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Carbajo-Gordillo AI, Benito E, Galbis E, Grosso R, Iglesias N, Valencia C, Lucas R, García-Martín MG, de-Paz MV. Simultaneous Formation of Polyhydroxyurethanes and Multicomponent Semi-IPN Hydrogels. Polymers (Basel) 2024; 16:880. [PMID: 38611138 PMCID: PMC11013152 DOI: 10.3390/polym16070880] [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: 02/21/2024] [Revised: 03/16/2024] [Accepted: 03/19/2024] [Indexed: 04/14/2024] Open
Abstract
This study introduces an efficient strategy for synthesizing polyhydroxyurethane-based multicomponent hydrogels with enhanced rheological properties. In a single-step process, 3D materials composed of Polymer 1 (PHU) and Polymer 2 (PVA or gelatin) were produced. Polymer 1, a crosslinked polyhydroxyurethane (PHU), grew within a colloidal solution of Polymer 2, forming an interconnected network. The synthesis of Polymer 1 utilized a Non-Isocyanate Polyurethane (NIPU) methodology based on the aminolysis of bis(cyclic carbonate) (bisCC) monomers derived from 1-thioglycerol and 1,2-dithioglycerol (monomers A and E, respectively). This method, applied for the first time in Semi-Interpenetrating Network (SIPN) formation, demonstrated exceptional orthogonality since the functional groups in Polymer 2 do not interfere with Polymer 1 formation. Optimizing PHU formation involved a 20-trial methodology, identifying influential variables such as polymer concentration, temperature, solvent (an aprotic and a protic solvent), and the organo-catalyst used [a thiourea derivative (TU) and 1,8-diazabicyclo [5.4.0]undec-7-ene (DBU)]. The highest molecular weights were achieved under near-bulk polymerization conditions using TU-protic and DBU-aprotic as catalyst-solvent combinations. Monomer E-based PHU exhibited higher Mw¯ than monomer A-based PHU (34.1 kDa and 16.4 kDa, respectively). Applying the enhanced methodology to prepare 10 multicomponent hydrogels using PVA or gelatin as the polymer scaffold revealed superior rheological properties in PVA-based hydrogels, exhibiting solid-like gel behavior. Incorporating monomer E enhanced mechanical properties and elasticity (with loss tangent values of 0.09 and 0.14). SEM images unveiled distinct microstructures, including a sponge-like pattern in certain PVA-based hydrogels when monomer A was chosen, indicating the formation of highly superporous interpenetrated materials. In summary, this innovative approach presents a versatile methodology for obtaining advanced hydrogel-based systems with potential applications in various biomedical fields.
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Affiliation(s)
- Ana I. Carbajo-Gordillo
- Dpto. Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain (R.L.); (M.-G.G.-M.)
| | - Elena Benito
- Dpto. Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain (R.L.); (M.-G.G.-M.)
| | - Elsa Galbis
- Dpto. Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain (R.L.); (M.-G.G.-M.)
| | - Roberto Grosso
- Dpto. Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain (R.L.); (M.-G.G.-M.)
| | - Nieves Iglesias
- Dpto. Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain (R.L.); (M.-G.G.-M.)
| | - Concepción Valencia
- Dpto. Ingeniería Química, Facultad de Ciencias Experimentales, Campus El Carmen, Universidad de Huelva, 21071 Huelva, Spain
- Pro2TecS—Chemical Process and Product Technology Research Center, Universidad de Huelva, 21071 Huelva, Spain
| | - Ricardo Lucas
- Dpto. Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain (R.L.); (M.-G.G.-M.)
| | - M.-Gracia García-Martín
- Dpto. Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain (R.L.); (M.-G.G.-M.)
| | - M.-Violante de-Paz
- Dpto. Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain (R.L.); (M.-G.G.-M.)
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Chen L, Jiang C, Xu Q, Jin J, A S, Wang X, Li X, Hu Y, Sun H, Lu X, Duan S, Gao Z, Wang W, Wang Y. Biphasic release of betamethasone from an injectable HA hydrogel implant for alleviating lumbar disc herniation induced sciatica. Acta Biomater 2024; 176:173-189. [PMID: 38244658 DOI: 10.1016/j.actbio.2024.01.016] [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: 06/08/2023] [Revised: 12/17/2023] [Accepted: 01/11/2024] [Indexed: 01/22/2024]
Abstract
Epidural steroid injection (ESI) is a common therapeutic approach for managing sciatica caused by lumbar disc herniation (LDH). However, the short duration of therapeutic efficacy and the need for repeated injections pose challenges in LDH treatment. The development of a controlled delivery system capable of prolonging the effectiveness of ESI and reducing the frequency of injections, is highly significant in LDH clinical practice. In this study, we utilized a thiol-ene click chemistry to create a series of injectable hyaluronic acid (HA) based release systems loaded with diphasic betamethasone, including betamethasone dipropionate (BD) and betamethasone 21-phosphate disodium (BP) (BD/BP@HA). BD/BP@HA hydrogel implants demonstrated biocompatibility and biodegradability to matched neuronal tissues, avoiding artificial compression following injection. The sustained release of betamethasone from BD/BP@HA hydrogels effectively inhibited both acute and chronic neuroinflammation by suppressing the nuclear factor kappa-B (NF-κB) pathway. In a mouse model of LDH, the epidural administration of BD/BP@HA efficiently alleviated LDH-induced sciatica for at least 10 days by inhibiting the activation of macrophages and microglia in dorsal root ganglion and spinal dorsal horn, respectively. The newly developed HA hydrogels represent a valuable platform for achieving sustained drug release. Additionally, we provide a simple paradigm for fabricating BD/BP@HA for epidural injection, demonstrating greater and sustained efficiency in alleviating LDH-induced sciatica compared to traditional ESI and displaying potentials for clinical translation. This system has the potential to revolutionize drug delivery for co-delivery of both soluble and insoluble drugs, thereby making a significant impact in the pharmaceutical industry. STATEMENT OF SIGNIFICANCE: Lumbar disc herniation (LDH) is a common degenerative disorder leading to sciatica and spine surgery. Although epidural steroid injection (ESI) is routinely used to alleviate sciatica, the efficacy is short and repeated injections are required. There remains challenging to prolong the efficacy of ESI. Herein, an injectable hyaluronic acid (HA) hydrogel implant by crosslinking acrylated-modified HA (HA-A) with thiol-modified HA (HA-SH) was designed to achieve a biphasic release of betamethasone. The hydrogel showed biocompatibility and biodegradability to match neuronal tissues. Notably, compared to traditional ESI, the hydrogel better alleviated sciatica in vivo by synergistically inhibiting the neuroinflammation in central and peripheral nervous systems. We anticipate the injectable HA hydrogel implant has the potential for clinical translation in treating LDH-induced sciatica.
