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Khan MUA, Aslam MA, Abdullah MFB, Abdal-Hay A, Gao W, Xiao Y, Stojanović GM. Recent advances of bone tissue engineering: carbohydrate and ceramic materials, fundamental properties and advanced biofabrication strategies ‒ a comprehensive review. Biomed Mater 2024; 19:052005. [PMID: 39105493 DOI: 10.1088/1748-605x/ad6b8a] [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: 06/17/2024] [Accepted: 08/05/2024] [Indexed: 08/07/2024]
Abstract
Bone is a dynamic tissue that can always regenerate itself through remodeling to maintain biofunctionality. This tissue performs several vital physiological functions. However, bone scaffolds are required for critical-size damages and fractures, and these can be addressed by bone tissue engineering. Bone tissue engineering (BTE) has the potential to develop scaffolds for repairing critical-size damaged bone. BTE is a multidisciplinary engineered scaffold with the desired properties for repairing damaged bone tissue. Herein, we have provided an overview of the common carbohydrate polymers, fundamental structural, physicochemical, and biological properties, and fabrication techniques for bone tissue engineering. We also discussed advanced biofabrication strategies and provided the limitations and prospects by highlighting significant issues in bone tissue engineering. There are several review articles available on bone tissue engineering. However, we have provided a state-of-the-art review article that discussed recent progress and trends within the last 3-5 years by emphasizing challenges and future perspectives.
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Affiliation(s)
- Muhammad Umar Aslam Khan
- Department of Mechanical and Industrial Engineering, Qatar University, Doha 2713, Qatar
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
| | - Muhammad Azhar Aslam
- Department of Physics, University of Engineering and Technology, Lahore 39161, Pakistan
| | - Mohd Faizal Bin Abdullah
- Oral and Maxillofacial Surgery Unit, School of Dental Sciences Universiti Sains Malaysia, Health Campus, Kubang Kerian, Kota Bharu, Kelantan 16150, Malaysia
- Oral and Maxillofacial Surgery Unit, Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Health Campus, Kubang Kerian, Kota Bharu, Kelantan 16150, Malaysia
| | - Abdalla Abdal-Hay
- Department of Engineering Materials and Mechanical Design, Faculty of Engineering, South Valley University, Qena 83523, Egypt
- School of Dentistry, University of Queensland, 288 Herston Road, Herston QLD 4006, Australia
| | - Wendong Gao
- School of Medicine and Dentistry , Griffith University, Gold Coast Campus, Brisbane, Queensland 4222, Australia
| | - Yin Xiao
- School of Medicine and Dentistry , Griffith University, Gold Coast Campus, Brisbane, Queensland 4222, Australia
| | - Goran M Stojanović
- Faculty of Technical Sciences, University of Novi Sad, T. D. Obradovica 6, 21000 Novi Sad, Serbia
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2
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Wirzeberger D, Peleg-Evron O, Davidovich-Pinhas M, Bianco-Peled H. Controlled dissolution of physically cross-linked locust bean gum - κ-carrageenan hydrogels. Int J Biol Macromol 2024; 275:133353. [PMID: 38945714 DOI: 10.1016/j.ijbiomac.2024.133353] [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: 02/19/2024] [Revised: 06/15/2024] [Accepted: 06/20/2024] [Indexed: 07/02/2024]
Abstract
Most hydrogels swell but do not dissolve in water since their chains are tied to each other. Nevertheless, some hydrogels disintegrate under physiological conditions, a property that could be beneficial in emerging applications, including sacrificial materials, 3D bioprinting, and wound dressings. This paper proposes a novel approach to control the dissolution rate of hydrogels based on the integration of kappa carrageenan nanoparticles (KCAR-NPs) into kappa carrageenan (KCAR) and locust bean gum (LBG) hydrogels to obtain a three-component hybrid system. KCAR and LBG are known to have synergistic interactions, where physical interactions and chain entanglements lead to their gelation. We hypothesized that integrating the bulky nanoparticles would disturb the three-dimensional network formed by the polysaccharide chains and enable manipulating the dissolution rate. Compression, water absorption, rheology, and cryo-scanning electron microscopy measurements were performed to characterize the physical properties and structure of the hydrogels. The hybrid hydrogels displayed much faster dissolution rates than a control system without nanoparticles, which did not completely dissolve within 50 days and offered a cutting-edge means to finely adjust hydrogel dissolution through modulation of KCAR and KCAR-NPs concentrations. The new hydrogels also exhibited shear-thinning and self-healing properties resulting from the weak and reversible nature of the physical bonds.
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Affiliation(s)
- D Wirzeberger
- Department of Chemical Engineering, Technion - Israel Institute of Technology, Haifa 32000, Israel.
| | - O Peleg-Evron
- Department of Chemical Engineering, Technion - Israel Institute of Technology, Haifa 32000, Israel.
| | - M Davidovich-Pinhas
- Department of Biotechnology and Food Engineering, Technion - Israel Institute of Technology, Haifa 32000, Israel.
| | - H Bianco-Peled
- Department of Chemical Engineering, Technion - Israel Institute of Technology, Haifa 32000, Israel.
