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Resina L, Esteves T, Pérez-Rafael S, García JIH, Ferreira FC, Tzanov T, Bonardd S, Díaz DD, Pérez-Madrigal MM, Alemán C. Dual electro-/pH-responsive nanoparticle/hydrogel system for controlled delivery of anticancer peptide. BIOMATERIALS ADVANCES 2024; 162:213925. [PMID: 38908101 DOI: 10.1016/j.bioadv.2024.213925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 05/24/2024] [Accepted: 06/09/2024] [Indexed: 06/24/2024]
Abstract
An electro-chemo-responsive carrier has been engineered for the controlled release of a highly hydrophilic anticancer peptide, CR(NMe)EKA (Cys-Arg- N-methyl-Glu-Lys-Ala). Remotely controlled on demand release of CR(NMe)EKA, loaded in electro-responsive poly(3,4-ethylenedioxythiophene) (PEDOT) nanoparticles, has been achieved by applying electrical stimuli consisting of constant positive (+0.50 V) or negative voltages (-0.50 V) at pre-defined time intervals. In addition, after loading CR(NMe)EKA/PEDOT nanoparticles into an injectable pH responsive hydrogel formed by phenylboronic acid grafted to chitosan (PBA-CS), the efficiency of the controlled peptide release has increased approximately by a factor of 2.6. The hydration ratio of such hydrogel is significantly lower in acidic environments than in neutral and basic media, which has been attributed to the dissociation of the boronate bonds between polymer chains. Hence, the electro-controlled peptide release from PBA-CS/CR(NMe)EKA/PEDOT hydrogels, in the acidic environment of tumors, combines the effects of the oxidation and reduction of PEDOT chains on the interactions with the peptide and the carrier, with the peptide concentration gradient at the interface between the collapsed hydrogel and the release medium. Furthermore, the peptide released by electro-stimulation preserved its bioactivity assessed by promoting human prostate cancer cells death. Overall, this work is a promising attempt to develop a carrier platform for small hydrophilic anticancer peptides, which delivery rationale is synergistically regulated by the electrical and pH responsiveness of the carrier.
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Affiliation(s)
- Leonor Resina
- Departament d'Enginyeria Química and Barcelona Research Center for Multiscale Science and Engineering, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany 10-14, 08019 Barcelona, Spain; iBB - Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico - Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
| | - Teresa Esteves
- iBB - Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico - Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
| | - Sílvia Pérez-Rafael
- Grup de Biotecnologia Molecular i Industrial, Department of Chemical Engineering, Universitat Politècnica de Catalunya, Rambla Sant Nebridi 22, Terrassa 08222, Spain
| | - José Ignacio Hernández García
- Departmento de Química Orgánica, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 3, La Laguna 38206, Tenerife, Spain; Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, La Laguna 38206, Tenerife, Spain
| | - Frederico Castelo Ferreira
- iBB - Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico - Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal
| | - Tzanko Tzanov
- Grup de Biotecnologia Molecular i Industrial, Department of Chemical Engineering, Universitat Politècnica de Catalunya, Rambla Sant Nebridi 22, Terrassa 08222, Spain
| | - Sebastian Bonardd
- Departmento de Química Orgánica, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 3, La Laguna 38206, Tenerife, Spain; Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, La Laguna 38206, Tenerife, Spain
| | - David Díaz Díaz
- Departmento de Química Orgánica, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 3, La Laguna 38206, Tenerife, Spain; Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, La Laguna 38206, Tenerife, Spain.
| | - Maria M Pérez-Madrigal
- Departament d'Enginyeria Química and Barcelona Research Center for Multiscale Science and Engineering, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany 10-14, 08019 Barcelona, Spain.
| | - Carlos Alemán
- Departament d'Enginyeria Química and Barcelona Research Center for Multiscale Science and Engineering, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany 10-14, 08019 Barcelona, Spain; Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, 08028 Barcelona, Spain.
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Zhuo Y, Zeng H, Su C, Lv Q, Cheng T, Lei L. Tailoring biomaterials for vaccine delivery. J Nanobiotechnology 2024; 22:480. [PMID: 39135073 PMCID: PMC11321069 DOI: 10.1186/s12951-024-02758-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2024] [Accepted: 08/06/2024] [Indexed: 08/15/2024] Open
Abstract
Biomaterials are substances that can be injected, implanted, or applied to the surface of tissues in biomedical applications and have the ability to interact with biological systems to initiate therapeutic responses. Biomaterial-based vaccine delivery systems possess robust packaging capabilities, enabling sustained and localized drug release at the target site. Throughout the vaccine delivery process, they can contribute to protecting, stabilizing, and guiding the immunogen while also serving as adjuvants to enhance vaccine efficacy. In this article, we provide a comprehensive review of the contributions of biomaterials to the advancement of vaccine development. We begin by categorizing biomaterial types and properties, detailing their reprocessing strategies, and exploring several common delivery systems, such as polymeric nanoparticles, lipid nanoparticles, hydrogels, and microneedles. Additionally, we investigated how the physicochemical properties and delivery routes of biomaterials influence immune responses. Notably, we delve into the design considerations of biomaterials as vaccine adjuvants, showcasing their application in vaccine development for cancer, acquired immunodeficiency syndrome, influenza, corona virus disease 2019 (COVID-19), tuberculosis, malaria, and hepatitis B. Throughout this review, we highlight successful instances where biomaterials have enhanced vaccine efficacy and discuss the limitations and future directions of biomaterials in vaccine delivery and immunotherapy. This review aims to offer researchers a comprehensive understanding of the application of biomaterials in vaccine development and stimulate further progress in related fields.
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Affiliation(s)
- Yanling Zhuo
- College of Intelligent Agriculture, Yulin Normal University, Yulin, 537000, China
| | - Huanxuan Zeng
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
| | - Chunyu Su
- College of Intelligent Agriculture, Yulin Normal University, Yulin, 537000, China
- Key Laboratory of Artificial Organs and Computational Medicine in Zhejiang Province, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, 310015, China
| | - Qizhuang Lv
- College of Intelligent Agriculture, Yulin Normal University, Yulin, 537000, China.
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China.
- Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, Yulin, 537000, China.
| | - Tianyin Cheng
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China.
| | - Lanjie Lei
- Key Laboratory of Artificial Organs and Computational Medicine in Zhejiang Province, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, 310015, China.
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Agrohia DK, Goswami R, Jantarat T, Çiçek YA, Thongsukh K, Jeon T, Bell JM, Rotello VM, Vachet RW. Suborgan Level Quantitation of Proteins in Tissues Delivered by Polymeric Nanocarriers. ACS NANO 2024; 18:16808-16818. [PMID: 38870478 DOI: 10.1021/acsnano.4c02344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
Amidst the rapid growth of protein therapeutics as a drug class, there is an increased focus on designing systems to effectively deliver proteins to target organs. Quantitative monitoring of protein distributions in tissues is essential for optimal development of delivery systems; however, existing strategies can have limited accuracy, making it difficult to assess suborgan dosing. Here, we describe a quantitative imaging approach that utilizes metal-coded mass tags and laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) to quantify the suborgan distributions of proteins in tissues that have been delivered by polymeric nanocarriers. Using this approach, we measure nanomole per gram levels of proteins as delivered by guanidinium-functionalized poly(oxanorborneneimide) (PONI) polymers to various tissues, including the alveolar region of the lung. Due to the multiplexing capability of the LA-ICP-MS imaging, we are also able to simultaneously quantify protein and polymer distributions, obtaining valuable information about the relative excretion pathways of the protein cargo and carrier. This imaging approach will facilitate quantitative correlations between nanocarrier properties and protein cargo biodistributions.
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Affiliation(s)
- Dheeraj K Agrohia
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Ritabrita Goswami
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Teerapong Jantarat
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Yağız Anil Çiçek
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Korndanai Thongsukh
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Taewon Jeon
- Molecular and Cellular Biology Program, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Jonathan M Bell
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Vincent M Rotello
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
- Molecular and Cellular Biology Program, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Richard W Vachet
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
- Molecular and Cellular Biology Program, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
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Behzadipour Y, Hemmati S. Covalent conjugation and non-covalent complexation strategies for intracellular delivery of proteins using cell-penetrating peptides. Biomed Pharmacother 2024; 176:116910. [PMID: 38852512 DOI: 10.1016/j.biopha.2024.116910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 06/03/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024] Open
Abstract
Therapeutic proteins provided new opportunities for patients and high sales volumes. However, they are formulated for extracellular targets. The lipophilic barrier of the plasma membrane renders the vast array of intracellular targets out of reach. Peptide-based delivery systems, namely cell-penetrating peptides (CPPs), have few safety concerns, and low immunogenicity, with control over administered doses. This study investigates CPP-based protein delivery systems by classifying them into CPP-protein "covalent conjugation" and CPP: protein "non-covalent complexation" categories. Covalent conjugates ensure the proximity of the CPP to the cargo, which can improve cellular uptake and endosomal escape. We will discuss various aspects of covalent conjugates through non-cleavable (stable) or cleavable bonds. Non-cleavable CPP-protein conjugates are produced by recombinant DNA technology to express the complete fusion protein in a host cell or by chemical ligation of CPP and protein, which ensures stability during the delivery process. CPP-protein cleavable bonds are classified into pH-sensitive and redox-sensitive bonds, enzyme-cleavable bonds, and physical stimuli cleavable linkers (light radiation, ultrasonic waves, and thermo-responsive). We have highlighted the key characteristics of non-covalent complexes through electrostatic and hydrophobic interactions to preserve the conformational integrity of the CPP and cargo. CPP-mediated protein delivery by non-covalent complexation, such as zippers, CPP adaptor methods, and avidin-biotin technology, are featured. Conclusively, non-covalent complexation methods are appropriate when a high number of CPP or protein samples are to be screened. In contrast, when the high biological activity of the protein is critical in the intracellular compartment, conjugation protocols are preferred.
