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Bokatyi AN, Dubashynskaya NV, Skorik YA. Chemical modification of hyaluronic acid as a strategy for the development of advanced drug delivery systems. Carbohydr Polym 2024; 337:122145. [PMID: 38710553 DOI: 10.1016/j.carbpol.2024.122145] [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: 02/07/2024] [Revised: 03/28/2024] [Accepted: 04/08/2024] [Indexed: 05/08/2024]
Abstract
Hyaluronic acid (HA) has emerged as a promising biopolymer for various biomedical applications due to its biocompatibility, biodegradability, and intrinsic ability to interact with cell surface receptors, making it an attractive candidate for drug delivery systems and tissue engineering. Chemical modification of HA has opened up versatile possibilities to tailor its properties, enabling the development of advanced drug delivery systems and biomaterials with enhanced functionalities and targeted applications. This review analyzes the strategies and applications of chemically modified HA in the field of drug delivery and biomaterial development. The first part of the review focuses on the different methods and functional groups used for the chemical modification of HA, highlighting the impact of these modifications on its physicochemical properties, degradation behavior and interactions with drugs. The second part of the review evaluates the use of chemically modified HA in the development of advanced biomedical materials including nano- and microparticles, hydrogels and mucoadhesive materials with tailored drug release profiles, site-specific targeting and stimuli-responsive behavior. Thus, the review consolidates the current advances and future perspectives in the field of chemical modification of HA, underscoring its immense potential to drive the development of advanced drug delivery systems and biomaterials with diverse biomedical applications.
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Affiliation(s)
- Anton N Bokatyi
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoi VO 31, St. Petersburg 199004, Russian Federation
| | - Natallia V Dubashynskaya
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoi VO 31, St. Petersburg 199004, Russian Federation
| | - Yury A Skorik
- Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoi VO 31, St. Petersburg 199004, Russian Federation.
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2
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Le Franc A, Da Silva A, Lepetre-Mouelhi S. Nanomedicine and voltage-gated sodium channel blockers in pain management: a game changer or a lost cause? Drug Deliv Transl Res 2024:10.1007/s13346-024-01615-9. [PMID: 38861139 DOI: 10.1007/s13346-024-01615-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/25/2024] [Indexed: 06/12/2024]
Abstract
Pain, a complex and debilitating condition affecting millions globally, is a significant concern, especially in the context of post-operative recovery. This comprehensive review explores the complexity of pain and its global impact, emphasizing the modulation of voltage-gated sodium channels (VGSC or NaV channels) as a promising avenue for pain management with the aim of reducing reliance on opioids. The article delves into the role of specific NaV isoforms, particularly NaV 1.7, NaV 1.8, and NaV 1.9, in pain process and discusses the development of sodium channel blockers to target these isoforms precisely. Traditional local anesthetics and selective NaV isoform inhibitors, despite showing varying efficacy in pain management, face challenges in systemic distribution and potential side effects. The review highlights the potential of nanomedicine in improving the delivery of local anesthetics, toxins and selective NaV isoform inhibitors for a targeted and sustained release at the site of pain. This innovative strategy seeks to improve drug bioavailability, minimize systemic exposure, and optimize therapeutic outcomes, holding significant promise for secure pain management and enhancing the quality of life for individuals recovering from surgical procedures or suffering from chronic pain.
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Affiliation(s)
- Adélaïde Le Franc
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400, Orsay, France
| | - Alexandre Da Silva
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400, Orsay, France
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3
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Zhang Q, Liu X, Liu H, Li S, An Z, Feng Z. Construction of bupivacaine-loaded gelatin-based hydrogel delivery system for sciatic nerve block in mice. J Biomed Mater Res A 2024. [PMID: 38804067 DOI: 10.1002/jbm.a.37754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 05/07/2024] [Accepted: 05/14/2024] [Indexed: 05/29/2024]
Abstract
Peripheral nerve blockade (PNB) is a common treatment to relieve postoperative pain. However, local anesthetics alone have a short duration of action and severe side effects during postoperative analgesia. In order to overcome these limitations, the present study reported an injectable hydrogel with a drug slow-release profile for regional nerve blockade. The injectable hydrogel was prepared by crosslinking with gelatin and NHS-PEG-NHS, which was degradable in the physiological environment and displayed sustainable release of anesthetics locally, thus improving the disadvantage of the high toxicity of local anesthetics. In this regard, we conducted a series of in vitro characterizations and proved that the hydrogel has a porous three-dimensional mesh structure with high drug loading capability, and sustainable drug release profile. And cytotoxicity experiments confirmed the good biocompatibility of the hydrogel. It was shown that using the animal sciatic nerve block model, the analgesic effect was greatly improved in vivo, and there was no obvious evidence of permanent inflammation or nerve damage in the block site's sections. This locally slow-release platform, combined with local anesthetics, is therefore a promising contender for long-acting analgesia.
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Affiliation(s)
- Qunfei Zhang
- The Postgraduate Training Base of Jinzhou Medical University (Xiaogan Hospital Affiliated to Wuhan University of Science and Technology), Xiaogan, China
- Department of Anesthesiology, Xiaogan Hospital Affiliated to Wuhan University of Science and Technology, Xiaogan, China
| | - Xiang Liu
- Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Hongqiang Liu
- Department of Anesthesiology, Xiaogan Hospital Affiliated to Wuhan University of Science and Technology, Xiaogan, China
| | - Shufen Li
- Department of Anesthesiology, Xiaogan Hospital Affiliated to Wuhan University of Science and Technology, Xiaogan, China
| | - Zhenping An
- The Postgraduate Training Base of Jinzhou Medical University (Xiaogan Hospital Affiliated to Wuhan University of Science and Technology), Xiaogan, China
- Department of Anesthesiology, Xiaogan Hospital Affiliated to Wuhan University of Science and Technology, Xiaogan, China
| | - Zujian Feng
- Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
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4
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Wang L, Ma X, Pan Y, Ye H, Liu Z, Kuang Z, Zhao Z, Liu A, Ji Y. pH-Responsive Calcium Ions and Crocetin Releasing Hydrogel for Accelerating Skin Wound Healing. Chem Asian J 2024; 19:e202400198. [PMID: 38558255 DOI: 10.1002/asia.202400198] [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: 02/25/2024] [Revised: 03/31/2024] [Accepted: 04/01/2024] [Indexed: 04/04/2024]
Abstract
The ideal and highly anticipated dressing for skin wounds should provide a moist environment, possess antibacterial properties, and ensure sustained drug release. In the present work, a hyaluronic acid-based hydrogel was formed by cross-linking crocetin and CaCO3@polyelectrolyte materials (CaCO3@PEM) microspheres with HA hydrogels via hydrogen bond and amido bonding (CaCO3@PEM@Cro@HA hydrogel, CPC@HA hydrogel). Moreover, the CPC@HA hydrogel had the capability of sustained, controlled release of calcium ions and crocetin via pH-sensitive and accelerated skin wound healing. The experiment results showed that the CPC@HA hydrogel exhibited porous network structures, stable physical properties, and had antibacterial properties and biocompatibility in vitro. In addition, the CPC@HA hydrogel covering on the skin wound could reduce inflammation and promote wound healing. The high expression of angiogenic cytokines (CD31) and epidermal terminal differentiation markers (Loricrin) of wound healing tissue suggested the CPC@HA hydrogel also had the function of promoting the remodeling of regenerated skin. Overall, CPC@HA hydrogel has promising potential for clinical applications in accelerating skin wound repair.
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Affiliation(s)
- Li Wang
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Xuemei Ma
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yanan Pan
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Haoxiang Ye
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Zike Liu
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Zaoyuan Kuang
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Zhongxiang Zhao
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Aijun Liu
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yuxing Ji
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
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5
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Choi W, Aizik G, Ostertag-Hill CA, Kohane DS. A hybrid nanoparticle-protein hydrogel system for prolonged local anesthesia. Biomaterials 2024; 306:122494. [PMID: 38316090 DOI: 10.1016/j.biomaterials.2024.122494] [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: 12/14/2023] [Revised: 01/26/2024] [Accepted: 01/28/2024] [Indexed: 02/07/2024]
Abstract
Local anesthetics are effective in relieving pain, but their duration of action is short. Therefore, the development of injectable sustained release systems to prolong the effect of local anesthetics has been of interest. In such systems delivering conventional local anesthetics, it has been challenging to achieve long durations of effect, particularly without incurring tissue toxicity. To overcome these challenges, we created a platform comprising a protein hydrogel incorporating hydrophobic local anesthetic (bupivacaine) nanoparticles. The nanoparticles were prepared by anti-solvent precipitation stabilized with bovine serum albumin (BSA), followed by crosslinking with glutaraldehyde (GA). The resulting BSA hydrogels prolonged release of bupivacaine in vitro. When bupivacaine nanoparticles within crosslinked BSA were injected at the sciatic nerve in rats, a duration of nerve block of 39.9 h was obtained, compared to 5.5 h for the commercial bupivacaine liposome suspension EXPAREL®. Tissue reaction was benign. We further demonstrated that this system could control the release of the amphiphilic drug diphenhydramine and the hydrophobic paclitaxel.
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Affiliation(s)
- Wonmin Choi
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, United States
| | - Gil Aizik
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, United States
| | - Claire A Ostertag-Hill
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, United States
| | - Daniel S Kohane
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, United States.
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6
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Mozipo EA, Galindo AN, Khachatourian JD, Harris CG, Dorogin J, Spaulding VR, Ford MR, Singhal M, Fogg KC, Hettiaratchi MH. Statistical optimization of hydrazone-crosslinked hyaluronic acid hydrogels for protein delivery. J Mater Chem B 2024; 12:2523-2536. [PMID: 38344905 PMCID: PMC10916537 DOI: 10.1039/d3tb01588b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 02/01/2024] [Indexed: 02/27/2024]
Abstract
Hydrazone-crosslinked hydrogels are attractive protein delivery vehicles for regenerative medicine. However, each regenerative medicine application requires unique hydrogel properties to achieve an ideal outcome. The properties of a hydrogel can be impacted by numerous factors involved in its fabrication. We used design of experiments (DoE) statistical modeling to efficiently optimize the physicochemical properties of a hyaluronic acid (HA) hydrazone-crosslinked hydrogel for protein delivery for bone regeneration. We modified HA with either adipic acid dihydrazide (HA-ADH) or aldehyde (HA-Ox) functional groups and used DoE to evaluate the interactions of three input variables, the molecular weight of HA (40 or 100 kDa), the concentration of HA-ADH (1-3% w/v), and the concentration of HA-Ox (1-3% w/v), on three output responses, gelation time, compressive modulus, and hydrogel stability over time. We identified 100 kDa HA-ADH3.00HA-Ox2.33 as an optimal hydrogel that met all of our design criteria, including displaying a gelation time of 3.7 minutes, compressive modulus of 62.1 Pa, and minimal mass change over 28 days. For protein delivery, we conjugated affinity proteins called affibodies that were specific to the osteogenic protein bone morphogenetic protein-2 (BMP-2) to HA hydrogels and demonstrated that our platform could control the release of BMP-2 over 28 days. Ultimately, our approach demonstrates the utility of DoE for optimizing hydrazone-crosslinked HA hydrogels for protein delivery.
