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Binaymotlagh R, Hajareh Haghighi F, Chronopoulou L, Palocci C. Liposome-Hydrogel Composites for Controlled Drug Delivery Applications. Gels 2024; 10:284. [PMID: 38667703 PMCID: PMC11048854 DOI: 10.3390/gels10040284] [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: 03/26/2024] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
Various controlled delivery systems (CDSs) have been developed to overcome the shortcomings of traditional drug formulations (tablets, capsules, syrups, ointments, etc.). Among innovative CDSs, hydrogels and liposomes have shown great promise for clinical applications thanks to their cost-effectiveness, well-known chemistry and synthetic feasibility, biodegradability, biocompatibility and responsiveness to external stimuli. To date, several liposomal- and hydrogel-based products have been approved to treat cancer, as well as fungal and viral infections, hence the integration of liposomes into hydrogels has attracted increasing attention because of the benefit from both of them into a single platform, resulting in a multifunctional drug formulation, which is essential to develop efficient CDSs. This short review aims to present an updated report on the advancements of liposome-hydrogel systems for drug delivery purposes.
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Affiliation(s)
- Roya Binaymotlagh
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Farid Hajareh Haghighi
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Laura Chronopoulou
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- Research Center for Applied Sciences to the Safeguard of Environment and Cultural Heritage (CIABC), Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Cleofe Palocci
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- Research Center for Applied Sciences to the Safeguard of Environment and Cultural Heritage (CIABC), Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
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Mohseni M, Shokrollahi P, Barzin J. Gelatin/O-carboxymethyl chitosan injectable self-healing hydrogels for ibuprofen and naproxen dual release. Int J Biol Macromol 2024; 263:130266. [PMID: 38368982 DOI: 10.1016/j.ijbiomac.2024.130266] [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: 08/16/2023] [Revised: 02/11/2024] [Accepted: 02/15/2024] [Indexed: 02/20/2024]
Abstract
Recently, a significantly greater clinical benefit has been reported with a combination of glucosamine sulfate and nonsteroidal anti-inflammatory drugs (NSAIDs) compared to either treatment alone for the growing osteoarthritis (OA) disease. So, this study introduces hydrogels using O-carboxymethyl chitosan (O-CMC, structurally akin glucosamine glycan), and Gelatin type A (GA) in a 1:2 ratio with β-glycerophosphate (βGPh) at varying percentages (5 %, 12.5 %, and 15 %). We show that hydrogel properties, adaptable for drug delivery or tissue engineering, can be fine-tuned based on OCMC:βGPh ratio. CMC/GA/βGPh-12.5 exhibited a swelling rate of 189 %, compressive stress of 164 kPa, and compressive modulus of 3.4 kPa. The self-healing hydrogel also exhibited excellent injectability through a 21-gauge needle, requiring only 5 N of force. Ibuprofen and Naproxen release from CMC/GA/βGPh-12.5 and CMC/GA/βGPh-15 of designed dimensions (bi-layer structures of different diameter and height) were measured, and drug release kinetics were estimated using mathematical equations (MATLAB and polyfit program). CMC/GA/βGPh-12.5 demonstrated significant antibacterial effects against E. coli and S. aureus, a high cell survival rate of 89 % against L929 fibroblasts, and strong cell adhesion, all indicating biocompatibility. These findings underscore potential of these hydrogels as promising candidates for treating inflammatory diseases such as osteoarthritis.
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Affiliation(s)
- Mahshad Mohseni
- Department of Biomaterials, Faculty of Science, Iran Polymer and Petrochemical Institute (IPPI), Tehran 14975-112, Iran
| | - Parvin Shokrollahi
- Department of Biomaterials, Faculty of Science, Iran Polymer and Petrochemical Institute (IPPI), Tehran 14975-112, Iran.
| | - Jalal Barzin
- Department of Biomaterials, Faculty of Science, Iran Polymer and Petrochemical Institute (IPPI), Tehran 14975-112, Iran
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Wu X, Cheng D, Lu Y, Rong R, Kong Y, Wang X, Niu B. A liquid crystal in situ gel based on rotigotine for the treatment of Parkinson's disease. Drug Deliv Transl Res 2024; 14:1048-1062. [PMID: 37875660 DOI: 10.1007/s13346-023-01449-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2023] [Indexed: 10/26/2023]
Abstract
One of the most common neurodegenerative illnesses is Parkinson's disease (PD). Rotigotine (RTG) is a dopamine agonist that exerts anti-Parkinsonian effects through dopamine receptor agonism to improve motor symptoms and overall performance in PD patients. In this study, an in situ liquid crystal gel called rotigotine-gel (RTG-gel) was developed using soya phosphatidyl choline (SPC) and glycerol dioleate (GDO) to provide long-acting slow-release benefits of rotigotine while minimizing side effects. This study prepared the RTG-gel precursor solution using SPC, GDO, and ethanol (in the ratio of 54:36:10, w/w/w). The internal structures of the gel were confirmed by crossed-polarized light microscopy (PLM), small-angle X-ray scattering (SAXS), and differential scanning calorimetry (DSC). The rheological properties of the RTG-gel precursor solution indicate a favorable combination of low viscosity and excellent flowability. The gel that produced during water absorption was also highly viscous and structurally stable, which helped to maintain the drug delayed release at the injection site. In vitro release assays showed that the in vitro release of RTG-gel followed Ritger-Peppas. The RTG-gel precursor solution was administered by subcutaneous injection, and the results of in vivo pharmacokinetic tests in SD rats showed that the plasma elimination half-life (t1/2) was 59.28 ± 16.08 h; the time to peak blood concentration (Tmax) was 12.00 ± 10.32 h, and the peak concentration (Cmax) was 29.9 ± 10.10 ng/mL. The blood concentration remained above 0.1 ng/mL for 20 days after administration and was still detectable after 31 days of administration, and the bioavailability of RTG can reach 72.59%. The results of in vitro solvent exchange tests showed that the RTG-gel precursor solution undergoes rapid exchange upon contact with PBS, and the diffusion of ethanol can reach 48.1% within 60 min and 80% within 8 h. The results of cytotoxicity test showed 89.27 ± 4.32% cell survival after administration of the drug using RTG-gel. The results of tissue extraction at the administration site showed that healing of the injection site without redness and hemorrhage could be observed after 14 days of injection. The results of tissue section of the administered site showed that the inflammatory cells decreased and granulation tissue appeared after 14 days of administration, and there was basically no inflammatory cell infiltration after 35 days of administration, and the inflammatory reaction was basically eliminated. It shows that RTG-gel has some irritation to the injection site, but it can be recovered by itself in the later stage, and it has good biocompatibility. In summary, RTG-gel might be a potential RTG extended-release formulation for treating PD.
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Affiliation(s)
- Xiaxia Wu
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai, 264000, Shandong, China
- School of Pharmacy, Yantai University, Yantai, 264005, People's Republic of China
| | - Dongfang Cheng
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai, 264000, Shandong, China.
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, Shandong, 264117, People's Republic of China.
| | - Yue Lu
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai, 264000, Shandong, China
- School of Pharmacy, Yantai University, Yantai, 264005, People's Republic of China
| | - Rong Rong
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai, 264000, Shandong, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, Shandong, 264117, People's Republic of China
| | - Ying Kong
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai, 264000, Shandong, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, Shandong, 264117, People's Republic of China
| | - Xiuzhi Wang
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, Shandong, 264117, People's Republic of China
| | - Baohua Niu
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai, 264000, Shandong, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, Shandong, 264117, People's Republic of China
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Luo J, Liang C, Chen K, Zeng K, Bai R, Tang C, Li J, Nong X. Artesunate-loaded thermosensitive chitosan hydrogel promotes osteogenesis of maxillary tooth extraction through regulating T lymphocytes in type 2 diabetic rats. BMC Oral Health 2024; 24:356. [PMID: 38509482 PMCID: PMC10953264 DOI: 10.1186/s12903-024-04127-7] [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: 12/28/2023] [Accepted: 03/09/2024] [Indexed: 03/22/2024] Open
Abstract
BACKGROUND Type 2 diabetes mellitus (T2DM) causes severe bone loss after tooth extraction as a hyperglycemic environment causes aberrant bone homeostasis. Artesunate (ART) is known to possess anti-inflammation and osteogenic properties. However, its osteogenesis property in alveolar bone remains unclear. This study aimed to explore the osteogenic and immunoregulatory effects of artesunate-loaded thermosensitive chitosan hydrogel (ART-loaded TCH) on maxilla tooth extraction in T2DM rats. METHODS T2DM rats were induced by a high-fat diet and streptozotocin. Different concentrations of ART-loaded TCH were applied in tooth extraction sockets. Bone loss and the expression of osteogenic regulatory factors (OPG, ALP, RANK) were evaluated. The immunoregulatory effects of ART-loaded TCH were observed through detecting the infiltration of T lymphocytes and their cytokines. The underlying mechanisms were explored. RESULTS Results showed that the 150 mg/ml ART-loaded TCH group significantly ameliorated maxilla bone height and bone mineral density when compared with the T2DM group (p < 0.05). It also improved the expression of OPG, ALP, and RANK. Although the alteration of CD4+ T, CD8+ T, and CD4+:CD8+ T ratio has no significant difference among groups, the release of Th1 and Th2 in the 150 mg/ml ART-loaded TCH group has been significantly regulated than in the T2DM group (p < 0.05). Besides, ART-loaded TCH treatment inhibited the expression of p38 MAPK and ERK1 in T2DM maxilla. CONCLUSIONS Therefore, the results indicated that 150 mg/ml ART-loaded TCH could be an effective method to prevent bone loss in T2DM tooth extraction rats by modulating the immunoregulation of Th1 and Th2 and the MAPK signaling pathway.
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Affiliation(s)
- Jinghong Luo
- College & Hospital of Stomatology, Guangxi Medical University, No.10 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Chen Liang
- College & Hospital of Stomatology, Guangxi Medical University, No.10 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Kun Chen
- College & Hospital of Stomatology, Guangxi Medical University, No.10 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Kai Zeng
- College & Hospital of Stomatology, Guangxi Medical University, No.10 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Rui Bai
- College & Hospital of Stomatology, Guangxi Medical University, No.10 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Chan Tang
- College & Hospital of Stomatology, Guangxi Medical University, No.10 Shuangyong Road, Nanning, Guangxi, 530021, China
| | - Jiaquan Li
- Medical Science Research Center, Guangxi Medical University, Nanning, Guangxi, 530021, China
- Life Science Institute, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Xiaolin Nong
- College & Hospital of Stomatology, Guangxi Medical University, No.10 Shuangyong Road, Nanning, Guangxi, 530021, China.
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Nanning, Guangxi, 530021, China.
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Garg A, Agrawal R, Singh Chauhan C, Deshmukh R. In-situ gel: A smart carrier for drug delivery. Int J Pharm 2024; 652:123819. [PMID: 38242256 DOI: 10.1016/j.ijpharm.2024.123819] [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: 11/03/2023] [Revised: 01/16/2024] [Accepted: 01/16/2024] [Indexed: 01/21/2024]
Abstract
In-situ gel technology is a promising drug delivery strategy that undergoes a 'sol to gel' transition upon administration, providing controlled and prolonged drug release. These gels are composed of cross-linked 3D networks of polymers, with hydrogels being a specific type of absorbing water while retaining their shape. Gelation can be triggered by various stimuli, such as temperature, pH, ions, and light. They offer several advantages like improved patient compliance, extended drug residence time, localized drug delivery, etc, but also have some disadvantages like drug degradation and limited mechanical strength. In-situ gel falls into three categories: temperature-sensitive, ion-sensitive, and pH-sensitive, but multi-responsive gels that respond to multiple stimuli have better drug release characteristics. The mechanism of in-situ gel formation involves physical and chemical mechanisms. There are various applications of in-situ gel, like ocular drug delivery, nose-to-brain delivery, etc. In this review, we have discussed the types, and mechanisms of in-situ gel & use of in-situ gel in the treatment of different diseases through various routes like buccal, vaginal, ocular, nasal, etc., along with its use in targeted drug delivery.
