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Abbasi M, Heath B, McGinness L. Advances in metformin-delivery systems for diabetes and obesity management. Diabetes Obes Metab 2024; 26:3513-3529. [PMID: 38984380 DOI: 10.1111/dom.15759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 06/12/2024] [Accepted: 06/17/2024] [Indexed: 07/11/2024]
Abstract
Metformin is a medication that is commonly prescribed to manage type 2 diabetes. It has been used for more than 60 years and is highly effective in lowering blood glucose levels. Recent studies indicate that metformin may have additional medical benefits beyond treating diabetes, revealing its potential therapeutic uses. Oral medication is commonly used to administer metformin because of its convenience and cost-effectiveness. However, there are challenges in optimizing its effectiveness. Gastrointestinal side effects and limitations in bioavailability have led to the underutilization of metformin. Innovative drug-delivery systems such as fast-dissolving tablets, micro/nanoparticle formulations, hydrogel and microneedles have been explored to optimize metformin therapy. These strategies enhance metformin dosage, targeting, bioavailability and stability, and provide personalized treatment options for improved glucose homeostasis, antiobesity and metabolic health benefits. Developing new delivery systems for metformin shows potential for improving therapeutic outcomes, broadening its applications beyond diabetes management and addressing unmet medical needs in various clinical settings. However, it is important to improve drug-delivery systems, addressing issues such as complexity, cost, biocompatibility, stability during storage and transportation, loading capacity, required technologies and biomaterials, targeting precision and regulatory approval. Addressing these limitations is crucial for effective, safe and accessible drug delivery in clinical practice. In this review, recent advances in the development and application of metformin-delivery systems for diabetes and obesity are discussed.
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Affiliation(s)
- Mehrnaz Abbasi
- Department of Nutritional Sciences, College of Human Sciences, Auburn University, Auburn, Alabama, USA
| | - Braeden Heath
- Department of Biomedical Sciences, College of Sciences and Mathematics, Auburn University, Auburn, Alabama, USA
| | - Lauren McGinness
- Department of Nutritional Sciences, College of Human Sciences, Auburn University, Auburn, Alabama, USA
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Lima de Sousa T, Dourado D, Rodrigues JS, de Souza Rebouças J, Montes MAJR, Formiga FR. Treatment of periodontal disease: does drug delivery matter? Front Bioeng Biotechnol 2024; 12:1427758. [PMID: 39081330 PMCID: PMC11286396 DOI: 10.3389/fbioe.2024.1427758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Accepted: 06/24/2024] [Indexed: 08/02/2024] Open
Abstract
Graphical Abstract
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Affiliation(s)
- Tarcílio Lima de Sousa
- Postgraduate Program in Dentistry, School of Dentistry of Pernambuco, University of Pernambuco (UPE), Recife, Brazil
- Aggeu Magalhães Institute, Oswaldo Cruz Foundation (FIOCRUZ), Recife, Brazil
| | - Douglas Dourado
- Aggeu Magalhães Institute, Oswaldo Cruz Foundation (FIOCRUZ), Recife, Brazil
| | - Júlia Soares Rodrigues
- Aggeu Magalhães Institute, Oswaldo Cruz Foundation (FIOCRUZ), Recife, Brazil
- Postgraduate Program in Applied Cellular and Molecular Biology, Institute of Biological Sciences, University of Pernambuco (UPE), Recife, Brazil
| | - Juliana de Souza Rebouças
- Postgraduate Program in Applied Cellular and Molecular Biology, Institute of Biological Sciences, University of Pernambuco (UPE), Recife, Brazil
| | | | - Fabio Rocha Formiga
- Aggeu Magalhães Institute, Oswaldo Cruz Foundation (FIOCRUZ), Recife, Brazil
- Postgraduate Program in Applied Cellular and Molecular Biology, Institute of Biological Sciences, University of Pernambuco (UPE), Recife, Brazil
- Faculty of Medical Sciences (FCM), University of Pernambuco (UPE), Recife, Brazil
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Wang D, Li Q, Xiao C, Wang H, Dong S. Nanoparticles in Periodontitis Therapy: A Review of the Current Situation. Int J Nanomedicine 2024; 19:6857-6893. [PMID: 39005956 PMCID: PMC11246087 DOI: 10.2147/ijn.s465089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 06/10/2024] [Indexed: 07/16/2024] Open
Abstract
Periodontitis is a disease of inflammation that affects the tissues supporting the periodontium. It is triggered by an immunological reaction of the gums to plaque, which leads to the destruction of periodontal attachment structures. Periodontitis is one of the most commonly recognized dental disorders in the world and a major factor in the loss of adult teeth. Scaling and root planing remain crucial for managing patients with persistent periodontitis. Nevertheless, exclusive reliance on mechanical interventions like periodontal surgery, extractions, and root planning is insufficient to halt the progression of periodontitis. In response to the problem of bacterial resistance, some researchers are committed to finding alternative therapies to antibiotics. In addition, some scholars focus on finding new materials to provide a powerful microenvironment for periodontal tissue regeneration and promote osteogenic repair. Nanoparticles possess distinct therapeutic qualities, including exceptional antibacterial, anti-inflammatory, and antioxidant properties, immunomodulatory capacities, and the promotion of bone regeneration ability, which made them can be used for the treatment of periodontitis. However, there are many problems that limit the clinical translation of nanoparticles, such as toxic accumulation in cells, poor correlation between in vitro and in vivo, and poor animal-to-human transmissibility. In this paper, we review the present researches on nanoparticles in periodontitis treatment from the perspective of three main categories: inorganic nanoparticles, organic nanoparticles, and nanocomposites (including nanofibers, hydrogels, and membranes). The aim of this review is to provide a comprehensive and recent update on nanoparticles-based therapies for periodontitis. The conclusion section summarizes the opportunities and challenges in the design and clinical translation of nanoparticles for the treatment of periodontitis.
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Affiliation(s)
- Di Wang
- The First Outpatient Department, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, 130021, People’s Republic of China
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China
| | - Qiqi Li
- The First Outpatient Department, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, 130021, People’s Republic of China
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China
| | - Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China
| | - Hao Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China
| | - Shujun Dong
- The First Outpatient Department, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, 130021, People’s Republic of China
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Sun Y, Yin Y, Yang S, Ai D, Qin H, Xia X, Xu X, Song J. Lipotoxicity: The missing link between diabetes and periodontitis? J Periodontal Res 2024; 59:431-445. [PMID: 38419425 DOI: 10.1111/jre.13242] [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: 05/03/2023] [Revised: 01/10/2024] [Accepted: 01/14/2024] [Indexed: 03/02/2024]
Abstract
Lipotoxicity refers to the accumulation of lipids in tissues other than adipose tissue (body fat). It is one of the major pathophysiological mechanisms responsible for the progression of diabetes complications such as non-alcoholic fatty liver disease and diabetic nephropathy. Accumulating evidence indicates that lipotoxicity also contributes significantly to the toxic effects of diabetes on periodontitis. Therefore, we reviewed the current in vivo, in vitro, and clinical evidence of the detrimental effects of lipotoxicity on periodontitis, focusing on its molecular mechanisms, especially oxidative and endoplasmic reticulum stress, inflammation, ceramides, adipokines, and programmed cell death pathways. By elucidating potential therapeutic strategies targeting lipotoxicity and describing their associated mechanisms and clinical outcomes, including metformin, statins, liraglutide, adiponectin, and omega-3 PUFA, this review seeks to provide a more comprehensive and effective treatment framework against diabetes-associated periodontitis. Furthermore, the challenges and future research directions are proposed, aiming to contribute to a more profound understanding of the impact of lipotoxicity on periodontitis.
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Affiliation(s)
- Yu Sun
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Yuanyuan Yin
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Sihan Yang
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Dongqing Ai
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Han Qin
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Xuyun Xia
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Xiaohui Xu
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Jinlin Song
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
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Chen C, Yang L, Peng Y, Zhang WJ, Yang XX, Zhou W. Autophagic blockage by metformin-loaded PLGA nanoparticles causes cell cycle arrest of HepG2 cells. Nanomedicine (Lond) 2024; 19:43-58. [PMID: 38197371 DOI: 10.2217/nnm-2023-0160] [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] [Indexed: 01/11/2024] Open
Abstract
Aim: To fabricate and characterize metformin-loaded PLGA nanoparticles and investigate their inhibitory effect on HepG2 cells. Materials & methods: The nanoparticles were prepared using a double emulsification method, then characterized and subjected to a series of in vitro assays on HepG2 cells. Results: The nanoparticles were ~277.9 nm in size, and the entrapment efficiency and drug loading of metformin were 31.3 and 14.4%, respectively. In vitro studies suggested that the nanoparticles showed a higher inhibitory effect on HepG2 cells compared with metformin alone, mainly attributed to its blockage of autophagy, and ultimately result in cell cycle inhibition. Conclusion: The metformin-loaded PLGA nanoparticles could inhibit mTOR activity, increase p53 levels and decrease HIF1A levels, which ultimately caused HepG2 cell cycle arrest.
