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Heidarrezaei M, Mauriello G, Shokravi H, Lau WJ, Ismail AF. Delivery of Probiotic-Loaded Microcapsules in the Gastrointestinal Tract: A Review. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10311-6. [PMID: 38907825 DOI: 10.1007/s12602-024-10311-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/12/2024] [Indexed: 06/24/2024]
Abstract
Probiotics are live microorganisms that inhabit the gastrointestinal tract and confer health benefits to consumers. However, a sufficient number of viable probiotic cells must be delivered to the specific site of interest in the gastrointestinal tract to exert these benefits. Enhanced viability and tolerance to sublethal gastrointestinal stress can be achieved using appropriate coating materials and food matrices for orally consumed probiotics. The release mechanism and interaction of probiotic microcapsules with the gastrointestinal tract have been minimally explored in the literature to date. To the authors' knowledge, no review has been published to discuss the nature of release and the challenges in the targeted delivery of probiotics. This review addresses gastrointestinal-related complications in the formulation of targeted delivery and controlled release of probiotic strains. It investigates the impacts of environmental stresses during the transition stage and delivery to the target region in the gastrointestinal tract. The influence of factors such as pH levels, enzymatic degradation, and redox conditions on the release mechanisms of probiotics is presented. Finally, the available methods to evaluate the efficiency of a probiotic delivery system, including in vitro and in vivo, are reviewed and assessed. The paper concludes with a discussion highlighting the emerging technologies in the field and emphasising key areas in need of future study.
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Affiliation(s)
- Mahshid Heidarrezaei
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310, Johor Bahru, Malaysia.
- Institute of Bioproduct Development (IBD), Universiti Teknologi Malaysia, 81310, Johor Bahru, Malaysia.
| | - Gianluigi Mauriello
- Department of Agricultural Science, University of Naples Federico II, 80049, Naples, Italy
| | - Hoofar Shokravi
- Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310, Johor Bahru, Malaysia
| | - Woei Jye Lau
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310, Johor Bahru, Malaysia
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Johor Bahru, Malaysia
| | - Ahmad Fauzi Ismail
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310, Johor Bahru, Malaysia
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Johor Bahru, Malaysia
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2
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Wallace R, Bliss CM, Parker AL. The Immune System-A Double-Edged Sword for Adenovirus-Based Therapies. Viruses 2024; 16:973. [PMID: 38932265 PMCID: PMC11209478 DOI: 10.3390/v16060973] [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: 05/25/2024] [Revised: 06/12/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
Pathogenic adenovirus (Ad) infections are widespread but typically mild and transient, except in the immunocompromised. As vectors for gene therapy, vaccine, and oncology applications, Ad-based platforms offer advantages, including ease of genetic manipulation, scale of production, and well-established safety profiles, making them attractive tools for therapeutic development. However, the immune system often poses a significant challenge that must be overcome for adenovirus-based therapies to be truly efficacious. Both pre-existing anti-Ad immunity in the population as well as the rapid development of an immune response against engineered adenoviral vectors can have detrimental effects on the downstream impact of an adenovirus-based therapeutic. This review focuses on the different challenges posed, including pre-existing natural immunity and anti-vector immunity induced by a therapeutic, in the context of innate and adaptive immune responses. We summarise different approaches developed with the aim of tackling these problems, as well as their outcomes and potential future applications.
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Affiliation(s)
- Rebecca Wallace
- Division of Cancer and Genetics, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK; (R.W.); (C.M.B.)
| | - Carly M. Bliss
- Division of Cancer and Genetics, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK; (R.W.); (C.M.B.)
- Systems Immunity University Research Institute, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK
| | - Alan L. Parker
- Division of Cancer and Genetics, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK; (R.W.); (C.M.B.)
- Systems Immunity University Research Institute, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK
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Ma R, Shi X, Wang X, Si C, Gong Y, Jian W, Zhou C, Yang H, Xu L, Zhang H. Development of a tobramycin-loaded calcium alginate microsphere/chitosan composite sponge with antibacterial effects as a wound dressing. Biomed Mater 2024; 19:045030. [PMID: 38815605 DOI: 10.1088/1748-605x/ad525e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 05/30/2024] [Indexed: 06/01/2024]
Abstract
Traditional dressings exhibit several disadvantages, as they frequently lead to bacterial infections, cause severe tissue adhesion and perform a relatively single function. Therefore, in this study, a composite sponge dressing with antibacterial properties and excellent physicochemical properties was developed. Six groups of tobramycin-loaded calcium alginate microspheres were prepared by changing the amount of tobramycin added, and the optimal group was selected. Then, seven groups of tobramycin-loaded calcium alginate microsphere/chitosan composite sponges were fabricated via a solvent blending process and a freeze-drying method. The surface morphology, physicochemical properties,in vitrodegradation properties,in vitrodrug release properties, antibacterial properties and cytotoxicity of the composite sponges were examined. Group 3.0 contained the best microspheres with the largest drug loading capacity, good swelling performance and cumulative drug release rate, obvious and sustained antibacterial activity, and good cytocompatibility. The tobramycin-loaded calcium alginate microsphere/chitosan composite sponges exhibited three-dimensional porous structures, and their porosity, swelling rate, water absorption and water retention rates and water vapor transmission rate met the standards needed for an ideal dressing. The comprehensive performance of the sponge was best when 20 mg of drug-loaded microspheres was added (i.e. group 20). The cumulative drug release rate of the sponge was 29.67 ± 4.14% at 7 d, the diameters of the inhibition zones against the three bacteria were greater than 15 mm, and L929 cell proliferation was promoted. These results demonstrated that the tobramycin-loaded calcium alginate microsphere/chitosan composite sponge with 20 mg of tobramycin-loaded microspheres shows promise as a dressing for infected wounds.
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Affiliation(s)
- Ruixia Ma
- College of Stomatology, Ningxia Medical University, Yinchuan 750004, People's Republic of China
- Department of Stomatology, The Third People's Hospital of Yinchuan, Yinchuan 750004, People's Republic of China
| | - Xingyan Shi
- College of Stomatology, Ningxia Medical University, Yinchuan 750004, People's Republic of China
- Ningxia Province Key Laboratory of Oral Diseases Research, Ningxia Medical University, Yinchuan 750004, People's Republic of China
| | - Xiaoyan Wang
- College of Stomatology, Ningxia Medical University, Yinchuan 750004, People's Republic of China
- Ningxia Province Key Laboratory of Oral Diseases Research, Ningxia Medical University, Yinchuan 750004, People's Republic of China
| | - Chenchen Si
- General Hospital of Ningxia Medical University, Yinchuan 750004, People's Republic of China
| | - Yuwei Gong
- College of Stomatology, Ningxia Medical University, Yinchuan 750004, People's Republic of China
- Ningxia Province Key Laboratory of Oral Diseases Research, Ningxia Medical University, Yinchuan 750004, People's Republic of China
| | - Wei Jian
- College of Stomatology, Ningxia Medical University, Yinchuan 750004, People's Republic of China
- Ningxia Province Key Laboratory of Oral Diseases Research, Ningxia Medical University, Yinchuan 750004, People's Republic of China
| | - Chen Zhou
- College of Stomatology, Ningxia Medical University, Yinchuan 750004, People's Republic of China
- Ningxia Province Key Laboratory of Oral Diseases Research, Ningxia Medical University, Yinchuan 750004, People's Republic of China
| | - Hui Yang
- College of Stomatology, Ningxia Medical University, Yinchuan 750004, People's Republic of China
- Ningxia Province Key Laboratory of Oral Diseases Research, Ningxia Medical University, Yinchuan 750004, People's Republic of China
| | - Lihua Xu
- Department of General Medicine, First Affiliated Hospital, Wenzhou Medical University, Wenzhou 325000, People's Republic of China
| | - Hualin Zhang
- College of Stomatology, Ningxia Medical University, Yinchuan 750004, People's Republic of China
- Ningxia Province Key Laboratory of Oral Diseases Research, Ningxia Medical University, Yinchuan 750004, People's Republic of China
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4
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Upadhyay U, Kolla S, Maredupaka S, Priya S, Srinivasulu K, Chelluri LK. Development of an alginate-chitosan biopolymer composite with dECM bioink additive for organ-on-a-chip articular cartilage. Sci Rep 2024; 14:11765. [PMID: 38782958 PMCID: PMC11116456 DOI: 10.1038/s41598-024-62656-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 05/20/2024] [Indexed: 05/25/2024] Open
Abstract
In vitro use of articular cartilage on an organ-on-a-chip (OOAC) via microfluidics is challenging owing to the dense extracellular matrix (ECM) composed of numerous protein moieties and few chondrocytes, which has limited proliferation potential and microscale translation. Hence, this study proposes a novel approach for using a combination of biopolymers and decellularised ECM (dECM) as a bioink additive in the development of scalable OOAC using a microfluidic platform. The bioink was tested with native chondrocytes and mesenchymal stem cell-induced chondrocytes using biopolymers of alginate and chitosan composite hydrogels. Two-dimensional (2D) and three-dimensional (3D) biomimetic tissue construction approaches have been used to characterise the morphology and cellular marker expression (by histology and confocal laser scanning microscopy), viability (cell viability dye using flow cytometry), and genotypic expression of ECM-specific markers (by quantitative PCR). The results demonstrated that the bioink had a significant impact on the increase in phenotypic and genotypic expression, with a statistical significance level of p < 0.05 according to Student's t-test. The use of a cell-laden biopolymer as a bioink optimised the niche conditions for obtaining hyaline-type cartilage under culture conditions, paving the way for testing mechano-responsive properties and translating these findings to a cartilage-on-a-chip microfluidics system.
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Affiliation(s)
- Upasna Upadhyay
- Stem Cell Unit, Global Medical Education and Research Foundation (GMERF), Lakdi-ka-pul, Hyderabad, Telangana, 500004, India
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation (KLEF) Deemed to be University, Vaddeswaram, Vijayawada, Andhra Pradesh, 522302, India
| | - Saketh Kolla
- Department of Orthopaedics, Gleneagles Global Hospitals, Lakdi-ka-pul, Hyderabad, Telangana, 500004, India
| | - Siddhartha Maredupaka
- Department of Orthopaedics, Gleneagles Global Hospitals, Lakdi-ka-pul, Hyderabad, Telangana, 500004, India
| | - Swapna Priya
- Stem Cell Unit, Global Medical Education and Research Foundation (GMERF), Lakdi-ka-pul, Hyderabad, Telangana, 500004, India
| | - Kamma Srinivasulu
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation (KLEF) Deemed to be University, Vaddeswaram, Vijayawada, Andhra Pradesh, 522302, India
| | - Lakshmi Kiran Chelluri
- Advanced Diagnostics and Therapeutics, Gleneagles Global Hospitals, Lakdi-ka-pul, Hyderabad, Telangana, 500004, India.
- Academics and Research, Global Medical Education and Research Foundation (GMERF), Gleneagles Global Hospitals, Lakdi-ka-pul, Hyderabad, Telangana, 500004, India.
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Wang Q, Zhu L, Sheng Q. Clinical research progress of callisperes ® of drug-loaded microsphere arterial chemoembolisation in the treatment of solid tumors. Discov Oncol 2024; 15:161. [PMID: 38739205 DOI: 10.1007/s12672-024-01030-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 05/10/2024] [Indexed: 05/14/2024] Open
Abstract
The incidence and mortality of cancer is ever-increasing, which poses a significant challengesto human health and a substantial economic burden to patients. At present, chemotherapy is still a primary treatment for various cancers. However, chemotherapy kills tumors but also induces the related side effects, whichadversely impacting patient quality of life and exacerbating suffering. Therefore, there is an urgent need for new and effective treatments that can control tumor growth while reducing the side effects for patients. Arterial chemoembolization has been attracted much attentionwhich attributed to the advantage of ability to embolize tumor vessels to block blood and nutrition supplies. Thus, to achieve local tumor control, it has become an effective means of local tumor control and has been widely used in clinical practice. Despite its efficacy, conventional arterial chemoembolization techniques, limited by embolization materials, have been associated with incomplete embolization and suboptimal drug delivery outcomes. Gradually, researchers have shifted their attention to a new type of embolic material called CalliSperes® drug-eluting embolic bead (DEB). DEB can not only load high doses of drugs, but also has strong sustained drug release ability and good biocompatibility. The integration of DEBs with traditional arterial chemoembolization (DEB-TACE) promises targeted vascular embolization, mitigated tumor ischemia and hypoxia, and direct intravascular chemotherapy delivery. It can prevent cancer cell differentiation and accelerate their death, meanwhile, directly injecting chemotherapy drugs into the target blood vessels reduced the blood concentration of the whole body, thus reduced the toxic and side effects of chemotherapy. Furthermore, DEB-TACE's sustained drug release capability elevates local drug concentrations at the tumor site, amplifying its antitumor efficacy. Therefore, DEB-TACE has become a hot spot in clinical research worldwide. This review introduces the pathogenesis of solid tumors, the background of research and biological characteristics of DEB, and the action mechanism of DEB-TACE, as well as its clinical research in various solid tumors and future prospects. This review aims to provide new ideas for the treatment of DEB-TACE in various solid tumors.
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Affiliation(s)
- Qin Wang
- Department of Infectious Diseases, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Lujian Zhu
- Department of Infectious Diseases, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Qiyue Sheng
- Department of Infectious Diseases, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China.