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Affiliation(s)
- Akash Garg
- Bhupal Noble's University, New Shiv Nagar, Central Area, Udaipur, Rajasthan 313001, India.
| | - Rutvi Agrawal
- Bhupal Noble's University, New Shiv Nagar, Central Area, Udaipur, Rajasthan 313001, India
| | - Chetan Singh Chauhan
- Bhupal Noble's University, New Shiv Nagar, Central Area, Udaipur, Rajasthan 313001, India
| | - Rohitas Deshmukh
- Institute of Pharmaceutical Research, GLA University, Mathura, India
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Wassif RK, Elkheshen SA, Shamma RN, Amer MS, Elhelw R, El-Kayal M. Injectable systems of chitosan in situ forming composite gel incorporating linezolid-loaded biodegradable nanoparticles for long-term treatment of bone infections. Drug Deliv Transl Res 2024; 14:80-102. [PMID: 37542190 PMCID: PMC10746766 DOI: 10.1007/s13346-023-01384-x] [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] [Accepted: 06/11/2023] [Indexed: 08/06/2023]
Abstract
The objective of the current study was to create an efficient, minimally invasive combined system comprising in situ forming hydrogel loaded with both spray-dried polymeric nanoparticles encapsulating linezolid and nanohydroxyapatite for local injection to bones or their close vicinity. The developed system was designed for a dual function namely releasing the drug in a sustained manner for long-term treatment of bone infections and supporting bone proliferation and new tissues generation. To achieve these objectives, two release sustainment systems for linezolid were optimized namely a composite in situ forming chitosan hydrogel and spray-dried PLGA/PLA solid nanoparticles. The composite, in situ forming hydrogel of chitosan was prepared using two different gelling agents namely glycerophosphate (GP) and sodium bicarbonate (NaHCO3) at 3 different concentrations each. The spray-dried linezolid-loaded PLGA/PLA nanoparticles were developed using a water-soluble carrier (PVP K30) and a lipid soluble one (cetyl alcohol) along with 3 types of DL-lactide and/or DL-lactide-co-glycolide copolymer using nano-spray-drying technique. Finally, the optimized spray-dried linezolid nanoparticles were incorporated into the optimized composite hydrogel containing nanohydroxy apatite (nHA). The combined hydrogel/nanoparticle systems displayed reasonable injectability with excellent gelation time at 37 °C. The optimum formulae sustained the release of linezolid for 7-10 days, which reveals its ability to reduce the frequency of injection during the course of treatment of bones infections and increase the patients' compliance. They succeeded to alleviate the bone infections and the associated clinical, biochemical, radiological, and histopathological changes within 2-4 weeks of injection. As to the state of art in this study and to the best of our knowledge, no such complete and systematic study on this type of combined in situ forming hydrogel loaded with spray-dried nanoparticles of linezolid is available yet in literatures.
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Affiliation(s)
- Reem Khaled Wassif
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Future University in Egypt, Cairo, Egypt
| | - Seham A Elkheshen
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr Elini Street, Cairo, 11562, Egypt.
| | - Rehab Nabil Shamma
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr Elini Street, Cairo, 11562, Egypt
| | - Mohammed S Amer
- Department of Surgery, Anaesthesiology and Radiology, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - Rehab Elhelw
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - Maha El-Kayal
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Future University in Egypt, Cairo, Egypt
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Durán E, Neira-Carrillo A, Oyarzun-Ampuero F, Valenzuela C. Thermosensitive Chitosan Hydrogels: A Potential Strategy for Prolonged Iron Dextran Parenteral Supplementation. Polymers (Basel) 2023; 16:139. [PMID: 38201804 PMCID: PMC10780544 DOI: 10.3390/polym16010139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/18/2023] [Accepted: 12/26/2023] [Indexed: 01/12/2024] Open
Abstract
Iron deficiency anemia (IDA) presents a global health challenge, impacting crucial development stages in humans and other mammals. Pigs, having physiological and metabolic similarities with humans, are a valuable model for studying and preventing anemia. Commonly, a commercial iron dextran formulation (CIDF) with iron dextran particles (IDPs) is intramuscularly administered for IDA prevention in pigs, yet its rapid metabolism limits preventive efficacy. This study aimed to develop and evaluate chitosan thermosensitive hydrogels (CTHs) as a novel parenteral iron supplementation strategy, promoting IDPs' prolonged release and mitigating their rapid metabolism. These CTHs, loaded with IDPs (0.1, 0.2, and 0.4 g of theoretical iron/g of chitosan), were characterized for IM iron supplementation. Exhibiting thermosensitivity, these formulations facilitated IM injection at ~4 °C, and its significant increasing viscosity at 25-37 °C physically entrapped the IDPs within the chitosan's hydrophobic gel without chemical bonding. In vitro studies showed CIDF released all the iron in 6 h, while CTH0.4 had a 40% release in 72 h, mainly through Fickian diffusion. The controlled release of CTHs was attributed to the physical entrapment of IDPs within the CTHs' gel, which acts as a diffusion barrier. CTHs would be an effective hydrogel prototype for prolonged-release parenteral iron supplementation.
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Affiliation(s)
- Emerson Durán
- Departamento de Fomento de la Producción Animal, Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Santa Rosa 11.735, La Pintana 8820808, Santiago, Chile;
- Programa de Doctorado en Ciencias Silvoagropecuarias y Veterinarias, Campus Sur Universidad de Chile, Santa Rosa 11.315, La Pintana 8820808, Santiago, Chile
| | - Andrónico Neira-Carrillo
- Laboratorios de Materiales Bio-Relacionados (CIMAT) y Síntesis y Caracterización de Polímeros Funcionalizados y Biomoléculas (POLYFORMS), Departamento de Ciencias Biológicas Animales, Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Santa Rosa 11.735, La Pintana 8820808, Santiago, Chile;
| | - Felipe Oyarzun-Ampuero
- Departamento de Ciencias y Tecnología Farmacéuticas, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santos Dumont 964, Independencia 8380494, Santiago, Chile
| | - Carolina Valenzuela
- Departamento de Fomento de la Producción Animal, Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Santa Rosa 11.735, La Pintana 8820808, Santiago, Chile;
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Do NHN, Huynh TNA, Le TX, Ha AC, Le PK. Encapsulation of Triphasia trifolia extracts by pH and thermal dual-sensitive chitosan hydrogels for controlled release. Carbohydr Polym 2023; 320:121264. [PMID: 37659803 DOI: 10.1016/j.carbpol.2023.121264] [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: 05/28/2023] [Revised: 07/25/2023] [Accepted: 08/03/2023] [Indexed: 09/04/2023]
Abstract
Recent studies have developed varied delivery systems incorporating natural compounds to improve the limitations of plant extracts for clinical use while enabling their controlled release at treatment sites. For the first time, ethanolic limeberry extract (Triphasia trifolia) has been successfully encapsulated in thermo-sensitive chitosan hydrogels by a facile in situ loading. The extract-incorporated chitosan hydrogels have a pH value of nearly 7.00, gelation temperatures in the range of 37-38 °C, and exhibit an open-cell porous structure, thus allowing them to absorb and retain 756 % of their mass in water. The in vitro extract release from the hydrogels is driven by both temperature and pH, resulting in more than 70 % of the initial extract being released within the first 24 h. Although the release half-life of hydrogels at pH 7.4 is longer, their release capacity is higher than that at pH 6.5. Upon a 2 °C increase in temperature, the time to release 50 % initial extract is sharply reduced by 20-40 %. The release kinetics from the hydrogels mathematically demonstrated that diffusion is a prominent driving force over chitosan relaxation. Consequently, the developed hydrogels encapsulating the limeberry extract show their heat and pH sensitivity in controlled release for treating chronic wounds.
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Affiliation(s)
- Nga H N Do
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, Vietnam
| | - Tuan N A Huynh
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, Vietnam
| | - Tien X Le
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, Vietnam
| | - Anh C Ha
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, Vietnam
| | - Phung K Le
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, Vietnam.
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Gao R, Xu S, Chen C, Liu D, He Y, Zang Y, Dong X, Ma G, Liu H. Impact of 1,25-dihydroxyvitamin D 3 PLGA-nanoparticles/chitosan hydrogel on osteoimmunomodulation. Int J Biol Macromol 2023; 247:125624. [PMID: 37392919 DOI: 10.1016/j.ijbiomac.2023.125624] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/14/2023] [Accepted: 06/28/2023] [Indexed: 07/03/2023]
Abstract
Severe bone defects that extend beyond a critical size do not heal on their own, increasing the risk of complications and leading to poor outcomes for patients. Healing is a highly coordinated and complex process in which immune cells have an important function making the design and preparation of biomaterials with immunomodulatory functions an important new therapeutic strategy. 1,25-dihydroxyvitamin D3 (VD3) is crucial for bone metabolism and immune regulation. For post-defect bone regeneration, we developed a drug delivery system (DDS) based on chitosan (CS) and nanoparticles (NPs) to sustain the release effect of VD3 and desirable biological characteristics. The hydrogel system was physically characterized and confirmed to have good mechanical strength, degradation rate, and drug release rate. In vitro experiments showed that the cells had good biological activity when the hydrogel was co-cultured with MC3T3-E1 and RAW264.7. The high expression of ARG-1 and low expression of iNOS in macrophages confirmed that VD3-NPs/CS-GP hydrogel transformed lipopolysaccharide-induced M1 macrophages into M2 macrophages. Alkaline phosphatase and alizarin red staining showed that VD3-NPs/CS-GP hydrogel promoted osteogenic differentiation under inflammatory conditions. In conclusion, VD3-NPs/CS-GP hydrogel with synergistic anti-inflammatory and pro-osteogenic differentiation effects may serve as a potential immunomodulatory biomaterial for bone repair and regeneration in cases of bone defects.
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Affiliation(s)
- Rongzhu Gao
- School of Stomatology, Dalian Medical University, Dalian 116044, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Dalian 116044, China; Department of Stomatology, Changhai hospital, Shanghai 200433, China
| | - Shaoyang Xu
- School of Stomatology, Dalian Medical University, Dalian 116044, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Dalian 116044, China
| | - Chen Chen
- School of Stomatology, Dalian Medical University, Dalian 116044, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Dalian 116044, China
| | - Donglei Liu
- School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China; School of Basic Medicine, Binzhou Medical University, Yantai 264003, China
| | - Yuzhu He
- School of Stomatology, Dalian Medical University, Dalian 116044, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Dalian 116044, China
| | - Yaran Zang
- School of Stomatology, Dalian Medical University, Dalian 116044, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Dalian 116044, China
| | - Xufeng Dong
- School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Guowu Ma
- School of Stomatology, Dalian Medical University, Dalian 116044, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Dalian 116044, China.
| | - Huiying Liu
- School of Stomatology, Dalian Medical University, Dalian 116044, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Dalian 116044, China.
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10
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Perkušić M, Nižić Nodilo L, Ugrina I, Špoljarić D, Jakobušić Brala C, Pepić I, Lovrić J, Safundžić Kučuk M, Trenkel M, Scherließ R, Zadravec D, Kalogjera L, Hafner A. Chitosan-Based Thermogelling System for Nose-to-Brain Donepezil Delivery: Optimising Formulation Properties and Nasal Deposition Profile. Pharmaceutics 2023; 15:1660. [PMID: 37376108 DOI: 10.3390/pharmaceutics15061660] [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: 04/17/2023] [Revised: 05/16/2023] [Accepted: 06/01/2023] [Indexed: 06/29/2023] Open
Abstract
Donepezil nasal delivery strategies are being continuously investigated for advancing therapy in Alzheimer's disease. The aim of this study was to develop a chitosan-based, donepezil-loaded thermogelling formulation tailored to meet all the requirements for efficient nose-to-brain delivery. A statistical design of the experiments was implemented for the optimisation of the formulation and/or administration parameters, with regard to formulation viscosity, gelling and spray properties, as well as its targeted nasal deposition within the 3D-printed nasal cavity model. The optimised formulation was further characterised in terms of stability, in vitro release, in vitro biocompatibility and permeability (using Calu-3 cells), ex vivo mucoadhesion (using porcine nasal mucosa), and in vivo irritability (using slug mucosal irritation assay). The applied research design resulted in the development of a sprayable donepezil delivery platform characterised by instant gelation at 34 °C and olfactory deposition reaching a remarkably high 71.8% of the applied dose. The optimised formulation showed prolonged drug release (t1/2 about 90 min), mucoadhesive behaviour, and reversible permeation enhancement, with a 20-fold increase in adhesion and a 1.5-fold increase in the apparent permeability coefficient in relation to the corresponding donepezil solution. The slug mucosal irritation assay demonstrated an acceptable irritability profile, indicating its potential for safe nasal delivery. It can be concluded that the developed thermogelling formulation showed great promise as an efficient donepezil brain-targeted delivery system. Furthermore, the formulation is worth investigating in vivo for final feasibility confirmation.
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Affiliation(s)
- Mirna Perkušić
- Department of Pharmaceutical Technology, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
| | - Laura Nižić Nodilo
- Department of Pharmaceutical Technology, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
| | | | | | - Cvijeta Jakobušić Brala
- Department of Physical Chemistry, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
| | - Ivan Pepić
- Department of Pharmaceutical Technology, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
| | - Jasmina Lovrić
- Department of Pharmaceutical Technology, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
| | | | - Marie Trenkel
- Department of Pharmaceutics and Biopharmaceutics, Faculty of Mathematics and Natural Sciences, Kiel University, 24118 Kiel, Germany
| | - Regina Scherließ
- Department of Pharmaceutics and Biopharmaceutics, Faculty of Mathematics and Natural Sciences, Kiel University, 24118 Kiel, Germany
- Priority Research Area Kiel Nano, Surface and Interface Sciences (KiNSIS), Kiel University, 24118 Kiel, Germany
| | - Dijana Zadravec
- Department of Diagnostic and Interventional Radiology, University Hospital Center Sestre Milosrdnice, University of Zagreb School of Dental Medicine, 10000 Zagreb, Croatia
| | - Livije Kalogjera
- ORL/HNS Department, University Hospital Center Sestre Milosrdnice, Zagreb School of Medicine, 10000 Zagreb, Croatia
| | - Anita Hafner
- Department of Pharmaceutical Technology, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
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11
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Sharma A, Kaur I, Dheer D, Nagpal M, Kumar P, Venkatesh DN, Puri V, Singh I. A propitious role of marine sourced polysaccharides: Drug delivery and biomedical applications. Carbohydr Polym 2023; 308:120448. [PMID: 36813329 DOI: 10.1016/j.carbpol.2022.120448] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 11/06/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022]
Abstract
Numerous compounds, with extensive applications in biomedical and biotechnological fields, are present in the oceans, which serve as a prime renewable source of natural substances, further promoting the development of novel medical systems and devices. Polysaccharides are present in the marine ecosystem in abundance, promoting minimal extraction costs, in addition to their solubility in extraction media, and an aqueous solvent, along with their interactions with biological compounds. Certain algae-derived polysaccharides include fucoidan, alginate, and carrageenan, while animal-derived polysaccharides comprise hyaluronan, chitosan and many others. Furthermore, these compounds can be modified to facilitate their processing into multiple shapes and sizes, as well as exhibit response dependence to external conditions like temperature and pH. All these properties have promoted the use of these biomaterials as raw materials for the development of drug delivery carrier systems (hydrogels, particles, capsules). The present review enlightens marine polysaccharides providing its sources, structures, biological properties, and its biomedical applications. In addition to this, their role as nanomaterials is also portrayed by the authors, along with the methods employed to develop them and associated biological and physicochemical properties designed to develop suitable drug delivery systems.
