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Aycan D. Alginate/hyaluronic acid/gelatin ternary blended films as pH-sensitive drug carriers: In vitro ampicillin release and kinetic studies. Int J Biol Macromol 2024; 277:134111. [PMID: 39048006 DOI: 10.1016/j.ijbiomac.2024.134111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 07/19/2024] [Accepted: 07/21/2024] [Indexed: 07/27/2024]
Abstract
Researchers continuously focused on the fabrication of innovative drug delivery systems to prevent microbial infections while minimizing systemic side effects. Among these, pH-sensitive antibiotic release systems based on bio-based materials have gained great attention due to their ability to precisely modulate drug kinetics and enhance therapeutic efficacy. Herein, pH-sensitive alginate/hyaluronic acid/gelatin ternary blended films were fabricated for the controlled release of ampicillin. Swelling capacity, hydrolytic degradation profile, pH reversibility and in vitro ampicillin release behavior of produced films were investigated in both simulated gastric (pH 1.2) and intestinal (pH 7.4) environments. The cumulative release amount of ampicillin at pH 1.2 (61.0 ± 1.07 mg drug/g polymer) was greater than that of at pH 7.4 (43.0 ± 1.05 mg drug/g polymer) proved that release behavior of ampicillin for produced films is pH-dependent. Based on the fitted release data, best fit was found as the first-order kinetic model with the highest R2 values of 0.966 and 0.962 for both pH conditions. According to Korsmeyer-Peppas model, drug release mechanism is also controlled by case II-transport. Furthermore, produced films demonstrated excellent cytocompatibility. All results revealed that obtained films could be a promising drug carrier to traditional targeting systems for site-specific, pH-sensitive ampicillin delivery in both gastric and intestine.
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Affiliation(s)
- Didem Aycan
- Marmara University, Department of Chemical Engineering, 34854 Istanbul, Turkey.
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2
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Sabatelle RC, Geller A, Li S, Van Heest A, Sachdeva UM, Bressler E, Korunes-Miller J, Tfayli B, Tal-Mason A, Kharroubi H, Colson YL, Grinstaff MW. Synthesis of Amphiphilic Amino Poly-Amido-Saccharide and Poly(lactic) Acid Block Copolymers and Fabrication of Paclitaxel-Loaded Mucoadhesive Nanoparticles. Bioconjug Chem 2024. [PMID: 39159059 DOI: 10.1021/acs.bioconjchem.4c00325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/21/2024]
Abstract
Drug delivery to the esophagus through systemic administration remains challenging, as minimal drug reaches the desired target. Local delivery offers the potential for improved efficacy while minimizing off-target toxicities but necessitates bioadhesive properties for mucosal delivery. Herein, we describe the synthesis of two new mucoadhesive amphiphilic copolymers prepared by sequential ring-opening copolymerization or postpolymerization click conjugation. Both strategies yield block copolymers containing a hydrophilic amine-functionalized poly-amido-saccharide and either a hydrophobic alkyl derivatized poly-amido-saccharide or poly(lactic acid), respectively. The latter resulting copolymers readily self-assemble into spherical, ≈200 nm diameter, positively charged mucoadhesive nanoparticles. The NPs entrap ultrahigh levels of paclitaxel via encapsulation of free paclitaxel and paclitaxel conjugated to a biodegradable, biocompatible poly(1,2-glycerol carbonate). Paclitaxel-loaded NPs rapidly enter cells, release paclitaxel, are cytotoxic to esophageal OE33 and OE19 tumor cells in vitro, and, importantly, demonstrate improved mucoadhesion compared to conventional poly(ethylene glycol)-poly(lactic acid) nanoparticles to ex vivo esophageal tissue.
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Affiliation(s)
- Robert C Sabatelle
- Boston University, Departments of Chemistry and Biomedical Engineering, Boston, Massachusetts 02215, United States
| | - Abraham Geller
- Division of Thoracic Surgery, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Siyuan Li
- Boston University, Departments of Chemistry and Biomedical Engineering, Boston, Massachusetts 02215, United States
| | - Audrey Van Heest
- Boston University, Departments of Chemistry and Biomedical Engineering, Boston, Massachusetts 02215, United States
| | - Uma M Sachdeva
- Division of Thoracic Surgery, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Eric Bressler
- Boston University, Departments of Chemistry and Biomedical Engineering, Boston, Massachusetts 02215, United States
| | - Jenny Korunes-Miller
- Boston University, Departments of Chemistry and Biomedical Engineering, Boston, Massachusetts 02215, United States
| | - Bassel Tfayli
- Division of Thoracic Surgery, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Aya Tal-Mason
- Division of Thoracic Surgery, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Hussein Kharroubi
- Division of Thoracic Surgery, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Yolonda L Colson
- Division of Thoracic Surgery, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Mark W Grinstaff
- Boston University, Departments of Chemistry and Biomedical Engineering, Boston, Massachusetts 02215, United States
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3
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Oyarzún Y, Ulloa J, Ceballos M, Urbano BF. Dynamic Covalent Boronic-Acid-Functionalized Alginate/PVA Hydrogels for pH and Shear-Responsive Drug Delivery. Gels 2024; 10:504. [PMID: 39195033 DOI: 10.3390/gels10080504] [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: 07/07/2024] [Revised: 07/21/2024] [Accepted: 07/25/2024] [Indexed: 08/29/2024] Open
Abstract
Herein, we investigated hydrogels composed of boronic-acid-functionalized alginate and blended with polyvinyl alcohol (PVA) of different molecular weights to control the release of metoclopramide hydrochloride as a function of pH and shear stress. The functionalization of alginate introduced dynamic covalent bonding and pH-responsive properties that can modulate network connectivity. The study investigated the viscoelastic properties of the hydrogels, their drug release profiles, and their responsiveness to changes in pH and shear forces. The results showed that a higher PVA molecular weight and alkaline pH conditions increased hydrogel viscosity and stiffness due to a more stable and interconnected network structure than acidic pH. Metoclopramide release revealed that the hydrogels exhibited pH-responsive drug release behavior. The drug was more readily released under acidic conditions due to the instability of sp2-hybridized boronate ester bonds. The influence of shear forces on the release of metoclopramide was also investigated at shear rates of 1, 10, and 100 s-1, revealing their effect on matrix stiffening. Research shows that AlgBA/PVA hydrogels have unique properties, such as dynamic covalent bonding, that make them sensitive to external mechanical forces. This sensitivity makes them ideal for applications where physiological conditions trigger drug release.
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Affiliation(s)
- Yessenia Oyarzún
- Departamento de Polímeros, Facultad de Ciencias Químicas, Universidad de Concepción, Concepción 4070386, Chile
| | - José Ulloa
- Departamento de Polímeros, Facultad de Ciencias Químicas, Universidad de Concepción, Concepción 4070386, Chile
| | - Matías Ceballos
- Departamento de Polímeros, Facultad de Ciencias Químicas, Universidad de Concepción, Concepción 4070386, Chile
| | - Bruno F Urbano
- Departamento de Polímeros, Facultad de Ciencias Químicas, Universidad de Concepción, Concepción 4070386, Chile
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4
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Nair A, Chandrashekhar H R, Day CM, Garg S, Nayak Y, Shenoy PA, Nayak UY. Polymeric functionalization of mesoporous silica nanoparticles: Biomedical insights. Int J Pharm 2024; 660:124314. [PMID: 38862066 DOI: 10.1016/j.ijpharm.2024.124314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 05/25/2024] [Accepted: 06/04/2024] [Indexed: 06/13/2024]
Abstract
Mesoporous silica nanoparticles (MSNs) endowed with polymer coatings present a versatile platform, offering notable advantages such as targeted, pH-controlled, and stimuli-responsive drug delivery. Surface functionalization, particularly through amine and carboxyl modification, enhances their suitability for polymerization, thereby augmenting their versatility and applicability. This review delves into the diverse therapeutic realms benefiting from polymer-coated MSNs, including photodynamic therapy (PDT), photothermal therapy (PTT), chemotherapy, RNA delivery, wound healing, tissue engineering, food packaging, and neurodegenerative disorder treatment. The multifaceted potential of polymer-coated MSNs underscores their significance as a focal point for future research endeavors and clinical applications. A comprehensive analysis of various polymers and biopolymers, such as polydopamine, chitosan, polyethylene glycol, polycaprolactone, alginate, gelatin, albumin, and others, is conducted to elucidate their advantages, benefits, and utilization across biomedical disciplines. Furthermore, this review extends its scope beyond polymerization and biomedical applications to encompass topics such as surface functionalization, chemical modification of MSNs, recent patents in the MSN domain, and the toxicity associated with MSN polymerization. Additionally, a brief discourse on green polymers is also included in review, highlighting their potential for fostering a sustainable future.
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Affiliation(s)
- Akhil Nair
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Raghu Chandrashekhar H
- Department of Pharmaceutical Biotechnology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Candace M Day
- UniSA: Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Sanjay Garg
- UniSA: Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Yogendra Nayak
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Padmaja A Shenoy
- Department of Microbiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Usha Y Nayak
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India.
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5
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Zhou X, Wang Y, Ji J, Zhang P. Materials Strategies to Overcome the Foreign Body Response. Adv Healthc Mater 2024; 13:e2304478. [PMID: 38666550 DOI: 10.1002/adhm.202304478] [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: 12/15/2023] [Revised: 04/20/2024] [Indexed: 05/03/2024]
Abstract
The foreign body response (FBR) is an immune-mediated reaction that can occur with most biomaterials and biomedical devices. The FBR initiates a deterioration in the performance of implantable devices, representing a longstanding challenge that consistently hampers their optimal utilization. Over the last decade, significant strides are achieved based on either hydrogel design or surface modifications to mitigate the FBR. This review delves into recent material strategies aimed at mitigating the FBR. Further, the authors look forward to future novel anti-FBR materials from the perspective of clinical translation needs. Such prospective materials hold the potential to attenuate local immune responses, thereby significantly enhancing the overall performance of implantable devices.
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Affiliation(s)
- Xianchi Zhou
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Youxiang Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Jian Ji
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, P. R. China
- State Key Laboratory of Transvascular Implantation Devices, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Rd, Hangzhou, 311202, P. R. China
| | - Peng Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, P. R. China
- State Key Laboratory of Transvascular Implantation Devices, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Rd, Hangzhou, 311202, P. R. China
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6
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Zhang H, Zhou Z, Zhang F, Wan C. Hydrogel-Based 3D Bioprinting Technology for Articular Cartilage Regenerative Engineering. Gels 2024; 10:430. [PMID: 39057453 PMCID: PMC11276275 DOI: 10.3390/gels10070430] [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: 05/13/2024] [Revised: 06/09/2024] [Accepted: 06/21/2024] [Indexed: 07/28/2024] Open
Abstract
Articular cartilage is an avascular tissue with very limited capacity of self-regeneration. Trauma or injury-related defects, inflammation, or aging in articular cartilage can induce progressive degenerative joint diseases such as osteoarthritis. There are significant clinical demands for the development of effective therapeutic approaches to promote articular cartilage repair or regeneration. The current treatment modalities used for the repair of cartilage lesions mainly include cell-based therapy, small molecules, surgical approaches, and tissue engineering. However, these approaches remain unsatisfactory. With the advent of three-dimensional (3D) bioprinting technology, tissue engineering provides an opportunity to repair articular cartilage defects or degeneration through the construction of organized, living structures composed of biomaterials, chondrogenic cells, and bioactive factors. The bioprinted cartilage-like structures can mimic native articular cartilage, as opposed to traditional approaches, by allowing excellent control of chondrogenic cell distribution and the modulation of biomechanical and biochemical properties with high precision. This review focuses on various hydrogels, including natural and synthetic hydrogels, and their current developments as bioinks in 3D bioprinting for cartilage tissue engineering. In addition, the challenges and prospects of these hydrogels in cartilage tissue engineering applications are also discussed.
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Affiliation(s)
- Hongji Zhang
- Key Laboratory of Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (H.Z.); (Z.Z.); (F.Z.)
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Key Laboratory of Regenerative Medicine (Shenzhen Base), Ministry of Education, School of Biomedical Sciences Core Laboratory, Institute of Stem Cell, Genomics and Translational Research, Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China
| | - Zheyuan Zhou
- Key Laboratory of Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (H.Z.); (Z.Z.); (F.Z.)
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Key Laboratory of Regenerative Medicine (Shenzhen Base), Ministry of Education, School of Biomedical Sciences Core Laboratory, Institute of Stem Cell, Genomics and Translational Research, Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China
| | - Fengjie Zhang
- Key Laboratory of Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (H.Z.); (Z.Z.); (F.Z.)
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Key Laboratory of Regenerative Medicine (Shenzhen Base), Ministry of Education, School of Biomedical Sciences Core Laboratory, Institute of Stem Cell, Genomics and Translational Research, Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China
| | - Chao Wan
- Key Laboratory of Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (H.Z.); (Z.Z.); (F.Z.)