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Wu H, Ding C, Ma X, Gao Z, Liu S, Liu B, Song S. Microencapsulate Probiotics (MP) Promote Growth Performance and Inhibit Inflammatory Response in Broilers Challenged with Salmonella typhimurium. Probiotics Antimicrob Proteins 2024; 16:623-635. [PMID: 37043165 DOI: 10.1007/s12602-023-10074-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2023] [Indexed: 04/13/2023]
Abstract
Antibiotic-resistant bacteria are prevalent in husbandry around the world due to the abuse of antibiotic growth promoters (AGPs); therefore, it is necessary to find alternatives to AGPs in animal feed. Among all the candidates, probiotics are promising alternatives to AGPs against Salmonella infection. The anti-Salmonella effects of three probiotic strains, namely, Lactobacillus crispatus 7-4, Lactobacillus johnsonii 3-1, and Pediococcus acidilactici 20-1, have been demonstrated in our previous study. In this study, we further obtained the alginate beads containing compound probiotics, namely, microencapsulate probiotics (MP), and evaluated its regulatory effect on the health of broilers. We incubated free and microencapsulate probiotics in simulated gastric and intestinal juice for 2 h, and the results showed that compared to free probiotics, encapsulation increased tolerance of compound probiotics in the simulated gastrointestinal condition. We observed that the application of probiotics, especially MP, conferred protective effects against Salmonella typhimurium (S.Tm) infection in broilers. Compared to the S.Tm group, the MP could promote the growth performance (p < 0.05) and reduce the S.Tm load in intestine and liver (p < 0.05). In detail, MP pretreatment could modulate the cecal microflora and upregulate the relative abundance of Lactobacillus and Enterobacteriaceae. Besides, MP could reduce the inflammation injury of the intestine and liver, reduce the pro-inflammatory cytokines (IL-6, TNF-α, IL-1β) expression, and induce of anti-inflammatory cytokine (IL-10) expression. Furthermore, MP could inhibit NLRP3 pathway in ileum, thereby attenuating S.Tm-induced inflammation. In conclusion, MP could be a new feeding supplementation strategy to substitute AGPs in poultry feeding.
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Affiliation(s)
- Huixian Wu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Chenchen Ding
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xujie Ma
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zhangshan Gao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Shuhui Liu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Bin Liu
- Management Office of Dafeng, Milu National Nature Reserve, Yancheng, 224136, China
| | - Suquan Song
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China.
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Kavand A, Noverraz F, Gerber-Lemaire S. Recent Advances in Alginate-Based Hydrogels for Cell Transplantation Applications. Pharmaceutics 2024; 16:469. [PMID: 38675129 PMCID: PMC11053880 DOI: 10.3390/pharmaceutics16040469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
With its exceptional biocompatibility, alginate emerged as a highly promising biomaterial for a large range of applications in regenerative medicine. Whether in the form of microparticles, injectable hydrogels, rigid scaffolds, or bioinks, alginate provides a versatile platform for encapsulating cells and fostering an optimal environment to enhance cell viability. This review aims to highlight recent studies utilizing alginate in diverse formulations for cell transplantation, offering insights into its efficacy in treating various diseases and injuries within the field of regenerative medicine.
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Affiliation(s)
| | | | - Sandrine Gerber-Lemaire
- Group for Functionalized Biomaterials, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland; (A.K.); (F.N.)
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Rana MM, De la Hoz Siegler H. Evolution of Hybrid Hydrogels: Next-Generation Biomaterials for Drug Delivery and Tissue Engineering. Gels 2024; 10:216. [PMID: 38667635 PMCID: PMC11049329 DOI: 10.3390/gels10040216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/14/2024] [Accepted: 03/19/2024] [Indexed: 04/28/2024] Open
Abstract
Hydrogels, being hydrophilic polymer networks capable of absorbing and retaining aqueous fluids, hold significant promise in biomedical applications owing to their high water content, permeability, and structural similarity to the extracellular matrix. Recent chemical advancements have bolstered their versatility, facilitating the integration of the molecules guiding cellular activities and enabling their controlled activation under time constraints. However, conventional synthetic hydrogels suffer from inherent weaknesses such as heterogeneity and network imperfections, which adversely affect their mechanical properties, diffusion rates, and biological activity. In response to these challenges, hybrid hydrogels have emerged, aiming to enhance their strength, drug release efficiency, and therapeutic effectiveness. These hybrid hydrogels, featuring improved formulations, are tailored for controlled drug release and tissue regeneration across both soft and hard tissues. The scientific community has increasingly recognized the versatile characteristics of hybrid hydrogels, particularly in the biomedical sector. This comprehensive review delves into recent advancements in hybrid hydrogel systems, covering the diverse types, modification strategies, and the integration of nano/microstructures. The discussion includes innovative fabrication techniques such as click reactions, 3D printing, and photopatterning alongside the elucidation of the release mechanisms of bioactive molecules. By addressing challenges, the review underscores diverse biomedical applications and envisages a promising future for hybrid hydrogels across various domains in the biomedical field.
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Affiliation(s)
- Md Mohosin Rana
- Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z7, Canada;
- Centre for Blood Research, Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Hector De la Hoz Siegler
- Department of Chemical and Petroleum Engineering, Schulich School of Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
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El-Husseiny HM, Mady EA, Doghish AS, Zewail MB, Abdelfatah AM, Noshy M, Mohammed OA, El-Dakroury WA. Smart/stimuli-responsive chitosan/gelatin and other polymeric macromolecules natural hydrogels vs. synthetic hydrogels systems for brain tissue engineering: A state-of-the-art review. Int J Biol Macromol 2024; 260:129323. [PMID: 38242393 DOI: 10.1016/j.ijbiomac.2024.129323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 12/30/2023] [Accepted: 01/05/2024] [Indexed: 01/21/2024]
Abstract
Currently, there are no viable curative treatments that can enhance the central nervous system's (CNS) recovery from trauma or illness. Bioengineered injectable smart/stimuli-responsive hydrogels (SSRHs) that mirror the intricacy of the CNS milieu and architecture have been suggested as a way to get around these restrictions in combination with medication and cell therapy. Additionally, the right biophysical and pharmacological stimuli are required to boost meaningful CNS regeneration. Recent research has focused heavily on developing SSRHs as cutting-edge delivery systems that can direct the regeneration of brain tissue. In the present article, we have discussed the pathology of brain injuries, and the applicable strategies employed to regenerate the brain tissues. Moreover, the most promising SSRHs for neural tissue engineering (TE) including alginate (Alg.), hyaluronic acid (HA), chitosan (CH), gelatin, and collagen are used in natural polymer-based hydrogels and thoroughly discussed in this review. The ability of these hydrogels to distribute bioactive substances or cells in response to internal and external stimuli is highlighted with particular attention. In addition, this article provides a summary of the most cutting-edge techniques for CNS recovery employing SSRHs for several neurodegenerative diseases.
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Affiliation(s)
- Hussein M El-Husseiny
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo 183-8509, Japan; Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya 13736, Egypt.
| | - Eman A Mady
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo 183-8509, Japan; Department of Animal Hygiene, Behavior and Management, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya 13736, Egypt.
| | - Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt; Department of Biochemistry, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, Cairo, Egypt.
| | - Moataz B Zewail
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Badr University in Cairo, Badr City, Cairo 11829, Egypt
| | - Amr M Abdelfatah
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mina Noshy
- Clinical Pharmacy Department, Faculty of Pharmacy, King Salman International University (KSIU), South Sinai, Ras Sudr 46612, Egypt
| | - Osama A Mohammed
- Department of Pharmacology, College of Medicine, University of Bisha, Bisha 61922, Saudi Arabia
| | - Walaa A El-Dakroury
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Badr University in Cairo, Badr City, Cairo 11829, Egypt
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10
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Lu G, Zhong H, Gao J, Zhang Y. Alginate microspheres encapsulating hox transcript antisense RNA siRNA regulate the Hedgehog-Gli1 pathway to alleviate epidermal growth factor receptor tyrosine kinase inhibitors resistance. J Biomater Appl 2024; 38:877-889. [PMID: 38261797 DOI: 10.1177/08853282241228667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
The long non-coding RNA HOTAIR and the Hedgehog-Gli1 signaling pathway are closely associated with tumor occurrence and drug resistance in various cancers. However, their specific roles in the development of EGFR-TKIs resistance in non-small cell carcinoma remain unclear. To address the issue of EGFR-TKIs resistance, this study utilized the electrospray method to prepare sodium alginate microspheres encapsulating HOTAIR siRNA (SA/HOTAIR siRNA) and investigated its effects on RNA interference (RNAi) in the gefitinib-resistant cell line PC9/GR. Furthermore, the study explored whether HOTAIR could modulate EGFR-TKIs resistance through the Hedgehog-GLi1 signaling pathway. The experimental results showed that sodium alginate (SA) microspheres demonstrated excellent biocompatibility with high encapsulation efficiency and drug-loading capacity, effectively enhancing the silencing efficiency of siRNA. HOTAIR siRNA significantly inhibited the proliferation, migration, and invasion abilities of PC9/GR cells while promoting apoptosis. Additionally, HOTAIR siRNA effectively suppressed tumor growth and downregulated the Hedgehog-GLi1 pathway and anti-apoptotic proteins, which were confirmed in animal experiments. Moreover, SA/HOTAIR siRNA exhibited superior inhibition of cellular and tumor functions compared to using HOTAIR siRNA alone. Clinical research findings indicated that monitoring the expression level of HOTAIR in the serum and urine samples of NSCLC patients before and after receiving EGFR-TKIs treatment can predict the efficacy of EGFR-TKIs to a certain extent. This study provided evidence that HOTAIR siRNA effectively mitigated the development of acquired resistance to EGFR-TKIs by inhibiting the Hedgehog-GLi1 pathway. Furthermore, it introduced a reliable and long-lasting drug delivery system for combating acquired resistance to EGFR-TKIs.
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Affiliation(s)
- Guojie Lu
- Department of Cardiothoracic Surgery, The Affiliated Panyu Central Hospital of Guangzhou Medical University, Guangzhou, China
| | - Huiling Zhong
- Department of Cardiothoracic Surgery, The Affiliated Panyu Central Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jianwei Gao
- Department of Cardiothoracic Surgery, The Affiliated Panyu Central Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yaosen Zhang
- Department of Cardiothoracic Surgery, The Affiliated Panyu Central Hospital of Guangzhou Medical University, Guangzhou, China
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11
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Zhang YD, Ma AB, Sun L, Chen JD, Hong G, Wu HK. Nanoclay-Modified Hyaluronic Acid Microspheres for Bone Induction by Sustained rhBMP-2 Delivery. Macromol Biosci 2024; 24:e2300245. [PMID: 37572308 DOI: 10.1002/mabi.202300245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/12/2023] [Indexed: 08/14/2023]
Abstract
Microspheres (MSs) are ideal candidates as biological scaffolds loading with growth factors or cells for bone tissue engineering to repair irregular alveolar bone defects by minimally invasive injection. However, the high initial burst release of growth factor and low cell attachment limit the application of microspheres. The modification of microspheres often needs expensive experiments facility or complex chemical reactions, which is difficult to achieve and may bring other problems. In this study, a sol-grade nanoclay, laponite XLS is used to modify the surface of MSs to enhance its affinity to either positively or negatively charged proteins and cells without changing the interior structure of the MSs. Recombinant human bone morphogenetic protein-2 (rhBMP-2) is used as a representation of growth factor to check the osteoinduction ability of laponite XLS-modified MSs. By modification, the protein sustained release, cell loading, and osteoinduction ability of MSs are improved. Modified by 1% laponite XLS, the MSs can not only promote osteogenic differentiation of MC3T3-E1 cells by themselves, but also enhance the effect of the rhBMP-2 below the effective dose. Collectively, the study provides an easy and viable method to modify the biological behavior of microspheres for bone tissue regeneration.
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Affiliation(s)
- Yi-Ding Zhang
- Division for Globalization Initiative, Liaison Center for Innovative Dentistry, Graduate School of Dentistry, Tohoku University, Sendai, 980-8575, Japan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No.14, Section 3, South Renmin Road, Chengdu, Sichuan, 610041, P. R. China
| | - Ao-Bo Ma
- Division for Globalization Initiative, Liaison Center for Innovative Dentistry, Graduate School of Dentistry, Tohoku University, Sendai, 980-8575, Japan
| | - Lu Sun
- Division for Globalization Initiative, Liaison Center for Innovative Dentistry, Graduate School of Dentistry, Tohoku University, Sendai, 980-8575, Japan
| | - Jun-Duo Chen
- Division for Globalization Initiative, Liaison Center for Innovative Dentistry, Graduate School of Dentistry, Tohoku University, Sendai, 980-8575, Japan
| | - Guang Hong
- Division for Globalization Initiative, Liaison Center for Innovative Dentistry, Graduate School of Dentistry, Tohoku University, Sendai, 980-8575, Japan
- Department of Prosthodontics, Faculty of Dental Medicine, Airlangga University, Surabaya, 60115, Indonesia
| | - Hong-Kun Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No.14, Section 3, South Renmin Road, Chengdu, Sichuan, 610041, P. R. China
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12
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Ren Z, Wang Y, Wu H, Cong H, Yu B, Shen Y. Preparation and application of hemostatic microspheres containing biological macromolecules and others. Int J Biol Macromol 2024; 257:128299. [PMID: 38008144 DOI: 10.1016/j.ijbiomac.2023.128299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 11/18/2023] [Accepted: 11/18/2023] [Indexed: 11/28/2023]
Abstract
Bleeding from uncontrollable wounds can be fatal, and the body's clotting mechanisms are unable to control bleeding in a timely and effective manner in emergencies such as battlefields and traffic accidents. For irregular and inaccessible wounds, hemostatic materials are needed to intervene to stop bleeding. Hemostatic microspheres are promising for hemostasis, as their unique structural features can promote coagulation. There is a wide choice of materials for the preparation of microspheres, and the modification of natural macromolecular materials such as chitosan to enhance the hemostatic properties and make up for the deficiencies of synthetic macromolecular materials makes the hemostatic microspheres multifunctional and expands the application fields of hemostatic microspheres. Here, we focus on the hemostatic mechanism of different materials and the preparation methods of microspheres, and introduce the modification methods, related properties and applications (in cancer therapy) for the structural characteristics of hemostatic microspheres. Finally, we discuss the future trends of hemostatic microspheres and research opportunities for developing the next generation of hemostatic microsphere materials.