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Affiliation(s)
- Chen Chen
- School of Food & Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, People's Republic of China
| | - Li Yang
- School of Food & Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, People's Republic of China
| | - Ying Peng
- Key Laboratory of Metabolism & Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food & Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, People's Republic of China
| | - Wen Jie Zhang
- School of Food & Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, People's Republic of China
| | - Xiao Xiao Yang
- Key Laboratory of Metabolism & Regulation for Major Diseases of Anhui Higher Education Institutes, College of Food & Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, People's Republic of China
| | - Wei Zhou
- School of Food & Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, People's Republic of China
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Barmoudeh Z, Fouani MH, Moslemi Z, Azizi M, Doustimotlagh AH, Bardania H. Melatonin and metformin co-loaded nanoliposomes efficiently attenuate liver damage induced by bile duct ligation in rats. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:395-410. [PMID: 37452836 DOI: 10.1007/s00210-023-02613-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 07/05/2023] [Indexed: 07/18/2023]
Abstract
In the current study, the therapeutic effectiveness of the metformin (Met) and melatonin (Mel) co-loaded liposomes was investigated on cholestasis induced by bile duct ligation (BDL) in male rats. Histopathological analysis, biochemical analysis, and oxidative stress markers were assayed to determine the therapeutic effect of Met and Mel co-loaded liposomes on cholestasis. Histopathological analysis revealed that the simultaneous administration of Met and Mel, whether in the free (C-Mel-Met) or liposomal (C-Lipo-Mel-Met) forms, reduced inflammation as well as proliferation of bile ducts; however, results were more prominent in the liposomal form of Mel and Met. Additionaly, serum levels of aspartate aminotransferase (AST) were significantly (p < 0.001) higher in (C-Mel-Met) treated rats compared with (BDL) rats; however, (C-Lipo-Mel-Met) treated rats exhibited significant (p < 0.05) lower AST rates in comparison to (BDL) rats. Moreover, a significant (p < 0.0001) drop in bilirubin levels was detected in (C-Lipo-Mel-Met) treated rats in comparison to (BDL) rats; it is noteworthy mentioning that bilirubin levels in (C-Lipo-Mel-Met) treated rats were insignificant in comparison to sham-control (SC) rats. Furthermore, rats concomitantly administered Met and Mel, exhibited significant downregulation in the expression levels of inflammatory cytokine genes such as TNF-α and IL-1 gene expression, where the downregulation was more prominent in the liposomal from. Our findings demonestrate that the concomitant administration of metformin and melatonin in the liposomal form had more therapeutic effect on liver injury than their free forms through improving histological changes, reducing biochemical markers and favoring oxidant- antioxidant balance.
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Affiliation(s)
- Zahra Barmoudeh
- Student Research Committee, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Mohamad Hassan Fouani
- Department of Nanobiotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Zahra Moslemi
- Student Research Committee, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Mahdokht Azizi
- Clinical Research Development Unit, Imamsajad Hospital, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Amir Hossein Doustimotlagh
- Medicinal Plants Research Center, Yasuj University of Medical Sciences, Yasuj, Iran.
- Department of Clinical Biochemistry, Faculty of Medicine, Yasuj University of Medical Sciences, Yasuj, Iran.
| | - Hassan Bardania
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran.
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Kim DK, Park JY, Kang YJ, Khang D. Drug Repositioning of Metformin Encapsulated in PLGA Combined with Photothermal Therapy Ameliorates Rheumatoid Arthritis. Int J Nanomedicine 2023; 18:7267-7285. [PMID: 38090362 PMCID: PMC10711299 DOI: 10.2147/ijn.s438388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023] Open
Abstract
Purpose Rheumatoid arthritis (RA) is a highly prevalent form of autoimmune disease that affects nearly 1% of the global population by causing severe cartilage damage and inflammation. Despite its prevalence, previous efforts to prevent the perpetuation of RA have been hampered by therapeutics' cytotoxicity and poor delivery to target cells. The present study exploited drug repositioning and nanotechnology to convert metformin, a widely used antidiabetic agent, into an anti-rheumatoid arthritis drug by designing poly(lactic-co-glycolic acid) (PLGA)-based spheres. Moreover, this study also explored the thermal responsiveness of the IL-22 receptor, a key regulator of Th-17, to incorporate photothermal therapy (PTT) into the nanodrug treatment. Materials and Methods PLGA nanoparticles were synthesized using the solvent evaporation method, and metformin and indocyanine green (ICG) were encapsulated in PLGA in a dropwise manner. The nanodrug's in vitro anti-inflammatory properties were examined in J744 and FLS via real-time PCR. PTT was induced by an 808 nm near-infrared (NIR) laser, and the anti-RA effects of the nanodrug with PTT were evaluated in DBA/1 collagen-induced arthritis (CIA) mice models. Further evaluation of anti-RA properties was carried out using flow cytometry, immunofluorescence analysis, and immunohistochemical analysis. Results The encapsulation of metformin into PLGA allowed the nanodrug to enter the target cells via macropinocytosis and clathrin-mediated endocytosis. Metformin-encapsulated PLGA (PLGA-MET) demonstrated promising anti-inflammatory effects by decreasing the expression of pro-inflammatory cytokines (IL-1β, IL-6, and TNF-α), increasing the expression of anti-inflammatory cytokines (IL-10 and IL-4), and promoting the polarization of M1 to M2 macrophages in J774 cells. The treatment of the nanodrug with PTT exhibited more potent anti-inflammatory effects than free metformin or PLGA-MET in CIA mice models. Conclusion These results demonstrated that PLGA-encapsulated metformin treatment with PTT can effectively ameliorate inflammation in a spatiotemporal manner.
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Affiliation(s)
- Dae Kyu Kim
- Deparment of Biochemistry, Bowdoin College, Brunswick, ME, 04011, USA
- Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, 21999, South Korea
| | - Jun Young Park
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, 21999, South Korea
| | - Youn Joo Kang
- Department of Rehabilitation Medicine, Nowon Eulji Medical Center, Eulji University School of Medicine, Seoul, 01830, South Korea
| | - Dongwoo Khang
- Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, 21999, South Korea
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, 21999, South Korea
- Department of Physiology, School of Medicine, Gachon University, Incheon, 21999, South Korea
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Viglianisi G, Santonocito S, Lupi SM, Amato M, Spagnuolo G, Pesce P, Isola G. Impact of local drug delivery and natural agents as new target strategies against periodontitis: new challenges for personalized therapeutic approach. Ther Adv Chronic Dis 2023; 14:20406223231191043. [PMID: 37720593 PMCID: PMC10501082 DOI: 10.1177/20406223231191043] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 07/07/2023] [Indexed: 09/19/2023] Open
Abstract
Periodontitis is a persistent inflammation of the soft tissue around the teeth that affects 60% of the population in the globe. The self-maintenance of the inflammatory process can cause periodontal damage from the alveolar bone resorption to tooth loss in order to contrast the effects of periodontitis, the main therapy used is scaling and root planing (SRP). At the same time, studying the physiopathology of periodontitis has shown the possibility of using a local drug delivery system as an adjunctive therapy. Using local drug delivery devices in conjunction with SRP therapy for periodontitis is a potential tool since it increases drug efficacy and minimizes negative effects by managing drug release. This review emphasized how the use of local drug delivery agents and natural agents could be promising adjuvants for the treatment of periodontitis patients affected or not by cardiovascular disease, diabetes, and other system problems. Moreover, the review evidences the current issues and new ideas that can inspire potential later study for both basic research and clinical practice for a tailored approach.
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Affiliation(s)
- Gaia Viglianisi
- Department of General Surgery and Surgical-Medical Specialities, School of Dentistry, University of Catania, Catania, Italy
| | - Simona Santonocito
- Department of General Surgery and Surgical-Medical Specialities, School of Dentistry, University of Catania, Catania, Italy
| | - Saturnino Marco Lupi
- Department of Clinical Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Mariacristina Amato
- Department of General Surgery and Surgical-Medical Specialities, School of Dentistry, University of Catania, Catania, Italy
| | - Gianrico Spagnuolo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, Naples, Italy
| | - Paolo Pesce
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, Genoa, Italy
| | - Gaetano Isola
- Department of General Surgery and Surgical-Medical Specialities, School of Dentistry, University of Catania, Via Santa Sofia 78, Catania 95123, Italy
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Aljofi FE, Alesawy A, Alzaben B, Alshaikh M, Alotaibi N, Aldulaijan HA, Alshehri S, Aljoghaiman E, Al-Dulaijan YA, AlSharief M. Impact of Metformin on Periodontal and Peri-Implant Soft and Hard Tissue. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1095. [PMID: 36673851 PMCID: PMC9859401 DOI: 10.3390/ijerph20021095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 01/02/2023] [Accepted: 01/05/2023] [Indexed: 06/17/2023]
Abstract
Periodontal and peri-implant soft and hard tissue in diabetic patients have always been a topic of interest for researchers and clinicians alike. Among which, a subtopic that has attracted more attention is the beneficial effect of metformin (MF) on periodontal and peri-implant soft and hard tissue. This review aimed to assess the impact of MF on the periodontal and peri-implant soft- and hard-tissue healing among diabetic patients. Research was conducted using the keywords 'metformin', 'diabetes', 'periodontitis', 'implant', and 'peri-implantitis' via the Medline (PubMed) and Google Scholar databases. Selected articles were reviewed. A total of 21 articles, discussing the impact on periodontal health (six animal studies, seven clinical studies, and three systematic reviews) and five studies on peri-implant health (four animal studies and one clinical study) were included. All have reported a positive impact of MF on decreasing the inflammatory response, oxidative stress, and ultimate bone loss. Similarly, human studies reported a positive effect of MF on clinical and radiographic parameters compared with controls. Despite systematic reviews reporting heterogeneity among the included studies, MF has shown a positive impact on periodontal health. In animal, clinical studies, and systematic reviews, MF showed a protective impact on periodontal and peri-implant health.