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Key Laboratory of Regenerative Medicine (Shenzhen Base), Ministry of Education, School of Biomedical Sciences Core Laboratory, Institute of Stem Cell, Genomics and Translational Research, Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China
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7
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Asadi N, Gharbavi M, Rezaeejam H, Farajollahi A, Johari B. Zinc nanoparticles coated with doxorubicin-conjugated alginate as a radiation sensitizer in triple-negative breast cancer cells. Int J Pharm 2024; 659:124285. [PMID: 38821433 DOI: 10.1016/j.ijpharm.2024.124285] [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: 12/21/2023] [Revised: 05/25/2024] [Accepted: 05/26/2024] [Indexed: 06/02/2024]
Abstract
The main treatment modalities for breast cancer include surgery, chemotherapy, and radiotherapy, and each treatment will bring different side effects. Design and synthesizing a novel nanostructure for chemo-radiotherapy has been proposed as an effective method in consideration to enhance the drug efficiency as well as improve the effect of radiotherapy. This study aimed to synthesize zinc nanoparticles (ZnNPs) coated with alginate conjugated with Doxorubicin (Dox) drug and investigate its effects along with X-irradiation on MDA-MB-231 triple-negative breast cancer cell line. ZnNPs coated with alginate were synthesized and conjugated to Dox by covalent bonding and characterized using various physicochemical tests. A hemolysis test was used to assess blood biocompatibility. The radiosensitization properties and anti-cancer effects of the synthesized nanostructures were tested by cell uptake, cell viability, apoptosis, cell cycle, and scratch assays with and without radiation exposure. The physicochemical characterization results showed that the synthesis of nanostructures was successfully carried out. The obtained results from the cell uptake assay showed the effective absorption of nanostructures by the cells. The Zn@Alg-Dox NPs significantly reduced cell growth, increased apoptosis, inhibited cell migration, and led to the arrest of different cell cycle phases in both conditions with and without X-ray exposure. Coating ZnNPs with alginate and Doxorubicin conjugation leads to an increase the radiation sensitivity in radiotherapy as well as therapeutic efficiency. Therefore, Zn@Alg-Dox NPs can be used as radiosensitizing nanomedicine for in vivo studies in the future.
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Affiliation(s)
- Niloofar Asadi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Medical Physics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahmoud Gharbavi
- Nanotechnology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Department of Anesthesiology, School of Medicine, Pain Research Center, Imam Khomeini Hospital, Ahvaz Jundishapur University of Medical Sciences, Iran
| | - Hamed Rezaeejam
- Department of Radiation Oncology, Vali-e-Asr Hospital, Zanjan University of Medical Sciences, Zanjan, Iran; Department of Radiology, School of Paramedical Sciences, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Alireza Farajollahi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Medical Physics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Radio-oncology Department, Shihid Madani University Hospital, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Behrooz Johari
- Zanjan Pharmaceutical Biotechnology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran; Department of Medical Biotechnology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran.
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8
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Lee J, Kim I, Kang SM. Synergistic Effect of Multilayered Alginate/Poly(SBMA) Coatings on Marine Antifouling Property. Macromol Biosci 2024:e2400130. [PMID: 38923390 DOI: 10.1002/mabi.202400130] [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: 03/20/2024] [Revised: 06/10/2024] [Indexed: 06/28/2024]
Abstract
Alginate (Alg) coatings have attracted attention as protective layers on solid surfaces for marine antifouling applications due to their strong water binding capability and environmentally friendly characteristics. However, the effectiveness of Alg coatings in preventing marine fouling diminishes upon interaction with divalent cations present in seawater. To address this issue, post-modification of the Alg coating is conducted. The carboxyl groups of Alg, which are susceptible sites for interaction with divalent cations, are conjugated with polymerization initiators through metal-mediated coordination bond formation. Subsequently, poly(sulfobetaine methacrylate) (poly(SBMA)) brushes are grown from the initiator-immobilized Alg coatings, resulting in the formation of multilayered Alg/poly(SBMA) coatings. In marine diatom adhesion assays using Amphora Coffeaeformis, multilayered Alg/poly(SBMA) coatings exhibited superior antifouling performance compared to single-layered Alg or poly(SBMA) coating controls.
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Affiliation(s)
- Jinwoo Lee
- Department of Chemistry, Chungbuk National University, Chungbuk, 28644, Republic of Korea
| | - Inho Kim
- Department of Chemistry, Chungbuk National University, Chungbuk, 28644, Republic of Korea
| | - Sung Min Kang
- Department of Chemistry, Chungbuk National University, Chungbuk, 28644, Republic of Korea
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9
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D'Amico V, Lopalco A, Iacobazzi RM, Vacca M, Siragusa S, De Angelis M, Lopedota AA, Denora N. Multistimuli responsive microcapsules produced by the prilling/vibration technique for targeted colonic delivery of probiotics. Int J Pharm 2024; 658:124223. [PMID: 38744413 DOI: 10.1016/j.ijpharm.2024.124223] [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: 02/27/2024] [Revised: 05/09/2024] [Accepted: 05/09/2024] [Indexed: 05/16/2024]
Abstract
This study aimed to microencapsulate the probiotic strain Lactiplantibacillus plantarum 4S6R (basonym Lactobacillus plantarum) in both microcapsules and microspheres by prilling/vibration technique. A specific polymeric mixture, selected for its responsiveness to parallel colonic stimuli, was individuated as a carrier of microparticles. Although the microspheres were consistent with some critical quality parameters, they showed a low encapsulation efficiency and were discarded. The microcapsules produced demonstrated high yields (97.52%) and encapsulation efficiencies (90.06%), with dimensional analysis and SEM studies confirming the desired size morphology and structure. The results of thermal stress tests indicate the ability of the microcapsules to protect the probiotic. Stability studies showed a significant advantage of the microcapsules over non-encapsulated probiotics, with greater stability over time. The release study under simulated gastrointestinal conditions demonstrated the ability of the microcapsules to protect the probiotics from gastric acid and bile salts, ensuring their viability. Examination in a simulated faecal medium revealed the ability of the microcapsules to release the bacteria into the colon, enhancing their beneficial impact on gut health. This research suggests that the selected mixture of reactive polymers holds promise for improving the survival and efficacy of probiotics in the gastrointestinal tract, paving the way for the development of advanced probiotic products.
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Affiliation(s)
- Vita D'Amico
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari "Aldo Moro", 4, E. Orabona Street, 70125 Bari, Italy
| | - Antonio Lopalco
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari "Aldo Moro", 4, E. Orabona Street, 70125 Bari, Italy
| | - Rosa Maria Iacobazzi
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari "Aldo Moro", 4, E. Orabona Street, 70125 Bari, Italy
| | - Mirco Vacca
- Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", 165/A, G. Amendola Street, 70126 Bari, Italy
| | - Sonya Siragusa
- Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", 165/A, G. Amendola Street, 70126 Bari, Italy
| | - Maria De Angelis
- Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", 165/A, G. Amendola Street, 70126 Bari, Italy
| | - Angela Assunta Lopedota
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari "Aldo Moro", 4, E. Orabona Street, 70125 Bari, Italy.
| | - Nunzio Denora
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari "Aldo Moro", 4, E. Orabona Street, 70125 Bari, Italy
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10
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Yan G, Zhou J, Cui X, Liu M, Bai S, Sun J, Tang J, Li K, Liu S. Physicochemical properties and fractal characterizations of the functionalized porous clinoptilolites for controlling alginate delivery in growing cauliflower and leaf mustard. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 211:108694. [PMID: 38714131 DOI: 10.1016/j.plaphy.2024.108694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/12/2024] [Accepted: 04/30/2024] [Indexed: 05/09/2024]
Abstract
Using natural clinoptilolite (NCP) as a carrier and alginate (Alg)-calcium as an active species, the porous silicon calcium alginate nanocomposite (Alg-Ca-NCP) was successfully fabricated via adsorption-covalence-hydrogen bond. Its structural features and physicochemical properties were detailed investigated by various characterizations. The results indicated that Alg-Ca-NCP presented the disordered lamellar structures with approximately uniform particles in size of 300-500 nm. Specially, their surface fractal evolutions between the irregular roughness and dense structures were demonstrated via the SAXS patterns. The results elucidated that the abundant micropores of NCP were beneficial for unrestricted diffusing of Alg-Ca, which was conducive to facilitate a higher loading and sustainable releasing. The Ca content of leaf mustard treated with Alg-Ca-NCP-0.5 was 484.5 mg/100g on the 21st day, higher than that by water (CK) and CaCl2 solution treatments, respectively. Meanwhile, the prepared Alg-Ca-NCPs presented the obvious anti-aging effects on peroxidase drought stress of mustard leaves. These demonstrations provided a simple and effective method to synthesize Alg-Ca-NCPs as delivery nanocomposites, which is useful to improve the weak absorption and low utilization of calcium alginate by plants.
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Affiliation(s)
- Guofu Yan
- Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing, 100124, China
| | - Jiawei Zhou
- Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing, 100124, China
| | - Xueqing Cui
- Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing, 100124, China
| | - Ming Liu
- Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing, 100124, China
| | - Shiyang Bai
- Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing, 100124, China.
| | - Jihong Sun
- Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing, 100124, China.
| | - Jie Tang
- Beijing Leili Marine Bioindustry Inc, Beijing, 100093, China
| | - Kaikai Li
- Beijing Leili Marine Bioindustry Inc, Beijing, 100093, China
| | - Sa Liu
- Beijing Leili Marine Bioindustry Inc, Beijing, 100093, China
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11
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Nakada M, Ishida H, Uchiyama H, Ota R, Ogura T, Namiki Y. Disaggregation and fibrillation during sol-gel transition of alginate hydrogels. Int J Biol Macromol 2024; 269:131890. [PMID: 38692534 DOI: 10.1016/j.ijbiomac.2024.131890] [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: 12/31/2023] [Revised: 03/27/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024]
Abstract
The rheological and morphological characteristics of Ca-crosslinked alginate hydrogels with two different M/G ratios, α-L-guluronate (G)-rich and β-D-mannuronate (M)-rich, each with one alginic acid concentration, were investigated. It was found that the stiffness and elasticity of alginate hydrogels are derived from the thickness and density of the fibril network structures. In aqueous alginate solution, ball-like aggregates of alginates are present. Time-resolved small-angle X-ray scattering and time-domain nuclear magnetic resonance measurements suggest that the disaggregation of alginate aggregates and loose fibrillation occur in the early stage of the sol-gel transition. After these induction stage, direct gelation is finally caused by the formation of the egg-box junction. G-rich alginate hydrogel has a higher stiffness and a thicker and denser fibril network structure than M-rich alginate hydrogel. The former also exhibits faster and more significant changes in physical properties during the sol-gel transition.
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Affiliation(s)
- Masaru Nakada
- Toray Research Center, Inc., 2-11 Sonoyama 3-chome, Otsu 520-8567, Shiga, Japan.
| | - Hiroyuki Ishida
- Toray Research Center, Inc., 2-11 Sonoyama 3-chome, Otsu 520-8567, Shiga, Japan
| | - Hironobu Uchiyama
- Toray Research Center, Inc., 2-11 Sonoyama 3-chome, Otsu 520-8567, Shiga, Japan
| | - Rena Ota
- Toray Research Center, Inc., 2-11 Sonoyama 3-chome, Otsu 520-8567, Shiga, Japan
| | - Toshihiko Ogura
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, Higashi, Tsukuba 305-8566, Ibaraki, Japan
| | - Yusuke Namiki
- KIMICA Corporation, 2-1-1 Yaesu, Chuo-ku, 104-0028 Tokyo, Japan
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12
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Karadeli HH, Kuram E. Single Component Polymers, Polymer Blends, and Polymer Composites for Interventional Endovascular Embolization of Intracranial Aneurysms. Macromol Biosci 2024; 24:e2300432. [PMID: 37992206 DOI: 10.1002/mabi.202300432] [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: 09/22/2023] [Revised: 11/03/2023] [Indexed: 11/24/2023]
Abstract
Intracranial aneurysm is the abnormal focal dilation in brain arteries. When untreated, it can enlarge to rupture points and account for subarachnoid hemorrhage cases. Intracranial aneurysms can be treated by blocking the flow of blood to the aneurysm sac with clipping of the aneurysm neck or endovascular embolization with embolics to promote the formation of the thrombus. Coils or an embolic device are inserted endovascularly into the aneurysm via a micro-catheter to fill the aneurysm. Many embolization materials have been developed. An embolization coil made of soft and thin platinum wire called the "Guglielmi detachable coil" (GDC) enables safer treatment for brain aneurysms. However, patients may experience aneurysm recurrence because of incomplete coil filling or compaction over time. Unsatisfactory recanalization rates and incomplete occlusion are the drawbacks of endovascular embolization. So, the fabrication of new medical devices with less invasive surgical techniques is mandatory to enhance the long-term therapeutic performance of existing endovascular procedures. For this aim, the current article reviews polymeric materials including blends and composites employed for embolization of intracranial aneurysms. Polymeric materials used in embolic agents, their advantages and challenges, results of the strategies used to overcome treatment, and results of clinical experiences are summarized and discussed.
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Affiliation(s)
- Hasan Hüseyin Karadeli
- Department of Neurology, Istanbul Medeniyet University Göztepe Prof. Dr. Süleyman Yalçın City Hospital, Istanbul, 34722, Turkey
| | - Emel Kuram
- Department of Mechanical Engineering, Gebze Technical University, Kocaeli, 41400, Turkey
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13
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Panigrahi SK, Das S, Majumdar S. Unveiling the potentials of hydrophilic and hydrophobic polymers in microparticle systems: Opportunities and challenges in processing techniques. Adv Colloid Interface Sci 2024; 326:103121. [PMID: 38457900 DOI: 10.1016/j.cis.2024.103121] [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: 12/18/2023] [Revised: 02/24/2024] [Accepted: 02/28/2024] [Indexed: 03/10/2024]
Abstract
Conventional drug delivery systems are associated with various shortcomings, including low bioavailability and limited control over release. Biodegradable polymeric microparticles have emerged as versatile carriers in drug delivery systems addressing all these challenges. This comprehensive review explores the dynamic landscape of microparticles, considering the role of hydrophilic and hydrophobic materials. Within the continuously evolving domain of microparticle preparation methods, this review offers valuable insights into the latest advancements and addresses the factors influencing microencapsulation, which is pivotal for harnessing the full potential of microparticles. Exploration of the latest research in this dynamic field unlocks the possibilities of optimizing microencapsulation techniques to produce microparticles of desired characteristics and properties for different applications, which can help contribute to the ongoing evolution in the field of pharmaceutical science.