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Affiliation(s)
- Zekai Ren
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Yumei Wang
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Han Wu
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Hailin Cong
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; School of Materials Science and Engineering, Shandong University of Technology, Zibo 255000, China.
| | - Bing Yu
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China.
| | - Youqing Shen
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Center for Bionanoengineering, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
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13
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Quoniou R, Moreau E, Cachin F, Miot-Noirault E, Chautard E, Peyrode C. 3D Coculture between Cancer Cells and Macrophages: From Conception to Experimentation. ACS Biomater Sci Eng 2024; 10:313-325. [PMID: 38110331 DOI: 10.1021/acsbiomaterials.3c01437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
A tumor is a complex cluster with many types of cells in the microenvironment that help it grow. Macrophages, immune cells whose main role is to maintain body homeostasis, represent in the majority of cancers the most important cell population. In this context, they are called tumor-associated macrophages (TAMs) because of their phenotype, which contributes to tumor growth. In order to limit the use of animals, there is a real demand for the creation of in vitro models able to represent more specifically the complexity of the tumor microenvironment (TME) in order to characterize it and evaluate new treatments. However, the two-dimensional (2D) culture, which has been used for a long time, has shown many limitations, especially in terms of tumor representation. The three-dimensional (3D) models, developed over the last 20 years, have made it possible to get closer to what happens in vivo in terms of phenotypic and functional characteristics. Due to their architectural similarity to in vivo tissues, they provide a more physiologically relevant in vitro system. Most recently, it is the development of 3D coculture models in which two or three cell lines are cultured together that has allowed a better representation of TME with cell-cell interactions. Unfortunately, there is no clear direction for the design of these models at this time. In this Review on the coculture between cancer cells and TAMs, an in-depth analysis is performed to answer multiple questions on the conception of these models: Which models to use, and with which material and cancer lineage? Which monocyte or macrophage lines should be added to the coculture? And how can these models be exploited?
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Affiliation(s)
- Rohan Quoniou
- Imagerie Moléculaire et Stratégies Théranostiques, UMR1240, Université Clermont Auvergne, INSERM, 63000 Clermont-Ferrand, France
| | - Emmanuel Moreau
- Imagerie Moléculaire et Stratégies Théranostiques, UMR1240, Université Clermont Auvergne, INSERM, 63000 Clermont-Ferrand, France
| | - Florent Cachin
- Imagerie Moléculaire et Stratégies Théranostiques, UMR1240, Université Clermont Auvergne, INSERM, 63000 Clermont-Ferrand, France
- Service de Médecine Nucléaire, Centre Jean Perrin, 63000 Clermont-Ferrand, France
| | - Elisabeth Miot-Noirault
- Imagerie Moléculaire et Stratégies Théranostiques, UMR1240, Université Clermont Auvergne, INSERM, 63000 Clermont-Ferrand, France
| | - Emmanuel Chautard
- Imagerie Moléculaire et Stratégies Théranostiques, UMR1240, Université Clermont Auvergne, INSERM, 63000 Clermont-Ferrand, France
- Service de Pathologie, Centre Jean Perrin, 63000 Clermont-Ferrand, France
| | - Caroline Peyrode
- Imagerie Moléculaire et Stratégies Théranostiques, UMR1240, Université Clermont Auvergne, INSERM, 63000 Clermont-Ferrand, France
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Yerramathi BB, Muniraj BA, Kola M, Konidala KK, Arthala PK, Sharma TSK. Alginate biopolymeric structures: Versatile carriers for bioactive compounds in functional foods and nutraceutical formulations: A review. Int J Biol Macromol 2023; 253:127067. [PMID: 37748595 DOI: 10.1016/j.ijbiomac.2023.127067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 09/22/2023] [Accepted: 09/22/2023] [Indexed: 09/27/2023]
Abstract
Alginate-based biopolymer products have gained attention for protecting and delivering bioactive components in nutraceuticals and functional foods. These naturally abundant anionic, unbranched, and linear copolymers are also produced commercially by microorganisms. Alone or in combination with other copolymers, they efficiently transport bioactive molecules in food and nutraceutical products. This review aims to provide an in-depth understanding of alginate-based products and structures, emphasizing their role in delivering functional molecules in various formulations and delivery systems. These include edible coatings/films, gels/emulsions, beads/droplets, microspheres/particles, and engineered nanostructures where alginates have been used potentially. By exploring these applications, readers gain insights into the benefits of these products. Because, alginate-based biopolymer products have shown promise in delivering bioactive compounds like vitamin C, vitamin D3, curcumin, β-carotene, resveratrol, folic acid, gliadins, caffeic acid, betanin, limonoids, quercetin, several polyphenols and essential oils, etc., which are chief contributors to treating specific/overall nutritional and chronic metabolic disorders. So, this review summarizes the potential of alginate-based structures/products in various forms for delivering a wide range of functional food ingredients and nutraceutical components that offer promising perspectives for future investigations.
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Affiliation(s)
- Babu Bhagath Yerramathi
- Food Technology Division, College of Sciences, Sri Venkateswara University, Tirupati 517502, Andhra Pradesh, India
| | - Beulah Annem Muniraj
- Integrated Food Technology, Sri Padmavathi Mahila Visvavidyalayam, Tirupati 517502, Andhra Pradesh, India
| | - Manjula Kola
- Food Technology Division, College of Sciences, Sri Venkateswara University, Tirupati 517502, Andhra Pradesh, India.
| | - Kranthi Kumar Konidala
- Bioinformatics, Department of Zoology, College of Sciences, Sri Venkateswara University, Tirupati 517502, Andhra Pradesh, India
| | - Praveen Kumar Arthala
- Department of Microbiology, Vikrama Simhapuri University, Nellore, Andhra Pradesh, India
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Shahbazi S, Habibi M, Badmasti F, Sabzi S, Farokhi M, Asadi Karam MR. Design and fabrication of a vaccine candidate based on rOmpA from Klebsiella pneumoniae encapsulated in silk fibroin-sodium alginate nanoparticles against pneumonia infection. Int Immunopharmacol 2023; 125:111171. [PMID: 37948863 DOI: 10.1016/j.intimp.2023.111171] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/14/2023] [Accepted: 10/31/2023] [Indexed: 11/12/2023]
Abstract
The present study describes the design and fabrication of a novel vaccine candidate based on the outer membrane protein A (rOmpA) from Klebsiella pneumoniae (K. pneumoniae) encapsulated in silk fibroin-sodium alginate nanoparticles (SF-SANPs) against K. pneumoniae-mediated pneumonia. The physicochemical properties, toxicity, release profile, and in vivo potency of SF-SANPs encapsulated with rOmpA were evaluated. The spherical nano vaccine was created with an average particle size of 160 nm and an encapsulation efficiency of 80 %. Antigen release from SF-SANPs was 40 % after 22 days release assay. The SF-SANPs showed a zeta potential of -24.8 mV and had no toxic effect on the L929 cells in vitro. It was found that SF-SANPs in the vaccine formulation promoted systemic and mucosal antibodies and also stimulated cytokine responses, inducing both humoral (Th2) and cellular (Th1) immune responses, with a Th1-polarized response. The vaccine candidate was effective in protecting the mice lung against experimental pneumonia and reducing inflammation. These findings suggest that the rOmpA-based vaccine encapsulated in SF-SANPs could be a promising strategy for preventing pneumonia caused by K. pneumoniae.
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Affiliation(s)
- Shahla Shahbazi
- Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
| | - Mehri Habibi
- Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
| | - Farzad Badmasti
- Department of Bacteriology, Pasteur Institute of Iran, Tehran, Iran
| | - Samira Sabzi
- Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran.
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16
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Moeinzadeh A, Ashtari B, Garcia H, Koruji M, Velazquez CA, Bagher Z, Barati M, Shabani R, Davachi SM. The Effect of Chitosan/Alginate/Graphene Oxide Nanocomposites on Proliferation of Mouse Spermatogonial Stem Cells. J Funct Biomater 2023; 14:556. [PMID: 38132810 PMCID: PMC10744091 DOI: 10.3390/jfb14120556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 10/30/2023] [Accepted: 11/17/2023] [Indexed: 12/23/2023] Open
Abstract
Male survivors of childhood cancer have been known to be afflicted with azoospermia. To combat this, the isolation and purification of spermatogonial stem cells (SSCs) are crucial. Implementing scaffolds that emulate the extracellular matrix environment is vital for promoting the regeneration and proliferation of SSCs. This research aimed to evaluate the efficiency of nanocomposite scaffolds based on alginate, chitosan, and graphene oxide (GO) in facilitating SSCs proliferation. To analyze the cytotoxicity of the scaffolds, an MTT assay was conducted at 1, 3, and 7 days, and the sample containing 30 µg/mL of GO (ALGCS/GO30) exhibited the most favorable results, indicating its optimal performance. The identity of the cells was confirmed using flow cytometry with C-Kit and GFRα1 markers. The scaffolds were subjected to various analyses to characterize their properties. FTIR was employed to assess the chemical structure, XRD to examine crystallinity, and SEM to visualize the morphology of the scaffolds. To evaluate the proliferation of SSCs, qRT-PCR was used. The study's results demonstrated that the ALGCS/GO30 nanocomposite scaffold exhibited biocompatibility and facilitated the attachment and proliferation of SSCs. Notably, the scaffold displayed a significant increase in proliferation markers compared to the control group, indicating its ability to support SSC growth. The expression level of the PLZF protein was assessed using the Immunocytochemistry method. The observations confirmed the qRT-PCR results, which indicated that the nanocomposite scaffolds had higher levels of PLZF protein expression than scaffolds without GO. The biocompatible ALGCS/GO30 is a promising alternative for promoting SSC proliferation in in vitro applications.
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Affiliation(s)
- Alaa Moeinzadeh
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Behnaz Ashtari
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Heriberto Garcia
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA
| | - Morteza Koruji
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Stem Cell and Regenerative Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Carlo Alberto Velazquez
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA
| | - Zohreh Bagher
- Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
- ENT and Head & Neck Research Center and Department, The Five Senses Institute, Hazrat Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Mahmood Barati
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ronak Shabani
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Reproductive Sciences and Technology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Seyed Mohammad Davachi
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA
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Zhang Y, Hu J, Song X, Dai J, Tang Z, Huang G, Jiao W, Wu Y, Wang C, Du L, Jin Y. The effects of Lactobacillus reuteri microcapsules on radiation-induced brain injury by regulating the gut microenvironment. Food Funct 2023; 14:10041-10051. [PMID: 37843434 DOI: 10.1039/d3fo03008c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
A radiation-induced brain injury (RIBI) is a major adverse event following radiotherapy of malignant tumors. RIBI would affect cognitive function, leading to a series of complications and even death. However, the pathogenesis of RIBI is still unclear, and it still lacks specific therapeutic drugs. The gut-brain bidirectional communication may be mediated by various microbiota and metabolites in the gastrointestinal tract. Probiotics are closely related to physiological health. The theory of the gut-brain axis provides us with a new idea to improve the gut microenvironment by supplementing probiotics against RIBI. Here, Lactobacillus reuteri microcapsules (LMCs) were prepared, which were predominantly irregular spheres with a rough surface under a scanning electron microscope and a narrow size distribution ranging from 20 to 700 μm. The transmission electron microscopy images showed that the structure of microcapsules containing Lactobacillus reuteri (L. reuteri) was a core and shell structure. The survival of L. reuteri in microcapsules was significantly more than that of free L. reuteri in the simulated stomach environment of pH 1.2. 16S rDNA sequencing showed that LMCs observably increased the relative abundance of Lactobacillus in RIBI mice. More importantly, compared with the RIBI model mice, the behavior of RIBI mice treated with LMCs was significantly improved. In addition, LMCs greatly alleviated the pathological damage of the hippocampus and intestines in the mice after irradiation and reduced the level of TNF-α and IL-6 in vivo. Generally, LMCs are a promising oral preparation, which provide new ideas and methods for the treatment of RIBI.
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Affiliation(s)
- Yizhi Zhang
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Jinglu Hu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Pharmaceutical College of Henan University, Kaifeng 475004, China
| | - Xingshuang Song
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Jing Dai
- Information Department, General Hospital of Western Zone, Chengdu 610083, China
| | - Ziyan Tang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Guiyu Huang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Pharmaceutical College of Henan University, Kaifeng 475004, China
| | - Wencheng Jiao
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Hebei University, Baoding 071000, China
| | - Yanping Wu
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Chenyun Wang
- The Fourth Clinical Center Affiliated to Chinese PLA General Hospital, Beijing 100048, China
| | - Lina Du
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Pharmaceutical College of Henan University, Kaifeng 475004, China
- Hebei University, Baoding 071000, China
| | - Yiguang Jin
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Pharmaceutical College of Henan University, Kaifeng 475004, China
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Eka Rani YD, Rahmadi M, Hariyadi DM. Characteristics and release of isoniazid from inhalable alginate/carrageenan microspheres. Ther Deliv 2023; 14:689-704. [PMID: 38084393 DOI: 10.4155/tde-2023-0064] [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: 12/18/2023] Open
Abstract
Aim: Inhalable microspheres made of polymers as a targeted drug delivery system have been developed to overcome the limitation of current treatments in Tuberculosis. Materials & methods: Isoniazid inhalable microspheres were created using a gelation ionotropic method with sodium alginate, carrageenan and calcium chloride in four different formulations. Result: The particle morphology has smooth surfaces and round spherical shapes with sizes below 5 μm; good flowability. The drug loading and entrapment efficiency values ranged from 1.69 to 2.75% and 62.44 to 85.30%, respectively. The microspheres drug release followed the Korsmeyer-Peppas model, indicating Fickian diffusion. Conclusion: Isoniazid inhalable microspheres achieved as targeted lung delivery for tuberculosis treatment.