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Affiliation(s)
- Esther A Mozipo
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR, USA
| | - Alycia N Galindo
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
| | - Jenna D Khachatourian
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
- Department of Human Physiology, University of Oregon, Eugene, OR, USA
| | - Conor G Harris
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR, USA
| | - Jonathan Dorogin
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
| | | | - Madeleine R Ford
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
- Department of Human Physiology, University of Oregon, Eugene, OR, USA
| | - Malvika Singhal
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR, USA
- Institute of Molecular Biology, University of Oregon, Eugene, OR, USA.
| | - Kaitlin C Fogg
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR, USA
| | - Marian H Hettiaratchi
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR, USA
- Institute of Molecular Biology, University of Oregon, Eugene, OR, USA.
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7
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Chen J, Zhao X, Qiao L, Huang Y, Yang Y, Chu D, Guo B. Multifunctional On-Demand Removability Hydrogel Dressing Based on in Situ Formed AgNPs, Silk Microfibers and Hydrazide Hyaluronic Acid for Burn Wound Healing. Adv Healthc Mater 2024; 13:e2303157. [PMID: 38247348 DOI: 10.1002/adhm.202303157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 12/14/2023] [Indexed: 01/23/2024]
Abstract
Elevated temperatures can deactivate tissues in the burn wound area, allowing pathogenic bacteria to multiply on the wound surface, ultimately leading to local or systemic infection. An ideal burn dressing should provide antibacterial properties and facilitate painless dressing changes. Silk microfibers coated with poly (2, 3, 4-trihydroxybenzaldehyde) (referred to as mSF@PTHB) to in situ reduce AgNO3 to silver nanoparticles (AgNPs) in a hydrazide hyaluronic acid-based hydrogel are utilized. The findings indicate a more homogeneous distribution of the silver elements compared to directly doped AgNPs, which also conferred antioxidant and antibacterial properties to the hydrogel. Moreover, hydrogels containing pH-responsive dynamic acylhydrazone bonds can undergo a gel-sol transition in a weak acid environment, leading to the painless removal of adhesive hydrogel dressings. Notably, the on-demand replaceable self-healing antioxidant hydrogel dressing exhibits antibacterial effects and cytocompatibility in vitro, and the wound-healing performance of the hydrogel is validated by treating a burn mouse model with full-thickness skin defects. It is demonstrated that hydrogel dressings offer a viable therapeutic approach to prevent infection and facilitate the healing of burn wounds.
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Affiliation(s)
- Jueying Chen
- State Key Laboratory for Mechanical Behavior of Materials, Frontier Institute of Science and Technology, and Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Xin Zhao
- State Key Laboratory for Mechanical Behavior of Materials, Frontier Institute of Science and Technology, and Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Lipeng Qiao
- State Key Laboratory for Mechanical Behavior of Materials, Frontier Institute of Science and Technology, and Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Ying Huang
- State Key Laboratory for Mechanical Behavior of Materials, Frontier Institute of Science and Technology, and Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Yutong Yang
- State Key Laboratory for Mechanical Behavior of Materials, Frontier Institute of Science and Technology, and Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Dake Chu
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, P. R. China
| | - Baolin Guo
- State Key Laboratory for Mechanical Behavior of Materials, Frontier Institute of Science and Technology, and Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
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8
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Mozipo EA, Galindo AN, Khachatourian JD, Harris CG, Dorogin J, Spaulding VR, Ford MR, Singhal M, Fogg KC, Hettiaratchi MH. Statistical Optimization of Hydrazone-Crosslinked Hyaluronic Acid Hydrogels for Protein Delivery. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.14.549125. [PMID: 37503070 PMCID: PMC10370027 DOI: 10.1101/2023.07.14.549125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Hydrazone-crosslinked hydrogels are attractive protein delivery vehicles for regenerative medicine. However, each regenerative medicine application requires unique hydrogel properties to achieve an ideal outcome. The properties of a hydrogel can be impacted by numerous factors involved in its fabrication. We used design of experiments (DoE) statistical modeling to efficiently optimize the physicochemical properties of a hyaluronic acid (HA) hydrazone-crosslinked hydrogel for protein delivery for bone regeneration. We modified HA with either adipic acid dihydrazide (HA-ADH) or aldehyde (HA-Ox) functional groups and used DoE to evaluate the interactions of three input variables, the molecular weight of HA (40 or 100 kDa), the concentration of HA-ADH (1-3% w/v), and the concentration of HA-Ox (1-3% w/v), on three output responses, gelation time, compressive modulus, and hydrogel stability over time. We identified 100 kDa HA-ADH3.0HA-Ox2.33 as an optimal hydrogel that met all of our design criteria, including displaying a gelation time of 3.7 minutes, compressive modulus of 62.1 Pa, and minimal mass change over 28 days. For protein delivery, we conjugated affinity proteins called affibodies that were specific to the osteogenic protein bone morphogenetic protein-2 (BMP-2) to HA hydrogels and demonstrated that our platform could control the release of BMP-2 over 28 days. Ultimately, our approach demonstrates the utility of DoE for optimizing hydrazone-crosslinked HA hydrogels for protein delivery.
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Affiliation(s)
- Esther A. Mozipo
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR
| | - Alycia, N. Galindo
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
| | - Jenna D. Khachatourian
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
- Department of Human Physiology, University of Oregon, Eugene, OR
| | - Conor G. Harris
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR
| | - Jonathan Dorogin
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
| | | | - Madeleine R. Ford
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
- Department of Human Physiology, University of Oregon, Eugene, OR
| | - Malvika Singhal
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR
- Institute of Molecular Biology, University of Oregon, Eugene, OR
| | - Kaitlin C. Fogg
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR
| | - Marian H. Hettiaratchi
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR
- Institute of Molecular Biology, University of Oregon, Eugene, OR
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Li X, Li Q, Song S, Stevens AO, Broemmel Z, He Y, Wesselmann U, Yaksh T, Zhao C. Emulsion-induced polymersomes taming tetrodotoxin for prolonged duration local anesthesia. ADVANCED THERAPEUTICS 2023; 6:2200199. [PMID: 36819711 PMCID: PMC9937052 DOI: 10.1002/adtp.202200199] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Indexed: 11/06/2022]
Abstract
Injectable local anesthetics that can provide a continuous nerve block approximating the duration of a pain state would be a life-changing solution for patients experiencing post-operative pain or chronic pain. Tetrodotoxin (TTX) is a site 1 sodium channel blocker that is extremely potent compared to clinically used local anesthetics. Challengingly, TTX doses are limited by its associated systemic toxicity, thus shortening the achievable duration of nerve blocks. Here, we explore emulsion-induced polymersomes (EIP) as a drug delivery system to safely use TTX for local anesthesia. By emulsifying hyperbranched polyglycerol-poly (propylene glycol)-hyperbranched polyglycerol (HPG-PPG-HPG) in TTX aqueous solution, HPG-PPG-HPG self-assembled into micrometer-sized polymersomes within seconds. The formed polymersomes have microscopically visible internal aqueous pockets that encapsulate TTX with an encapsulation efficiency of up to 94%. Moreover, the polymersomes are structurally stable, enabling sustained TTX release. In vivo, the freshly prepared EIP/TTX formulation can be directly injected and increased the tolerated dose of TTX in Sprague-Dawley rats to 11.5 μg without causing any TTX-related systemic toxicity. In the presence of the chemical penetration enhancer (CPE) sodium octyl sulfate (SOS), a single perineural injection of EIP/TTX/SOS formulation produced a reliable sciatic nerve block for 22 days with minimal local toxicity.
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Affiliation(s)
- Xiaosi Li
- Department of Chemical and Biological Engineering, University of Alabama, Tuscaloosa, AL 35487, USA
| | - Qi Li
- Department of Chemical and Biological Engineering, University of Alabama, Tuscaloosa, AL 35487, USA
| | - Shenghan Song
- Department of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Amy O. Stevens
- Department of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Zach Broemmel
- Department of Chemical and Biological Engineering, University of Alabama, Tuscaloosa, AL 35487, USA
| | - Yi He
- Department of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, NM 87131, USA
- Translational Informatics Division, Department of Internal Medicine, University of New Mexico, Albuquerque, NM 87131, USA
| | - Ursula Wesselmann
- Department of Anesthesiology and Perioperative Medicine, Division of Pain Medicine, and Department of Neurology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Tony Yaksh
- Department of Anesthesiology, University of California at San Diego, La Jolla, CA 92093, USA
| | - Chao Zhao
- Department of Chemical and Biological Engineering, University of Alabama, Tuscaloosa, AL 35487, USA
- Center for Convergent Biosciences and Medicine, University of Alabama, Tuscaloosa AL 35487
- Alabama Life Research Institute, University of Alabama, Tuscaloosa AL 35487
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10
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Kim J, Kim D, Shin D, Sung T, Rhee S, Kim M, Nam C, Lee I, Son W. Effect of temperature-responsive hydrogel on femoral and sciatic nerve blocks using bupivacaine in Beagle dogs. Vet Med Sci 2022; 9:91-97. [PMID: 36495171 PMCID: PMC9857004 DOI: 10.1002/vms3.1049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVES To compare the duration of regional anesthesia of the pelvic limb using bupivacaine with and without a temperature-responsive hydrogel (TRH) in dogs. METHODS Under anesthesia using medetomidine (10 μg·kg-1 ), alfaxalone (2 mg·kg-1 ), and isoflurane, seven healthy male Beagles received four injections of 0.5% bupivacaine (1 mg·kg-1 with 5 μg·ml-1 epinephrine) to block the femoral and sciatic nerves bilaterally via ultrasound with nerve stimulation guidance. Bupivacaine was used on one pelvic limb (Bup treatment), and bupivacaine with TRH was used on the contralateral limb (Bup-TRH treatment). The nerve block was considered successful upon the absence of responses to pinching the digital pads and mid-tibial skin of both pelvic limbs with mosquito forceps; the pinch, proprioception, and locomotion tests were performed before (baseline) and at each hour after the nerve block until sensory and motor functions returned to baseline. The effect of TRH on nerve blocks was analyzed using a linear mixed model. RESULTS The duration of the sensory nerve block at the digital pads and mid-tibial skin was longer with Bup-TRH (8.0 ± 1.6 h and 10.9 ± 1.6 h, respectively) than with Bup treatment (3.7 ± 2.0 h and 8.0 ± 1.6 h, respectively). Motor block times of proprioception and locomotion were longer with Bup-TRH (9.3 ± 1.6 and 12.7 ± 1.5 h, respectively) than with Bup treatment (4.6 ± 1.9 and 9.6 ± 1.5 h, respectively). No complications were observed. CLINICAL SIGNIFICANCE TRH extended the duration of regional anesthesia of the pelvic limb using bupivacaine.