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Affiliation(s)
- Subrat Kumar Panigrahi
- Department of Chemical Engineering, Indian Institute of Technology, Hyderabad, Telangana 502285, India
| | - Sougat Das
- Department of Chemical Engineering, Indian Institute of Technology, Hyderabad, Telangana 502285, India
| | - Saptarshi Majumdar
- Department of Chemical Engineering, Indian Institute of Technology, Hyderabad, Telangana 502285, India.
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14
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Ximenes LF, Pinheiro HN, Filho JVDA, André WPP, Abreu FOMDS, Cardial MRL, Castelo-Branco DDSCM, Melo ACFL, Lopes FFDS, de Morais SM, de Oliveira LMB, Bevilaqua CML. Effect of the Combination of Synthetic Anthelmintics with Carvacryl Acetate in Emulsions with and without a Sodium Alginate Matrix on Haemonchus contortus. Animals (Basel) 2024; 14:1007. [PMID: 38612246 PMCID: PMC11011019 DOI: 10.3390/ani14071007] [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: 02/18/2024] [Revised: 03/13/2024] [Accepted: 03/16/2024] [Indexed: 04/14/2024] Open
Abstract
The present study aimed to evaluate the effect of nanoemulsions using combined synthetic anthelmintics, thiabendazole (TBZ), levamisole (LEV), and ivermectin (IVM), with carvacryl acetate (CA) against Haemonchus contortus, and also tested the presence and absence of alginate (ALG). The anthelmintic effect of the CA/TBZ nanoemulsion was evaluated in the egg hatch test (EHT). The effects of CA/IVM and CA/LEV nanoemulsions were evaluated in the larval development test (LDT). The emulsions CA/TBZ/ALG and CA/TBZ showed a multimodal profile, with most particles on the nanometric scale. The encapsulation efficiency in CA/TBZ/ALG was 80.25%, and that in CA/LEV/ALG was 89.73%. In the EHT, CA/TBZ and CA/TBZ/ALG showed mean combination indices (CIs) of 0.55 and 0.36, respectively, demonstrating synergism in both. In LDT, CA/IVM had an average CI of 0.75, and CA/LEV and CA/LEV/ALG showed CI values of 0.4 and 0.93, respectively. It was concluded that CA/TBZ showed a synergistic interaction, and CA/TBZ/ALG showed an enhanced effect. In addition, the matrix brought stability to the product, encouraging its improvement to obtain higher efficacy.
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Affiliation(s)
- Livia Furtado Ximenes
- Laboratório de Doenças Parasitárias, Programa de Pós-Graduação em Ciências Veterinárias, Faculdade de Veterinária, Universidade Estadual do Ceará, Fortaleza 60714-903, Ceará, Brazil; (L.F.X.); (J.V.d.A.F.); (W.P.P.A.); (L.M.B.d.O.)
| | - Henety Nascimento Pinheiro
- Laboratório de Química Analítica e Ambiental, Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Ceará, Fortaleza 60714-903, Ceará, Brazil; (H.N.P.); (F.O.M.d.S.A.); (M.R.L.C.)
| | - José Vilemar de Araújo Filho
- Laboratório de Doenças Parasitárias, Programa de Pós-Graduação em Ciências Veterinárias, Faculdade de Veterinária, Universidade Estadual do Ceará, Fortaleza 60714-903, Ceará, Brazil; (L.F.X.); (J.V.d.A.F.); (W.P.P.A.); (L.M.B.d.O.)
| | - Weibson Paz Pinheiro André
- Laboratório de Doenças Parasitárias, Programa de Pós-Graduação em Ciências Veterinárias, Faculdade de Veterinária, Universidade Estadual do Ceará, Fortaleza 60714-903, Ceará, Brazil; (L.F.X.); (J.V.d.A.F.); (W.P.P.A.); (L.M.B.d.O.)
| | - Flávia Oliveira Monteiro da Silva Abreu
- Laboratório de Química Analítica e Ambiental, Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Ceará, Fortaleza 60714-903, Ceará, Brazil; (H.N.P.); (F.O.M.d.S.A.); (M.R.L.C.)
| | - Mayrla Rocha Lima Cardial
- Laboratório de Química Analítica e Ambiental, Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Ceará, Fortaleza 60714-903, Ceará, Brazil; (H.N.P.); (F.O.M.d.S.A.); (M.R.L.C.)
| | | | - Ana Carolina Fonseca Lindoso Melo
- Departamento de Patologia e Medicina Legal, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza 60714-903, Ceará, Brazil; (D.d.S.C.M.C.-B.); (A.C.F.L.M.)
| | - Francisco Flávio da Silva Lopes
- Laboratório de Química de Produtos Naturais, Programa de Pós-Graduação em Ciências Veterinárias, Faculdade de Veterinária, Universidade Estadual do Ceará, Fortaleza 60714-903, Ceará, Brazil; (F.F.d.S.L.); (S.M.d.M.)
| | - Selene Maia de Morais
- Laboratório de Química de Produtos Naturais, Programa de Pós-Graduação em Ciências Veterinárias, Faculdade de Veterinária, Universidade Estadual do Ceará, Fortaleza 60714-903, Ceará, Brazil; (F.F.d.S.L.); (S.M.d.M.)
| | - Lorena Mayana Beserra de Oliveira
- Laboratório de Doenças Parasitárias, Programa de Pós-Graduação em Ciências Veterinárias, Faculdade de Veterinária, Universidade Estadual do Ceará, Fortaleza 60714-903, Ceará, Brazil; (L.F.X.); (J.V.d.A.F.); (W.P.P.A.); (L.M.B.d.O.)
| | - Claudia Maria Leal Bevilaqua
- Laboratório de Doenças Parasitárias, Programa de Pós-Graduação em Ciências Veterinárias, Faculdade de Veterinária, Universidade Estadual do Ceará, Fortaleza 60714-903, Ceará, Brazil; (L.F.X.); (J.V.d.A.F.); (W.P.P.A.); (L.M.B.d.O.)
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15
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Kusjuriansah K, Rodhiyah M, Syifa NA, Luthfianti HR, Waresindo WX, Hapidin DA, Suciati T, Edikresnha D, Khairurrijal K. Composite Hydrogel of Poly(vinyl alcohol) Loaded by Citrus hystrix Leaf Extract, Chitosan, and Sodium Alginate with In Vitro Antibacterial and Release Test. ACS OMEGA 2024; 9:13306-13322. [PMID: 38524413 PMCID: PMC10955567 DOI: 10.1021/acsomega.3c10143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/30/2024] [Accepted: 02/20/2024] [Indexed: 03/26/2024]
Abstract
Citrus hystrix leaves have been used traditionally as a spice, a traditional medicine for respiratory and digestive disorders, and a remedy for bacterial infections. This study reports on the synthesis of composite hydrogels using the freeze-thaw method with poly(vinyl alcohol) (PVA) as the building block loaded by C. hystrix leaf extract (CHLE). Additionally, chitosan (CS) and sodium alginate (SA) were also loaded, respectively, to increase the antibacterial activity and to control the extract release of the composite hydrogels. The combinations of the compositions were PVA, PVA/CHLE, PVA/CHLE/CS, PVA/CHLE/SA, and PVA/CHLE/SA/CS. The internal morphology of the hydrogels shows some changes after the PVA/CHLE hydrogel was loaded by CS, SA, and SA/CS. The analysis of the Fourier transform infrared (FTIR) spectra confirmed the presence of PVA, CHLE, CS, and SA in the composite hydrogels. From the X-ray diffraction (XRD) characterization, it was shown that the composite hydrogels maintained their semicrystalline properties with decreasing crystallinity degree after being loaded by CS, SA, and SA/CS, as also supported by differential scanning calorimetry (DSC) characterization. The compressive strength of the PVA/CHLE hydrogel decreases after the loading of CS, SA, and SA/CS, so that it becomes more elastic. Despite being loaded in the composite hydrogels, the CHLE retained its antibacterial activity, as evidenced in the in vitro antibacterial test. The loading of CS succeeded in increasing the antibacterial activity of the composite hydrogels, while the loading of SA resulted in the decrease of the antibacterial activity. The release of extract from the composite hydrogels was successfully slowed down after the loading of CS, SA, and SA/CS, resulting in a controlled release following the pseudo-Fickian diffusion. The cytotoxic activity test proved that all hydrogel samples can be used safely on normal cells up to concentrations above 1000 μg/mL.
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Affiliation(s)
- Kusjuriansah Kusjuriansah
- Department
of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
| | - Marathur Rodhiyah
- Department
of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
| | - Nabila Asy Syifa
- Doctoral
Program of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
| | - Halida Rahmi Luthfianti
- Doctoral
Program of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
| | - William Xaveriano Waresindo
- Doctoral
Program of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
| | - Dian Ahmad Hapidin
- Department
of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
| | - Tri Suciati
- Department
of Pharmaceutics, School of Pharmacy, Institut
Teknologi Bandung, Jalan
Ganesa 10, Bandung 40132, Indonesia
| | - Dhewa Edikresnha
- Department
of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
- University
Center of Excellence—Nutraceutical, Bioscience and Biotechnology
Research Center, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
| | - Khairurrijal Khairurrijal
- Department
of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
- University
Center of Excellence—Nutraceutical, Bioscience and Biotechnology
Research Center, Institut Teknologi Bandung, Jalan Ganesa 10, Bandung 40132, Indonesia
- Department
of Physics, Faculty of Sciences, Institut
Teknologi Sumatera, Jl.
Terusan Ryacudu, Lampung 35365, Indonesia
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16
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Santana I, Felix M, Bengoechea C. Feasibility of Invasive Brown Seaweed Rugulopteryx okamurae as Source of Alginate: Characterization of Products and Evaluation of Derived Gels. Polymers (Basel) 2024; 16:702. [PMID: 38475385 DOI: 10.3390/polym16050702] [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: 01/09/2024] [Revised: 02/25/2024] [Accepted: 02/28/2024] [Indexed: 03/14/2024] Open
Abstract
Rugulopteryx okamurae (RO) is an invasive brown seaweed that causes severe environmental problems in the Mediterranean Sea. This work proposed an extraction method that enables their use as a raw material for producing sodium alginate. Alginate was successfully extracted from this invasive seaweed, with its gelling performance in the presence of Ca2+ ions comparable to existing commercial alginates. The mannuronic acid (M)-to-guluronic (G) acid ratio in the 1H-NMR profile indicated a higher percentage of G in the RO-extracted alginate, which implies a greater formation of so-called egg box structures. These differences resulted in their different rheological behaviour, as sodium alginate aqueous solutions exhibited a greater viscosity (η at 1 s-1 = 3.8 ± 0.052 Pa·s) than commercial alginate (2.8 ± 0.024 Pa·s), which is related to the egg box structure developed. When gelled in the presence of calcium, an increase in the value of the elastic modulus was observed. However, the value of the tan δ for the extracted alginate was lower than that of commercial alginate gels, confirming a structure more densely packed, which implies a different restructuring of the alginate chain when gelling. These results confirm the suitability of using invasive Rugulopteryx okamurae as a source of calcium alginate gels. In this way, sustainable bio-based materials may be produced from undesired biomass that currently poses a threat to the ecosystem.
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Affiliation(s)
- Ismael Santana
- Escuela Politécnica Superior, Universidad de Sevilla, Calle Virgen de África, 7, 41011 Sevilla, Spain
| | - Manuel Felix
- Escuela Politécnica Superior, Universidad de Sevilla, Calle Virgen de África, 7, 41011 Sevilla, Spain
| | - Carlos Bengoechea
- Escuela Politécnica Superior, Universidad de Sevilla, Calle Virgen de África, 7, 41011 Sevilla, Spain
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17
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Alkufi H, Ibrahim SL, Hussein LS. The influence of natural polymers on loratadine's solubility and dissolution profiles. J Med Life 2024; 17:305-308. [PMID: 39044927 PMCID: PMC11262610 DOI: 10.25122/jml-2023-0529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 02/13/2024] [Indexed: 07/25/2024] Open
Abstract
Second-generation tricyclic H1 antihistamine loratadine (LTD) has a high permeability, low water solubility, and an oral absorption rate dependent on the rate at which it dissolves in the gastrointestinal tract. One approach suggested for improving the drug's solubility and rate of dissolution is natural solid dispersion (NSD). The present study evaluated the use of hydrophilic natural polymers, sodium alginate (SA), hyaluronic acid (HA), and xyloglucan (XG), in natural solid dispersion to enhance LTD solubility and dissolution rate. A total of 12 formulations comprising varied drug-to-polymer ratios were produced and analyzed for percentage yield, water solubility, and in vitro dissolution rate. The solubility of LTD was improved in all formulations. Excellent results were achieved with NSD1 (LTD: SA 1:0.25), with a high yield (99%), superior solubility (0.187) compared to pure loratadine (0.0021), and a speedy dissolution rate (98%) within 30 minutes. These studies suggest natural polymers like SA, HA, and XG can considerably increase LTD solubility. When introduced into NSD, these polymers effectively augment LTD dissolving rates, presenting attractive prospects for better bioavailability and therapeutic efficacy.