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Affiliation(s)
- Ameya Sharma
- Chitkara School of Pharmacy, Chitkara University, Himachal Pradesh, India
| | - Ishnoor Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab, India; University of Glasgow, College of Medical, Veterinary and Life Sciences, Glasgow, United Kingdom, G12 8QQ
| | - Divya Dheer
- Chitkara School of Pharmacy, Chitkara University, Himachal Pradesh, India
| | - Manju Nagpal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Pradeep Kumar
- Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - D Nagasamy Venkatesh
- JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Tamil Nadu, India
| | - Vivek Puri
- Chitkara School of Pharmacy, Chitkara University, Himachal Pradesh, India.
| | - Inderbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
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12
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Kong X, Chen H, Li F, Zhang F, Jiang Y, Song J, Sun Y, Zhao B, Shi J. Three-dimension chitosan hydrogel loading melanin composite nanoparticles for wound healing by anti-bacteria, immune activation and macrophage autophagy promotion. Int J Biol Macromol 2023; 237:124176. [PMID: 37023589 DOI: 10.1016/j.ijbiomac.2023.124176] [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: 02/07/2023] [Revised: 03/15/2023] [Accepted: 03/21/2023] [Indexed: 04/08/2023]
Abstract
Application of Combined photodynamic therapy (PDT) and photothermal therapy (PTT) has become one of the most promising strategy to replace antibiotics and avoid the epidemic of drug-resistant strains during wound healing. However, high amount of reactive oxygen species (ROS) and high temperature cause severe stress response to normal tissues, leading to potential risks of wound healing. Herein, a three-dimension chitosan hydrogel melanin-glycine-C60 nanoparticles (MGC NPs) were prepared to realized effective anti-bacterial activity, immune activation and macrophage autophagy promotion in three-dimensional wound space without triggering stress response. MGC NP is a composite polymer material composed of natural melanin polymer, oligopeptide and carbon-based material, which showed excellent biological safety. By regulating the peptide length between melanin and C60 and nanoparticle content, a high ROS/heat environment at the upper wound site and a low ROS/heat environment at the lower region adjacent to the wound tissue were established to obtain a three-dimension hydrogel with precise PDT and PTT efficiency in different regions. Highly effective PDT/PTT was used to kill microorganisms in upper region, thus providing a barrier to reduce microbial infection. Mild PDT/PTT in lower region promoted the polarization of M1 macrophage to M2 macrophage and activated autophagy of M2 macrophages, regulating the immune microenvironment and promoting wound repair. In conclusion, the novel three-dimensional PDT/PTT therapy based on natural macromolecules proposed in this study accelerates wound healing through dual pathways on the premise of avoiding wound stress response, which is of great significance for the development of clinical strategies for phototherapy.
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Affiliation(s)
- Xiaoying Kong
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao, China
| | - Haoyu Chen
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao, China
| | - Fuqiang Li
- Department of Physics, Pukyong National University, Busan 48513, South Korea
| | - Fenglan Zhang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao, China
| | - Yuping Jiang
- School of medicine and pharmacy, Ocean University of China, No. 5 Yushan road, Qingdao, China
| | - Junyao Song
- Bassars college of future agricultural science and technology, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao, China
| | - Yuanliang Sun
- Department of Spine Surgery, Affiliated Hospital of Qingdao University, No. 16 Jiangsu road, Qingdao, China.
| | - Bin Zhao
- Qingdao Shenkang Stem Cell Biotechnology Co., Ltd, Qingdao, China.
| | - Jinsheng Shi
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao, China; Department of public course teaching, University of Health and Rehabilitation Sciences, Oingdao, China.
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13
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Bhuiyan MH, Clarkson AN, Ali MA. Optimization of thermoresponsive chitosan/β-glycerophosphate hydrogels for injectable neural tissue engineering application. Colloids Surf B Biointerfaces 2023; 224:113193. [PMID: 36773410 DOI: 10.1016/j.colsurfb.2023.113193] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/17/2023] [Accepted: 01/31/2023] [Indexed: 02/04/2023]
Abstract
Regeneration of neural tissue and recovery of lost functions following an accident or disease to the central nervous system remains a major challenge worldwide, with limited treatment options available. The main reason for the failure of conventional therapeutic techniques to regenerate neural tissue is the presence of blood-brain barrier separating nervous system from systemic circulation and the limited capacity of self-regeneration of the nervous system. Injectable hydrogels have shown great promise for neural tissue engineering given their suitability for minimally invasive in situ delivery and tunable mechanical and biological properties. Chitosan (CS)/β-glycerophosphate (β-GP) hydrogels have been extensively investigated and shown regenerative potential in a wide variety of tissues such as bone and cartilage tissue engineering. However, the potential of CS/β-GP hydrogels has never been tested for injectable neural tissue engineering applications. In the present study, CS/β-GP hydrogels, consisting of 0.5-2% CS and 2-3% β-GP, were prepared and characterized to investigate their suitability for injectable neural tissue engineering applications. The resulting CS/β-GP-hydrogels showed a varying range of properties depending on the CS/β-GP blend ratio. In particular, the 0.5%:3% and 0.75%:3% CS/β-GP hydrogels underwent rapid gelation (3 min and 5 min, respectively) at physiological temperature (37 °C) and pH (7.4). They also had suitable porosity, osmolality, swelling behavior and biodegradation for tissue engineering. The biocompatibility of hydrogels was determined in vitro using PC12 cells, an immortalized cell line with neuronal cell-like properties, revealing that these hydrogels supported cell growth and proliferation. In conclusion, the thermoresponsive 0.5%:3% and 0.75%:3% CS/β-GP hydrogels had the greatest potential for neural tissue engineering.
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Affiliation(s)
- Mozammel Haque Bhuiyan
- Center for Bioengineering and Nanomedicine, University of Otago, PO Box 56, Dunedin 9054, New Zealand; Department of Anatomy, Brain Health Research Centre and Brain Research New Zealand, University of Otago, PO Box 56, Dunedin 9054, New Zealand; Sir John Walsh Research Institute, Faculty of Dentistry, Division of Health Science, University of Otago, PO Box 56, Dunedin 9054, New Zealand.
| | - Andrew N Clarkson
- Department of Anatomy, Brain Health Research Centre and Brain Research New Zealand, University of Otago, PO Box 56, Dunedin 9054, New Zealand.
| | - M Azam Ali
- Center for Bioengineering and Nanomedicine, University of Otago, PO Box 56, Dunedin 9054, New Zealand; Sir John Walsh Research Institute, Faculty of Dentistry, Division of Health Science, University of Otago, PO Box 56, Dunedin 9054, New Zealand.
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14
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Li H, Liang X, Sun W, Zhuang B, Cao Y, Zhang J, Shen J, Wang Y, Yu L. Immunological evaluation of a recombinant vaccine delivered with an analogous hyaluronic acid chitosan nanoparticle-hydrogel against Toxoplasma gondii in mice. Microb Pathog 2023; 179:106092. [PMID: 37003502 DOI: 10.1016/j.micpath.2023.106092] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 03/25/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023]
Abstract
BACKGROUND Toxoplasma gondii (T. gondii) is not only a threat to the public health but it also poses adverse impacts on the livestock industry. This study aimed to develop a recombinant vaccine composed of T. gondii microneme protein 6 (TgMIC6) and T. gondii rhoptry protein 18 (TgROP18).The vaccine was delivered with a novel vector, named analogous hyaluronic acid chitosan nanoparticle-hydrogel (AHACNP-HG) and its immune protection was evaluated. METHODS The recombinant MIC6 and ROP18 proteins were obtained by affinity chromatography and loaded onto AHACNP-HG by magnetic stirring. The characterizations of AHACNP-HG were investigated, including its structure, rheological property, nanoparticle size and zeta potential, its ability to release protein in vitro and toxicology in vivo. The immunological and anti-infection effects of AHACNP-HG/rMIC6/rROP18 were examined in the mice model. RESULTS AHACNP-HG presented a characteristic of composite system and possessed biosecurity with excellent protein control-release property. AHACNP-HG/rMIC6/rROP18 vaccine enhanced a mixed Th1/Th2 cellular immune response accompanied by an increased level of the cytokines, IFN-γ and IL-10. It also provoked a stronger humoral immune response. Additionally, after challenge with T. gondii tachyzoite, AHACNP-HG/rMIC6/rROP18 inoculation prolonged the survival time of mice. CONCLUSION Our data indicated that mixed rMIC6 and rROP18 induced strong immune response and played a certain protective role in controlling T. gondii infection, and the novel adjuvant AHACNP-HG improved modestly some immunogenicity properties in mouse model, which indicated that it can be used as a novel delivery system in vaccine development.
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Affiliation(s)
- Hu Li
- Department of Microbiology and Parasitology, Anhui Province Key Laboratory of Microbiology and Parasitology, The Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China; Department of Clinical Laboratory, Taihe People's Hospital, Fuyang, 236600, China.
| | - Xiao Liang
- School of Life Sciences, Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, 230032, China.
| | - Wenze Sun
- Department of Microbiology and Parasitology, Anhui Province Key Laboratory of Microbiology and Parasitology, The Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China.
| | - Baocan Zhuang
- Department of Microbiology and Parasitology, Anhui Province Key Laboratory of Microbiology and Parasitology, The Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China.
| | - Yuanyuan Cao
- Department of Microbiology and Parasitology, Anhui Province Key Laboratory of Microbiology and Parasitology, The Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China.
| | - Junling Zhang
- Department of Microbiology and Parasitology, Anhui Province Key Laboratory of Microbiology and Parasitology, The Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China.
| | - Jilong Shen
- Department of Microbiology and Parasitology, Anhui Province Key Laboratory of Microbiology and Parasitology, The Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China.
| | - Yongzhong Wang
- School of Life Sciences, Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, 230032, China.
| | - Li Yu
- Department of Microbiology and Parasitology, Anhui Province Key Laboratory of Microbiology and Parasitology, The Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China.
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15
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In situ gelling drug delivery systems for topical drug delivery. Eur J Pharm Biopharm 2023; 184:36-49. [PMID: 36642283 DOI: 10.1016/j.ejpb.2023.01.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/06/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023]
Abstract
In situ gelling formulations are drug delivery systems which typically exist in a liquid form at room temperature and change into gel state after application to the body in response to various stimuli such as changes in temperature, pH and ionic composition. Their biomedical application can further be improved by incorporating drug nanoparticles into in situ gelling systems in order to prolong drug release, reduce dosing frequency and improve therapeutic outcomes of patients, developing highly functional but challenging dosage forms. The composition of in situ gelling formulations influence factors relating to performance such as their syringeability, rheology, drug release profile and drug bioavailability at target sites, amongst other factors. The inclusion of mucoadhesive polymeric constituents into in situ gelling formulations has also been explored to ensure that the therapeutic agents are retained at target site for extended period of time. This review article will discuss traditional techniques (water bath-based vial inversion and viscometry) as well as advanced methodology (rheometry, differential scanning calorimetry, Small Angle Neutron Scattering, Small Angle X-ray Scattering, etc.) for evaluating in situ gel forming systems for topical drug delivery. The clinical properties of in situ gelling systems that have been studied for potential biomedical applications over the last ten years will be reviewed to highlight current knowledge in the performance of these systems. Formulation issues that have slowed the translation of some promising drug formulations from the research laboratory to the clinic will also be detailed.