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Affiliation(s)
- Faisal E. Aljofi
- Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Aminah Alesawy
- Fellowship in Periodontics Program, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Bader Alzaben
- Fellowship in Periodontics Program, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Marwa Alshaikh
- Fellowship in Periodontics Program, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Norah Alotaibi
- Fellowship in Periodontics Program, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Hajer A. Aldulaijan
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh P.O. Box 60169, Saudi Arabia
| | - Sami Alshehri
- Department of Biomedical Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Eman Aljoghaiman
- Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Yousif A. Al-Dulaijan
- Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Mishali AlSharief
- Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
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Gupta R, Chen Y, Sarkar M, Xie H. Surfactant Mediated Accelerated and Discriminatory In Vitro Drug Release Method for PLGA Nanoparticles of Poorly Water-Soluble Drug. Pharmaceuticals (Basel) 2022; 15:ph15121489. [PMID: 36558940 PMCID: PMC9787738 DOI: 10.3390/ph15121489] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/20/2022] [Accepted: 11/24/2022] [Indexed: 12/05/2022] Open
Abstract
In vitro drug release testing is an important quality control tool for formulation development. However, the literature has evidence that poly-lactide-co-glycolide (PLGA)-based formulations show a slower in vitro drug release than a real in vivo drug release. Much longer in vitro drug release profiles may not be reflective of real in vivo performances and may significantly affect the timeline for a formulation development. The objective of this study was to develop a surfactant mediated accelerated in vitro drug release method for the PLGA nanoparticles (NPs) of a novel chemotherapeutic agent AC1LPSZG, a model drug with a poor solubility. The Sotax USP apparatus 4 was used to test in vitro drug release in a phosphate buffer with a pH value of 6.8. The sink conditions were improved using surfactants in the order of sodium lauryl sulfate (SLS) < Tween 80 < cetyltrimethylammonium bromide (CTAB). The dissolution efficiency (DE) and area under the dissolution curve (AUC) were increased three-fold when increasing the CTAB concentration in the phosphate buffer (pH 6.8). Similar Weibull release kinetics and good linear correlations (R2~0.99) indicated a good correlation between the real-time in vitro release profile in the phosphate buffer (pH 6.8) and accelerated release profiles in the optimized medium. This newly developed accelerated and discriminatory in vitro test can be used as a quality control tool to identify critical formulation and process parameters to ensure a batch-to-batch uniformity. It may also serve as a surrogate for bioequivalence studies if a predictive in vitro in vivo correlation (IVIVC) is obtained. The results of this study are limited to AC1LPSZG NPs, but a similar consideration can be extended to other PLGA-based NPs of drugs with similar properties and solubility profiles.
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Effects of Metformin on Bone Mineral Density and Adiposity-Associated Pathways in Animal Models with Type 2 Diabetes Mellitus: A Systematic Review. J Clin Med 2022; 11:jcm11144193. [PMID: 35887957 PMCID: PMC9323116 DOI: 10.3390/jcm11144193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 07/02/2022] [Accepted: 07/11/2022] [Indexed: 11/17/2022] Open
Abstract
Recently, there have been investigations on metformin (Met) as a potential treatment for bone diseases such as osteoporosis, as researchers have outlined that type 2 diabetes mellitus (T2DM) poses an increased risk of fractures. Hence, this systematic review was conducted according to the 2020 PRISMA guidelines to evaluate the evidence that supports the bone-protective effects of metformin on male animal models with T2DM. Five databases—Google Scholar, PubMed, Wiley Online Library, SCOPUS, and ScienceDirect—were used to search for original randomized controlled trials published in English with relevant keywords. The search identified 18 articles that matched the inclusion criteria and illustrated the effects of Met on bone. This study demonstrates that Met improved bone density and reduced the effects of T2DM on adiposity formation in the animal models. Further research is needed to pinpoint the optimal dosage of Met required to exhibit these therapeutic effects.
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Cesur S, Cam ME, Sayın FS, Su S, Harker A, Edirisinghe M, Gunduz O. Metformin-Loaded Polymer-Based Microbubbles/Nanoparticles Generated for the Treatment of Type 2 Diabetes Mellitus. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:5040-5051. [PMID: 34096296 DOI: 10.1021/acs.langmuir.1c00587] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disease that is increasingly common all over the world with a high risk of progressive hyperglycemia and high microvascular and macrovascular complications. The currently used drugs in the treatment of T2DM have insufficient glucose control and can carry detrimental side effects. Several drug delivery systems have been investigated to decrease the side effects and frequency of dosage, and also to increase the effect of oral antidiabetic drugs. In recent years, the use of microbubbles in biomedical applications has greatly increased, and research into microactive carrier bubbles continues to generate more and more clinical interest. In this study, various monodisperse polymer nanoparticles at different concentrations were produced by bursting microbubbles generated using a T-junction microfluidic device. Morphological analysis by scanning electron microscopy, molecular interactions between the components by FTIR, drug release by UV spectroscopy, and physical analysis such as surface tension and viscosity measurement were carried out for the particles generated and solutions used. The microbubbles and nanoparticles had a smooth outer surface. When the microbubbles/nanoparticles were compared, it was observed that they were optimized with 0.3 wt % poly(vinyl alcohol) (PVA) solution, 40 kPa pressure, and a 110 μL/min flow rate, thus the diameters of the bubbles and particles were 100 ± 10 μm and 70 ± 5 nm, respectively. Metformin was successfully loaded into the nanoparticles in these optimized concentrations and characteristics, and no drug crystals and clusters were seen on the surface. Metformin was released in a controlled manner at pH 1.2 for 60 min and at pH 7.4 for 240 min. The process and structures generated offer great potential for the treatment of T2DM.
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Affiliation(s)
| | - Muhammet Emin Cam
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, U.K
| | | | | | - Anthony Harker
- London Centre for Nanotechnology and Department of Physics & Astronomy, University College London, London WC1E 6BT, U.K
| | - Mohan Edirisinghe
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, U.K
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Allawadhi P, Singh V, Govindaraj K, Khurana I, Sarode LP, Navik U, Banothu AK, Weiskirchen R, Bharani KK, Khurana A. Biomedical applications of polysaccharide nanoparticles for chronic inflammatory disorders: Focus on rheumatoid arthritis, diabetes and organ fibrosis. Carbohydr Polym 2022; 281:118923. [PMID: 35074100 DOI: 10.1016/j.carbpol.2021.118923] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/19/2021] [Accepted: 11/17/2021] [Indexed: 12/16/2022]
Abstract
Polysaccharides are biopolymers distinguished by their complex secondary structures executing various roles in microorganisms, plants, and animals. They are made up of long monomers of similar type or as a combination of other monomeric chains. Polysaccharides are considered superior as compared to other polymers due to their diversity in charge and size, biodegradability, abundance, bio-compatibility, and less toxicity. These natural polymers are widely used in designing of nanoparticles (NPs) which possess wide applications in therapeutics, diagnostics, delivery and protection of bioactive compounds or drugs. The side chain reactive groups of polysaccharides are advantageous for functionalization with nanoparticle-based conjugates or therapeutic agents such as small molecules, proteins, peptides and nucleic acids. Polysaccharide NPs show excellent pharmacokinetic and drug delivery properties, facilitate improved oral absorption, control the release of drugs, increases in vivo retention capability, targeted delivery, and exert synergistic effects. This review updates the usage of polysaccharides based NPs particularly cellulose, chitosan, hyaluronic acid, alginate, dextran, starch, cyclodextrins, pullulan, and their combinations with promising applications in diabetes, organ fibrosis and arthritis.
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Affiliation(s)
- Prince Allawadhi
- Department of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Roorkee, Roorkee, Uttarakhand, 247667, India
| | - Vishakha Singh
- Department of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Roorkee, Roorkee, Uttarakhand, 247667, India
| | - Kannan Govindaraj
- Department of Developmental BioEngineering, Technical Medicine Centre, University of Twente, Enschede, the Netherlands
| | - Isha Khurana
- Department of Pharmaceutical Chemistry, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh 160014, India
| | - Lopmudra P Sarode
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440033, Maharashtra, India
| | - Umashanker Navik
- Department of Pharmacology, Central University of Punjab, Ghudda, Bathinda 151401, Punjab, India
| | - Anil Kumar Banothu
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science (CVSc), Rajendranagar, Hyderabad 500030, PVNRTVU, Telangana, India
| | - Ralf Weiskirchen
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH Aachen University Hospital, Pauwelsstr. 30, D-52074 Aachen, Germany.
| | - Kala Kumar Bharani
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science (CVSc), Warangal 506166, PVNRTVU, Telangana, India.
| | - Amit Khurana
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science (CVSc), Rajendranagar, Hyderabad 500030, PVNRTVU, Telangana, India; Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH Aachen University Hospital, Pauwelsstr. 30, D-52074 Aachen, Germany; Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science (CVSc), Warangal 506166, PVNRTVU, Telangana, India; Centre for Biomedical Engineering (CBME), Indian Institute of Technology (IIT) Delhi, Hauz Khas, New Delhi 110016, India.