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Affiliation(s)
- Yotomi Desia Eka Rani
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Universitas Airlangga, Campus C Mulyorejo, Surabaya, 60115, Indonesia
| | - Mahardian Rahmadi
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Campus C Jl. Mulyorejo, Surabaya, 60115, Indonesia
| | - Dewi Melani Hariyadi
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Universitas Airlangga, Campus C Mulyorejo, Surabaya, 60115, Indonesia
- Nanotechnology & Drug Delivery System Research Group, Faculty of Pharmacy, Universitas Airlangga, Campus C Mulyorejo, Surabaya, 60115, Indonesia
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Wani SUD, Ali M, Mehdi S, Masoodi MH, Zargar MI, Shakeel F. A review on chitosan and alginate-based microcapsules: Mechanism and applications in drug delivery systems. Int J Biol Macromol 2023; 248:125875. [PMID: 37473899 DOI: 10.1016/j.ijbiomac.2023.125875] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 07/14/2023] [Accepted: 07/16/2023] [Indexed: 07/22/2023]
Abstract
Natural polymers, like chitosan and alginate have potential of appearance, as well as the changes and handling necessary to make it acceptable vehicle for the controlled release of medicines and biomolecules. Microcapsules are characterized as micrometer-sized particulate that can be employed to store chemicals within them. In the present review, we have discussed various advantages, components of microcapsules, release mechanisms, preparation methods, and their applications in drug delivery systems. The preparation methods exhibited strong encapsulation effectiveness and may be used in a wide range of pharmaceutical and biomedical applications. The major advantages of using the microencapsulation technique are, sustained and controlled delivery of drugs, drug targeting, improvement of shelf life, stabilization, immobilization of enzymes and microorganisms. As new biomaterials are developed for the body, they are better suited to the development of pharmaceutical systems than traditional pharmaceuticals because they are more reliable, biocompatible, biodegradable, and nontoxic. Furthermore, the designed microcapsules had been capable of shielding the essential components from hostile environments. More advanced techniques could be developed in the future to facilitate the formulation and applications of microcapsules and working with the pharmaceutical and medical industries.
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Affiliation(s)
- Shahid Ud Din Wani
- Department of Pharmaceutical Sciences, School of Applied Sciences and Technology, University of Kashmir, Srinagar 190006, India.
| | - Mohammad Ali
- Department of Pharmacy Practice, East Point College of Pharmacy, Bangalore 560027, India
| | - Seema Mehdi
- Department of Pharmacology, JSSCollege of Pharmacy, Mysuru 570015, India
| | - Mubashir Hussain Masoodi
- Department of Pharmaceutical Sciences, School of Applied Sciences and Technology, University of Kashmir, Srinagar 190006, India
| | - Mohammed Iqbal Zargar
- Department of Pharmaceutical Sciences, School of Applied Sciences and Technology, University of Kashmir, Srinagar 190006, India
| | - Faiyaz Shakeel
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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Li H, Dai W, Xiao L, Sun L, He L. Biopolymer-Based Nanosystems: Potential Novel Carriers for Kidney Drug Delivery. Pharmaceutics 2023; 15:2150. [PMID: 37631364 PMCID: PMC10459991 DOI: 10.3390/pharmaceutics15082150] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023] Open
Abstract
Kidney disease has become a serious public health problem throughout the world, and its treatment and management constitute a huge global economic burden. Currently, the main clinical treatments are not sufficient to cure kidney diseases. During its development, nanotechnology has shown unprecedented potential for application to kidney diseases. However, nanotechnology has disadvantages such as high cost and poor bioavailability. In contrast, biopolymers are not only widely available but also highly bioavailable. Therefore, biopolymer-based nanosystems offer new promising solutions for the treatment of kidney diseases. This paper reviews the biopolymer-based nanosystems that have been used for renal diseases and describes strategies for the specific, targeted delivery of drugs to the kidney as well as the physicochemical properties of the nanoparticles that affect the targeting success.
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Affiliation(s)
| | | | | | | | - Liyu He
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha 410011, China; (H.L.)
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21
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Reig-Vano B, Huck-Iriart C, de la Flor S, Trojanowska A, Tylkowski B, Giamberini M. Structural and mechanical analysis on mannuronate-rich alginate gels and xerogels beads based on Calcium, Copper and Zinc as crosslinkers. Int J Biol Macromol 2023; 246:125659. [PMID: 37406917 DOI: 10.1016/j.ijbiomac.2023.125659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/22/2023] [Accepted: 06/30/2023] [Indexed: 07/07/2023]
Abstract
Beads based on a mannuronate(M)-rich alginate (86 % M units) were prepared by adding the polysaccharide solution to a crosslinking bath containing different concentrations (0.5, 2 and 10 wt%) of XCl2 where X = Ca, Cu or Zn. Primarily focus was on Zn, due to its antioxidant, anti-inflammatory and anti-microbial capabilities. The beads were characterized by Field-Emission Scanning Electron Microscopy (FESEM), Fourier-Transform Infra-Red spectroscopy (FT-IR), Thermogravimetric Analysis (TGA), Small-Angle X-ray Scattering (SAXS) and compression tests. The crosslinking agent significantly influenced the properties of the resulting beads. Specifically, Ca-based beads exhibited a smoother surface, while Cu- and Zn-based beads appeared rougher. Interestingly, Zn-based beads displayed a core-shell structure. Young moduli ranged from 3500 and 7000 MPa, with the highest values observed for Zn-beads. SAXS investigation at 0.5 wt% XCl2 suggested increase in the densely packed domains amount in the order: Ca < Cu < Zn. Extended X-ray Absorption Fine Structure (EXAFS) showed that the coordination number was 4.3 ± 0.4 for Cu, and 4.0 ± 0.2 and 1.1 ± 0.1 for Zn in 0.5 wt% XCl2 alginate xerogels, in agreement with reported Density Functional Calculations on Cu2+- and Zn2+-MM complexes. The results from FT-IR, compositional analysis and EXAFS collectively suggested a bridging coordination for these systems.
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Affiliation(s)
- Belen Reig-Vano
- Department of Chemical Engineering, Universitat Rovira I Virgili, Av. Països Catalans, 26, 43007 Tarragona, Spain
| | - Cristian Huck-Iriart
- ALBA SYNCHROTRON LIGHT SOURCE, Carrer de la Llum 2-26, 08290 Cerdanyola del Vallès, Barcelona, Spain
| | - Silvia de la Flor
- Department of Mechanical Engineering, Universitat Rovira I Virgili, Av. Països Catalans, 26, 43007 Tarragona, Spain
| | - Anna Trojanowska
- Department of Chemical Engineering, Universitat Rovira I Virgili, Av. Països Catalans, 26, 43007 Tarragona, Spain
| | - Bartosz Tylkowski
- Eurecat, Centre Tecnològic de Catalunya, Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Marta Giamberini
- Department of Chemical Engineering, Universitat Rovira I Virgili, Av. Països Catalans, 26, 43007 Tarragona, Spain.
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22
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Bal Y, Sürmeli Y, Şanlı-Mohamed G. Antiproliferative and Apoptotic Effects of Olive Leaf Extract Microcapsules on MCF-7 and A549 Cancer Cells. ACS OMEGA 2023; 8:28984-28993. [PMID: 37599941 PMCID: PMC10433482 DOI: 10.1021/acsomega.3c01493] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 07/18/2023] [Indexed: 08/22/2023]
Abstract
Alginate microcapsules are a talented means for the delivery of broad curative biomacromolecules. In this study, we immobilized olive leaf extract (OLE) by calcium alginate (CA) and chitosan-coated CA (CCA) and characterized the OLE-loaded CA and CCA. The cytotoxic effect, the cell cycle arrest, and the apoptotic effect of OLE and its microcapsules were investigated against breast adenocarcinoma (MCF-7) and lung carcinoma (A549). As a result, the loading capacity of OLE-CA and OLE-CCA was found to be 80 and 99%, respectively, in optimal conditions. Also, OLE-CA and OLE-CCA were characterized by unique FTIR peaks and morphological display relative to the empty CCA microcapsules. The cytotoxicity analysis showed that the IC50 values of OLE-CA and OLE-CCA were determined to be 312 and 0.94 μg mL-1 against A549, respectively, whereas these were found to be 865.4 and 425.5 μg mL-1 for MCF-7 cells. On the other hand, the OLE microcapsules did not possess in any concentration of cytotoxic influence on the BEAS 2B healthy cell line. Also, the exposure of OLE-CCA to MCF-7 and A549 resulted in the arrest of more MCF-7 and A549 cells at the G0/G1 phase compared to the OLE. A549 and MCF-7 cells were predominantly found in the late apoptosis phase and necrosis phase, respectively. Optical microscopy images confirmed that OLE microcapsules were more effective against MCF-7 and A549 than free OLE. The present work suggested that the OLE microcapsules might be administered as nutrition supplements for cancer therapy.
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Affiliation(s)
- Yıldız Bal
- Department
of Biotechnology and Bioengineering, İzmir
Institute of Technology, 35430 İzmir, Turkey
| | - Yusuf Sürmeli
- Department
of Biotechnology and Bioengineering, İzmir
Institute of Technology, 35430 İzmir, Turkey
- Department
of Agricultural Biotechnology, Tekirdağ
Namık Kemal University, 59030 Tekirdağ, Turkey
| | - Gülşah Şanlı-Mohamed
- Department
of Biotechnology and Bioengineering, İzmir
Institute of Technology, 35430 İzmir, Turkey
- Department
of Chemistry, İzmir Institute of
Technology, 35430 İzmir, Turkey
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23
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Gu Y, Hu Y, Huang S, Ruiz S, Kawai T, Bai Y, Han X. CpG ODN/Mangiferin Dual Delivery through Calcium Alginate Hydrogels Inhibits Immune-Mediated Osteoclastogenesis and Promotes Alveolar Bone Regeneration in Mice. BIOLOGY 2023; 12:976. [PMID: 37508406 PMCID: PMC10376397 DOI: 10.3390/biology12070976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/08/2023] [Accepted: 07/04/2023] [Indexed: 07/30/2023]
Abstract
The immune system plays an important role in the skeletal system during bone repair and regeneration. The controlled release of biological factors from the immune system could facilitate and optimize the bone remodeling process through the regulation of the activities of bone cells. This study aimed to determine the effect of the controlled delivery of immunomodulatory biologicals on bone regeneration. Immunostimulatory cytosine-phosphate-guanosine oligodeoxynucleotides (CpG ODN) and glucosylxanthone Mangiferin (MAG)-embedded microbeads were incubated with P. gingivalis-challenged splenocytes, or co-cultured with RAW264.7 cells. The effect of CpG ODN/MAG-containing microbeads on bone regeneration was then tested in vivo in a mouse alveolar bone defect model. The results demonstrated that MAG significantly antagonized P. gingivalis proliferation and reduced the live/dead cell ratio. After the addition of CpG ODN + MAG microbeads, anti-inflammatory cytokines IL-10 and IL-4 were upregulated on day 2 but not day 4, whereas pro-inflammatory cytokine IL-1β responses showed no difference at both timepoints. RANKL production by splenocytes and TRAP+ cell formation of RAW264.7 cells were inhibited by the addition of CpG ODN + MAG microbeads. Alveolar bony defects, filled with CpG ODN + MAG microbeads, showed significantly increased new bone after 4 weeks. In summary, this study evaluated a new hydrogel-based regimen for the local delivery and controlled release of biologicals to repair and regenerate alveolar bony defects. The combined CpG ODN + MAG treatment may promote alveolar bone regeneration through the anti-microbial/anti-inflammatory effects and the inhibition of RANKL-mediated osteoclastogenesis.