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Affiliation(s)
- Yasaman Behzadipour
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Islamic Republic of Iran; Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Islamic Republic of Iran
| | - Shiva Hemmati
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Islamic Republic of Iran; Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Islamic Republic of Iran.
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Biji CA, Balde A, Nazeer RA. Anti-inflammatory peptide therapeutics and the role of sulphur containing amino acids (cysteine and methionine) in inflammation suppression: A review. Inflamm Res 2024; 73:1203-1221. [PMID: 38769154 DOI: 10.1007/s00011-024-01893-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 05/09/2024] [Accepted: 05/10/2024] [Indexed: 05/22/2024] Open
Abstract
BACKGROUND Inflammation serves as our body's immune response to combat infections, pathogens, viruses, and external stimuli. Inflammation can be classified into two types: acute inflammation and chronic inflammation. Non-steroidal anti-inflammatory medications (NSAIDs) are used to treat both acute and chronic inflammatory disorders. However, these treatments have various side effects such as reduced healing efficiency, peptic ulcers, gastrointestinal toxicities, etc. METHOD: This review assesses the potential of anti-inflammatory peptides (AIPs) derived from various natural sources, such as algae, fungi, plants, animals, and marine organisms. Focusing on peptides rich in cysteines and methionine, sulphur-containing amino acids known for their role in suppression of inflammation. RESULT Due to their varied biological activity, ability to penetrate cells, and low cytotoxicity, bioactive peptides have garnered interest as possible therapeutic agents. The utilisation of AIPs has shown great potential in the treatment of disorders associated with inflammation. AIPs can be obtained from diverse natural sources such as algae, fungi, plants, and animals. Cysteine and methionine are sulphur-containing amino acids that aid in the elimination of free radicals, hence assisting in the treatment of inflammatory diseases. CONCLUSION This review specifically examines several sources of AIPs including peptides that contain numerous cysteines and methionine. In addition, the biological characteristics of these amino acids and advancements in peptide delivery are also discussed.
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Affiliation(s)
- Catherin Ann Biji
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603 203, Tamilnadu, India
| | - Akshad Balde
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603 203, Tamilnadu, India
| | - Rasool Abdul Nazeer
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603 203, Tamilnadu, India.
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El-Fakharany EM, El-Gendi H, Saleh AK, El-Sayed MH, Alalawy AI, Jame R, Abdelaziz MA, Alshareef SA, El-Maradny YA. The use of proteins and peptides-based therapy in managing and preventing pathogenic viruses. Int J Biol Macromol 2024; 270:132254. [PMID: 38729501 DOI: 10.1016/j.ijbiomac.2024.132254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024]
Abstract
Therapeutic proteins have been employed for centuries and reached approximately 50 % of all drugs investigated. By 2023, they represented one of the top 10 largest-selling pharma products ($387.03 billion) and are anticipated to reach around $653.35 billion by 2030. Growth hormones, insulin, and interferon (IFN α, γ, and β) are among the leading applied therapeutic proteins with a higher market share. Protein-based therapies have opened new opportunities to control various diseases, including metabolic disorders, tumors, and viral outbreaks. Advanced recombinant DNA biotechnology has offered the production of therapeutic proteins and peptides for vaccination, drugs, and diagnostic tools. Prokaryotic and eukaryotic expression host systems, including bacterial, fungal, animal, mammalian, and plant cells usually applied for recombinant therapeutic proteins large-scale production. However, several limitations face therapeutic protein production and applications at the commercial level, including immunogenicity, integrity concerns, protein stability, and protein degradation under different circumstances. In this regard, protein-engineering strategies such as PEGylation, glycol-engineering, Fc-fusion, albumin conjugation, and fusion, assist in increasing targeting, product purity, production yield, functionality, and the half-life of therapeutic protein circulation. Therefore, a comprehensive insight into therapeutic protein research and findings pave the way for their successful implementation, which will be discussed in the current review.
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Affiliation(s)
- Esmail M El-Fakharany
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute GEBRI, City of Scientific Research and Technological Applications (SRTA city), New Borg El-Arab, Alexandria 21934, Egypt; Pharmaceutical and Fermentation Industries Development Centre (PFIDC), City of Scientific Research and Technological Applications (SRTA-City), New Borg Al-Arab, Alexandria, Egypt.
| | - Hamada El-Gendi
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA city), New Borg El-Arab, Alexandria 21934, Egypt
| | - Ahmed K Saleh
- Cellulose and Paper Department, National Research Centre, El-Tahrir St., Dokki 12622, Giza, Egypt
| | - Mohamed H El-Sayed
- Department of Biology, College of Sciences and Arts-Rafha, Northern Border University, Arar, Saudi Arabia
| | - Adel I Alalawy
- Department of Biochemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Rasha Jame
- Department of Chemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Mahmoud A Abdelaziz
- Department of Chemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | | | - Yousra A El-Maradny
- Pharmaceutical and Fermentation Industries Development Centre (PFIDC), City of Scientific Research and Technological Applications (SRTA-City), New Borg Al-Arab, Alexandria, Egypt; Microbiology and Immunology, Faculty of Pharmacy, Arab Academy for Science, Technology and Maritime Transport (AASTMT), Alamein 51718, Egypt
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Liu Y, Hamm T, Eichinger TR, Kamm W, Wieland HA, Loretz B, Hirsch AKH, Lee S, Lehr CM. Biodynamer Nano-Complexes and -Emulsions for Peptide and Protein Drug Delivery. Int J Nanomedicine 2024; 19:4429-4449. [PMID: 38784761 PMCID: PMC11114140 DOI: 10.2147/ijn.s448578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 03/26/2024] [Indexed: 05/25/2024] Open
Abstract
Background Therapeutic proteins and peptides offer great advantages compared to traditional synthetic molecular drugs. However, stable protein loading and precise control of protein release pose significant challenges due to the extensive range of physicochemical properties inherent to proteins. The development of a comprehensive protein delivery strategy becomes imperative accounting for the diverse nature of therapeutic proteins. Methods Biodynamers are amphiphilic proteoid dynamic polymers consisting of amino acid derivatives connected through pH-responsive dynamic covalent chemistry. Taking advantage of the amphiphilic nature of the biodynamers, PNCs and DEs were possible to be prepared and investigated to compare the delivery efficiency in drug loading, stability, and cell uptake. Results As a result, the optimized PNCs showed 3-fold encapsulation (<90%) and 5-fold loading capacity (30%) compared to DE-NPs. PNCs enhanced the delivery efficiency into the cells but aggregated easily on the cell membrane due to the limited stability. Although DE-NPs were limited in loading capacity compared to PNCs, they exhibit superior adaptability in stability and capacity for delivering a wider range of proteins compared to PNCs. Conclusion Our study highlights the potential of formulating both PNCs and DE-NPs using the same biodynamers, providing a comparative view on protein delivery efficacy using formulation methods.
