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Beheshtizadeh N, Mohammadzadeh M, Mostafavi M, Seraji AA, Ranjbar FE, Tabatabaei SZ, Ghafelehbashi R, Afzali M, Lolasi F. Improving hemocompatibility in tissue-engineered products employing heparin-loaded nanoplatforms. Pharmacol Res 2024; 206:107260. [PMID: 38906204 DOI: 10.1016/j.phrs.2024.107260] [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: 04/24/2024] [Revised: 05/21/2024] [Accepted: 06/10/2024] [Indexed: 06/23/2024]
Abstract
The enhancement of hemocompatibility through the use of nanoplatforms loaded with heparin represents a highly desirable characteristic in the context of emerging tissue engineering applications. The significance of employing heparin in biological processes is unquestionable, owing to its ability to interact with a diverse range of proteins. It plays a crucial role in numerous biological processes by engaging in interactions with diverse proteins and hydrogels. This review provides a summary of recent endeavors focused on augmenting the hemocompatibility of tissue engineering methods through the utilization of nanoplatforms loaded with heparin. This study also provides a comprehensive review of the various applications of heparin-loaded nanofibers and nanoparticles, as well as the techniques employed for encapsulating heparin within these nanoplatforms. The biological and physical effects resulting from the encapsulation of heparin in nanoplatforms are examined. The potential applications of heparin-based materials in tissue engineering are also discussed, along with future perspectives in this field.
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Affiliation(s)
- Nima Beheshtizadeh
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; Regenerative Medicine group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
| | - Mahsa Mohammadzadeh
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran; Regenerative Medicine group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Mehrnaz Mostafavi
- Faculty of Allied Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amir Abbas Seraji
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Canada; Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, Tehran, Iran
| | - Faezeh Esmaeili Ranjbar
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran; Regenerative Medicine group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Seyedeh Zoha Tabatabaei
- Cardiogenetic Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Robabehbeygom Ghafelehbashi
- Dental Materials Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran; Department of Materials and Textile Engineering, College of Engineering, Razi University, Kermanshah, Iran; Regenerative Medicine group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Maede Afzali
- Department of Tissue Engineering, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran; Regenerative Medicine group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Farshad Lolasi
- Department of pharmaceutical biotechnology, Faculty of pharmacy and pharmaceutical sciences, Isfahan University of Medical Sciences, Isfahan, Iran; Regenerative Medicine group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran
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2
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Wang P, Cai F, Li Y, Yang X, Feng R, Lu H, Bai X, Han J. Emerging trends in the application of hydrogel-based biomaterials for enhanced wound healing: A literature review. Int J Biol Macromol 2024; 261:129300. [PMID: 38216016 DOI: 10.1016/j.ijbiomac.2024.129300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/01/2024] [Accepted: 01/05/2024] [Indexed: 01/14/2024]
Abstract
Currently, there is a rising global incidence of diverse acute and chronic wounds, underscoring the immediate necessity for research and treatment advancements in wound repair. Hydrogels have emerged as promising materials for wound healing due to their unique physical and chemical properties. This review explores the classification and characteristics of hydrogel dressings, innovative preparation strategies, and advancements in delivering and releasing bioactive substances. Furthermore, it delves into the functional applications of hydrogels in wound healing, encompassing areas such as infection prevention, rapid hemostasis and adhesion adaptation, inflammation control and immune regulation, granulation tissue formation, re-epithelialization, and scar prevention and treatment. The mechanisms of action of various functional hydrogels are also discussed. Finally, this article also addresses the current limitations of hydrogels and provides insights into their potential future applications and upcoming innovative designs.
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Affiliation(s)
- Peng Wang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Air Force Medical University, Xi'an, Shaanxi, China
| | - Feiyu Cai
- Department of Burns and Plastic Surgery & Wound Repair Surgery, the Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Yu Li
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Air Force Medical University, Xi'an, Shaanxi, China
| | - Xuekang Yang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Air Force Medical University, Xi'an, Shaanxi, China
| | - Rongqin Feng
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Air Force Medical University, Xi'an, Shaanxi, China
| | - He Lu
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Air Force Medical University, Xi'an, Shaanxi, China
| | - Xiaozhi Bai
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Air Force Medical University, Xi'an, Shaanxi, China
| | - Juntao Han
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Air Force Medical University, Xi'an, Shaanxi, China.
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3
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Motsoene F, Abrahamse H, Dhilip Kumar SS. Multifunctional lipid-based nanoparticles for wound healing and antibacterial applications: A review. Adv Colloid Interface Sci 2023; 321:103002. [PMID: 37804662 DOI: 10.1016/j.cis.2023.103002] [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: 06/16/2023] [Revised: 09/13/2023] [Accepted: 09/21/2023] [Indexed: 10/09/2023]
Abstract
Wound healing primarily involves preventing severe infections, accelerating healing, and reducing pain and scarring. Therefore, the multifunctional application of lipid-based nanoparticles (LBNs) has received considerable attention in drug discovery due to their solid or liquid lipid core, which increases their ability to provide prolonged drug release, reduce treatment costs, and improve patient compliance. LBNs have also been used in medical and cosmetic practices and formulated for various products based on skin type, disease conditions, administration product costs, efficiency, stability, and toxicity; therefore, understanding their interaction with biological systems is very important. Therefore, it is necessary to perform an in-depth analysis of the results from a comprehensive characterization process to produce lipid-based drug delivery systems with desired properties. This review will provide detailed information on the different types of LBNs, their formulation methods, characterisation, antimicrobial activity, and application in various wound models (both in vitro and in vivo studies). Also, the clinical and commercial applications of LBNs are summarized.