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Affiliation(s)
- Yingzhi Gu
- Department of Immunology and Infectious Diseases, The Forsyth Institute, 245 First Street, Cambridge, MA 02142, USA
- Department of Orthodontics, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
| | - Yang Hu
- Department of Immunology and Infectious Diseases, The Forsyth Institute, 245 First Street, Cambridge, MA 02142, USA
| | - Shengyuan Huang
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL 33314, USA
- Department of Stomatology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
| | - Sunniva Ruiz
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL 33314, USA
| | - Toshihisa Kawai
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL 33314, USA
| | - Yuxing Bai
- Department of Orthodontics, Beijing Stomatological Hospital, Capital Medical University, Beijing 100050, China
| | - Xiaozhe Han
- Department of Immunology and Infectious Diseases, The Forsyth Institute, 245 First Street, Cambridge, MA 02142, USA
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL 33314, USA
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24
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Swastha D, Varsha N, Aravind S, Samyuktha KB, Yokesh MM, Balde A, Ayilya BL, Benjakul S, Kim SK, Nazeer RA. Alginate-based drug carrier systems to target inflammatory bowel disease: A review. Int J Biol Macromol 2023:125472. [PMID: 37336375 DOI: 10.1016/j.ijbiomac.2023.125472] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 06/06/2023] [Accepted: 06/16/2023] [Indexed: 06/21/2023]
Abstract
Inflammatory bowel disease (IBD) is an inflammatory disorder that affects the gastrointestinal tract. IBD has become an increasingly common condition in both developed and developing nations over the last few decades, owing to a variety of factors like a rising population and diets packed with processed and junk foods. While the root pathophysiology of IBD is unknown, treatments are focused on medications aimed to mitigate symptoms. Alginate (AG), a marine-derived polysaccharide, is extensively studied for its biocompatibility, pH sensitivity, and crosslinking nature. This polymer is thoroughly researched in drug delivery systems for IBD treatment, as it is naturally available, non-toxic, cost effective, and can be easily and safely cross-linked with other polymers to form an interconnected network, which helps in controlling the release of drugs over an extended period. There are various types of drug delivery systems developed from AG to deliver therapeutic agents; among them, nanotechnology-based systems and hydrogels are popular due to their ability to facilitate targeted drug delivery, reduce dosage, and increase the therapeutic efficiency. AG-based carrier systems are not only used for the sustained release of drug, but also used in the delivery of siRNA, interleukins, and stem cells for site directed drug delivery and tissue regenerating ability respectively. This review is focussed on pathogenesis and currently studied medications for IBD, AG-based drug delivery systems and their properties for the alleviation of IBD. Moreover, future challenges are also be discoursed to improve the research of AG in the field of biopharmaceuticals and drug delivery.
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Affiliation(s)
- Dinakar Swastha
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRMInstitute of Science and Technology, Kattankulathur, Chennai, 603203, Tamilnadu, India
| | - Nambolan Varsha
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRMInstitute of Science and Technology, Kattankulathur, Chennai, 603203, Tamilnadu, India
| | - Suresh Aravind
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRMInstitute of Science and Technology, Kattankulathur, Chennai, 603203, Tamilnadu, India
| | - Kavassery Balasubramanian Samyuktha
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRMInstitute of Science and Technology, Kattankulathur, Chennai, 603203, Tamilnadu, India
| | - Muruganandam Mohaneswari Yokesh
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRMInstitute of Science and Technology, Kattankulathur, Chennai, 603203, Tamilnadu, India
| | - Akshad Balde
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRMInstitute of Science and Technology, Kattankulathur, Chennai, 603203, Tamilnadu, India
| | - Bakthavatchalam Loganathan Ayilya
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRMInstitute of Science and Technology, Kattankulathur, Chennai, 603203, Tamilnadu, India
| | - Soottawat Benjakul
- Department of Food Technology, Faculty of Agro-Industry, Prince of Songkhla University, 90112 Hat Yai, Songkhla, Thailand
| | - Se-Kwon Kim
- Department of Marine Science and Convergence Engineering, Hanyang University, Ansan, 11558, Gyeonggi-do, South Korea
| | - Rasool Abdul Nazeer
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRMInstitute of Science and Technology, Kattankulathur, Chennai, 603203, Tamilnadu, India.
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25
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Dos Santos KS, Oliveira LT, de Lima Fontes M, Migliato KF, Fusco-Almeida AM, Mendes Giannini MJS, Moroz A. Alginate-Based 3D A549 Cell Culture Model to Study Paracoccidioides Infection. J Fungi (Basel) 2023; 9:634. [PMID: 37367570 DOI: 10.3390/jof9060634] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 06/28/2023] Open
Abstract
A three-dimensional (3D) lung aggregate model based on sodium alginate scaffolds was developed to study the interactions between Paracoccidioides brasiliensis (Pb) and lung epithelial cells. The suitability of the 3D aggregate as an infection model was examined using cell viability (cytotoxicity), metabolic activity, and proliferation assays. Several studies exemplify the similarity between 3D cell cultures and living organisms, which can generate complementary data due to the greater complexity observed in these designed models, compared to 2D cell cultures. A 3D cell culture system of human A549 lung cell line plus sodium alginate was used to create the scaffolds that were infected with Pb18. Our results showed low cytotoxicity, evidence of increased cell density (indicative of cell proliferation), and the maintenance of cell viability for seven days. The confocal analysis revealed viable yeast within the 3D scaffold, as demonstrated in the solid BHI Agar medium cultivation. Moreover, when ECM proteins were added to the alginate scaffolds, the number of retrieved fungi was significantly higher. Our results highlight that this 3D model may be promising for in vitro studies of host-pathogen interactions.
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Affiliation(s)
- Kelvin Sousa Dos Santos
- Department of Clinical Analyses, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 85040-167, São Paulo, Brazil
| | - Lariane Teodoro Oliveira
- Department of Clinical Analyses, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 85040-167, São Paulo, Brazil
| | - Marina de Lima Fontes
- Department of Clinical Analyses, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 85040-167, São Paulo, Brazil
| | | | - Ana Marisa Fusco-Almeida
- Department of Clinical Analyses, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 85040-167, São Paulo, Brazil
| | - Maria José Soares Mendes Giannini
- Department of Clinical Analyses, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 85040-167, São Paulo, Brazil
| | - Andrei Moroz
- Department of Clinical Analyses, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 85040-167, São Paulo, Brazil
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26
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Xiang D, Zhou E, Wang M, Wang K, Zhou S, Ma Q, Zhong Z, Ye Q, Chen Y, Fan X, Wang Y. Artificial ovaries constructed from biodegradable chitin-based hydrogels with the ability to restore ovarian endocrine function and alleviate osteoporosis in ovariectomized mice. Reprod Biol Endocrinol 2023; 21:49. [PMID: 37208699 DOI: 10.1186/s12958-023-01092-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 04/11/2023] [Indexed: 05/21/2023] Open
Abstract
BACKGROUND Artificial ovary (AO) is an alternative approach to provide physiological hormone to post-menopausal women. The therapeutic effects of AO constructed using alginate (ALG) hydrogels are limited by their low angiogenic potential, rigidity, and non-degradability. To address these limitations, biodegradable chitin-based (CTP) hydrogels that promote cell proliferation and vascularization were synthesized, as supportive matrix. METHODS In vitro, follicles isolated from 10-12-days-old mice were cultured in 2D, ALG hydrogels, and CTP hydrogels. After 12 days of culture, follicle growth, steroid hormone levels, oocyte meiotic competence, and expression of folliculogenesis-related genes were monitored. Additionally, follicles isolated from 10-12-days-old mice were encapsulated in CTP and ALG hydrogels and transplanted into the peritoneal pockets of ovariectomised (OVX) mice. After transplantation, steroid hormone levels, body weight, rectal temperature, and visceral fat of the mice were monitored every two weeks. At 6 and 10 weeks after transplantation, the uterus, vagina, and femur were collected for histological examination. RESULTS The follicles developed normally in CTP hydrogels under in vitro culture conditions. Additionally, follicular diametre and survival rate, oestrogen production, and expression of folliculogenesis-related genes were significantly higher than those in ALG hydrogels. After one week of transplantation, the numbers of CD34-positive vessels and Ki-67-positive cells in CTP hydrogels were significantly higher than those in ALG hydrogels (P < 0.05), and the follicle recovery rate was significantly higher in CTP hydrogels (28%) than in ALG hydrogels (17.2%) (P < 0.05). After two weeks of transplantation, OVX mice implanted with CTP grafts exhibited normal steroid hormone levels, which were maintained until week eight. After 10 weeks of transplantation, CTP grafts effectively ameliorated bone loss and atrophy of the reproductive organs, as well as prevented the increase in body weight and rectal temperature in OVX mice, which were superior to those elicited by ALG grafts. CONCLUSIONS Our study is the first to demonstrate that CTP hydrogels support follicles longer than ALG hydrogels in vitro and in vivo. The results highlight the clinical potential of AO constructed using CTP hydrogels in the treatment of menopausal symptoms.
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Affiliation(s)
- Du Xiang
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University , Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, 430071, China
| | - Encheng Zhou
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University , Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, 430071, China
| | - Mei Wang
- Center for Reproductive Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Kan Wang
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Shujun Zhou
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University , Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, 430071, China
| | - Qing Ma
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University , Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, 430071, China
| | - Zibiao Zhong
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University , Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, 430071, China
| | - Qifa Ye
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University , Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, 430071, China
| | - Yun Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Diseases, TaiKang Medical School (School of Basic Medical Sciences), Wuhan, 430071, China
| | - Xiaoli Fan
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University , Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, 430071, China.
| | - Yanfeng Wang
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University , Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, 430071, China.
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27
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Fu Z, Zhang Y, Geng X, Chi K, Liu C, Song C, Cai G, Chen X, Hong Q. Optimization strategies of mesenchymal stem cell-based therapy for acute kidney injury. Stem Cell Res Ther 2023; 14:116. [PMID: 37122024 PMCID: PMC10150535 DOI: 10.1186/s13287-023-03351-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 04/20/2023] [Indexed: 05/02/2023] Open
Abstract
Considering the high prevalence and the lack of targeted pharmacological management of acute kidney injury (AKI), the search for new therapeutic approaches for it is in urgent demand. Mesenchymal stem cells (MSCs) have been increasingly recognized as a promising candidate for the treatment of AKI. However, clinical translation of MSCs-based therapies is hindered due to the poor retention and survival rates as well as the impaired paracrine ability of MSCs post-delivery. To address these issues, a series of strategies including local administration, three-dimensional culture, and preconditioning have been applied. Owing to the emergence and development of these novel biotechnologies, the effectiveness of MSCs in experimental AKI models is greatly improved. Here, we summarize the different approaches suggested to optimize the efficacy of MSCs therapy, aiming at promoting the therapeutic effects of MSCs on AKI patients.
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Affiliation(s)
- Zhangning Fu
- Medical School of Chinese PLA, Beijing, China
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese PLA, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Yifan Zhang
- Medical School of Chinese PLA, Beijing, China
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese PLA, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Xiaodong Geng
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese PLA, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
- Beidaihe Rehabilitation and Recuperation Center, Chinese People's Liberation Army Joint Logistics Support Force, Qinhuangdao, China
| | - Kun Chi
- Medical School of Chinese PLA, Beijing, China
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese PLA, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Chao Liu
- Department of Critical Care Medicine, First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Chengcheng Song
- Department of Nephrology, Beijing Electric Power Hospital, Beijing, China
| | - Guangyan Cai
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese PLA, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Xiangmei Chen
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese PLA, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Quan Hong
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese PLA, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China.
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28
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Yang C, Zhang Z, Gan L, Zhang L, Yang L, Wu P. Application of Biomedical Microspheres in Wound Healing. Int J Mol Sci 2023; 24:7319. [PMID: 37108482 PMCID: PMC10138683 DOI: 10.3390/ijms24087319] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
Tissue injury, one of the most common traumatic injuries in daily life, easily leads to secondary wound infections. To promote wound healing and reduce scarring, various kinds of wound dressings, such as gauze, bandages, sponges, patches, and microspheres, have been developed for wound healing. Among them, microsphere-based tissue dressings have attracted increasing attention due to the advantage of easy to fabricate, excellent physicochemical performance and superior drug release ability. In this review, we first introduced the common methods for microspheres preparation, such as emulsification-solvent method, electrospray method, microfluidic technology as well as phase separation methods. Next, we summarized the common biomaterials for the fabrication of the microspheres including natural polymers and synthetic polymers. Then, we presented the application of the various microspheres from different processing methods in wound healing and other applications. Finally, we analyzed the limitations and discussed the future development direction of microspheres in the future.
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Affiliation(s)
- Caihong Yang
- State Key Laboratory of Targeting Oncology, National Center for International Research of Bio-Targeting Theranostics, Guangxi Key Laboratory of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning 530021, China
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
- School of Pharmacy, Guangxi Medical University, Nanning 530021, China
| | - Zhikun Zhang
- State Key Laboratory of Targeting Oncology, National Center for International Research of Bio-Targeting Theranostics, Guangxi Key Laboratory of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning 530021, China
| | - Lu Gan
- State Key Laboratory of Targeting Oncology, National Center for International Research of Bio-Targeting Theranostics, Guangxi Key Laboratory of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning 530021, China
| | - Lexiang Zhang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
| | - Lei Yang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
| | - Pan Wu
- State Key Laboratory of Targeting Oncology, National Center for International Research of Bio-Targeting Theranostics, Guangxi Key Laboratory of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning 530021, China
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29
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Vieira WT, da Silva MGC, de Oliveira Nascimento L, Vieira MGA. k-Carrageenan/sericin-based multiparticulate systems: A novel gastro-resistant polymer matrix for indomethacin delivery. Int J Biol Macromol 2023; 232:123381. [PMID: 36731703 DOI: 10.1016/j.ijbiomac.2023.123381] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 02/01/2023]
Abstract
This study aimed to develop a natural and multiparticulate carrier of k-carrageenan (k-Car) and sericin (Ser) for encapsulation of indomethacin (IND) in order to minimize gastrointestinal effects caused by immediate-release. Increasing the amount of IND in the formulations subtly reduced the entrapment efficiency (EE) and drug loading (DL) due to matrix saturation. Sericin was essential to improve EE and DL when compared to pure k-Car (EE > 90 % and DL > 47 %) with suitable particle sizes (1.3461 ± 0.1891-1.7213 ± 0.1586 mm). The incorporation and integrity of IND in the particles were confirmed by analytical techniques of HPLC, XRD, FTIR, and SEM. Additionally, the k-Car/Ser matrix was pH-responsive with low IND release at pH 1.2 and extended-release at pH 6.8. The Weibull model had an adequate fit to the experimental data with R2aju 0.950.99 and AIC 82.4-24.9, with curves in parabolic profile (b < 1) and indicative of a controlled drug-release mechanism by diffusion. Besides, k-Car/Ser/IND and placebo were not cytotoxic (cell viability > 85 % at 150-600 μM) for the Caco-2 cell line. Therefore, the polymeric matrix is gastro-resistant, stable, and biocompatible to carry indomethacin and deliver it to the intestinal environment.