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Affiliation(s)
- Lunhao Chen
- Spine Lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Chao Jiang
- Spine Lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Qian Xu
- The Charles Institute of Dermatology, School of Medicine, University College Dublin, Dublin D04V1W8, Ireland; School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Jiale Jin
- Spine Lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Sigen A
- School of Medicine, Anhui University of Science and Technology, Huainan, China; The Charles Institute of Dermatology, School of Medicine, University College Dublin, Dublin D04V1W8, Ireland
| | - Xi Wang
- The Charles Institute of Dermatology, School of Medicine, University College Dublin, Dublin D04V1W8, Ireland
| | - Xiaolin Li
- The Charles Institute of Dermatology, School of Medicine, University College Dublin, Dublin D04V1W8, Ireland
| | - Yaling Hu
- Liangzhu Laboratory, Zhejiang University Medical Center, MOE Frontier Science Center for Brain Science and Brain-machine Integration, State Key Laboratory of Brain-machine Intelligence, Zhejiang University, Hangzhou 311121, China; NHC and CAMS Key Laboratory of Medical Neurobiology, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Pancreatic Diseases, The First Affiliated Hospital, University School of Medicine, Hangzhou 310003, China
| | - Huankun Sun
- Zhejiang Provincial Key Laboratory of Pancreatic Diseases, The First Affiliated Hospital, University School of Medicine, Hangzhou 310003, China
| | - Xuan Lu
- Spine Lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Shumin Duan
- Liangzhu Laboratory, Zhejiang University Medical Center, MOE Frontier Science Center for Brain Science and Brain-machine Integration, State Key Laboratory of Brain-machine Intelligence, Zhejiang University, Hangzhou 311121, China; NHC and CAMS Key Laboratory of Medical Neurobiology, Zhejiang University, Hangzhou 310058, China
| | - Zhihua Gao
- Liangzhu Laboratory, Zhejiang University Medical Center, MOE Frontier Science Center for Brain Science and Brain-machine Integration, State Key Laboratory of Brain-machine Intelligence, Zhejiang University, Hangzhou 311121, China; NHC and CAMS Key Laboratory of Medical Neurobiology, Zhejiang University, Hangzhou 310058, China.
| | - Wenxin Wang
- Research and Clinical Translation Center of Gene Medicine and Tissue Engineering, School of Public Health, Anhui University of Science and Technology, Huainan, China; School of Medicine, Anhui University of Science and Technology, Huainan, China; The Charles Institute of Dermatology, School of Medicine, University College Dublin, Dublin D04V1W8, Ireland.
| | - Yue Wang
- Spine Lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
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Cheng Y, Zhang H, Wei H, Yu CY. Injectable hydrogels as emerging drug-delivery platforms for tumor therapy. Biomater Sci 2024; 12:1151-1170. [PMID: 38319379 DOI: 10.1039/d3bm01840g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Tumor therapy continues to be a prominent field within biomedical research. The development of various drug carriers has been propelled by concerns surrounding the side effects and targeting efficacy of various chemotherapeutic drugs and other therapeutic agents. These carriers strive to enhance drug concentration at tumor sites, minimize systemic side effects, and improve therapeutic outcomes. Among the reported delivery systems, injectable hydrogels have emerged as an emerging candidate for the in vivo delivery of chemotherapeutic drugs due to their minimal invasive drug delivery properties. This review systematically summarizes the composition and preparation methodologies of injectable hydrogels and further highlights the delivery mechanisms of diverse drugs using these hydrogels for tumor therapy, along with an in-depth discussion on the optimized therapeutic efficiency of drugs encapsulated within the hydrogels. The work concludes by providing a dynamic forward-looking perspective on the potential challenges and possible solutions of the in situ injectable hydrogels for non-surgical and real-time diagnostic applications.
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Affiliation(s)
- Yao Cheng
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
| | - Haitao Zhang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
| | - Hua Wei
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
| | - Cui-Yun Yu
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science, Hengyang Medical School, University of South China, 28 W Changsheng Road, Hengyang 421001, Hunan, China.