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Affiliation(s)
- Fezile Motsoene
- Laser Research Centre, University of Johannesburg, Johannesburg, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, University of Johannesburg, Johannesburg, South Africa
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Gao Y, Pei W, Yang Y, Li M, Sun H, Chen M, Ma X, Zhang H, Qi D, Wu J. Multifunctional nanofibrous mats: toward antibacterial and anti-inflammatory applications, and visual bacterial diagnosis. J Mater Chem B 2023; 11:8046-8055. [PMID: 37539498 DOI: 10.1039/d3tb01235b] [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: 08/05/2023]
Abstract
In most circumstances, wounds face the challenges of bacterial invasions and inappropriate inflammatory responses when they lack proper wound management. Endowing dressings with both antibacterial and anti-inflammatory functions is a compelling strategy for resolving the above issues. However, seizing the right moment to change the dressings and providing satisfactory management of wounds are still urgently required. Herein, an antibacterial and anti-inflammatory nanofibrous mat is proposed by encapsulating antibiotic gentamicin sulfate (GS) and anti-inflammatory drug ibuprofen (IB) into nanofibers via a coaxial electrospinning technique and is further decorated with Prussian blue nanocrystals (PBNCs) to enhance anti-inflammatory activity and, more importantly, to monitor bacterial infections and guide dressing changes in a timely manner. Such a nanofibrous mat releases most of the therapeutic drugs within 120 min and reveals excellent antibacterial activity and anti-inflammatory ability. Specifically, it can destroy both Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli), as well as conspicuously reduce the production of reactive oxygen species (ROS) and the expression of pro-inflammatory cytokines in macrophages. In addition, the nanofibrous mat can be used for point-of-use diagnosis of living bacteria relying on the naked eye or color analysis, which exhibits the potential of monitoring wound infection and guiding dressing changes promptly. This finding demonstrates the theranostic applications of multifunctional nanofibrous mats in wound healing.
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Affiliation(s)
- Yujie Gao
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Wenxiang Pei
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Yang Yang
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Mengmeng Li
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Hengqiu Sun
- Department of Pediatric Surgery, Taizhou Women and Children's Hospital of Wenzhou Medical University, Taizhou, 318000, China
| | - Mingchao Chen
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Xiaoman Ma
- Zhejiang Accupath Smart Manufacturing Group Co., Ltd, Jiaxing, China
| | - Hui Zhang
- Zhejiang Accupath Smart Manufacturing Group Co., Ltd, Jiaxing, China
| | - Dongming Qi
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Jindan Wu
- MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
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BalaYadav R, Pathak DP, Varshney R, Arora R. Design and optimization of a novel herbosomal-loaded PEG-poloxamer topical formulation for the treatment of cold injuries: a quality-by-design approach. Drug Deliv Transl Res 2022; 12:2793-2823. [PMID: 35445943 DOI: 10.1007/s13346-022-01140-7] [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: 02/13/2022] [Indexed: 12/16/2022]
Abstract
The spectrum of cold injuries ranges from frostnip, chilblains to severe frostbite. Cold injuries occur upon prolonged exposure to freezing temperature and are pathologically a combination of ice crystal formation in the tissue resulting in inflammation, thrombosis and ischemia in the extremities, often necessitating limb amputation in extreme cases due to tissue necrosis. Severe forms of frostbite are a cause of major concern to patients as well as the treating physician. Due to the lack of effective treatment modalities and paucity of research on prophylaxis and therapeutics of cold injuries, we developed a novel herbosomal-loaded PEG-poloxamer topical formulation (n-HPTF) employing quality-by-design (QBD) approach. Natural compounds exhibiting potent therapeutic potential for the management of cold injuries were incorporated in novel lipid vesicles (herbosomes) loaded in PEG-poloxamer polymers. The herbosomal formulation effectively creates an occlusion barrier that promotes epithelial regeneration, desmosome scale-up and angiogenesis and thus promotes rapid healing, indicating controlled release of herbosomes. Optimized novel herbosomes showed entrapment efficiency > 90% and < 300 nm mean particle size and in vitro drug permeation of about 2 µg/cm2 followed Higuchi's release kinetics. Skin irritancy study on female Sprague-Dawley rats showed no edema or erythema. In vivo bio-efficacy study revealed significant efficacy (p < 0.05) when compared to the standard treatment groups. Graphical abstract presenting the designing and optimization of novel herbosomal-loaded PEG-poloxamer topical formulation (n-HPTF) and predictive model for the in vivo study of the developed n-HPTF on cold injury rat skin model.