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Affiliation(s)
- Jiyoung Kim
- Department of Veterinary Clinical SciencesCollege of Veterinary MedicineSeoul National UniversitySeoulRepublic of Korea
| | - Dalhae Kim
- Department of Veterinary Clinical SciencesCollege of Veterinary MedicineSeoul National UniversitySeoulRepublic of Korea
| | - Donghwi Shin
- Department of Veterinary Clinical SciencesCollege of Veterinary MedicineSeoul National UniversitySeoulRepublic of Korea
| | - Taehoon Sung
- Department of Veterinary Clinical SciencesCollege of Veterinary MedicineSeoul National UniversitySeoulRepublic of Korea
| | - Suehyung Rhee
- Department of Veterinary Clinical SciencesCollege of Veterinary MedicineSeoul National UniversitySeoulRepublic of Korea
| | - Minha Kim
- Department of Veterinary Clinical SciencesCollege of Veterinary MedicineSeoul National UniversitySeoulRepublic of Korea
| | - Changhun Nam
- Department of Veterinary Clinical SciencesCollege of Veterinary MedicineSeoul National UniversitySeoulRepublic of Korea
| | - Inhyung Lee
- Department of Veterinary Clinical SciencesCollege of Veterinary MedicineSeoul National UniversitySeoulRepublic of Korea
| | - Won‐Gyun Son
- Department of Veterinary Clinical SciencesCollege of Veterinary MedicineSeoul National UniversitySeoulRepublic of Korea
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11
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Damiati LA, El-Yaagoubi M, Damiati SA, Kodzius R, Sefat F, Damiati S. Role of Polymers in Microfluidic Devices. Polymers (Basel) 2022; 14:5132. [PMID: 36501526 PMCID: PMC9738615 DOI: 10.3390/polym14235132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/22/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022] Open
Abstract
Polymers are sustainable and renewable materials that are in high demand due to their excellent properties. Natural and synthetic polymers with high flexibility, good biocompatibility, good degradation rate, and stiffness are widely used for various applications, such as tissue engineering, drug delivery, and microfluidic chip fabrication. Indeed, recent advances in microfluidic technology allow the fabrication of polymeric matrix to construct microfluidic scaffolds for tissue engineering and to set up a well-controlled microenvironment for manipulating fluids and particles. In this review, polymers as materials for the fabrication of microfluidic chips have been highlighted. Successful models exploiting polymers in microfluidic devices to generate uniform particles as drug vehicles or artificial cells have been also discussed. Additionally, using polymers as bioink for 3D printing or as a matrix to functionalize the sensing surface in microfluidic devices has also been mentioned. The rapid progress made in the combination of polymers and microfluidics presents a low-cost, reproducible, and scalable approach for a promising future in the manufacturing of biomimetic scaffolds for tissue engineering.
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Affiliation(s)
- Laila A. Damiati
- Department of Biology, Collage of Science, University of Jeddah, Jeddah 23890, Saudi Arabia
| | - Marwa El-Yaagoubi
- Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, UK
| | - Safa A. Damiati
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Rimantas Kodzius
- Faculty of Medicine, Ludwig Maximilian University of Munich (LMU), 80539 Munich, Germany
- Faculty of Medicine, Vilnius University, 03101 Vilnius, Lithuania
| | - Farshid Sefat
- Interdisciplinary Research Centre in Polymer Science & Technology (Polymer IRC), University of Bradford, Bradford BD7 1DP, UK
- Department of Biomedical and Electronics Engineering, School of Engineering, University of Bradford, Bradford, BD7 1DP, UK
| | - Samar Damiati
- Department of Chemistry, College of Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
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12
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Grieco M, Ursini O, Palamà IE, Gigli G, Moroni L, Cortese B. HYDRHA: Hydrogels of hyaluronic acid. New biomedical approaches in cancer, neurodegenerative diseases, and tissue engineering. Mater Today Bio 2022; 17:100453. [PMID: 36254248 PMCID: PMC9568881 DOI: 10.1016/j.mtbio.2022.100453] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 10/03/2022] [Accepted: 10/07/2022] [Indexed: 10/30/2022]
Abstract
In the last decade, hyaluronic acid (HA) has attracted an ever-growing interest in the biomedical engineering field as a biocompatible, biodegradable, and chemically versatile molecule. In fact, HA is a major component of the extracellular matrix (ECM) and is essential for the maintenance of cellular homeostasis and crosstalk. Innovative experimental strategies in vitro and in vivo using three-dimensional (3D) HA systems have been increasingly reported in studies of diseases, replacement of tissue and organ damage, repairing wounds, and encapsulating stem cells for tissue regeneration. The present work aims to give an overview and comparison of recent work carried out on HA systems showing advantages, limitations, and their complementarity, for a comprehensive characterization of their use. A special attention is paid to the use of HA in three important areas: cancer, diseases of the central nervous system (CNS), and tissue regeneration, discussing the most innovative experimental strategies. Finally, perspectives within and beyond these research fields are discussed.
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Affiliation(s)
- Maddalena Grieco
- National Research Council-Nanotechnology Institute (CNR Nanotec), 73100, Lecce, Italy
| | - Ornella Ursini
- National Research Council-Nanotechnology Institute (CNR Nanotec), 00185, Rome, Italy
| | - Ilaria Elena Palamà
- National Research Council-Nanotechnology Institute (CNR Nanotec), 73100, Lecce, Italy
| | - Giuseppe Gigli
- National Research Council-Nanotechnology Institute (CNR Nanotec), 73100, Lecce, Italy,Department of Mathematics and Physics “Ennio De Giorgi” University of Salento, Via Arnesano, 73100, Lecce, Italy
| | - Lorenzo Moroni
- National Research Council-Nanotechnology Institute (CNR Nanotec), 73100, Lecce, Italy,Complex Tissue Regeneration Department, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229 ER, the Netherlands
| | - Barbara Cortese
- National Research Council-Nanotechnology Institute (CNR Nanotec), 00185, Rome, Italy,Corresponding author.
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Duceac IA, Coseri S. Biopolymers and their derivatives: Key components of advanced biomedical technologies. Biotechnol Adv 2022; 61:108056. [DOI: 10.1016/j.biotechadv.2022.108056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/26/2022] [Accepted: 10/23/2022] [Indexed: 11/02/2022]
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14
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Zhang K, Feng Q, Fang Z, Gu L, Bian L. Structurally Dynamic Hydrogels for Biomedical Applications: Pursuing a Fine Balance between Macroscopic Stability and Microscopic Dynamics. Chem Rev 2021; 121:11149-11193. [PMID: 34189903 DOI: 10.1021/acs.chemrev.1c00071] [Citation(s) in RCA: 107] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Owing to their unique chemical and physical properties, hydrogels are attracting increasing attention in both basic and translational biomedical studies. Although the classical hydrogels with static networks have been widely reported for decades, a growing number of recent studies have shown that structurally dynamic hydrogels can better mimic the dynamics and functions of natural extracellular matrix (ECM) in soft tissues. These synthetic materials with defined compositions can recapitulate key chemical and biophysical properties of living tissues, providing an important means to understanding the mechanisms by which cells sense and remodel their surrounding microenvironments. This review begins with the overall expectation and design principles of dynamic hydrogels. We then highlight recent progress in the fabrication strategies of dynamic hydrogels including both degradation-dependent and degradation-independent approaches, followed by their unique properties and use in biomedical applications such as regenerative medicine, drug delivery, and 3D culture. Finally, challenges and emerging trends in the development and application of dynamic hydrogels are discussed.
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Affiliation(s)
- Kunyu Zhang
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States.,Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Qian Feng
- Bioengineering College, Chongqing University, Chongqing 400044, People's Republic of China
| | - Zhiwei Fang
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States.,Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Luo Gu
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States.,Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Liming Bian
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou 511442, People's Republic of China.,National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, People's Republic of China.,Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, People's Republic of China.,Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, People's Republic of China.,Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, People's Republic of China
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Abstract
Hyaluronic acid (HA) is a natural polyelectrolyte abundant in mammalian connective tissues, such as cartilage and skin. Both endogenous and exogenous HA produced by fermentation have similar physicochemical, rheological, and biological properties, leading to medical and dermo-cosmetic products. Chemical modifications such as cross-linking or conjugation in target groups of the HA molecule improve its properties and in vivo stability, expanding its applications. Currently, HA-based scaffolds and matrices are of great interest in tissue engineering and regenerative medicine. However, the partial oxidation of the proximal hydroxyl groups in HA to electrophilic aldehydes mediated by periodate is still rarely investigated. The introduced aldehyde groups in the HA backbone allow spontaneous cross-linking with adipic dihydrazide (ADH), thermosensitivity, and noncytotoxicity to the hydrogels, which are advantageous for medical applications. This review provides an overview of the physicochemical properties of HA and its usual chemical modifications to better understand oxi-HA/ADH hydrogels, their functional properties modulated by the oxidation degree and ADH concentration, and the current clinical research. Finally, it discusses the development of biomaterials based on oxi-HA/ADH as a novel approach in tissue engineering and regenerative medicine.
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16
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Turner JG, White LR, Estrela P, Leese HS. Hydrogel-Forming Microneedles: Current Advancements and Future Trends. Macromol Biosci 2020; 21:e2000307. [PMID: 33241641 DOI: 10.1002/mabi.202000307] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/21/2020] [Indexed: 12/17/2022]
Abstract
In this focused progress review, the recent developments and trends of hydrogel-forming microneedles (HFMs) and potential future directions are presented. Previously, microneedles (solid, hollow, coated, and dissolving microneedles) have primarily been used to enhance the effectiveness of transdermal drug delivery to facilitate a wide range of applications such as vaccinations and antibiotic delivery. However, the recent trend in microneedle development has resulted in microneedles formed from hydrogels which have the ability to offer transdermal drug delivery and, due to the hydrogel swelling nature, passively extract interstitial fluid from the skin, meaning they have the potential to be used for biocompatible minimally invasive monitoring devices. Thus, in this review, these recent trends are highlighted, which consolidate microneedle design considerations, hydrogel formulations, fabrication processes, applications of HFMs and the potential future opportunities for utilizing HFMs for personalized healthcare monitoring and treatment.