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Affiliation(s)
- Hussein Alkufi
- Department of Pharmacognosy, College of Pharmacy, University of Thi-Qar, Nasiriyah, Iraq
| | - Suad Lateef Ibrahim
- Department of Clinical Laboratory Science, College of Pharmacy, University of Kufa, Kufa, Iraq
| | - Lina Salim Hussein
- Department of Pharmacognosy, College of Pharmacy, University of Thi-Qar, Nasiriyah, Iraq
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18
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Bardajee GR, Ghadimkhani R, Jafarpour F. A biocompatible double network hydrogel based on poly (acrylic acid) grafted onto sodium alginate for doxorubicin hydrochloride anticancer drug release. Int J Biol Macromol 2024; 260:128871. [PMID: 38123038 DOI: 10.1016/j.ijbiomac.2023.128871] [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: 10/09/2023] [Revised: 12/03/2023] [Accepted: 12/16/2023] [Indexed: 12/23/2023]
Abstract
This study involved the synthesis of a new biocompatible slow-release hydrogel named poly (acrylic acid) grafted onto sodium alginate (poly (AA-g-SA)) double network hydrogel (DNH). The hydrogel was created by polymerization of acrylic acid grafted onto sodium alginate polysaccharide using crosslinkers N,N'-methylenebisacrylamide and calcium chloride via free radical polymerization. The water absorbency of the poly (AA-g-SA) double network hydrogel was improved by optimizing the quantities of ammonium persulfate initiator, pH-sensitive monomer of acrylic acid, and crosslinkers. Various analytical techniques including attenuated total reflection Fourier-transformed infrared (ATR-FTIR), X-ray diffraction analysis (XRD), X-ray photoelectron spectroscopy (XPS), thermal gravimetric analysis (TGA), field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HRTEM), atomic force microscopy (AFM), and Brunauer-Emmett-Teller specific surface area analysis (BET) were used to characterize the synthesized hydrogels. The swelling and on-off switching behaviors of the hydrogels were investigated in deionized (DI) water at different temperatures and pH values. The optimum poly (AA-g-SA) DNH was tested for in vitro release of a hydrophilic chemotherapeutic drug, doxorubicin hydrochloride (DOX). The eco-friendly hydrogel favorably optimized the DOX slow release owing to its swelling rate, high absorption and regeneration capabilities. The findings of this study may have significant implications for medical and scientific research.
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Affiliation(s)
| | - Roghieh Ghadimkhani
- Department of Chemistry, Payame Noor University, PO BOX 19395-3697, Tehran, Iran
| | - Farnaz Jafarpour
- School of Chemistry, College of Science, University of Tehran, 14155-6455, Tehran, Iran
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19
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Marchetti L, Truzzi E, Rossi MC, Benvenuti S, Cappellozza S, Saviane A, Bogataj L, Siligardi C, Bertelli D. Alginate-Based Carriers Loaded with Mulberry ( Morus alba L.) Leaf Extract: A Promising Strategy for Prolonging 1-Deoxynojirimicyn (DNJ) Systemic Activity for the Nutraceutical Management of Hyperglycemic Conditions. Molecules 2024; 29:797. [PMID: 38398549 PMCID: PMC10892242 DOI: 10.3390/molecules29040797] [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: 11/09/2023] [Revised: 11/30/2023] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
The iminosugar 1-deoxynojirimicyn (DNJ) contained in mulberry leaves has displayed systemic beneficial effects against disorders of carbohydrate metabolism. Nevertheless, its effect is impaired by the short half-life. Alginate-based carriers were developed to encapsulate a DNJ-rich mulberry extract: Ca-alginate beads, obtained by external gelation, and spray-dried alginate microparticles (SDMs). Mean size and distribution, morphology, drug loading, encapsulation efficiency, experimental yield, and release characteristics were determined for the two formulations. Ca-alginate beads and SDMs exhibited an encapsulation efficiency of about 54% and 98%, respectively, and a DNJ loading in the range of 0.43-0.63 μg/mg. The in vitro release study demonstrated the carriers' capability in controlling the DNJ release in acid and basic conditions (<50% in 5 h), due to electrostatic interactions, which were demonstrated by 1H-NMR relaxometry studies. Thus, alginate-based particles proved to be promising strategies for producing food supplements containing mulberry leaf extracts for the management of hyperglycemic state.
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Affiliation(s)
- Lucia Marchetti
- Department of Life Sciences, University of Modena and Reggio Emilia, Via G. Campi 103, 41125 Modena, Italy; (L.M.); (S.B.)
| | - Eleonora Truzzi
- Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, Via G. Campi 103, 41125 Modena, Italy
| | - Maria Cecilia Rossi
- Centro Interdipartimentale Grandi Strumenti, University of Modena and Reggio Emilia, Via G. Campi 213/A, 41125 Modena, Italy;
| | - Stefania Benvenuti
- Department of Life Sciences, University of Modena and Reggio Emilia, Via G. Campi 103, 41125 Modena, Italy; (L.M.); (S.B.)
| | - Silvia Cappellozza
- Council for Agricultural Research and Economics, Research Centre for Agriculture and Environment (CREA-AA), Via Eulero, 6a, 35143 Padova, Italy; (S.C.); (A.S.); (L.B.)
| | - Alessio Saviane
- Council for Agricultural Research and Economics, Research Centre for Agriculture and Environment (CREA-AA), Via Eulero, 6a, 35143 Padova, Italy; (S.C.); (A.S.); (L.B.)
| | - Luca Bogataj
- Council for Agricultural Research and Economics, Research Centre for Agriculture and Environment (CREA-AA), Via Eulero, 6a, 35143 Padova, Italy; (S.C.); (A.S.); (L.B.)
| | - Cristina Siligardi
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, 41125 Modena, Italy;
| | - Davide Bertelli
- Department of Life Sciences, University of Modena and Reggio Emilia, Via G. Campi 103, 41125 Modena, Italy; (L.M.); (S.B.)
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20
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Akbari A, Emamzadeh R, Nazari M, Brandstetter T, Rühe J. Enhancing protein delivery for tissue regeneration: Development of AGR2-loaded hydrogels with controlled release properties. Int J Biol Macromol 2024; 259:128846. [PMID: 38141714 DOI: 10.1016/j.ijbiomac.2023.128846] [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: 08/05/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 12/25/2023]
Abstract
The growth factor Anterior Gradient 2 (AGR2) has been shown to have an effective role in tissue regeneration, but remained largely unexplored in localized tissue engineering applications. Alginate beads have been proven as safe carriers for protein encapsulation, but they suffer from fragility and uncontrolled protein release. For such alginate systems, little is known about how changes in concentrations and ion-crosslinking affect protein release and accumulation in 3-D matrices. To address these questions, an engineered interpenetrating polymer network (IPN) has been used to synthesize a novel hybrid system consisting of AGR2 loaded beads composed of calcium-crosslinked sodium alginate (SA) and carboxymethyl cellulose (CMC). These beads are embedded in films consisting of SA and polyvinyl alcohol (PVA), using a simple ion gelation technique. We assess protein release kinetics and accumulation within the hybrid system by varying polymer concentrations and cross-linking parameters. The IPN hybrid system maintains controlled release over two weeks, without an initial burst period. Through this approach efficicnt delivery of AGR2 is achieved which in turn effectively mediates cell migration and proliferation, resulting in excellent cell viability and complete wound closure. The described release system opens new perspectives in tissue engineering.
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Affiliation(s)
- Atefeh Akbari
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran; Department of Microsystems Engineering, University of Freiburg, Georges-Köhler-Allee 103, 79110 Freiburg, Germany
| | - Rahman Emamzadeh
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran.
| | - Mahboobeh Nazari
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences, Tehran, Iran; Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Thomas Brandstetter
- Department of Microsystems Engineering, University of Freiburg, Georges-Köhler-Allee 103, 79110 Freiburg, Germany
| | - Jürgen Rühe
- Department of Microsystems Engineering, University of Freiburg, Georges-Köhler-Allee 103, 79110 Freiburg, Germany.
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21
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Singh N, Anand SK, Sharma A, Singh S, Kakkar P, Srivastava V. Chitosan/alginate nanogel potentiate berberine uptake and enhance oxidative stress mediated apoptotic cell death in HepG2 cells. Int J Biol Macromol 2024; 257:128717. [PMID: 38081485 DOI: 10.1016/j.ijbiomac.2023.128717] [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: 07/10/2023] [Revised: 11/21/2023] [Accepted: 12/08/2023] [Indexed: 12/18/2023]
Abstract
Biopolymer-based nanoscale drug delivery systems have become a promising approach to overcome the limitations associated with conventional chemotherapeutics used for cancer treatment. Herein, we reported to develop a hydrophilic nanogel (NG) composed of Chitosan (Chi) and sodium alginate (Alg) using the ion gelation method for delivering Berberine hydrochloride (BBR), an alkaloid obtained from Berberis aristata roots. The use of different nanocarriers for BBR delivery has been reported previously, but the bioavailability of these carriers was limited due to phagocytic uptake and poor systemic delivery. The developed NG showed enhanced stability and efficient entrapment of BBR ∼92 %, resulting in a significant increase in bioavailability. The pH-dependent release behavior demonstrated sustained and effective release of ∼86 %, ∼74 % and, ∼53 % BBR at pH 5.5, 6.6, and 7.4 respectively after 72h, indicating its potential as a drug carrier. Additionally, the cellular uptake of BBR was significantly higher ∼19 % in the BBR-NG (25 μM) than in bulk BBR (100 μM), leading to enhanced ROS generation, mitochondrial depolarisation, and inhibition of cell proliferation and colony formation in HepG2 cells. In summary, the results suggest that the Chi/Alg biopolymer-based nano-formulation could be an effective approach for delivering BBR and enhancing its cellular uptake, efficacy, and cytotoxicity.
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Affiliation(s)
- Neha Singh
- CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow-226 001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Sumit Kumar Anand
- CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow-226 001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India; Department of Pathology and Translational Pathobiology, LSU Health, Shreveport, LA-71103, USA
| | - Ankita Sharma
- CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow-226 001, Uttar Pradesh, India; Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Raebareli, Bijnor-Sisendi Road, Post Office Mati, Lucknow 226002, India
| | - Sukhveer Singh
- CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow-226 001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Poonam Kakkar
- CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow-226 001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India.
| | - Vikas Srivastava
- CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow-226 001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India.
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22
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Trucillo P. Biomaterials for Drug Delivery and Human Applications. MATERIALS (BASEL, SWITZERLAND) 2024; 17:456. [PMID: 38255624 PMCID: PMC10817481 DOI: 10.3390/ma17020456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024]
Abstract
Biomaterials embody a groundbreaking paradigm shift in the field of drug delivery and human applications. Their versatility and adaptability have not only enriched therapeutic outcomes but also significantly reduced the burden of adverse effects. This work serves as a comprehensive overview of biomaterials, with a particular emphasis on their pivotal role in drug delivery, classifying them in terms of their biobased, biodegradable, and biocompatible nature, and highlighting their characteristics and advantages. The examination also delves into the extensive array of applications for biomaterials in drug delivery, encompassing diverse medical fields such as cancer therapy, cardiovascular diseases, neurological disorders, and vaccination. This work also explores the actual challenges within this domain, including potential toxicity and the complexity of manufacturing processes. These challenges emphasize the necessity for thorough research and the continuous development of regulatory frameworks. The second aim of this review is to navigate through the compelling terrain of recent advances and prospects in biomaterials, envisioning a healthcare landscape where they empower precise, targeted, and personalized drug delivery. The potential for biomaterials to transform healthcare is staggering, as they promise treatments tailored to individual patient needs, offering hope for improved therapeutic efficacy, fewer side effects, and a brighter future for medical practice.
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Affiliation(s)
- Paolo Trucillo
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, Piazzale V. Tecchio, 80, 80125 Naples, Italy
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23
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Barfar A, Alizadeh H, Masoomzadeh S, Javadzadeh Y. Oral Insulin Delivery: A Review on Recent Advancements and Novel Strategies. Curr Drug Deliv 2024; 21:887-900. [PMID: 37202888 DOI: 10.2174/1567201820666230518161330] [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: 01/27/2023] [Revised: 03/24/2023] [Accepted: 04/10/2023] [Indexed: 05/20/2023]
Abstract
BACKGROUND Due to the lifestyle of people in the community in recent years, the prevalence of diabetes mellitus has increased, so New drugs and related treatments are also being developed. INTRODUCTION One of the essential treatments for diabetes today is injectable insulin forms, which have their problems and limitations, such as invasive and less admission of patients and high cost of production. According to the mentioned issues, Theoretically, Oral insulin forms can solve many problems of injectable forms. METHODS Many efforts have been made to design and introduce Oral delivery systems of insulin, such as lipid-based, synthetic polymer-based, and polysaccharide-based nano/microparticle formulations. The present study reviewed these novel formulations and strategies in the past five years and checked their properties and results. RESULTS According to peer-reviewed research, insulin-transporting particles may preserve insulin in the acidic and enzymatic medium and decrease peptide degradation; in fact, they could deliver appropriate insulin levels to the intestinal environment and then to blood. Some of the studied systems increase the permeability of insulin to the absorption membrane in cellular models. In most investigations, in vivo results revealed a lower ability of formulations to reduce BGL than subcutaneous form, despite promising results in in vitro and stability testing. CONCLUSION Although taking insulin orally currently seems unfeasible, future systems may be able to overcome mentioned obstacles, making oral insulin delivery feasible and producing acceptable bioavailability and treatment effects in comparison to injection forms.