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Liu J, Liu Z, Pang Y, Zhou H. The interaction between nanoparticles and immune system: application in the treatment of inflammatory diseases. J Nanobiotechnology 2022; 20:127. [PMID: 35279135 PMCID: PMC8917374 DOI: 10.1186/s12951-022-01343-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 03/02/2022] [Indexed: 12/24/2022] Open
Abstract
Nanoparticle (NP) is an emerging tool applied in the biomedical field. With combination of different materials and adjustment of their physical and chemical properties, nanoparticles can have diverse effects on the organism and may change the treating paradigm of multiple diseases in the future. More and more results show that nanoparticles can function as immunomodulators and some formulas have been approved for the treatment of inflammation-related diseases. However, our current understanding of the mechanisms that nanoparticles can influence immune responses is still limited, and systemic clinical trials are necessary for the evaluation of their security and long-term effects. This review provides an overview of the recent advances in nanoparticles that can interact with different cellular and molecular components of the immune system and their application in the management of inflammatory diseases, which are caused by abnormal immune reactions. This article focuses on the mechanisms of interaction between nanoparticles and the immune system and tries to provide a reference for the future design of nanotechnology for the treatment of inflammatory diseases.
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Welter RA, Santana HS, Carvalho BG, Melani N, Oelgemöller M, de la Torre LG, Taranto OP. Droplet microfluidics for double lipase immobilisation using TiO2 and alginate microbeads. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.03.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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16
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Zhao X, Yang Y, Yu J, Ding R, Pei D, Zhang Y, He G, Cheng Y, Li A. Injectable hydrogels with high drug loading through B–N coordination and ROS-triggered drug release for efficient treatment of chronic periodontitis in diabetic rats. Biomaterials 2022; 282:121387. [DOI: 10.1016/j.biomaterials.2022.121387] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 01/10/2022] [Accepted: 01/22/2022] [Indexed: 12/27/2022]
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Pereira ADSBF, de Souza Lima ML, da Silva-Junior AA, dos Santos Silva E, de Araújo Júnior RF, Martins AA, Alves JSF, Oliveira ADS, De Santis Ferreira L, de Araújo Costa ECT, Guerra GCB, de Medeiros CACX, Brito GAC, de Carvalho Leitao RF, de Araújo AA. In vitro-in vivo availability of metformin hydrochloride-PLGA nanoparticles in diabetic rats in a periodontal disease experimental model. PHARMACEUTICAL BIOLOGY 2021; 59:1576-1584. [PMID: 34808068 PMCID: PMC8635670 DOI: 10.1080/13880209.2021.2002369] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 10/09/2021] [Accepted: 10/29/2021] [Indexed: 05/23/2023]
Abstract
CONTEXT Metformin is an important oral anti-hyperglycemic used in diabetes. Polylactic-co-glycolic acid (PLGA) has been widely used due to its reliability in controlling the release of drugs. OBJECTIVE This study evaluates the in vitro-in vivo availability of metformin hydrochloride-loaded polylactic-co-glycolic acid. MATERIAL AND METHODS In vitro metformin release (Met-free or PLGA + Met-12.5 mg/mL per 360 min) was evaluated using static Franz vertical diffusion cells. The in vivo study was performed with two control groups (validation bioanalytical method) and two experimental groups of diabetic male Wistar rats treated with PLGA + Met 10 mg/kg or Met 100 mg/kg by oral gavage. Diabetes was induced by streptozotocin (40 mg/kg) through the penile vein. Blood samples were collected 0.5, 1, 4, 7, 10, 12, 18, 24, 36, 48 and 72 h and analysed by high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). RESULTS PLGA + Met 10 mg/kg was released in the in vitro assay suggesting a parabolic diffusion kinetic model (K -0.0619-0.5h) with a 100% release profile in 10 h by controlled diffusion. The in vivo assay showed the apparent volume of distribution Vz/F (PLGA + Met 10 mg/kg, 40971.8 mL/kg vs. Met 100 mg/kg, 2174.58 mL/kg) and mean residence time MRTinf (PLGA + Met 10 mg/kg, 37.66 h vs. Met 100 mg/kg, 3.34 h). DISCUSSION AND CONCLUSIONS The formulation modifies pharmacokinetics parameters such as apparent distribution volume and mean residence time. The PLGA + Met 10 mg/kg had a slower elimination rate compared to Met 100 mg/kg in diabetic rats in a periodontal disease experimental model.
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Affiliation(s)
| | | | | | - Emanuell dos Santos Silva
- Postgraduate Program in Pharmaceutical Science, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Raimundo Fernandes de Araújo Júnior
- Post-Graduation program in Functional and Structural Biology/Post-graduation program Health Science/Department of Morphology, UFRN, Natal, Brazil
| | | | | | | | | | | | - Gerlane Coelho Bernardo Guerra
- Post-Graduation Program in Biochemistry and Molecular Biology/Post-Graduation Program in Pharmaceutical Science, Department of Biophysics and Pharmacology, UFRN, Natal, Brazil
| | | | - Gerly A. C. Brito
- Postgraduate Program in Pharmacology, Postgraduate Program in Morphology, Department of Morphology, UFC, Fortaleza, Brazil
| | | | - Aurigena Antunes de Araújo
- Post-Graduation Program Oral Science/Post-Graduation Program in Pharmaceutical Science, Department of Biophysics and Pharmacology, UFRN, Natal, Brazil
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Huck O, Stutz C, Gegout PY, Özçelik H, Benkirane-Jessel N, Petit C, Batool F. Nanomedicine and Periodontal Regenerative Treatment. Dent Clin North Am 2021; 66:131-155. [PMID: 34794551 DOI: 10.1016/j.cden.2021.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Current periodontal treatments aim to control bacterial infection and decrease inflammation. To optimize contemporary conventional treatments that present limitations owing to an inability to reach the lesion site, new methods are based on nanomedicine. Nanomedecine allows delivery of host-modulatory drugs or antibacterial molecules at the lesion site in an optimal concentration with decreased toxicity and risk of systemic side effects. Chitosan and polylactic-co-glycolic acid-loaded nanoparticles, carbon quantum dots, and mesoporous silicates open new perspectives in periodontitis management. The potential therapeutic impact of the main nanocarriers is discussed.
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Affiliation(s)
- Olivier Huck
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France; Université de Strasbourg, Faculté de Chirurgie-dentaire, 8 rue Sainte-Elisabeth, 67000 Strasbourg, France; Pôle de médecine et chirurgie bucco-dentaire, Hôpitaux Universitaires de Strasbourg, Periodontology, 1 place de l'Hopital, 67000, Strasbourg, France.
| | - Céline Stutz
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France
| | - Pierre-Yves Gegout
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France; Université de Strasbourg, Faculté de Chirurgie-dentaire, 8 rue Sainte-Elisabeth, 67000 Strasbourg, France; Pôle de médecine et chirurgie bucco-dentaire, Hôpitaux Universitaires de Strasbourg, Periodontology, 1 place de l'Hopital, 67000, Strasbourg, France
| | - Hayriye Özçelik
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France
| | - Nadia Benkirane-Jessel
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France
| | - Catherine Petit
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France; Université de Strasbourg, Faculté de Chirurgie-dentaire, 8 rue Sainte-Elisabeth, 67000 Strasbourg, France; Pôle de médecine et chirurgie bucco-dentaire, Hôpitaux Universitaires de Strasbourg, Periodontology, 1 place de l'Hopital, 67000, Strasbourg, France
| | - Fareeha Batool
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France; Université de Strasbourg, Faculté de Chirurgie-dentaire, 8 rue Sainte-Elisabeth, 67000 Strasbourg, France
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19
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Cinan E, Cesur S, Erginer Haskoylu M, Gunduz O, Toksoy Oner E. Resveratrol-Loaded Levan Nanoparticles Produced by Electrohydrodynamic Atomization Technique. NANOMATERIALS 2021; 11:nano11102582. [PMID: 34685023 PMCID: PMC8540966 DOI: 10.3390/nano11102582] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 12/15/2022]
Abstract
Considering the significant advances in nanostructured systems in various biomedical applications and the escalating need for levan-based nanoparticles as delivery systems, this study aimed to fabricate levan nanoparticles by the electrohydrodynamic atomization (EHDA) technique. The hydrolyzed derivative of levan polysaccharide from Halomonas smyrnensis halophilic bacteria, hydrolyzed Halomonas levan (hHL), was used. Nanoparticles were obtained by optimizing the EHDA parameters and then they were characterized in terms of morphology, molecular interactions, drug release and cell culture studies. The optimized hHL and resveratrol (RS)-loaded hHL nanoparticles were monodisperse and had smooth surfaces. The particle diameter size of hHL nanoparticles was 82.06 ± 15.33 nm. Additionally, release of RS from the fabricated hHL nanoparticles at different pH conditions were found to follow the first-order release model and hHL with higher RS loading showed a more gradual release. In vitro biocompatibility assay with human dermal fibroblast cell lines was performed and cell behavior on coated surfaces was observed. Nanoparticles were found to be safe for healthy cells. Consequently, the fabricated hHL-based nanoparticle system may have potential use in drug delivery systems for wound healing and tissue engineering applications and surfaces could be coated with these electrosprayed particles to improve cellular interaction.
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Affiliation(s)
- Ezgi Cinan
- Industrial Biotechnology and System Biology (IBSB) Research Group, Department of Bioengineering, Marmara University, Istanbul 34722, Turkey; (E.C.); (M.E.H.)
| | - Sumeyye Cesur
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, Istanbul 34722, Turkey; (S.C.); (O.G.)
| | - Merve Erginer Haskoylu
- Industrial Biotechnology and System Biology (IBSB) Research Group, Department of Bioengineering, Marmara University, Istanbul 34722, Turkey; (E.C.); (M.E.H.)
| | - Oguzhan Gunduz
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, Istanbul 34722, Turkey; (S.C.); (O.G.)
- Department of Metallurgical and Materials Engineering, Faculty of Technology, Marmara University, Istanbul 34722, Turkey
| | - Ebru Toksoy Oner
- Industrial Biotechnology and System Biology (IBSB) Research Group, Department of Bioengineering, Marmara University, Istanbul 34722, Turkey; (E.C.); (M.E.H.)