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Affiliation(s)
- Joseph G Turner
- Materials for Health Lab, Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK.,Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), University of Bath, Bath, BA2 7AY, UK
| | - Leah R White
- Materials for Health Lab, Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK
| | - Pedro Estrela
- Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), University of Bath, Bath, BA2 7AY, UK.,Department of Electronic and Electrical Engineering, University of Bath, Bath, BA2 7AY, UK
| | - Hannah S Leese
- Materials for Health Lab, Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK.,Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), University of Bath, Bath, BA2 7AY, UK
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Zhang Y, Li L, Mu J, Chen J, Feng S, Gao J. Implantation of a functional TEMPO-hydrogel induces recovery from rat spinal cord transection through promoting nerve regeneration and protecting bladder tissue. Biomater Sci 2020; 8:1695-1701. [PMID: 31989134 DOI: 10.1039/c9bm01530b] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Spinal cord injury is one of the most serious traumatic diseases. The current available clinical therapies are unable to provide effective recovery of nerve functions. Implantation of biomaterial scaffolds is a promising approach to bridge the damaged nerve tissue in the absence of the extracellular matrix. However, the treatments have been impaired by the increased generation of reactive oxygen species in the microenvironment of acute spinal cord injury. Efficient delivery of antioxidants and biocompatible materials and reagents has been a challenge. Herein, a novel hyaluronic acid (HA) hydrogel functionalized with the antioxidant compound 2,2,6,6-tetramethylpiperidinyloxy (TEMPO) is fabricated for nerve tissue regeneration after serious spinal cord transection in rats. TEMPO is tethered onto HA chains to form HA-TEMPO through a Schiff base reaction between 4-amino-TEMPO and aldehyde modified HA chains. The TEMPO-hydrogel is constructed with a highly porous three-dimensional structure via the gelation between the residue aldehydes in HA-TEMPO and the amines in adipic dihydrazide modified HA. The functional TEMPO-hydrogel exhibits the antioxidant effect in an H2O2 simulated in vitro peroxidative microenvironment. Implantation of the functional hydrogel in vivo induces a significant motor function restoration, which could be attributed to the effective functions of the TEMPO-hydrogel in tissue reconnection as well as nerve fiber regeneration of the central nervous spinal cord tissue. Importantly, the treatment with the TEMPO-hydrogel effectively protects the bladder tissue from neurogenic damage. Therefore, the functional TEMPO-hydrogel provides a promising strategy for the treatment of central nervous system diseases through the antioxidant and lesion-bridging regulation of the pathological microenvironment.
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Affiliation(s)
- Yu Zhang
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, People's Republic of China.
| | - Liming Li
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, People's Republic of China. and Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Jiafu Mu
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, People's Republic of China.
| | - Jiachen Chen
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, People's Republic of China.
| | - Shiqing Feng
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, People's Republic of China and Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and regeneration in Central Nervous System, Ministry of Education and Tianjin City, Tianjin, People's Republic of China
| | - Jianqing Gao
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, People's Republic of China. and Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, People's Republic of China
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18
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Duan Y, Li X, Zuo X, Shen T, Yu S, Deng L, Gao C. Migration of endothelial cells and mesenchymal stem cells into hyaluronic acid hydrogels with different moduli under induction of pro-inflammatory macrophages. J Mater Chem B 2020; 7:5478-5489. [PMID: 31415053 DOI: 10.1039/c9tb01126a] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The design of hyaluronic acid (HA)-based and stimuli-responsive hydrogels to elicit highly controlled and tunable cell response and behaviors is a major field of interest in tissue engineering and regenerative medicine. The pH-responsive hydrogel can respond to pH variation during wound healing, which may in turn regulate the tissue regeneration process. In this study, a double-network hydrogel cross-linked with vinyl double bonds and Schiff base was prepared, whose properties were further adjusted by incubation in pH 7.4 and pH 5 buffers. The endothelial cells (ECs) migrated much deeper into the softer HA hydrogel pre-treated with pH 5 buffer than the stiffer hydrogel. By contrast, the mesenchymal stem cells (MSCs) migrated easily into the stiffer hydrogel. The ECs highly expressed RhoA and non-muscle myosin (NM) II genes in the softer hydrogel, which may facilitate amoeboid migration. Meanwhile, the MSCs were stiffer than the ECs, and highly expressed Rac1, RhoA, vinculin, NM II, hyaluronidase (HYAL) 2 and CD44 genes in the stiffer hydrogel, which facilitate mesenchymal migration. These results provide important clues for revealing the different migration strategies of the ECs and MSCs in HA hydrogels with different stiffness, and suggest that the mechanical properties and the network structure of hydrogels play an important role in regulating the three-dimensional migration process of these cells.
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Affiliation(s)
- Yiyuan Duan
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China.
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19
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Ge M, Sun J, Chen M, Tian J, Yin H, Yin J. A hyaluronic acid fluorescent hydrogel based on fluorescence resonance energy transfer for sensitive detection of hyaluronidase. Anal Bioanal Chem 2020; 412:1915-1923. [DOI: 10.1007/s00216-020-02443-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/24/2019] [Accepted: 01/20/2020] [Indexed: 12/20/2022]
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20
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Injectable in situ forming nanogel: A hybrid Alginate-NLC formulation extends bupivacaine anesthetic effect. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 109:110608. [PMID: 32228992 DOI: 10.1016/j.msec.2019.110608] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 12/20/2019] [Accepted: 12/26/2019] [Indexed: 01/19/2023]
Abstract
Finding an ideal anesthetic agent for postoperative pain control, with long action and low side effects, is still a challenge. Local anesthetics have potential for such application if their time of action is improved. This work introduces a new hybrid formulation formed by the association of a nanostructured lipid carrier with a biopolymeric system to encapsulate bupivacaine (BVC). The hybrid formulation was physicochemical and structurally characterized by DLS, TEM, DSC, XRD and FTIR-ATR, and it remained stable for 12 months at room temperature. In vivo analgesia and imaging tests showed that the hybrid system was able to modulate the release, and to increase the concentration of BVC at the site of action, by forming a nanogel in situ. Such nanogel improved over 5 times (>24 h) the anesthesia duration, when compared to free BVC at clinical (0.5%) doses. Therefore, this novel in situ-forming nanogel shows great potential to be used in postsurgical pain control, improving the action of BVC, without losing its versatility of (infiltrative) application.
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Li L, Xiao B, Mu J, Zhang Y, Zhang C, Cao H, Chen R, Patra HK, Yang B, Feng S, Tabata Y, Slater NKH, Tang J, Shen Y, Gao J. A MnO 2 Nanoparticle-Dotted Hydrogel Promotes Spinal Cord Repair via Regulating Reactive Oxygen Species Microenvironment and Synergizing with Mesenchymal Stem Cells. ACS NANO 2019; 13:14283-14293. [PMID: 31769966 DOI: 10.1021/acsnano.9b07598] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Spinal cord injury (SCI) is one of the most debilitating injuries, and transplantation of stem cells in a scaffold is a promising strategy for treatment. However, stem cell treatment of SCI has been severely impaired by the increased generation of reactive oxygen species in the lesion microenvironment, which can lead to a high level of stem cell death and dysfunction. Herein, a MnO2 nanoparticle (NP)-dotted hydrogel is prepared through dispersion of MnO2 NPs in a PPFLMLLKGSTR peptide modified hyaluronic acid hydrogel. The peptide-modified hydrogel enables the adhesive growth of mesenchymal stem cells (MSCs) and nerve tissue bridging. The MnO2 NPs alleviate the oxidative environment, thereby effectively improving the viability of MSCs. Transplantation of MSCs in the multifunctional gel generates a significant motor function restoration on a long-span rat spinal cord transection model and induces an in vivo integration as well as neural differentiation of the implanted MSCs, leading to a highly efficient regeneration of central nervous spinal cord tissue. Therefore, the MnO2 NP-dotted hydrogel represents a promising strategy for stem-cell-based therapies of central nervous system diseases through the comprehensive regulation of pathological microenvironment complications.
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Affiliation(s)
- Liming Li
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou 310058 , China
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine , Zhejiang University , Hangzhou 310058 , China
| | - Bing Xiao
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou 310058 , China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering , Zhejiang University , Hangzhou 310027 , China
| | - Jiafu Mu
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou 310058 , China
| | - Yu Zhang
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou 310058 , China
| | - Chenyang Zhang
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou 310058 , China
| | - Hongcui Cao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine , Zhejiang University , Hangzhou 310003 , China
| | - Rongjun Chen
- Department of Chemical Engineering , Imperial College London , South Kensington Campus , London , SW7 2AZ , United Kingdom
| | - Hirak Kumar Patra
- Department of Chemical Engineering and Biotechnology , University of Cambridge , Cambridge , CB2 0SP , United Kingdom
| | - Bo Yang
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou 310058 , China
| | - Shiqing Feng
- Department of Orthopedics , Tianjin Medical University General Hospital , Tianjin 300052 , China
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System , Ministry of Education and Tianjin City , Tianjin 300052 , China
| | - Yasuhiko Tabata
- Department of Regeneration Science and Engineering, Institute for Frontier Life and Medical Sciences , Kyoto University , Kyoto 606-8501 , Japan
| | - Nigel K H Slater
- Department of Chemical Engineering and Biotechnology , University of Cambridge , Cambridge , CB2 0SP , United Kingdom
| | - Jianbin Tang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering , Zhejiang University , Hangzhou 310027 , China
| | - Youqing Shen
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering , Zhejiang University , Hangzhou 310027 , China
| | - Jianqing Gao
- College of Pharmaceutical Sciences , Zhejiang University , Hangzhou 310058 , China
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine , Zhejiang University , Hangzhou 310058 , China
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Kim YK, Kim SY, Lee SH, Lee MH, Lee KB. Stabilized Loading of Hyaluronic Acid-Containing Hydrogels into Magnesium-Based Cannulated Screws. ACS Biomater Sci Eng 2019; 6:715-726. [PMID: 33463217 DOI: 10.1021/acsbiomaterials.9b01057] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Cannulated screws have a structure for inserting a guide wire inside them to effectively correct complicated fractures. Magnesium, an absorbable metal used to manufacture cannulated screws, may decompose in the body after a certain period of implantation. The hydrogel formed by hyaluronic acid (HA) and polygalacturonic acid (PGA) has been used into Mg-based cannulated screws to prevent bone resorption owing to the rapid corrosion of Mg with unfavorable mechanical properties and a high ambient pH. In addition, Ca ions were added to the gel for cross-linking the carboxyl groups to modify the gelation rate and physical properties of the gel. The developed hydrogels were injected into the Mg-based cannulated screws, after which they released HA and Ca. The possibility of the application of this system as a cannulated screw was evaluated based on the corrosion resistance, gel degradation rate, HA release, toxicity toward osteocytes, and experiments involving the implantation of the screws into the femurs of rats. Ca ions first bound to PGA and delayed the gelation time and dissolution rate. However, they interfered with HA binding and increased the elution of HA at the beginning of gel degradation. Ca(NO3)2 concentrations higher than 0.01 M and low pH environments inhibited osteoblast differentiation and proliferation, owing to the elution of HA from the hydrogel. On the other hand, when the HA hydrogel with a proper amount of Ca was inserted into a magnesium screw, the degradation of Mg was delayed, and the presence of the gel contributed to new bone formation and osteocyte expansion.