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Affiliation(s)
- Renu BalaYadav
- Defence Institute of Physiology and Allied Sciences, Defence Research and Development Organization, Lucknow Road, Timarpur, Delhi, India
| | - Dharam Pal Pathak
- Delhi Institute of Pharmaceutical Science and Research, Pushp Vihar, New Delhi, India
| | - Rajeev Varshney
- Defence Institute of Physiology and Allied Sciences, Defence Research and Development Organization, Lucknow Road, Timarpur, Delhi, India
| | - Rajesh Arora
- Defence Institute of Physiology and Allied Sciences, Defence Research and Development Organization, Lucknow Road, Timarpur, Delhi, India.
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Patel P, Handa M, Jain K, Shukla R. Recent pharmaceutical engineered approaches as prophylaxis and management of frostbite. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Cheng X, Yan H, Pang S, Ya M, Qiu F, Qin P, Zeng C, Lu Y. Liposomes as Multifunctional Nano-Carriers for Medicinal Natural Products. Front Chem 2022; 10:963004. [PMID: 36003616 PMCID: PMC9393238 DOI: 10.3389/fchem.2022.963004] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 06/24/2022] [Indexed: 12/12/2022] Open
Abstract
Although medicinal natural products and their derivatives have shown promising effects in disease therapies, they usually suffer the drawbacks in low solubility and stability in the physiological environment, low delivery efficiency, side effects due to multi-targeting, and low site-specific distribution in the lesion. In this review, targeted delivery was well-guided by liposomal formulation in the aspects of preparation of functional liposomes, liposomal medicinal natural products, combined therapies, and image-guided therapy. This review is believed to provide useful guidance to enhance the targeted therapy of medicinal natural products and their derivatives.
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Affiliation(s)
- Xiamin Cheng
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University (Nanjing Tech), Nanjing, China
- *Correspondence: Xiamin Cheng, ; Chao Zeng, ; Yongna Lu,
| | - Hui Yan
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University (Nanjing Tech), Nanjing, China
| | - Songhao Pang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University (Nanjing Tech), Nanjing, China
| | - Mingjun Ya
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University (Nanjing Tech), Nanjing, China
| | - Feng Qiu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University (Nanjing Tech), Nanjing, China
| | - Pinzhu Qin
- School of Environment and Ecology, Jiangsu Open University, Nanjing, China
| | - Chao Zeng
- The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
- *Correspondence: Xiamin Cheng, ; Chao Zeng, ; Yongna Lu,
| | - Yongna Lu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University (Nanjing Tech), Nanjing, China
- *Correspondence: Xiamin Cheng, ; Chao Zeng, ; Yongna Lu,
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Lombardo D, Kiselev MA. Methods of Liposomes Preparation: Formation and Control Factors of Versatile Nanocarriers for Biomedical and Nanomedicine Application. Pharmaceutics 2022; 14:pharmaceutics14030543. [PMID: 35335920 PMCID: PMC8955843 DOI: 10.3390/pharmaceutics14030543] [Citation(s) in RCA: 100] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 02/21/2022] [Accepted: 02/24/2022] [Indexed: 12/13/2022] Open
Abstract
Liposomes are nano-sized spherical vesicles composed of an aqueous core surrounded by one (or more) phospholipid bilayer shells. Owing to their high biocompatibility, chemical composition variability, and ease of preparation, as well as their large variety of structural properties, liposomes have been employed in a large variety of nanomedicine and biomedical applications, including nanocarriers for drug delivery, in nutraceutical fields, for immunoassays, clinical diagnostics, tissue engineering, and theranostics formulations. Particularly important is the role of liposomes in drug-delivery applications, as they improve the performance of the encapsulated drugs, reducing side effects and toxicity by enhancing its in vitro- and in vivo-controlled delivery and activity. These applications stimulated a great effort for the scale-up of the formation processes in view of suitable industrial development. Despite the improvements of conventional approaches and the development of novel routes of liposome preparation, their intrinsic sensitivity to mechanical and chemical actions is responsible for some critical issues connected with a limited colloidal stability and reduced entrapment efficiency of cargo molecules. This article analyzes the main features of the formation and fabrication techniques of liposome nanocarriers, with a special focus on the structure, parameters, and the critical factors that influence the development of a suitable and stable formulation. Recent developments and new methods for liposome preparation are also discussed, with the objective of updating the reader and providing future directions for research and development.