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16
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Petroni S, Tagliaro I, Antonini C, D’Arienzo M, Orsini SF, Mano JF, Brancato V, Borges J, Cipolla L. Chitosan-Based Biomaterials: Insights into Chemistry, Properties, Devices, and Their Biomedical Applications. Mar Drugs 2023; 21:md21030147. [PMID: 36976196 PMCID: PMC10059909 DOI: 10.3390/md21030147] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 03/02/2023] Open
Abstract
Chitosan is a marine-origin polysaccharide obtained from the deacetylation of chitin, the main component of crustaceans’ exoskeleton, and the second most abundant in nature. Although this biopolymer has received limited attention for several decades right after its discovery, since the new millennium chitosan has emerged owing to its physicochemical, structural and biological properties, multifunctionalities and applications in several sectors. This review aims at providing an overview of chitosan properties, chemical functionalization, and the innovative biomaterials obtained thereof. Firstly, the chemical functionalization of chitosan backbone in the amino and hydroxyl groups will be addressed. Then, the review will focus on the bottom-up strategies to process a wide array of chitosan-based biomaterials. In particular, the preparation of chitosan-based hydrogels, organic–inorganic hybrids, layer-by-layer assemblies, (bio)inks and their use in the biomedical field will be covered aiming to elucidate and inspire the community to keep on exploring the unique features and properties imparted by chitosan to develop advanced biomedical devices. Given the wide body of literature that has appeared in past years, this review is far from being exhaustive. Selected works in the last 10 years will be considered.
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Affiliation(s)
- Simona Petroni
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milano, Italy
| | - Irene Tagliaro
- Department of Materials Science, University of Milano-Bicocca, 20125 Milano, Italy
| | - Carlo Antonini
- Department of Materials Science, University of Milano-Bicocca, 20125 Milano, Italy
| | | | - Sara Fernanda Orsini
- Department of Materials Science, University of Milano-Bicocca, 20125 Milano, Italy
| | - João F. Mano
- CICECO–Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Virginia Brancato
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milano, Italy
| | - João Borges
- CICECO–Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
- Correspondence: (J.B.); (L.C.); Tel.: +351-234372585 (J.B.); +39-0264483460 (L.C.)
| | - Laura Cipolla
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milano, Italy
- Correspondence: (J.B.); (L.C.); Tel.: +351-234372585 (J.B.); +39-0264483460 (L.C.)
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17
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Gholami M, Tajabadi M, Khavandi A, Azarpira N. Synthesis, optimization, and cell response investigations of natural-based, thermoresponsive, injectable hydrogel: An attitude for 3D hepatocyte encapsulation and cell therapy. Front Bioeng Biotechnol 2023; 10:1075166. [PMID: 36686232 PMCID: PMC9853065 DOI: 10.3389/fbioe.2022.1075166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 12/19/2022] [Indexed: 01/09/2023] Open
Abstract
For the purpose of developing a 3D vehicle for the delivery of hepatocytes in cell therapy, the improved system of crosslinker and new gelling agent combinations consisting of glycerophosphate and sodium hydrogen carbonate have been employed to produce injectable, thermoresponsive hydrogels based on chitosan and silk fibroin. Adjusting the polymer-to-gelling agent ratio and utilizing a chemical crosslinker developed hydrogel scaffolds with optimal gelling time and pH. Applying sodium hydrogen carbonate neutralizes chitosan while keeping its thermoresponsive characteristics and decreases glycerophosphate from 60% to 30%. Genipin boosts the mechanical properties of hydrogel without affecting the gel time. Due to their stable microstructure and lower amine availability, genipin-containing materials have a low swelling ratio, around six compared to eight for those without genipin. Hydrogels that are crosslinked degrade about half as fast as those that are not. The slowerr degradation of Silk fibroin compared to chitosan makes it an efficient degradation inhibitor in silk-containing formulations. All of the optimized samples showed less than 5% hemolytic activity, indicating that they lacked hemolytic characteristics. The acceptable cell viability in crosslinked hydrogels ranges from 72% to 91% due to the decreasing total salt concentration, which protects cells from hyperosmolality. The pH of hydrogels and their interstitial pores kept most encapsulated cells alive and functioning for 24 h. Urea levels are higher in the encapsulation condition compared to HepG2 cultivated alone, and this may be due to cell-matrix interactions that boost liver-specific activity. Urea synthesis in genipin crosslinked hydrogels increased dramatically from day 1 (about 4 mg dl-1) to day 3 (approximately 6 mg dl-1), suggesting the enormous potential of these hydrogels for cell milieu preparation. All mentioned findings represent that the optimized system may be a promising candidate for liver regeneration.
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Affiliation(s)
- Mahnaz Gholami
- School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Tehran, Iran
| | - Maryam Tajabadi
- School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Tehran, Iran,*Correspondence: Maryam Tajabadi,
| | - Alireza Khavandi
- School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Tehran, Iran
| | - Negar Azarpira
- Transplant Research Center, Shiraz University of Medical Science, Shiraz, Iran
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Kaul L, Grundmann CE, Köll-Weber M, Löffler H, Weiz A, Zannettino ACW, Richter K, Süss R. A Thermosensitive, Chitosan-Based Hydrogel as Delivery System for Antibacterial Liposomes to Surgical Site Infections. Pharmaceutics 2022; 14:pharmaceutics14122841. [PMID: 36559332 PMCID: PMC9784289 DOI: 10.3390/pharmaceutics14122841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/09/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022] Open
Abstract
Prophylaxis and the treatment of surgical site infections (SSIs) with antibiotics frequently fail due to the antibiotic resistance of bacteria and the ability of bacteria to reside in biofilms (i.e., bacterial clusters in a protective matrix). Therefore, alternative antibacterial treatments are required to combat biofilm infections. The combination of diethyldithiocarbamate (DDC-) and copper ions (Cu2+) exhibited antibiofilm activity against the staphylococci species associated with SSIs; however, the formation of a water-insoluble Cu(DDC)2 complex limits its application to SSIs. Here, we describe the development and antibiofilm activity of an injectable gel containing a liposomal formulation of Cu(DDC)2 and Cu2+ (lipogel). Lyophilized liposomes were incorporated into a mixture of chitosan (CS) and beta-glycerophosphate (βGP), and the thermosensitive gelling properties of CS-βGP and the lipogel were determined. The liposomes remained stable after lyophilization over six months at 4-6 °C and -20 °C. The sol-gel transition of the gel and lipogel occurred between 33 and 39 °C, independently of sterilization or storage at -20 °C. CS-βGP is biocompatible and the liposomes were released over time. The lipogel prevented biofilm formation over 2 days and killed 98.7% of the methicillin-resistant Staphylococcus aureus and 99.9% of the Staphylococcus epidermidis biofilms. Therefore, the lipogel is a promising new prophylaxis and treatment strategy for local application to SSIs.
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Affiliation(s)
- Laurine Kaul
- Richter Lab, Department of Surgery, Basil Hetzel Institute for Translational Health Research, University of Adelaide, 37 Woodville Rd., Adelaide, SA 5011, Australia
- Institute of Pharmaceutical Sciences, Department of Pharmaceutics, University of Freiburg, Sonnenstr. 5, 79104 Freiburg, Germany
- Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, North Terrace, Adelaide, SA 5000, Australia
- Correspondence:
| | - Clara E. Grundmann
- Institute of Pharmaceutical Sciences, Department of Pharmaceutics, University of Freiburg, Sonnenstr. 5, 79104 Freiburg, Germany
| | - Monika Köll-Weber
- Institute of Pharmaceutical Sciences, Department of Pharmaceutics, University of Freiburg, Sonnenstr. 5, 79104 Freiburg, Germany
| | - Hanna Löffler
- Institute of Pharmaceutical Sciences, Department of Pharmaceutics, University of Freiburg, Sonnenstr. 5, 79104 Freiburg, Germany
| | - Artur Weiz
- Institute of Pharmaceutical Sciences, Department of Pharmaceutics, University of Freiburg, Sonnenstr. 5, 79104 Freiburg, Germany
| | - Andrew C. W. Zannettino
- Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, North Terrace, Adelaide, SA 5000, Australia
- Precision Cancer Medicine Theme, South Australian Health & Medical Research Institute, North Terrace, Adelaide, SA 5000, Australia
- Central Adelaide Local Health Network, 1 Port Rd., Adelaide, SA 5000, Australia
| | - Katharina Richter
- Richter Lab, Department of Surgery, Basil Hetzel Institute for Translational Health Research, University of Adelaide, 37 Woodville Rd., Adelaide, SA 5011, Australia
- Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, North Terrace, Adelaide, SA 5000, Australia
- Institute for Photonics and Advanced Sensing, North Terrace Campus, University of Adelaide, Adelaide, SA 5005, Australia
| | - Regine Süss
- Institute of Pharmaceutical Sciences, Department of Pharmaceutics, University of Freiburg, Sonnenstr. 5, 79104 Freiburg, Germany
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19
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Eltahir S, Al homsi R, Jagal J, Ahmed IS, Haider M. Graphene Oxide/Chitosan Injectable Composite Hydrogel for Controlled Release of Doxorubicin: An Approach for Enhanced Intratumoral Delivery. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:4261. [PMID: 36500884 PMCID: PMC9736459 DOI: 10.3390/nano12234261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/22/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Intratumoral (IT) injection of chemotherapeutics into needle-accessible solid tumors can directly localize the anticancer drug in the tumor site, thus increasing its local bioavailability and reducing its undesirable effects compared to systemic administration. In this study, graphene oxide (GO)-based chitosan/β-glycerophosphate (CS/GP) thermosensitive injectable composite hydrogels (CH) were prepared and optimized for the localized controlled delivery of doxorubicin (DOX). A quality-by-design (QbD) approach was used to study the individual and combined effects of several formulation variables to produce optimal DOX-loaded GO/CS/GP CH with predetermined characteristics, including gelation time, injectability, porosity, and swelling capacity. The surface morphology of the optimal formulation (DOX/opt CH), chemical interaction between its ingredients and in vitro release of DOX in comparison to GO-free CS/GP CH were investigated. Cell viability and cellular uptake after treatment with DOX/opt CH were studied on MCF 7, MDB-MB-231 and FaDu cell lines. The statistical analysis of the measured responses revealed significant effects of the concentration of GO, the concentration of CS, and the CS:GP ratio on the physicochemical characteristics of the prepared GO/CS/GP CH. The optimization process showed that DOX-loaded GO/CS/GP CH prepared using 0.1% GO and 1.7% CS at a CS: GO ratio of 3:1 (v/v) had the highest desirability value. DOX/opt CH showed a porous microstructure and chemical compatibility between its ingredients. The incorporation of GO resulted in an increase in the ability of the CH matrices to control DOX release in vitro. Finally, cellular characterization showed a time-dependent increase in cytotoxicity and cellular uptake of DOX after treatment with DOX/opt CH. The proposed DOX/opt CH might be considered a promising injectable platform to control the release and increase the local bioavailability of chemotherapeutics in the treatment of solid tumors.
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Affiliation(s)
- Safaa Eltahir
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Reem Al homsi
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Jayalakshmi Jagal
- Research Institute of Medical & Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Iman Saad Ahmed
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates
- Research Institute of Medical & Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Mohamed Haider
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates
- Research Institute of Medical & Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
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Bazeed AY, Day CM, Garg S. Pancreatic Cancer: Challenges and Opportunities in Locoregional Therapies. Cancers (Basel) 2022; 14:cancers14174257. [PMID: 36077794 PMCID: PMC9454856 DOI: 10.3390/cancers14174257] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 08/29/2022] [Accepted: 08/29/2022] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Pancreatic cancer is a serious ongoing global health burden, with an overall 5-year survival rate of less than 5%. One major hurdle in the treatment of this disease is the predominantly elderly patient population, leading to their ineligibility for curative surgery and a low rate of successful outcomes. Systemic administration introduces chemo-agents throughout the body via the blood, attacking not only tumours but also healthy organs. When localised interventions are employed, chemo-agents are retained specifically at tumour site, minimizing unwanted toxicity. As a result, there is a growing interest in finding novel localised interventions as alternatives to systemic therapy. Here, we present a detailed review of current locoregional therapies used in pancreatic cancer therapy. This work aims to present a thorough guide for researchers and clinicians intended to employ established and novel localised interventions in the treatment of pancreatic cancer. Furthermore, we present our insights and opinions on the potential ideals to improve these tools. Abstract Pancreatic cancer (PC) remains the seventh leading cause of cancer-related deaths worldwide and the third in the United States, making it one of the most lethal solid malignancies. Unfortunately, the symptoms of this disease are not very apparent despite an increasing incidence rate. Therefore, at the time of diagnosis, 45% of patients have already developed metastatic tumours. Due to the aggressive nature of the pancreatic tumours, local interventions are required in addition to first-line treatments. Locoregional interventions affect a specific area of the pancreas to minimize local tumour recurrence and reduce the side effects on surrounding healthy tissues. However, compared to the number of new studies on systemic therapy, very little research has been conducted on localised interventions for PC. To address this unbalanced focus and to shed light on the tremendous potentials of locoregional therapies, this work will provide a detailed discussion of various localised treatment strategies. Most importantly, to the best of our knowledge, the aspect of localised drug delivery systems used in PC was unprecedentedly discussed in this work. This review is meant for researchers and clinicians considering utilizing local therapy for the effective treatment of PC, providing a thorough guide on recent advancements in research and clinical trials toward locoregional interventions, together with the authors’ insight into their potential improvements.