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Wu X, Xin Y, Zhang H, Quan L, Ao Q. Biopolymer-Based Nanomedicine for Cancer Therapy: Opportunities and Challenges. Int J Nanomedicine 2024; 19:7415-7471. [PMID: 39071502 PMCID: PMC11278852 DOI: 10.2147/ijn.s460047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 05/18/2024] [Indexed: 07/30/2024] Open
Abstract
Cancer, as the foremost challenge among human diseases, has plagued medical professionals for many years. While there have been numerous treatment approaches in clinical practice, they often cause additional harm to patients. The emergence of nanotechnology has brought new directions for cancer treatment, which can deliver anticancer drugs specifically to tumor areas. This article first introduces the application scenarios of nanotherapies and treatment strategies of nanomedicine. Then, the noteworthy characteristics exhibited by biopolymer materials were described, which make biopolymers stand out in polymeric nanomedicine delivery. Next, we focus on summarizing the state-of-art studies of five categories of proteins (Albumin, Gelatin, Silk fibroin, Zein, Ferritin), nine varieties of polysaccharides (Chitosan, Starch, Hyaluronic acid, Dextran, cellulose, Fucoidan, Carrageenan, Lignin, Pectin) and liposomes in the field of anticancer drug delivery. Finally, we also provide a summary of the advantages and limitations of these biopolymers, discuss the prevailing impediments to their application, and discuss in detail the prospective research directions. This review not only helps readers understand the current development status of nano anticancer drug delivery systems based on biopolymers, but also is helpful for readers to understand the properties of various biopolymers and find suitable solutions in this field through comparative reading.
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Affiliation(s)
- Xixi Wu
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial, & Institute of Regulatory Science for Medical Device, & National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, People’s Republic of China
| | - Yuan Xin
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial, & Institute of Regulatory Science for Medical Device, & National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, People’s Republic of China
| | - Hengtong Zhang
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial, & Institute of Regulatory Science for Medical Device, & National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, People’s Republic of China
| | - Liang Quan
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial, & Institute of Regulatory Science for Medical Device, & National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, People’s Republic of China
| | - Qiang Ao
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial, & Institute of Regulatory Science for Medical Device, & National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, People’s Republic of China
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Gao Z, Chen S, Huang J, Cai H. Real-time quantitative detection of hydrocolloid adulteration in meat based on Swin Transformer and smartphone. J Food Sci 2024; 89:4359-4371. [PMID: 38847748 DOI: 10.1111/1750-3841.17159] [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: 02/22/2024] [Revised: 04/30/2024] [Accepted: 05/21/2024] [Indexed: 07/04/2024]
Abstract
Hydrocolloids are widely used in meat products as common food additives. However, research has indicated that excessive consumption of these hydrocolloids may have potential health implications. Currently, consumers mainly rely on sensory evaluation to identify hydrocolloid adulteration in meat products. Although many studies on quantitative detection of hydrocolloids have been conducted by biochemical methods in laboratory environments, there is currently a lack of effective tools for consumers and regulators to obtain real-time and reliable information on hydrocolloid adulteration. To address this challenge, a smartphone-based computer vision method was developed to quantitatively detect carrageenan adulteration in beef in this work. Specifically, Swin Transformer models, along with pre-training and fine-tuning techniques, were used to successfully automate the classification of beef into nine different levels of carrageenan adulteration, ranging from 0% to 20%. Among the tested models, Swin-Tiny (Swin-T) achieved the highest trade-off performance, with a Top-1 accuracy of 0.997, a detection speed of 3.2 ms, and a model size of 103.45 Mb. Compared to computer vision, the electrochemical impedance spectroscopy achieved a lower accuracy of 0.792 and required a constant temperature environment and a waiting time of around 30 min for data stabilization. In addition, Swin-T model was also capable of distinguishing between different types of hydrocolloids with a Top-1 accuracy of 0.975. This study provides consumers and regulators with a valuable tool to obtain real-time quantitative information about meat adulteration anytime, anywhere. PRACTICAL APPLICATION: This research provides a practical solution for regulators and consumers to non-destructively and quantitatively detect the content and type of hydrocolloids in beef in real-time using smartphones. This innovation has the potential to significantly reduce the costs associated with meat quality testing, such as the use of chemical reagents and expensive instruments.
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Affiliation(s)
- Zhenchang Gao
- Department of Physics, School of Science, Jimei University, Xiamen, Fujian Province, China
| | - Shanshan Chen
- College of Marine Equipment and Mechanical Engineering, Jimei University, Xiamen, Fujian Province, China
| | - Jinxian Huang
- Department of Physics, School of Science, Jimei University, Xiamen, Fujian Province, China
| | - Honghao Cai
- Department of Physics, School of Science, Jimei University, Xiamen, Fujian Province, China
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Zhou T, Li X. Chemically modified seaweed polysaccharides: Improved functional and biological properties and prospective in food applications. Compr Rev Food Sci Food Saf 2024; 23:e13396. [PMID: 38925601 DOI: 10.1111/1541-4337.13396] [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: 01/08/2024] [Revised: 05/14/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024]
Abstract
Seaweed polysaccharides are natural biomacromolecules with unique physicochemical properties (e.g., good gelling, emulsifying, and film-forming properties) and diverse biological activities (e.g., anticoagulant, antioxidant, immunoregulatory, and antitumor effects). Furthermore, they are nontoxic, biocompatible and biodegradable, and abundant in resources. Therefore, they have been widely utilized in food, cosmetics, and pharmaceutical industries. However, their properties and bioactivities sometimes are not satisfactory for some purposes. Modification of polysaccharides can impart the amphiphilicity and new functions to the biopolymers and change the structure and conformation, thus effectively improving their functional properties and biological activities so as to meet the requirement for targeted applications. This review outlined the modification methods of representative red algae polysaccharides (carrageenan and agar), brown algae polysaccharides (fucoidan, alginate, and laminaran), and green algae polysaccharides (ulvan) that have potential food applications, including etherification, esterification, degradation, sulfation, phosphorylation, selenylation, and so on. The improved functional properties and bioactivities of the modified seaweed polysaccharides and their potential food applications are also summarized.