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Affiliation(s)
- Domenico Lombardo
- Consiglio Nazionale delle Ricerche, Istituto per i Processi Chimico-Fisici, 98158 Messina, Italy
- Correspondence: ; Tel.: +39-090-39762222
| | - Mikhail A. Kiselev
- Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia;
- Department of Nuclear Physics, Dubna State University, 141980 Dubna, Moscow Region, Russia
- Physics Department, Lomonosov Moscow State University, 119991 Moscow, Moscow Region, Russia
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Gupta A, Reshma G B, Singh P, Kohli E, Sengupta S, Ganguli M. A Combination of Synthetic Molecules Acts as Antifreeze for the Protection of Skin against Cold-Induced Injuries. ACS APPLIED BIO MATERIALS 2022; 5:252-264. [PMID: 35014815 DOI: 10.1021/acsabm.1c01058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Seasonal and occupational exposure of the human body to extreme cold temperatures can result in cell death in the exposed area due to the formation of ice crystals. This leads to superficial or deep burn injury and compromised functionality. Currently available therapeutics can be ineffective in extreme cases, and thus, it is necessary to develop prophylactic strategies. In this study, we have devised a combination of known synthetic cryopreservative agents (termed SynAFP) and evaluated their potential antifreeze applications on skin. The prophylactic activity of SynAFP in vitro is indicated by improved cellular revival and cell viability, retention of the cytoskeleton, and normal cell cycle progression even after cold stress. A comprehensive whole-cell proteomic approach revealed that in the presence of SynAFP, cold-induced downregulation of proteins involved in cell-cell adhesion and upregulation of those related to mitochondrial stress were ameliorated. Pre-application of SynAFP in mice facing a frostbite challenge prevents their skin from incurring significant injury as confirmed through macroscopic and histological examination. Moreover, multiple applications of SynAFP on mouse skin at room temperature did not compromise skin integrity. SynAFP was also formulated in anAloe vera-based cream (referred to as fSynAFP), which offered similar protection under cold stress conditions. Thus, SynAFP can be considered as a potential candidate for formulating a topical intervention for protection from cold-induced injuries to skin.
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Affiliation(s)
- Aanchal Gupta
- CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi 110025, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Betsy Reshma G
- CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi 110025, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Praveen Singh
- CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi 110025, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ekta Kohli
- Neurobiology Division, DIPAS, DRDO, Lucknow Road, Timarpur, Delhi 110054, India
| | - Shantanu Sengupta
- CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi 110025, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Munia Ganguli
- CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi 110025, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Xu Z, Deng B, Wang X, Yu J, Xu Z, Liu P, Liu C, Cai Y, Wang F, Zong R, Chen Z, Xing H, Chen G. Nanofiber-mediated sequential photothermal antibacteria and macrophage polarization for healing MRSA-infected diabetic wounds. J Nanobiotechnology 2021; 19:404. [PMID: 34865643 PMCID: PMC8647563 DOI: 10.1186/s12951-021-01152-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 11/19/2021] [Indexed: 02/08/2023] Open
Abstract
Background Diabetic wound healing remains a challenge because of its susceptibility to drug-resistant bacterial infection and its persistent proinflammatory state. Switching from proinflammatory M1 macrophages (Mφs) to proregenerative M2 dominant Mφs in a timely manner accelerates wound healing by coordinating inflammatory, proliferative, and angiogenic processes. Methods We propose a sequential photothermal antibacterial and subsequent M2 Mφ polarization strategy based on nanofibers (NFs) consisting of polydopamine (PDA) coating on curcumin (Cur) nanocrystals to treat Methicillin-resistant Staphylococcus aureus (MRSA)-infected diabetic wounds. Results The PDA/Cur NFs showed excellent photothermal conversion and antibacterial effects due to the PDA shell under laser irradiation, consequently resulting in the release of the inner Cur with the ability to promote cell proliferation and reinforce the M2 Mφ phenotype in vitro. In vivo studies on MRSA-infected diabetic wounds showed that PDA/Cur NFs not only inhibited MRSA infection but also accelerated the wound regeneration process. Furthermore, the NFs displayed the ability to promote the M2 Mφ phenotype with enhanced collagen deposition, angiogenesis, and cell proliferation. Conclusion Overall, the NFs displayed great potential as promising therapeutics for healing infected diabetic wounds through a sequential photothermal antibacterial and M2 Mφ polarization strategy. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-021-01152-4.
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Affiliation(s)
- Zhou Xu
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Bin Deng
- Department of Gastroenterology, Affiliated Hospital, Yangzhou University, Yangzhou, 225009, China
| | - Xuewen Wang
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Jie Yu
- Department of Traditional Chinese Medicine, Affiliated Hospital, Yangzhou University, Yangzhou, 225009, China
| | - Zhuobin Xu
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, China
| | - Penggang Liu
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Caihong Liu
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Yuan Cai
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Fei Wang
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Rongling Zong
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Zhiling Chen
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Hua Xing
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Gang Chen
- Institute of Comparative Medicine, College of Veterinary Medicine, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China. .,School of Basic Medical Sciences, Xuzhou Medical University, Xuzhou, 221004, China.