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Qiu R, Cai K, Zhang K, Ying Y, Hu H, Jiang G, Luo K. The current status and development trend of hydrogel application in spinal surgery. J Mater Chem B 2024; 12:1730-1747. [PMID: 38294330 DOI: 10.1039/d3tb02613b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Spinal diseases often result in compromised mobility and diminished quality of life due to the intricate anatomy surrounding the nervous system. Medication and surgical interventions remain the primary treatment methods for spinal conditions. However, currently available medications have limited efficacy in treating spinal surgical diseases and cannot achieve a complete cure. Furthermore, surgical intervention frequently results in inevitable alterations and impairments to the initial anatomical integrity of the spinal structure, accompanied by the consequential loss of certain physiological functionalities. Changes in spine surgery treatment concepts and modalities in the last decade have led to a deepening of minimally invasive treatment, with treatment strategies focusing more on repairing and reconstructing the patient's spine and preserving physiological functions. Therefore, developing novel and more efficient treatment strategies to reduce spinal lesions and iatrogenic injuries is essential. In recent years, significant advancements in biomedical research have led to the discovery that hydrogels possess excellent biocompatibility, biodegradability, and adjustable mechanical properties. The application of hydrogel-based biotechnology in spinal surgery has demonstrated remarkable therapeutic potential. This review presents the therapeutic strategies for spinal diseases based on hydrogel tissue engineering technology.
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Affiliation(s)
- Rongzhang Qiu
- Health Science Center, Ningbo University, Ningbo, Zhejiang, 315000, China
| | - Kaiwen Cai
- Department of Orthopaedics, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, China.
| | - Kai Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, China.
| | - Yijian Ying
- Health Science Center, Ningbo University, Ningbo, Zhejiang, 315000, China
| | - Hangtian Hu
- Health Science Center, Ningbo University, Ningbo, Zhejiang, 315000, China
| | - Guoqiang Jiang
- Department of Orthopaedics, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, China.
| | - Kefeng Luo
- Department of Orthopaedics, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, China.
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Carrelo H, Escoval AR, Vieira T, Jiménez-Rosado M, Silva JC, Romero A, Soares PIP, Borges JP. Injectable Thermoresponsive Microparticle/Hydrogel System with Superparamagnetic Nanoparticles for Drug Release and Magnetic Hyperthermia Applications. Gels 2023; 9:982. [PMID: 38131968 PMCID: PMC10742759 DOI: 10.3390/gels9120982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023] Open
Abstract
Cancer is a disease that continues to greatly impact our society. Developing new and more personalized treatment options is crucial to decreasing the cancer burden. In this study, we combined magnetic polysaccharide microparticles with a Pluronic thermoresponsive hydrogel to develop a multifunctional, injectable drug delivery system (DDS) for magnetic hyperthermia applications. Gellan gum and alginate microparticles were loaded with superparamagnetic iron oxide nanoparticles (SPIONs) with and without coating. The magnetic microparticles' registered temperature increases up to 4 °C upon the application of an alternating magnetic field. These magnetic microparticles were mixed with drug-loaded microparticles, and, subsequently, this mixture was embedded within a Pluronic thermoresponsive hydrogel that is capable of being in the gel state at 37 °C. The proposed DDS was capable of slowly releasing methylene blue, used as a model drug, for up to 9 days. The developed hydrogel/microparticle system had a smaller rate of drug release compared with microparticles alone. This system proved to be a potential thermoresponsive DDS suitable for magnetic hyperthermia applications, thus enabling a synergistic treatment for cancer.
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Affiliation(s)
- Henrique Carrelo
- CENIMAT/i3N, Department of Materials Science, NOVA School of Science and Technology (FCT NOVA), Campus de Caparica, 2829-516 Caparica, Portugal; (H.C.)
| | - André R. Escoval
- CENIMAT/i3N, Department of Materials Science, NOVA School of Science and Technology (FCT NOVA), Campus de Caparica, 2829-516 Caparica, Portugal; (H.C.)
| | - Tânia Vieira
- CENIMAT/i3N, Department of Physics, NOVA School of Science and Technology (FCT NOVA), Campus de Caparica, 2829-516 Caparica, Portugal
| | | | - Jorge Carvalho Silva
- CENIMAT/i3N, Department of Physics, NOVA School of Science and Technology (FCT NOVA), Campus de Caparica, 2829-516 Caparica, Portugal
| | - Alberto Romero
- Department of Chemical Engineering, Facultad de Química, Universidad de Sevilla, 41012 Sevilla, Spain;
| | - Paula Isabel P. Soares
- CENIMAT/i3N, Department of Materials Science, NOVA School of Science and Technology (FCT NOVA), Campus de Caparica, 2829-516 Caparica, Portugal; (H.C.)
| | - João Paulo Borges
- CENIMAT/i3N, Department of Materials Science, NOVA School of Science and Technology (FCT NOVA), Campus de Caparica, 2829-516 Caparica, Portugal; (H.C.)
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Elakkiya K, Bargavi P, Balakumar S. Unveiling pro-angiogenesis and drug delivery using dual-bio polymer with bio-ceramic based nanocomposite hydrogels. CHEMOSPHERE 2023; 341:140131. [PMID: 37690566 DOI: 10.1016/j.chemosphere.2023.140131] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/28/2023] [Accepted: 09/07/2023] [Indexed: 09/12/2023]
Abstract
In regenerative medicine, blood vessel development is of utmost importance as it enables the restoration of blood flow to tissues, and facilitate rapid vascularization in clinical tissue-engineered grafts. Herein, we fabricate the nanocomposite hydrogels from BG (clinophosinaite), alginate, Polyethylene glycol (PEG) and Dexamethasone (DEX) for the dual applications of drug delivery and angiogenesis assay. The hydrogels were fabricated through cross-linking approach and termed as alginate/PEG (A), alginate/PEG/clinophosinaite (AC), and alginate/PEG/clinophosinaite/DEX (ACD) that further subjected to structural characterization, using powder X-ray diffraction, and fourier-transform infrared spectroscopy. Porous nanostructures and sheets were imaged using field emission scanning electron microscopy (FESEM), which aid in nutrient and oxygen transport to support angiogenesis. The nanocomposite hydrogels evidently demonstrated good hemocompatibility and fully hydrophilic (30.20°). By means of liquid displacement technique, the nanocomposite hydrogel achieves 47% of porosity with the compressive strength about 0.04 MPa. In alginate/PEG/clinophosinaite and alginate/PEG/clinophosinaite/DEX systems, water absorption capacity reached 85% in 6 h and maintained 90% retention after 12 h. Further, leachable tests revealed that the hydrogel had not deformed even after 24 h. In vitro drug release studies evidently divulge sustainable delivery of DEX from alginate/PEG/clinophosinaite/DEX hydrogel with superior characteristics for drug release. The angiogenesis assay also evidently revealed that the AC and ACD hydrogels, demonstrated higher angiogenic properties with, promoted blood vessel development.