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Affiliation(s)
- Ashkan Barfar
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Helia Alizadeh
- Pharm.D Student, Pharmacy Faculty, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Salar Masoomzadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yousef Javadzadeh
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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24
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Neethu Das P, Govind Raj K. Chitosan coated graphene oxide incorporated sodium alginate hydrogel beads for the controlled release of amoxicillin. Int J Biol Macromol 2024; 254:127837. [PMID: 37923036 DOI: 10.1016/j.ijbiomac.2023.127837] [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: 06/23/2023] [Revised: 10/26/2023] [Accepted: 10/31/2023] [Indexed: 11/07/2023]
Abstract
Biopolymers are crucial in pharmaceuticals, particularly for controlled drug release. In this study, we loaded the broad-spectrum antibacterial drug amoxicillin into sodium alginate, a well-known biopolymer. Graphene oxide was incorporated into the composite, and the hydrogel beads were coated with chitosan for its mucoadhesive properties. Various composites were formulated by adjusting the weight percentage of graphene oxide (GO). The fabricated beads demonstrated controlled and sustained drug release, with 98 % of the loaded drug molecules released over 24 h at gastric pH. The antibacterial test using the disc diffusion technique confirmed the drug release, exhibiting greater effectiveness against the gram-positive bacterium S. aureus than the gram-negative bacterium E. coli. The drug release data were optimized using zero order, first order, Higuchi, and Korsmeyer-Peppas models. The experimental data were best fit to the Korsmeyer-Peppas model with a relatively higher correlation coefficient value. Biocompatibility was evaluated through a cell viability test using mouse fibroblast cell lines (L929). The MTT viability assay confirmed high levels of cytocompatibility, even at higher concentrations (100 μg/mL), with 98.15 % viable cells. These results highlight the potential of the fabricated beads as an effective amoxicillin drug delivery system with biomedical applications.
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Affiliation(s)
- P Neethu Das
- Department of Chemistry, Malabar Christian College, Calicut, Kerala 673001, India
| | - K Govind Raj
- Department of Chemistry, Malabar Christian College, Calicut, Kerala 673001, India.
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25
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Attia L, Chen LH, Doyle PS. Orthogonal Gelations to Synthesize Core-Shell Hydrogels Loaded with Nanoemulsion-Templated Drug Nanoparticles for Versatile Oral Drug Delivery. Adv Healthc Mater 2023; 12:e2301667. [PMID: 37507108 DOI: 10.1002/adhm.202301667] [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: 06/23/2023] [Revised: 07/24/2023] [Indexed: 07/30/2023]
Abstract
Hydrophobic active pharmaceutical ingredients (APIs) are ubiquitous in the drug development pipeline, but their poor bioavailability often prevents their translation into drug products. Industrial processes to formulate hydrophobic APIs are expensive, difficult to optimize, and not flexible enough to incorporate customizable drug release profiles into drug products. Here, a novel, dual-responsive gelation process that exploits orthogonal thermo-responsive and ion-responsive gelations is introduced. This one-step "dual gelation" synthesizes core-shell (methylcellulose-alginate) hydrogel particles and encapsulates drug-laden nanoemulsions in the hydrogel matrices. In situ crystallization templates drug nanocrystals inside the polymeric core, while a kinetically stable amorphous solid dispersion is templated in the shell. Drug release is explored as a function of particle geometry, and programmable release is demonstrated for various therapeutic applications including delayed pulsatile release and sequential release of a model fixed-dose combination drug product of ibuprofen and fenofibrate. Independent control over drug loading between the shell and the core is demonstrated. This formulation approach is shown to be a flexible process to develop drug products with biocompatible materials, facile synthesis, and precise drug release performance. This work suggests and applies a novel method to leverage orthogonal gel chemistries to generate functional core-shell hydrogel particles.
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Affiliation(s)
- Lucas Attia
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Liang-Hsun Chen
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Patrick S Doyle
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
- Campus for Research Excellence and Technological Enterprise, Singapore, 138602, Singapore
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26
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Ding R, Zhang M, Zhu Q, Qu Y, Jia X, Yin L. Curcumin loaded Zein-alginate nanogels with "core-shell" structure: formation, characterization and simulated digestion. Int J Biol Macromol 2023; 251:126201. [PMID: 37562470 DOI: 10.1016/j.ijbiomac.2023.126201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/22/2023] [Accepted: 08/05/2023] [Indexed: 08/12/2023]
Abstract
Zein nanoparticles tend to aggregate in water and are readily digested by enzymes in the gastrointestinal tract. In current study, the Zein-alginate nanogels loaded with curcumin (Cur@ZA) were fabricated with the "core-shell" structure. The Zein "core" was prepared via antisolvent precipitation method, and the alginate gel "shell" was formed by calcium-induced gelation method. The physicochemical properties, microstructure, encapsulation efficiency, stability and simulated digestion characteristics of nanogels were investigated. The results showed that Cur@ZA formed uniform gel spheres with small particle size (415.10 nm), while possessing a dense gel shell on the surface. The Zein "core" and alginate gel "shell" of Cur@ZA are tightly bound to each other by electrostatic adsorption, hydrophobic interaction and hydrogen bonding. Curcumin was able to be loaded in the Cur@ZA nanogels with a higher encapsulation rate (>92 %). Compared with the system which was not induced by calcium ion, the addition of calcium ions improved the photostability and thermal stability of curcumin, and facilitated slow and sustained release of curcumin in the simulated digestion. Therefore, this novel nanogel delivery system has the ideal physicochemical properties, stability and control-release ability, which has the potential to be used in the food industry.
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Affiliation(s)
- Ran Ding
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, 100083, China
| | - Minghao Zhang
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, 100083, China
| | - Qiaomei Zhu
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yuanyuan Qu
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, 100083, China
| | - Xin Jia
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, 100083, China
| | - Lijun Yin
- College of Food Science & Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, 100083, China.
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27
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Wang J, Wang T, Liu H, Wang K, Moses K, Feng Z, Li P, Huang W. Flexible Electrodes for Brain-Computer Interface System. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2211012. [PMID: 37143288 DOI: 10.1002/adma.202211012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 04/27/2023] [Indexed: 05/06/2023]
Abstract
Brain-computer interface (BCI) has been the subject of extensive research recently. Governments and companies have substantially invested in relevant research and applications. The restoration of communication and motor function, the treatment of psychological disorders, gaming, and other daily and therapeutic applications all benefit from BCI. The electrodes hold the key to the essential, fundamental BCI precondition of electrical brain activity detection and delivery. However, the traditional rigid electrodes are limited due to their mismatch in Young's modulus, potential damages to the human body, and a decline in signal quality with time. These factors make the development of flexible electrodes vital and urgent. Flexible electrodes made of soft materials have grown in popularity in recent years as an alternative to conventional rigid electrodes because they offer greater conformance, the potential for higher signal-to-noise ratio (SNR) signals, and a wider range of applications. Therefore, the latest classifications and future developmental directions of fabricating these flexible electrodes are explored in this paper to further encourage the speedy advent of flexible electrodes for BCI. In summary, the perspectives and future outlook for this developing discipline are provided.
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Affiliation(s)
- Junjie Wang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi, 710072, P. R. China
| | - Tengjiao Wang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi, 710072, P. R. China
| | - Haoyan Liu
- Department of Computer Science & Computer Engineering (CSCE), University of Arkansas, Fayetteville, AR, 72701, USA
| | - Kun Wang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi, 710072, P. R. China
| | - Kumi Moses
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi, 710072, P. R. China
| | - Zhuoya Feng
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi, 710072, P. R. China
| | - Peng Li
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi, 710072, P. R. China
| | - Wei Huang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) & Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, Shaanxi, 710072, P. R. China
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28
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Li Y, Yang G, Wang Y, Li Y, Zhang S, Li R, Yang L, Wang J, Pei X, Wan Q, Chen J. Osteoimmunity-regulating nanosilicate-reinforced hydrogels for enhancing osseointegration. J Mater Chem B 2023; 11:9933-9949. [PMID: 37822156 DOI: 10.1039/d3tb01509b] [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: 10/13/2023]
Abstract
Following the introduction of osteo-immunomodulation as a new and important strategy to enhance material osseointegration, achieving an appropriate immune response after biomaterial implantation has become a significant challenge for efficient bone repair. In this study, a nanosilicate-reinforced sodium alginate (SA) hydrogel was fabricated by introducing montmorillonite (MMT) nanoparticles. Meanwhile, an immunogenically bioactive agent, harmine (HM), was loaded and released to induce macrophage differentiation into the M2 type. The fabricated SA/MMT/HM (SMH) hydrogel exhibited improved mechanical stiffness and stability, which also efficiently promoted macrophage anti-inflammatory M2 phenotype polarization and enhanced the secretion of pro-tissue healing cytokines for inducing a favorable immunomodulatory microenvironment for the osteogenic differentiation of bone marrow stromal cells (BMSCs). Furthermore, a rat air-pouch model and a critical-size bone defect model were used and the results showed that the SMH hydrogel increased the proportion of M2 macrophages and markedly reduced local inflammation, while enhancing desirable new bone formation. Transcriptomic analysis revealed that the SMH hydrogel accelerated the M1-to-M2 transition of macrophages by inhibiting relevant inflammatory signaling pathways and activating the PI3K-AKT1 signaling pathway. Taken together, this high-intensity immunomodulatory hydrogel may be a promising biomaterial for bone regeneration and provide a valuable base and positive enlightenment for massive bone defect repair.
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Affiliation(s)
- Yuanyuan Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
- Department of Preventive Dentistry, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Guangmei Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
| | - Yuting Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
| | - Yahong Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
| | - Shu Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
| | - Ruyi Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
| | - Linxin Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
| | - Jian Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
| | - Xibo Pei
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
| | - Qianbing Wan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
| | - Junyu Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chengdu 610041, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, South Peoples Road, Chengdu 610041, China
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29
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Zhao L, Zhou Y, Zhang J, Liang H, Chen X, Tan H. Natural Polymer-Based Hydrogels: From Polymer to Biomedical Applications. Pharmaceutics 2023; 15:2514. [PMID: 37896274 PMCID: PMC10610124 DOI: 10.3390/pharmaceutics15102514] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/13/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
Hydrogels prepared from natural polymer have attracted extensive attention in biomedical fields such as drug delivery, wound healing, and regenerative medicine due to their good biocompatibility, degradability, and flexibility. This review outlines the commonly used natural polymer in hydrogel preparation, including cellulose, chitosan, collagen/gelatin, alginate, hyaluronic acid, starch, guar gum, agarose, and dextran. The polymeric structure and process/synthesis of natural polymers are illustrated, and natural polymer-based hydrogels including the hydrogel formation and properties are elaborated. Subsequently, the biomedical applications of hydrogels based on natural polymer in drug delivery, tissue regeneration, wound healing, and other biomedical fields are summarized. Finally, the future perspectives of natural polymers and hydrogels based on them are discussed. For natural polymers, novel technologies such as enzymatic and biological methods have been developed to improve their structural properties, and the development of new natural-based polymers or natural polymer derivatives with high performance is still very important and challenging. For natural polymer-based hydrogels, novel hydrogel materials, like double-network hydrogel, multifunctional composite hydrogels, and hydrogel microrobots have been designed to meet the advanced requirements in biomedical applications, and new strategies such as dual-cross-linking, microfluidic chip, micropatterning, and 3D/4D bioprinting have been explored to fabricate advanced hydrogel materials with designed properties for biomedical applications. Overall, natural polymeric hydrogels have attracted increasing interest in biomedical applications, and the development of novel natural polymer-based materials and new strategies/methods for hydrogel fabrication are highly desirable and still challenging.
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Affiliation(s)
- Lingling Zhao
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Yifan Zhou
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Jiaying Zhang
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
- Center for Child Care and Mental Health (CCCMH), Shenzhen Children’s Hospital, Shenzhen 518038, China
| | - Hongze Liang
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Xianwu Chen
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315211, China
| | - Hui Tan
- Center for Child Care and Mental Health (CCCMH), Shenzhen Children’s Hospital, Shenzhen 518038, China
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30
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Godefroid J, Bouttes D, Marcellan A, Barthel E, Monteux C. Surface stress and shape relaxation of gelling droplets. SOFT MATTER 2023; 19:7787-7795. [PMID: 37791988 DOI: 10.1039/d3sm00533j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Solidification is a heterogeneous transformation from liquid to solid, which usually combines transport, phase transition and mechanical strain. Predicting the shapes resulting from such a complex process is fascinating and has a wide range of implications from morphogenesis in biological tissues to industrial processes. For soft solids initially at equilibrium, elastic stresses, whether tensile or compressive, can be induced by heterogeneous volumetric deformations of the material. These stresses trigger surface instabilities leading to variations of curvature and shape of the solids. In this article, we study the shape evolution of elongated droplets of polymer and particle suspensions undergoing a solidification process caused by the inward diffusion of a gelling agent from the surface. We show experimentally and numerically that there appears a layer of gelled material growing at the surface. Due to volume contraction, this layer induces tensile stresses and drives a flow in the ungelled liquid core, resulting in the relaxation of the droplets toward spherical shapes. Over time, the thickness of this elastic membrane grows, hence the bending stiffness required to change its shape eventually balances the surface stresses, which arrests the relaxation process. These results provide general rules to understand the shape of solidifying materials combining both tension and bending driven deformations.
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Affiliation(s)
- J Godefroid
- Soft Matter Science and Engineering, ESPCI Paris, PSL Research, CNRS, Sorbonne Université, 75005 Paris, France.
- Saint-Gobain Research Provence, Cavaillon, France
| | - D Bouttes
- Saint-Gobain Research Provence, Cavaillon, France
| | - A Marcellan
- Soft Matter Science and Engineering, ESPCI Paris, PSL Research, CNRS, Sorbonne Université, 75005 Paris, France.
| | - E Barthel
- Soft Matter Science and Engineering, ESPCI Paris, PSL Research, CNRS, Sorbonne Université, 75005 Paris, France.
| | - C Monteux
- Soft Matter Science and Engineering, ESPCI Paris, PSL Research, CNRS, Sorbonne Université, 75005 Paris, France.