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11
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Cai SS, Li T, Akinade T, Zhu Y, Leong KW. Drug delivery carriers with therapeutic functions. Adv Drug Deliv Rev 2021; 176:113884. [PMID: 34302897 PMCID: PMC8440421 DOI: 10.1016/j.addr.2021.113884] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 07/14/2021] [Accepted: 07/15/2021] [Indexed: 01/07/2023]
Abstract
Design of micro- or nanocarriers for drug delivery has primarily been focused on properties such as hydrophobicity, biodegradability, size, shape, surface charge, and toxicity, so that they can achieve optimal delivery with respect to drug loading, release kinetics, biodistribution, cellular uptake, and biocompatibility. Incorporation of stimulus-sensitive moieties into the carriers would lead to "smart" delivery systems. A further evolution would be to endow the carrier with a therapeutic function such that it no longer serves as a mere passive entity to release the drug at the target tissue but can be viewed as a therapeutic agent in itself. In this review, we will discuss recent and ongoing efforts over the past decade to design therapeutic drug carriers that confer a biological benefit, including ROS scavenging or generating, pro- or anti-inflammatory, and immuno-evasive properties, to enhance the overall therapeutic efficacy of the delivery systems.
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Affiliation(s)
- Shuting S. Cai
- Department of Biomedical Engineering, Columbia University, New York 10027, New York, United States
| | - Tianyu Li
- Department of Biomedical Engineering, Columbia University, New York 10027, New York, United States
| | - Tolulope Akinade
- Graduate Program in Cellular, Molecular and Biomedical Studies, Vagelos College of Physicians and Surgeons, Columbia University, New York 10027, New York, United States
| | - Yuefei Zhu
- Department of Biomedical Engineering, Columbia University, New York 10027, New York, United States
| | - Kam W. Leong
- Department of Biomedical Engineering, Columbia University, New York 10027, New York, United States,Department of Systems Biology, Columbia University, New York 10027, New York, United States,Corresponding author , Mailing address: 351 Engineering Terrace, Mail Code 8904, 1210 Amsterdam Avenue, New York, NY 10027
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Vaghasiya K, Ray E, Singh R, Jadhav K, Sharma A, Khan R, Katare OP, Verma RK. Efficient, enzyme responsive and tumor receptor targeting gelatin nanoparticles decorated with concanavalin-A for site-specific and controlled drug delivery for cancer therapy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 123:112027. [PMID: 33812642 DOI: 10.1016/j.msec.2021.112027] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 02/13/2021] [Accepted: 03/01/2021] [Indexed: 12/26/2022]
Abstract
The tumor targeting and stimuli responsiveness behavior of intelligent drug delivery systems imparts effective therapeutic delivery and decreases the toxicity of conventional chemotherapeutic agents in off-target organs. To achieve the receptor targeting and smart drug release, several strategies have been employed to engineer nano-carrier with stimulus sensitivity. In this work, mannose receptor-targeted and matrix metalloproteinase (MMP) responsive gelatin nanoparticles were developed and assessed for its receptor targeting and "on-demand" controlled drug delivery in lung cancer therapeutics. MMPs are protease enzymes and over-expressed in tumorous tissues in all the stages of cancer. The cancer cells also have over-expressed mannose receptors on the cell surface. The surface decoration of gelatin nanoparticles with concanavalin A (con-A) tends to bind with mannose moiety of cell surface glycoproteins which enhances the cancer cell-specific higher uptake of nanoparticles. Gelatin nanoparticles have attracted significant attraction in recent years as a potential drug carrier because of its good biocompatibility and versatile physicochemical properties desirable to deliver the drug. Cisplatin was complexed with the gelatin matrix (CG-NP) to evaluate stimuli responsiveness with the lung cancer cells and its release pattern. In this smart inhalable delivery system, cisplatin loaded gelatin nanoparticles were surface decorated with con-A (CCG-NP). In tumorous cells, con-A coating is expected to enhance mannose receptor-specific cellular internalization of CCG-NP, and subsequently high level of MMP in tumor tissues would help to release cisplatin in response and ensures controlled drug release. The synthesized CCG-NP has shown enzyme triggered drug release and favorable endocytosis after incubation of 12 h compare to uncoated nanoparticles. The efficacy of CCG-NP significantly increased in presence of MMP-2 enzyme in lung cancer cell line A549 cells. It also significantly enhanced reactive oxygen species generation, cell cycle arrest in S and G2/M phase, and apoptosis in cancer cells. Therefore, inhalable CCG-NP promises a pragmatic approach to construct a receptor targeting and an "on-demand" drug delivery system to efficiently deliver the drug at the tumor site only.
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Affiliation(s)
- Kalpesh Vaghasiya
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali, Punjab 160062, India; University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
| | - Eupa Ray
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali, Punjab 160062, India; University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
| | - Raghuraj Singh
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali, Punjab 160062, India
| | - Krishna Jadhav
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali, Punjab 160062, India
| | - Ankur Sharma
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali, Punjab 160062, India
| | - Rehan Khan
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali, Punjab 160062, India
| | - Om Prakash Katare
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India.
| | - Rahul Kumar Verma
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali, Punjab 160062, India.