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Affiliation(s)
- K Elakkiya
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai, 600025, India
| | - P Bargavi
- Department of Oral Pathology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, 600077, India
| | - S Balakumar
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai, 600025, India.
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Baltin M, Smirnova V, Khamatnurova R, Sabirova D, Samigullin B, Sachenkov O, Baltina T. Functional State of the Motor Centers of the Lumbar Spine after Contusion (Th8-Th9) with Application of Methylprednisolone-Copolymer at the Site of Injury. Biomedicines 2023; 11:2026. [PMID: 37509665 PMCID: PMC10377350 DOI: 10.3390/biomedicines11072026] [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: 05/11/2023] [Revised: 07/06/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Spinal cord injuries must be treated as soon as possible. Studies of NASCIS protocols have questioned the use of methylprednisolone therapy. This study aimed to evaluate the effect of local delivery of methylprednisolone succinate in combination with a tri-block copolymer in rats with spinal cord injury. The experiments were conducted in accordance with the bioethical guidelines. We evaluated the state of the motor centers below the level of injury by assessing the amplitude of evoked motor responses in the hind limb muscles of rats during epidural stimulation. Kinematic analysis was performed to examine the stepping cycle in each rat. Trajectories of foot movements were plotted to determine the range of limb motion, maximum foot lift height, and lateral deviation of the foot in rats on the 21st day after spinal cord injury. We have shown that the local application of methylprednisolone succinate in combination with block copolymer leads to recovery of center excitability by 21 days after injury. In rats, they recovered weight-supported locomotion, directional control of walking, and balance. The proposed assessment method provides valuable information on gait disturbances following injury and can be utilized to evaluate the quality of therapeutic interventions.
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Affiliation(s)
- Maxim Baltin
- Research Laboratory "Mechanobiology", Institute of Fundamental Medicine and Biology, Kazan Federal University, 420015 Kazan, Russia
- Research Institute of Sports Reserve Training Technologies, Volga State University of Physical Culture, Sports and Tourism, Universiade Village, 35, 420010 Kazan, Russia
| | - Victoriya Smirnova
- N.I. Lobachevsky Institute of Mathematics and Mechanics, Kazan Federal University, 420008 Kazan, Russia
| | - Regina Khamatnurova
- Interdisciplinary Neuroscience Faculty, Goethe-Universität Frankfurt am Main, 60323 Frankfurt am Main, Germany
| | - Diana Sabirova
- N.I. Lobachevsky Institute of Mathematics and Mechanics, Kazan Federal University, 420008 Kazan, Russia
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, 76 K. Marx St., 420015 Kazan, Russia
| | - Bulat Samigullin
- Research Laboratory "Mechanobiology", Institute of Fundamental Medicine and Biology, Kazan Federal University, 420015 Kazan, Russia
- NeuroStart Medical Center, 420049 Kazan, Russia
| | - Oskar Sachenkov
- N.I. Lobachevsky Institute of Mathematics and Mechanics, Kazan Federal University, 420008 Kazan, Russia
- Department Machines Science and Engineering Graphics, Tupolev Kazan National Research Technical University, 420111 Kazan, Russia
| | - Tatyana Baltina
- Research Laboratory "Mechanobiology", Institute of Fundamental Medicine and Biology, Kazan Federal University, 420015 Kazan, Russia
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, 76 K. Marx St., 420015 Kazan, Russia
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Ji YB, Lee S, Ju HJ, Kim HE, Noh JH, Choi S, Park K, Lee HB, Kim MS. Preparation and evaluation of injectable microsphere formulation for longer sustained release of donepezil. J Control Release 2023; 356:43-58. [PMID: 36841288 DOI: 10.1016/j.jconrel.2023.02.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 02/09/2023] [Accepted: 02/16/2023] [Indexed: 02/27/2023]
Abstract
In this study, donepezil-loaded PLGA and PLA microspheres (Dp-PLGA-M/Dp-PLA-M) and Dp-PLA-M wrapped in a polyethylene glycol-b-polycaprolactone (PC) hydrogel (Dp-PLA-M/PC) were prepared to reduce the dosing frequency of injections to treat Alzheimer's disease patients. Dp-PLGA-M and Dp-PLA-M with a uniform particle size distribution were repeatably fabricated in nearly quantitative yield and with high encapsulated Dp yields using an ultrasonic atomizer. The injectability and in vitro and in vivo Dp release, biodegradation, and inflammatory response elicited by the Dp-PLGA-M, Dp-PLA-M, and Dp-PLA-M/PC formulations were then compared. All injectable formulations showed good injectability with ease of injection, even flow, and no clogging using a syringe needle under 21-G. The injections required a force of <1 N. According to the biodegradation rate of micro-CT, GPC and NMR analyses, the biodegradation of Dp-PLA-M was slower than that of Dp-PLGA-M, and the biodegradation rate of Dp-PLA-M/PC was also slower. In the Dp release experiment, Dp-PLA-M sustained Dp for longer compared with Dp-PLGA-M. Dp-PLA-M/PC exhibited a longer sustained release pattern of two months. In vivo bioavailability of Dp-PLA-M/PC was almost 1.4 times higher than that of Dp-PLA-M and 1.9 times higher than that of Dp-PLGA-M. The variations in the Dp release patterns of Dp-PLGA-M and Dp-PLA-M were explained by differences in the degradation rates of PLGA and PLA. The sustained release of Dp by Dp-PLA-M/PC was attributed to the fact that the PC hydrogel served as a wrapping matrix for Dp-PLA-M, which could slow down the biodegradation of PLA-M, thus delaying the release of Dp from Dp-PLA-M. Dp-PLGA-M induced a higher inflammatory response compared to Dp-PLA-M/PC, suggesting that the rapid degradation of PLGA triggered a strong inflammatory response. In conclusion, Dp-PLA-M/PC is a promising injectable Dp formulation that could be used to reduce the dosing frequency of Dp injections.