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Affiliation(s)
- Yu-Kyoung Kim
- Department of Dental Biomaterials and Institute of Biodegradable Materials, Institute of Oral Bioscience and School of Dentistry (Plus BK21 Program), Chonbuk National University, Jeon Ju 561-756, South Korea
| | - Seo-Young Kim
- Department of Dental Biomaterials and Institute of Biodegradable Materials, Institute of Oral Bioscience and School of Dentistry (Plus BK21 Program), Chonbuk National University, Jeon Ju 561-756, South Korea
| | - Se Hwan Lee
- Department of Orthopedic Surgery, Research Institute of Clinical Medicine of Chonbuk National University-Biomedical Research Institute of Chonbuk National University Hospital, Chonbuk National University Medical School, Jeon Ju 561-756, South Korea
| | - Min-Ho Lee
- Department of Dental Biomaterials and Institute of Biodegradable Materials, Institute of Oral Bioscience and School of Dentistry (Plus BK21 Program), Chonbuk National University, Jeon Ju 561-756, South Korea
| | - Kwang-Bok Lee
- Department of Orthopedic Surgery, Research Institute of Clinical Medicine of Chonbuk National University-Biomedical Research Institute of Chonbuk National University Hospital, Chonbuk National University Medical School, Jeon Ju 561-756, South Korea
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Wang X, Xu P, Yao Z, Fang Q, Feng L, Guo R, Cheng B. Preparation of Antimicrobial Hyaluronic Acid/Quaternized Chitosan Hydrogels for the Promotion of Seawater-Immersion Wound Healing. Front Bioeng Biotechnol 2019; 7:360. [PMID: 31921796 PMCID: PMC6914676 DOI: 10.3389/fbioe.2019.00360] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 11/12/2019] [Indexed: 02/02/2023] Open
Abstract
Wound immersion in seawater with high salt, high sodium, and a high abundance of pathogenic bacteria, especially gram-negative bacteria, can cause serious infections and difficulties in wound repair. The present study aimed to prepare a composite hydrogel composed of hyaluronic acid (HA) and quaternized chitosan (QCS) that may promote wound healing of seawater-immersed wounds and prevent bacterial infection. Based on dynamic Schiff base linkage, hydrogel was prepared by mixing oxidized hyaluronic acid (OHA) and hyaluronic acid-hydrazide (HA-ADH) under physiological conditions. With the addition of quaternized chitosan, oxidized hyaluronic acid/hyaluronic acid-hydrazide/quaternized chitosan (OHA/HA-ADH/O-HACC and OHA/HA-ADH/N-HACC) composite hydrogels with good swelling properties and mechanical properties, appropriate water vapor transmission rates (WVTR), and excellent stability were prepared. The biocompatibility of the hydrogels was demonstrated by in vitro fibroblast L929 cell culture study. The results of in vitro and in vivo studies revealed that the prepared antibacterial hydrogels could largely inhibit bacterial growth. The in vivo study further demonstrated that the antibacterial hydrogels exhibited high repair efficiencies in a seawater-immersed wound defect model. In addition, the antibacterial hydrogels decreased pro-inflammatory factors (TNF-α, IL-1β, and IL-6) but enhanced anti-inflammatory factors (TGF-β1) in wound. This work indicates that the prepared antibacterial composite hydrogels have great potential in chronic wound healing applications, such as severe wound cure and treatment of open trauma infections.
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Affiliation(s)
- Xinlu Wang
- The First Clinical Hospital of Guangzhou Medical University, Guangzhou, China
- Department of Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou, China
| | - Pengcheng Xu
- Department of Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou, China
| | - Zexin Yao
- Department of Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou, China
- Department of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Qi Fang
- The First Clinical Hospital of Guangzhou Medical University, Guangzhou, China
| | - Longbao Feng
- Beogene Biotech (Guangzhou) Co., Ltd., Guangzhou, China
| | - Rui Guo
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Guangdong Provincial Engineering and Technological Research Center for Drug Carrier Development, Jinan University, Guangzhou, China
| | - Biao Cheng
- Department of Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou, China
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24
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Structural changes and crosslinking modulated functional properties of oxi-HA/ADH hydrogels useful for regenerative purposes. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.109288] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Zhao C, Liu A, Santamaria CM, Shomorony A, Ji T, Wei T, Gordon A, Elofsson H, Mehta M, Yang R, Kohane DS. Polymer-tetrodotoxin conjugates to induce prolonged duration local anesthesia with minimal toxicity. Nat Commun 2019; 10:2566. [PMID: 31189915 PMCID: PMC6561913 DOI: 10.1038/s41467-019-10296-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 05/01/2019] [Indexed: 01/09/2023] Open
Abstract
There is clinical and scientific interest in developing local anesthetics with prolonged durations of effect from single injections. The need for such is highlighted by the current opioid epidemic. Site 1 sodium channel blockers such as tetrodotoxin (TTX) are extremely potent, and can provide very long nerve blocks but the duration is limited by the associated systemic toxicity. Here we report a system where slow release of TTX conjugated to a biocompatible and biodegradable polymer, poly(triol dicarboxylic acid)-co-poly(ethylene glycol) (TDP), is achieved by hydrolysis of ester linkages. Nerve block by the released TTX is enhanced by administration in a carrier with chemical permeation enhancer (CPE) properties. TTX release can be adjusted by tuning the hydrophilicity of the TDP polymer backbone. In vivo, 1.0–80.0 µg of TTX released from these polymers produced a range of durations of nerve block, from several hours to 3 days, with minimal systemic or local toxicity. There is interest in developing long-lasting local anaesthetics for a range of applications. Here, the authors report on the application of tetrodotoxin conjugated to amphiphilic biodegradable polymer to reduce systemic toxicity, achieve sustained release and investigate application as a local anaesthetic.
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Affiliation(s)
- Chao Zhao
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Andong Liu
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Claudia M Santamaria
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Andre Shomorony
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Tianjiao Ji
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Tuo Wei
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Akiva Gordon
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Hannes Elofsson
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Manisha Mehta
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Rong Yang
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Daniel S Kohane
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA.
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Davis MS, Marrero-Berrios I, Perez I, Rabolli CP, Radhakrishnan P, Manchikalapati D, Schianodicola J, Kamath H, Schloss RS, Yarmush J. Alginate encapsulation for bupivacaine delivery and mesenchymal stromal cell immunomodulatory cotherapy. J Inflamm Res 2019; 12:87-97. [PMID: 30881083 PMCID: PMC6419600 DOI: 10.2147/jir.s192749] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
PURPOSE Mesenchymal stromal cells (MSCs) are used to treat various inflammatory conditions. In parallel, to mitigate pain associated with inflammation, analgesics or opioids are prescribed, often with significant side effects. Local anesthetics (LAs) offer a promising alternative to these medications. However, their short duration and negative effects on anti-inflammatory MSCs have limited their therapeutic effectiveness. To mitigate these negative effects and to move toward developing a cotherapy, we engineered a sustained release bupivacaine alginate-liposomal construct that enables up to 4 days of LA release. By encapsulating MSC in alginate (eMSC), we demonstrate that we can further increase drug concentration to clinically relevant levels, without compromising eMSC viability or anti-inflammatory function. MATERIALS AND METHODS MSCs were freely cultured or encapsulated in alginate microspheres ± TNFα/IFN-γ and were left untreated or dosed with bolus, liposomal, or construct bupivacaine. After 24, 48, and 96 hours, the profiles were assessed to quantify secretory function associated with LA-MSC interactions. To approximate LA exposure over time, a MATLAB model was generated. RESULTS eMSCs secrete similar levels of IL-6 and prostaglandin E2 (PGE2) regardless of LA modality, whereas free MSCs secrete larger amounts of IL-6 and lower amounts of anti-inflammatory PGE2. Modeling the system indicated that higher doses of LA can be used in conjunction with eMSC while retaining eMSC viability and function. In general, eMSC treated with higher doses of LA secreted similar or higher levels of immunomodulatory cytokines. CONCLUSION eMSCs, but not free MSC, are protected from LA, regardless of LA modality. Increasing the LA concentration may promote longer and stronger pain mitigation while the protected eMSCs secrete similar, if not higher, immunomodulatory cytokine levels. Therefore, we have developed an approach, using eMSC and the LA construct that can potentially be used to reduce pain as well as improve MSC anti-inflammatory function.
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Affiliation(s)
- Mollie S Davis
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA,
| | | | - Isabel Perez
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA,
| | - Charles P Rabolli
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA,
| | | | | | | | | | - Rene S Schloss
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA,
| | - Joel Yarmush
- Department of Anesthesiology, New York Methodist Hospital, Brooklyn, NY, USA
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Dual-degradable and injectable hyaluronic acid hydrogel mimicking extracellular matrix for 3D culture of breast cancer MCF-7 cells. Carbohydr Polym 2019; 211:336-348. [PMID: 30824098 DOI: 10.1016/j.carbpol.2019.01.115] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 01/30/2019] [Accepted: 01/31/2019] [Indexed: 12/17/2022]
Abstract
In tumor biology, it is widely recognized that 3D rather than 2D cell culture can recapitulate key features of solid tumors, including cell-extracellular matrix (ECM) interactions. In this study, to mimick the ECM of breast cancer, hyaluronic acid (HA) hydrogels were synthesized from two polyvalent HA derivatives through a hydrazone and photo dual crosslinking process. HA hydrogels could be formed within 120 s. The hydrogels had similar topography and mechanical properties to breast tumor and displayed glutathione and hyaluronidase dual-responsive degradation behavior. Biological studies demonstrated that HA hydrogel could support the proliferation and clustering of breast cancer MCF-7 cells. The expression levels of VEGF, IL-8 and bFGF in hydrogel-cultured cells were significantly greater than those in 2D culture. Moreover, cells from hydrogel culture exhibited greater migration/invasion abilities and tumorigenicity than 2D-cultured cells. Therefore, the HA hydrogels are a promising ECM-mimicking matrix for in vitro construction of breast cancer.