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Jacob J, Sukumaran NP, Jude S. Fiber-Reinforced-Phospholipid Vehicle-Based Delivery of l-Ascorbic Acid: Development, Characterization, ADMET Profiling, and Efficacy by a Randomized, Single-Dose, Crossover Oral Bioavailability Study. ACS OMEGA 2021; 6:5560-5568. [PMID: 33681596 PMCID: PMC7931380 DOI: 10.1021/acsomega.0c05963] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 02/08/2021] [Indexed: 05/15/2023]
Abstract
l-ascorbic acid (AA) or vitamin C is a crucial nutrient needed for optimal health. However, being unable to be synthesized by the body, it is thus necessary to be included in health care products. Moreover, AA is one of the antioxidants that occur naturally, which is used in pharmaceutical and food products as an antioxidant additive. However, AA is vulnerable to environmental settings and undergoes oxidative degradation to dehydroascorbic acid and further to inactive products. Therefore, new research strategies and approaches are required to augment its stability. The objective of this study is to develop and characterize a fiber-reinforced-phospholipid (FRP) matrix-based vehicle, Zeal-AA, for the delivery of AA and optimize the oral bioavailability of the obtained AA powder using an efficacy study by open-label, randomized, single-dose, two-treatment, two-sequence, two-period, two-way crossover. The structural and surface morphologies were analyzed by Fourier transform infrared spectroscopy, transmission electron microscopy, scanning electron microscopy, and differential scanning calorimetry studies. Encapsulation efficiency, mean particle size, size distribution, ζ-potential measurements, and ADMET profiling revealed the potential delivery system for AA. AUC0-t was found to be 55.23 (mg/dL) for Zeal-AA, whereas it was 9.38 (mg/dL) for AA, and C max was found to be 6.69 (mg/dL) for Zeal-AA, whereas it was 1.23 (mg/dL) for AA, with a fold difference of bioavailability in terms of AUC found to be 5.9 fold. The results show that a single oral dose of Zeal-AA is capable of rising the AA levels in the body relative to the control up to 24 h.
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Affiliation(s)
- Joby Jacob
- R&D Centre, Aurea Biolabs
(P) Ltd., Kolenchery, 682311 Kerala, India
| | | | - Shintu Jude
- R&D Centre, Aurea Biolabs
(P) Ltd., Kolenchery, 682311 Kerala, India
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15
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Ahmad A, Vaghasiya K, Kumar A, Alam P, Raza SS, Verma RK, Khan R. Enema based therapy using liposomal formulation of low molecular weight heparin for treatment of active ulcerative colitis: New adjunct therapeutic opportunity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 121:111851. [PMID: 33579485 DOI: 10.1016/j.msec.2020.111851] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 12/04/2020] [Accepted: 12/28/2020] [Indexed: 02/07/2023]
Abstract
Ulcerative colitis (UC) is an idiopathic bowel disease involving chronic inflammation and ulcers in colon and implicates severe epithelial damage with disruption in colon homeostasis. Presently existing treatments possess serious concerns like off target effects and adverse reactions, drug inactivation, poor absorption and other complications resulting in poor bioavailability. In context of high risk of thrombotic events in UC patients, heparin can offer appreciable benefits in UC management due to its remarkable anti-coagulating properties, its ability to intervene inflammatory pathways and acceleration of wound healing process. However, oral administration of heparin being impractical due to harsh gastric acidic environment and heparin degradation, conventional heparin administration is done via intravenous route. Present study was designed to formulate, characterize and evaluate sustained release heparin formulation in mice model of experimental colitis. Heparin liposomes (HLp) were formulated by solvent evaporation and extrusion process and possessed hydrodynamic diameter of 242 ± 4.3 nm. Size, shape and surface morphology was confirmed by TEM, SEM and AFM micrographs while encapsulation efficiency and loading of heparin in optimized HLp were 59.61% and 12.27%, respectively. HLp enema administration ameliorated gross disease indices like body weight, colon length, stool consistency, fecal occult blood. Further, anti-inflammatory efficacy of HLp was established in histopathological analysis where HLp appreciably restored protective mucin layer, colon epithelial mucosal histoarchitecture and considerably attenuated mast cell infiltration in colon epithelia. Overall, results of this study indicate that HLp demonstrated an appreciable therapeutic efficacy in experimental colitis and these results are attributed to their ability to suppress inflammation.
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Affiliation(s)
- Anas Ahmad
- Institute of Nano Science and Technology, Habitat Centre, Phase 10, Sector 64, Mohali, Punjab 160062, India
| | - Kalpesh Vaghasiya
- Institute of Nano Science and Technology, Habitat Centre, Phase 10, Sector 64, Mohali, Punjab 160062, India
| | - Ajay Kumar
- Institute of Nano Science and Technology, Habitat Centre, Phase 10, Sector 64, Mohali, Punjab 160062, India
| | - Pravej Alam
- Department of Biology, College of Sciences and Humanities, Prince Sattam bin Abdulaziz University, PO Box - 173, Alkharj 11942, Saudi Arabia
| | - Syed Shadab Raza
- Laboratory for Stem Cell & Restorative Neurology, Department of Biotechnology, Era's Lucknow Medical College and Hospital, Sarfarazganj, Lucknow 226003, Uttar Pradesh, India; Department of Stem Cell Biology and Regenerative Medicine, Era University, Sarfarazganj, Lucknow 226003, Uttar Pradesh, India
| | - Rahul Kumar Verma
- Institute of Nano Science and Technology, Habitat Centre, Phase 10, Sector 64, Mohali, Punjab 160062, India.
| | - Rehan Khan
- Institute of Nano Science and Technology, Habitat Centre, Phase 10, Sector 64, Mohali, Punjab 160062, India.