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31
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Seok JM, Kim MJ, Park JH, Kim D, Lee D, Yeo SJ, Lee JH, Lee K, Byun JH, Oh SH, Park SA. A bioactive microparticle-loaded osteogenically enhanced bioprinted scaffold that permits sustained release of BMP-2. Mater Today Bio 2023; 21:100685. [PMID: 37545560 PMCID: PMC10401289 DOI: 10.1016/j.mtbio.2023.100685] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 05/03/2023] [Accepted: 05/29/2023] [Indexed: 08/08/2023] Open
Abstract
Extrusion-based bioprinting technology is widely used for tissue regeneration and reconstruction. However, the method that uses only hydrogel as the bioink base material exhibits limited biofunctional properties and needs improvement to achieve the desired tissue regeneration. In this study, we present a three-dimensionally printed bioactive microparticle-loaded scaffold for use in bone regeneration applications. The unique structure of the microparticles provided sustained release of growth factor for > 4 weeks without the use of toxic or harmful substances. Before and after printing, the optimal particle ratio in the bioink for cell viability demonstrated a survival rate of ≥ 85% over 7 days. Notably, osteogenic differentiation and mineralization-mediated by human periosteum-derived cells in scaffolds with bioactive microparticles-increased over a 2-week interval. Here, we present an alternative bioprinting strategy that uses the sustained release of bioactive microparticles to improve biofunctional properties in a manner that is acceptable for clinical bone regeneration applications.
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Affiliation(s)
- Ji Min Seok
- Nano-Convergence Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), Daejeon, 34103, Republic of Korea
- Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, 08826, Republic of Korea
| | - Min Ji Kim
- Department of Nanobiomedical Science & BK21 FOUR NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Jin Ho Park
- Department of Oral and Maxillofacial Surgery, Gyeongsang National University School of Medicine and Gyeongsang National University Hospital, Jinju, 52727, Republic of Korea
- Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea
| | - Dahong Kim
- Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, 08826, Republic of Korea
| | - Dongjin Lee
- Nano-Convergence Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), Daejeon, 34103, Republic of Korea
| | - Seon Ju Yeo
- Nano-Convergence Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), Daejeon, 34103, Republic of Korea
| | - Jun Hee Lee
- Nano-Convergence Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), Daejeon, 34103, Republic of Korea
| | - Kangwon Lee
- Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, 08826, Republic of Korea
- Research Institute for Convergence Science, Seoul National University, Seoul, 08826, Republic of Korea
| | - June-Ho Byun
- Department of Oral and Maxillofacial Surgery, Gyeongsang National University School of Medicine and Gyeongsang National University Hospital, Jinju, 52727, Republic of Korea
- Department of Convergence Medical Science, Gyeongsang National University, Jinju, 52727, Republic of Korea
| | - Se Heang Oh
- Department of Nanobiomedical Science & BK21 FOUR NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Su A Park
- Nano-Convergence Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), Daejeon, 34103, Republic of Korea
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Weng Y, Yang G, Li Y, Xu L, Chen X, Song H, Zhao CX. Alginate-based materials for enzyme encapsulation. Adv Colloid Interface Sci 2023; 318:102957. [PMID: 37392664 DOI: 10.1016/j.cis.2023.102957] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 06/26/2023] [Indexed: 07/03/2023]
Abstract
Enzymes are widely used in industry due to their high efficiency and selectivity. However, their low stability during certain industrial processes can result in a significant loss of catalytic activity. Encapsulation is a promising technique that can stabilize enzymes by protecting them from environmental stresses such as extreme temperature and pH, mechanical force, organic solvents, and proteases. Alginate and alginate-based materials have emerged as effective carriers for enzyme encapsulation due to their biocompatibility, biodegradability, and ability to form gel beads through ionic gelation. This review presents various alginate-based encapsulation systems for enzyme stabilization and explores their applications in different industries. We discuss the preparation methods of alginate encapsulated enzymes and analyze the release mechanisms of enzymes from alginate materials. Additionally, we summarize the characterization techniques used for enzyme-alginate composites. This review provides insights into the use of alginate encapsulation as a means of stabilizing enzymes and highlights the potential benefits for various industrial applications.
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Affiliation(s)
- Yilun Weng
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Guangze Yang
- School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Yang Li
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Letao Xu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
| | | | - Hao Song
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Chun-Xia Zhao
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia.
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Babaei A, Tiraihi T, Ai J, Baheiraei N. Enhanced growth and differentiation of neural stem cells on alginate/collagen/reduced graphene oxide composite hydrogel incorporated with lithium chloride. BIOIMPACTS : BI 2023; 13:475-487. [PMID: 38022379 PMCID: PMC10676529 DOI: 10.34172/bi.2023.24266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 08/14/2022] [Accepted: 08/16/2022] [Indexed: 12/01/2023]
Abstract
Introduction Cell transplantation with hydrogel-based carriers is one of the advanced therapeutics for challenging diseases, such as spinal cord injury. Electrically conductive hydrogel has received much attention for its effect on nerve outgrowth and differentiation. Besides, a load of neuroprotective substances, such as lithium chloride can promote the differentiation properties of the hydrogel. Methods In this study, alginate/collagen/reduced graphene oxide hydrogel loaded with lithium chloride (AL/CO/rGO Li+) was prepared as an injectable cell delivery system for neural tissue regeneration. After determining the lithium-ion release profile, an MTT assay was performed to check neural viability. In the next step, real-time PCR was performed to evaluate the expression of cell adhesion and neurogenic markers. Results Our results showed that the combination of collagen fibers and rGO with alginates increased cell viability and the gene expression of collagen-binding receptor subunits such as integrin α1, and β1. Further, rGO contributed to the controlled release of lithium-ion hydrogel in terms of its plenty of negatively charged functional groups. The continuous culture of NSCs on AL/CO/rGO Li+ hydrogel increased neurogenic genes' expressions of nestin (5.9 fold), NF200 (36.8 fold), and synaptophysin (13.2 fold), as well as protein expression of NF200 and synaptophysin after about 14 days. Conclusion The simultaneous ability of electrical conduction and lithium-ion release of AL/CO/rGO Li+ hydrogel could provide a favorable microenvironment for NSCs by improving their survival, maintaining cell morphology, and expressing the neural marker. It may be potentially used as a therapeutic approach for stem cell transplantation in a spinal cord injury.
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Affiliation(s)
- Azadeh Babaei
- Department of Anatomical Sciences, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Taki Tiraihi
- Department of Anatomical Sciences, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Jajar Ai
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Nafiseh Baheiraei
- Department of Anatomical Sciences, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
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34
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Paul P, Nair R, Mahajan S, Gupta U, Aalhate M, Maji I, Singh PK. Traversing the diverse avenues of exopolysaccharides-based nanocarriers in the management of cancer. Carbohydr Polym 2023; 312:120821. [PMID: 37059549 DOI: 10.1016/j.carbpol.2023.120821] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 03/13/2023] [Accepted: 03/14/2023] [Indexed: 04/16/2023]
Abstract
Exopolysaccharides are unique polymers generated by living organisms such as algae, fungi and bacteria to protect them from environmental factors. After a fermentative process, these polymers are extracted from the medium culture. Exopolysaccharides have been explored for their anti-viral, anti-bacterial, anti-tumor, and immunomodulatory effects. Specifically, they have acquired massive attention in novel drug delivery strategies owing to their indispensable properties like biocompatibility, biodegradability, and lack of irritation. Exopolysaccharides such as dextran, alginate, hyaluronic acid, pullulan, xanthan gum, gellan gum, levan, curdlan, cellulose, chitosan, mauran, and schizophyllan exhibited excellent drug carrier properties. Specific exopolysaccharides, such as levan, chitosan, and curdlan, have demonstrated significant antitumor activity. Moreover, chitosan, hyaluronic acid and pullulan can be employed as targeting ligands decorated on nanoplatforms for effective active tumor targeting. This review shields light on the classification, unique characteristics, antitumor activities and nanocarrier properties of exopolysaccharides. In addition, in vitro human cell line experiments and preclinical studies associated with exopolysaccharide-based nanocarriers have also been highlighted.
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Affiliation(s)
- Priti Paul
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, India
| | - Rahul Nair
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, India
| | - Srushti Mahajan
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, India
| | - Ujala Gupta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, India
| | - Mayur Aalhate
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, India
| | - Indrani Maji
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, India
| | - Pankaj Kumar Singh
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, India.
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Lomartire S, Gonçalves AMM. Algal Phycocolloids: Bioactivities and Pharmaceutical Applications. Mar Drugs 2023; 21:384. [PMID: 37504914 PMCID: PMC10381318 DOI: 10.3390/md21070384] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 06/19/2023] [Accepted: 06/26/2023] [Indexed: 07/29/2023] Open
Abstract
Seaweeds are abundant sources of diverse bioactive compounds with various properties and mechanisms of action. These compounds offer protective effects, high nutritional value, and numerous health benefits. Seaweeds are versatile natural sources of metabolites applicable in the production of healthy food, pharmaceuticals, cosmetics, and fertilizers. Their biological compounds make them promising sources for biotechnological applications. In nature, hydrocolloids are substances which form a gel in the presence of water. They are employed as gelling agents in food, coatings and dressings in pharmaceuticals, stabilizers in biotechnology, and ingredients in cosmetics. Seaweed hydrocolloids are identified in carrageenan, alginate, and agar. Carrageenan has gained significant attention in pharmaceutical formulations and exhibits diverse pharmaceutical properties. Incorporating carrageenan and natural polymers such as chitosan, starch, cellulose, chitin, and alginate. It holds promise for creating biodegradable materials with biomedical applications. Alginate, a natural polysaccharide, is highly valued for wound dressings due to its unique characteristics, including low toxicity, biodegradability, hydrogel formation, prevention of bacterial infections, and maintenance of a moist environment. Agar is widely used in the biomedical field. This review focuses on analysing the therapeutic applications of carrageenan, alginate, and agar based on research highlighting their potential in developing innovative drug delivery systems using seaweed phycocolloids.
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Affiliation(s)
- Silvia Lomartire
- University of Coimbra, MARE-Marine and Environmental Sciences Centre/ARNET-Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Ana M M Gonçalves
- University of Coimbra, MARE-Marine and Environmental Sciences Centre/ARNET-Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
- Department of Biology and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
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Murphy EJ, Fehrenbach GW, Abidin IZ, Buckley C, Montgomery T, Pogue R, Murray P, Major I, Rezoagli E. Polysaccharides-Naturally Occurring Immune Modulators. Polymers (Basel) 2023; 15:polym15102373. [PMID: 37242947 DOI: 10.3390/polym15102373] [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: 03/04/2023] [Revised: 05/06/2023] [Accepted: 05/07/2023] [Indexed: 05/28/2023] Open
Abstract
The prevention of disease and infection requires immune systems that operate effectively. This is accomplished by the elimination of infections and abnormal cells. Immune or biological therapy treats disease by either stimulating or inhibiting the immune system, dependent upon the circumstances. In plants, animals, and microbes, polysaccharides are abundant biomacromolecules. Due to the intricacy of their structure, polysaccharides may interact with and impact the immune response; hence, they play a crucial role in the treatment of several human illnesses. There is an urgent need for the identification of natural biomolecules that may prevent infection and treat chronic disease. This article addresses some of the naturally occurring polysaccharides of known therapeutic potential that have already been identified. This article also discusses extraction methods and immunological modulatory capabilities.
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Affiliation(s)
- Emma J Murphy
- Shannon Applied Biotechnology Centre, Midwest Campus, Technological University of the Shannon, V94EC5T Limerick, Ireland
- LIFE-Health and Biosciences Research Institute, Midwest Campus, Technological University of the Shannon, V94EC5T Limerick, Ireland
- PRISM, Research Institute, Midlands Campus, Technological University of the Shannon, N37 HD68 Athlone, Ireland
| | - Gustavo Waltzer Fehrenbach
- PRISM, Research Institute, Midlands Campus, Technological University of the Shannon, N37 HD68 Athlone, Ireland
- Applied Polymer Technologies, Midlands Campus, Technological University of the Shannon, N37 HD68 Athlone, Ireland
| | - Ismin Zainol Abidin
- PRISM, Research Institute, Midlands Campus, Technological University of the Shannon, N37 HD68 Athlone, Ireland
- Applied Polymer Technologies, Midlands Campus, Technological University of the Shannon, N37 HD68 Athlone, Ireland
| | - Ciara Buckley
- PRISM, Research Institute, Midlands Campus, Technological University of the Shannon, N37 HD68 Athlone, Ireland
- Applied Polymer Technologies, Midlands Campus, Technological University of the Shannon, N37 HD68 Athlone, Ireland
| | - Therese Montgomery
- School of Science and Computing, Atlantic Technological University, H91 T8NW Galway, Ireland
| | - Robert Pogue
- Universidade Católica de Brasilia, QS 7 LOTE 1-Taguatinga, Brasília 71680-613, DF, Brazil
| | - Patrick Murray
- Shannon Applied Biotechnology Centre, Midwest Campus, Technological University of the Shannon, V94EC5T Limerick, Ireland
- LIFE-Health and Biosciences Research Institute, Midwest Campus, Technological University of the Shannon, V94EC5T Limerick, Ireland
| | - Ian Major
- PRISM, Research Institute, Midlands Campus, Technological University of the Shannon, N37 HD68 Athlone, Ireland
- Applied Polymer Technologies, Midlands Campus, Technological University of the Shannon, N37 HD68 Athlone, Ireland
| | - Emanuele Rezoagli
- Department of Emergency and Intensive Care, Fondazione IRCCS San Gerardo dei Tintori, 20900 Monza, Italy
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
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37
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Park D, Lee SJ, Choi DK, Park JW. Therapeutic Agent-Loaded Fibrous Scaffolds for Biomedical Applications. Pharmaceutics 2023; 15:pharmaceutics15051522. [PMID: 37242764 DOI: 10.3390/pharmaceutics15051522] [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: 04/05/2023] [Revised: 04/28/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
Tissue engineering is a sophisticated field that involves the integration of various disciplines, such as clinical medicine, material science, and life science, to repair or regenerate damaged tissues and organs. To achieve the successful regeneration of damaged or diseased tissues, it is necessary to fabricate biomimetic scaffolds that provide structural support to the surrounding cells and tissues. Fibrous scaffolds loaded with therapeutic agents have shown considerable potential in tissue engineering. In this comprehensive review, we examine various methods for fabricating bioactive molecule-loaded fibrous scaffolds, including preparation methods for fibrous scaffolds and drug-loading techniques. Additionally, we delved into the recent biomedical applications of these scaffolds, such as tissue regeneration, inhibition of tumor recurrence, and immunomodulation. The aim of this review is to discuss the latest research trends in fibrous scaffold manufacturing methods, materials, drug-loading methods with parameter information, and therapeutic applications with the goal of contributing to the development of new technologies or improvements to existing ones.