- Correspondence:
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20
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Ravikiran T, Anand S, Ansari MA, Alomary MN, AlYahya S, Ramachandregowda S, Alghamdi S, Sindhghatta Kariyappa A, Dundaiah B, Madhugiri Gopinath M, Sultana S, Punekar SM, Lakshmeesha TR. Fabrication and in vitro Evaluation of 4-HIA Encapsulated PLGA Nanoparticles on PC12 Cells. Int J Nanomedicine 2021; 16:5621-5632. [PMID: 34429603 PMCID: PMC8380134 DOI: 10.2147/ijn.s317986] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/28/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose 4-Hydroxyisophthalic acid (4-HIA) is a bioactive compound present in the roots of Decalepis hamiltonii, which has attracted considerable attention in attenuating oxidative stress-related neurodegenerative diseases. However, its efficacy is limited because of its low solubility and bioavailability. Therefore, the present study aimed to encapsulate 4-HIA using biocompatible copolymer polylactide-co-glycolide (PLGA) and evaluate its antioxidant and neuroprotective potential. Methods The nanoparticles (NPs) were fabricated by solid/oil/water (s/o/w) emulsion technique and characterized using XRD, SEM, HR-TEM, and FTIR spectroscopy. Antioxidant assays such as 1,1 diphenyl-2-picrylhydrazyl (DPPH), superoxide, and hydroxyl radical scavenging ability were performed to assess the antioxidant potential of the fabricated NPs. Results The bioactive component, 4-HIA, was efficiently encapsulated by the PLGA polymer and was found to be spherical and smooth with a size <10nm. 4-HIA showed better scavenging capability in DPPH and superoxide assays as compared to 4-HIA encapsulated PLGA and butylated hydroxytoluene (BHT). In contrast, 4-HIA encapsulated PLGA NPs exhibited a significant hydroxyl radical scavenging activity than 4-HIA and BHT alone. Further, the encapsulated NPs efficiently curtailed hydrogen peroxide (H2O2)-induced cytotoxicity in PC12 cells. Conclusion Our findings indicate that 4-HIA encapsulated PLGA NPs might be a therapeutic intervention towards the effective management of oxidative stress as it has exhibited efficient neuroprotective potential against H2O2-induced oxidative stress in PC12 cells.
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Affiliation(s)
| | - Santosh Anand
- Department of Biotechnology, School of Applied Sciences, Reva University, Bengaluru, India
| | - Mohammad Azam Ansari
- Department of Epidemic Disease Research, Institutes for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia
| | - Mohammad N Alomary
- National Center for Biotechnology, Life Science and Environmental Research Institute, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | - Sami AlYahya
- National Center for Biotechnology, Life Science and Environmental Research Institute, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | | | - Saad Alghamdi
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | | | | | | | - Sumreen Sultana
- Department of Biotechnology, Bangalore University, Bangalore, India
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21
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Nanocarriers as a Tool for the Treatment of Colorectal Cancer. Pharmaceutics 2021; 13:pharmaceutics13081321. [PMID: 34452282 PMCID: PMC8399070 DOI: 10.3390/pharmaceutics13081321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/13/2021] [Accepted: 07/20/2021] [Indexed: 12/13/2022] Open
Abstract
Nanotechnology is a promising tool for the treatment of cancer. In the past decades, major steps have been made to bring nanotechnology into the clinic in the form of nanoparticle-based drug delivery systems. The great hope of drug delivery systems is to reduce the side effects of chemotherapeutics while simultaneously increasing the efficiency of the therapy. An increased treatment efficiency would greatly benefit the quality of life as well as the life expectancy of cancer patients. However, besides its many advantages, nanomedicines have to face several challenges and hurdles before they can be used for the effective treatment of tumors. Here, we give an overview of the hallmarks of cancer, especially colorectal cancer, and discuss biological barriers as well as how drug delivery systems can be utilized for the effective treatment of tumors and metastases.
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22
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Nanoparticles in Dentistry: A Comprehensive Review. Pharmaceuticals (Basel) 2021; 14:ph14080752. [PMID: 34451849 PMCID: PMC8398506 DOI: 10.3390/ph14080752] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/20/2021] [Accepted: 07/28/2021] [Indexed: 02/07/2023] Open
Abstract
In recent years, nanoparticles (NPs) have been receiving more attention in dentistry. Their advantageous physicochemical and biological properties can improve the diagnosis, prevention, and treatment of numerous oral diseases, including dental caries, periodontal diseases, pulp and periapical lesions, oral candidiasis, denture stomatitis, hyposalivation, and head, neck, and oral cancer. NPs can also enhance the mechanical and microbiological properties of dental prostheses and implants and can be used to improve drug delivery through the oral mucosa. This paper reviewed studies from 2015 to 2020 and summarized the potential applications of different types of NPs in the many fields of dentistry.
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Ren C, Hao X, Wang L, Hu Y, Meng L, Zheng S, Ren F, Bu W, Wang H, Li D, Zhang K, Sun H. Metformin Carbon Dots for Promoting Periodontal Bone Regeneration via Activation of ERK/AMPK Pathway. Adv Healthc Mater 2021; 10:e2100196. [PMID: 33987977 DOI: 10.1002/adhm.202100196] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/15/2021] [Indexed: 12/14/2022]
Abstract
The osteogenic potential of mesenchymal stem cells (MSCs) is severely impaired under persistent inflammation of periodontitis. A highly efficient way to promote or rescue osteogenic potential of MSCs under inflammation remains an unmet goal. Herein, metformin carbon dots (MCDs) with excellent biocompatibility are prepared from metformin hydrochloride and citric acid via a hydrothermal method. The MCDs can more effectively enhance the alkaline phosphatase (ALP) activity, calcium deposition nodules formation, expression of osteogenic genes and proteins in rat bone marrow mesenchymal stem cells (rBMSCs) than metformin under both inflammatory and normal conditions. Moreover, a novel pathway of extracellular signal-regulated kinases (ERK)/AMP-activated protein kinase (AMPK) signaling is involved in the MCDs-induced osteogenesis. In periodontitis rats, MCDs can effectively regenerate the lost alveolar bone, but not the metformin. Taken together, MCDs can be the promising candidate nanomaterial for periodontitis treatment. This work may provide a new pharmacological target of ERK/AMPK pathway for treating bone loss and also give additional insights into developing nanodrugs from the numerous medications.
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Affiliation(s)
- Chunxia Ren
- Hospital of Stomatology Jilin University Changchun 130021 P. R. China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling Hospital of Stomatology Jilin University Changchun 130021 P. R. China
| | - Xinqing Hao
- Hospital of Stomatology Jilin University Changchun 130021 P. R. China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling Hospital of Stomatology Jilin University Changchun 130021 P. R. China
| | - Lu Wang
- Hospital of Stomatology Jilin University Changchun 130021 P. R. China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling Hospital of Stomatology Jilin University Changchun 130021 P. R. China
| | - Yue Hu
- Hospital of Stomatology Jilin University Changchun 130021 P. R. China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling Hospital of Stomatology Jilin University Changchun 130021 P. R. China
| | - Lin Meng
- Hospital of Stomatology Jilin University Changchun 130021 P. R. China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling Hospital of Stomatology Jilin University Changchun 130021 P. R. China
| | - Shize Zheng
- Hospital of Stomatology Jilin University Changchun 130021 P. R. China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling Hospital of Stomatology Jilin University Changchun 130021 P. R. China
| | - Feilong Ren
- Hospital of Stomatology Jilin University Changchun 130021 P. R. China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling Hospital of Stomatology Jilin University Changchun 130021 P. R. China
| | - Wenhuan Bu
- School of Stomatology China Medical University Shenyang 110001 P. R. China
| | - Huan Wang
- State Key Laboratory of Rare Earth Resources Utilization Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 P. R. China
| | - Daowei Li
- Hospital of Stomatology Jilin University Changchun 130021 P. R. China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling Hospital of Stomatology Jilin University Changchun 130021 P. R. China
| | - Kai Zhang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University Changchun 130012 P. R. China
| | - Hongchen Sun
- Hospital of Stomatology Jilin University Changchun 130021 P. R. China
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Li L, Bao J, Chang Y, Wang M, Chen B, Yan F. Gut Microbiota May Mediate the Influence of Periodontitis on Prediabetes. J Dent Res 2021; 100:1387-1396. [PMID: 33899584 DOI: 10.1177/00220345211009449] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Mounting evidence has shown that periodontitis is associated with diabetes. However, a causal relationship remains to be determined. Recent studies reported that periodontitis may be associated with gut microbiota, which plays an important role in the development of diabetes. Therefore, we hypothesized that gut microbiota might mediate the link between periodontitis and diabetes. Periodontitis was induced by ligatures. Glycemic homeostasis was evaluated through fasting blood glucose (FBG), serum glycosylated hemoglobin (HbA1c), and intraperitoneal glucose tolerance test. Micro-computed tomography and hematoxylin and eosin staining were used to evaluate periodontal destruction. The gut microbiota was analyzed using 16S ribosomal RNA gene sequencing and bioinformatics. Serum endotoxin, interleukin (IL) 6, tumor necrosis factor α (TNF-α), and IL-1β were measured to evaluate the systemic inflammation burden. We found that the levels of FBG, HbA1c, and glucose intolerance were higher in the periodontitis (PD) group than in the control (Con) group (P < 0.05). When periodontitis was eliminated, the FBG significantly decreased (P < 0.05). Several butyrate-producing bacteria were decreased in the gut microbiota of the PD group, including Lachnospiraceae_NK4A136_group, Eubacterium_fissicatena_group, Eubacterium_coprostanoligenes_group, and Ruminococcaceae_UCG-014 (P < 0.05), which were negatively correlated with serum HbA1c (P < 0.05). Subsequently, the gut microbiota was depleted using antibiotics or transplanted through cohousing. Compared with the PD group, the levels of HbA1c and glucose intolerance were decreased in the gut microbiota-depleted mice with periodontitis (PD + Abx) (P < 0.05), as well as the serum levels of endotoxin and IL-6 (P < 0.05). The serum levels of IL-6, TNF-α, and IL-1β in the PD + Abx group were higher than those of the Con group (P < 0.05). Antibiotics exerted a limited impact on the periodontal microbiota. When the PD mice were cohoused with healthy ones, the elevated FBG and HbA1c significantly recovered (P < 0.05), as well as the aforementioned butyrate producers (P < 0.05). Thus, within the limitations of this study, our data indicated that the gut microbiota may mediate the influence of periodontitis on prediabetes.