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Affiliation(s)
- Yun Liu
- Department of Drug Delivery Across Biological Barriers, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Saarbrücken, Germany
- Department of Pharmacy, Saarland University, Saarbrücken, Germany
| | - Timo Hamm
- Department of Research and Development, Sanofi-Aventis Deutschland GmbH, Frankfurt Am Main, Germany
| | - Thomas Ralf Eichinger
- Department of Research and Development, Sanofi-Aventis Deutschland GmbH, Frankfurt Am Main, Germany
| | - Walter Kamm
- Department of Research and Development, Sanofi-Aventis Deutschland GmbH, Frankfurt Am Main, Germany
| | - Heike Andrea Wieland
- Department of Research and Development, Sanofi-Aventis Deutschland GmbH, Frankfurt Am Main, Germany
| | - Brigitta Loretz
- Department of Drug Delivery Across Biological Barriers, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Saarbrücken, Germany
| | - Anna K H Hirsch
- Department of Pharmacy, Saarland University, Saarbrücken, Germany
- Department of Drug Design and Optimisation, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Saarbrücken, Germany
| | - Sangeun Lee
- Department of Drug Delivery Across Biological Barriers, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Saarbrücken, Germany
- Department of Pharmacy, Saarland University, Saarbrücken, Germany
| | - Claus-Michael Lehr
- Department of Drug Delivery Across Biological Barriers, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Saarbrücken, Germany
- Department of Pharmacy, Saarland University, Saarbrücken, Germany
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He X, Liang D, Zhou J, Li K, Xie B, Liang C, Liu C, Chen Z, Chen X, Long A, Zhuo S, Su X, Luo Y, Chen W, Zhao F, Jiang X. Nucleus-targeting DNase I self-assembly delivery system guided by pirarubicin for programmed multi-drugs release and combined anticancer therapy. Int J Biol Macromol 2024; 267:131514. [PMID: 38608986 DOI: 10.1016/j.ijbiomac.2024.131514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/07/2024] [Accepted: 04/09/2024] [Indexed: 04/14/2024]
Abstract
The cell nucleus serves as the pivotal command center of living cells, and delivering therapeutic agents directly into the nucleus can result in highly efficient anti-tumor eradication of cancer cells. However, nucleus-targeting drug delivery is very difficult due to the presence of numerous biological barriers. Here, three antitumor drugs (DNase I, ICG: indocyanine green, and THP: pirarubicin) were sequentially triggered protein self-assembly to produce a nucleus-targeting and programmed responsive multi-drugs delivery system (DIT). DIT consisted of uniform spherical particles with a size of 282 ± 7.7 nm. The acidic microenvironment of tumors and near-infrared light could successively trigger DIT for the programmed release of three drugs, enabling targeted delivery to the tumor. THP served as a nucleus-guiding molecule and a chemotherapy drug. Through THP-guided DIT, DNase I was successfully delivered to the nucleus of tumor cells and killed them by degrading their DNA. Tumor acidic microenvironment had the ability to induce DIT, leading to the aggregation of sufficient ICG in the tumor tissues. This provided an opportunity for the photothermal therapy of ICG. Hence, three drugs were cleverly combined using a simple method to achieve multi-drugs targeted delivery and highly effective combined anticancer therapy.
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Affiliation(s)
- Xuan He
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China; Conservative Dentistry & Endodontics Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Dan Liang
- Conservative Dentistry & Endodontics Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Jun Zhou
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China; Conservative Dentistry & Endodontics Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Kangjing Li
- Conservative Dentistry & Endodontics Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Beibei Xie
- Conservative Dentistry & Endodontics Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Chunyun Liang
- Conservative Dentistry & Endodontics Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Cong Liu
- Conservative Dentistry & Endodontics Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Zhiyong Chen
- Conservative Dentistry & Endodontics Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Xinxin Chen
- Conservative Dentistry & Endodontics Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Ao Long
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China; Clinical Laboratory Medicine Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Shufang Zhuo
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China; Clinical Laboratory Medicine Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Xiaoping Su
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Ying Luo
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Wenxia Chen
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China; Conservative Dentistry & Endodontics Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Fengfeng Zhao
- Center of Clinical Laboratory Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China.
| | - Xinglu Jiang
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China; Clinical Laboratory Medicine Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China.
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Zuo Y, Sun R, Del Piccolo N, Stevens MM. Microneedle-mediated nanomedicine to enhance therapeutic and diagnostic efficacy. NANO CONVERGENCE 2024; 11:15. [PMID: 38634994 PMCID: PMC11026339 DOI: 10.1186/s40580-024-00421-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 03/26/2024] [Indexed: 04/19/2024]
Abstract
Nanomedicine has been extensively explored for therapeutic and diagnostic applications in recent years, owing to its numerous advantages such as controlled release, targeted delivery, and efficient protection of encapsulated agents. Integration of microneedle technologies with nanomedicine has the potential to address current limitations in nanomedicine for drug delivery including relatively low therapeutic efficacy and poor patient compliance and enable theragnostic uses. In this Review, we first summarize representative types of nanomedicine and describe their broad applications. We then outline the current challenges faced by nanomedicine, with a focus on issues related to physical barriers, biological barriers, and patient compliance. Next, we provide an overview of microneedle systems, including their definition, manufacturing strategies, drug release mechanisms, and current advantages and challenges. We also discuss the use of microneedle-mediated nanomedicine systems for therapeutic and diagnostic applications. Finally, we provide a perspective on the current status and future prospects for microneedle-mediated nanomedicine for biomedical applications.
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Affiliation(s)
- Yuyang Zuo
- Department of Materials, Department of Bioengineering, and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, UK
| | - Rujie Sun
- Department of Materials, Department of Bioengineering, and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, UK
| | - Nuala Del Piccolo
- Department of Materials, Department of Bioengineering, and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, UK
| | - Molly M Stevens
- Department of Materials, Department of Bioengineering, and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, UK.
- Department of Physiology, Anatomy and Genetics, Department of Engineering Science, and Kavli Institute for Nanoscience Discovery, University of Oxford, Oxford, OX1 3QU, UK.
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10
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Gorantla A, Hall JTVE, Troidle A, Janjic JM. Biomaterials for Protein Delivery: Opportunities and Challenges to Clinical Translation. MICROMACHINES 2024; 15:533. [PMID: 38675344 PMCID: PMC11052476 DOI: 10.3390/mi15040533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024]
Abstract
The development of biomaterials for protein delivery is an emerging field that spans materials science, bioengineering, and medicine. In this review, we highlight the immense potential of protein-delivering biomaterials as therapeutic options and discuss the multifaceted challenges inherent to the field. We address current advancements and approaches in protein delivery that leverage stimuli-responsive materials, harness advanced fabrication techniques like 3D printing, and integrate nanotechnologies for greater targeting and improved stability, efficacy, and tolerability profiles. We also discuss the demand for highly complex delivery systems to maintain structural integrity and functionality of the protein payload. Finally, we discuss barriers to clinical translation, such as biocompatibility, immunogenicity, achieving reliable controlled release, efficient and targeted delivery, stability issues, scalability of production, and navigating the regulatory landscape for such materials. Overall, this review summarizes insights from a survey of the current literature and sheds light on the interplay between innovation and the practical implementation of biomaterials for protein delivery.
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Affiliation(s)
- Amogh Gorantla
- Department of Engineering, Wake Forest University, Winston-Salem, NC 27109, USA;
| | | | | | - Jelena M. Janjic
- School of Pharmacy, Duquesne University, Pittsburgh, PA 15282, USA;
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11
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Wu J, Cortes KAF, Li C, Wang Y, Guo C, Momenzadeh K, Yeritsyan D, Hanna P, Lechtig A, Nazarian A, Lin SJ, Kaplan DL. Tuning the Biodegradation Rate of Silk Materials via Embedded Enzymes. ACS Biomater Sci Eng 2024; 10:2607-2615. [PMID: 38478959 DOI: 10.1021/acsbiomaterials.3c01758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Conventional thinking when designing biodegradable materials and devices is to tune the intrinsic properties and morphological features of the material to regulate their degradation rate, modulating traditional factors such as molecular weight and crystallinity. Since regenerated silk protein can be directly thermoplastically molded to generate robust dense silk plastic-like materials, this approach afforded a new tool to control silk degradation by enabling the mixing of a silk-degrading protease into bulk silk material prior to thermoplastic processing. Here we demonstrate the preparation of these silk-based devices with embedded silk-degrading protease to modulate the degradation based on the internal presence of the enzyme to support silk degradation, as opposed to the traditional surface degradation for silk materials. The degradability of these silk devices with and without embedded protease XIV was assessed both in vitro and in vivo. Ultimately, this new process approach provides direct control of the degradation lifetime of the devices, empowered through internal digestion via water-activated proteases entrained and stabilized during the thermoplastic process.
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Affiliation(s)
- Junqi Wu
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Kareen A Fajardo Cortes
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Chunmei Li
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Yushu Wang
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Chengchen Guo
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Kaveh Momenzadeh
- Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center, 330 Brookline Ave., RN 115, Boston, Massachusetts 02215, United States
| | - Diana Yeritsyan
- Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center, 330 Brookline Ave., RN 115, Boston, Massachusetts 02215, United States
| | - Philip Hanna
- Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center, 330 Brookline Ave., RN 115, Boston, Massachusetts 02215, United States
| | - Aron Lechtig
- Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center, 330 Brookline Ave., RN 115, Boston, Massachusetts 02215, United States
| | - Ara Nazarian
- Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center, 330 Brookline Ave., RN 115, Boston, Massachusetts 02215, United States
| | - Samuel J Lin
- Divisions of Plastic Surgery and Otolaryngology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
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12
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Jiang L, Liang X, Jia J, Han H, Tang J, Li Q. Ribonuclease A-polymer conjugates via in situ growth for cancer treatment. J Mater Chem B 2024; 12:2869-2876. [PMID: 38426261 DOI: 10.1039/d3tb02387g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Efficient delivery of therapeutic proteins is a critical aspect for protein-based cancer treatment. Herein, an in situ growth approach was employed to prepare ribonuclease A (RNase A)-polymer conjugates by incorporating a cationic polymer, poly(N,N'-dimethylamino-2-ethyl methacrylate) (P(DMAEMA)), and a hydrophobic polymer, poly(N-isopropylacrylamide) (P(NIPAM)), through atom transfer radical polymerization (ATRP). The synthesized RNase A-polymer conjugates (namely R-P(D-b-N)) could preserve the integrity of RNase A and exhibit a unique combination of cationic and hydrophobic properties, leading to enhanced intracellular delivery efficiency. The successful delivery of RNase A by R-P(D-b-N) conjugates effectively triggered the cell apoptosis through the mitochondria-dependent signaling pathway to achieve the anti-proliferative response. Additionally, the conjugates could inhibit cell migration and thus possess the potential for the suppression of tumor metastasis. Overall, our findings highlight that the introduction of cationic and hydrophobic moieties via ATRP provides a versatile platform for the intracellular delivery of therapeutic proteins, offering a new avenue for treating diverse diseases.