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Affiliation(s)
- Tao Zhou
- Key Laboratory for Food Microbial Technology of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, P. R. China
| | - Xinyue Li
- Key Laboratory for Food Microbial Technology of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, P. R. China
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Kimilu N, Gładyś-Cieszyńska K, Pieszko M, Mańkowska-Wierzbicka D, Folwarski M. Carrageenan in the Diet: Friend or Foe for Inflammatory Bowel Disease? Nutrients 2024; 16:1780. [PMID: 38892712 PMCID: PMC11174395 DOI: 10.3390/nu16111780] [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: 05/13/2024] [Revised: 05/31/2024] [Accepted: 06/04/2024] [Indexed: 06/21/2024] Open
Abstract
While the exact pathogenesis of IBD remains unclear, genetic, environmental and nutritional factors as well as the composition of the gut microbiome play crucial roles. Food additives, which are increasingly consumed in the Western diet, are being investigated for their potential effects on IBD. These additives can affect gut health by altering the composition of the microbiota, immune responses, and intestinal permeability, contributing to autoimmune diseases and inflammation. Despite the growing number of studies on food additives and IBD, the specific effects of carrageenan have not yet been sufficiently researched. This review addresses this gap by critically analyzing recent studies on the effects of carrageenan on the gut microbiota, intestinal permeability, and inflammatory processes. We searched the MEDLINE and SCOPUS databases using the following terms: carrageenan, carrageenan and inflammatory bowel disease, carrageenan and cancer, food additives and microbiome, food additives and intestinal permeability, and food additives and autoimmune diseases. In animal studies, degraded carrageenan has been shown to trigger intestinal ulceration and inflammation, highlighting its potential risk for exacerbating IBD. It can affect the gut microbiota, reduce bacterial diversity, and increase intestinal permeability, contributing to "leaky gut" syndrome. Some studies suggest that carrageenan may inhibit the growth of cancer cells by influencing the progression of the cell cycle, but the anti-cancer effect is still unclear. Carrageenan may also increase glucose intolerance and insulin resistance. Further research is needed to determine whether carrageenan should be excluded from the diet of individuals with IBD.
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Affiliation(s)
- Nina Kimilu
- Students’ Scientific Circle of Clinical Nutrition, Medical University of Gdansk, 80-211 Gdansk, Poland
| | | | - Magdalena Pieszko
- Department of Clinical Nutrition and Dietetics, Medical University of Gdansk, 80-210 Gdansk, Poland (M.P.)
| | - Dorota Mańkowska-Wierzbicka
- Department of Gastroenterology, Dietetics and Internal Diseases, Poznan University of Medical Sciences, 60-355 Poznan, Poland
| | - Marcin Folwarski
- Department of Clinical Nutrition and Dietetics, Medical University of Gdansk, 80-210 Gdansk, Poland (M.P.)
- Home Enteral and Parenteral Nutrition Unit, Nicolaus Copernicus Hospital, 80-803 Gdansk, Poland
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Song J, Li J, Zhong J, Guo Z, Xu J, Chen X, Qiu M, Lin J, Han L, Zhang D. An oral gel suitable for swallowing: The effect of micronization on the gel properties and microstructure of κ-carrageenan. Int J Biol Macromol 2024; 271:132708. [PMID: 38815948 DOI: 10.1016/j.ijbiomac.2024.132708] [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: 02/20/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/01/2024]
Abstract
κ-Carrageenan (κ-Car) is an important material for preparing food gels and hydrogels. However, κ-Car gel has issues with high hardness and low water-holding capacity. Modification strategy of micronization is proposed for the first time to explore its influence on texture properties and gelling process of κ-Car gel, and to investigate the feasibility of κ-Car as a food matrix with low strength. κ-Car undergoing 60 min of micronization, the d(0.9) decreased by 79.33 %, SBET and Vtotal increased by 89.23 % and 95.27 %. The swelling rate and degree of gelling process increased significantly, and the microstructure changed from loose large pores to dense small pores resembling a "honeycomb". Importantly, the hardness of gel-60, Milk-60 and PNS-60 decreased by 72.52 %, 49.25 % and 81.37 %. In addition, WHC of gel-60, Milk-60 and PNS-60 was improved. IDDSI tests showed that κ-Car gels, milk gels and PNS gels can be categorized as level 6 (soft and bite-sized), except for PNS-60, which belongs to level 5 (crumbly and moist). Furthermore, the texture and bitter masking effect of milk gels and PNS gels were improved. In conclusion, this study demonstrated that micronization can be a novel approach to improve the gel properties of κ-Car, laying the groundwork for developing dysphagia foods.