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Affiliation(s)
- Wedja Timóteo Vieira
- University of Campinas, School of Chemical Engineering, Av. Albert Einstein, 500, Cidade Universitária "Zeferino Vaz", Campinas, SP 13083-852, Brazil
| | - Meuris Gurgel Carlos da Silva
- University of Campinas, School of Chemical Engineering, Av. Albert Einstein, 500, Cidade Universitária "Zeferino Vaz", Campinas, SP 13083-852, Brazil
| | - Laura de Oliveira Nascimento
- University of Campinas, School of Pharmaceutical Sciences, Rua Cândido Portinari, 200, Cidade Universitária "Zeferino Vaz", Campinas, SP 13083-871, Brazil
| | - Melissa Gurgel Adeodato Vieira
- University of Campinas, School of Chemical Engineering, Av. Albert Einstein, 500, Cidade Universitária "Zeferino Vaz", Campinas, SP 13083-852, Brazil.
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30
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Shan S, Li Q, Criswell T, Atala A, Zhang Y. Stem cell therapy combined with controlled release of growth factors for the treatment of sphincter dysfunction. Cell Biosci 2023; 13:56. [PMID: 36927578 PMCID: PMC10018873 DOI: 10.1186/s13578-023-01009-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 03/06/2023] [Indexed: 03/18/2023] Open
Abstract
Sphincter dysfunction often occurs at the end of tubule organs such as the urethra, anus, or gastroesophageal sphincters. It is the primary consequence of neuromuscular impairment caused by trauma, inflammation, and aging. Despite intensive efforts to recover sphincter function, pharmacological treatments have not achieved significant improvement. Cell- or growth factor-based therapy is a promising approach for neuromuscular regeneration and the recovery of sphincter function. However, a decrease in cell retention and viability, or the short half-life and rapid degradation of growth factors after implantation, remain obstacles to the translation of these therapies to the clinic. Natural biomaterials provide unique tools for controlled growth factor delivery, which leads to better outcomes for sphincter function recovery in vivo when stem cells and growth factors are co-administrated, in comparison to the delivery of single therapies. In this review, we discuss the role of stem cells combined with the controlled release of growth factors, the methods used for delivery, their potential therapeutic role in neuromuscular repair, and the outcomes of preclinical studies using combination therapy, with the hope of providing new therapeutic strategies to treat incontinence or sphincter dysfunction of the urethra, anus, or gastroesophageal tissues, respectively.
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Affiliation(s)
- Shengzhou Shan
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Qingfeng Li
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.
| | - Tracy Criswell
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Anthony Atala
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Yuanyuan Zhang
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA.
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31
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Recent progressions in biomedical and pharmaceutical applications of chitosan nanoparticles: A comprehensive review. Int J Biol Macromol 2023; 231:123354. [PMID: 36681228 DOI: 10.1016/j.ijbiomac.2023.123354] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/05/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023]
Abstract
Nowadays, the most common approaches in the prognosis, diagnosis, and treatment of diseases are along with undeniable limitations. Thus, the ever-increasing need for using biocompatible natural materials and novel practical modalities is required. Applying biomaterials, such as chitosan nanoparticles (CS NPs: FDA-approved long-chain polymer of N-acetyl-glucosamine and D-glucosamine for some pharmaceutical applications), can serve as an appropriate alternative to overcome these limitations. Recently, the biomedical applications of CS NPs have extensively been investigated. These NPs and their derivatives can not only prepare through different physical and chemical approaches but also modify with various molecules and bioactive materials. The potential properties of CS NPs, such as biocompatibility, biodegradability, serum stability, solubility, non-immunogenicity, anti-inflammatory properties, appropriate pharmacokinetics and pharmacodynamics, and so forth, have made them excellent candidates for biomedical applications. Therefore, CS NPs have efficiently applied for various biomedical applications, like regenerative medicine and tissue engineering, biosensors for the detection of microorganisms, and drug delivery systems (DDS) for the suppression of diseases. These NPs possess a high level of biosafety. In summary, CS NPs have the potential ability for biomedical and clinical applications, and it would be remarkably beneficial to develop new generations of CS-based material for the future of medicine.
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Lagneau N, Tournier P, Nativel F, Maugars Y, Guicheux J, Le Visage C, Delplace V. Harnessing cell-material interactions to control stem cell secretion for osteoarthritis treatment. Biomaterials 2023; 296:122091. [PMID: 36947892 DOI: 10.1016/j.biomaterials.2023.122091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 03/08/2023] [Accepted: 03/12/2023] [Indexed: 03/16/2023]
Abstract
Osteoarthritis (OA) is the most common debilitating joint disease, yet there is no curative treatment for OA to date. Delivering mesenchymal stromal cells (MSCs) as therapeutic cells to mitigate the inflammatory symptoms associated with OA is attracting increasing attention. In principle, MSCs could respond to the pro-inflammatory microenvironment of an OA joint by the secretion of anti-inflammatory, anti-apoptotic, immunomodulatory and pro-regenerative factors, therefore limiting pain, as well as the disease development. However, the microenvironment of MSCs is known to greatly affect their survival and bioactivity, and using tailored biomaterial scaffolds could be key to the success of intra-articular MSC-based therapies. The aim of this review is to identify and discuss essential characteristics of biomaterial scaffolds to best promote MSC secretory functions in the context of OA. First, a brief introduction to the OA physiopathology is provided, followed by an overview of the MSC secretory functions, as well as the current limitations of MSC-based therapy. Then, we review the current knowledge on the effects of cell-material interactions on MSC secretion. These considerations allow us to define rational guidelines for next-generation biomaterial design to improve the MSC-based therapy of OA.
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Affiliation(s)
- Nathan Lagneau
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, France
| | - Pierre Tournier
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, France
| | - Fabien Nativel
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, France; Nantes Université, UFR Sciences Biologiques et Pharmaceutiques, Nantes, F-44035, France
| | - Yves Maugars
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, France
| | - Jérôme Guicheux
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, France.
| | - Catherine Le Visage
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, France
| | - Vianney Delplace
- Nantes Université, Oniris, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, France
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Stadolnikova PY, Tikhonov BB, Prutenskaya EA, Sidorov AI, Sulman MG. Immobilization of Glucose Oxidase on Sodium Alginate Microspheres. APPL BIOCHEM MICRO+ 2023. [DOI: 10.1134/s000368382301012x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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Long T, Tan W, Tian X, Tang Z, Hu K, Ge L, Mu C, Li X, Xu Y, Zhao L, Li D. Gelatin/alginate-based microspheres with sphere-in-capsule structure for spatiotemporal manipulative drug release in gastrointestinal tract. Int J Biol Macromol 2023; 226:485-495. [PMID: 36521695 DOI: 10.1016/j.ijbiomac.2022.12.040] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/24/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022]
Abstract
Microsphere with sphere-in-capsule structure is a multi-drugs delivery system to achieve the purpose of combination therapy. In this paper, we have prepared gelatin/alginate-based microspheres with sphere-in-capsule structure by a relatively fast, simple, and easily large-scale industrialized emulsification method for spatiotemporal manipulative drug release in gastrointestinal tract. Calcium alginate microspheres encapsulated with bovine serum albumin (BSA) were first prepared as inner microspheres, and then inner microspheres and ranitidine hydrochloride (RH) were co-encapsulated by gelatin microspheres to form double-layer microspheres with sphere-in-capsule structure. The size and distribution of microspheres can be easily controlled by emulsifying conditions. The microspheres with sphere-in-capsule structure displayed desirable encapsulation efficiency of BSA (61.52 %) and RH (56.07 %). The in vitro simulated drug release showed the spatiotemporal release feature of microspheres with sphere-in-capsule structure. In the specific simulated fluid, the release behavior and cumulative release of RH (sustainedly released 95 % in simulated gastric fluid) and BSA (rapidly released 73 % in simulated intestinal fluid) were different. The drug release mechanisms were analyzed to determine RH and BSA's release behavior. Overall, the microspheres with sphere-in-capsule structure have the potential application of spatiotemporal manipulative drug delivery in the gastrointestinal tract.
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Affiliation(s)
- Tao Long
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Weiwei Tan
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Xiangmin Tian
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Zongjian Tang
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Keming Hu
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Liming Ge
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Changdao Mu
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Xinying Li
- College of Chemistry and Environment Protection Engineering, Southwest Minzu University, Chengdu 610041, Sichuan, China
| | - Yongbin Xu
- School of Life Science and Technology, Inner Mongolia University of Science and Technology, Baotou 014010, PR China
| | - Lei Zhao
- Department of Periodontics, West China Hospital of Stomatology, Sichuan University, 610041, PR China.
| | - Defu Li
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China.
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Nezamdoost-Sani N, Khaledabad MA, Amiri S, Mousavi Khaneghah A. Alginate and derivatives hydrogels in encapsulation of probiotic bacteria: An updated review. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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36
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Advances in Algin and Alginate-Hybrid Materials for Drug Delivery and Tissue Engineering. Mar Drugs 2022; 21:md21010014. [PMID: 36662187 PMCID: PMC9861007 DOI: 10.3390/md21010014] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 12/23/2022] [Accepted: 12/23/2022] [Indexed: 12/28/2022] Open
Abstract
In this review, we aim to provide a summary of recent research advancements and applications of algin (i.e., alginic acid) and alginate-hybrid materials (AHMs) in medical fields. Algin/alginate are abundant natural products that are chemically inert and biocompatible, and they have superior gelation properties, good mechanical strengths, and biodegradability. The AHMs have been widely applied in wound dressing, cell culture, tissue engineering, and drug delivery. However, medical applications in different fields require different properties in the AHMs. The drug delivery application requires AHMs to provide optimal drug loading, controlled and targeted drug-releasing, and/or visually guided drug delivery. AHMs for wound dressing application need to have improved mechanical properties, hydrophilicity, cell adhesion, and antibacterial properties. AHMs for tissue engineering need improved mechanical properties that match the target organs, superior cell affinity, and cell loading capacity. Various methods to produce AHMs that meet different needs were summarized. Formulations to form AHMs with improved stability, drug/cell-loading capacity, cell adhesion, and mechanical properties are active research areas. This review serves as a road map to provide insights into the strategies to develop AHMs in medical applications.
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Identification and Characterization of a New Cold-Adapted and Alkaline Alginate Lyase TsAly7A from Thalassomonas sp. LD5 Produces Alginate Oligosaccharides with High Degree of Polymerization. Mar Drugs 2022; 21:md21010006. [PMID: 36662179 PMCID: PMC9864975 DOI: 10.3390/md21010006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/17/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
Alginate oligosaccharides (AOS) and their derivatives become popular due to their favorable biological activity, and the key to producing functional AOS is to find efficient alginate lyases. This study showed one alginate lyase TsAly7A found in Thalassomonas sp. LD5, which was predicted to have excellent industrial properties. Bioinformatics analysis and enzymatic properties of recombinant TsAly7A (rTsAly7A) were investigated. TsAly7A belonged to the fifth subfamily of polysaccharide lyase family 7 (PL7). The optimal temperature and pH of rTsAly7A was 30 °C and 9.1 in Glycine-NaOH buffer, respectively. The pH stability of rTsAly7A under alkaline conditions was pretty good and it can remain at above 90% of the initial activity at pH 8.9 in Glycine-NaOH buffer for 12 h. In the presence of 100 mM NaCl, rTsAly7A showed the highest activity, while in the absence of NaCl, 50% of the highest activity was observed. The rTsAly7A was an endo-type alginate lyase, and its end-products of alginate degradation were unsaturated oligosaccharides (degree of polymerization 2-6). Collectively, the rTsAly7A may be a good industrial production tool for producing AOS with high degree of polymerization.
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Xiao P, Huang J, Han X, Cheu JWS, Liu Y, Law LH, Lai JHC, Li J, Park SW, Wong CCL, Lam RHW, Chan KWY. Monitor Tumor pHe and Response Longitudinally during Treatment Using CEST MRI-Detectable Alginate Microbeads. ACS APPLIED MATERIALS & INTERFACES 2022; 14:54401-54410. [PMID: 36448714 PMCID: PMC9756293 DOI: 10.1021/acsami.2c10493] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 10/05/2022] [Indexed: 06/17/2023]
Abstract
Imaging pHe of the tumor microenvironment has paramount importance for characterizing aggressive, invasive tumors, as well as therapeutic responses. Here, a robust approach to image pH changes in the tumor microenvironment longitudinally and during sodium bicarbonate treatment was reported. The pH-sensing microbeads were designed and prepared based on materials approved for clinical use, i.e., alginate microbead-containing computed tomography (CT) contrast-agent (iopamidol)-loaded liposomes (Iop-lipobeads). This Iop-lipobead prepared using a customized microfluidic device generated a CEST contrast of 10.6% at 4.2 ppm at pH 7.0, which was stable for 20 days in vitro. The CEST contrast decreased by 11.8% when the pH decreased from 7.0 to 6.5 in vitro. Optimized Iop-lipobeads next to tumors showed a significant increase of 19.7 ± 6.1% (p < 0.01) in CEST contrast at 4.2 ppm during the first 3 days of treatment and decreased to 15.2 ± 4.8% when treatment stopped. Notably, percentage changes in Iop-lipobeads were higher than that of amide CEST (11.7% and 9.1%) in tumors during and after treatment. These findings demonstrated that the Iop-lipobead could provide an independent and sensitive assessment of the pHe changes for a noninvasive and longitudinal monitoring of the treatment effects using multiple CEST contrast.
