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Kamenova K, Momekova D, Grancharov G, Prancheva A, Toncheva-Moncheva N, Ivanov E, Konstantinov S, Petrov PD. In Situ Gelling Hydroxypropyl Cellulose Formulation Comprising Cannabidiol-Loaded Block Copolymer Micelles for Sustained Drug Delivery. Int J Mol Sci 2023; 24:16534. [PMID: 38003722 PMCID: PMC10671718 DOI: 10.3390/ijms242216534] [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: 10/18/2023] [Revised: 11/14/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023] Open
Abstract
Cannabidiol (CBD) is a natural terpenophenolic compound with known pharmacological activities, but the poor solubility of CBD in water limits its widespread use in medicine and pharmacy. Polymeric (nano)carriers demonstrated high potential for enhancing the solubility and therapeutic activity of lipophilic drugs such as CBD. Here, we report the elaboration of a novel hydroxypropyl cellulose (HPC)-based in situ gelling formulation for controlled delivery of CBD. In the first stage, nanosized polymeric micelles from poly(ethylene oxide)-block-poly(α-cinnamyl-ε-caprolactone-co-ε-caprolactone) (PEO-b-P(CyCL-co-CL) diblock copolymers) were used to increase the solubility of CBD in water. Different copolymers were assessed, and the carrier with the highest encapsulation efficiency (EE) and drug loading capacity (DLC) was selected for further elaboration of nanocomposite in situ gel formulations. Next, the sol-to-gel transition behavior of HPC as a function of K2SO4 concentration in the aqueous solution was investigated by microcalorimetry and dynamic oscillatory rheology, and the optimal formulation capable of forming a physical gel under physiological conditions was determined. Finally, injectable nanocomposite hydrogels comprising cannabidiol were fabricated, and their drug release profile and cytotoxicity against human tumor cell lines were evaluated. The in situ gels exhibited prolonged drug release over 12 h, controlled by gel erosion, and the cytotoxicity of formulated cannabidiol was comparable with that of a free drug.
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Affiliation(s)
- Katya Kamenova
- Institute of Polymers, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (K.K.); (G.G.); (A.P.); (N.T.-M.)
| | - Denitsa Momekova
- Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria; (D.M.); (E.I.); (S.K.)
| | - Georgy Grancharov
- Institute of Polymers, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (K.K.); (G.G.); (A.P.); (N.T.-M.)
| | - Anna Prancheva
- Institute of Polymers, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (K.K.); (G.G.); (A.P.); (N.T.-M.)
| | - Natalia Toncheva-Moncheva
- Institute of Polymers, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (K.K.); (G.G.); (A.P.); (N.T.-M.)
| | - Ervin Ivanov
- Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria; (D.M.); (E.I.); (S.K.)
- Pobelch Gle Ltd., 1618 Sofia, Bulgaria
| | - Spiro Konstantinov
- Faculty of Pharmacy, Medical University of Sofia, 1000 Sofia, Bulgaria; (D.M.); (E.I.); (S.K.)
| | - Petar D. Petrov
- Institute of Polymers, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (K.K.); (G.G.); (A.P.); (N.T.-M.)
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Zhao Q, Yue X, Miaomiao L, Yanming W, Wu G. Nano-injectable pH/NIR-responsive hydrogel for chemo-photothermal synergistic drug delivery. J Biomater Appl 2023; 38:614-628. [PMID: 37918422 DOI: 10.1177/08853282231209653] [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] [Indexed: 11/04/2023]
Abstract
Conventional cancer treatments are highly toxic and ineffective; therefore, it is essential to develop less toxic and minimally invasive treatment methods. A pH/Near Infra-red (NIR) dual-responsive, nano-injectable smart hydrogel was fabricated by incorporating CuS nanoparticles into the hydrogel networks formed by a random copolymer of N-isopropylacrylamide (NIPAM) and double-bond functionalized uracil. Microstructural characterizations of synthesized polymer and hydrogels were carried out using transmission electron microscope (TEM), scanning electron microscope (SEM), nuclear magnetic resonance (NMR) and fourier transform infrared spectroscopy (FT-IR). Multiple hydrogen bonding interactions between uracils function as physical cross-linking points to construct the network structure of the polymeric nanogel without the addition of additional cross-linking agents, ensuring the material's safety. The amino group on the structure of uracil gives the uracil-modified polymeric hydrogel excellent pH responsiveness. Notably, as a temperature-responsive material, poly (N-isopropylacrylamide) (PNIPAM) nanogel solution can achieve in situ gel formation (within 100 s at 37°C) above its lower critical solution temperature (LCST), granting injectability to polymeric solutions. Moreover, using a hierarchical construction strategy, the variable loading of DOX and CuS was achieved. First, a heterogeneous system was created by encapsulating doxorubicin (DOX) inside the nanogel via hydrophobic and π-π stacking interactions, followed by the introduction of CuS nanoparticles as photosensitizers outside of the nanogels. Due to the presence of CuS nanoparticles, the gel is able to convert NIR light into local heat to enhance the destruction of tumor cells while simultaneously achieving rapid in situ gel formation. The in situ-forming hydrogel showed promising tissue biocompatibility. The in vitro antitumor test demonstrated the capacity of the nanocomposite hydrogel for chemo-photothermal synergistic therapy. Therefore, this prepared platform has the potential to become a safe and effective, smart-responsive drug carrier for chemotherapy and PTT synergy, a minimally invasive material for tumor treatment.