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Affiliation(s)
- Jiao Song
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy School, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Jiaxin Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy School, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Jingping Zhong
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy School, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Zhiping Guo
- Sichuan HouDe Pharmaceutical Technology Co., Ltd., Chengdu 611730, PR China
| | - Jia Xu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy School, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Xinglv Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy School, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Min Qiu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy School, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Junzhi Lin
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, PR China.
| | - Li Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy School, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China.
| | - Dingkun Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy School, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China; Sichuan Provincial Engineering Research Center of Innovative Re-development of Famous Classical Formulas, Tianfu TCM Innovation Harbour, Chengdu University of Traditional Chinese Medicine, Pengzhou 611900, PR China.
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Prokopiuk V, Onishchenko A, Tryfonyuk L, Posokhov Y, Gorbach T, Kot Y, Kot K, Maksimchuk P, Nakonechna O, Tkachenko A. Marine Polysaccharides Carrageenans Enhance Eryptosis and Alter Lipid Order of Cell Membranes in Erythrocytes. Cell Biochem Biophys 2024; 82:747-766. [PMID: 38334853 DOI: 10.1007/s12013-024-01225-9] [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: 12/20/2023] [Accepted: 01/24/2024] [Indexed: 02/10/2024]
Abstract
Aim In the current study, hemocompatibility of three major commercially available types of carrageenans (ι, κ and λ) was investigated focusing on eryptosis. MATERIALS AND METHODS Carrageenans of ι-, κ- and λ-types were incubated with washed erythrocytes (hematocrit 0.4%) at 0-1-5-10 g/L for either 24 h or 48 h. Incubation was followed by flow cytometry-based quantitative analysis of eryptosis parameters, including cell volume, cell membrane scrambling and reactive oxygen species (ROS) production, lipid peroxidation markers and confocal microscopy-based evaluation of intracellular Ca2+ levels, assessment of lipid order in cell membranes and the glutathione antioxidant system. Confocal microscopy was used to assess carrageenan cellular internalization using rhodamine B isothiocyanate-conjugated carrageenans. RESULTS All three types of carrageenans were found to trigger eryptosis. Pro-eryptotic properties were type-dependent and λ-carrageenan had the strongest impact inducing phosphatidylserine membrane asymmetry, changes in cell volume, Ca2+ signaling and oxidative stress characterized by ROS overproduction, activation of lipid peroxidation and severe glutathione system depletion. Eryptosis induction by carrageenans does not require their uptake by erythrocytes. Changes in physicochemical properties of cell membrane were also type-dependent. No carrageenan-induced generation of superoxide and hydroxyl radicals was observed in cell-free milieu. CONCLUSIONS Our findings suggest that ι-, κ- and λ-types trigger eryptosis in a type-dependent manner and indicate that carrageenans can be further investigated as potential eryptosis-regulating therapeutic agents.
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Affiliation(s)
- Volodymyr Prokopiuk
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, 4 Nauky ave, 61022, Kharkiv, Ukraine
- Department of Cryobiochemistry, Institute for Problems of Cryobiology and Cryomedicine of the National Academy of Sciences of Ukraine, Kharkiv, 61015, Ukraine
| | - Anatolii Onishchenko
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, 4 Nauky ave, 61022, Kharkiv, Ukraine
| | - Liliya Tryfonyuk
- Institute of Health, National University of Water and Environmental Engineering, 11 Soborna st, 33000, Rivne, Ukraine
| | - Yevgen Posokhov
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, 4 Nauky ave, 61022, Kharkiv, Ukraine
- Department of Organic Chemistry, Biochemistry, Paints and Coatings, The National Technical University "Kharkiv Polytechnic Institute", 2 Kyrpychova st, 61000, Kharkiv, Ukraine
| | - Tetyana Gorbach
- Department of Biochemistry, Kharkiv National Medical University, 4 Nauky ave., 61022, Kharkiv, Ukraine
| | - Yurii Kot
- Department of Biochemistry, V. N. Karazin Kharkiv National University, 4 Svobody sq., 61022, Kharkiv, Ukraine
| | - Kateryna Kot
- Department of Biochemistry, V. N. Karazin Kharkiv National University, 4 Svobody sq., 61022, Kharkiv, Ukraine
| | - Pavel Maksimchuk
- Institute for Scintillation Materials, National Academy of Sciences of Ukraine, 60 Nauky ave, 61072, Kharkiv, Ukraine
| | - Oksana Nakonechna
- Department of Biochemistry, Kharkiv National Medical University, 4 Nauky ave., 61022, Kharkiv, Ukraine
| | - Anton Tkachenko
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, 4 Nauky ave, 61022, Kharkiv, Ukraine.
