 3030-790 Coimbra, Portugal
| | - Saadyah E. Averick
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Dominik Konkolewicz
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Arménio C. Serra
- CEMUC,
Department of Chemical Engineering, University of Coimbra, 3030-790 Coimbra, Portugal
| | - Anatoliy V. Popov
- Department
of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Tamaz Guliashvili
- CEMUC,
Department of Chemical Engineering, University of Coimbra, 3030-790 Coimbra, Portugal
| | - Krzysztof Matyjaszewski
- Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Jorge F. J. Coelho
- CEMUC,
Department of Chemical Engineering, University of Coimbra, 3030-790 Coimbra, Portugal
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15
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Hsu EW, Liu S, Shrivats AR, Watt ACS, McBride S, Averick SE, Cho HY, Matyjaszewski K, Hollinger JO. Cationic nanostructured polymers for siRNA delivery in murine calvarial pre-osteoblasts. J Biomed Nanotechnol 2014; 10:1130-6. [PMID: 24749407 DOI: 10.1166/jbn.2014.1823] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The endogenous RNA interference (RNAi) pathway enables control of pathologies caused by the dysregulation of proteins. Several biological molecules are active in RNAi including short interfering ribonucleic acid (siRNA). The effective utilization of siRNA as a therapeutic agent has been marked with distinct challenges, namely in intracellular delivery and achieving a sufficient dosage to affect protein expression. A delivery strategy we have developed to improve safety and efficacy of siRNA includes complexing siRNA with nanostructured polymers delivery systems (NSPs). These NSPs are synthesized via atom transfer radical polymerization (ATRP) and combine several important advances in polymer architecture for siRNA delivery. This includes shielding the cationic charge of the NSP with a poly(ethylene glycol) (PEG) shell to promote cell viability in MC3T3-E1.4 pre-osteoblasts, and minimize the inflammatory response in a C57BL/6 mouse model. In our gene knockdown experiments targeting glyceraldehyde 3-phosphate dehydrogenase Gapdh expression, star polymer and nanogel polyplexes suppressed Gapdh mRNA to levels comparable to cells treated with Lipofectamine RNAiMAX lipoplexes.
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16
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Averick SE, Dey SK, Grahacharya D, Matyjaszewski K, Das SR. Solid-Phase Incorporation of an ATRP Initiator for Polymer-DNA Biohybrids. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201308686] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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17
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Averick SE, Dey SK, Grahacharya D, Matyjaszewski K, Das SR. Solid-Phase Incorporation of an ATRP Initiator for Polymer-DNA Biohybrids. Angew Chem Int Ed Engl 2014; 53:2739-44. [DOI: 10.1002/anie.201308686] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2013] [Revised: 12/04/2013] [Indexed: 01/04/2023]
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18
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Mendonça PV, Konkolewicz D, Averick SE, Serra AC, Popov AV, Guliashvili T, Matyjaszewski K, Coelho JFJ. Synthesis of cationic poly((3-acrylamidopropyl)trimethylammonium chloride) by SARA ATRP in ecofriendly solvent mixtures. Polym Chem 2014. [DOI: 10.1039/c4py00707g] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Successful supplemental activator and reducing agent atom transfer radical polymerization of (3-acrylamidopropyl)trimethylammonium chloride under ecofriendly conditions.
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Affiliation(s)
- Patrícia V. Mendonça
- CEMUC
- Department of Chemical Engineering
- University of Coimbra
- 3030-790 Coimbra, Portugal
| | | | | | - Arménio C. Serra
- CEMUC
- Department of Chemical Engineering
- University of Coimbra
- 3030-790 Coimbra, Portugal
| | | | - Tamaz Guliashvili
- CEMUC
- Department of Chemical Engineering
- University of Coimbra
- 3030-790 Coimbra, Portugal
| | | | - Jorge F. J. Coelho
- CEMUC
- Department of Chemical Engineering
- University of Coimbra
- 3030-790 Coimbra, Portugal
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19
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Averick SE, Bazewicz CG, Woodman BF, Simakova A, Mehl RA, Matyjaszewski K. Protein–polymer hybrids: Conducting ARGET ATRP from a genetically encoded cleavable ATRP initiator. Eur Polym J 2013. [DOI: 10.1016/j.eurpolymj.2013.04.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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20
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Simakova A, Mackenzie M, Averick SE, Park S, Matyjaszewski K. Bioinspired Iron-Based Catalyst for Atom Transfer Radical Polymerization. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201306337] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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21
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Simakova A, Mackenzie M, Averick SE, Park S, Matyjaszewski K. Bioinspired Iron-Based Catalyst for Atom Transfer Radical Polymerization. Angew Chem Int Ed Engl 2013; 52:12148-51. [DOI: 10.1002/anie.201306337] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2013] [Indexed: 01/23/2023]
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22
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Averick SE, Paredes E, Dey SK, Snyder KM, Tapinos N, Matyjaszewski K, Das SR. Autotransfecting Short Interfering RNA through Facile Covalent Polymer Escorts. J Am Chem Soc 2013; 135:12508-11. [DOI: 10.1021/ja404520j] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
| | | | | | - Kristin M. Snyder
- Molecular Neuroscience Laboratory,
Weis Center for Research, Geisinger Clinic, 100 North Academy Avenue, Danville, Pennsylvania 17822, United
States
| | - Nikos Tapinos
- Molecular Neuroscience Laboratory,
Weis Center for Research, Geisinger Clinic, 100 North Academy Avenue, Danville, Pennsylvania 17822, United
States
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23
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Cho HY, Averick SE, Paredes E, Wegner K, Averick A, Jurga S, Das SR, Matyjaszewski K. Star polymers with a cationic core prepared by ATRP for cellular nucleic acids delivery. Biomacromolecules 2013; 14:1262-7. [PMID: 23560989 DOI: 10.1021/bm4003199] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Poly(ethylene glycol) (PEG)-based star polymers with a cationic core were prepared by atom transfer radical polymerization (ATRP) for in vitro nucleic acid (NA) delivery. The star polymers were synthesized by ATRP of 2-(dimethylamino)ethyl methacrylate (DMAEMA) and ethylene glycol dimethacrylate (EGDMA). Star polymers were characterized by gel permeation chromatography, zeta potential, and dynamic light scattering. These star polymers were combined with either plasmid DNA (pDNA) or short interfering RNA (siRNA) duplexes to form polyplexes for intracellular delivery. These polyplexes with either siRNA or pDNA were highly effective in NA delivery, particularly at relatively low star polymer weight or molar ratios, highlighting the importance of NA release in efficient delivery systems.