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Affiliation(s)
- Qian Zhao
- Key Laboratory of Functional Polymer Materials of MOE, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Xu Yue
- Key Laboratory of Functional Polymer Materials of MOE, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Liu Miaomiao
- College of Pharmacy, Nankai University, Tianjin, China
| | - Wang Yanming
- College of Pharmacy, Nankai University, Tianjin, China
| | - Guolin Wu
- Key Laboratory of Functional Polymer Materials of MOE, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin, China
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Omidian H, Chowdhury SD. Advancements and Applications of Injectable Hydrogel Composites in Biomedical Research and Therapy. Gels 2023; 9:533. [PMID: 37504412 PMCID: PMC10379998 DOI: 10.3390/gels9070533] [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: 05/30/2023] [Revised: 06/23/2023] [Accepted: 06/28/2023] [Indexed: 07/29/2023] Open
Abstract
Injectable hydrogels have gained popularity for their controlled release, targeted delivery, and enhanced mechanical properties. They hold promise in cardiac regeneration, joint diseases, postoperative analgesia, and ocular disorder treatment. Hydrogels enriched with nano-hydroxyapatite show potential in bone regeneration, addressing challenges of bone defects, osteoporosis, and tumor-associated regeneration. In wound management and cancer therapy, they enable controlled release, accelerated wound closure, and targeted drug delivery. Injectable hydrogels also find applications in ischemic brain injury, tissue regeneration, cardiovascular diseases, and personalized cancer immunotherapy. This manuscript highlights the versatility and potential of injectable hydrogel nanocomposites in biomedical research. Moreover, it includes a perspective section that explores future prospects, emphasizes interdisciplinary collaboration, and underscores the promising future potential of injectable hydrogel nanocomposites in biomedical research and applications.
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Affiliation(s)
- Hossein Omidian
- Barry and Judy Silverman College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL 33328, USA
| | - Sumana Dey Chowdhury
- Barry and Judy Silverman College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL 33328, USA
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Chronobiology and Nanotechnology for Personalized Cancer Therapy. Cancer Nanotechnol 2023. [DOI: 10.1007/978-3-031-17831-3_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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Kaewruethai T, Laomeephol C, Pan Y, Luckanagul JA. Multifunctional Polymeric Nanogels for Biomedical Applications. Gels 2021; 7:228. [PMID: 34842728 PMCID: PMC8628665 DOI: 10.3390/gels7040228] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/30/2021] [Accepted: 11/13/2021] [Indexed: 12/17/2022] Open
Abstract
Currently, research in nanoparticles as a drug delivery system has broadened to include their use as a delivery system for bioactive substances and a diagnostic or theranostic system. Nanogels, nanoparticles containing a high amount of water, have gained attention due to their advantages of colloidal stability, core-shell structure, and adjustable structural components. These advantages provide the potential to design and fabricate multifunctional nanosystems for various biomedical applications. Modified or functionalized polymers and some metals are components that markedly enhance the features of the nanogels, such as tunable amphiphilicity, biocompatibility, stimuli-responsiveness, or sensing moieties, leading to specificity, stability, and tracking abilities. Here, we review the diverse designs of core-shell structure nanogels along with studies on the fabrication and demonstration of the responsiveness of nanogels to different stimuli, temperature, pH, reductive environment, or radiation. Furthermore, additional biomedical applications are presented to illustrate the versatility of the nanogels.
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Affiliation(s)
- Tisana Kaewruethai
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand; (T.K.); (C.L.)
- Department of Biochemistry and Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand
| | - Chavee Laomeephol
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand; (T.K.); (C.L.)
- Biomaterial Engineering for Medical and Health Research Unit, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand
| | - Yue Pan
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China;
| | - Jittima Amie Luckanagul
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand; (T.K.); (C.L.)
- Biomaterial Engineering for Medical and Health Research Unit, Chulalongkorn University, Phayathai Road, Bangkok 10330, Thailand
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Vdovchenko A, Pearce AK, Freeley M, O'Reilly RK, Resmini M. Effect of heterogeneous and homogeneous polymerisation on the structure of pNIPAm nanogels. Polym Chem 2021. [DOI: 10.1039/d1py01333e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The choice of the polymerisation temperature and initiator in the synthesis of poly(N-isopropylacrylamide)-based nanogels can significantly influence their structure, morphology and thermoresponsive properties.
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Affiliation(s)
- Alena Vdovchenko
- School of Physical and Chemical Science, Queen Mary University of London, London E1 4NS, UK
| | - Amanda K. Pearce
- School of Chemistry, University of Birmingham, Birmingham B15 2TT, UK
| | - Mark Freeley
- School of Physical and Chemical Science, Queen Mary University of London, London E1 4NS, UK
| | | | - Marina Resmini
- School of Physical and Chemical Science, Queen Mary University of London, London E1 4NS, UK
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Chen D, Ren G, Zhao X, Luo J, Wang H, Jia P. A cyclodextrin-phenylboronic acid cross-linked hydrogel with drug hosting, self-healing and pH-sensitive properties for sustained drug release. NEW J CHEM 2021. [DOI: 10.1039/d1nj01228b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work reports a multifunctional hydrogel using cyclodextrin-phenylboronic acid as a reversible, pH-sensitive cross-linker.
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Affiliation(s)
- Daijun Chen
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education
- College of Chemistry and Materials Science
- Northwest University
- Xi’an
- China
| | | | - Xiaoli Zhao
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education
- College of Chemistry and Materials Science
- Northwest University
- Xi’an
- China
| | - Jinni Luo
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education
- College of Chemistry and Materials Science
- Northwest University
- Xi’an
- China
| | - Huanxia Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education
- College of Chemistry and Materials Science
- Northwest University
- Xi’an
- China
| | - Pengxiang Jia
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education
- College of Chemistry and Materials Science
- Northwest University
- Xi’an
- China
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