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Affiliation(s)
- L Li
- Department of Periodontology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China.,Central laboratory of Stomatology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - J Bao
- Department of Periodontology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China.,Central laboratory of Stomatology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Y Chang
- Department of Periodontology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China.,The Affiliated Stomatological Hospital of Soochow University, Suzhou Stomatological Hospital, Suzhou, Jiangsu, China
| | - M Wang
- Department of Periodontology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China.,Central laboratory of Stomatology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - B Chen
- Department of Periodontology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China.,Central laboratory of Stomatology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - F Yan
- Department of Periodontology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China.,Central laboratory of Stomatology, Nangjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
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Wei Y, Deng Y, Ma S, Ran M, Jia Y, Meng J, Han F, Gou J, Yin T, He H, Wang Y, Zhang Y, Tang X. Local drug delivery systems as therapeutic strategies against periodontitis: A systematic review. J Control Release 2021; 333:269-282. [PMID: 33798664 DOI: 10.1016/j.jconrel.2021.03.041] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 03/27/2021] [Accepted: 03/27/2021] [Indexed: 12/14/2022]
Abstract
Periodontitis is a chronic inflammation of the soft tissue surrounding and supporting the teeth, which causes periodontal structural damage, alveolar bone resorption, and even tooth loss. Its prevalence is very high, with nearly 60% of the global population affected. Hence, periodontitis is an important public health concern, and the development of effective healing treatments for oral diseases is a major target of the health sciences. Currently, the application of local drug delivery systems (LDDS) as an adjunctive therapy to scaling and root planning (SRP) in periodontitis is a promising strategy, giving higher efficacy and fewer side effects by controlling drug release. The cornerstone of successful periodontitis therapy is to select an appropriate bioactive agent and route of administration. In this context, this review highlights applications of LDDS with different properties in the treatment of periodontitis with or without systemic diseases, in order to reveal existing challenges and future research directions.
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Affiliation(s)
- Ying Wei
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China
| | - Yaxin Deng
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China
| | - Shuting Ma
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China
| | - Meixin Ran
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China
| | - Yannan Jia
- Affiliated Hospital of Inner Mongolia University for the Nationalities, Tongliao 028000, Neimenggu, China
| | - Jia Meng
- Liaoning Institute of Basic Medicine, Shenyang 110016, Liaoning, China
| | - Fei Han
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China.
| | - Jingxin Gou
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China
| | - Tian Yin
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China
| | - Haibing He
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China
| | - Yanjiao Wang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China
| | - Yu Zhang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China.
| | - Xing Tang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China
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26
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Hunt NJ, Lockwood GP, Kang SWS, Westwood LJ, Limantoro C, Chrzanowski W, McCourt PAG, Kuncic Z, Le Couteur DG, Cogger VC. Quantum Dot Nanomedicine Formulations Dramatically Improve Pharmacological Properties and Alter Uptake Pathways of Metformin and Nicotinamide Mononucleotide in Aging Mice. ACS NANO 2021; 15:4710-4727. [PMID: 33626869 DOI: 10.1021/acsnano.0c09278] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Orally administered Ag2S quantum dots (QDs) rapidly cross the small intestine and are taken up by the liver. Metformin and nicotinamide mononucleotide (NMN) target metabolic and aging processes within the liver. This study examined the pharmacology and toxicology of QD-based nanomedicines as carriers of metformin and NMN in young and old mice, determining if their therapeutic potency and reduced effects associated with aging could be improved. Pharmacokinetic studies demonstrated that QD-conjugated metformin and NMN have greater bioavailability, with selective accumulation in the liver following oral administration compared to unconjugated formulations. Pharmacodynamic data showed that the QD-conjugated medicines had increased physiological, metabolic, and cellular potency compared to unconjugated formulations (25× metformin; 100× NMN) and highlighted a shift in the peak induction of, and greater metabolic response to, glucose tolerance testing. Two weeks of treatment with low-dose QD-NMN (0.8 mg/kg/day) improved glucose tolerance tests in young (3 months) mice, whereas old (18 and 24 months) mice demonstrated improved fasting and fed insulin levels and insulin resistance. High-dose unconjugated NMN (80 mg/kg/day) demonstrated improvements in young mice but not in old mice. After 100 days of QD (320 μg/kg/day) treatment, there was no evidence of cellular necrosis, fibrosis, inflammation, or accumulation. Ag2S QD nanomedicines improved the pharmacokinetic and pharmacodynamic properties of metformin and NMN by increasing their therapeutic potency, bypassing classical cellular uptake pathways, and demonstrated efficacy when drug alone was ineffective in aging mice.
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Affiliation(s)
- Nicholas J Hunt
- Ageing and Alzheimers Institute, Centre for Education & Research on Ageing, Concord Repatriation General Hospital, ANZAC Research Institute, Concord, NSW 2139, Australia
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
- Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia
- Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia
| | - Glen P Lockwood
- Ageing and Alzheimers Institute, Centre for Education & Research on Ageing, Concord Repatriation General Hospital, ANZAC Research Institute, Concord, NSW 2139, Australia
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Sun W S Kang
- Ageing and Alzheimers Institute, Centre for Education & Research on Ageing, Concord Repatriation General Hospital, ANZAC Research Institute, Concord, NSW 2139, Australia
- Cell Biology and Imaging Section, Thoracic and Gastrointestinal Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Lara J Westwood
- Faculty of Science, University of Technology Sydney, Sydney, NSW 2000, Australia
| | - Christina Limantoro
- Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia
- Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Wojciech Chrzanowski
- Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia
- Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Peter A G McCourt
- Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia
- Department of Medical Biology, University of Tromsø - The Arctic University of Norway, Tromsø 9037, Norway
| | - Zdenka Kuncic
- Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia
- Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia
- School of Physics, The University of Sydney, Sydney, NSW 2006, Australia
| | - David G Le Couteur
- Ageing and Alzheimers Institute, Centre for Education & Research on Ageing, Concord Repatriation General Hospital, ANZAC Research Institute, Concord, NSW 2139, Australia
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
- Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia
| | - Victoria C Cogger
- Ageing and Alzheimers Institute, Centre for Education & Research on Ageing, Concord Repatriation General Hospital, ANZAC Research Institute, Concord, NSW 2139, Australia
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
- Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia
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Naskar S, Das SK, Sharma S, Kuotsu K. A Review on Designing Poly (Lactic-co-glycolic Acid) Nanoparticles as Drug Delivery Systems. Pharm Nanotechnol 2021; 9:36-50. [PMID: 33319695 DOI: 10.2174/2211738508666201214103010] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/16/2020] [Accepted: 11/02/2020] [Indexed: 12/12/2022]
Abstract
Poly (lactic-co-glycolic acid) (PLGA) is a versatile synthetic polymer comprehensively
used in the pharmaceutical sector because of its biocompatibility and biodegradability. These benefits
lead to its application in the area of nanoparticles (NPs) for drug delivery for over thirty years.
This article offers a general study of the different poly (lactic-co-glycolic acid) nanoparticles (PNPs),
preparation methods such as emulsification-solvent evaporation, coacervation, emulsification
solvent diffusion, dialysis, emulsification reverse salting out, spray drying nanoprecipitation, and
supercritical fluid technology, from the methodological point of view. The physicochemical behavior
of PNPs, including morphology, drug loading, particle size and its distribution, surface
charge, drug release, stability as well as cytotoxicity study and cellular uptake, are briefly discussed.
This survey additionally coordinates to bring a layout of the significant uses of PNPs in different
drug delivery system over the three decades. At last, surface modifications of PNPs and PLGA
nanocomplexes (NCs) are additionally examined.