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Tiwari S, Bahadur P. Modified hyaluronic acid based materials for biomedical applications. Int J Biol Macromol 2019; 121:556-571. [DOI: 10.1016/j.ijbiomac.2018.10.049] [Citation(s) in RCA: 125] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/02/2018] [Accepted: 10/11/2018] [Indexed: 12/22/2022]
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Botha C, Kuntz JF, Moire C, Farcet C, Pfukwa H, Pasch H. Molar Mass Analysis of Hydrophobically Modified Hyaluronic Acid by SEC-MALLS: Facing the Challenges of Amphiphilic Biomacromolecules. MACROMOL CHEM PHYS 2018. [DOI: 10.1002/macp.201800233] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Carlo Botha
- Department of Chemistry and Polymer Science; Stellenbosch University; Private Bag X1 Matieland 7602 South Africa
| | | | - Claudine Moire
- L’Oréal Research and Innovation; Aulnay-Sous-Bois 93600 France
| | - Céline Farcet
- L’Oréal Research and Innovation; Aulnay-Sous-Bois 93600 France
| | - Helen Pfukwa
- Department of Chemistry and Polymer Science; Stellenbosch University; Private Bag X1 Matieland 7602 South Africa
| | - Harald Pasch
- Department of Chemistry and Polymer Science; Stellenbosch University; Private Bag X1 Matieland 7602 South Africa
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Involvement of superoxide generated by NADPH oxidase in the shedding of procoagulant vesicles from human monocytic cells exposed to bupivacaine. J Thromb Thrombolysis 2018; 44:341-354. [PMID: 28819812 DOI: 10.1007/s11239-017-1531-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
It is known that a variety of sized procoagulant vesicles that express tissue factor are released from several types of cells including monocytes by mechanisms related to the induction of apoptosis, while it has not yet been evaluated whether superoxide is involved in the production of such vesicles. Here, we report that a local anesthetic bupivacaine induces apoptosis in human monocytic cells THP-1 within a short observation period, where the shedding of procoagulant vesicles is associated. The property as procoagulant vesicles was evaluated using flow cytometry by the binding of FITC-conjugated fibrinogen to vesicles in the presence of fresh frozen plasma and the suppression of this binding by heparin. Bupivacaine (1 mg/ml) increased the apoptotic cells and procoagulant vesicles. LY294002 (100 µM), that inhibits the recruiting of intracellular component of NADPH oxidase to construct the activated form of this enzyme complex, or superoxide dismutase (1500 unit/ml) suppressed bupivacaine-provoked induction of apoptosis and the increase of procoagulant vesicles. We suggest that this simple experimental system is useful to explore the molecular mechanisms of action of superoxide in the shedding of procoagulant vesicles from human monocytic cells.
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Separation of hydrophobically modified hyaluronic acid according to the degree of substitution by gradient elution high performance liquid chromatography. Anal Bioanal Chem 2018; 410:4259-4273. [DOI: 10.1007/s00216-018-1123-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 04/25/2018] [Accepted: 05/01/2018] [Indexed: 12/14/2022]
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Hao Y, Fowler EW, Jia X. Chemical Synthesis of Biomimetic Hydrogels for Tissue Engineering. POLYM INT 2017; 66:1787-1799. [PMID: 31080322 PMCID: PMC6510501 DOI: 10.1002/pi.5407] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Owing to the high water content, porous structure, biocompatibility and tissue-like viscoelasticity, hydrogels have become attractive and promising biomaterials for use in drug delivery, 3D cell culture and tissue engineering applications. Various chemical approaches have been developed for hydrogel synthesis using monomers or polymers carrying reactive functional groups. For in vivo tissue repair and in vitro cell culture purposes, it is desirable that the crosslinking reactions occur under mild conditions, do not interfere with biological processes and proceed at high yield with exceptional selectivity. Additionally, the cross-linking reaction should allow straightforward incorporation of bioactive motifs or signaling molecules, at the same time, providing tunability of the hydrogel microstructure, mechanical properties, and degradation rates. In this review, we discuss various chemical approaches applied to the synthesis of complex hydrogel networks, highlighting recent developments from our group. The discovery of new chemistries and novel materials fabrication methods will lead to the development of the next generation biomimetic hydrogels with complex structures and diverse functionalities. These materials will likely facilitate the construction of engineered tissue models that may bridge the gap between 2D experiments and animal studies, providing preliminary insight prior to in vivo assessments.
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Affiliation(s)
- Ying Hao
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
| | - Eric W. Fowler
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
| | - Xinqiao Jia
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
- Department of Biomedical Engineering, University of Delaware, Newark, DE 19716, USA
- Delaware Biotechnology Institute, University of Delaware, Newark, DE 19711, USA
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Cho M, Han S, Kim H, Kim KS, Hahn SK. Hyaluronate - parathyroid hormone peptide conjugate for transdermal treatment of osteoporosis. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2017; 29:793-804. [PMID: 29115187 DOI: 10.1080/09205063.2017.1399001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Human parathyroid hormone 1-34 fragment (PTH1-34) has been used as a FDA-approved therapeutics to treat osteoporosis by daily subcutaneous injection. In this work, we successfully developed PTH1-34 conjugated hyaluronic acid (HA) for the transdermal treatment of osteoporosis with improved patient compliance. HA-PTH1-34 conjugate was synthesized by the coupling reaction between aldehyde group introduced to HA and amine group of PTH1-34. After characterization by gel permeation chromatography (GPC) and ELISA, the biological effect of HA-PTH1-34 conjugate on the proliferation of human osteoblast cells was confirmed by in vitro calcium colorimetric assay and cAMP assay. Two-photon microscopy clearly visualized the effective skin penetration of FITC modified HA-PTH1-34 conjugate. The transdermally delivered HA-PTH1-34 conjugates elevated the blood calcium concentration for more than 2 days, reflecting the feasibility for the treatment of osteoporosis.
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Affiliation(s)
- Minsoo Cho
- a Department of Materials Science and Engineering , Pohang University of Science and Technology , Pohang , Korea
| | - Seulgi Han
- a Department of Materials Science and Engineering , Pohang University of Science and Technology , Pohang , Korea
| | | | - Ki Su Kim
- b PHI BIOMED Co. , Seoul , Korea.,c Department of Organic Materials Science and Engineering, College of Engineering , Pusan National University , Busan , Korea
| | - Sei Kwang Hahn
- a Department of Materials Science and Engineering , Pohang University of Science and Technology , Pohang , Korea.,b PHI BIOMED Co. , Seoul , Korea
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Jang YJ, Lee JH, Seo TB, Oh SH. Lidocaine/multivalent ion complex as a potential strategy for prolonged local anesthesia. Eur J Pharm Biopharm 2017; 115:113-121. [DOI: 10.1016/j.ejpb.2017.02.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Revised: 01/31/2017] [Accepted: 02/13/2017] [Indexed: 01/17/2023]
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Feng Q, Lin S, Zhang K, Dong C, Wu T, Huang H, Yan X, Zhang L, Li G, Bian L. Sulfated hyaluronic acid hydrogels with retarded degradation and enhanced growth factor retention promote hMSC chondrogenesis and articular cartilage integrity with reduced hypertrophy. Acta Biomater 2017; 53:329-342. [PMID: 28193542 DOI: 10.1016/j.actbio.2017.02.015] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 01/20/2017] [Accepted: 02/08/2017] [Indexed: 12/22/2022]
Abstract
Recently, hyaluronic acid (HA) hydrogels have been extensively researched for delivering cells and drugs to repair damaged tissues, particularly articular cartilage. However, the in vivo degradation of HA is fast, thus limiting the clinical translation of HA hydrogels. Furthermore, HA cannot bind proteins with high affinity because of the lack of negatively charged sulfate groups. In this study, we conjugated tunable amount of sulfate groups to HA. The sulfated HA exhibits significantly slower degradation by hyaluronidase compared to the wild type HA. We hypothesize that the sulfation reduces the available HA octasaccharide substrate needed for the effective catalytic action of hyaluronidase. Moreover, the sulfated HA hydrogels significantly improve the protein sequestration, thereby effectively extending the availability of the proteinaceous drugs in the hydrogels. In the following in vitro study, we demonstrate that the HA hydrogel sulfation exerts no negative effect on the viability of encapsulated human mesenchymal stem cells (hMSCs). Furthermore, the sulfated HA hydrogels promote the chondrogenesis and suppresses the hypertrophy of encapsulated hMSCs both in vitro and in vivo. Moreover, intra-articular injections of the sulfated HA hydrogels avert the cartilage abrasion and hypertrophy in the animal osteoarthritic joints. Collectively, our findings demonstrate that the sulfated HA is a promising biomaterial for the delivery of therapeutic agents to aid the regeneration of injured or diseased tissues and organs. STATEMENT OF SIGNIFICANCE In this paper, we conjugated sulfate groups to hyaluronic acid (HA) and demonstrated the slow degradation and growth factor delivery of sulfated HA. Furthermore, the in vitro and in vivo culture of hMSCs laden HA hydrogels proved that the sulfation of HA hydrogels not only promotes the chondrogenesis of hMSCs but also suppresses hypertrophic differentiation of the chondrogenically induced hMSCs. The animal OA model study showed that the injected sulfated HA hydrogels significantly reduced the cartilage abrasion and hypertrophy in the animal OA joints. We believe that this study will provide important insights into the design and optimization of the HA-based hydrogels as the scaffold materials for cartilage regeneration and OA treatment in clinical setting.
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Affiliation(s)
- Qian Feng
- Division of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong; Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong
| | - Sien Lin
- Division of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong; Department of Orthopaedic and Traumatology, The Chinese University of Hong Kong, Prince of Wales Hospital, New Territories, 999077, Hong Kong
| | - Kunyu Zhang
- Division of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong; Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong
| | - Chaoqun Dong
- Division of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong; Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong
| | - Tianyi Wu
- Division of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong; Department of Orthopaedic and Traumatology, The Chinese University of Hong Kong, Prince of Wales Hospital, New Territories, 999077, Hong Kong
| | - Heqin Huang
- Division of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong; Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong
| | - Xiaohui Yan
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong
| | - Li Zhang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong
| | - Gang Li
- Department of Orthopaedic and Traumatology, The Chinese University of Hong Kong, Prince of Wales Hospital, New Territories, 999077, Hong Kong
| | - Liming Bian
- Division of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong; Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong; Shun Hing Institute of Advanced Engineering, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong; Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong; China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, PR China; Centre for Novel Biomaterials, The Chinese University of Hong Kong, Shatin, New Territories, 999077, Hong Kong.