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Affiliation(s)
- Peng Xiao
- Department
of Biomedical Engineering, City University
of Hong Kong, Hong Kong, China
| | - Jianpan Huang
- Department
of Biomedical Engineering, City University
of Hong Kong, Hong Kong, China
| | - Xiongqi Han
- Department
of Biomedical Engineering, City University
of Hong Kong, Hong Kong, China
| | - Jacinth W. S. Cheu
- Department
of Pathology, Li Ka Shing Faculty of Medicine,
The University of Hong Kong, Hong Kong, China
| | - Yang Liu
- Department
of Biomedical Engineering, City University
of Hong Kong, Hong Kong, China
| | - Lok Hin Law
- Department
of Biomedical Engineering, City University
of Hong Kong, Hong Kong, China
| | - Joseph H. C. Lai
- Department
of Biomedical Engineering, City University
of Hong Kong, Hong Kong, China
| | - Jiyu Li
- Department
of Biomedical Engineering, City University
of Hong Kong, Hong Kong, China
| | - Se Weon Park
- Department
of Biomedical Engineering, City University
of Hong Kong, Hong Kong, China
| | - Carmen C. L. Wong
- Department
of Pathology, Li Ka Shing Faculty of Medicine,
The University of Hong Kong, Hong Kong, China
- State
Key Laboratory of Liver Research, The University
of Hong Kong, Hong Kong, China
| | - Raymond H. W. Lam
- Department
of Biomedical Engineering, City University
of Hong Kong, Hong Kong, China
| | - Kannie W. Y. Chan
- Department
of Biomedical Engineering, City University
of Hong Kong, Hong Kong, China
- City
University of Hong Kong Shenzhen Research Institute, Shenzhen, China
- Russell
H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
- Tung
Biomedical
Sciences Centre, City University of Hong
Kong, Hong Kong, China
- Hong
Kong Centre for Cerebro-Cardiovascular Health Engineering, Hong Kong, China
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Carbohydrate Polymer-Based Targeted Pharmaceutical Formulations for Colorectal Cancer: Systematic Review of the Literature. POLYSACCHARIDES 2022. [DOI: 10.3390/polysaccharides3040040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Colon cancer is the third most diagnosed cancer worldwide, followed by lung and breast cancer. Conventional treatment methods are associated with numerous side effects and compliance issues. Thus, colon targeted drug delivery has gained much attention due to its evident advantages. Although many technologies have been explored, the use of pH-sensitive polymers, especially biodegradable polymers, holds exceptional promise. This review aims to collate research articles concerning recent advances in this area. A systematic search using multiple databases (Google Scholar, EMBASE, PubMed, MEDLINE and Scopus) was carried out following the preferred reported items for systematic reviews and meta-analyses (PRISMA) guidelines with an aim to explore the use of pH-sensitive carbohydrate polymers in developing colon targeted pharmaceutical formulations. Following screening and quality assessment for eligibility, 42 studies were included, exploring either single or a combination of carbohydrate polymers to develop targeted formulations for colon cancer therapy. Pectin (11) is the most widely used of these biopolymers, followed by chitosan (09), alginate (09) and guar gum (08). This systematic review has successfully gathered experimental evidence highlighting the importance of employing carbohydrate polymers in developing targeting formulations to manage colon cancer.
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Sodium Alginate—Natural Microencapsulation Material of Polymeric Microparticles. Int J Mol Sci 2022; 23:ijms232012108. [PMID: 36292962 PMCID: PMC9603258 DOI: 10.3390/ijms232012108] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 09/26/2022] [Accepted: 09/29/2022] [Indexed: 11/30/2022] Open
Abstract
From the multitude of materials currently available on the market that can be used in the development of microparticles, sodium alginate has become one of the most studied natural anionic polymers that can be included in controlled-release pharmaceutical systems alongside other polymers due to its low cost, low toxicity, biocompatibility, biodegradability and gelatinous die-forming capacity in the presence of Ca2+ ions. In this review, we have shown that through coacervation, the particulate systems for the dispensing of drugs consisting of natural polymers are nontoxic, allowing the repeated administration of medicinal substances and the protection of better the medicinal substances from degradation, which can increase the capture capacity of the drug and extend its release from the pharmaceutical form.
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Wu S, Gan T, Xie L, Deng S, Liu Y, Zhang H, Hu X, Lei L. Antibacterial performance of graphene oxide/alginate-based antisense hydrogel for potential therapeutic application in Staphylococcus aureus infection. BIOMATERIALS ADVANCES 2022; 141:213121. [PMID: 36162343 DOI: 10.1016/j.bioadv.2022.213121] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 07/29/2022] [Accepted: 09/12/2022] [Indexed: 06/16/2023]
Abstract
Staphylococcus aureus (S. aureus) is an opportunistic bacterium that causes several infections in humans. However, chronic biofilms remain a major challenge associated with recalcitrance toward traditional treatments. Herein, an antibacterial hydrogel composed of antisense DNA oligonucleotides, graphene oxide and alginate is construed for biofilm management and infection care. The hydrogel is established through noncovalent binding and possesses injectability and degradability properties. Furthermore, hydrogels present controllable release of cargoes, genetic targeting antibacterial effects and stem cell supporting capabilities. Our in vivo results reveal a high antibiofilm performance and good biocompatibility, which significantly improve tissue regeneration. The hydrogel inhibits biofilm formation by decreasing the expression of YycFG with antisense and viability of strains by graphene oxide. Thus, antisense hydrogels can be a promising antibacterial bioactive material for potential therapeutic S. aureus infection.
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Affiliation(s)
- Shizhou Wu
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Tingjiang Gan
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Liwei Xie
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Shu Deng
- Boston University Henry M Goldman School of Dental Medicine, Boston, MA 02101, USA
| | - Yunjie Liu
- West China School of Public Health, Sichuan University, Chengdu City, Sichuan 610041, China
| | - Hui Zhang
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xuefeng Hu
- National Engineering Research Center for Biomaterials, Biomaterials Building, Sichuan University, 29 Wangjiang Road, Chengdu 610064, Sichuan, China.
| | - Lei Lei
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
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42
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Iravani S, Varma RS. Alginate-Based Micro- and Nanosystems for Targeted Cancer Therapy. Mar Drugs 2022; 20:598. [PMID: 36286422 PMCID: PMC9604960 DOI: 10.3390/md20100598] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/06/2023] Open
Abstract
Alginates have been widely explored due to their salient advantages of hydrophilicity, biocompatibility, mucoadhesive features, bioavailability, environmentally-benign properties, and cost-effectiveness. They are applied for designing micro- and nanosystems for controlled and targeted drug delivery and cancer therapy as alginate biopolymers find usage in encapsulating anticancer drugs to improve their bioavailability, sustained release, pharmacokinetics, and bio-clearance. Notably, these nanomaterials can be applied for photothermal, photodynamic, and chemodynamic therapy of cancers/tumors. Future explorations ought to be conducted to find novel alginate-based (nano)systems for targeted cancer therapy using advanced drug delivery techniques with benefits of non-invasiveness, patient compliance, and convenience of drug administration. Thus, some critical parameters such as mucosal permeability, stability in the gastrointestinal tract environment, and drug solubility ought to be considered. In addition, the comprehensive clinical translational studies along with the optimization of synthesis techniques still need to be addressed. Herein, we present an overview of the current state of knowledge and recent developments pertaining to the applications of alginate-based micro- and nanosystems for targeted cancer therapy based on controlled drug delivery, photothermal therapy, and chemodynamic/photodynamic therapy approaches, focusing on important challenges and future directions.
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Yang Y, Huang C, Zheng H, Meng Z, Heng BC, Zhou T, Jiang S, Wei Y. Superwettable and injectable GelMA-MSC microspheres promote cartilage repair in temporomandibular joints. Front Bioeng Biotechnol 2022; 10:1026911. [PMID: 36225601 PMCID: PMC9549523 DOI: 10.3389/fbioe.2022.1026911] [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: 08/24/2022] [Accepted: 09/05/2022] [Indexed: 11/14/2022] Open
Abstract
Temporomandibular disorders (TMD) can be treated by promoting cartilage regeneration with biomaterials. However, there are deficiencies in the infiltration function of bone filler biological materials. In this study, stems cells were loaded onto gelatin methacryloyl (GelMA) hydrogel microspheres endowed with superwettable properties and TGF-β sustained-release function, which can quickly infiltrate the irregular surface of the temporomandibular joint (TMJ) bone defect area and accelerate cartilage healing. First, to improve cell adhesion and spreading function, the BMSCs-coated GelMA microspheres were endowed with superwetting property. At the same time, the swelling adsorption characteristics of gelatin microspheres could be used to load recombinant TGF-β within the microspheres, which could in turn promote the chondrogenic differentiation of multi-potent bone marrow mesenchymal stem cells. The SEM imaging demonstrated that BMSCs-coated GelMA microsphere has superwettable and superhydrophilic property, which enabled rapid adaptation to the bone defect surface morphology, which is conducive to tissue repair. Furthermore, the cartilage defect model showed that rBMSCs-coated GelMA microspheres promote temporomandibular joint arthritis repair. In conclusion, our study established that BMSC-coated GelMA microspheres endowed with superwetting properties, can colonize the bone defect repair site better with sustained release of growth factors, thus providing an innovative strategy for promoting cartilage regeneration.
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Affiliation(s)
- Yue Yang
- Beijing Laboratory of Biomedical Materials, Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
- Department of Prosthodontics, The First Clinical Division, Peking University School and Hospital of Stomatology, Beijing, China
| | - Chenyan Huang
- Beijing Laboratory of Biomedical Materials, Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
| | - Huimin Zheng
- Beijing Laboratory of Biomedical Materials, Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
| | - Zhaoqiang Meng
- Beijing Laboratory of Biomedical Materials, Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
| | - Boon Chin Heng
- Beijing Laboratory of Biomedical Materials, Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
| | - Tuanfeng Zhou
- Department of Prosthodontics, The First Clinical Division, Peking University School and Hospital of Stomatology, Beijing, China
| | - Shengjie Jiang
- Beijing Laboratory of Biomedical Materials, Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
- *Correspondence: Shengjie Jiang, ; Yan Wei,
| | - Yan Wei
- Beijing Laboratory of Biomedical Materials, Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
- *Correspondence: Shengjie Jiang, ; Yan Wei,
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Łętocha A, Miastkowska M, Sikora E. Preparation and Characteristics of Alginate Microparticles for Food, Pharmaceutical and Cosmetic Applications. Polymers (Basel) 2022; 14:polym14183834. [PMID: 36145992 PMCID: PMC9502979 DOI: 10.3390/polym14183834] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/08/2022] [Accepted: 09/11/2022] [Indexed: 11/16/2022] Open
Abstract
Alginates are the most widely used natural polymers in the pharmaceutical, food and cosmetic industries. Usually, they are applied as a thickening, gel-forming and stabilizing agent. Moreover, the alginate-based formulations such as matrices, membranes, nanospheres or microcapsules are often used as delivery systems. Alginate microparticles (AMP) are biocompatible, biodegradable and nontoxic carriers, applied to encapsulate hydrophilic active substances, including probiotics. Here, we report the methods most frequently used for AMP production and encapsulation of different actives. The technological parameters important in the process of AMP preparation, such as alginate concentration, the type and concentration of other reagents (cross-linking agents, oils, emulsifiers and pH regulators), agitation speed or cross-linking time, are reviewed. Furthermore, the advantages and disadvantages of alginate microparticles as delivery systems are discussed, and an overview of the active ingredients enclosed in the alginate carriers are presented.
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Li Q, Chang B, Dong H, Liu X. Functional microspheres for tissue regeneration. Bioact Mater 2022; 25:485-499. [PMID: 37056261 PMCID: PMC10087113 DOI: 10.1016/j.bioactmat.2022.07.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 07/13/2022] [Accepted: 07/26/2022] [Indexed: 11/02/2022] Open
Abstract
As a new type of injectable biomaterials, functional microspheres have attracted increasing attention in tissue regeneration because they possess some advantageous properties compared to other biomaterials, including hydrogels. A variety of bio-inspired microspheres with unique structures and properties have been developed as cellular carriers and drug delivery vehicles in recent years. In this review, we provide a comprehensive summary of the progress of functional and biodegradable microspheres that have been used for tissue regeneration over the last two decades. First, we briefly introduce the biomaterials and general methods for microsphere fabrication. Next, we focus on the newly developed technologies for preparing functional microspheres, including macroporous microspheres, nanofibrous microspheres, hollow microspheres, core-shell structured microspheres, and surface-modified functional microspheres. After that, we discuss the application of functional microspheres for tissue regeneration, specifically for bone, cartilage, dental, neural, cardiac, and skin tissue regeneration. Last, we present our perspectives and future directions of functional microspheres as injectable carriers for the future advancement of tissue regeneration.
