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Diedericks B, Kok AM, Mandiwana V, Lall N. A Review of the Potential of Poly-(lactide-co-glycolide) Nanoparticles as a Delivery System for an Active Antimycobacterial Compound, 7-Methyljuglone. Pharmaceutics 2024; 16:216. [PMID: 38399270 PMCID: PMC10893214 DOI: 10.3390/pharmaceutics16020216] [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: 12/04/2023] [Revised: 01/15/2024] [Accepted: 01/30/2024] [Indexed: 02/25/2024] Open
Abstract
7-Methyljuglone (7-MJ) is a pure compound isolated from the roots of Euclea natalensis A. DC., a shrub indigenous to South Africa. It exhibits significant promise as a potential treatment for the highly communicable disease tuberculosis (TB), owing to its effective antimycobacterial activity against Mycobacterium tuberculosis. Despite its potential therapeutic benefits, 7-MJ has demonstrated in vitro cytotoxicity against various cancerous and non-cancerous cell lines, raising concerns about its safety for consumption by TB patients. Therefore, this review focuses on exploring the potential of poly-(lactide-co-glycolic) acid (PLGA) nanoparticles as a delivery system, which has been shown to decrease in vitro cytotoxicity, and 7-MJ as an effective antimycobacterial compound.
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Affiliation(s)
- Bianca Diedericks
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria 0002, South Africa; (B.D.); (A.-M.K.)
| | - Anna-Mari Kok
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria 0002, South Africa; (B.D.); (A.-M.K.)
- Research Fellow, South African International Maritime Institute (SAIMI), Nelson Mandela University, Gqeberha 6019, South Africa
| | - Vusani Mandiwana
- Chemicals Cluster, Centre for Nanostructures and Advanced Materials, Council for Scientific and Industrial Research, Pretoria 0001, South Africa;
| | - Namrita Lall
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria 0002, South Africa; (B.D.); (A.-M.K.)
- School of Natural Resources, University of Missouri, Columbia, MO 65211, USA
- College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru 643001, India
- Senior Research Fellow, Bio-Tech R&D Institute, University of the West Indies, Kingston IAU-016615, Jamaica
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Syed Mohamed SMD, Welsh GI, Roy I. Renal tissue engineering for regenerative medicine using polymers and hydrogels. Biomater Sci 2023; 11:5706-5726. [PMID: 37401545 DOI: 10.1039/d3bm00255a] [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: 07/05/2023]
Abstract
Chronic Kidney Disease (CKD) is a growing worldwide problem, leading to end-stage renal disease (ESRD). Current treatments for ESRD include haemodialysis and kidney transplantation, but both are deemed inadequate since haemodialysis does not address all other kidney functions, and there is a shortage of suitable donor organs for transplantation. Research in kidney tissue engineering has been initiated to take a regenerative medicine approach as a potential treatment alternative, either to develop effective cell therapy for reconstruction or engineer a functioning bioartificial kidney. Currently, renal tissue engineering encompasses various materials, mainly polymers and hydrogels, which have been chosen to recreate the sophisticated kidney architecture. It is essential to address the chemical and mechanical aspects of the materials to ensure they can support cell development to restore functionality and feasibility. This paper reviews the types of polymers and hydrogels that have been used in kidney tissue engineering applications, both natural and synthetic, focusing on the processing and formulation used in creating bioactive substrates and how these biomaterials affect the cell biology of the kidney cells used.
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Affiliation(s)
| | - Gavin I Welsh
- Renal Bristol, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol BS1 3NY, UK
| | - Ipsita Roy
- Department of Materials Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield S37HQ, UK.
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Da Silva J, Leal EC, Carvalho E, Silva EA. Innovative Functional Biomaterials as Therapeutic Wound Dressings for Chronic Diabetic Foot Ulcers. Int J Mol Sci 2023; 24:9900. [PMID: 37373045 DOI: 10.3390/ijms24129900] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/19/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
The imbalance of local and systemic factors in individuals with diabetes mellitus (DM) delays, or even interrupts, the highly complex and dynamic process of wound healing, leading to diabetic foot ulceration (DFU) in 15 to 25% of cases. DFU is the leading cause of non-traumatic amputations worldwide, posing a huge threat to the well-being of individuals with DM and the healthcare system. Moreover, despite all the latest efforts, the efficient management of DFUs still remains a clinical challenge, with limited success rates in treating severe infections. Biomaterial-based wound dressings have emerged as a therapeutic strategy with rising potential to handle the tricky macro and micro wound environments of individuals with DM. Indeed, biomaterials have long been related to unique versatility, biocompatibility, biodegradability, hydrophilicity, and wound healing properties, features that make them ideal candidates for therapeutic applications. Furthermore, biomaterials may be used as a local depot of biomolecules with anti-inflammatory, pro-angiogenic, and antimicrobial properties, further promoting adequate wound healing. Accordingly, this review aims to unravel the multiple functional properties of biomaterials as promising wound dressings for chronic wound healing, and to examine how these are currently being evaluated in research and clinical settings as cutting-edge wound dressings for DFU management.