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Affiliation(s)
- Lin Jiang
- Department of Polymer Science, College of Chemistry, Jilin University, Changchun 130012, China.
| | - Xiao Liang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China.
| | - Jiaxin Jia
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China.
| | - Haobo Han
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China.
| | - Jun Tang
- Department of Polymer Science, College of Chemistry, Jilin University, Changchun 130012, China.
| | - Quanshun Li
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun 130012, China.
- Center for Supramolecular Chemical Biology, College of Chemistry, Jilin University, Changchun 130012, China.
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13
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Sadeghian I, Akbarpour M, Chafjiri FMA, Chafjiri PMA, Heidari R, Morowvat MH, Sadeghian R, Raee MJ, Negahdaripour M. Potential of oligonucleotide- and protein/peptide-based therapeutics in the management of toxicant/stressor-induced diseases. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:1275-1310. [PMID: 37688622 DOI: 10.1007/s00210-023-02683-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 08/21/2023] [Indexed: 09/11/2023]
Abstract
Exposure to toxicants/stressors has been linked to the development of many human diseases. They could affect various cellular components, such as DNA, proteins, lipids, and non-coding RNAs (ncRNA), thereby triggering various cellular pathways, particularly oxidative stress, inflammatory responses, and apoptosis, which can contribute to pathophysiological states. Accordingly, modulation of these pathways has been the focus of numerous investigations for managing related diseases. The involvement of various ncRNAs, such as small interfering RNA (siRNA), microRNAs (miRNA), and long non-coding RNAs (lncRNA), as well as various proteins and peptides in mediating these pathways, provides many target sites for pharmaceutical intervention. In this regard, various oligonucleotide- and protein/peptide-based therapies have been developed to treat toxicity-induced diseases, which have shown promising results in vitro and in vivo. This comprehensive review provides information about various aspects of toxicity-related diseases including their causing factors, main underlying mechanisms and intermediates, and their roles in pathophysiological states. Particularly, it highlights the principles and mechanisms of oligonucleotide- and protein/peptide-based therapies in the treatment of toxicity-related diseases. Furthermore, various issues of oligonucleotides and proteins/peptides for clinical usage and potential solutions are discussed.
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Affiliation(s)
- Issa Sadeghian
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Biotechnology Incubator, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mina Akbarpour
- Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | | | | | - Reza Heidari
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Hossein Morowvat
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Mohammad Javad Raee
- Center for Nanotechnology in Drug Delivery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Manica Negahdaripour
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
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14
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Rathnam SS, Deepak T, Sahoo BN, Meena T, Singh Y, Joshi A. Metallic Nanocarriers for Therapeutic Peptides: Emerging Solutions Addressing the Delivery Challenges in Brain Ailments. J Pharmacol Exp Ther 2024; 388:39-53. [PMID: 37875308 DOI: 10.1124/jpet.123.001689] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 10/01/2023] [Accepted: 10/10/2023] [Indexed: 10/26/2023] Open
Abstract
Peptides and proteins have recently emerged as efficient therapeutic alternatives to conventional therapies. Although they emerged a few decades back, extensive exploration of various ailments or disorders began recently. The drawbacks of current chemotherapies and irradiation treatments, such as drug resistance and damage to healthy tissues, have enabled the rise of peptides in the quest for better prospects. The chemical tunability and smaller size make them easy to design selectively for target tissues. Other remarkable properties include antifungal, antiviral, anti-inflammatory, protection from hemorrhage stroke, and as therapeutic agents for gastric disorders and Alzheimer and Parkinson diseases. Despite these unmatched properties, their practical applicability is often hindered due to their weak susceptibility to enzymatic digestion, serum degradation, liver metabolism, kidney clearance, and immunogenic reactions. Several methods are adapted to increase the half-life of peptides, such as chemical modifications, fusing with Fc fragment, change in amino acid composition, and carrier-based delivery. Among these, nanocarrier-mediated encapsulation not only increases the half-life of the peptides in vivo but also aids in the targeted delivery. Despite its structural complexity, they also efficiently deliver therapeutic molecules across the blood-brain barrier. Here, in this review, we tried to emphasize the possible potentiality of metallic nanoparticles to be used as an efficient peptide delivery system against brain tumors and neurodegenerative disorders. SIGNIFICANCE STATEMENT: In this review, we have emphasized the various therapeutic applications of peptides/proteins, including antimicrobial, anticancer, anti-inflammatory, and neurodegenerative diseases. We also focused on these peptides' challenges under physiological conditions after administration. We highlighted the importance and potentiality of metallic nanocarriers in the ability to cross the blood-brain barrier, increasing the stability and half-life of peptides, their efficiency in targeting the delivery, and their diagnostic applications.
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Affiliation(s)
- Shanmuga Sharan Rathnam
- Department of Biosciences and Biomedical Engineering (S.S.R., B.N.S., T.M., Y.S., A.J.), Indian Institute of Technology Indore, Simrol, India and Department of Biotechnology and Medical Engineering (T.D.), National Institute of Technology Rourkela, Rourkela, India
| | - Thirumalai Deepak
- Department of Biosciences and Biomedical Engineering (S.S.R., B.N.S., T.M., Y.S., A.J.), Indian Institute of Technology Indore, Simrol, India and Department of Biotechnology and Medical Engineering (T.D.), National Institute of Technology Rourkela, Rourkela, India
| | - Badri Narayana Sahoo
- Department of Biosciences and Biomedical Engineering (S.S.R., B.N.S., T.M., Y.S., A.J.), Indian Institute of Technology Indore, Simrol, India and Department of Biotechnology and Medical Engineering (T.D.), National Institute of Technology Rourkela, Rourkela, India
| | - Tanishq Meena
- Department of Biosciences and Biomedical Engineering (S.S.R., B.N.S., T.M., Y.S., A.J.), Indian Institute of Technology Indore, Simrol, India and Department of Biotechnology and Medical Engineering (T.D.), National Institute of Technology Rourkela, Rourkela, India
| | - Yogesh Singh
- Department of Biosciences and Biomedical Engineering (S.S.R., B.N.S., T.M., Y.S., A.J.), Indian Institute of Technology Indore, Simrol, India and Department of Biotechnology and Medical Engineering (T.D.), National Institute of Technology Rourkela, Rourkela, India
| | - Abhijeet Joshi
- Department of Biosciences and Biomedical Engineering (S.S.R., B.N.S., T.M., Y.S., A.J.), Indian Institute of Technology Indore, Simrol, India and Department of Biotechnology and Medical Engineering (T.D.), National Institute of Technology Rourkela, Rourkela, India
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15
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Patel DK, Jung E, Priya S, Won SY, Han SS. Recent advances in biopolymer-based hydrogels and their potential biomedical applications. Carbohydr Polym 2024; 323:121408. [PMID: 37940291 DOI: 10.1016/j.carbpol.2023.121408] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 11/10/2023]
Abstract
Hydrogels are three-dimensional networks of polymer chains containing large amounts of water in their structure. Hydrogels have received significant attention in biomedical applications owing to their attractive physicochemical properties, including flexibility, softness, biodegradability, and biocompatibility. Different natural and synthetic polymers have been intensely explored in developing hydrogels for the desired applications. Biopolymers-based hydrogels have advantages over synthetic polymers regarding improved cellular activity and weak immune response. These properties can be further improved by grafting with other polymers or adding nanomaterials, and they structurally mimic the living tissue environments, which opens their broad applicability. The hydrogels can be physically or chemically cross-linked depending on the structure. The use of different biopolymers-based hydrogels in biomedical applications has been reviewed and discussed earlier. However, no report is still available to comprehensively introduce the synthesis, advantages, disadvantages, and biomedical applications of biopolymers-based hydrogels from the material point of view. Herein, we systematically overview different synthesis methods of hydrogels and provide a holistic approach to biopolymers-based hydrogels for biomedical applications, especially in bone regeneration, wound healing, drug delivery, bioimaging, and therapy. The current challenges and prospects of biopolymers-based hydrogels are highlighted rationally, giving an insight into the progress of these hydrogels and their practical applications.
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Affiliation(s)
- Dinesh K Patel
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - Eunseo Jung
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - Sahariya Priya
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - So-Yeon Won
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea.