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Soh WWM, Teoh RYP, Zhu J, Xun Y, Wee CY, Ding J, Thian ES, Li J. Facile Construction of a Two-in-One Injectable Micelleplex-Loaded Thermogel System for the Prolonged Delivery of Plasmid DNA. Biomacromolecules 2022; 23:3477-3492. [PMID: 35878156 DOI: 10.1021/acs.biomac.2c00648] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Nanoparticle-hydrogel systems have recently emerged as a class of interesting hybrid materials with immense potential for several biomedical applications. Remarkably, the incorporation of nanoparticles into a hydrogel may yield synergistic benefits lacking in a singular system. However, most synthetic strategies require laborious steps to achieve the system, severely restricting the process of translational research. Herein, a facile strategy to access a two-in-one system comprising two distinct polyurethane (PU)-based micellar systems is demonstrated and applied as a novel sustained gene delivery platform, where the two PUs are synthesized similarly but with slightly different compositions. One PU forms cationic micelles that complex with plasmid DNA (pDNA), which are loaded into a thermogel formed by another PU micellar system for the prolonged release of pDNA micelleplexes. Specifically, a thermogelling multiblock PU copolymer (denoted as EPH) was synthesized via the step-growth polymerization of poly(ethylene glycol), poly(propylene glycol), and poly(3-hydroxybutyrate). By further introducing a cationic extender, 3-(dimethylamino)-1,2-propanediol, into the reaction feed, a series of cationic PUs (denoted as EPHD) with varying compositions were obtained. The EPHDs formed positively charged micelles in aqueous solutions, efficiently condensed pDNA into nano-sized micelleplexes (<200 nm) at optimized w/w ratios, and mediated transient green fluorescence protein expression in HEK293T cells at 48 h post-transfection. On the other hand, aqueous EPH solution (4 wt %) was injectable at 4 °C and rapidly gelled upon heating to 37 °C to form a stable hydrogel depot. EPHD/pDNA micelleplexes were easily loaded into EPH by mixing the solutions at 4 °C, before heating to 37 °C, leading to the resultant hydrogel system. The in vitro release study revealed that while free pDNA loaded in the thermogel was completely released in 2 weeks, the release of EPHD/pDNA micelleplexes was prolonged to at least 28 days, suggesting substantial micelleplex-hydrogel interactions. Intact, bioactive, and noncytotoxic EPHD/pDNA micelleplexes in the release media were proved by gel retardation, in vitro gene transfection, and CCK-8 cytotoxicity assay results, respectively. Collectively, this work presents a simple approach to achieving and optimizing a novel two-in-one nanoparticle-hydrogel system for the prolonged delivery of pDNA and may be promising for long-term gene delivery applications.
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Affiliation(s)
- Wilson Wee Mia Soh
- Department of Biomedical Engineering, National University of Singapore, 15 Kent Ridge Crescent, Singapore 119276, Singapore
| | - Rachel Yun Pei Teoh
- Department of Biomedical Engineering, National University of Singapore, 15 Kent Ridge Crescent, Singapore 119276, Singapore
| | - Jingling Zhu
- Department of Biomedical Engineering, National University of Singapore, 15 Kent Ridge Crescent, Singapore 119276, Singapore.,NUS Environmental Research Institute (NERI), National University of Singapore, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Yanran Xun
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore
| | - Chien Yi Wee
- Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore
| | - Jun Ding
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore
| | - Eng San Thian
- Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore
| | - Jun Li
- Department of Biomedical Engineering, National University of Singapore, 15 Kent Ridge Crescent, Singapore 119276, Singapore.,NUS Environmental Research Institute (NERI), National University of Singapore, 5A Engineering Drive 1, Singapore 117411, Singapore
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Cardoso LMDF, Barreto T, Gama JFG, Alves LA. Natural Biopolymers as Additional Tools for Cell Microencapsulation Applied to Cellular Therapy. Polymers (Basel) 2022; 14:polym14132641. [PMID: 35808686 PMCID: PMC9268758 DOI: 10.3390/polym14132641] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 12/10/2022] Open
Abstract
One of the limitations in organ, tissue or cellular transplantations is graft rejection. To minimize or prevent this, recipients must make use of immunosuppressive drugs (IS) throughout their entire lives. However, its continuous use generally causes several side effects. Although some IS dose reductions and withdrawal strategies have been employed, many patients do not adapt to these protocols and must return to conventional IS use. Therefore, many studies have been carried out to offer treatments that may avoid IS administration in the long term. A promising strategy is cellular microencapsulation. The possibility of microencapsulating cells originates from the opportunity to use biomaterials that mimic the extracellular matrix. This matrix acts as a support for cell adhesion and the syntheses of new extracellular matrix self-components followed by cell growth and survival. Furthermore, by involving the cells in a polymeric matrix, the matrix acts as an immunoprotective barrier, protecting cells against the recipient’s immune system while still allowing essential cell survival molecules to diffuse bilaterally through the polymer matrix pores. In addition, this matrix can be associated with IS, thus diminishing systemic side effects. In this context, this review will address the natural biomaterials currently in use and their importance in cell therapy.
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Sivan SS, Bonstein I, Marmor YN, Pelled G, Gazit Z, Amit M. Encapsulation of Human-Bone-Marrow-Derived Mesenchymal Stem Cells in Small Alginate Beads Using One-Step Emulsification by Internal Gelation: In Vitro, and In Vivo Evaluation in Degenerate Intervertebral Disc Model. Pharmaceutics 2022; 14:pharmaceutics14061179. [PMID: 35745752 PMCID: PMC9228465 DOI: 10.3390/pharmaceutics14061179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 12/21/2022] Open
Abstract
Cell microencapsulation in gel beads contributes to many biomedical processes and pharmaceutical applications. Small beads (<300 µm) offer distinct advantages, mainly due to improved mass transfer and mechanical strength. Here, we describe, for the first time, the encapsulation of human-bone-marrow-derived mesenchymal stem cells (hBM-MSCs) in small-sized microspheres, using one-step emulsification by internal gelation. Small (127−257 µm) high-mannuronic-alginate microspheres were prepared at high agitation rates (800−1000 rpm), enabling control over the bead size and shape. The average viability of encapsulated hBM-MSCs after 2 weeks was 81 ± 4.3% for the higher agitation rates. hBM-MSC-loaded microspheres seeded within a glycosaminoglycan (GAG) analogue, which was previously proposed as a mechanically equivalent implant for degenerate discs, kept their viability, sphericity, and integrity for at least 6 weeks. A preliminary in vivo study of hBM-MSC-loaded microspheres implanted (via a GAG-analogue hydrogel) in a rat injured intervertebral disc model demonstrated long-lasting viability and biocompatibility for at least 8 weeks post-implantation. The proposed method offers an effective and reproducible way to maintain long-lasting viability in vitro and in vivo. This approach not only utilizes the benefits of a simple, mild, and scalable method, but also allows for the easy control of the bead size and shape by the agitation rate, which, overall, makes it a very attractive platform for regenerative-medicine applications.
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Affiliation(s)
- Sarit S. Sivan
- Department of Biotechnology Engineering, Braude College of Engineering, P.O. Box 78, Karmiel 2161002, Israel; (I.B.); (M.A.)
- Correspondence: ; Tel.: +972-4-990-1855
| | - Iris Bonstein
- Department of Biotechnology Engineering, Braude College of Engineering, P.O. Box 78, Karmiel 2161002, Israel; (I.B.); (M.A.)
| | - Yariv N. Marmor
- Department of Industrial Engineering and Management, Braude College of Engineering, P.O. Box 78, Karmiel 2161002, Israel;
| | - Gadi Pelled
- Skeletal Biotech Laboratory, Faculty of Dental Medicine, The Hebrew University of Jerusalem, P.O. Box 12272, Jerusalem 91120, Israel; (G.P.); (Z.G.)
| | - Zulma Gazit
- Skeletal Biotech Laboratory, Faculty of Dental Medicine, The Hebrew University of Jerusalem, P.O. Box 12272, Jerusalem 91120, Israel; (G.P.); (Z.G.)
| | - Michal Amit
- Department of Biotechnology Engineering, Braude College of Engineering, P.O. Box 78, Karmiel 2161002, Israel; (I.B.); (M.A.)
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Jahn P, Karger RK, Soso Khalaf S, Hamad S, Peinkofer G, Sahito RGA, Pieroth S, Nitsche F, Lu J, Derichsweiler D, Brockmeier K, Hescheler J, Schmidt A, Pfannkuche KP. Engineering of cardiac microtissues by microfluidic cell encapsulation in thermoshrinking non-crosslinked PNIPAAm gels. Biofabrication 2022; 14. [PMID: 35617928 DOI: 10.1088/1758-5090/ac73b5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 05/26/2022] [Indexed: 11/11/2022]
Abstract
Multicellular agglomerates in form of irregularly shaped or spherical clusters can recapitulate cell-cell interactions and are referred to as microtissues. Microtissues gain increasing attention in several fields including cardiovascular research. Cardiac microtissues are evolving as excellent model systems for drug testing in vitro (organ-on-a-chip), are used as tissue bricks in 3D printing processes and pave the way for improved cell replacement therapies in vivo. Microtissues are formed for example in hanging drop culture or specialized microwell plates; truly scalable methods are not yet available. In this study, a novel method of encapsulation of cells in Poly-N-isopropylacrylamid (PNIPAAm) spheres is introduced. Murine induced pluripotent stem cell-derived cardiomyocytes (CMs) and bone marrow-derived mesenchymal stem cells (MSCs) were encapsulated in PNIPAAm by raising the temperature of droplets formed in a microfluidics setup above the lower critical solute temperature (LCST) of 32°C. PNIPAAM precipitates to a water-insoluble physically linked gel above the LCST and shrinks by the expulsion of water, thereby trapping the cells in a collapsing polymer network and increasing the cell density by one order of magnitude. Within 24 hours, stable cardiac microtissues were first formed and later released from their polymer shell by washout of PNIPAAm at temperatures below the LCST. Rhythmically contracting microtissues showed homogenous cell distribution, age-dependent sarcomere organizations and action potential generation. The novel approach is applicable for microtissue formation from various cell types and can be implemented into scalable workflows.
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Affiliation(s)
- Philipp Jahn
- University Hospital Cologne, Robert Koch Str. 39, Koln, Nordrhein-Westfalen, 50924, GERMANY
| | - Rebecca Katharina Karger
- Center for Physiology and Pathophysiology, University of Cologne, Robert Koch Str. 39, Cologne, Nordrhein-Westfalen, 50931, GERMANY
| | - Shahab Soso Khalaf
- University Hospital Cologne, Robert Koch Str. 39, Koln, Nordrhein-Westfalen, 50931, GERMANY
| | - Sarkawt Hamad
- University of Cologne, Robert Koch Str. 39, Koln, Nordrhein-Westfalen, 50931, GERMANY
| | - Gabriel Peinkofer
- University Hospital Cologne, Robert Koch Str. 39, Koln, Nordrhein-Westfalen, 50931, GERMANY
| | | | - Stephanie Pieroth
- Department of Chemistry, University of Cologne, Greinstr. 4-6, Koln, 50923, GERMANY
| | - Frank Nitsche
- Institute of Zoology, University of Cologne, Zülpicher Str. 47b, Cologne, Nordrhein-Westfalen, 50674, GERMANY
| | - Junqi Lu
- Department of Chemistry, University of Cologne, Greinstraße 4-6, Cologne, Nordrhein-Westfalen, 50939, GERMANY
| | - Daniel Derichsweiler
- University Hospital Cologne, Robert Koch Str. 39, Koln, Nordrhein-Westfalen, 50931, GERMANY
| | - Konrad Brockmeier
- Department of Pediatric Cardiology, University Hospital of Cologne, Kerpener Str. 62, Cologne, 50924, GERMANY
| | - Jürgen Hescheler
- University Hospital Cologne, Robert Koch Str. 39, Koln, Nordrhein-Westfalen, 50931, GERMANY
| | - Annette Schmidt
- Department Chemistry, University of Cologne, Greinstr. 4-6, Koln, Nordrhein-Westfalen, 50923, GERMANY
| | - Kurt Paul Pfannkuche
- University Hospital Cologne, Robert Koch Str. 39, Koln, Nordrhein-Westfalen, 50931, GERMANY
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Garello F, Svenskaya Y, Parakhonskiy B, Filippi M. Micro/Nanosystems for Magnetic Targeted Delivery of Bioagents. Pharmaceutics 2022; 14:pharmaceutics14061132. [PMID: 35745705 PMCID: PMC9230665 DOI: 10.3390/pharmaceutics14061132] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/09/2022] [Accepted: 05/19/2022] [Indexed: 01/09/2023] Open
Abstract
Targeted delivery of pharmaceuticals is promising for efficient disease treatment and reduction in adverse effects. Nano or microstructured magnetic materials with strong magnetic momentum can be noninvasively controlled via magnetic forces within living beings. These magnetic carriers open perspectives in controlling the delivery of different types of bioagents in humans, including small molecules, nucleic acids, and cells. In the present review, we describe different types of magnetic carriers that can serve as drug delivery platforms, and we show different ways to apply them to magnetic targeted delivery of bioagents. We discuss the magnetic guidance of nano/microsystems or labeled cells upon injection into the systemic circulation or in the tissue; we then highlight emergent applications in tissue engineering, and finally, we show how magnetic targeting can integrate with imaging technologies that serve to assist drug delivery.
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Affiliation(s)
- Francesca Garello
- Molecular and Preclinical Imaging Centers, Department of Molecular Biotechnology and Health Sciences, University of Torino, Via Nizza 52, 10126 Torino, Italy;
| | - Yulia Svenskaya
- Science Medical Center, Saratov State University, 410012 Saratov, Russia;
| | - Bogdan Parakhonskiy
- Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium;
| | - Miriam Filippi
- Soft Robotics Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
- Correspondence:
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