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16
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Joshi K, Goyary D, Mazumder B, Chattopadhyay P, Chakraborty R, Bhutia YD, Karmakar S, Dwivedi SK. Frostbite: Current status and advancements in therapeutics. J Therm Biol 2020; 93:102716. [PMID: 33077129 DOI: 10.1016/j.jtherbio.2020.102716] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 01/02/2023]
Abstract
Frostbite is a severe ischemic injury which occurs due to the tissue vascular damage after sub-zero temperature tissue exposure. Deep frostbite can result in necrosis and may need amputation of affected tissue. Though a serious injury, it is not very well understood, and further scientific exploration is needed. This work explores the current understanding of the pathophysiology of frostbite. We reviewed the current status of the diagnostics, the drugs, the therapies and the surgical practices for prevention and management of frostbite. Advances in nanotechnology and drug delivery had improved the therapeutic outcomes significantly. This review also explored the latest advancements and researches done for development of newer therapeutics and diagnostics for frostbite care.
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Affiliation(s)
- Kumud Joshi
- Division of Pharmaceutical Technology, Defence Research Laboratory, Tezpur, Assam, India; Department of Pharmaceutical Sciences, Dibrugarh University, Assam, India
| | - Danswrang Goyary
- Division of Pharmaceutical Technology, Defence Research Laboratory, Tezpur, Assam, India.
| | - Bhaskar Mazumder
- Department of Pharmaceutical Sciences, Dibrugarh University, Assam, India
| | | | - Reshmi Chakraborty
- Division of Pharmaceutical Technology, Defence Research Laboratory, Tezpur, Assam, India
| | - Y D Bhutia
- Division of Pharmaceutical Technology, Defence Research Laboratory, Tezpur, Assam, India
| | - Sanjeev Karmakar
- Division of Pharmaceutical Technology, Defence Research Laboratory, Tezpur, Assam, India
| | - Sanjai Kumar Dwivedi
- Division of Pharmaceutical Technology, Defence Research Laboratory, Tezpur, Assam, India
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17
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Velásquez-Hernández MDJ, Astria E, Winkler S, Liang W, Wiltsche H, Poddar A, Shukla R, Prestwich G, Paderi J, Salcedo-Abraira P, Amenitsch H, Horcajada P, Doonan CJ, Falcaro P. Modulation of metal-azolate frameworks for the tunable release of encapsulated glycosaminoglycans. Chem Sci 2020; 11:10835-10843. [PMID: 34094337 PMCID: PMC8162298 DOI: 10.1039/d0sc01204a] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 07/11/2020] [Indexed: 11/21/2022] Open
Abstract
Glycosaminoglycans (GAGs) are biomacromolecules necessary for the regulation of different biological functions. In medicine, GAGs are important commercial therapeutics widely used for the treatment of thrombosis, inflammation, osteoarthritis and wound healing. However, protocols for the encapsulation of GAGs in MOFs carriers are not yet available. Here, we successfully encapsulated GAG-based clinical drugs (heparin, hyaluronic acid, chondroitin sulfate, dermatan sulfate) and two new biotherapeutics in preclinical stage (GM-1111 and HepSYL proteoglycan) in three different pH-responsive metal-azolate frameworks (ZIF-8, ZIF-90, and MAF-7). The resultant GAG@MOF biocomposites present significant differences in terms of crystallinity, particle size, and spatial distribution of the cargo, which influences the drug-release kinetics upon applying an acidic stimulus. For a selected system, heparin@MOF, the released therapeutic retained its antithrombotic activity while the MOF shell effectively protects the drug from heparin lyase. By using different MOF shells, the present approach enables the preparation of GAG-based biocomposites with tunable properties such as encapsulation efficiency, protection and release.