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Al homsi R, Altahir S, Jagal J, Ali Abdelkareem M, Ghoneim MM, Rawas-Qalaji MM, Greish K, Haider M. Thermosensitive injectable graphene oxide/chitosan-based nanocomposite hydrogels for controlling the in vivo release of bupivacaine hydrochloride. Int J Pharm 2022; 621:121786. [DOI: 10.1016/j.ijpharm.2022.121786] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 04/07/2022] [Accepted: 04/26/2022] [Indexed: 12/23/2022]
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22
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Furlani F, Rossi A, Grimaudo MA, Bassi G, Giusto E, Molinari F, Lista F, Montesi M, Panseri S. Controlled Liposome Delivery from Chitosan-Based Thermosensitive Hydrogel for Regenerative Medicine. Int J Mol Sci 2022; 23:ijms23020894. [PMID: 35055097 PMCID: PMC8776110 DOI: 10.3390/ijms23020894] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 02/07/2023] Open
Abstract
This work describes the development of an injectable nanocomposite system based on a chitosan thermosensitive hydrogel combined with liposomes for regenerative medicine applications. Liposomes with good physicochemical properties are prepared and embedded within the chitosan network. The resulting nanocomposite hydrogel is able to provide a controlled release of the content from liposomes, which are able to interact with cells and be internalized. The cellular uptake is enhanced by the presence of a chitosan coating, and cells incubated with liposomes embedded within thermosensitive hydrogels displayed a higher cell uptake compared to cells incubated with liposomes alone. Furthermore, the gelation temperature of the system resulted to be equal to 32.6 °C; thus, the system can be easily injected in the target site to form a hydrogel at physiological temperature. Given the peculiar performance of the selected systems, the resulting thermosensitive hydrogels are a versatile platform and display potential applications as controlled delivery systems of liposomes for tissue regeneration.
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Affiliation(s)
- Franco Furlani
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
- Correspondence: (F.F.); (S.P.); Tel.: +39-0546-699-776 (F.F.); +39-0546-699-785 (S.P.)
| | - Arianna Rossi
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
| | - Maria Aurora Grimaudo
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
| | - Giada Bassi
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
| | - Elena Giusto
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
| | - Filippo Molinari
- Army Medical Center, Scientific Department, I-00184 Rome, Italy; (F.M.); (F.L.)
| | - Florigio Lista
- Army Medical Center, Scientific Department, I-00184 Rome, Italy; (F.M.); (F.L.)
| | - Monica Montesi
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
| | - Silvia Panseri
- National Research Council of Italy-Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, I-48018 Faenza, Italy; (A.R.); (M.A.G.); (G.B.); (E.G.); (M.M.)
- Correspondence: (F.F.); (S.P.); Tel.: +39-0546-699-776 (F.F.); +39-0546-699-785 (S.P.)
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Furlani F, Montanari M, Sangiorgi N, Saracino E, Campodoni E, Sanson A, Benfenati V, Tampieri A, Panseri S, Sandri M. Electroconductive and injectable hydrogels based on gelatin and PEDOT:PSS for mini-invasive approaches in nervous tissue regeneration. Biomater Sci 2022; 10:2040-2053. [DOI: 10.1039/d2bm00116k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work describes the development of electroconductive hydrogels as injectable matrices for neural tissue regeneration by exploiting a biocompatible conductive polymer – i.e. poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) – combined with a biomimetic...
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Gu S, Xu J, Teng W, Huang X, Mei H, Chen X, Nie G, Cui Z, Liu X, Zhang Y, Wang K. Local delivery of biocompatible lentinan/chitosan composite for prolonged inhibition of postoperative breast cancer recurrence. Int J Biol Macromol 2022; 194:233-245. [PMID: 34871653 DOI: 10.1016/j.ijbiomac.2021.11.186] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 10/26/2021] [Accepted: 11/27/2021] [Indexed: 12/25/2022]
Abstract
Postsurgical localized chemotherapy for breast cancer recurrence (BCR) still faces many problems which dampen researchers' enthusiasm and discounted prognosis. Simple strategies with controllable toxicities are expected to address these hurdles. Lentinan (LNT) has excellent biocompatibility and notable antitumor activity but rather low bioavailability after intravenous or oral administration. Here, a sponge-like LNT/chitosan composite (LNT/CS sponge) was prepared for efficient local delivery to prevent postoperative BCR. The obtained sponges exhibit uniform porosity and sustained release of LNT in vitro and in vivo. Furthermore, the sponges were implanted and showed significant reduction of postsurgical recurrence and suppression of long-term tumor regrowth with favorable biocompatibility in a subcutaneous postsurgical recurrence mouse model. Subsequent studies revealed that LNT can restrain the stemness of breast cancer cells, which may account for the long-term inhibition of tumor relapse. Therefore, LNT/CS sponge has a great potential as a promising alternative for postsurgical BCR.
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Affiliation(s)
- Saisai Gu
- Hubei Key Laboratory of Nature Medicinal Chemistry and Resource Evaluation, Tongji Medical College of Pharmacy, Huazhong University of Science and Technology, 430030 Wuhan, China
| | - Jingya Xu
- Hubei Key Laboratory of Nature Medicinal Chemistry and Resource Evaluation, Tongji Medical College of Pharmacy, Huazhong University of Science and Technology, 430030 Wuhan, China
| | - Wangtianzi Teng
- Hubei Key Laboratory of Nature Medicinal Chemistry and Resource Evaluation, Tongji Medical College of Pharmacy, Huazhong University of Science and Technology, 430030 Wuhan, China
| | - Xiao Huang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430030 Wuhan, China; Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, 430030 Wuhan, China
| | - Hao Mei
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430030 Wuhan, China; Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, 430030 Wuhan, China
| | - Xinting Chen
- Hwa Mei Hospital, University of Chinese Academy of Science, 315010 Ningbo, China
| | - Gang Nie
- Hubei Key Laboratory of Nature Medicinal Chemistry and Resource Evaluation, Tongji Medical College of Pharmacy, Huazhong University of Science and Technology, 430030 Wuhan, China
| | - Zheng Cui
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430030 Wuhan, China; Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, 430030 Wuhan, China
| | - Xiqiu Liu
- Hubei Key Laboratory of Nature Medicinal Chemistry and Resource Evaluation, Tongji Medical College of Pharmacy, Huazhong University of Science and Technology, 430030 Wuhan, China.
| | - Yu Zhang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430030 Wuhan, China; Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, 430030 Wuhan, China.
| | - Kaiping Wang
- Hubei Key Laboratory of Nature Medicinal Chemistry and Resource Evaluation, Tongji Medical College of Pharmacy, Huazhong University of Science and Technology, 430030 Wuhan, China.
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Asfour MH, Abd El-Alim SH, Awad GEA, Kassem AA. Chitosan/β-glycerophosphate in situ forming thermo-sensitive hydrogel for improved ocular delivery of moxifloxacin hydrochloride. Eur J Pharm Sci 2021; 167:106041. [PMID: 34655737 DOI: 10.1016/j.ejps.2021.106041] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/29/2021] [Accepted: 10/12/2021] [Indexed: 01/17/2023]
Abstract
The aim of the current work is to develop a thermo-sensitive hydrogel system of moxifloxacin hydrochloride (MOX) for improved ocular delivery. Fifteen formulations were prepared at different concentrations of β-glycerophosphate disodium salt (β-GP) 12-20% (w/v) and chitosan (CS) 1.7-1.9% (w/v). The optimized MOX loaded thermo-sensitive hydrogel system (F8), consisting of CS (1.8%, w/v) and β-GP (16%, w/v), showed optimum gelation temperature (35 °C) and gelation time (2 min), thus was selected for further investigations. It showed a significant decrease (p < 0.05) in the zeta potential value compared to CS solution with a favorable pH value (7.1) and confirmed thermoreversible behavior. MOX loaded F8 displayed a porous structure under scanning electron microscopy. Rheological investigation of MOX loaded F8 revealed the presence of a strong hydrogel network with high elasticity along with a small loss factor of 0.08 indicating a great ease of gel formation. The release of MOX from F8 was found to be governed by a combined mechanism of diffusion and relaxation. Biological assessment of two concentrations of MOX loaded F8 (0.25 and 0.5%) was conducted using healthy and infected male albino New Zealand rabbits, where an improved and prolonged antibacterial activity against Staphylococcus aureus compared to plain MOX (0.5%), marketed MOX eye drops (0.5%), was shown. Moreover, histopathological examination of ocular tissues confirmed the antibacterial efficacy of the optimized formulation eight days post topical therapy. Consequently, the developed CS/β-GP thermo-sensitive hydrogel system (F8) reveals a promising potential for enhancing the ocular delivery of MOX for treatment of bacterial infections.
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Affiliation(s)
- Marwa Hasanein Asfour
- Pharmaceutical Technology Department, National Research Centre, El-Buhouth St., Dokki, Cairo 12622, Egypt
| | - Sameh Hosam Abd El-Alim
- Pharmaceutical Technology Department, National Research Centre, El-Buhouth St., Dokki, Cairo 12622, Egypt.
| | - Ghada Elsayed Ahmed Awad
- Chemistry of Natural and Microbial Products Department, National Research Centre, El-Buhouth St., Dokki, Cairo 12622, Egypt
| | - Ahmed Alaa Kassem
- Pharmaceutical Technology Department, National Research Centre, El-Buhouth St., Dokki, Cairo 12622, Egypt
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26
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Chairside administrated antibacterial hydrogels containing berberine as dental temporary stopping for alveolar ridge preservation. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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The biological applications of DNA nanomaterials: current challenges and future directions. Signal Transduct Target Ther 2021; 6:351. [PMID: 34620843 PMCID: PMC8497566 DOI: 10.1038/s41392-021-00727-9] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 06/24/2021] [Accepted: 07/30/2021] [Indexed: 02/08/2023] Open
Abstract
DNA, a genetic material, has been employed in different scientific directions for various biological applications as driven by DNA nanotechnology in the past decades, including tissue regeneration, disease prevention, inflammation inhibition, bioimaging, biosensing, diagnosis, antitumor drug delivery, and therapeutics. With the rapid progress in DNA nanotechnology, multitudinous DNA nanomaterials have been designed with different shape and size based on the classic Watson-Crick base-pairing for molecular self-assembly. Some DNA materials could functionally change cell biological behaviors, such as cell migration, cell proliferation, cell differentiation, autophagy, and anti-inflammatory effects. Some single-stranded DNAs (ssDNAs) or RNAs with secondary structures via self-pairing, named aptamer, possess the ability of targeting, which are selected by systematic evolution of ligands by exponential enrichment (SELEX) and applied for tumor targeted diagnosis and treatment. Some DNA nanomaterials with three-dimensional (3D) nanostructures and stable structures are investigated as drug carrier systems to delivery multiple antitumor medicine or gene therapeutic agents. While the functional DNA nanostructures have promoted the development of the DNA nanotechnology with innovative designs and preparation strategies, and also proved with great potential in the biological and medical use, there is still a long way to go for the eventual application of DNA materials in real life. Here in this review, we conducted a comprehensive survey of the structural development history of various DNA nanomaterials, introduced the principles of different DNA nanomaterials, summarized their biological applications in different fields, and discussed the current challenges and further directions that could help to achieve their applications in the future.
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Li Y, Li L, Sha X, Zhang K, Li G, Ma Y, Zhou J, Hao Y, Zhang Z, Cui X, Tang PF, Wang L, Wang H. Instant hydrogelation encapsulates drugs onto implants intraoperatively against osteoarticular tuberculosis. J Mater Chem B 2021; 9:8056-8066. [PMID: 34491255 DOI: 10.1039/d1tb00997d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Osteoarticular Tuberculosis (TB) is a challenging issue because of its chronicity and recurrence. Many drug delivery systems (DDSs) have been developed for general chemotherapy. Herein, we take advantage of instant hydrogelation to in situ encapsulate drugs onto implants intraoperatively, optimizing the drug release profile against osteoarticular TB. First-line chemodrugs, i.e. rifampicin (RFP) and isoniazid (INH) are firstly loaded on tricalcium phosphate (TCP). Then, the encapsulating hydrogel is fabricated by dipping in chitosan (CS) and β-glycerophosphate (β-GP) solution and heating at 80 °C for 40 min. The hydrogel encapsulation inhibits explosive drug release initially, but maintains long-term drug release (INH, 158 days; RFP, 53 days) in vitro. Therefore, this technique could inhibit bone destruction and inflammation from TB effectively in vivo, better than our previous ex situ prepared DDSs. The encapsulating technology, i.e. instant hydrogelation of drug-loaded implants, shows potential for regulating the type and ratio of drugs, elastic and viscous modulus of the hydrogel according to the state of illness intraoperatively for optimal drug release.
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Affiliation(s)
- Yuan Li
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), No. 11 Beiyitiao, Zhongguancun, Beijing 100190, China. .,Department of Orthopedic Medicine, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Beijing 100000, China.
| | - Litao Li
- Department of Orthopedic Medicine, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Beijing 100000, China.
| | - Xiaoling Sha
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), No. 11 Beiyitiao, Zhongguancun, Beijing 100190, China. .,Department of Orthopedic Medicine, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Beijing 100000, China.
| | - Kuo Zhang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), No. 11 Beiyitiao, Zhongguancun, Beijing 100190, China.
| | - Guang Li
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), No. 11 Beiyitiao, Zhongguancun, Beijing 100190, China. .,Department of Orthopedic Medicine, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Beijing 100000, China.
| | - Yiguang Ma
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), No. 11 Beiyitiao, Zhongguancun, Beijing 100190, China. .,Department of Orthopedic Medicine, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Beijing 100000, China.
| | - Jin Zhou
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), No. 11 Beiyitiao, Zhongguancun, Beijing 100190, P. R. China
| | - Yanfei Hao
- The 8th Medical Center of Chinese PLA General Hospital, No. 17 Heishanhu Road, Beijing 100091, China
| | - Zhong Zhang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 Beiyitiao, Zhongguancun, Beijing 100190, China
| | - Xu Cui
- Department of Orthopedic Medicine, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Beijing 100000, China.
| | - Pei-Fu Tang
- Department of Orthopedic Medicine, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Beijing 100000, China.
| | - Lei Wang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), No. 11 Beiyitiao, Zhongguancun, Beijing 100190, China.
| | - Hao Wang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), No. 11 Beiyitiao, Zhongguancun, Beijing 100190, China.