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Affiliation(s)
- Dongsik Park
- Drug Manufacturing Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
| | - Su Jin Lee
- Drug Manufacturing Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
| | - Dong Kyu Choi
- New Drug Development Center (NDDC), Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
| | - Jee-Woong Park
- Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
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Kurtuluş OÇ, Ondaral S, Emin N, Aşikuzun E. Different amount of carboxyl-aldehyde fractionated nanofibril cellulose and main characteristics of chitosan, gelatin, alginate added composites. Int J Biol Macromol 2023; 242:124824. [PMID: 37178884 DOI: 10.1016/j.ijbiomac.2023.124824] [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: 02/14/2023] [Revised: 05/02/2023] [Accepted: 05/08/2023] [Indexed: 05/15/2023]
Abstract
In this research, two different types of nanofibrillated celluloses (NFCs) having different amounts of aldehyde and carboxyl groups were mixed with chitosan (CH), gelatin (GL), and alginate (AL) with different mixing ratios to produce biocomposite aerogels. There was no related study in the literature about producing aerogels with the addition of NC and mentioning biopolymers in addition to the effect of carboxyl and aldehyde fraction of the main matrix NC on composite properties. For this purpose, the main aim of this study was to investigate how carboxyl and aldehyde groups affect the basic characteristics of NFC-biopolymer based materials addition to efficiency of biopolymer amount in main matrix. Even after preparing homogenous NC-biopolymer compositions at 1 % concentration with varied proportions (75 %-25 %, 50 %-50 %, 25 %-75 %, 100 %), aerogels were still made using the fundamentally easy lyophilization procedure. Porosity values for NC-Chitosan (NC/CH) based aerogels range from 97.85 to 99.84 %, whereas those made from NC-Gelatin (NC/GL) and NC-Alginate (NC-AL) have values of 99.2-99.8 % and 98.47 to 99.7 %, respectively. In addition, densities were determined in the range of 0.01 g/cm3 for both NC-CH and NC-GL composites, but higher values were obtained in ranged between 0.01 and 0.03 g/cm3 for NC-AL samples. The crystallinity index values showed a decreasing trend with the addition of biopolymers into NC composition. SEM images showed that all materials have a porous micro structure with different size pores and homogenous surface topography. As a result of the specified tests, these materials can be used in many different industrial applications, such as dust collectors, liquid adsorbers, specific material for packaging and medical materials.
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Affiliation(s)
- Orçun Çağlar Kurtuluş
- Kastamonu University, Department of Material and Materials Processing Technologies, 37300 Tosya, Kastamonu, Turkey.
| | - Sedat Ondaral
- Karadeniz Technical University, Department of Forest Products Engineering, 61000 Trabzon, Turkey
| | - Nuray Emin
- Kastamonu University, Department of Biomedical Engineering, 37100 Kastamonu, Turkey
| | - Elif Aşikuzun
- Kastamonu University, Department of Metallurgy and Materials Engineering, 37100 Kastamonu, Turkey
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Gwon K, Lee S, Kim Y, Choi J, Kim S, Kim SJ, Hong HJ, Hwang Y, Mori M, Lee DN. Construction of a bioactive copper-based metal organic framework-embedded dual-crosslinked alginate hydrogel for antimicrobial applications. Int J Biol Macromol 2023; 242:124840. [PMID: 37169053 DOI: 10.1016/j.ijbiomac.2023.124840] [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: 02/06/2023] [Revised: 04/18/2023] [Accepted: 05/08/2023] [Indexed: 05/13/2023]
Abstract
Metal-organic frameworks (MOFs) containing bioactive metals have the potential to exhibit antimicrobial activity by releasing metal ions or ligands through the cleavage of metal-ligand bonds. Recently, copper-based MOFs (Cu-MOFs) with sustained release capability, porosity, and structural flexibility have shown promising antimicrobial properties. However, for clinical use, the controlled release of Cu2+ over an extended time period is crucial to prevent toxicity. In this study, we developed an alginate-based antimicrobial scaffold and encapsulated MOFs within a dual-crosslinked alginate polymer network. We synthesized Cu-MOFs containing glutarate (Glu) and 4,4'-azopyridine (AZPY) (Cu(AZPY)-MOF) and encapsulated them in an alginate-based hydrogel through a combination of visible light-induced photo and calcium ion-induced chemical crosslinking processes. We confirmed Cu(AZPY)-MOF synthesis using scanning electron microscopy, transmission electron microscopy, powder X-ray diffraction, and thermogravimetric analysis. This antimicrobial hydrogel demonstrated excellent antibacterial and antifungal properties against two bacterial strains (MRSA and S. mutans, with >99.9 % antibacterial rate) and one fungal strain (C. albicans, with >78.7 % antifungal rate) as well as negligible cytotoxicity towards mouse embryonic fibroblasts, making it a promising candidate for various tissue engineering applications in biomedical fields.
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Affiliation(s)
- Kihak Gwon
- Ingenium College of Liberal Arts (Chemistry), Kwangwoon University, Seoul 01897, Republic of Korea; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55902, USA
| | - Seonhwa Lee
- Ingenium College of Liberal Arts (Chemistry), Kwangwoon University, Seoul 01897, Republic of Korea
| | - Youngmee Kim
- Department of Chemistry and Nano Science, NanoBio-Energy Materials Center, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Jun Choi
- Department of Chemistry and Nano Science, NanoBio-Energy Materials Center, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Sujin Kim
- Department of Chemistry and Nano Science, NanoBio-Energy Materials Center, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Sung-Jin Kim
- Department of Chemistry and Nano Science, NanoBio-Energy Materials Center, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Hye Jin Hong
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55902, USA
| | - Youngmin Hwang
- Columbia Center for Human Development (CCHD), Pulmonary Allergy & Critical Care Medicine, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Munemasa Mori
- Columbia Center for Human Development (CCHD), Pulmonary Allergy & Critical Care Medicine, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Do Nam Lee
- Ingenium College of Liberal Arts (Chemistry), Kwangwoon University, Seoul 01897, Republic of Korea.
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40
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Cruz Sánchez E, García MT, Pereira J, Oliveira F, Craveiro R, Paiva A, Gracia I, García-Vargas JM, Duarte ARC. Alginate-Chitosan Membranes for the Encapsulation of Lavender Essential Oil and Development of Biomedical Applications Related to Wound Healing. Molecules 2023; 28:molecules28093689. [PMID: 37175099 PMCID: PMC10179850 DOI: 10.3390/molecules28093689] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/19/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
Biopolymers such as chitosan (CHT) or alginate (ALG) are among the most prominent for health-related applications due to their broad bioactivity. Their combination for the preparation of membranes is hereby proposed as an application for wound healing with the incorporation of lavender essential oil (LEO), widely known for its antioxidant and antimicrobial properties. The preparation of CHT, CHT + LEO, ALG, ALG + LEO, and CHT/ALG + LEO membranes was accomplished, and its composition was analyzed using Fourier Transform Infrared Spectroscopy (FTIR). The water absorption capacity and oil release profile of the membranes revealed higher water uptake capacity when a lower LEO release was obtained. The combined CHT/ALG + LEO film showed a water uptake percentage of 638% after 48 h and a maximum LEO release concentration of 42 mg/L. Cytotoxicity and biocompatibility of the prepared membranes were studied using a HaCaT cell line, with an assessment of cell viability regarding film leachables, DNA quantification, and DAPI-phalloidin staining. The results revealed that the indirect contact of the prepared membranes via its leachables does not compromise cell viability, and upon direct contact, cells do not adhere or proliferate on the surface of the membranes. Moreover, the CHT/ALG + LEO membrane increases cell proliferation, making it suitable for applications in wound healing.
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Affiliation(s)
- Encarnación Cruz Sánchez
- Department of Chemical Engineering, Facultad de Ciencias y Tecnologías Químicas, University of Castilla-La Mancha, Avda. Camilo José Cela 12, 13071 Ciudad Real, Spain
| | - María Teresa García
- Department of Chemical Engineering, Facultad de Ciencias y Tecnologías Químicas, University of Castilla-La Mancha, Avda. Camilo José Cela 12, 13071 Ciudad Real, Spain
| | - Joana Pereira
- LAQV-REQUIMTE, Chemistry Department, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
| | - Filipe Oliveira
- LAQV-REQUIMTE, Chemistry Department, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
| | - Rita Craveiro
- LAQV-REQUIMTE, Chemistry Department, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
| | - Alexandre Paiva
- LAQV-REQUIMTE, Chemistry Department, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
| | - Ignacio Gracia
- Department of Chemical Engineering, Facultad de Ciencias y Tecnologías Químicas, University of Castilla-La Mancha, Avda. Camilo José Cela 12, 13071 Ciudad Real, Spain
| | - Jesús Manuel García-Vargas
- Department of Chemical Engineering, Facultad de Ciencias y Tecnologías Químicas, University of Castilla-La Mancha, Avda. Camilo José Cela 12, 13071 Ciudad Real, Spain
| | - Ana Rita C Duarte
- LAQV-REQUIMTE, Chemistry Department, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
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Curcumin-loaded alginate hydrogels for cancer therapy and wound healing applications: A review. Int J Biol Macromol 2023; 232:123283. [PMID: 36657541 DOI: 10.1016/j.ijbiomac.2023.123283] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 12/28/2022] [Accepted: 01/11/2023] [Indexed: 01/19/2023]
Abstract
Hydrogels have emerged as a versatile platform for a numerous biomedical application due to their ability to absorb a huge quantity of biofluids. In order to design hydrogels, natural polymers are an attractive option owing to their biocompatibility and biodegradability. Due to abundance in occurrence, cost effectiveness, and facile crosslinking approaches, alginate has been extensively investigated to fabricate hydrogel matrix. Management of cancer and chronic wounds have always been a challenge for pharmaceutical and healthcare sector. In both cases, curcumin have been shown significant improvement and effectiveness. However, the innate restraints like poor bioavailability, hydrophobicity, and rapid systemic clearance associated with curcumin have restricted its clinical translations. The current review explores the cascade of research around curcumin encapsulated alginate hydrogel matrix for wound healing and cancer therapy. The focus of the review is to emphasize the mechanistic effects of curcumin with its fate inside the cells. Further, the review discusses different approaches to designed curcumin loaded alginate hydrogels along with the parameters that regulates their release behavior. Finally, the review is concluded with emphasize on some key aspect on increasing the efficacy of these hydrogels along with novel strategies to further develop curcumin loaded alginate hydrogel matrix with multifacet applications.
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Amighi M, Zahedifar M, Alizadeh H, Payandeh M. Encapsulation of Nepeta hormozganica and Nepeta dschuprensis essential oils in shrimp chitosan NPs: Enhanced antifungal activity. Int J Biol Macromol 2023; 238:124112. [PMID: 36948343 DOI: 10.1016/j.ijbiomac.2023.124112] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 03/11/2023] [Accepted: 03/16/2023] [Indexed: 03/24/2023]
Abstract
This study investigated the encapsulation of Nepeta hormozganica (NHEO) and Nepeta Dschuprensis (NDEO) essential oils into chitosan nanoparticles (CSN) via a simple ionic gelation method with tripolyphosphate (TPP). Chitosan (CS) is prepared by demineralizing, deproteinizing, and deacetylating shrimp shells waste in high yield (70.2 %). SEM, TEM, FT-IR, TGA, and XRD techniques were employed to characterize the encapsulated essential oils ((NHEO-CSN) and (NDEO-CSN)). The prepared EOs-CSN and CSN are found with particle sizes of 100-150 nm and 400-500 nm, respectively, and regular distribution. The encapsulation efficiency of encapsulated Nepeta hormozganica and Dschuprensis essential oils were found to be 73.64 % and 75.91 %, respectively. The synthesized nanocapsules were evaluated for antifungal activity against Fusarium oxysporium, Sclerotinia sclerotiorum, Pythium aphanidermatum, Alternaria alternata, Rhizactonia Solani, and Botrytis cinerea. Antifungal studies show that encapsulated essential oils increased antifungal efficiency by up to 100 %.