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Huang H, Wang Q, Ning Z, Ma Y, Huang Y, Wu Y, Yang Y, Xiao M, Ye J. Preparation, antibacterial activity, and structure-activity relationship of low molecular weight κ-carrageenan. Int J Biol Macromol 2024; 266:131021. [PMID: 38522689 DOI: 10.1016/j.ijbiomac.2024.131021] [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: 10/19/2023] [Revised: 02/29/2024] [Accepted: 03/18/2024] [Indexed: 03/26/2024]
Abstract
κ-Carrageenan (KC) is a polysaccharide widely used in food industry. It has been widely studied for its excellent physicochemical and beneficial properties. However, the high molecular weight and high viscosity of KC make it difficult to be absorbed and to exert its' biological activities, thus limit its extensive industrial application. In order to solve this problem, five low molecular weight κ-carrageenans (DCPs) were prepared by the degradation of KC using hydrogen peroxide (H2O2) and ascorbic acid (AH2). The chemical compositions and structure characteristics of the DCPs were then determined. The results showed that H2O2 and AH2 could effectively degrade KC to DCPs, and DCPs remained the basic skeletal structure of KC. DCPs showed good antibacterial activities against Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa and Bacillus subtilis. The Minimum Inhibitory Concentration (MIC) of DCPs with the highest antibacterial effects were 5.25, 4.5, 5.25, and 4.5 mg/mL, respectively. This is due to the underlying mechanism of DCPs that bind to the bacterial membrane proteins and change the membrane permeability, thus exerting antibacterial activity. In addition, Spearman's rank correlation and Ridge regression analysis revealed that the molecular weight and the contents of 3,6-anhydro-D-galactose, aldehyde group, carboxyl, and sulfate were the main structural characteristics affecting the antibacterial activity. Our findings reveal that the H2O2-AH2 degradation treatment could significantly improve the antibacterial activity of KC and provide insights into the quantitative structure-activity relationships of the antibacterial activity of DCPs.
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Affiliation(s)
- Haibing Huang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
| | - Qing Wang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
| | - Zichen Ning
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
| | - Yake Ma
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
| | - Yayan Huang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Yaqing Wu
- Instrumental Analysis Center of Huaqiao University, Xiamen 361021, China
| | - Yucheng Yang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Meitian Xiao
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Jing Ye
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China.
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10
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Wang J, Zhu K, Zhang M, Zhou Q, Ji W, Yao Z, Li D. Pharmacokinetics, tissue distribution, and subacute toxicity of oral carrageenan in mice. Int J Biol Macromol 2024; 266:130725. [PMID: 38490394 DOI: 10.1016/j.ijbiomac.2024.130725] [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: 07/27/2023] [Revised: 02/28/2024] [Accepted: 03/06/2024] [Indexed: 03/17/2024]
Abstract
Carrageenan (CGN) is a typical sulfated polysaccharide widely applied in the food and pharmaceutical industries. Its in vivo behavior plays vital roles in understanding structural and biological functional relationships. The lack of UV chromophores in highly sulfated polysaccharides presents a challenge for their in vivo behavior studies. Therefore, this study aimed to develop a fast and effective quantitative fluorescence method for investigating the pharmacokinetics and tissue distribution of CGN. Fluorescence isothiocyanate labeling of CGN (FCGN) and microplate reader-based measurements were developed and validated to study its pharmacokinetics. These results showed that the FCGN concentration peaked at 3 h, the mean residence time was 36.6 h, and the clearance rate was 0.1 L/h/kg. Most of the FCGN was excreted in the feces, while 9.2 % was excreted in the urine, suggesting absorption and metabolism. The pharmacokinetic parameters indicated that the FCGN was absorbed quickly, eliminated slowly, and could remain in the body for a sustained profile. Moreover, ex vivo imaging and quantification of FCGN in tissues revealed that FCGN accumulated in the liver and kidney. Furthermore, oral administration of CGN or KOs for 14 days led to changes in liver and kidney indices. Histological analysis of significant organs revealed hepatocyte necrosis in the liver, renal tubular vacuolization in the kidney, and incomplete colonic epithelial cells. The KOs had a more significant effect on inflammatory cell infiltration than did CGNs. These in vivo findings laid the foundation for the study and application of CGN in food and pharmaceutical applications.
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Affiliation(s)
- Jiahui Wang
- College of Pharmaceutical Science, Soochow University, Suzhou 215123, PR China
| | - Kehan Zhu
- College of Pharmaceutical Science, Soochow University, Suzhou 215123, PR China
| | - Miaomiao Zhang
- College of Pharmaceutical Science, Soochow University, Suzhou 215123, PR China
| | - Qian Zhou
- College of Pharmaceutical Science, Soochow University, Suzhou 215123, PR China
| | - Wen Ji
- College of Pharmaceutical Science, Soochow University, Suzhou 215123, PR China
| | - Zhen Yao
- College of Pharmaceutical Science, Soochow University, Suzhou 215123, PR China
| | - Duxin Li
- College of Pharmaceutical Science, Soochow University, Suzhou 215123, PR China.
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Das IJ, Bal T. Exploring carrageenan: From seaweed to biomedicine-A comprehensive review. Int J Biol Macromol 2024; 268:131822. [PMID: 38677668 DOI: 10.1016/j.ijbiomac.2024.131822] [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: 01/15/2024] [Revised: 04/04/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024]
Abstract
Biomaterials are pivotal in the realms of tissue engineering, regenerative medicine, and drug delivery and serve as fundamental building blocks. Within this dynamic landscape, polymeric biomaterials emerge as the frontrunners, offering unparalleled versatility across physical, chemical, and biological domains. Natural polymers, in particular, captivate attention for their inherent bioactivity. Among these, carrageenan (CRG), extracted from red seaweeds, stands out as a naturally occurring polysaccharide with immense potential in various biomedical applications. CRG boasts a unique array of properties, encompassing antiviral, antibacterial, immunomodulatory, antihyperlipidemic, antioxidant, and antitumor attributes, positioning it as an attractive choice for cutting-edge research in drug delivery, wound healing, and tissue regeneration. This comprehensive review encapsulates the multifaceted properties of CRG, shedding light on the chemical modifications that it undergoes. Additionally, it spotlights pioneering research that harnesses the potential of CRG to craft scaffolds and drug delivery systems, offering high efficacy in the realms of tissue repair and disease intervention. In essence, this review celebrates the remarkable versatility of CRG and its transformative role in advancing biomedical solutions.