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Functional composite hydrogels entrapping polydopamine hollow nanoparticles for highly efficient resistance of skin penetration and photoprotection. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112346. [PMID: 34474896 DOI: 10.1016/j.msec.2021.112346] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 07/13/2021] [Accepted: 07/25/2021] [Indexed: 01/18/2023]
Abstract
Living organisms tend to evolve various naturally photoprotective mechanisms to avoid photodamage. Among them, polydopamine (PDA) is an effective sunscreen, a mimic of melanin, which is the main functional component of the photoprotective system of human skin. However, the concerns of its dark color, skin penetration and photoprotective efficiency remain yet to be solved. Herein, we have constructed melanin-inspired nanocomposite hydrogels (CS-PDAh-GP-HA) for photoprotection, in which PDA was prepared as hollow nanoparticles (PDAh NPs) and entrapped in a physically cross-linked hydrogel (CS-GP-HA) formed by chitosan (CS) and hyaluronic acid (HA) using β-glycerophosphate (β-GP) as a modulator. The CS-PDAh-GP-HA hydrogels exhibit a shear-thinning flow behavior with an elastic modulus of 300 Pa with the gel-sol transition temperature maintained at about 37 °C simply by adjusting the β-GP content in the hydrogels. The CS-PDAh-GP-HA hydrogels also possess excellent resistance toward skin penetration. The photoprotective performances of CS-PDAh-GP-HA hydrogels were evaluated by the determination of sun protection factor (SPF) and in vitro UVA protection efficacy (UVAPE) along with UV-Vis spectroscopy. Compared with the TiO2 nanoparticles in CS-GP-HA hydrogel, the CS-PDAh-GP-HA hydrogels show stronger shielding ability in both UVA and UVB regions. When protected by the CS-PDAh-GP-HA hydrogels, the cell viability of NIH-3T3 fibroblasts increases to 96% while it was only 14% in the case of non-protecting group. These results suggest that the CS-PDAh-GP-HA hydrogels could efficiently shield the UV irradiation and protect the skin from photodamage. This work introduces PDA-based nanocomposite hydrogels with safe, biocompatible and photoprotective properties, and provides a melanin-mimicking photoprotection system for the application in sunscreens.
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Zhao X, Li P, Zhu J, Xia Y, Ma J, Pu X, Wang Y, Leng F, Wang Y, Yang S, Ran F, Tang D, Zhang W. Polygonatum polysaccharide modified montmorillonite/chitosan/glycerophosphate composite hydrogel for bone tissue engineering. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.1960336] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Xiaoliang Zhao
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
| | - Pingping Li
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
| | - Jianning Zhu
- Gansu Drug Administration Review and Certification Center, Lanzhou 730050, Gansu, P. R. China
| | - Yunya Xia
- China National Intellectual Property Administration, Beijing 102206, P. R. China
| | - Jianzhong Ma
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
| | - Xiuying Pu
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
| | - Yonggang Wang
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
| | - Feifan Leng
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
| | - Yanling Wang
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
| | - Shuhong Yang
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
| | - Fen Ran
- School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
| | - Dan Tang
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
| | - Weijie Zhang
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
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Adel IM, ElMeligy MF, Abdelkhalek AA, Elkasabgy NA. Design and characterization of highly porous curcumin loaded freeze-dried wafers for wound healing. Eur J Pharm Sci 2021; 164:105888. [PMID: 34044118 DOI: 10.1016/j.ejps.2021.105888] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 05/11/2021] [Accepted: 05/19/2021] [Indexed: 12/12/2022]
Abstract
The goal of this research was to evaluate the beneficial effects of topical curcumin loaded freeze-dried wafers in wound healing. Curcumin wafers were fabricated by cross-linking of chitosan with beta glycerophosphate under magnetic stirring. Composite wafers were prepared by the addition of sodium hyaluronate. Wafers were fabricated by freeze-drying technique. The resulted wafers were examined by naked eye and their dimensions were measured using a caliper. % Drug content, in-vitro release and % water uptake tests were conducted to characterize the fabricated wafers. Porosity testing, compressive mechanical behavior, morphological examination using scanning electron microscopy, thermal behavior using differential scanning calorimetry and Fourier transform infrared spectroscopy were all carried out on the optimized cross-linked wafers followed by their microbiological assays and cytotoxicity studies. The results showed that the optimized wafers possessed high water uptake capabilities while entertaining very high porosity levels (86-89%). Microbiological assay revealed the superiority of the selected curcumin wafers versus free curcumin in bacterial growth inhibition against Staphylococcus epidermidis and Staphylococcus aureus (MRSA) bacteria. The anti-inflammatory effects of the selected curcumin wafers were evaluated against pro-inflammatory cytokines. The results suggested that they were significantly better than free curcumin in lowering cytokines levels. To conclude, the obtained findings revealed that curcumin wafers offered a promising solution in the field of wound healing.
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Affiliation(s)
- Islam M Adel
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, 11562, Egypt.
| | - Mohamed F ElMeligy
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, 11562, Egypt
| | - AbdelFattah A Abdelkhalek
- Department of Microbiology of Supplementary General Science, Faculty of Oral & Dental Medicine, Future University in Egypt, Cairo, Egypt
| | - Nermeen A Elkasabgy
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, 11562, Egypt
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Wu L, Wu Y, Che X, Luo D, Lu J, Zhao R, Zubair Iqbal M, Zhang Q, Wang X, Kong X. Characterization, antioxidant activity, and biocompatibility of selenium nanoparticle-loaded thermosensitive chitosan hydrogels. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 32:1370-1385. [PMID: 33861687 DOI: 10.1080/09205063.2021.1917813] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In this study, we recruited chitosan (CS) both for selenium nanoparticles (SeNPs) synthesis and for the development of a thermoresponsive nanocomposite hydrogel with the addition of glycerol phosphate (GP). Considering that SeNPs are toxic at high concentrations, five different ingredients of the nanocomposite hydrogel system with low concentrations of SeNPs (1.25-20 μg/mL) were prepared. The gelation conditions, structural characteristics, and mechanical properties of SeNPs-loaded thermosensitive CS/GP hydrogels were investigated. We also evaluated their antioxidizing activities and biocompatibility of the CS/GP/SeNPs hydrogels. Our study demonstrated that the incorporation of SeNPs in the hydrogel improved its mechanical properties, antioxidant activity, and degree of swelling. According to the properties of SeNPs and CS/GP thermosensitive hydrogels, the combination of these two technologies in an appropriate manner would be a promising antioxidant system for drug delivery and tissue engineering.
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Affiliation(s)
- Lingying Wu
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hang zhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Hangzhou, China
| | - Yuling Wu
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hang zhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Hangzhou, China
| | - Xun Che
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hang zhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Hangzhou, China
| | - Dandan Luo
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hang zhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Hangzhou, China
| | - Jiaju Lu
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hang zhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Hangzhou, China
| | - Ruibo Zhao
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hang zhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Hangzhou, China
| | - Muhammed Zubair Iqbal
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hang zhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Hangzhou, China
| | - Quan Zhang
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hang zhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Hangzhou, China
| | - Xiumei Wang
- Institute for Regenerative Medicine and Biomimetic Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Xiangdong Kong
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hang zhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Hangzhou, China
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Rahmanian-Devin P, Baradaran Rahimi V, Askari VR. Thermosensitive Chitosan- β-Glycerophosphate Hydrogels as Targeted Drug Delivery Systems: An Overview on Preparation and Their Applications. Adv Pharmacol Pharm Sci 2021; 2021:6640893. [PMID: 34036263 PMCID: PMC8116164 DOI: 10.1155/2021/6640893] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 04/09/2021] [Accepted: 04/20/2021] [Indexed: 12/14/2022] Open
Abstract
Today, with the advances in technology and science, more advanced drug delivery formulations are required. One of these new systems is an intelligent hydrogel. These systems are affected by the environment or conditions that become a gel, stay in the circumstance for a certain period, and slowly release the drug. As an advantage, only a lower dose of the drug is required, and it provides less toxicity and minor damage to other tissues. Hydrogels are of different types, including temperature-sensitive, pH-sensitive, ion change-sensitive, and magnetic field-sensitive. In this study, we investigated a kind of temperature-sensitive smart hydrogel, which has a liquid form at room temperature and becomes gel with increasing temperature. Chitosan-β-glycerophosphate hydrogels have been researched and used in many studies. This study investigates the various factors that influence the gelation mechanism, such as gel formation rates, temperature, pH, time, and gel specificity. Hydrogels are used in many drug delivery systems and diseases, including nasal drug delivery, vaginal drug delivery, wound healing, peritoneal adhesion, ophthalmic drug delivery, tissue engineering, and peptide and protein delivery. Overall, the chitosan-β-glycerophosphate hydrogel is a suitable drug carrier for a wide range of drugs. It shows little toxicity to the body, is biodegradable, and is compatible with other organs. This system can be used in different conditions and different medication ways, such as oral, nasal, and injection.
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Affiliation(s)
- Pouria Rahmanian-Devin
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vafa Baradaran Rahimi
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Reza Askari
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmaceutical Sciences in Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Zewail M, Nafee N, Boraie N. Intra-Articular Dual Drug Delivery for Synergistic Rheumatoid Arthritis Treatment. J Pharm Sci 2021; 110:2808-2822. [PMID: 33848528 DOI: 10.1016/j.xphs.2021.04.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/30/2021] [Accepted: 04/01/2021] [Indexed: 11/16/2022]
Abstract
Systemic rheumatoid arthritis (RA) regimens fail to attain effective drug level at the affected joints and are associated with serious side effects. Herein, an attempt made to improve therapeutic outcomes of both leflunomide (LEF) which is a disease modifying antirheumatic and dexamethasone (Dex) through local delivery of combination therapy by intra-articular route. LEF and Dex were encapsulated in nanostructured lipid carriers (NLCs) and PLGA nanoparticles (NPs), respectively. Both nanocarriers were loaded into chitosan/β glycerophosphate (CS/βGP) thermo-sensitive hydrogels and injected intra-articularly in adjuvant induced RA rat model. Particle size of LEF NLCs and selected Dex NPs formulations were 200 and 119 nm, respectively. Dex NPs and LEF NLCs showed a sustained release profile for up to 58 and 17 days, respectively. After 14 days of treatment remarkable joint healing was observed for groups treated with Dex NPs in combination with either free LEF or LEF NLCs in CS/βGP hydrogel. Joint diameter measurements, TNF α levels and histopathological examination of dissected joints showed comparable values to the negative control group. This might be attributed to the synergistic effect of drug combination besides the ability of nanocarriers loaded hydrogel to prolong joint residence time and enhance joint healing potential.
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Affiliation(s)
- Mariam Zewail
- Department of Pharmaceutics, Faculty of Pharmacy, Damanhour University, El Gomhoria Street, Damanhour, Egypt.
| | - Noha Nafee
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt; Department of Pharmaceutics, Faculty of Pharmacy, Kuwait University, Kuwait
| | - Nabila Boraie
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
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Yang J, Shen M, Luo Y, Wu T, Chen X, Wang Y, Xie J. Advanced applications of chitosan-based hydrogels: From biosensors to intelligent food packaging system. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.02.032] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Ye J, Yang G, Zhang J, Xiao Z, He L, Zhang H, Liu Q. Preparation and characterization of gelatin-polysaccharide composite hydrogels for tissue engineering. PeerJ 2021; 9:e11022. [PMID: 33777525 PMCID: PMC7971083 DOI: 10.7717/peerj.11022] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 02/07/2021] [Indexed: 02/05/2023] Open
Abstract
Background Tissue engineering, which involves the selection of scaffold materials, presents a new therapeutic strategy for damaged tissues or organs. Scaffold design based on blends of proteins and polysaccharides, as mimicry of the native extracellular matrix, has recently become a valuable strategy for tissue engineering. Objective This study aimed to construct composite hydrogels based on natural polymers for tissue engineering. Methods Composite hydrogels based on blends of gelatin with a polysaccharide component (chitosan or alginate) were produced and subsequently enzyme crosslinked. The other three hydrogels, chitosan hydrogel, sodium alginate hydrogel, and microbial transglutaminase-crosslinked gelatin (mTG/GA) hydrogel were also prepared. All hydrogels were evaluated for in vitro degradation property, swelling capacity, and mechanical property. Rat adipose-derived stromal stem cells (ADSCs) were isolated and seeded on (or embedded into) the above-mentioned hydrogels. The morphological features of ADSCs were observed and recorded. The effects of the hydrogels on ADSC survival and adhesion were investigated by immunofluorescence staining. Cell proliferation was tested by thiazolyl blue tetrazolium bromide (MTT) assay. Results Cell viability assay results showed that the five hydrogels are not cytotoxic. The mTG/GA and its composite hydrogels showed higher compressive moduli than the single-component chitosan and alginate hydrogels. MTT assay results showed that ADSCs proliferated better on the composite hydrogels than on the chitosan and alginate hydrogels. Light microscope observation and cell cytoskeleton staining showed that hydrogel strength had obvious effects on cell growth and adhesion. The ADSCs seeded on chitosan and alginate hydrogels plunged into the hydrogels and could not stretch out due to the low strength of the hydrogel, whereas cells seeded on composite hydrogels with higher elastic modulus, could spread out, and grew in size. Conclusion The gelatin-polysaccharide composite hydrogels could serve as attractive biomaterials for tissue engineering due to their easy preparation and favorable biophysical properties.