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16
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Rahban M, Ahmad F, Piatyszek MA, Haertlé T, Saso L, Saboury AA. Stabilization challenges and aggregation in protein-based therapeutics in the pharmaceutical industry. RSC Adv 2023; 13:35947-35963. [PMID: 38090079 PMCID: PMC10711991 DOI: 10.1039/d3ra06476j] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 11/30/2023] [Indexed: 04/26/2024] Open
Abstract
Protein-based therapeutics have revolutionized the pharmaceutical industry and become vital components in the development of future therapeutics. They offer several advantages over traditional small molecule drugs, including high affinity, potency and specificity, while demonstrating low toxicity and minimal adverse effects. However, the development and manufacturing processes of protein-based therapeutics presents challenges related to protein folding, purification, stability and immunogenicity that should be addressed. These proteins, like other biological molecules, are prone to chemical and physical instabilities. The stability of protein-based drugs throughout the entire manufacturing, storage and delivery process is essential. The occurrence of structural instability resulting from misfolding, unfolding, and modifications, as well as aggregation, poses a significant risk to the efficacy of these drugs, overshadowing their promising attributes. Gaining insight into structural alterations caused by aggregation and their impact on immunogenicity is vital for the advancement and refinement of protein therapeutics. Hence, in this review, we have discussed some features of protein aggregation during production, formulation and storage as well as stabilization strategies in protein engineering and computational methods to prevent aggregation.
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Affiliation(s)
- Mahdie Rahban
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences Kerman Iran
| | - Faizan Ahmad
- Department of Biochemistry, School of Chemical & Life Sciences, Jamia Hamdard New Delhi-110062 India
| | | | | | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University Rome Italy
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran Tehran 1417614335 Iran +9821 66404680 +9821 66956984
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17
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Lamela-Gómez I, Gonçalves LM, Almeida AJ, Luzardo-Álvarez A. Infliximab microencapsulation: an innovative approach for intra-articular administration of biologics in the management of rheumatoid arthritis-in vitro evaluation. Drug Deliv Transl Res 2023; 13:3030-3058. [PMID: 37294425 PMCID: PMC10624745 DOI: 10.1007/s13346-023-01372-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2023] [Indexed: 06/10/2023]
Abstract
Microencapsulation of the therapeutical monoclonal antibody infliximab (INF) was investigated as an innovative approach to improve its stability and to achieve formulations with convenient features for intra-articular administration. Ultrasonic atomization (UA), a novel alternative to microencapsulate labile drugs, was compared with the conventional emulsion/evaporation method (Em/Ev) using biodegradable polymers, specifically Polyactive® 1000PEOT70PBT30 [poly(ethylene-oxide-terephthalate)/poly(butylene-terephthalate); PEOT-PBT] and its polymeric blends with poly-(D, L-lactide-co-glycolide) (PLGA) RG502 and RG503 (PEOT-PBT:PLGA; 65:35). Six different formulations of spherical core-shell microcapsules were successfully developed and characterized. The UA method achieved a significantly higher encapsulation efficiency (69.7-80.25%) than Em/Ev (17.3-23.0%). Mean particle size, strongly determined by the microencapsulation method and to a lesser extent by polymeric composition, ranged from 26.6 to 49.9 µm for UA and 1.5-2.1 µm for Em/Ev. All formulations demonstrated sustained INF release in vitro for up to 24 days, with release rates modulated by polymeric composition and microencapsulation technique. Both methods preserved INF biological activity, with microencapsulated INF showing higher efficacy than commercial formulations at comparable doses regarding bioactive tumor necrosis factor-alpha (TNF-α) neutralization according to WEHI-13VAR bioassay. Microparticles' biocompatibility and extensive internalization by THP-1-derived macrophages was demonstrated. Furthermore, high in vitro anti-inflammatory activity was achieved after treatment of THP-1 cells with INF-loaded microcapsules, significatively reducing in vitro production of TNF-α and interleucine-6 (Il-6).
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Affiliation(s)
- Iván Lamela-Gómez
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Faculty of Sciences, Universidade de Santiago de Compostela, Campus Terra, 27002, Lugo, Spain
- Health Research Institute of Santiago de Compostela (IDIS), 15706, Santiago de Compostela, Spain
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Avenida Professor Gama Pinto, 1649-003, Lisbon, Portugal
| | - Lídia M Gonçalves
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Avenida Professor Gama Pinto, 1649-003, Lisbon, Portugal
| | - António J Almeida
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Avenida Professor Gama Pinto, 1649-003, Lisbon, Portugal
| | - Asteria Luzardo-Álvarez
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Faculty of Sciences, Universidade de Santiago de Compostela, Campus Terra, 27002, Lugo, Spain.
- Health Research Institute of Santiago de Compostela (IDIS), 15706, Santiago de Compostela, Spain.
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18
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Stepanova M, Nikiforov A, Tennikova T, Korzhikova-Vlakh E. Polypeptide-Based Systems: From Synthesis to Application in Drug Delivery. Pharmaceutics 2023; 15:2641. [PMID: 38004619 PMCID: PMC10674432 DOI: 10.3390/pharmaceutics15112641] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/02/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023] Open
Abstract
Synthetic polypeptides are biocompatible and biodegradable macromolecules whose composition and architecture can vary over a wide range. Their unique ability to form secondary structures, as well as different pathways of modification and biofunctionalization due to the diversity of amino acids, provide variation in the physicochemical and biological properties of polypeptide-containing materials. In this review article, we summarize the advances in the synthesis of polypeptides and their copolymers and the application of these systems for drug delivery in the form of (nano)particles or hydrogels. The issues, such as the diversity of polypeptide-containing (nano)particle types, the methods for their preparation and drug loading, as well as the influence of physicochemical characteristics on stability, degradability, cellular uptake, cytotoxicity, hemolysis, and immunogenicity of polypeptide-containing nanoparticles and their drug formulations, are comprehensively discussed. Finally, recent advances in the development of certain drug nanoformulations for peptides, proteins, gene delivery, cancer therapy, and antimicrobial and anti-inflammatory systems are summarized.
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Affiliation(s)
- Mariia Stepanova
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. 31, 199004 St. Petersburg, Russia; (M.S.); (A.N.)
| | - Alexey Nikiforov
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. 31, 199004 St. Petersburg, Russia; (M.S.); (A.N.)
| | - Tatiana Tennikova
- Institute of Chemistry, Saint-Petersburg State University, Universitetskiy pr. 26, Petergof, 198504 St. Petersburg, Russia
| | - Evgenia Korzhikova-Vlakh
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. 31, 199004 St. Petersburg, Russia; (M.S.); (A.N.)
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19
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Nguyen TTK, Pham KY, Yook S. Engineered therapeutic proteins for sustained-release drug delivery systems. Acta Biomater 2023; 171:131-154. [PMID: 37717712 DOI: 10.1016/j.actbio.2023.09.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 09/04/2023] [Accepted: 09/12/2023] [Indexed: 09/19/2023]
Abstract
Proteins play a vital role in diverse biological processes in the human body, and protein therapeutics have been applied to treat different diseases such as cancers, genetic disorders, autoimmunity, and inflammation. Protein therapeutics have demonstrated their advantages, such as specific pharmaceutical effects, low toxicity, and strong solubility. However, several disadvantages arise in clinical applications, including short half-life, immunogenicity, and low permeation, leading to reduced drug effectiveness. The structure of protein therapeutics can be modified to increase molecular size, leading to prolonged stability and increased plasma half-life. Notably, the controlled-release delivery systems for the sustained release of protein drugs and preserving the stability of cargo proteins are envisioned as a potential approach to overcome these challenges. In this review, we summarize recent research progress related to structural modifications (PEGylation, glycosylation, poly amino acid modification, and molecular biology-based strategies) and promising long-term delivery systems, such as polymer-based systems (injectable gel/implants, microparticles, nanoparticles, micro/nanogels, functional polymers), lipid-based systems (liposomes, solid lipid nanoparticles, nanostructured lipid carriers), and inorganic nanoparticles exploited for protein therapeutics. STATEMENT OF SIGNIFICANCE: In this review, we highlight recent advances concerning modifying proteins directly to enhance their stability and functionality and discuss state-of-the-art methods for the delivery and controlled long-term release of active protein therapeutics to their target site. In terms of drug modifications, four widely used strategies, including PEGylation, poly amino acid modification, glycosylation, and genetic, are discussed. As for drug delivery systems, we emphasize recent progress relating to polymer-based systems, lipid-based systems developed, and inorganic nanoparticles for protein sustained-release delivery. This review points out the areas requiring focused research attention before the full potential of protein therapeutics for human health and disease can be realized.
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Affiliation(s)
- Thoa Thi Kim Nguyen
- College of Pharmacy, Keimyung University, 1095 Dalgubeol-daero, Dalseo-Gu, Daegu 42601, Republic of Korea
| | - Khang-Yen Pham
- College of Pharmacy, Keimyung University, 1095 Dalgubeol-daero, Dalseo-Gu, Daegu 42601, Republic of Korea.
| | - Simmyung Yook
- College of Pharmacy, Keimyung University, 1095 Dalgubeol-daero, Dalseo-Gu, Daegu 42601, Republic of Korea; School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea; Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon 16419, Republic of Korea.