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Affiliation(s)
| | - Efwita Astria
- Institute of Physical and Theoretical Chemistry, Graz University of Technology Stremayrgasse 9 Graz 8010 Austria
| | - Sarah Winkler
- Institute of Physical and Theoretical Chemistry, Graz University of Technology Stremayrgasse 9 Graz 8010 Austria
| | - Weibin Liang
- School of Physical Sciences, Faculty of Sciences, University of Adelaide South Australia 5005 Australia
| | - Helmar Wiltsche
- Institute of Analytical Chemistry and Food Chemistry, Graz University of Technology 8010 Graz Austria
| | - Arpita Poddar
- School of Science, Nanobiotechnology Research Laboratory (NBRL), RMIT University 3001 Melbourne Australia
| | - Ravi Shukla
- School of Science, Nanobiotechnology Research Laboratory (NBRL), RMIT University 3001 Melbourne Australia
| | - Glenn Prestwich
- The University of Utah, College of Pharmacy Salt Lake City Utah 84112-5820 USA
| | - John Paderi
- Symic. Bio, Inc. 1400 Pine St., #640505 San Francisco CA 94164 USA
| | - Pablo Salcedo-Abraira
- Advanced Porous Materials Unit (APMU), IMDEA Energy Avda. Ramón de la Sagra 3 E-28935 Móstoles Madrid Spain
| | - Heinz Amenitsch
- Institute of Inorganic Chemistry, Graz University of Technology 8010 Graz Austria
| | - Patricia Horcajada
- Advanced Porous Materials Unit (APMU), IMDEA Energy Avda. Ramón de la Sagra 3 E-28935 Móstoles Madrid Spain
| | - Christian J Doonan
- School of Physical Sciences, Faculty of Sciences, University of Adelaide South Australia 5005 Australia
| | - Paolo Falcaro
- Institute of Physical and Theoretical Chemistry, Graz University of Technology Stremayrgasse 9 Graz 8010 Austria
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18
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Vaghasiya K, Ray E, Sharma A, Katare OP, Verma RK. Matrix Metalloproteinase-Responsive Mesoporous Silica Nanoparticles Cloaked with Cleavable Protein for “Self-Actuating” On-Demand Controlled Drug Delivery for Cancer Therapy. ACS APPLIED BIO MATERIALS 2020; 3:4987-4999. [DOI: 10.1021/acsabm.0c00497] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Kalpesh Vaghasiya
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali 160062, India
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
| | - Eupa Ray
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali 160062, India
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
| | - Ankur Sharma
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali 160062, India
| | - Om Prakash Katare
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
| | - Rahul Kumar Verma
- Institute of Nano Science and Technology (INST), Phase X, Sector 64, Mohali 160062, India
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19
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Sharma A, Vaghasiya K, Ray E, Gupta P, Gupta UD, Singh AK, Verma RK. Targeted Pulmonary Delivery of the Green Tea Polyphenol Epigallocatechin Gallate Controls the Growth of Mycobacterium tuberculosis by Enhancing the Autophagy and Suppressing Bacterial Burden. ACS Biomater Sci Eng 2020; 6:4126-4140. [PMID: 33463343 DOI: 10.1021/acsbiomaterials.0c00823] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Growing rates of tuberculosis (TB) superbugs are alarming, which has hampered the progress made to-date to control this infectious disease, and new drug candidates are few. Epigallocatechin gallate (EGCG), a major polyphenolic compound from green tea extract, shows powerful efficacy against TB bacteria in in vitro studies. However, the therapeutic efficacy of the molecule is limited due to poor pharmacokinetics and low bioavailability following oral administration. Aiming to improve the treatment outcomes of EGCG therapy, we investigated whether encapsulation and pulmonary delivery of the molecule would allow the direct targeting of the site of infection without compromising the activity. Microencapsulation of EGCG was realized by scalable spray-freeze-drying (SFD) technology, forming free-flowing micrometer-sized microspheres (epigallocatechin-3-gallate-loaded trehalose microspheres, EGCG-t-MS) of trehalose sugar. These porous microspheres exhibited appropriate aerodynamic parameters and high encapsulation efficiencies. In vitro studies demonstrated that EGCG-t-MS exhibited dose- and time-dependent killing of TB bacteria inside mouse macrophages by cellular mechanisms of lysosome acidification and autophagy induction. In a preclinical study on TB-infected Balb/c mice model (4 weeks of infection), we demonstrate that the microencapsulated EGCG, administered 5 days/week for 6 weeks by pulmonary delivery, showed exceptional efficacy compared to oral treatment of free drug. This treatment approach exhibited therapeutic outcomes by resolution of inflammation in the infected lungs and significant reduction (P < 0.05) in bacterial burden (up to ∼2.54 Log10 CFU) compared to untreated control and orally treated mice groups. No pathological granulomas, lesions, and inflammation were observed in the histopathological investigation, compared to untreated controls. The encouraging results of the study may pave the avenues for future use of EGCG in TB therapeutics by targeted pulmonary delivery and lead to its translational success.
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Affiliation(s)
- Ankur Sharma
- Institute of Nano Science and Technology (INST), Phase-10, Sector-64, Mohali, Punjab-160062, India
| | - Kalpesh Vaghasiya
- Institute of Nano Science and Technology (INST), Phase-10, Sector-64, Mohali, Punjab-160062, India
| | - Eupa Ray
- Institute of Nano Science and Technology (INST), Phase-10, Sector-64, Mohali, Punjab-160062, India
| | - Pushpa Gupta
- National JALMA Institute for Leprosy and Other Mycobacterial Diseases (ICMR), Tajganj, Agra-282001, India
| | - Umesh Datta Gupta
- National JALMA Institute for Leprosy and Other Mycobacterial Diseases (ICMR), Tajganj, Agra-282001, India
| | - Amit Kumar Singh
- National JALMA Institute for Leprosy and Other Mycobacterial Diseases (ICMR), Tajganj, Agra-282001, India
| | - Rahul Kumar Verma
- Institute of Nano Science and Technology (INST), Phase-10, Sector-64, Mohali, Punjab-160062, India
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