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Affiliation(s)
- Sweet Naskar
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata-700032, West Bengal, India
| | - Sanjoy Kumar Das
- Institute of Pharmacy, Jalpaiguri, Pin-735101, West Bengal, India
| | - Suraj Sharma
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata-700032, West Bengal, India
| | - Ketousetuo Kuotsu
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata-700032, West Bengal, India
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Ribeiro SB, de Araújo AA, Oliveira MMB, dos Santos Silva AM, da Silva-Júnior AA, Guerra GCB, Brito GADC, Leitão RFDC, de Araújo Júnior RF, Garcia VB, Vasconcelos RC, de Medeiros CACX. Effect of Dexamethasone-Loaded PLGA Nanoparticles on Oral Mucositis Induced by 5-Fluorouracil. Pharmaceutics 2021; 13:53. [PMID: 33406583 PMCID: PMC7823510 DOI: 10.3390/pharmaceutics13010053] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/23/2020] [Accepted: 12/01/2020] [Indexed: 01/06/2023] Open
Abstract
Oral mucositis (OM) is characterized by the presence of severe ulcers in the oral region that affects patients treated with chemotherapy. It occurs in almost all patients who receive radiotherapy of the head and neck, as well as patients who undergo hematopoietic cell transplantation. The pathophysiology of OM is complex, and there is no effective therapy. The aim of this study was to evaluate the effect of dexamethasone-loaded poly(d,l-Lactic-co-glycolic) nanoparticles (PLGA-DEX NPs) on an OM model induced in hamsters. The NPs were synthesized using the emulsification-solvent evaporation method and were characterized by the size, zeta potential, encapsulation efficiency, atomic force microscopy, physicochemical stability, and the in vitro release. The OM was induced by the administration of 5-FU on the first and second days and mechanical trauma on the 4th day of the experiment. PLGA-DEX NPs were administered to treat OM. The animals were euthanized on the 10th day. Macroscopic and histopathological analyses were performed, measurement of malonaldehyde (MDA) and ELISA was used to determine the levels of IL-1β and TNF-α. Immunoexpressions of NF-κB, COX-2, and TGF-β were determined by immunohistochemistry, and qRT-PCR was used to quantify the gene expression of the GILZ, MKP1, and NF-κB p65. The PLGA-DEX NPs (0.1 mg/kg) significantly reduced macroscopic and histopathological scores, decreased MDA, TNF-α and IL-1β levels, immunostaining for NF-κB, COX-2, TGF-β, and suppressed NF-κB p65 mRNA expression, but increased GILZ and MKP1 expression.
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Affiliation(s)
- Susana Barbosa Ribeiro
- Post Graduate Program Biotechnology-RENORBIO, Federal University of Rio Grande do Norte, 3000 Senador Salgado Filho Ave, Lagoa Nova, Natal RN 59078-970, Brazil; (S.B.R.); (M.M.B.O.)
| | - Aurigena Antunes de Araújo
- Post Graduate Program Dental Sciences, Post Graduate Program Pharmaceutical Science, Department of Biophysics and Pharmacology, Federal University of Rio Grande do Norte, 3000 Senador Salgado Filho Ave, Lagoa Nova, Natal RN 59078-970, Brazil;
| | - Maisie Mitchele Barbosa Oliveira
- Post Graduate Program Biotechnology-RENORBIO, Federal University of Rio Grande do Norte, 3000 Senador Salgado Filho Ave, Lagoa Nova, Natal RN 59078-970, Brazil; (S.B.R.); (M.M.B.O.)
| | - Alaine Maria dos Santos Silva
- Laboratory of Pharmaceutical Technology & Biotechnology (TecBioFar), Post Graduate Program Pharmaceutical Sciences, Pharmacy Department, Federal University of Rio Grande do Norte, General Gustavo Cordeiro de Faria St, Petrópolis, Natal RN 59012-570, Brazil; (A.M.d.S.S.); (A.A.d.S.-J.)
| | - Arnóbio Antônio da Silva-Júnior
- Laboratory of Pharmaceutical Technology & Biotechnology (TecBioFar), Post Graduate Program Pharmaceutical Sciences, Pharmacy Department, Federal University of Rio Grande do Norte, General Gustavo Cordeiro de Faria St, Petrópolis, Natal RN 59012-570, Brazil; (A.M.d.S.S.); (A.A.d.S.-J.)
| | - Gerlane Coelho Bernardo Guerra
- Post Graduate Program Biochemistry and Molecular Biology, Post Graduate Program Pharmaceutical Science, Department of Biophysics and Pharmacology, Federal University of Rio Grande do Norte, 3000 Senador Salgado Filho Ave, Lagoa Nova, Natal RN 59078-970, Brazil;
| | - Gerly Anne de Castro Brito
- Post Graduate Program Morphofunctional Sciences, Department of Morphology, Faculty of Medicine, Federal University of Ceará, Delmiro de Farias St, Rodolfo Teófilo, Fortaleza CE 60416-030, Brazil; (G.A.d.C.B.); (R.F.d.C.L.)
| | - Renata Ferreira de Carvalho Leitão
- Post Graduate Program Morphofunctional Sciences, Department of Morphology, Faculty of Medicine, Federal University of Ceará, Delmiro de Farias St, Rodolfo Teófilo, Fortaleza CE 60416-030, Brazil; (G.A.d.C.B.); (R.F.d.C.L.)
| | - Raimundo Fernandes de Araújo Júnior
- Post Graduate Program Functional and Structural Biology, Post Graduate Program Health Science, Department of Morphology, Federal University of Rio Grande do Norte, 3000 Senador Salgado Filho Ave, Lagoa Nova, Natal RN 59078-970, Brazil;
| | - Vinícius Barreto Garcia
- Post Graduate Program Health Science, Federal University of Rio Grande do Norte, General Gustavo Cordeiro de Faria St, Petrópolis, Natal RN 59012-570, Brazil;
| | | | - Caroline Addison Carvalho Xavier de Medeiros
- Post Graduate Program Biotechnology-RENORBIO, Federal University of Rio Grande do Norte, 3000 Senador Salgado Filho Ave, Lagoa Nova, Natal RN 59078-970, Brazil; (S.B.R.); (M.M.B.O.)
- Post Graduate Program Biochemistry and Molecular Biology, Department of Biophysics and Pharmacology, Federal University of Rio Grande do Norte, 3000 Senador Salgado Filho Ave, Lagoa Nova, Natal RN 59078-970, Brazil
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Tong Y, Zhang L, Gong R, Shi J, Zhong L, Duan X, Zhu Y. A ROS-scavenging multifunctional nanoparticle for combinational therapy of diabetic nephropathy. NANOSCALE 2020; 12:23607-23619. [PMID: 33210670 DOI: 10.1039/d0nr06098d] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Although synergistic therapy for diabetes mellitus has displayed significant promise for the effective treatment of diabetic nephropathy (DN), developing a simple and effective strategy to construct multifunctional nanoparticles is still a huge challenge. Moreover, the complicated pathological mechanism of DN involves various pathway dysfunctions that limit the effectiveness of a single therapeutic approach. Herein, hollow mesoporous silica nanocomposite (HMSN) particles doped with trace cerium oxide that exhibit renoprotective activity have been designed, which not only have the ability to prevent ROS-associated DN pathogenesis but also have high drug loading capacity. Interestingly, the metformin (MET) loaded multifunctional nanoparticles (MET-HMSN-CeO2) with a special size exhibited significantly increased kidney accumulation over free MET. Moreover, the cyclic conversion between Ce3+ and Ce4+ of mixed-valence ceria in our system provides the possibility for long-term ROS-scavenging activity to achieve the antioxidative effect. Then, we investigated the renoprotective effect of these nanoparticles on the streptozotocin (STZ)-induced renal injury rat model and high-glucose induced NRK-52E cell damage model. As a result, our findings demonstrated that the nanoparticles could alleviate the DN symptoms by mitigating oxidative stress, suppressing cellular apoptosis and protecting renal injury both in vitro and in vivo. The kidney deficits of DN are significantly improved after treatment with MET-HMSN-CeO2. Overall, our studies indicated that the MET-HMSN-CeO2 multifunctional nanoparticles would be a promising therapeutic candidate for DN.
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Affiliation(s)
- Yuna Tong
- Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu 610072, China.
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Brun A, Moignot N, Colombier ML, Dursun E. Emerging Nanotechnology in Non-Surgical Periodontal Therapy in Animal Models: A Systematic Review. NANOMATERIALS 2020; 10:nano10071414. [PMID: 32698391 PMCID: PMC7407288 DOI: 10.3390/nano10071414] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/21/2020] [Accepted: 07/16/2020] [Indexed: 12/24/2022]
Abstract
Periodontitis is one of the most prevalent inflammatory diseases. Its treatment, mostly mechanical and non-surgical, shows limitations. The aim of this systematic review was to investigate the effect of nanoparticles as a treatment alone in non-surgical periodontal therapy in animal models. A systematic search was conducted in Medline/PubMed, Web of Science, The Cochrane Library and Science Direct. The eligibility criteria were: studies (i) using nanoparticles as chemotherapeutic agent or as delivery system; (ii) including preclinical controlled animal model (experimental periodontitis); (iii) reporting alveolar bone loss; (iv) written in English; and (v) published up to June 2019. Risk of bias was evaluated according to the SYstematic Review Centre for Laboratory Animal Experimentation. On the 1324 eligible studies, 11 were included. All reported advantages in using nanoparticles for the treatment of periodontitis, highlighted by a reduction in bone loss. Agents modulating inflammation seem to be more relevant than antibiotics, in terms of efficiency and risk of antibiotic resistance. In addition, poly(lactic-co-glycolic acid) or drugs used as their own carrier appear to be the most interesting nanoparticles in terms of biocompatibility. Risk of bias assessment highlighted many criteria scored as unclear. There are encouraging preclinical data of using nanoparticles as a contribution to the treatment of periodontitis.
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Affiliation(s)
- Adrian Brun
- Faculty of Dental Surgery, Université de Paris, CEDEX F-92120 Montrouge, France; (A.B.); (N.M.); (M.-L.C.)