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Affiliation(s)
- Itishree Jogamaya Das
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi 835215, India
| | - Trishna Bal
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi 835215, India.
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12
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Wang Y, Gu Z, Dong J, Zhu J, Liu C, Li G, Lu M, Han J, Cao S, Wang W. Fluorescent imaging and toxicology study of alga-derived carbon dots in zebrafish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 273:116122. [PMID: 38402794 DOI: 10.1016/j.ecoenv.2024.116122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/16/2024] [Accepted: 02/18/2024] [Indexed: 02/27/2024]
Abstract
With the widespread application of carbon dots (CDs) in fluorescence imaging, their toxicity has become a focal point of concern. The potential toxicity of CDs synthesized from different raw materials remains an unresolved issue. Laver and wakame, which are commonly popular sea vegetable foods rich in nutrients, were utilized to investigate whether synthetic CDs derived from these alga sources retain medicinal value. Herein, two types of fluorescent alga-derived CDs were prepared through hydrothermal synthesis using laver and wakame respectively. Zebrafish were immersed in both types of CDs to observe their fluorescence imaging effects within the zebrafish bodies. It was observed that laver-derived CDs and wakame-derived CDs exhibited similar luminescence properties but differed in terms of fish egg imaging localization. Additionally, intestinal flora sequencing revealed varying degrees of influence on the zebrafish gut microbiota by the two types of CDs, suggesting that both alga-derived CDs could enhance the abundance of intestinal flora in zebrafish.
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Affiliation(s)
- Yue Wang
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian 116023, China
| | - Zhizhi Gu
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian 116023, China.
| | - Jingyi Dong
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian 116023, China
| | - Jie Zhu
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian 116023, China
| | - Cunguang Liu
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian 116023, China
| | - Guohan Li
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian 116023, China
| | - Meichen Lu
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian 116023, China
| | - Jian Han
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian 116023, China
| | - Shengnan Cao
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian 116023, China
| | - Wei Wang
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian 116023, China.
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13
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Sharma R, Chandra Nath P, Kumar Hazarika T, Ojha A, Kumar Nayak P, Sridhar K. Recent advances in 3D printing properties of natural food gels: Application of innovative food additives. Food Chem 2024; 432:137196. [PMID: 37659329 DOI: 10.1016/j.foodchem.2023.137196] [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: 05/03/2023] [Revised: 07/17/2023] [Accepted: 08/16/2023] [Indexed: 09/04/2023]
Abstract
Recent advances in 3D printing technology have provided a new avenue for food manufacturing. However, one challenge in 3D printing food is the limited availability of printable materials that can mimic the properties of real food. This review focused on the various 3DFP methodologies, as well as the reinforcement of natural food gel for improving printing features in 3D printed food. Also covered is the use of hydrogel-based 3D printing in the development of 3D printed food. Different 3D printing techniques can be employed to print hydrogel-based inks, each with its advantages and limitations. 3D printing of food using hydrogel-based inks has potential for customized food products development. In summary, the utilization of hydrogel-based inks in 3D printing offers a promising avenue for the development of customized food products. Although there are still challenges to overcome, such as improving the printability and mechanical properties of hydrogel-based inks, the potential benefits of this technology make it an exciting area of research.
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Affiliation(s)
- Ramesh Sharma
- Department of Bio Engineering, National Institute of Technology Agartala, Jirania 799046, India
| | - Pinku Chandra Nath
- Department of Applied Biology, University of Science & Technology Meghalaya, Ri-Bhoi 793101, Meghalaya, India
| | - Tridip Kumar Hazarika
- Department of Horticulture, Aromatic and Medicinal Plants, Mizoram University, Aizawl 796004, India
| | - Amiya Ojha
- Department of Bio Engineering, National Institute of Technology Agartala, Jirania 799046, India
| | - Prakash Kumar Nayak
- Department of Food Engineering and Technology, Central Institute of Technology Kokrajhar, Kokrajhar 783370, India.
| | - Kandi Sridhar
- Department of Food Technology, Karpagam Academy of Higher Education (Deemed to be University), Coimbatore 641021, India.
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Žaimis U, Petronienė JJ, Dzedzickis A, Bučinskas V. Stretch Sensor: Development of Biodegradable Film. SENSORS (BASEL, SWITZERLAND) 2024; 24:683. [PMID: 38276377 PMCID: PMC10821183 DOI: 10.3390/s24020683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/11/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024]
Abstract
This article presents research on biodegradable stretch sensors produced using biological material. This sensor uses a piezoresistive effect to indicate stretch, which can be used for force measurement. In this work, an attempt was made to develop the composition of a sensitive material and to design a sensor. The biodegradable base was made from a κ-carrageenan compound mixed with Fe2O3 microparticles and glycerol. The influence of the weight fraction and iron oxide microparticles on the tensile strength and Young's modulus was experimentally investigated. Tensile test specimens consisted of 10-25% iron oxide microparticles of various sizes. The results showed that increasing the mass fraction of the reinforcement improved the Young's modulus compared to the pure sample and decreased the elongation percentage. The GF of the developed films varies from 0.67 to 10.47 depending on composition. In this paper, it was shown that the incorporation of appropriate amounts of Fe2O3 microparticles into κ-carrageenan can achieve dramatic improvements in mechanical properties, resulting in elongation of up to 10%. The developed sensors were experimentally tested, and their sensitivity, stability, and range were determined. Finally, conclusions were drawn on the results obtained.