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Affiliation(s)
- Yun Bae Ji
- Department of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
| | - Soyeon Lee
- Department of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
| | - Hyeon Jin Ju
- Department of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
| | - Hee Eun Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
| | - Jung Hyun Noh
- Department of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
| | - Sangdun Choi
- Department of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea
| | - Kinam Park
- Departments of Biomedical Engineering and Pharmaceutics, Purdue University, 206 S. Intramural Drive, West Lafayette, Indiana 47907-1791, United States of America
| | - Hai Bang Lee
- Research Institute, Medipolymers, Woncheon Dong 332-2, Suwon 16522, Republic of Korea
| | - Moon Suk Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea; Research Institute, Medipolymers, Woncheon Dong 332-2, Suwon 16522, Republic of Korea.
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Sahkulubey Kahveci EL, Kahveci MU, Celebi A, Avsar T, Derman S. Glycopolymer and Poly(β-amino ester)-Based Amphiphilic Block Copolymer as a Drug Carrier. Biomacromolecules 2022; 23:4896-4908. [DOI: 10.1021/acs.biomac.2c01076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Elif L. Sahkulubey Kahveci
- Faculty of Chemical and Metallurgical Engineering, Department of Bioengineering, Yildiz Technical University, Davutpasa Campus, Esenler, 34210Istanbul, Turkey
| | - Muhammet U. Kahveci
- Faculty of Science and Letters, Department of Chemistry, Istanbul Technical University, Maslak, Sariyer, 34467Istanbul, Turkey
| | - Asuman Celebi
- Department of Medical Biology, School of Medicine, Bahcesehir University, Goztepe, 34734Istanbul, Turkey
| | - Timucin Avsar
- Department of Medical Biology, School of Medicine, Bahcesehir University, Goztepe, 34734Istanbul, Turkey
| | - Serap Derman
- Faculty of Chemical and Metallurgical Engineering, Department of Bioengineering, Yildiz Technical University, Davutpasa Campus, Esenler, 34210Istanbul, Turkey
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Yazdi MK, Sajadi SM, Seidi F, Rabiee N, Fatahi Y, Rabiee M, Dominic C.D. M, Zarrintaj P, Formela K, Saeb MR, Bencherif SA. Clickable Polysaccharides for Biomedical Applications: A Comprehensive Review. Prog Polym Sci 2022; 133:101590. [PMID: 37779922 PMCID: PMC10540641 DOI: 10.1016/j.progpolymsci.2022.101590] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Recent advances in materials science and engineering highlight the importance of designing sophisticated biomaterials with well-defined architectures and tunable properties for emerging biomedical applications. Click chemistry, a powerful method allowing specific and controllable bioorthogonal reactions, has revolutionized our ability to make complex molecular structures with a high level of specificity, selectivity, and yield under mild conditions. These features combined with minimal byproduct formation have enabled the design of a wide range of macromolecular architectures from quick and versatile click reactions. Furthermore, copper-free click chemistry has resulted in a change of paradigm, allowing researchers to perform highly selective chemical reactions in biological environments to further understand the structure and function of cells. In living systems, introducing clickable groups into biomolecules such as polysaccharides (PSA) has been explored as a general approach to conduct medicinal chemistry and potentially help solve healthcare needs. De novo biosynthetic pathways for chemical synthesis have also been exploited and optimized to perform PSA-based bioconjugation inside living cells without interfering with their native processes or functions. This strategy obviates the need for laborious and costly chemical reactions which normally require extensive and time-consuming purification steps. Using these approaches, various PSA-based macromolecules have been manufactured as building blocks for the design of novel biomaterials. Clickable PSA provides a powerful and versatile toolbox for biomaterials scientists and will increasingly play a crucial role in the biomedical field. Specifically, bioclick reactions with PSA have been leveraged for the design of advanced drug delivery systems and minimally invasive injectable hydrogels. In this review article, we have outlined the key aspects and breadth of PSA-derived bioclick reactions as a powerful and versatile toolbox to design advanced polymeric biomaterials for biomedical applications such as molecular imaging, drug delivery, and tissue engineering. Additionally, we have also discussed the past achievements, present developments, and recent trends of clickable PSA-based biomaterials such as 3D printing, as well as their challenges, clinical translatability, and future perspectives.
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Affiliation(s)
- Mohsen Khodadadi Yazdi
- Jiangsu Co–Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, 210037 Nanjing, China
| | - S. Mohammad Sajadi
- Department of Nutrition, Cihan University-Erbil, Kurdistan Region, 625, Erbil, Iraq
- Department of Phytochemistry, SRC, Soran University, 624, KRG, Iraq
| | - Farzad Seidi
- Jiangsu Co–Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, 210037 Nanjing, China
| | - Navid Rabiee
- School of Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia
| | - Yousef Fatahi
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Rabiee
- Biomaterial group, Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Midhun Dominic C.D.