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Affiliation(s)
- Mina Amighi
- Department of Plant Protection Faculty of Agriculture, University of Jiroft, Jiroft 7867161167, Iran
| | - Mahboobeh Zahedifar
- Department of Chemistry, Faculty of Science, University of Jiroft, Jiroft 7867161167, Iran.
| | - Hamidreza Alizadeh
- Department of Plant Protection Faculty of Agriculture, University of Jiroft, Jiroft 7867161167, Iran.
| | - Maryam Payandeh
- Department of Biology, Faculty of Science, University of Jiroft, Jiroft 7867161167, Iran
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Woodring RN, Gurysh EG, Bachelder EM, Ainslie KM. Drug Delivery Systems for Localized Cancer Combination Therapy. ACS APPLIED BIO MATERIALS 2023; 6:934-950. [PMID: 36791273 PMCID: PMC10373430 DOI: 10.1021/acsabm.2c00973] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
With over 2 million cancer cases and over 600,000 cancer-associated deaths predicted in the U.S. for 2022, this life-debilitating disease continuously impacts the lives of people across the nation every day. Therapeutic treatment options for cancer have historically involved chemotherapies to eradicate tumors with cytotoxic mechanisms which can negatively affect the efficacy versus toxicity ratio of treatment. With a need for more directed and therapeutically active options, targeted small-molecule inhibitors and immunotherapies have since emerged to mitigate treatment-associated toxicities. However, aggressive tumors can employ a wide range of defense mechanisms to evade monotherapy treatment altogether, resulting in the recurrence of therapeutically resistant tumors. Therefore, many clinical routines have included combination therapy in which anticancer agents are combined to provide a synergistic attack on tumors. Even with this approach, maximizing the efficacy of cancer treatment is contingent upon the dose of drug that reaches the site of the tumor, so often therapy is administered at the site of a tumor via localized delivery platforms. Commonly used platforms for localized drug delivery include polymeric wafers, nanofibrous scaffolds, and hydrogels where drug combinations can be loaded and delivered synchronously. Attaining synergistic activity from these localized systems is dependent on proper material selection and fabrication methods. Herein, we describe these important considerations for enhancing the efficacy of cancer combination therapy through biodegradable, localized delivery systems.
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Affiliation(s)
- Ryan N. Woodring
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Elizabeth G. Gurysh
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Eric M. Bachelder
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Kristy M. Ainslie
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Pickering emulsion hydrogel beads for curcumin encapsulation and food application. J FOOD ENG 2023. [DOI: 10.1016/j.jfoodeng.2023.111501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
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Jiang Z, Shi Y, Chen X, Xu Z, Wang S. Preparation of combined hydrogel solution that is suitable to control the emission of odor pollutants from brownfield site and its control effects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:36979-36992. [PMID: 36564682 DOI: 10.1007/s11356-022-24869-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
Odor pollution caused by brownfield site has attracted increasing attention. However, to date, fewer suitable materials can be used to control the emission of odor pollutant from brownfield site during remediation. This study prepared a kind of combined hydrogel solution based on sodium alginate and carboxymethyl cellulose sodium (CHS-SC) and tested the possibility of its membrane in controlling the emission of three odor pollutants (trichloroethylene, dimethyl disulfide, and p-xylene) from polluted soil. Our results showed that CHS-SC membrane could effectively control the emission of three odor pollutants from polluted soil. Comparatively, CHS-SC membrane had higher control rates for three odor pollutants at high ambient temperature (32 °C), short storage time of CHS-SC (5 days, 25 °C), and low odor pollutant concentration (2 ml/kg soil) than at low ambient temperature (2 °C), long storage time of CHS-SC (10 d, 25 °C), and high odor pollutant concentration (4 ml/kg soil), respectively. CHS-SC membrane was degraded by 79.23% after 150 days in soil and slightly changed soil bacterial community, indicating that it had good biodegradability and environmental friendliness. In addition, CHS-SC cost was the lowest among the products with similar function. This study shows that CHS-SC is effective in short-timely controlling the emission of odor pollutants from brownfield site.
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Affiliation(s)
- Zhen Jiang
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yifan Shi
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xiaochun Chen
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhongjun Xu
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Shuguang Wang
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
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Li Y, Xu Z, Wang J, Pei X, Chen J, Wan Q. Alginate-based biomaterial-mediated regulation of macrophages in bone tissue engineering. Int J Biol Macromol 2023; 230:123246. [PMID: 36649862 DOI: 10.1016/j.ijbiomac.2023.123246] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 12/06/2022] [Accepted: 01/09/2023] [Indexed: 01/15/2023]
Abstract
Many studies in the bone tissue engineering field have focused on the interactions between materials and bone marrow stem cells. With the development of osteoimmunology, the immune cells' essential role in biomaterial-mediated osteogenesis has increasingly been recognized. As a promising therapeutic candidate for bone defects due to their prominent biocompatibility, tuneability, and versatility, it is necessary to develop alginate-based biomaterials that can regulate immune cells, especially macrophages. Moreover, modified alginate-based biomaterials may facilitate better regulation of macrophage phenotypes by the newly endowed physicochemical properties, including stiffness, porosity, hydrophilicity, and electrical properties. This review summarizes the role of macrophages in bone regeneration and the recent research progress related to the effects of alginate-based biomaterials on macrophages applied in bone tissue engineering. This review also emphasizes the strategies adopted by material design to regulate macrophage phenotypes, the corresponding macrophage responses, and their contribution to osteogenesis.
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Affiliation(s)
- Yuanyuan Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Zhengyi Xu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jian Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xibo Pei
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Junyu Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; West China School of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Qianbing Wan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; West China School of Stomatology, Sichuan University, Chengdu 610041, China.
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Liu D, Wei M, Yan W, Xie H, Sun Y, Yuan B, Jin Y. Potential applications of drug delivery technologies against radiation enteritis. Expert Opin Drug Deliv 2023; 20:435-455. [PMID: 36809906 DOI: 10.1080/17425247.2023.2183948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
INTRODUCTION The incidence of abdominal tumors, such as colorectal and prostate cancers, continually increases. Radiation therapy is widely applied in the clinical treatment of patients with abdominal/pelvic cancers, but it often unfortunately causes radiation enteritis (RE) involving the intestine, colon, and rectum. However, there is a lack of suitable treatment options for effective prevention and treatment of RE. AREAS COVERED Conventional clinical drugs for preventing and treating RE are usually applied by enemas and oral administration. Innovative gut-targeted drug delivery systems including hydrogels, microspheres, and nanoparticles are proposed to improve the prevention and curation of RE. EXPERT OPINION The prevention and treatment of RE have not attracted sufficient attention in the clinical practice, especially compared to the treatment of tumors, although RE takes patients great pains. Drug delivery to the pathological sites of RE is a huge challenge. The short retention and weak targeting of conventional drug delivery systems affect the therapeutic efficiency of anti-RE drugs. Novel drug delivery systems including hydrogels, microspheres, and nanoparticles can allow drugs long-term retention in the gut and targeting the inflammation sites to alleviate radiation-induced injury.
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Affiliation(s)
- Dongdong Liu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Meng Wei
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Wenrui Yan
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Hua Xie
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Yingbao Sun
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Bochuan Yuan
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Yiguang Jin
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
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Madsen M, Mohammad-Beigi H, Westh P, Aachmann FL, Svensson B. Tuning alginate β-lactoglobulin complex coacervation by modulating pH and temperature. SOFT MATTER 2023; 19:1549-1559. [PMID: 36748314 DOI: 10.1039/d2sm01435a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The use of biomolecules in food matrices and encapsulation systems is, as in other areas, moving towards greener solutions and a center piece here is the complex coacervation between natural anionic polysaccharides and proteins. Both alginate and β-lactoglobulin (β-Lg) are used in different sectors and have been shown to coacervate at pH < 5.2. Albeit with increased interest, complex coacervation has almost exclusively been studied from a macromolecular perspective, and described as an interaction based on charge-charge attraction. Here, we show that through changes in pH and temperature, alginate β-Lg complex coacervation can be tuned to purpose. By detailed biophysical and chemical characterization of coacervation and coacervate particles, insights into the molecular interaction and effect of external factors are obtained. We find that carboxylate resonance stabilization causes a release of protons at pH < pKa,alginate and an uptake of protons at pH > pKa,alginate upon coacervation. Proton release and uptake were quantified at pH 2.65 and 4.00 by isothermal titration calorimetry to be 4 and 2 protons per β-Lg molecule, respectively. By increasing the temperature to 65 °C, we discovered a secondary β-Lg concentration dependent coacervation step, where the formed particles change into large assemblies driven by entropy. These findings bring new insights to complex coacervation and its applicability in microencapsulation and drug delivery.
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Affiliation(s)
- Mikkel Madsen
- Enzyme and Protein Chemistry, Technical University of Denmark, DK-2800 Kgs, Lyngby, Denmark.
| | - Hossein Mohammad-Beigi
- Enzyme and Protein Chemistry, Technical University of Denmark, DK-2800 Kgs, Lyngby, Denmark.
| | - Peter Westh
- Interfacial Enzymology, Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs, Lyngby, Denmark
| | - Finn L Aachmann
- Norwegian Biopolymer Laboratory (NOBIPOL), Department of Biotechnology and Food Science, NTNU Norwegian University of Science and Technology, N-7491, Trondheim, Norway
| | - Birte Svensson
- Enzyme and Protein Chemistry, Technical University of Denmark, DK-2800 Kgs, Lyngby, Denmark.
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Uthumansha U, Prabahar K, Gajapathy DB, El-Sherbiny M, Elsherbiny N, Qushawy M. Optimization and In Vitro Characterization of Telmisartan Loaded Sodium Alginate Beads and Its In Vivo Efficacy Investigation in Hypertensive Induced Animal Model. Pharmaceutics 2023; 15:pharmaceutics15020709. [PMID: 36840031 PMCID: PMC9959044 DOI: 10.3390/pharmaceutics15020709] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 02/09/2023] [Accepted: 02/13/2023] [Indexed: 02/22/2023] Open
Abstract
BACKGROUND Antihypertensive drug telmisartan (TEL) belongs to BCS class II, which is characterized by low water solubility and, consequently, low oral bioavailability. Gastroretentive systems may overcome the problems associated with low solubility of TEL and incomplete absorption by localizing the drug release in the stomach. The purpose of this study was to prepare TEL-loaded, oil-entrapped, floating alginate beads with the intent of enhancing the oral bioavailability of TEL for the treatment of hypertension. METHODS For the formulation and optimization of seventeen formulations of TEL-loaded oil-entrapped floating alginate beads, a central composite design was utilized. The concentration of sodium alginate (X1), the concentration of cross-linker (X2), and the concentration of sesame oil (X3) served as independent variables, whereas the entrapment efficiency (Y1), in vitro buoyancy (Y2), and drug release Q6h (Y3) served as dependent variables. Using the emulsion gelation method and calcium chloride as the cross-linking agent, different formulations of TEL alginate beads were produced. All formulations were evaluated for their entrapment efficiency percentage, in vitro buoyancy, and in vitro drug release. The optimal formulation of TEL alginate beads was prepared with and without oil and evaluated for entrapment efficiency percentage, in vitro buoyancy, swelling ratio, average size, and in vitro drug release. Using scanning electron microscopes, the surface morphology was determined. Using IR spectroscopy, the compatibility between the ingredients was determined. In vivo evaluation of the optimized formulation in comparison to the free TEL was done in hypertension-induced rats, and the systolic blood pressure and all pharmacokinetic parameters were measured. RESULTS The prepared beads exhibited a high entrapment efficiency percentage, in vitro buoyancy, and prolonged drug release. TEL was compatible with other ingredients, as approved by IR spectroscopy. The prepared TEL beads were spherical, as shown by the SEM. The relative bioavailability of TEL-loaded oil-entrapped beads was 222.52%, which was higher than that of the pure TEL suspension. The prepared TEL beads formulation exhibited a higher antihypertensive effect for a prolonged time compared to pure TEL suspension. CONCLUSIONS It can be concluded that this innovative delivery method of TEL-loaded oil-entrapped beads is a promising tool for enhancing drug solubility and, thus, oral bioavailability and therapeutic efficacy, resulting in enhanced patient compliance. Furthermore, the in vivo study confirmed the formulation's extended anti-hypertensive activity in animal models.
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Affiliation(s)
- Ubaidulla Uthumansha
- Department of Pharmaceutics, Crescent School of Pharmacy, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600048, India
- Correspondence: or ; Tel.: +91-9677781834
| | - Kousalya Prabahar
- Department of Pharmacy Practice, Faculty of Pharmacy, University of Tabuk, Tabuk 71491, Saudi Arabia
| | | | - Mohamed El-Sherbiny
- Department of Basic Medical Sciences, College of Medicine, Almaarefa University, Riyadh 13713, Saudi Arabia
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura 35516, Dakahlia, Egypt
| | - Nehal Elsherbiny
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Tabuk, Tabuk 71491, Saudi Arabia
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Dakahlia, Egypt
| | - Mona Qushawy
- Department of Pharmaceutics, Faculty of Pharmacy, University of Tabuk, Tabuk 71491, Saudi Arabia
- Department of Pharmaceutics, Faculty of Pharmacy, Sinai University, Alarish 45511, North Sinai, Egypt
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Teryek M, Jadhav P, Bento R, Parekkadan B. 3D Microcapsules for Human Bone Marrow Derived Mesenchymal Stem Cell Biomanufacturing in a Vertical-Wheel Bioreactor. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.16.528656. [PMID: 36824906 PMCID: PMC9949076 DOI: 10.1101/2023.02.16.528656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Microencapsulation of human mesenchymal stromal cells (MSCs) via electrospraying has been well documented in tissue engineering and regenerative medicine. Herein, we report the use of microencapsulation, via electrospraying, for MSC expansion using a commercially available hydrogel that is durable, optimized to MSC culture, and enzymatically degradable for cell recovery. Critical parameters of the electrospraying encapsulation process such as seeding density, correlation of microcapsule output with hydrogel volume, and applied voltage were characterized to consistently fabricate cell-laden microcapsules of uniform size. Upon encapsulation, we then verified ~ 10x expansion of encapsulated MSCs within a vertical-wheel bioreactor and the preservation of critical quality attributes such as immunophenotype and multipotency after expansion and cell recovery. Finally, we highlight the genetic manipulation of encapsulated MSCs as an example of incorporating bioactive agents in the capsule material to create new compositions of MSCs with altered phenotypes.
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Affiliation(s)
- Matthew Teryek
- Department of Biomedical Engineering, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Pankaj Jadhav
- Department of Chemical and Biochemical Engineering, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Raphaela Bento
- Department of Biomedical Engineering, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Biju Parekkadan
- Department of Biomedical Engineering, Rutgers University, Piscataway, New Jersey 08854, USA
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