- Orofacial Pathologies, Imaging and Biotherapies laboratory, UR2496, Université de Paris, F-92120 Montrouge, France
- Division of Periodontology, Department of Oral Medicine, Henri Mondor Hospital, APHP, F-94000 Créteil, France
| | - Nicolas Moignot
- Faculty of Dental Surgery, Université de Paris, CEDEX F-92120 Montrouge, France; (A.B.); (N.M.); (M.-L.C.)
- Department of Oral Medicine, Bretonneau Hospital, APHP, F-75018 Paris, France
| | - Marie-Laure Colombier
- Faculty of Dental Surgery, Université de Paris, CEDEX F-92120 Montrouge, France; (A.B.); (N.M.); (M.-L.C.)
- Orofacial Pathologies, Imaging and Biotherapies laboratory, UR2496, Université de Paris, F-92120 Montrouge, France
- Division of Periodontology, Department of Oral Medicine, Louis Mourier Hospital, APHP, F-92700 Colombes, France
| | - Elisabeth Dursun
- Faculty of Dental Surgery, Université de Paris, CEDEX F-92120 Montrouge, France; (A.B.); (N.M.); (M.-L.C.)
- Innovative Dental Materials and Interfaces Research Unit (URB2i), EA4462, Université de Paris, Université Sorbonne Paris Nord, F-92120 Montrouge, France
- Division of Paediatric Dentistry, Department of Oral Medicine, Henri Mondor Hospital, APHP, F-94000 Créteil, France
- Correspondence:
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Yamashiro K, Ideguchi H, Aoyagi H, Yoshihara-Hirata C, Hirai A, Suzuki-Kyoshima R, Zhang Y, Wake H, Nishibori M, Yamamoto T, Takashiba S. High Mobility Group Box 1 Expression in Oral Inflammation and Regeneration. Front Immunol 2020; 11:1461. [PMID: 32760399 PMCID: PMC7371933 DOI: 10.3389/fimmu.2020.01461] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 06/04/2020] [Indexed: 12/14/2022] Open
Abstract
High mobility group box 1 (HMGB1) is a non-histone DNA-binding protein of about 30 kDa. It is released from a variety of cells into the extracellular milieu in response to inflammatory stimuli and acts on specific cell-surface receptors, such as receptors for advanced glycation end-products (RAGE), Toll-like receptor (TLR)2, TLR4, with or without forming a complex with other molecules. HMGB1 mediates various mechanisms such as inflammation, cell migration, proliferation, and differentiation. On the other hand, HMGB1 enhances chemotaxis acting through the C-X-C motif chemokine ligand (CXCL)12/C-X-C chemokine receptor (CXCR)4 axis and is involved in regeneration. In the oral cavity, high levels of HMGB1 have been detected in the gingival tissue from periodontitis and peri-implantitis patients, and it has been shown that secreted HMGB1 induces pro-inflammatory cytokine expression, such as interleukin (IL)-1β, IL-6, and tumor necrosis factor (TNF)-α, which prolong inflammation. In contrast, wound healing after tooth extraction or titanium dental implant osseointegration requires an initial acute inflammation, which is regulated by secreted HMGB1. This indicates that secreted HMGB1 regulates angiogenesis and bone remodeling by osteoclast and osteoblast activation and promotes bone healing in oral tissue repair. Therefore, HMGB1 can prolong inflammation in the periodontal tissue and, conversely, can regenerate or repair damaged tissues in the oral cavity. In this review, we highlight the role of HMGB1 in the oral cavity by comparing its function and regulation with its function in other diseases. We also discuss the necessity for further studies in this field to provide more specific scientific evidence for dentistry.
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Affiliation(s)
- Keisuke Yamashiro
- Department of Periodontics and Endodontics, Okayama University Hospital, Okayama, Japan
| | - Hidetaka Ideguchi
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroaki Aoyagi
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Chiaki Yoshihara-Hirata
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Anna Hirai
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Risa Suzuki-Kyoshima
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yao Zhang
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Hidenori Wake
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Science, Okayama, Japan
| | - Masahiro Nishibori
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Science, Okayama, Japan
| | - Tadashi Yamamoto
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Shogo Takashiba
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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32
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Chen Y, Shan X, Luo C, He Z. Emerging nanoparticulate drug delivery systems
of metformin. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2020. [DOI: 10.1007/s40005-020-00480-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Essa D, Kondiah PPD, Choonara YE, Pillay V. The Design of Poly(lactide-co-glycolide) Nanocarriers for Medical Applications. Front Bioeng Biotechnol 2020; 8:48. [PMID: 32117928 PMCID: PMC7026499 DOI: 10.3389/fbioe.2020.00048] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 01/22/2020] [Indexed: 12/19/2022] Open
Abstract
Polymeric biomaterials have found widespread applications in nanomedicine, and poly(lactide-co-glycolide), (PLGA) in particular has been successfully implemented in numerous drug delivery formulations due to its synthetic malleability and biocompatibility. However, the need for preconception in these formulations is increasing, and this can be achieved by selection and elimination of design variables in order for these systems to be tailored for their specific applications. The starting materials and preparation methods have been shown to influence various parameters of PLGA-based nanocarriers and their implementation in drug delivery systems, while the implementation of computational simulations as a component of formulation studies can provide valuable information on their characteristics. This review provides a critical summary of the synthesis and applications of PLGA-based systems in bio-medicine and outlines experimental and computational design considerations of these systems.
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Affiliation(s)
| | | | | | - Viness Pillay
- Wits Advanced Drug Delivery Platform, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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Zhu J, Ye H, Deng D, Li J, Wu Y. Electrospun metformin-loaded polycaprolactone/chitosan nanofibrous membranes as promoting guided bone regeneration membranes: Preparation and characterization of fibers, drug release, and osteogenic activity in vitro. J Biomater Appl 2020; 34:1282-1293. [PMID: 31964207 DOI: 10.1177/0885328220901807] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Junjin Zhu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Huilin Ye
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Dan Deng
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu, China
| | - Jidong Li
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu, China
| | - Yingying Wu
- Department of Implantology, State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Brun A, Moignot N, Colombier ML, Dursun E. Towards the nano-control of periodontal inflammation? Oral Dis 2019; 26:245-248. [PMID: 31647146 DOI: 10.1111/odi.13219] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/11/2019] [Accepted: 10/22/2019] [Indexed: 01/25/2023]
Affiliation(s)
- Adrian Brun
- Faculty of Dental Surgery, Université de Paris, Montrouge, France.,Laboratory for Vascular Translational Science, Inserm U1148, Paris, France.,Division of Periodontology, Department of Oral Medicine, Henri Mondor Hospital, AP-HP, Créteil, France
| | - Nicolas Moignot
- Faculty of Dental Surgery, Université de Paris, Montrouge, France.,Department of Oral Medicine, Bretonneau Hospital, AP-HP, Paris, France
| | - Marie-Laure Colombier
- Faculty of Dental Surgery, Université de Paris, Montrouge, France.,Orofacial Pathologies, Imaging and Biotherapies laboratory, EA2496, Montrouge, France.,Division of Periodontology, Department of Oral Medicine, Louis Mourier Hospital, AP-HP, Colombes, France
| | - Elisabeth Dursun
- Faculty of Dental Surgery, Université de Paris, Montrouge, France.,Innovative Dental Materials and Interfaces Research Unit (URB2i), EA4462, Université de Paris, Université Paris 13, Montrouge, France.,Division of Paediatric Dentistry, Department of Oral Medicine, Henri Mondor Hospital, AP-HP, Créteil, France
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Shehata TM, Ibrahima MM. BÜCHI nano spray dryer B-90: a promising technology for the production of metformin hydrochloride-loaded alginate-gelatin nanoparticles. Drug Dev Ind Pharm 2019; 45:1907-1914. [PMID: 31621436 DOI: 10.1080/03639045.2019.1680992] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The current study aimed to formulate gelatin/sodium alginate nanoparticles utilizing BÜCHI nano spray dryer B-90. Nanoparticles possess many of the advantages including new routes of drug administrations and sustained release properties. Utilizing B-90 technology, metformin hydrochloride (MET) nanoparticles were successfully developed. Preformulation studies such as atomization head mesh size, flow rate, head temperature, polymer viscosity, and surface tension, were adjusted. Additionally, post-formulation characters such as particle size, flowability, surface scan, and dissolution profiles, were evaluated. Spray head (7 µm hole), flow rate (3.5 ml/min) and head temperature (120 °C) were optimized. Polymer viscosity was less than 11.2 cP with a surface tension less than 70.1 dyne/cm. Moreover, anti-diabetic effects of MET formulations were evaluated in streptozotocin-induced diabetic rats. Here, discrete, non-aggregated free-flowing nanoparticle powders with a particle size less than 850 nm were generated. Gelatin/sodium-alginate (1:3) produced nanoparticles were successfully sustained by the in vitro release profile of the drug. In vivo evaluations of the previous formula showed a significant reduction of blood glucose level over 24 h. In conclusion, Nano Spray Dryer B-90 (Büchi Labortechnik AG, Flawil, Switzerland) offers a promising technology for nanoparticles formulation as controlled drug delivery systems enhancing compliance of type-II diabetic patients.
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Affiliation(s)
- Tamer M Shehata
- Faculty of Pharmacy, Zagazig University, Zagazig, Egypt.,Pharmaceutical Science Department, College of Clinical Pharmacy, King Faisal University, Al-Hasa, Saudi Arabia
| | - Mahmoud M Ibrahima
- Faculty of Pharmacy, Zagazig University, Zagazig, Egypt.,Pharmacy Program, Ministry of Health, Oman College of Health Sciences, Muscat, Oman
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