- Department of Chemistry, Sacred Heart College (Autonomous), Kochi, Kerala Pin-682013, India
| | - Payam Zarrintaj
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, OK 74078, United States
| | - Krzysztof Formela
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Sidi A. Bencherif
- Department of Chemical Engineering, Northeastern University, Boston, MA, United States
- Department of Bioengineering, Northeastern University, Boston, MA, United States
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, United States
- Sorbonne University, UTC CNRS UMR 7338, Biomechanics and Bioengineering (BMBI), University of Technology of Compiègne, Compiègne, France
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11
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Madamsetty VS, Mohammadinejad R, Uzieliene I, Nabavi N, Dehshahri A, García-Couce J, Tavakol S, Moghassemi S, Dadashzadeh A, Makvandi P, Pardakhty A, Aghaei Afshar A, Seyfoddin A. Dexamethasone: Insights into Pharmacological Aspects, Therapeutic Mechanisms, and Delivery Systems. ACS Biomater Sci Eng 2022; 8:1763-1790. [PMID: 35439408 PMCID: PMC9045676 DOI: 10.1021/acsbiomaterials.2c00026] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Dexamethasone (DEX) has been widely used to treat a variety of diseases, including autoimmune diseases, allergies, ocular disorders, cancer, and, more recently, COVID-19. However, DEX usage is often restricted in the clinic due to its poor water solubility. When administered through a systemic route, it can elicit severe side effects, such as hypertension, peptic ulcers, hyperglycemia, and hydro-electrolytic disorders. There is currently much interest in developing efficient DEX-loaded nanoformulations that ameliorate adverse disease effects inhibiting advancements in scientific research. Various nanoparticles have been developed to selectively deliver drugs without destroying healthy cells or organs in recent years. In the present review, we have summarized some of the most attractive applications of DEX-loaded delivery systems, including liposomes, polymers, hydrogels, nanofibers, silica, calcium phosphate, and hydroxyapatite. This review provides our readers with a broad spectrum of nanomedicine approaches to deliver DEX safely.
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Affiliation(s)
- Vijay Sagar Madamsetty
- Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine and Science, Jacksonville, Florida 32224, United States
| | - Reza Mohammadinejad
- Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman 7618866749, Iran
| | - Ilona Uzieliene
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Santariskiu 5, LT-08406 Vilnius, Lithuania
| | - Noushin Nabavi
- Department of Urologic Sciences, Vancouver Prostate Centre, Vancouver, British Columbia, Canada V6H 3Z6
| | - Ali Dehshahri
- Center for Nanotechnology in Drug Delivery, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran
| | - Jomarien García-Couce
- Department of Radiology, Division of Translational Nanobiomaterials and Imaging, Leiden University Medical Center, Leiden 2333 ZA, The Netherlands
- Department of Polymeric Biomaterials, Biomaterials Center (BIOMAT), University of Havana, Havana 10600, Cuba
| | - Shima Tavakol
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran 1417755469, Iran
| | - Saeid Moghassemi
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels 1200, Belgium
| | - Arezoo Dadashzadeh
- Pôle de Recherche en Gynécologie, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels 1200, Belgium
| | - Pooyan Makvandi
- Istituto Italiano di Tecnologia, Centre for Micro-BioRobotics, Viale Rinaldo Piaggio 34, 56025 Pontedera, Pisa, Italy
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran 14496-14535, Iran
| | - Abbas Pardakhty
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman 7618866748, Iran
| | - Abbas Aghaei Afshar
- Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman 7618866749, Iran
| | - Ali Seyfoddin
- Drug Delivery Research Group, Auckland University of Technology (AUT), School of Science, Auckland 1010, New Zealand
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12
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Park SH, Kim RS, Stiles WR, Jo M, Zeng L, Rho S, Baek Y, Kim J, Kim MS, Kang H, Choi HS. Injectable Thermosensitive Hydrogels for a Sustained Release of Iron Nanochelators. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2200872. [PMID: 35343104 PMCID: PMC9130884 DOI: 10.1002/advs.202200872] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Indexed: 05/17/2023]
Abstract
Deferoxamine (DFO) is an FDA-approved iron-chelating agent which shows good therapeutic efficacy, however, its short blood half-life presents challenges such as the need for repeated injections or continuous infusions. Considering the lifelong need of chelating agents for iron overload patients, a sustained-release formulation that can reduce the number of chelator administrations is essential. Here, injectable hydrogel formulations prepared by integrating crosslinked hyaluronic acid into Pluronic F127 for an extended release of DFO nanochelators are reported. The subcutaneously injected hydrogel shows a thermosensitive sol-gel transition at physiological body temperature and provides a prolonged release of renal clearable nanochelators over 2 weeks, resulting in a half-life 47-fold longer than that of the nanochelator alone. In addition, no chronic toxicity of the nanochelator-loaded hydrogel is confirmed by biochemical and histological analyses. This injectable hydrogel formulation with DFO nanochelators has the potential to be a promising formulation for the treatment of iron overload disorders.