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Affiliation(s)
- Jing Ye
- College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Gang Yang
- College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Jing Zhang
- College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Zhenghua Xiao
- Department of Cardiovascular Surgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Ling He
- College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Han Zhang
- College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Qi Liu
- College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan, China
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Pita-López ML, Fletes-Vargas G, Espinosa-Andrews H, Rodríguez-Rodríguez R. Physically cross-linked chitosan-based hydrogels for tissue engineering applications: A state-of-the-art review. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2020.110176] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Vasilyev AV, Kuznetsova VS, Bukharova TB, Grigoriev TE, Zagoskin YD, Nedorubova IA, Babichenko II, Chvalun SN, Goldstein DV, Kulakov AA. Influence of the Degree of Deacetylation of Chitosan and BMP-2 Concentration on Biocompatibility and Osteogenic Properties of BMP-2/PLA Granule-Loaded Chitosan/β-Glycerophosphate Hydrogels. Molecules 2021; 26:E261. [PMID: 33430198 PMCID: PMC7825646 DOI: 10.3390/molecules26020261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/30/2020] [Accepted: 01/01/2021] [Indexed: 12/04/2022] Open
Abstract
Compositions based on chitosan/β-glycerophosphate hydrogels with highly porous polylactide granules can be used to obtain moldable bone graft materials that have osteoinductive and osteoconductive properties. To eliminate the influence of such characteristics as chain length, degree of purification, and molecular weight on a designed material, the one-stock chitosan sample was reacetylated to degrees of deacetylation (DD%) of 19.5, 39, 49, 55, and 56. A study of the chitosan/β-glycerophosphate hydrogel with chitosan of a reduced DD% showed that a low degree of deacetylation increased the MSCs (multipotent stromal cells) viability rate in vitro and reduced the leukocyte infiltration in subcutaneous implantation to Wistar rats in vivo. The addition of 12 wt% polylactide granules resulted in optimal composite mechanical and moldable properties, and increased the modulus of elasticity of the hydrogel-based material by approximately 100 times. Excessive filling of the material with PLA (polylactide) granules (more than 20%) led to material destruction at a ~10% strain. Osteoinductive and osteoconductive properties of the chitosan hydrogel-based material with reacetylated chitosan (39 DD%) and highly porous polylactide granules impregnated with BMP-2 (bone morphogenetic protein-2) have been demonstrated in models of orthotopic and ectopic bone formation. When implanted into a critical-size calvarial defect in rats, the optimal concentration of BMP-2 was 10 μg/mL: bone tissue areas filled the entire material's thickness. Implantation of the material with 50 μg/mL BMP-2 was accompanied with excessive growth of bone tissue and material displacement beyond the defect. Significant osteoinductive and osteoconductive properties of the material with 10 μg/mL of BMP-2 were also shown in subcutaneous implantation.
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Affiliation(s)
- Andrey Vyacheslavovich Vasilyev
- Research Centre for Medical Genetics, Moskvorechye st., 1, 115478 Moscow, Russia; (V.S.K.); (T.B.B.); (I.A.N.); (D.V.G.); (A.A.K.)
- Central Research Institute of Dental and Maxillofacial Surgery, Timur Frunze st., 16, 119021 Moscow, Russia;
- Institute of Medicine, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya st., 117198 Moscow, Russia
| | - Valeriya Sergeevna Kuznetsova
- Research Centre for Medical Genetics, Moskvorechye st., 1, 115478 Moscow, Russia; (V.S.K.); (T.B.B.); (I.A.N.); (D.V.G.); (A.A.K.)
- Central Research Institute of Dental and Maxillofacial Surgery, Timur Frunze st., 16, 119021 Moscow, Russia;
| | - Tatyana Borisovna Bukharova
- Research Centre for Medical Genetics, Moskvorechye st., 1, 115478 Moscow, Russia; (V.S.K.); (T.B.B.); (I.A.N.); (D.V.G.); (A.A.K.)
- Central Research Institute of Dental and Maxillofacial Surgery, Timur Frunze st., 16, 119021 Moscow, Russia;
| | - Timofei Evgenevich Grigoriev
- NRC “Kurchatov Institute”, 1, Akademika Kurchatova pl., 123182 Moscow, Russia; (T.E.G.); (Y.D.Z.); (S.N.C.)
- Moscow Institute of Physics and Technology (National Research University), 9 Institutskiy per., Dolgoprudny, 141701 Moscow, Russia
| | - Yuriy Dmitrievich Zagoskin
- NRC “Kurchatov Institute”, 1, Akademika Kurchatova pl., 123182 Moscow, Russia; (T.E.G.); (Y.D.Z.); (S.N.C.)
| | - Irina Alekseevna Nedorubova
- Research Centre for Medical Genetics, Moskvorechye st., 1, 115478 Moscow, Russia; (V.S.K.); (T.B.B.); (I.A.N.); (D.V.G.); (A.A.K.)
- Central Research Institute of Dental and Maxillofacial Surgery, Timur Frunze st., 16, 119021 Moscow, Russia;
| | - Igor Ivanovich Babichenko
- Central Research Institute of Dental and Maxillofacial Surgery, Timur Frunze st., 16, 119021 Moscow, Russia;
- Institute of Medicine, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya st., 117198 Moscow, Russia
| | - Sergey Nicolaevich Chvalun
- NRC “Kurchatov Institute”, 1, Akademika Kurchatova pl., 123182 Moscow, Russia; (T.E.G.); (Y.D.Z.); (S.N.C.)
| | - Dmitry Vadimovich Goldstein
- Research Centre for Medical Genetics, Moskvorechye st., 1, 115478 Moscow, Russia; (V.S.K.); (T.B.B.); (I.A.N.); (D.V.G.); (A.A.K.)
- Central Research Institute of Dental and Maxillofacial Surgery, Timur Frunze st., 16, 119021 Moscow, Russia;
- Institute of Medicine, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya st., 117198 Moscow, Russia
| | - Anatoliy Alekseevich Kulakov
- Research Centre for Medical Genetics, Moskvorechye st., 1, 115478 Moscow, Russia; (V.S.K.); (T.B.B.); (I.A.N.); (D.V.G.); (A.A.K.)
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Rezaei N, Hamidabadi HG, Khosravimelal S, Zahiri M, Ahovan ZA, Bojnordi MN, Eftekhari BS, Hashemi A, Ganji F, Darabi S, Gholipourmalekabadi M. Antimicrobial peptides-loaded smart chitosan hydrogel: Release behavior and antibacterial potential against antibiotic resistant clinical isolates. Int J Biol Macromol 2020; 164:855-862. [DOI: 10.1016/j.ijbiomac.2020.07.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 06/30/2020] [Accepted: 07/02/2020] [Indexed: 12/19/2022]
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40
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Fadera S, Cheng NC, Young TH, Lee IC. In vitro study of SDF-1α-loaded injectable and thermally responsive hydrogels for adipose stem cell therapy by SDF-1/CXCR4 axis. J Mater Chem B 2020; 8:10360-10372. [PMID: 33108417 DOI: 10.1039/d0tb01961e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Stem cell-based approaches have become a promising therapeutic strategy for treating ischemic diseases. The aim of this study was to develop injectable hydrogel systems for the local release of stromal cell-derived factor-1α (SDF-1α) to recruit adipose stem cells (ASCs) that express CXCR4 to achieve stem cell therapy and therapeutic angiogenesis. Thermoresponsive and injectable chitosan (CS)/β-glycerophosphate disodium salt pentahydrate (βGP) hydrogels with different concentrations of hyaluronic acid (HA) were designed and fabricated to achieve local and sustained release of SDF-1α for ASC recruitment. Herein, the material structures, physical properties, gelation temperature, and gelation time of hydrogels with different compositions were determined. The incorporation of 0.9% HA in CS-based hydrogels not only enhanced the gelation time but also increased the strength of the hydrogels. In addition, the results revealed that the thermoresponsive and injectable CS/βGP/HA hydrogels showed good biocompatibility. In addition, the in vitro release profiles showed that the hydrogels achieved sustained release of SDF-1α over 7 days and enhanced ASC migration. The results revealed that the hydrogels with HA enhanced the sustained release effect compared with the hydrogel without HA, indicating that the HA content regulated the physical and release properties of the injectable hydrogels. Therefore, thermoresponsive and injectable CS/βGP/HA hydrogels may provide an alternative for treating ischemic diseases via SDF-1/CXCR4 axis for ASC recruitment and retention.
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Affiliation(s)
- Siaka Fadera
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan.
| | - Nai-Chen Cheng
- Department of Surgery, National Taiwan University Hospital and College of Medicine, 7 Chung-Shan S Rd, Taipei 100, Taiwan
| | - Tai-Horng Young
- Department of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, 1 Jen-Ai Rd, Taipei 100, Taiwan.
| | - I-Chi Lee
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan.
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Aliakbar Ahovan Z, Khosravimelal S, Eftekhari BS, Mehrabi S, Hashemi A, Eftekhari S, Brouki Milan P, Mobaraki M, Seifalian AM, Gholipourmalekabadi M. Thermo-responsive chitosan hydrogel for healing of full-thickness wounds infected with XDR bacteria isolated from burn patients: In vitro and in vivo animal model. Int J Biol Macromol 2020; 164:4475-4486. [PMID: 32888993 DOI: 10.1016/j.ijbiomac.2020.08.239] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 08/24/2020] [Accepted: 08/30/2020] [Indexed: 12/14/2022]
Abstract
Treatment of non-healing skin wounds infected with extensively drug-resistant (XDR) bacteria remains as a big challenge. To date, different biomaterials have been applied for treatment of post-wound infections, nevertheless their efficacy for treatment of the wounds infected with XDR isolates has not been determined yet. In this study, the potential of the thermo-responsive chitosan (TCTS) hydrogel for protection of full-thickness wounds XDR bacteria isolated from burn patients was evaluated both in vitro and in vivo in a rat model. Antibacterial activity of the TCTS hydrogel against standard strain and clinical isolates of Acinetobacter baumannii, cytobiocompatibility for Hu02 fibroblast cells, degradation rate and swelling ratio were determined in vitro. MTT assay and disk diffusion test indicated no detectable cytotoxicity and antibacterial activity in vitro, respectively. In vivo study showed significant acceleration of wound healing, re-epithelialization, wound closure, and decreased colony count in the TCTS hydrogel group compared with control. This study suggests TCTS hydrogel as an excellent wound dressing for management of the wounds infected with XDR bacteria, and now promises to proceed with clinical investigations.
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Affiliation(s)
- Zahra Aliakbar Ahovan
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sadjad Khosravimelal
- Cellular and Molecular Research Centre, Iran University of Medical Sciences, Tehran, Iran; Department of Medical Biotechnology, Faculty of Allied Medicine, Tehran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Behnaz Sadat Eftekhari
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran; Department of Physiology and Institute for Medicine and Engineering, University of Pennsylvania, USA
| | - Soraya Mehrabi
- Cellular and Molecular Research Centre, Iran University of Medical Sciences, Tehran, Iran; Department of Physiology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Hashemi
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Samane Eftekhari
- Department of Medical Biotechnology, Faculty of Allied Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Peiman Brouki Milan
- Cellular and Molecular Research Centre, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Alexander M Seifalian
- Nanotechnology & Regenerative Medicine Commercialization Centre (Ltd), The London BioScience Innovation Centre, London, United Kingdom.
| | - Mazaher Gholipourmalekabadi
- Cellular and Molecular Research Centre, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
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In situ monitoring of the formation of lipidic non-lamellar liquid crystalline depot formulations in synovial fluid. J Colloid Interface Sci 2020; 582:773-781. [PMID: 32916575 DOI: 10.1016/j.jcis.2020.08.084] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/18/2020] [Accepted: 08/24/2020] [Indexed: 12/16/2022]
Abstract
Administration of parenteral liquid crystalline phases, forming in-vivo with tunable nanostructural features and sustained release properties, offers an attractive approach for treatment of infections and local drug delivery. It has also a potential use for postoperative pain management after arthroscopic knee surgery. However, the optimal use of this drug delivery principle requires an improved understanding of the involved dynamic structural transitions after administration of low-viscous stimulus-responsive lipid precursors and their fate after direct contact with the biological environment. These precursors (preformulations) are typically based on a single biologically relevant lipid (or a lipid combination) with non-lamellar liquid crystalline phase forming propensity. In relation to liquid crystalline depot design for intra-articular drug delivery, it was our interest in the present study to shed light on such dynamic structural transitions by combining synchrotron SAXS with a remote controlled addition of synovial fluid (or buffer containing 2% (w/v) albumin). This combination allowed for monitoring in real-time the hydration-triggered dynamic structural events on exposure of the lipid precursor (organic stock solution consisting of the binary lipid mixture of monoolein and castor oil) to excess synovial fluid (or excess buffer). The synchrotron SAXS findings indicate a fast generation of inverse bicontinuous cubic phases within few seconds. The effects of (i) the organic solvent N-methyl-2-pyrolidone (NMP), (ii) the lipid composition, and (iii) the albumin content on modulating the structures of the self-assembled lipid aggregates and the implications of the experimental findings in the design of liquid crystalline depots for intra-articular drug delivery are discussed.