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20
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Yang L, Zhang Y, Xiao Z, Zhang W, Li L, Fan Y. Electrospun Polymeric Fibers Decorated with Silk Microcapsules via Encapsulation and Surface Immobilization for Drug Delivery. Macromol Biosci 2023; 23:e2300190. [PMID: 37483061 DOI: 10.1002/mabi.202300190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/13/2023] [Accepted: 07/20/2023] [Indexed: 07/25/2023]
Abstract
Hollow polymer microcapsules as drug carriers have the advantages of drug protection, storage, and controlled release. Microcapsules combined with tissue engineering scaffolds such as electrospun microfibers can enhance long-term local drug retention. However, the combination methods of microcapsules and fibers still need to be further explored. Here, different technical approaches to functionalize electrospun polycaprolactone (PCL) microfibers with silk fibroin (SF) microcapsules through encapsulation and surface immobilization are developed, including direct blending and emulsion electrospinning for encapsulation, as well as covalent and cleavable disulfide-linkage for surface immobilization. The results of "blending" approach show that silk microcapsules with different sizes could be uniformly encapsulated inside electrospun fibers without aggregation. To further reduce the use of organic solvents, the microcapsules in the aqueous phase can be uniformly distributed in the PCL organic phase and successfully electrospun into fibers using surfactant span-80. For surface immobilization, silk microcapsules are efficiently covalent binding to the surface of electrospun PCL fibers via click chemistry and exhibited noncytotoxic. Based on this method, with the incorporation of a disulfide bond, the linkages between microcapsule and fiber could be cleaved under reducing conditions. These microcapsule-electrospun fiber combination methods provide sufficient options for different drug delivery requirements.
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Affiliation(s)
- Lingbing Yang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
| | - Yilin Zhang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
| | - Zeyun Xiao
- Department of Pharmacy, Logistics University of People's Armed Police Forces, Tianjin, 300309, China
| | - Wenbo Zhang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
| | - Linhao Li
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
| | - Yubo Fan
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
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21
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Ding B, Teng C, Wang Y, Wang Y, Jiang H, Sun Y, Guo J, Dai S. A Simplified Method for the Preparation of Highly Conductive and Flexible Silk Nanofibrils/MXene Membrane. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6960. [PMID: 37959557 PMCID: PMC10648990 DOI: 10.3390/ma16216960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 10/22/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023]
Abstract
Silk nanofibers (SNF) have great applications in high-performance functional nanocomposites due to their excellent mechanical properties, biocompatibility, and degradability. However, the preparation of SNF by traditional methods often requires the use of some environmentally harmful or toxic reagents, limiting its application in green chemistry. In this paper, we successfully prepared SNF using natural silk as raw material and solvent stripping technology by adjusting the solvent concentration and solution ratio (the diameter of about 120 nm). Using the above SNFs as raw materials, SNF membranes were prepared by vacuum filtration technology. In addition, we prepared an SNF/MXene nanocomposite material with excellent humidity sensitivity by simply coating MXene nanosheets with silk fibers. The conductivity of the material can approach 1400.6 S m-1 with excellent mechanical strength (51.34 MPa). The SNF/MXene nanocomposite material with high mechanical properties, high conductivity, and green degradability can be potentially applied in the field of electromagnetic interference (EMI) shielding, providing a feasible approach for the development of functional nanocomposite materials.
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Affiliation(s)
- Bohan Ding
- Carbon Fiber Engineering Research Center, School of Materials Science and Engineering, Shandong University, Jinan 250061, China
| | - Chao Teng
- College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yanxiang Wang
- Carbon Fiber Engineering Research Center, School of Materials Science and Engineering, Shandong University, Jinan 250061, China
| | - Yongbo Wang
- Carbon Fiber Engineering Research Center, School of Materials Science and Engineering, Shandong University, Jinan 250061, China
| | - Haotian Jiang
- Carbon Fiber Engineering Research Center, School of Materials Science and Engineering, Shandong University, Jinan 250061, China
| | - Yue Sun
- Carbon Fiber Engineering Research Center, School of Materials Science and Engineering, Shandong University, Jinan 250061, China
| | - Jinghe Guo
- Carbon Fiber Engineering Research Center, School of Materials Science and Engineering, Shandong University, Jinan 250061, China
| | - Shichao Dai
- Carbon Fiber Engineering Research Center, School of Materials Science and Engineering, Shandong University, Jinan 250061, China
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22
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Lin YC, Chu YH, Liao WC, Chen CH, Hsiao WC, Ho YJ, Yang MY, Liu CH. CHST11-modified chondroitin 4-sulfate as a potential therapeutic target for glioblastoma. Am J Cancer Res 2023; 13:2998-3012. [PMID: 37559985 PMCID: PMC10408464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 06/23/2023] [Indexed: 08/11/2023] Open
Abstract
Aberrant chondroitin sulfate (CS) accumulation in glioblastoma (GBM) tissue has been documented, but the role of excessive CS in GBM progression and whether it can be a druggable target are largely unknown. The aim of this study is to clarify the biological functions of CHST11 in GBM cells, and evaluate therapeutic effects of blocking CHST11-derived chondroitin 4-sulfate (C4S). We investigated the expression of CHST11 in glioma tissue by immunohistochemistry, and analyzed CHST11 associated genes using public RNA sequencing datasets. The effects of CHST11 on aggressive cell behaviors have been studied in vitro and in vivo. We demonstrated that CHST11 is frequently overexpressed in GBM tissue, promoting GBM cell mobility and modulating C4S on GBM cells. We further discovered that CSPG4 is positively correlated with CHST11, and CSPG4 involved in CHST11-mediated cell invasiveness. In addition, GBM patients with high expression of CHST11 and CSPG4 have a significantly shorter survival time. We examined the effects of treating C4S-specific binding peptide (C4Sp) as a therapeutic agent in vitro and in vivo. C4Sp treatment attenuated GBM cell invasiveness and, notably, improved survival rate of orthotopic glioma cell transplant mice. Our results propose a possible mechanism of CHST11 in regulating GBM malignancy and highlight a novel strategy for targeting aberrant chondroitin sulfate in GBM cells.
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Affiliation(s)
- You-Cheng Lin
- Doctoral Program in Tissue Engineering and Regenerative Medicine, College of Medicine, National Chung Hsing UniversityTaichung, Taiwan
| | - Yin-Hung Chu
- Doctoral Program in Tissue Engineering and Regenerative Medicine, College of Medicine, National Chung Hsing UniversityTaichung, Taiwan
| | - Wen-Chieh Liao
- Doctoral Program in Tissue Engineering and Regenerative Medicine, College of Medicine, National Chung Hsing UniversityTaichung, Taiwan
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing UniversityTaichung, Taiwan
| | - Chia-Hua Chen
- Molecular Medicine Research Center, Chang Gung UniversityTaoyuan, Taiwan
| | - Wen-Chuan Hsiao
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing UniversityTaichung, Taiwan
| | - Ying-Jui Ho
- Department of Psychology, Chung Shan Medical UniversityTaichung, Taiwan
| | - Meng-Yin Yang
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing UniversityTaichung, Taiwan
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General HospitalTaichung, Taiwan
| | - Chiung-Hui Liu
- Doctoral Program in Tissue Engineering and Regenerative Medicine, College of Medicine, National Chung Hsing UniversityTaichung, Taiwan
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing UniversityTaichung, Taiwan
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23
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Yuan H, Guo C, Liu L, Zhao L, Zhang Y, Yin T, He H, Gou J, Pan B, Tang X. Progress and prospects of polysaccharide-based nanocarriers for oral delivery of proteins/peptides. Carbohydr Polym 2023; 312:120838. [PMID: 37059563 DOI: 10.1016/j.carbpol.2023.120838] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/17/2023] [Accepted: 03/19/2023] [Indexed: 04/03/2023]
Abstract
The oral route has long been recognized as the most preferred route for drug delivery as it offers high patient compliance and requires minimal expertise. Unlike small molecule drugs, the harsh environment of the gastrointestinal tract and low permeability across the intestinal epithelium make oral delivery extremely ineffective for macromolecules. Accordingly, delivery systems that are rationally constructed with suitable materials to overcome barriers to oral delivery are exceptionally promising. Among the most ideal materials are polysaccharides. Depending on the interaction between polysaccharides and proteins, the thermodynamic loading and release of proteins in the aqueous phase can be realized. Specific polysaccharides (dextran, chitosan, alginate, cellulose, etc.) endow systems with functional properties, including muco-adhesiveness, pH-responsiveness, and prevention of enzymatic degradation. Furthermore, multiple groups in polysaccharides can be modified, which gives them a variety of properties and enables them to suit specific needs. This review provides an overview of different types of polysaccharide-based nanocarriers based on different kinds of interaction forces and the influencing factors in the construction of polysaccharide-based nanocarriers. Strategies of polysaccharide-based nanocarriers to improve the bioavailability of orally administered proteins/peptides were described. Additionally, current restrictions and future trends of polysaccharide-based nanocarriers for oral delivery of proteins/peptides were also covered.