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Fu C, Yang RM, Wang L, Li NN, Qi M, Xu XD, Wei XH, Jiang XQ, Zhang LM. Surface functionalization of superparamagnetic nanoparticles by an acid-liable polysaccharide-based prodrug for combinatorial monitoring and chemotherapy of hepatocellular carcinoma. RSC Adv 2017. [DOI: 10.1039/c7ra05042a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
For combinatorial monitoring and chemotherapy of liver carcinoma, the macromolecular prodrug based on hyaluronic acid and doxorubicin hydrochloride was prepared by an acid-labile linkage and conjugated with amine-modified iron oxide nanoparticles.
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Affiliation(s)
- Chaoping Fu
- PCFM Lab
- GDHPPC Lab
- School of Materials Science and Engineering
- Sun Yat-Sen University
- Guangzhou 510275
| | - Rui-Meng Yang
- Department of Radiology
- Guangzhou First People's Hospital
- Guangzhou Medical University
- Guangzhou
- China
| | - Li Wang
- Department of Radiology
- Guangzhou First People's Hospital
- Guangzhou Medical University
- Guangzhou
- China
| | - Nan-nan Li
- PCFM Lab
- GDHPPC Lab
- School of Materials Science and Engineering
- Sun Yat-Sen University
- Guangzhou 510275
| | - Meng Qi
- Department of Radiology
- Guangzhou First People's Hospital
- Guangzhou Medical University
- Guangzhou
- China
| | - Xiang-dong Xu
- Department of Radiology
- Guangzhou First People's Hospital
- Guangzhou Medical University
- Guangzhou
- China
| | - Xin-hua Wei
- Department of Radiology
- Guangzhou First People's Hospital
- Guangzhou Medical University
- Guangzhou
- China
| | - Xin-Qing Jiang
- Department of Radiology
- Guangzhou First People's Hospital
- Guangzhou Medical University
- Guangzhou
- China
| | - Li-Ming Zhang
- PCFM Lab
- GDHPPC Lab
- School of Materials Science and Engineering
- Sun Yat-Sen University
- Guangzhou 510275
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Santamaria CM, Woodruff A, Yang R, Kohane DS. Drug delivery systems for prolonged duration local anesthesia. MATERIALS TODAY (KIDLINGTON, ENGLAND) 2017; 20:22-31. [PMID: 28970739 PMCID: PMC5621744 DOI: 10.1016/j.mattod.2016.11.019] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Numerous drug delivery systems have been applied to the problem of providing prolonged duration local anesthesia (PDLA). Here we review the rationale for PDLA, the desirable features for and important attributes of such systems, and specific examples that have been developed.
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Affiliation(s)
- Claudia M Santamaria
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Department of Anesthesiology, Boston Children's Hospital, Boston, Massachusetts, United States
| | - Alan Woodruff
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Department of Anesthesiology, Boston Children's Hospital, Boston, Massachusetts, United States
| | - Rong Yang
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Department of Anesthesiology, Boston Children's Hospital, Boston, Massachusetts, United States
| | - Daniel S Kohane
- Laboratory for Biomaterials and Drug Delivery, Division of Critical Care Medicine, Department of Anesthesiology, Boston Children's Hospital, Boston, Massachusetts, United States
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Silva DM, Caseiro AR, Amorim I, Pereira I, Faria F, Pereira T, Santos JD, Gama FM, Maurício AC. Inflammatory response to dextrin-based hydrogel associated with human mesenchymal stem cells, urinary bladder matrix and Bonelike ® granules in rat subcutaneous implants. ACTA ACUST UNITED AC 2016; 11:065004. [PMID: 27786165 DOI: 10.1088/1748-6041/11/6/065004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Increasing relevance has been attributed to hydrogels due to their ability to provide an extracellular matrix (ECM)-like environment for cellular adhesion and proliferation, acting as mechanical scaffolds for tissue remodeling or as delivery matrices. In vivo biocompatibility of a hybrid dextrin hydrogel produced from oxidized dextrin and adipic acid dihydrazide and its combinations with human mesenchymal stem cells (hMSCs), ECM from a porcine bladder (urinary bladder matrix) and ceramic granules (Bonelike®), was evaluated following ISO 10993 after subcutaneous implantation in a rat model. Histological analysis after 3 and 15 d showed typical acute and chronic inflammatory responses, respectively, with a more severe reaction exhibited whenever the ceramic granules were present. However, the dextrin hydrogel was able to stabilize granules in the implant site. Dextrin hydrogel was scored as slight irritant after 3 d, similar to its combination with UBM, and as non-irritant after 15 d. The presence of viable hMSCs in the subcutaneous tissue could be confirmed by the presence of anti-human nuclei antibody (HuNu+) cells. The production of growth factors and inflammatory and immunomodulatory cytokines by these cells was also quantified in peripheral blood confirming the successful encapsulation of hMSCs into the hydrogel matrix for cell survival promotion. The presence of hMSCs seemed to modulate the inflammatory response by accelerating its progression when compared to the acellular experimental groups. Dextrin hydrogel has proven to be a biocompatible multifunctional matrix for minimally invasive biomedical procedures, including orthopedic surgeries when associated with bone substitutes and also as a possible encapsulation matrix for cell-based therapies.
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Affiliation(s)
- Dina M Silva
- CEB-Centre of Biological Engineering, Universidade do Minho (UM), Campus de Gualtar, 4710-057 Braga, Portugal. Author to whom all correspondence should be addressed
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Khachatryan G, Khachatryan K, Grzyb J, Fiedorowicz M. Formation and properties of hyaluronan/nano Ag and hyaluronan-lecithin/nano Ag films. Carbohydr Polym 2016; 151:452-457. [DOI: 10.1016/j.carbpol.2016.05.104] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Revised: 05/27/2016] [Accepted: 05/28/2016] [Indexed: 12/20/2022]
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40
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Yang R, Sabharwal V, Okonkwo OS, Shlykova N, Tong R, Lin LY, Wang W, Guo S, Rosowski JJ, Pelton SI, Kohane DS. Treatment of otitis media by transtympanic delivery of antibiotics. Sci Transl Med 2016; 8:356ra120. [PMID: 27629487 PMCID: PMC5615819 DOI: 10.1126/scitranslmed.aaf4363] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 07/28/2016] [Indexed: 01/08/2023]
Abstract
Otitis media is the most common reason U.S. children receive antibiotics. The requisite 7- to 10-day course of oral antibiotics can be challenging to deliver in children, entails potential systemic toxicity, and encourages selection of antimicrobial-resistant bacteria. We developed a drug delivery system that, when applied once to the tympanic membrane through the external auditory canal, delivers an entire course of antimicrobial therapy to the middle ear. A pentablock copolymer poloxamer 407-polybutylphosphoester (P407-PBP) was designed to flow easily during application and then to form a mechanically strong hydrogel on the tympanic membrane. U.S. Food and Drug Administration-approved chemical permeation enhancers within the hydrogel assisted flux of the antibiotic ciprofloxacin across the membrane. This drug delivery system completely eradicated otitis media from nontypable Haemophilus influenzae (NTHi) in 10 of 10 chinchillas, whereas only 62.5% of animals receiving 1% ciprofloxacin alone had cleared the infection by day 7. The hydrogel system was biocompatible in the ear, and ciprofloxacin was undetectable systemically (in blood), confirming local drug delivery and activity. This fast-gelling hydrogel could improve compliance, minimize side effects, and prevent systemic distribution of antibiotics in one of the most common pediatric illnesses, possibly minimizing the development of antibiotic resistance.
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Affiliation(s)
- Rong Yang
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Vishakha Sabharwal
- Division of Pediatric Infectious Diseases, Maxwell Finland Laboratory for Infectious Diseases, Boston Medical Center, Boston, MA 02118, USA
| | - Obiajulu S Okonkwo
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Nadya Shlykova
- Division of Pediatric Infectious Diseases, Maxwell Finland Laboratory for Infectious Diseases, Boston Medical Center, Boston, MA 02118, USA
| | - Rong Tong
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Lily Yun Lin
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Weiping Wang
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Shutao Guo
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - John J Rosowski
- Department of Otology and Laryngology, Eaton-Peabody Laboratories, Massachusetts Eye and Ear Infirmary, Boston, MA 02114, USA
| | - Stephen I Pelton
- Division of Pediatric Infectious Diseases, Maxwell Finland Laboratory for Infectious Diseases, Boston Medical Center, Boston, MA 02118, USA
| | - Daniel S Kohane
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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Sulfamethazine-based pH-sensitive hydrogels with potential application for transcatheter arterial chemoembolization therapy. Acta Biomater 2016; 41:253-63. [PMID: 27184404 DOI: 10.1016/j.actbio.2016.05.018] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 05/10/2016] [Accepted: 05/11/2016] [Indexed: 02/07/2023]
Abstract
UNLABELLED Transcatheter arterial chemoembolization (TACE) is the most common palliative therapy for unresectable hepatocellular carcinoma (HCC). The conventional TACE technique, which employs the Lipiodol® emulsion, has been widely used for human cancer treatments. However, this delivery system seems to be inconsistent and unstable in maintaining a high concentration of drugs at tumor sites. An alternative approach for TACE is loading drugs into a liquid embolic solution that exists as an injectable solution and can exhibit a sol-to-gel phase transition to form a solidified state once delivered to the tumor site. Here, we develop a novel sulfamethazine-based anionic pH-sensitive block copolymer with potential application as a radiopaque embolic material. The copolymer, named PCL-PEG-SM, and comprised of poly(ε-caprolactone), sulfamethazine, and poly(ethylene glycol), was fabricated by free radical polymerization. An aqueous solution of the developed copolymer underwent a sol-to-gel phase transition upon lowering the environmental pH to create a gel region that covered the physiological condition (pH 7.4, 37°C) and the low pH conditions at tumor sites (pH 6.5-7.0, 37°C). The release of doxorubicin (DOX) from DOX-loaded copolymer hydrogels could be sustained for more than 4weeks in vitro, and the released DOX retained its fully bioactivity via inhibition the proliferation of hepatic cancer cells. The radiopaque embolic formulations that were prepared by mixing copolymer solutions at pH 8.0 with Lipiodol®, a long-lasting X-ray contrast agent, could exhibit the gelation inside the tumor after intratumoral injection or intraarterial administration using a VX2 carcinoma hepatic tumor rabbit model. These results suggest that a novel anionic pH-sensitive copolymer has been developed with a potential application as a liquid radiopaque embolic solution for TACE of HCC. STATE OF SIGNIFICANCE Transcatheter arterial chemoembolization (TACE) has been widely used as a palliative treatment therapy for unresectable hepatocellular carcinoma (HCC). Conventional TACE technique, which usually employs emulsion of DOX-in-Lipiodol®, followed by an embolic agent, has significant limitation of inconsistency and lack of controlled release ability. To address these limitations of conventional TACE material system, we introduced a novel liquid radiopaque embolic material from our pH-sensitive hydrogel. The material has low viscosity that can be injected via a microcatheter, rather biocompatibility, and drug controlled release ability. Importantly, it can form gel in the tumor as well as tumoral vasculature in response to the lowered pH at the tumor site, which proved the potential for the use to treat HCC by TACE therapy.