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Affiliation(s)
- Uldis Žaimis
- Institute of Science and Innovative Technology, Liepaja University, LV-3401 Liepaja, Latvia
| | - Jūratė Jolanta Petronienė
- Department of Mechatronics, Robotics, and Digital Manufacturing, Vilnius Gediminas Technical University, LT-10105 Vilnius, Lithuania; (J.J.P.); (V.B.)
| | - Andrius Dzedzickis
- Department of Mechatronics, Robotics, and Digital Manufacturing, Vilnius Gediminas Technical University, LT-10105 Vilnius, Lithuania; (J.J.P.); (V.B.)
| | - Vytautas Bučinskas
- Department of Mechatronics, Robotics, and Digital Manufacturing, Vilnius Gediminas Technical University, LT-10105 Vilnius, Lithuania; (J.J.P.); (V.B.)
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Gao T, Wu X, Gao Y, Teng F, Li Y. Co-Delivery System of Vitamin B 12 and Vitamin E Using a Binary W/O/W Emulsion Based on Soybean Isolate Protein-Xanthan Gum/Carrageenan: Emulsification Properties, Rheological Properties, Structure, Stability, and Digestive Characteristics. Foods 2023; 12:4361. [PMID: 38231848 DOI: 10.3390/foods12234361] [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: 10/27/2023] [Revised: 11/24/2023] [Accepted: 11/27/2023] [Indexed: 01/19/2024] Open
Abstract
In this study, the soybean protein isolate (SPI)-xanthan gum (XG) or carrageenan (CA) W/O/W emulsions for the co-delivery of vitamin B12 and vitamin E were prepared. The effects of XG and CA concentrations on the physicochemical properties and digestive characteristics of the emulsions were also investigated. The addition of XG and CA improved the SPI aggregation and increased its electrostatic repulsion so that more SPI was adsorbed at the phase interface. The emulsifying activity index and emulsifying stability index increased to 24.09 (XG 0.4%) and 14.00 (CA 0.5%) and 151.08 (XG 0.4%) and 135.34 (CA 0.5%), respectively. The adsorbed protein content increased to 88.90% (XG 0.4%) and 88.23% (CA 0.5%), respectively. Moreover, the encapsulation efficiencies of vitamin B12 and vitamin E were increased to 86.72% (XG 0.4%) and 86.47 (CA 0.5%) and 86.31% (XG 0.4%) and 85.78% (CA 0.5%), respectively. The bioaccessibility of vitamin B12 and vitamin E increased to 73.53% (XG 0.4%) and 71.32% (CA 0.5%) and 68.86% (XG 0.4%) and 68.74% (CA 0.5%). The best properties of the emulsions were obtained at a 0.4% concentration of XG and 0.5% of CA. This study offers a novel system for delivering bioactive substances, which is favorable for the advancement of food with delivery capability in food processing.
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Affiliation(s)
- Tian Gao
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xixi Wu
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yiting Gao
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Fei Teng
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yang Li
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
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Zhu C, Mou M, Yang L, Jiang Z, Zheng M, Li Z, Hong T, Ni H, Li Q, Yang Y, Zhu Y. Enzymatic hydrolysates of κ-carrageenan by κ-carrageenase-CLEA immobilized on amine-modified ZIF-8 confer hypolipidemic activity in HepG2 cells. Int J Biol Macromol 2023; 252:126401. [PMID: 37597638 DOI: 10.1016/j.ijbiomac.2023.126401] [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: 04/11/2023] [Revised: 08/15/2023] [Accepted: 08/16/2023] [Indexed: 08/21/2023]
Abstract
κ-Carrageenase can degrade κ-carrageenan to produce bioactive κ-carrageenan oligosaccharides (KCOs) that have potential applications in pharmaceutical, food, agricultural, and cosmetics industries. Immobilized enzymes gain their popularity due to their good reusability, enhanced stability, and tunability. In this study, the previously characterized catalytic domain of Pseudoalteromonas purpurea κ-carrageenase was covalently immobilized on the synthesized amine-modified zeolitic imidazolate framework-8 nanoparticles with the formation of cross-linked enzyme aggregates, and the immobilized κ-carrageenase was further characterized. The immobilized κ-carrageenase demonstrated excellent pH stability and good reusability, and exhibited higher optimal reaction temperature, better thermostability, and extended storage stability compared with the free enzyme. The KCOs produced by the immobilized κ-carrageenase could significantly decrease the TC, TG, and LDL-C levels in HepG2 cells, increase the HDL-C level in HepG2 cells, and reduce the free fatty acids level in Caco-2 cells. Biochemical assays showed that the KCOs could activate AMPK activity, increase the ratios of p-AMPK/AMPK and p-ACC/ACC, and downregulate the expression of the lipid metabolism related proteins including SREBP1 and HMGCR in the hyperlipidemic HepG2 cells. This study provides a novel and effective method for immobilization of κ-carrageenase, and the KCOs produced by the immobilized enzyme could be a potential therapeutic agent to prevent hyperlipidemia.