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Affiliation(s)
- Jessica Da Silva
- CNC-Center for Neuroscience and Cell Biology, CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- PDBEB-Ph.D. Programme in Experimental Biology and Biomedicine, University of Coimbra, 3004-504 Coimbra, Portugal
- Institute of Interdisciplinary Research, University of Coimbra, Casa Costa Alemão, Rua Dom Francisco de Lemos, 3030-789 Coimbra, Portugal
- Department of Biomedical Engineering, Genome and Biomedical Sciences Facilities, UC Davis, 451 Health Sciences Dr., Davis, CA 95616, USA
| | - Ermelindo C Leal
- CNC-Center for Neuroscience and Cell Biology, CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Institute of Interdisciplinary Research, University of Coimbra, Casa Costa Alemão, Rua Dom Francisco de Lemos, 3030-789 Coimbra, Portugal
| | - Eugénia Carvalho
- CNC-Center for Neuroscience and Cell Biology, CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Institute of Interdisciplinary Research, University of Coimbra, Casa Costa Alemão, Rua Dom Francisco de Lemos, 3030-789 Coimbra, Portugal
| | - Eduardo A Silva
- Department of Biomedical Engineering, Genome and Biomedical Sciences Facilities, UC Davis, 451 Health Sciences Dr., Davis, CA 95616, USA
- Department of Chemistry, Bioscience, and Environmental Engineering, University of Stavanger, Kristine Bonnevies vei 22, 4021 Stavanger, Norway
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Jeong J, Yoon S, Yang X, Kim YJ. Super-Tough and Biodegradable Poly(lactide-co-glycolide) (PLGA) Transparent Thin Films Toughened by Star-Shaped PCL- b-PDLA Plasticizers. Polymers (Basel) 2023; 15:2617. [PMID: 37376263 DOI: 10.3390/polym15122617] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/04/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
To obtain fully degradable and super-tough poly(lactide-co-glycolide) (PLGA) blends, biodegradable star-shaped PCL-b-PDLA plasticizers were synthesized using natural originated xylitol as initiator. These plasticizers were blended with PLGA to prepare transparent thin films. Effects of added star-shaped PCL-b-PDLA plasticizers on mechanical, morphological, and thermodynamic properties of PLGA/star-shaped PCL-b-PDLA blends were investigated. The stereocomplexation strong cross-linked network between PLLA segment and PDLA segment effectively enhanced interfacial adhesion between star-shaped PCL-b-PDLA plasticizers and PLGA matrix. With only 0.5 wt% addition of star-shaped PCL-b-PDLA (Mn = 5000 g/mol), elongation at break of the PLGA blend reached approximately 248%, without any considerable sacrifice over excellent mechanical strength and modulus of PLGA.
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Affiliation(s)
- Jieun Jeong
- School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Sangsoo Yoon
- School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Xin Yang
- Key Laboratory for Light-Weight Materials, Nanjing Tech University, Nanjing 210009, China
| | - Young Jun Kim
- School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
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Phan VH, Tai Y, Chiang T, Yu C. Synthesis of poly(lactide‐
co
‐glycolide) containing high glycolide contents by ring‐opening polymerization as well as their structural characterizations, thermal properties, morphologies, and hydrophilicity. J Appl Polym Sci 2022. [DOI: 10.1002/app.53328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Van Hoang‐Khang Phan
- Department of Materials Science and Engineering National Taiwan University of Science and Technology Taipei Taiwan
| | - Yi‐Hsin Tai
- Department of Materials Science and Engineering National Taiwan University of Science and Technology Taipei Taiwan
| | - Tai‐Chin Chiang
- Global Development Engineering Program National Taiwan University of Science and Technology Taipei Taiwan
| | - Chin‐Yang Yu
- Department of Materials Science and Engineering National Taiwan University of Science and Technology Taipei Taiwan
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Synthesis and Characterization of 4-Formylphenylboronic Acid Cross-linked Chitosan Hydrogel with Dual Action: Glucose-Sensitivity and Controlled Insulin Release. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1016/j.cjac.2022.100092] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Ramos-Durán G, González-Zarate ADC, Enríquez-Medrano FJ, Salinas-Hernández M, De Jesús-Téllez MA, Díaz de León R, López-González HR. Synthesis of copolyesters based on substituted and non-substituted lactones towards the control of their crystallinity and their potential effect on hydrolytic degradation in the design of soft medical devices. RSC Adv 2022; 12:18154-18163. [PMID: 35800320 PMCID: PMC9210866 DOI: 10.1039/d2ra01861f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/03/2022] [Indexed: 01/22/2023] Open
Abstract
ROP synthesis of polyesters at different molar ratios of monomers ε-caprolactone (ε-CL) in combination with alkyl substituted lactones δ-decalactone (δ-DL), ε-decalactone (ε-DL) and δ-dodecalactone (δ-DD), as well copolymers based on ε-DL and δ-DD.
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Affiliation(s)
- Gabriela Ramos-Durán
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna Hermosillo #140, San José de los Cerritos, 25294, Saltillo, Coahuila, Mexico
| | - Aracely del Carmen González-Zarate
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna Hermosillo #140, San José de los Cerritos, 25294, Saltillo, Coahuila, Mexico
| | - Francisco Javier Enríquez-Medrano
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna Hermosillo #140, San José de los Cerritos, 25294, Saltillo, Coahuila, Mexico
| | - Myrna Salinas-Hernández
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna Hermosillo #140, San José de los Cerritos, 25294, Saltillo, Coahuila, Mexico
| | - Marco A. De Jesús-Téllez
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna Hermosillo #140, San José de los Cerritos, 25294, Saltillo, Coahuila, Mexico
| | - Ramon Díaz de León
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna Hermosillo #140, San José de los Cerritos, 25294, Saltillo, Coahuila, Mexico
| | - Hector Ricardo López-González
- Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna Hermosillo #140, San José de los Cerritos, 25294, Saltillo, Coahuila, Mexico
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