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Affiliation(s)
- Seung Hun Park
- Gordon Center for Medical ImagingDepartment of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonMA02114USA
- Department of Molecular Science and TechnologyAjou UniversitySuwon16499South Korea
| | - Richard S. Kim
- Gordon Center for Medical ImagingDepartment of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonMA02114USA
| | - Wesley R. Stiles
- Gordon Center for Medical ImagingDepartment of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonMA02114USA
| | - Minjoo Jo
- Gordon Center for Medical ImagingDepartment of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonMA02114USA
| | - Lingxue Zeng
- Department of Biomedical & Nutritional SciencesZuckerberg College of Health SciencesUniversity of MassachusettsLowellMA01854USA
| | - Sunghoon Rho
- Gordon Center for Medical ImagingDepartment of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonMA02114USA
| | - Yoonji Baek
- Gordon Center for Medical ImagingDepartment of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonMA02114USA
| | - Jonghan Kim
- Department of Biomedical & Nutritional SciencesZuckerberg College of Health SciencesUniversity of MassachusettsLowellMA01854USA
| | - Moon Suk Kim
- Department of Molecular Science and TechnologyAjou UniversitySuwon16499South Korea
| | - Homan Kang
- Gordon Center for Medical ImagingDepartment of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonMA02114USA
| | - Hak Soo Choi
- Gordon Center for Medical ImagingDepartment of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonMA02114USA
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13
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Silk-based nano-hydrogels for futuristic biomedical applications. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Wang Y, Lv HQ, Chao X, Xu WX, Liu Y, Ling GX, Zhang P. Multimodal therapy strategies based on hydrogels for the repair of spinal cord injury. Mil Med Res 2022; 9:16. [PMID: 35410314 PMCID: PMC9003987 DOI: 10.1186/s40779-022-00376-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 03/30/2022] [Indexed: 02/07/2023] Open
Abstract
Spinal cord injury (SCI) is a serious traumatic disease of the central nervous system, which can give rise to the loss of motor and sensory function. Due to its complex pathological mechanism, the treatment of this disease still faces a huge challenge. Hydrogels with good biocompatibility and biodegradability can well imitate the extracellular matrix in the microenvironment of spinal cord. Hydrogels have been regarded as promising SCI repair material in recent years and continuous studies have confirmed that hydrogel-based therapy can effectively eliminate inflammation and promote spinal cord repair and regeneration to improve SCI. In this review, hydrogel-based multimodal therapeutic strategies to repair SCI are provided, and a combination of hydrogel scaffolds and other therapeutic modalities are discussed, with particular emphasis on the repair mechanism of SCI.
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Affiliation(s)
- Yan Wang
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China
| | - Hong-Qian Lv
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China
| | - Xuan Chao
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China
| | - Wen-Xin Xu
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China
| | - Yun Liu
- Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Gui-Xia Ling
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China.
| | - Peng Zhang
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China.
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Faivre J, Pigweh AI, Iehl J, Maffert P, Goekjian P, Bourdon F. Crosslinking Hyaluronic Acid Soft-Tissue Fillers: Current Status and Perspectives from an Industrial Point of View. Expert Rev Med Devices 2021; 18:1175-1187. [PMID: 34882503 DOI: 10.1080/17434440.2021.2014320] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Hyaluronan (HA)-based soft-tissue fillers are injectable crosslinked hydrogels aimed to counteract facial skin aging signs via minimally invasive procedures. The crosslinking step is required to drastically improve HA residence time in vivo and provide the gel with specific viscoelastic properties matching the clinical indications. While HA as a raw material and HA fillers are widely studied, little is reported about crosslinkers themselves used in commercial fillers. AREAS COVERED This article introduces the specifications of the ideal crosslinker in HA fillers. The properties of commercially used crosslinkers are reviewed. An up-to-date review of innovative hydrogel fabrication alternatives is conducted, and advantages and drawbacks are discussed. EXPERT OPINION HA fillers are predominantly manufactured using 1,4-butanediol diglycidyl ether (BDDE) which is considered as the gold standard crosslinker worldwide due to its proven and unrivalled clinical track record of more than 20 years. Extensive studies have been published covering BDDE-crosslinked HA fillers' chemistry, gel properties, and clinical effectiveness and safety. However, new hydrogel fabrication strategies have emerged, paving the way for innovative alternatives potentially bringing novel features to HA fillers. Nevertheless, major efforts must still be implemented to assess their safety, efficacy, stability and suitability for industrialization.
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Affiliation(s)
- Jimmy Faivre
- Research and Development Department, Teoxane SA, Rue de Lyon 105, 1203 Genève, Switzerland
| | - Amos I Pigweh
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS-UBCL-CPE UMR 5246 ICBMS, Laboratoire Chimie Organique 2- Glycosciences, F-69622 Villeurbanne Cedex, France
| | - Julien Iehl
- Research and Development Department, Teoxane SA, Rue de Lyon 105, 1203 Genève, Switzerland
| | - Pauline Maffert
- Clinical Department, Teoxane SA, Rue de Lyon 105, 1203 Genève, Switzerland
| | - Peter Goekjian
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS-UBCL-CPE UMR 5246 ICBMS, Laboratoire Chimie Organique 2- Glycosciences, F-69622 Villeurbanne Cedex, France
| | - François Bourdon
- Research and Development Department, Teoxane SA, Rue de Lyon 105, 1203 Genève, Switzerland
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16
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Simulate SubQ: The Methods and the Media. J Pharm Sci 2021; 112:1492-1508. [PMID: 34728176 DOI: 10.1016/j.xphs.2021.10.031] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 10/25/2021] [Accepted: 10/26/2021] [Indexed: 11/21/2022]
Abstract
For decades, there has been a growing interest in injectable subcutaneous formulations to improve the absorption of drugs into the systemic circulation and to prolong their release over a longer period. However, fluctuations in the blood plasma levels together with bioavailability issues often limit their clinical success. This warrants a closer look at the performance of long-acting depots, for example, and their dependence on the complex interplay between the dosage form and the physiological microenvironment. For this, biopredictive performance testing is used for a thorough understanding of the biophysical processes affecting the absorption of compounds from the injection site in vivo and their simulation in vitro. In the present work, we discuss in vitro methodologies including methods and media developed for the subcutaneous route of administration on the background of the most relevant absorption mechanisms. Also, we highlight some important knowledge gaps and shortcomings of the existing methodologies to provide the reader with a better understanding of the scientific evidence underlying these models.