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Affiliation(s)
- Chunhua Zhu
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China
| | - Mingjing Mou
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China
| | - Leilei Yang
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China
| | - Zedong Jiang
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering, Xiamen 361021, China; Research Center of Food Biotechnology of Xiamen City, Xiamen 361021, China
| | - Mingjing Zheng
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering, Xiamen 361021, China; Research Center of Food Biotechnology of Xiamen City, Xiamen 361021, China
| | - Zhipeng Li
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering, Xiamen 361021, China; Research Center of Food Biotechnology of Xiamen City, Xiamen 361021, China
| | - Tao Hong
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering, Xiamen 361021, China; Research Center of Food Biotechnology of Xiamen City, Xiamen 361021, China
| | - Hui Ni
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Xiamen Ocean Vocational College, Xiamen 361102, China
| | - Qingbiao Li
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering, Xiamen 361021, China; Research Center of Food Biotechnology of Xiamen City, Xiamen 361021, China
| | - Yuanfan Yang
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering, Xiamen 361021, China; Research Center of Food Biotechnology of Xiamen City, Xiamen 361021, China.
| | - Yanbing Zhu
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering, Xiamen 361021, China; Research Center of Food Biotechnology of Xiamen City, Xiamen 361021, China.
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17
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Deshkar S, Yeole P, Mahore J, Shinde A, Giram P. Polyelectrolyte-Complex-Based Hydrogel Inserts for Vaginal Delivery of Posaconazole and Probiotics. Gels 2023; 9:851. [PMID: 37998941 PMCID: PMC10670537 DOI: 10.3390/gels9110851] [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: 06/30/2023] [Revised: 08/01/2023] [Accepted: 10/24/2023] [Indexed: 11/25/2023] Open
Abstract
Worldwide, 40 to 50% of women suffer from reproductive tract infections. Most of these infections are mixed infections, are recurrent and difficult to treat with antimicrobials or antifungals alone. For symptomatic relief of infections, oral antimicrobial therapy must be combined with topical therapy. The purpose of this work is to optimize and develop a polyelectrolyte complex (PEC) of chitosan/anion for the formulation of posaconazole- and probiotic-loaded vaginal hydrogel inserts with prolonged release and significant mucoadhesion. PECs were prepared using chitosan as cationic and carrageenan, pectin and polycarbophil as anionic polymers via a lyophilization technique. PEC formation was confirmed by scanning electron microscopy, Fourier transform infrared spectroscopy and differential scanning calorimetry, by observing changes in its surface, physical and thermal properties. The probiotic, Lactobacillus casei, was added to the PEC during the lyophilization process and the effect on the probiotic viability was studied. The PECs were further compressed along with posaconazole to form hydrogel inserts and optimized using a 32 full-factorial design. The hydrogel inserts were assessed for swelling behavior, drug release, in vitro mucoadhesion and in vitro antifungal activity. The chitosan-pectin hydrogel insert demonstrated excellent mucoadhesion (1.25 N), sustained drug release (88.2 ± 2.4% in 8 h) and a swelling index of 154.7%. The efficacy of hydrogel inserts was evaluated using in vitro study with a co-culture of Lactobacillus casei and Candida albicans. This study revealed an increase in Lactobacilli casei count and a significant drop in the viable count of Candida albicans (4-log reduction in 24 h), indicating the effectiveness of hydrogel inserts in alleviating the fungal infection. Overall, our study demonstrated the potential of the hydrogel insert for preventing vaginal infection and restoring normal vaginal microbiota.
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Affiliation(s)
- Sanjeevani Deshkar
- Department of Pharmaceutics, Dr. D. Y. Patil Unitech Society’s, Dr. D. Y. Patil Institute of Pharmaceutical Science & Research, Pune 411018, India; (P.Y.); (J.M.); (A.S.)
| | - Purva Yeole
- Department of Pharmaceutics, Dr. D. Y. Patil Unitech Society’s, Dr. D. Y. Patil Institute of Pharmaceutical Science & Research, Pune 411018, India; (P.Y.); (J.M.); (A.S.)
| | - Jayashri Mahore
- Department of Pharmaceutics, Dr. D. Y. Patil Unitech Society’s, Dr. D. Y. Patil Institute of Pharmaceutical Science & Research, Pune 411018, India; (P.Y.); (J.M.); (A.S.)
| | - Ankita Shinde
- Department of Pharmaceutics, Dr. D. Y. Patil Unitech Society’s, Dr. D. Y. Patil Institute of Pharmaceutical Science & Research, Pune 411018, India; (P.Y.); (J.M.); (A.S.)
| | - Prabhanjan Giram
- Department of Pharmaceutics, Dr. D. Y. Patil Unitech Society’s, Dr. D. Y. Patil Institute of Pharmaceutical Science & Research, Pune 411018, India; (P.Y.); (J.M.); (A.S.)
- Department of Pharmaceutical Sciences, The State University of New York, Buffalo, NY 14214, USA
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