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Heris HK, Daoud J, Sheibani S, Vali H, Tabrizian M, Mongeau L. Investigation of the Viability, Adhesion, and Migration of Human Fibroblasts in a Hyaluronic Acid/Gelatin Microgel-Reinforced Composite Hydrogel for Vocal Fold Tissue Regeneration. Adv Healthc Mater 2016; 5:255-65. [PMID: 26501384 PMCID: PMC4885111 DOI: 10.1002/adhm.201500370] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Revised: 08/28/2015] [Indexed: 12/13/2022]
Abstract
The potential use of a novel scaffold biomaterial consisting of cross-linked hyaluronic acid (HA)-gelatin (Ge) composite microgels is investigated for use in treating vocal fold injury and scarring. Cell adhesion integrins and kinematics of cell motion are investigated in 2D and 3D culture conditions, respectively. Human vocal fold fibroblast (hVFF) cells are seeded on HA-Ge microgels attached to a HA hydrogel thin film. The results show that hVFF cells establish effective adhesion to HA-Ge microgels through the ubiquitous expression of β1 integrin in the cell membrane. The microgels are then encapsulated in a 3D HA hydrogel for the study of cell migration. The cells within the HA-Ge microgel-reinforced composite hydrogel (MRCH) scaffold have an average motility speed of 0.24 ± 0.08 μm min(-1) . The recorded microscopic images reveal features that are presumably associated with lobopodial and lamellipodial cell migration modes within the MRCH scaffold. Average cell speed during lobopodial migration is greater than that during lamellipodial migration. The cells move faster in the MRCH than in the HA-Ge gel without microgels. These findings support the hypothesis that HA-Ge MRCH promotes cell adhesion and migration; thereby they constitute a promising biomaterial for vocal fold repair.
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Affiliation(s)
- Hossein K. Heris
- Department of Mechanical Engineering, Faculty of Engineering, McGill University, Montreal (QC)
| | - Jamal Daoud
- Department of Biomedical Engineering, Faculty of Medicine, McGill University, Montreal (QC)
| | - Sara Sheibani
- Biological Threat Defence Section, Defence R&D Canada-Suffield, Medicine Hat, (AB)
| | | | - Maryam Tabrizian
- Department of Biomedical Engineering, Faculty of Medicine, McGill University, Montreal (QC)
- Faculty of Dentistry, McGill University, Montreal (QC)
| | - Luc Mongeau
- Department of Mechanical Engineering, Faculty of Engineering, McGill University, Montreal (QC)
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43
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Yan S, Zhang X, Zhang K, Di H, Feng L, Li G, Fang J, Cui L, Chen X, Yin J. Injectable in situ forming poly(l-glutamic acid) hydrogels for cartilage tissue engineering. J Mater Chem B 2016; 4:947-961. [PMID: 32263168 DOI: 10.1039/c5tb01488c] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Injectable, in situ forming hydrogels have exhibited many advantages in regenerative medicine. Herein, we present the novel design of poly(l-glutamic acid) injectable hydrogels via the self-crosslinking of adipic dihydrazide (ADH)-modified poly(l-glutamic acid) (PLGA-ADH) and aldehyde-modified poly(l-glutamic acid) (PLGA-CHO), and investigate their potential in cartilage tissue engineering. Both the hydrazide modification degree of PLGA-ADH and oxidation degree of PLGA-CHO can be adjusted by the amount of activators and sodium periodate, respectively. Experiments reveal that the solid content of the hydrogels, -NH2/-CHO molar ratio, and oxidation degree of PLGA-CHO have a great effect on the gelation time, equilibrium swelling, mechanical properties, microscopic morphology, and in vitro degradation of the hydrogels. Encapsulation of rabbit chondrocytes within the hydrogels showed viability of the entrapped cells and cytocompatibility of the injectable hydrogels. A preliminary study exhibits injectability and rapid in vivo gel formation, as well as mechanical stability, cell ingrowth, and ectopic cartilage formation. These results suggest that the PLGA hydrogel has potential as an injectable cell delivery carrier for cartilage regeneration and could serve as a new biomaterial for tissue engineering.
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Affiliation(s)
- Shifeng Yan
- Department of Polymer Materials, Shanghai University, 333 Nanchen Road, Shanghai 200444, People's Republic of China.
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Nguyen QV, Huynh DP, Park JH, Lee DS. Injectable polymeric hydrogels for the delivery of therapeutic agents: A review. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2015.03.016] [Citation(s) in RCA: 105] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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45
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Menegatti S, Ruocco N, Kumar S, Zakrewsky M, Sanchez De Oliveira J, Helgeson ME, Leal GL, Mitragotri S. Synthesis and characterization of a self-fluorescent hyaluronic acid-based gel for dermal applications. Adv Healthc Mater 2015; 4:2297-305. [PMID: 26371956 DOI: 10.1002/adhm.201500619] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Indexed: 01/17/2023]
Abstract
Combinations of polymer conjugates affording in situ gelation hold promise for treatment of pathological cavities (e.g., arthritis) and sustained drug release. In particular, hyaluronic acid (HA) functionalized with reactive groups is regarded as an excellent biomaterial due to its tunable cross-linking kinetics and mechanical properties. HA-based reagents, however, can be irritating to surrounding tissues due to the reactivity of pendant groups, and their fast gelation kinetics can result in poor cavity filling. In this study, a biocompatible "click" reaction between cyanobenzothiazole (CBT) and d-cysteine (d-Cys) is employed to produce HA-based conjugates for in situ gelation. Rheological studies conducted on a gel obtained from the combination of HA-CBT and HA-d-Cys indicate optimal gelation time and mechanical properties. Further, in vitro studies on porcine skin demonstrate the ability of the gel to form in situ upon subcutaneous injection or topical application, and to act as a reservoir for sustained release of protein therapeutics. Finally, the safety of the HA-based conjugates is demonstrated on human keratinocytes. The presented results demonstrate the applicability of the binary mixture for in situ gelation and the potential of the proposed system for a variety of biomedical applications.
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Affiliation(s)
- Stefano Menegatti
- Department of Chemical Engineering; Center for Bioengineering; University of California; Santa Barbara CA 93106 USA
| | - Nino Ruocco
- Department of Chemical Engineering; Center for Bioengineering; University of California; Santa Barbara CA 93106 USA
| | - Sunny Kumar
- Department of Chemical Engineering; Center for Bioengineering; University of California; Santa Barbara CA 93106 USA
| | - Michael Zakrewsky
- Department of Chemical Engineering; Center for Bioengineering; University of California; Santa Barbara CA 93106 USA
| | - Joshua Sanchez De Oliveira
- Department of Chemical Engineering; Center for Bioengineering; University of California; Santa Barbara CA 93106 USA
| | - Matthew. E. Helgeson
- Department of Chemical Engineering; Center for Bioengineering; University of California; Santa Barbara CA 93106 USA
| | - Gary L. Leal
- Department of Chemical Engineering; Center for Bioengineering; University of California; Santa Barbara CA 93106 USA
| | - Samir Mitragotri
- Department of Chemical Engineering; Center for Bioengineering; University of California; Santa Barbara CA 93106 USA
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Montalvo-Javé EE, Mendoza-Barrera GE, García-Pineda MA, Jaime Limón ÁR, Montalvo-Arenas C, Castell Rodríguez AE, Tapia Jurado J. Histological Analysis of Intra-Abdominal Adhesions Treated with Sodium Hyaluronate and Carboxymethylcellulose Gel. J INVEST SURG 2015; 29:80-7. [DOI: 10.3109/08941939.2015.1076911] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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47
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Tummalapalli M, Gupta B. A UV-Vis Spectrophotometric Method for the Estimation of Aldehyde Groups in Periodate-Oxidized Polysaccharides Using2,4-Dinitrophenyl Hydrazine. J Carbohydr Chem 2015. [DOI: 10.1080/07328303.2015.1068793] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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48
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Henderson TM, Ladewig K, Haylock DN, McLean KM, O’Connor AJ. Formation and characterisation of a modifiable soft macro-porous hyaluronic acid cryogel platform. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2015; 26:881-97. [DOI: 10.1080/09205063.2015.1065597] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Abstract
Acute and chronic pain control is a significant clinical challenge that has been largely unmet. Local anesthetics are widely used for the control of post-operative pain and in the therapy of acute and chronic pain. While a variety of approaches are currently used to prolong the duration of action of local anesthetics, an optimal strategy to achieve neural blockage for several hours to days with minimal toxicity has yet to be identified. Several drug delivery systems such as liposomes, microparticles and nanoparticles have been investigated as local anesthetic delivery vehicles to achieve prolonged anesthesia. Recently, injectable responsive hydrogels raise significant interest for the localized delivery of anesthetic molecules. This paper discusses the potential of injectable hydrogels to prolong the action of local anesthetics.
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Lin CY, Peng HH, Chen MH, Sun JS, Liu TY, Chen MH. In situ forming hydrogel composed of hyaluronate and polygalacturonic acid for prevention of peridural fibrosis. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2015; 26:168. [PMID: 25791456 DOI: 10.1007/s10856-015-5478-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Accepted: 03/01/2015] [Indexed: 06/04/2023]
Abstract
Hyaluronic acid-based hydrogels can reduce postoperative adhesion. However, the long-term application of hyaluronic acid is limited by tissue mediated enzymatic degradation. To overcome this limitation, we developed a polygalacturonic acid and hyaluronate composite hydrogel by Schiff's base crosslinking reaction. The polygalacturonic acid and hyaluronate composite hydrogels had short gelation time (less than 15 s) and degraded by less than 50 % in the presence of hyaluronidase for 7 days. Cell adhesion and migration assays showed polygalacturonic acid and hyaluronate composite hydrogels prevented fibroblasts from adhesion and infiltration into the hydrogels. Compared to hyaluronate hydrogels and commercial Medishield™ gels, polygalacturonic acid and hyaluronate composite hydrogel was not totally degraded in vivo after 4 weeks. In the rat laminectomy model, polygalacturonic acid and hyaluronate composite hydrogel also had better adhesion grade and smaller mean area of fibrous tissue formation over the saline control and hyaluronate hydrogel groups. Polygalacturonic acid and hyaluronate composite hydrogel is a system that can be easy to use due to its in situ cross-linkable property and potentially promising for adhesion prevention in spine surgeries.
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Affiliation(s)
- Cheng-Yi Lin
- Department of Biomedical Engineering, National Yang-Ming University, No. 155, Sec. 2, Linong Street, Taipei, 112, Taiwan, ROC
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