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Affiliation(s)
- Hong Y Cho
- Department of Chemistry, Center for Nucleic Acids Science and Technology, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
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24
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Reyes-Ortega F, Parra-Ruiz FJ, Averick SE, Rodríguez G, Aguilar MR, Matyjaszewski K, San Román J. Smart heparin-based bioconjugates synthesized by a combination of ATRP and click chemistry. Polym Chem 2013. [DOI: 10.1039/c3py00055a] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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25
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Averick SE, Paredes E, Irastorza A, Shrivats AR, Srinivasan A, Siegwart DJ, Magenau AJ, Cho HY, Hsu E, Averick AA, Kim J, Liu S, Hollinger JO, Das SR, Matyjaszewski K. Preparation of cationic nanogels for nucleic acid delivery. Biomacromolecules 2012; 13:3445-9. [PMID: 22967138 DOI: 10.1021/bm301166s] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Cationic nanogels with site-selected functionality were designed for the delivery of nucleic acid payloads targeting numerous therapeutic applications. Functional cationic nanogels containing quaternized 2-(dimethylamino)ethyl methacrylate and a cross-linker with reducible disulfide moieties (qNG) were prepared by activators generated by electron transfer (AGET) atom transfer radical polymerization (ATRP) in an inverse miniemulsion. Polyplex formation between the qNG and nucleic acid exemplified by plasmid DNA (pDNA) and short interfering RNA (siRNA duplexes) were evaluated. The delivery of polyplexes was optimized for the delivery of pDNA and siRNA to the Drosophila Schneider 2 (S2) cell-line. The qNG/nucleic acid (i.e., siRNA and pDNA) polyplexes were found to be highly effective in their capabilities to deliver their respective payloads.
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Affiliation(s)
- Saadyah E Averick
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA
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26
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Affiliation(s)
- Antonina Simakova
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania
15213, United States
| | - Saadyah E. Averick
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania
15213, United States
| | - Dominik Konkolewicz
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania
15213, United States
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania
15213, United States
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27
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Affiliation(s)
- Dominik Konkolewicz
- Center for Macromolecular Engineering, Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Andrew J. D. Magenau
- Center for Macromolecular Engineering, Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Saadyah E. Averick
- Center for Macromolecular Engineering, Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Antonina Simakova
- Center for Macromolecular Engineering, Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Hongkun He
- Center for Macromolecular Engineering, Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Krzysztof Matyjaszewski
- Center for Macromolecular Engineering, Department
of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
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28
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Averick SE, Paredes E, Grahacharya D, Woodman BF, Miyake-Stoner SJ, Mehl RA, Matyjaszewski K, Das SR. A protein-polymer hybrid mediated by DNA. Langmuir 2012; 28:1954-8. [PMID: 22224833 DOI: 10.1021/la204077v] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Protein-polymer hybrids (PPHs) represent an important and rapidly expanding class of biomaterials. Typically in these hybrids the linkage between the protein and the polymer is covalent. Here we describe a straightforward approach to a noncovalent PPH that is mediated by DNA. Although noncovalent, the DNA-mediated approach affords the highly specific pairing and assembly properties of DNA. To obtain the protein-DNA conjugate for assembly of the PPH, we report here the first direct copper catalyzed azide-alkyne cycloaddition-based protein-DNA conjugation. This significantly simplifies access to protein-DNA conjugates. The protein-DNA conjugate and partner polymer-DNA conjugate are readily assembled through annealing of the cDNA strands to obtain the PPH, the assembly of which was confirmed via dynamic light scattering and fluorescence spectroscopy.
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Affiliation(s)
- Saadyah E Averick
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, USA
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29
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Averick SE, Magenau AJD, Simakova A, Woodman BF, Seong A, Mehl RA, Matyjaszewski K. Covalently incorporated protein–nanogels using AGET ATRP in an inverse miniemulsion. Polym Chem 2011. [DOI: 10.1039/c1py00050k] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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