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Injectable Composite Systems Based on Microparticles in Hydrogels for Bioactive Cargo Controlled Delivery. Gels 2021; 7:gels7030147. [PMID: 34563033 PMCID: PMC8482158 DOI: 10.3390/gels7030147] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/08/2021] [Accepted: 09/14/2021] [Indexed: 12/22/2022] Open
Abstract
Engineering drug delivery systems (DDS) aim to release bioactive cargo to a specific site within the human body safely and efficiently. Hydrogels have been used as delivery matrices in different studies due to their biocompatibility, biodegradability, and versatility in biomedical purposes. Microparticles have also been used as drug delivery systems for similar reasons. The combination of microparticles and hydrogels in a composite system has been the topic of many research works. These composite systems can be injected in loco as DDS. The hydrogel will serve as a barrier to protect the particles and retard the release of any bioactive cargo within the particles. Additionally, these systems allow different release profiles, where different loads can be released sequentially, thus allowing a synergistic treatment. The reported advantages from several studies of these systems can be of great use in biomedicine for the development of more effective DDS. This review will focus on in situ injectable microparticles in hydrogel composite DDS for biomedical purposes, where a compilation of different studies will be analysed and reported herein.
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Pérez LA, Hernández R, Alonso JM, Pérez-González R, Sáez-Martínez V. Hyaluronic Acid Hydrogels Crosslinked in Physiological Conditions: Synthesis and Biomedical Applications. Biomedicines 2021; 9:1113. [PMID: 34572298 PMCID: PMC8466770 DOI: 10.3390/biomedicines9091113] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/26/2021] [Accepted: 08/27/2021] [Indexed: 12/29/2022] Open
Abstract
Hyaluronic acid (HA) hydrogels display a wide variety of biomedical applications ranging from tissue engineering to drug vehiculization and controlled release. To date, most of the commercially available hyaluronic acid hydrogel formulations are produced under conditions that are not compatible with physiological ones. This review compiles the currently used approaches for the development of hyaluronic acid hydrogels under physiological/mild conditions. These methods include dynamic covalent processes such as boronic ester and Schiff-base formation and click chemistry mediated reactions such as thiol chemistry processes, azide-alkyne, or Diels Alder cycloaddition. Thermoreversible gelation of HA hydrogels at physiological temperature is also discussed. Finally, the most outstanding biomedical applications are indicated for each of the HA hydrogel generation approaches.
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Affiliation(s)
- Luis Andrés Pérez
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), c/Juan de la Cierva, 3, 28006 Madrid, Spain;
- i+Med S. Coop. Parque Tecnológico de Álava, Albert Einstein 15, Nave 15, 01510 Vitoria-Gasteiz, Spain; (J.M.A.); (R.P.-G.)
| | - Rebeca Hernández
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), c/Juan de la Cierva, 3, 28006 Madrid, Spain;
| | - José María Alonso
- i+Med S. Coop. Parque Tecnológico de Álava, Albert Einstein 15, Nave 15, 01510 Vitoria-Gasteiz, Spain; (J.M.A.); (R.P.-G.)
| | - Raúl Pérez-González
- i+Med S. Coop. Parque Tecnológico de Álava, Albert Einstein 15, Nave 15, 01510 Vitoria-Gasteiz, Spain; (J.M.A.); (R.P.-G.)
| | - Virginia Sáez-Martínez
- i+Med S. Coop. Parque Tecnológico de Álava, Albert Einstein 15, Nave 15, 01510 Vitoria-Gasteiz, Spain; (J.M.A.); (R.P.-G.)
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Çetinkaya A, Sadak AE, Ayhan MM, Zorlu Y, Kahveci MU. Porphyrin-based covalent organic polymer by inverse electron demand Diels-Alder reaction. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110664] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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20
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Bakirdogen G, Sahkulubey Kahveci EL, Kahveci MU. Fast and efficient preparation of three-arm star block copolymers via tetrazine ligation. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.110027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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21
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Park SH, Park JY, Ji YB, Ju HJ, Min BH, Kim MS. An injectable click-crosslinked hyaluronic acid hydrogel modified with a BMP-2 mimetic peptide as a bone tissue engineering scaffold. Acta Biomater 2020; 117:108-120. [PMID: 32927087 DOI: 10.1016/j.actbio.2020.09.013] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/16/2020] [Accepted: 09/06/2020] [Indexed: 12/15/2022]
Abstract
An injectable, click-crosslinking (Cx) hyaluronic acid (HA) hydrogel scaffold modified with a bone morphogenetic protein-2 (BMP-2) mimetic peptide (BP) was prepared for bone tissue engineering applications. The injectable click-crosslinking HA formulation was prepared from HA-tetrazine (HA-Tet) and HA-cyclooctene (HA-TCO). The Cx-HA hydrogel scaffold was prepared simply by mixing HA-Tet and HA-TCO. The Cx-HA hydrogel scaffold was stable for a longer period than HA both in vitro and in vivo, which was verified via in-vivo fluorescence imaging in real time. BP acted as an osteogenic differentiation factor for human dental pulp stem cells (hDPSCs). After its formation in vivo, the Cx-HA scaffold provided a fine environment for the hDPSCs, and the biocompatibility of the hydrogel scaffold with tissue was good. Like traditional BMP-2, BP induced the osteogenic differentiation of hDPSCs in vitro. The physical properties and injectability of the chemically loaded BP for the Cx-HA hydrogel (Cx-HA-BP) were nearly identical to those of the physically loaded BP hydrogels and the Cx-HA-BP formulation quickly formed a hydrogel scaffold in vivo. The chemically loaded hydrogel scaffold retained the BP for over a month. The Cx-HA-BP hydrogel was better at inducing the osteogenic differentiation of loaded hDPSCs, because it prolonged the availability of BP. In summary, we successfully developed an injectable, click-crosslinking Cx-HA hydrogel scaffold to prolong the availability of BP for efficient bone tissue engineering.
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