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Wang CY, Hsiao CY, Tsai KL, Cheng YH. Injectable thermosensitive chitosan-based hydrogel containing ferulic acid for treating peripheral arterial disease. J Tissue Eng Regen Med 2020; 14:1438-1448. [PMID: 32767844 DOI: 10.1002/term.3109] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/16/2020] [Accepted: 07/25/2020] [Indexed: 12/20/2022]
Abstract
Peripheral arterial disease (PAD) affects more than 200 million people worldwide. Recent studies suggest that oxidative stress-related inflammation can lead to the initiation and progression of PAD. Ferulic acid (FA) is a natural phenolic compound and has been proven to have antioxidant and angiogenesis effects. In this study, thermosensitive chitosan-gelatin-based hydrogel was used as a delivery vehicle of FA. The effects of hydrogel encapsulating FA (FA-gel) have been demonstrated in vitro and in vivo. The results revealed that the developed hydrogel with porous structure could provide a sustained release of FA. Post-treatment of FA-gel effectively decreased the oxidative stress-induced damage in human umbilical vein endothelial cells via decreasing endogenous reactive oxygen species production, inflammation-related gene expression and apoptosis level. In the mouse hindlimb ischemia model, the results revealed that FA-gel could improve blood flow, muscle regeneration and decreases inflammation in veins. These results suggested that FA-gel may have a therapeutic potential in PAD.
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Affiliation(s)
- Chien-Ying Wang
- Emergency Department, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Critical Care Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Pharmacy & Graduate Institute of Pharmaceutical Technology, Tajen University, Pingtung, Taiwan
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | | | - Kun-Ling Tsai
- Department of Physical Therapy, National Cheng Kung University, Tainan, Taiwan
| | - Yung-Hsin Cheng
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
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44
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Tonda-Turo C, Carmagnola I, Chiappone A, Feng Z, Ciardelli G, Hakkarainen M, Sangermano M. Photocurable chitosan as bioink for cellularized therapies towards personalized scaffold architecture. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.bprint.2020.e00082] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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45
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Thermodynamic insight into the thermoresponsive behavior of chitosan in aqueous solutions: A differential scanning calorimetry study. Carbohydr Polym 2020; 229:115558. [DOI: 10.1016/j.carbpol.2019.115558] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/29/2019] [Accepted: 10/29/2019] [Indexed: 11/23/2022]
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46
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Li Y, Li G, Sha X, Li L, Zhang K, Liu D, Hao Y, Cui X, Wang L, Wang H. An intelligent vancomycin release system for preventing surgical site infections of bone tissues. Biomater Sci 2020; 8:3202-3211. [PMID: 32374304 DOI: 10.1039/d0bm00255k] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
An intelligent anti-bacterial system can be constructed on implants during surgery.
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Affiliation(s)
- Yuan Li
- College of Medicine
- Southwest Jiaotong University
- Chengdu 610036
- China
- CAS Center for Excellence in Nanoscience
| | - Guang Li
- College of Medicine
- Hebei North University
- Zhangjiakou 075000
- China
| | - Xiaoling Sha
- College of Medicine
- Southwest Jiaotong University
- Chengdu 610036
- China
- CAS Center for Excellence in Nanoscience
| | - Litao Li
- Department of Orthopaedics
- The 8thMedical Center of Chinese PLA General Hospital
- Beijing 100000
- China
| | - Kuo Zhang
- CAS Center for Excellence in Nanoscience
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety
- National Center for Nanoscience and Technology (NCNST)
- Beijing 100000
- China
| | - Daohong Liu
- Department of Orthopaedics
- The 8thMedical Center of Chinese PLA General Hospital
- Beijing 100000
- China
| | - Yanfei Hao
- Department of Orthopaedics
- The 8thMedical Center of Chinese PLA General Hospital
- Beijing 100000
- China
| | - Xu Cui
- Department of Orthopaedics
- The 8thMedical Center of Chinese PLA General Hospital
- Beijing 100000
- China
| | - Lei Wang
- CAS Center for Excellence in Nanoscience
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety
- National Center for Nanoscience and Technology (NCNST)
- Beijing 100000
- China
| | - Hao Wang
- CAS Center for Excellence in Nanoscience
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety
- National Center for Nanoscience and Technology (NCNST)
- Beijing 100000
- China
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47
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Evaluation of Chitosan Hydrogel for Sustained Delivery of VEGF for Odontogenic Differentiation of Dental Pulp Stem Cells. Stem Cells Int 2019; 2019:1515040. [PMID: 31949434 PMCID: PMC6942904 DOI: 10.1155/2019/1515040] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 11/14/2019] [Accepted: 11/25/2019] [Indexed: 02/05/2023] Open
Abstract
The pulpotomy with pulp capping is aimed at retaining vital pulp with reparative dentin formation. Vascular endothelial growth factor (VEGF) plays a crucial role in dentin regeneration; however, its constant administrations in the human body is still problematic. Chitosan was widely studied as an effective carrier to deliver bioactive molecules in regenerative medicine. In this study, we conducted a chitosan/β-glycerophosphate (CS/β-GP) hydrogel as a VEGF-sustained release system and explored its effects on dental pulp stem cells (DPSCs). CS/β-GP hydrogel was manufactured using a sol-gel method. SEM assay showed the spongy and porous microstructure of the lyophilized hydrogels. DPSCs cultured in the CS/β-GP hydrogel kept adhesion and vitality. CCK-8 assay tested the promoted proliferation activity of DPSCs on the hydrogel. Besides, the added VEGF protein could continually release from VEGF/CS/β-GP hydrogel. The VEGF/CS/β-GP hydrogel could promote the odontogenic differentiation of DPSCs better than VEGF treatment without hydrogel. Our results suggested that CS/β-GP hydrogel could continually release VEGF and contribute to odontogenic differentiation of DPSCs, thus may become a potential carrier of bioactive molecules in pulp capping therapy.
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48
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Scalzone A, Ferreira AM, Tonda-Turo C, Ciardelli G, Dalgarno K, Gentile P. The interplay between chondrocyte spheroids and mesenchymal stem cells boosts cartilage regeneration within a 3D natural-based hydrogel. Sci Rep 2019; 9:14630. [PMID: 31601910 PMCID: PMC6787336 DOI: 10.1038/s41598-019-51070-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 09/25/2019] [Indexed: 12/30/2022] Open
Abstract
Articular cartilage (AC) lacks the ability to self-repair and cell-based approaches, primarily based on using chondrocytes and mesenchymal stem cells (MSCs), are emerging as effective technology to restore cartilage functionality, because cells synergic functionality may support the maintenance of chondrogenic phenotype and promote extracellular matrix regeneration. This work aims to develop a more physiologically representative co-culture system to investigate the influence of MSCs on the activity of chondrocytes. A thermo-sensitive chitosan-based hydrogel, ionically crosslinked with β-glycerophosphate, is optimised to obtain sol/gel transition at physiological conditions within 5 minutes, high porosity with pores diameter <30 µm, and in vitro mechanical integrity with compressive and equilibrium Young's moduli of 37 kPa and 17 kPa, respectively. Live/dead staining showed that after 1 and 3 days in culture, the encapsulated MSCs into the hydrogels are viable and characterised by round-like morphology. Furthermore chondrocyte spheroids, seeded on top of gels that contained either MSCs or no cells, show that the encapsulated MSCs stimulate chondrocyte activity within a gel co-culture, both in terms of maintaining the coherence of chondrocyte spheroids, leading to a larger quantity of CD44 (by immunofluorescence) and a higher production of collagen and glycosaminoglycans (by histology) compared with the mono-culture.
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Affiliation(s)
- Annachiara Scalzone
- School of Engineering, Newcastle University, Claremont Road, Newcastle upon Tyne, NE1 7RU, United Kingdom
| | - Ana M Ferreira
- School of Engineering, Newcastle University, Claremont Road, Newcastle upon Tyne, NE1 7RU, United Kingdom
| | - Chiara Tonda-Turo
- Department of Mechanical and Aerospace Engineering (DIMEAS), Politecnico di Torino Corso Duca degli Abruzzi 29, Turin, 10129, Italy
| | - Gianluca Ciardelli
- Department of Mechanical and Aerospace Engineering (DIMEAS), Politecnico di Torino Corso Duca degli Abruzzi 29, Turin, 10129, Italy
| | - Kenny Dalgarno
- School of Engineering, Newcastle University, Claremont Road, Newcastle upon Tyne, NE1 7RU, United Kingdom
| | - Piergiorgio Gentile
- School of Engineering, Newcastle University, Claremont Road, Newcastle upon Tyne, NE1 7RU, United Kingdom.
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Zheng W, Wang J, Xie L, Xie H, Chen C, Zhang C, Lin D, Cai L. An injectable thermosensitive hydrogel for sustained release of apelin-13 to enhance flap survival in rat random skin flap. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 30:106. [PMID: 31502009 DOI: 10.1007/s10856-019-6306-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 08/29/2019] [Indexed: 06/10/2023]
Abstract
With the advantage of handy process, random pattern skin flaps are generally applied in limb reconstruction and wound repair. Apelin-13 is a discovered endogenous peptide, that has been shown to have potent multiple biological functions. Recently, thermosensitive gel-forming systems have gained increasing attention as wound dressings due to their advantages. In the present study, an apelin-13-loaded chitosan (CH)/β-sodium glycerophosphate (β-GP) hydrogel was developed for promoting random skin flap survival. Random skin flaps were created in 60 rats after which the animals were categorized to a control hydrogel group and an apelin-13 hydrogel group. The water content of the flap as well as the survival area were then measured 7 days post-surgery. Hematoxylin and eosin staining was used to evaluate the flap angiogenesis. Cell differentiation 34 (CD34) and vascular endothelial growth factor (VEGF) levels were detected by immunohistochemistry and Western blotting. Tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) were assessed by enzyme linked immunosorbent assays (ELISAs). Oxidative stress was estimated via the activity of tissue malondialdehyde (MDA) and superoxide dismutase (SOD). Our results showed that CH/β-GP/apelin-13 hydrogel could not only reduce the tissue edema, but also improve the survival area of flap. CH/β-GP/apelin-13 hydrogel also upregulated levels of VEGF protein and increased mean vessel densities. Furthermore, CH/β-GP/apelin-13 hydrogel was shown to significantly inhibit the expression of TNF-α and IL-6, along with increasing the activity of SOD and suppressing the MDA content. Taken together, these results indicate that this CH/β-GP/apelin-13 hydrogel may be a potential therapeutic way for random pattern skin flap.
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Affiliation(s)
- Wenhao Zheng
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325000, Wenzhou, China
| | - Jinwu Wang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325000, Wenzhou, China
| | - Linzhen Xie
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325000, Wenzhou, China
| | - Huanguang Xie
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325000, Wenzhou, China
| | - Chunhui Chen
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325000, Wenzhou, China
| | - Chuanxu Zhang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325000, Wenzhou, China
| | - Dingsheng Lin
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325000, Wenzhou, China
| | - Leyi Cai
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325000, Wenzhou, China.
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50
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Zhu N, Chatzistavrou X, Papagerakis P, Ge L, Qin M, Wang Y. Silver-Doped Bioactive Glass/Chitosan Hydrogel with Potential Application in Dental Pulp Repair. ACS Biomater Sci Eng 2019; 5:4624-4633. [DOI: 10.1021/acsbiomaterials.9b00811] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ningxin Zhu
- Department of Pediatric Dentistry, School and Hospital of Stomatology, Peking University, #22 Zhongguancun Nandajie, Haidian District, Beijing 100081, China
| | - Xanthippi Chatzistavrou
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan 48824, United States
| | - Petros Papagerakis
- College of Dentistry and Biomedical Engineering, Toxicology, Pharmacy/Nutrition, Anatomy and Cell Biology Colleges Graduate Programs, University of Saskatchewan, Saskatoon, Canada
| | - Lihong Ge
- Department of Pediatric Dentistry, School and Hospital of Stomatology, Peking University, #22 Zhongguancun Nandajie, Haidian District, Beijing 100081, China
| | - Man Qin
- Department of Pediatric Dentistry, School and Hospital of Stomatology, Peking University, #22 Zhongguancun Nandajie, Haidian District, Beijing 100081, China
| | - Yuanyuan Wang
- Department of Pediatric Dentistry, School and Hospital of Stomatology, Peking University, #22 Zhongguancun Nandajie, Haidian District, Beijing 100081, China
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