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Affiliation(s)
- Haoyang Yuan
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Chen Guo
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Lei Liu
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Linxuan Zhao
- Department of Pharmaceutics, College of Pharmacy Sciences, Jilin University, Changchun 130021, China
| | - Yu Zhang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Tian Yin
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Haibing He
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jingxin Gou
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Bochen Pan
- Center for Reproductive Medicine, Shengjing Hospital of China Medical University, Shenyang 110022, China.
| | - Xing Tang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China.
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24
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Sahoo JK, Hasturk O, Falcucci T, Kaplan DL. Silk chemistry and biomedical material designs. Nat Rev Chem 2023; 7:302-318. [PMID: 37165164 DOI: 10.1038/s41570-023-00486-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2023] [Indexed: 05/12/2023]
Abstract
Silk fibroin has applications in different medical fields such as tissue engineering, regenerative medicine, drug delivery and medical devices. Advances in silk chemistry and biomaterial designs have yielded exciting tools for generating new silk-based materials and technologies. Selective chemistries can enhance or tune the features of silk, such as mechanics, biodegradability, processability and biological interactions, to address challenges in medically relevant materials (hydrogels, films, sponges and fibres). This Review details the design and utility of silk biomaterials for different applications, with particular focus on chemistry. This Review consists of three segments: silk protein fundamentals, silk chemistries and functionalization mechanisms. This is followed by a description of different crosslinking chemistries facilitating network formation, including the formation of composite biomaterials. Utility in the fields of tissue engineering, drug delivery, 3D printing, cell coatings, microfluidics and biosensors are highlighted. Looking to the future, we discuss silk biomaterial design strategies to continue to improve medical outcomes.
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Affiliation(s)
| | - Onur Hasturk
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Thomas Falcucci
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA.
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25
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d'Amone L, Sahoo JK, Ostrovsky-Snider N, Kaplan DL, Omenetto FG. Boronic Acid-Tethered Silk Fibroin for pH-Dependent Mucoadhesion. Biomacromolecules 2023; 24:1310-1317. [PMID: 36763594 DOI: 10.1021/acs.biomac.2c01349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Mucus lines all surfaces of the human body not covered by skin and provides lubrication, hydration, and protection. The properties of mucus are influenced by changes in pH that may occur due to physiological conditions and pathological circumstances. Reinforcing the mucus barrier with biopolymers that can adhere to mucus in different conditions can be a useful strategy for protecting the underlying mucosae from damage. In this work, regenerated silk fibroin (silk) was chemically modified with phenyl boronic acid to form reversible covalent complexes with the 1,2- or 1,3-diols. The silk modified with boronic acid pendant groups has an increased affinity for mucins, whose carbohydrate component is rich in diols. These results offer new applications of silk in mucoadhesion, and the ability to bind diols to the silk lays the foundation for the development of silk-based sugar-sensing platforms.
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Affiliation(s)
- Luciana d'Amone
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02153, United States
| | - Jugal Kishore Sahoo
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02153, United States
| | | | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02153, United States
| | - Fiorenzo G Omenetto
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02153, United States
- Department of Electrical and Computer Engineering, Tufts University, Medford, Massachusetts 02153, United States
- Department of Physics, Tufts University, Medford, Massachusetts 02153, United States
- Laboratory for Living Devices, Tufts University, Medford, Massachusetts 02153, United States
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26
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d'Amone L, Matzeu G, Quijano-Rubio A, Callahan GP, Napier B, Baker D, Omenetto FG. Reshaping de Novo Protein Switches into Bioresponsive Materials for Biomarker, Toxin, and Viral Detection. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2208556. [PMID: 36493355 DOI: 10.1002/adma.202208556] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 11/14/2022] [Indexed: 06/17/2023]
Abstract
De novo designed protein switches are powerful tools to specifically and sensitively detect diverse targets with simple chemiluminescent readouts. Finding an appropriate material host for de novo designed protein switches without altering their thermodynamics while preserving their intrinsic stability over time would enable the development of a variety of sensing formats to monitor exposure to pathogens, toxins, and for disease diagnosis. Here, a de novo protein-biopolymer hybrid that maintains the detection capabilities induced by the conformational change of the incorporated proteins in response to analytes of interest is generated in multiple, shelf-stable material formats without the need of refrigerated storage conditions. A set of functional demonstrator devices including personal protective equipment such as masks and laboratory gloves, free-standing films, air quality monitors, and wearable devices is presented to illustrate the versatility of the approach. Such formats are designed to be responsive to human epidermal growth factor receptor (HER2), anti-hepatitis B (HBV) antibodies, Botulinum neurotoxin B (BoNT/B), and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This combination of form and function offers wide opportunities for ubiquitous sensing in multiple environments by enabling a large class of bio-responsive interfaces of broad utility.
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Affiliation(s)
- Luciana d'Amone
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
| | - Giusy Matzeu
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
| | - Alfredo Quijano-Rubio
- Department of Biochemistry, Institute for Protein Design, University of Washington, Seattle, WA, 98195, USA
- Department of Bioengineering, University of Washington, Seattle, WA, 98195, USA
| | - Gregory P Callahan
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
| | - Bradley Napier
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
| | - David Baker
- Department of Biochemistry, Institute for Protein Design, University of Washington, Seattle, WA, 98195, USA
- Department of Bioengineering, University of Washington, Seattle, WA, 98195, USA
- Howard Hughes Medical Institute, University of Washington, Seattle, WA, 98195, USA
| | - Fiorenzo G Omenetto
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
- Department of Physics, Tufts University, Medford, MA, 02155, USA
- Laboratory for Living Devices, Tufts University, Medford, MA, 02155, USA
- Department of Electrical and Computer Engineering, Tufts University, Medford, MA, 02155, USA
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27
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Qi Z, Yan Z, Tan G, Jia T, Geng Y, Shao H, Kundu SC, Lu S. Silk Fibroin Microneedles for Transdermal Drug Delivery: Where Do We Stand and How Far Can We Proceed? Pharmaceutics 2023; 15:pharmaceutics15020355. [PMID: 36839676 PMCID: PMC9964088 DOI: 10.3390/pharmaceutics15020355] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/11/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023] Open
Abstract
Microneedles are a patient-friendly technique for delivering drugs to the site of action in place of traditional oral and injectable administration. Silk fibroin represents an interesting polymeric biomaterial because of its mechanical properties, thermal stability, biocompatibility and possibility of control via genetic engineering. This review focuses on the critical research progress of silk fibroin microneedles since their inception, analyzes in detail the structure and properties of silk fibroin, the types of silk fibroin microneedles, drug delivery applications and clinical trials, and summarizes the future development trend in this field. It also proposes the future research direction of silk fibroin microneedles, including increasing drug loading doses and enriching drug loading types as well as exploring silk fibroin microneedles with stimulation-responsive drug release functions. The safety and effectiveness of silk fibroin microneedles should be further verified in clinical trials at different stages.
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Affiliation(s)
- Zhenzhen Qi
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Zheng Yan
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Guohongfang Tan
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Tianshuo Jia
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Yiyu Geng
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Huiyan Shao
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Subhas C. Kundu
- 3Bs Research Group, I3Bs Research Institute on Biomaterials, Biodegrabilities, and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, AvePark, Guimaraes, 4805-017 Barco, Portugal
| | - Shenzhou Lu
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
- Correspondence: ; Tel.: +86-512-67061152
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28
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Sahoo JK, Xu D, Falcucci T, Choi J, Hasturk O, Clark DS, Kaplan DL. Horseradish Peroxidase Catalyzed Silk-Prefoldin Composite Hydrogel Networks. ACS APPLIED BIO MATERIALS 2023; 6:203-208. [PMID: 36580433 DOI: 10.1021/acsabm.2c00836] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Protein-based hydrogel biomaterials provide a platform for different biological applications, including the encapsulation and stabilization of different biomolecules. These hydrogel properties can be modulated by controlling the design parameters to match specific needs; thus, multicomponent hydrogels have distinct advantages over single-component hydrogels due to their enhanced versatility. Here, silk fibroin and γ-prefoldin chaperone protein based composite hydrogels were prepared and studied. Different ratios of the proteins were chosen, and the hydrogels were prepared by enzyme-assisted cross-linking. The secondary structure of the two proteins, dityrosine bond formation, and mechanical properties were assessed. The results obtained can be used as a platform for the rational design of composite thermostable hydrogel biomaterials to facilitate protection (due to hydrogel mechanics) and retention of bioactivity (e.g., of enzymes and other biomolecules) due to chaperone-like properties of γ-prefoldin.
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Affiliation(s)
- Jugal Kishore Sahoo
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Dawei Xu
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States.,CAS Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing 100190, China
| | - Thomas Falcucci
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Jaewon Choi
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States.,Department of Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Onur Hasturk
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Douglas S Clark
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
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29
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Gonzalez-Obeso C, Jane Hartzell E, Albert Scheel R, Kaplan DL. Delivering on the promise of recombinant silk-inspired proteins for drug delivery. Adv Drug Deliv Rev 2023; 192:114622. [PMID: 36414094 PMCID: PMC9812964 DOI: 10.1016/j.addr.2022.114622] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 11/06/2022] [Accepted: 11/14/2022] [Indexed: 11/21/2022]
Abstract
Effective drug delivery is essential for the success of a medical treatment. Polymeric drug delivery systems (DDSs) are preferred over systemic administration of drugs due to their protection capacity, directed release, and reduced side effects. Among the numerous polymer sources, silks and recombinant silks have drawn significant attention over the past decade as DDSs. Native silk is produced from a variety of organisms, which are then used as sources or guides of genetic material for heterologous expression or engineered designs. Recombinant silks bear the outstanding properties of natural silk, such as processability in aqueous solution, self-assembly, drug loading capacity, drug stabilization/protection, and degradability, while incorporating specific properties beneficial for their success as DDS, such as monodispersity and tailored physicochemical properties. Moreover, the on-demand inclusion of sequences that customize the DDS for the specific application enhances efficiency. Often, inclusion of a drug into a DDS is achieved by simple mixing or diffusion and stabilized by non-specific molecular interactions; however, these interactions can be improved by the incorporation of drug-binding peptide sequences. In this review we provide an overview of native sources for silks and silk sequences, as well as the design and formulation of recombinant silk biomaterials as drug delivery systems in a variety of formats, such as films, hydrogels, porous sponges, or particles.
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Affiliation(s)
- Constancio Gonzalez-Obeso
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, USA
| | - Emily Jane Hartzell
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, USA
| | - Ryan Albert Scheel
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, USA.
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30
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Liu W, Ma R, Lu S, Wen Y, Li H, Wang J, Sun B. Acid-Resistant Mesoporous Metal-Organic Frameworks as Carriers for Targeted Hypoglycemic Peptide Delivery: Peptide Encapsulation, Release, and Bioactivity. ACS APPLIED MATERIALS & INTERFACES 2022; 14:55447-55457. [PMID: 36478454 DOI: 10.1021/acsami.2c18452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Oral administration of bioactive peptides with α-glucosidase inhibitory activities is a promising strategy for diabetes mellitus. The wheat germ peptide Leu-Asp-Leu-Gln-Arg (LDLQR) has been previously proven to inhibit the activity of α-glucosidase efficiently. However, it is still difficult to transport the peptide to the intestine completely due to the harsh condition of the stomach. Herein, an acid-resistant zirconium-based metal-organic framework, NU-1000, was used to immobilize LDLQR with a high encapsulation capacity (92.72%) and encapsulation efficiency (44.08%) in only 10 min. The in vitro release results showed that the acid-stable NU-1000 not only effectively protected LDLQR from degradation in the presence of stomach acid and pepsin effectively but also ensured the release of encapsulated LDLQR under simulated intestinal conditions. Furthermore, LDLQR@NU-1000 could slow down the elevated blood sugar caused by maltose in mice and the area under blood sugar curve decreased by almost 20% when compared with the control group. The inflammatory factor (IL-1β, IL-6) in vivo and cell growth in vitro were almost the same between NU-1000 treatment and normal control groups. This study indicates NU-1000 is a promising vehicle for targeted peptide-based bioactive delivery to the small intestine.
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Affiliation(s)
- Weiwei Liu
- China-Canada Joint Laboratory of Food Nutrition and Health (Beijing), School of Food and Health, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing100048, China
| | - Ruolan Ma
- China-Canada Joint Laboratory of Food Nutrition and Health (Beijing), School of Food and Health, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing100048, China
| | - Shiyi Lu
- China-Canada Joint Laboratory of Food Nutrition and Health (Beijing), School of Food and Health, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing100048, China
| | - Yangyang Wen
- College of Chemistry and Materials Engineering, Beijing Technology and Business University (BTBU), Beijing100048, China
| | - Hongyan Li
- China-Canada Joint Laboratory of Food Nutrition and Health (Beijing), School of Food and Health, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing100048, China
| | - Jing Wang
- China-Canada Joint Laboratory of Food Nutrition and Health (Beijing), School of Food and Health, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing100048, China
| | - Baoguo Sun
- China-Canada Joint Laboratory of Food Nutrition and Health (Beijing), School of Food and Health, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing100048, China
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Knap K, Kwiecień K, Reczyńska-Kolman K, Pamuła E. Inhalable microparticles as drug delivery systems to the lungs in a dry powder formulations. Regen Biomater 2022; 10:rbac099. [PMID: 36683752 PMCID: PMC9845529 DOI: 10.1093/rb/rbac099] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 10/11/2022] [Accepted: 10/22/2022] [Indexed: 12/13/2022] Open
Abstract
Inhalation-administrated drugs remain an interesting possibility of addressing pulmonary diseases. Direct drug delivery to the lungs allows one to obtain high concentration in the site of action with limited systemic distribution, leading to a more effective therapy with reduced required doses and side effects. On the other hand, there are several difficulties in obtaining a formulation that would meet all the criteria related to physicochemical, aerodynamic and biological properties, which is the reason why only very few of the investigated systems can reach the clinical trial phase and proceed to everyday use as a result. Therefore, we focused on powders consisting of polysaccharides, lipids, proteins or natural and synthetic polymers in the form of microparticles that are delivered by inhalation to the lungs as drug carriers. We summarized the most common trends in research today to provide the best dry powders in the right fraction for inhalation that would be able to release the drug before being removed by natural mechanisms. This review article addresses the most common manufacturing methods with novel modifications, pros and cons of different materials, drug loading capacities with release profiles, and biological properties such as cytocompatibility, bactericidal or anticancer properties.
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Affiliation(s)
| | | | - Katarzyna Reczyńska-Kolman
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, 30-059 Krakow, Poland
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d'Amone L, Trivedi VD, Nair NU, Omenetto FG. A Silk-Based Platform to Stabilize Phenylalanine Ammonia-lyase for Orally Administered Enzyme Replacement Therapy. Mol Pharm 2022; 19:4625-4630. [PMID: 35862031 DOI: 10.1021/acs.molpharmaceut.2c00512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Phenylalanine ammonia-lyase (PAL) has gained attention in recent years for the treatment of phenylketonuria (PKU), a genetic disorder that affects ∼1 in 15 000 individuals globally. However, the enzyme is easily degraded by proteases, unstable at room temperature, and currently administered in PKU patients as daily subcutaneous injections. We report here the stabilization of the PAL from Anabaena variabilis, which is currently used to formulate pegvaliase, through incorporation in a silk fibroin matrix. The combination with silk stabilizes PAL at 37 °C. In addition, in vitro studies showed that inclusion in a silk matrix preserves the biological activity of the enzyme in simulated intestinal fluid, which will enable oral administration of PAL to treat PKU.
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Affiliation(s)
- Luciana d'Amone
- Silklab, Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Vikas D Trivedi
- Department of Chemical & Biological Engineering, Tufts University, Medford, Massachusetts 02155, United States.,Department of Structural Biology and Center for Data Driven Discovery, St. Jude Children's Research Hospital, Memphis, Tennessee 38105-3678, United States
| | - Nikhil U Nair
- Department of Chemical & Biological Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Fiorenzo G Omenetto
- Silklab, Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States.,Department of Electrical and Computer Engineering, Tufts University, Medford, Massachusetts 02155, United States.,Department of Physics, Tufts University, Medford, Massachusetts 02155, United States.,Laboratory for Living Devices, Tufts University, Medford, Massachusetts 02155, United States
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Wu J, Shaidani S, Theodossiou SK, Hartzell EJ, Kaplan DL. Localized, on-demand, sustained drug delivery from biopolymer-based materials. Expert Opin Drug Deliv 2022; 19:1317-1335. [PMID: 35930000 PMCID: PMC9617770 DOI: 10.1080/17425247.2022.2110582] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 08/03/2022] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Local drug delivery facilitiates higher concentrations of drug molecules at or near the treatment site to enhance treatment efficiency and reduce drug toxicity and other systemic side effects. However, local drug delivery systems face challenges in terms of encapsulation, delivery, and controlled release of therapeutics. AREAS COVERED We provide an overview of naturally derived biopolymer-based drug delivery systems for localized, sustained, and on-demand treatment. We introduce the advantages and limitations of these systems for drug encapsulation, delivery, and local release, as well as recent applications. EXPERT OPINION Naturally derived biopolymers like cellulose, silk fibroin, chitosan, alginate, hyaluronic acid, and gelatin are good candidates for localized drug delivery because they are readily chemically modified, biocompatible, biodegradable (with the generation of metabolically compatible degradation products), and can be processed in aqueous and ambient environments to maintain the bioactivity of various therapeutics. The tradeoff between the effective treatment dosage and the response by local healthy tissue should be balanced during the design of these delivery systems. Future directions will be focused on strategies to design tunable and controlled biodegradation rates, as well as to explore commercial utility in substituting biopolymer-based systems for currently utilized synthetic polymers for implants for drug delivery.
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Affiliation(s)
- Junqi Wu
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, USA, 02155
| | - Sawnaz Shaidani
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, USA, 02155
| | - Sophia K. Theodossiou
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, USA, 02155
| | - Emily J. Hartzell
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, USA, 02155
| | - David L. Kaplan
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, USA, 02155
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