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Chen Y, Chen B, Dong J, Yang D, Tang H, Wen L, Li J, Huang L, Zhou J. A tough and bioadhesive injectable hydrogel formed with maleimidyl alginate and pristine gelatin. Carbohydr Polym 2024; 334:122011. [PMID: 38553212 DOI: 10.1016/j.carbpol.2024.122011] [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: 11/17/2023] [Revised: 02/01/2024] [Accepted: 02/29/2024] [Indexed: 04/02/2024]
Abstract
Injectable hydrogels have wide applications in clinical practice. However, the development of tough and bioadhesive ones based on biopolymers, along with biofriendly and robust crosslinking strategies, still represents a great challenge. Herein, we report an injectable hydrogel composed of maleimidyl alginate and pristine gelatin, for which the precursor solutions could self-crosslink via mild Michael-type addition without any catalyst or external energy upon mixing. This hydrogel is tough and bioadhesive, which can maintain intactness as well as adherence to the defect of porcine skin under fierce bending and twisting, warm water bath, and boiling water shower. Besides, it is biocompatible, bioactive and biodegradable, which could support the growth and remodeling of cells by affording an extracellular matrix-like environment. As a proof of application, we demonstrate that this hydrogel could significantly accelerate diabetic skin wound healing, thereby holding great potential in healthcare.
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Affiliation(s)
- Yin Chen
- School of Biomedical Engineering, Guangzhou Medical University, Guangzhou 511436, China; School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, China
| | - Baiqi Chen
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, China
| | - Jianpei Dong
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, China
| | - Deyu Yang
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, China
| | - Hao Tang
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, China
| | - Lan Wen
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Jianshu Li
- School of Biomedical Engineering, Guangzhou Medical University, Guangzhou 511436, China; College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Lu Huang
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, China.
| | - Jianhua Zhou
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518107, China.
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Acevedo S, Covarrubias AA, Haeger P, Pancetti F, Tala F, de la Fuente-Ortega E. Alginate Oligosaccharides Protect Gastric Epithelial Cells against Oxidative Stress Damage through Induction of the Nrf2 Pathway. Antioxidants (Basel) 2024; 13:618. [PMID: 38790723 PMCID: PMC11117588 DOI: 10.3390/antiox13050618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 05/01/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Gastric diseases represent a significant global public health challenge, characterized by molecular dysregulation in redox homeostasis and heightened oxidative stress. Although prior preclinical studies have demonstrated the cytoprotective antioxidant effects of alginate oligosaccharides (AOSs) through the Nrf2 pathway, whether such mechanisms apply to gastric diseases remains unclear. In this study, we used the GES-1 gastric cell line exposed to hydrogen peroxide (H2O2) as a damage model to investigate the impact of AOS on cell viability and its associated mechanisms. Our results revealed that pre-incubation with AOS for either 4 h or 24 h significantly improved the viability of GES-1 cells exposed to H2O2. In addition, AOS reduced the intracellular ROS levels, activating the Nrf2 signaling pathway, with increased Nrf2 protein and mRNA expression and a significant upregulation of the target genes HO-1 and NQO1. The activation of Nrf2 was correlated with decreased Keap1 protein expression and an increased level of the autophagy protein p62/SQSTM1, suggesting the activation of Nrf2 through a noncanonical pathway. This study suggests that AOS is a potential treatment for protecting gastric epithelial cells from oxidative stress by activating the p62/SQSTM1-Keap1-Nrf2 axis and laying the foundation for future investigations about its specific therapeutic mechanisms.
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Affiliation(s)
- Samantha Acevedo
- Laboratorio de Estrés Celular y Enfermedades Crónicas no Transmisibles, Universidad Católica del Norte, Coquimbo 1781421, Chile;
| | - Alejandra A. Covarrubias
- Laboratorio de Neurotoxicología Ambiental, Departamento de Ciencias Biomédicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo 1781421, Chile
- Facultad de Ciencias Agropecuarias, Universidad del Alba, La Serena 1700000, Chile
| | - Paola Haeger
- Laboratorio de Neurobiología de la Conducta, Departamento de Ciencias Biomédicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo 1781421, Chile;
- Millennium Nucleus of Neuroepigenetics and Plasticity (EpiNeuro), Santiago 8370186, Chile
- Núcleo de Investigación en Prevención y Tratamiento de Enfermedades Crónicas no Transmisibles (NiPTEC), Universidad Católica del Norte, Coquimbo 1781421, Chile;
| | - Floria Pancetti
- Laboratorio de Neurotoxicología Ambiental, Departamento de Ciencias Biomédicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo 1781421, Chile
- Núcleo de Investigación en Prevención y Tratamiento de Enfermedades Crónicas no Transmisibles (NiPTEC), Universidad Católica del Norte, Coquimbo 1781421, Chile;
- Centro de Investigación y Desarrollo Tecnológico en Algas y Otros Recursos Biológicos (CIDTA), Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo 1781421, Chile
| | - Fadia Tala
- Núcleo de Investigación en Prevención y Tratamiento de Enfermedades Crónicas no Transmisibles (NiPTEC), Universidad Católica del Norte, Coquimbo 1781421, Chile;
- Centro de Investigación y Desarrollo Tecnológico en Algas y Otros Recursos Biológicos (CIDTA), Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo 1781421, Chile
- Departamento de Biología Marina, Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo 1781421, Chile
- Instituto Milenio en Socio-Ecología Costera, SECOS, Santiago 7550000, Chile
| | - Erwin de la Fuente-Ortega
- Laboratorio de Estrés Celular y Enfermedades Crónicas no Transmisibles, Universidad Católica del Norte, Coquimbo 1781421, Chile;
- Núcleo de Investigación en Prevención y Tratamiento de Enfermedades Crónicas no Transmisibles (NiPTEC), Universidad Católica del Norte, Coquimbo 1781421, Chile;
- Centro de Investigación y Desarrollo Tecnológico en Algas y Otros Recursos Biológicos (CIDTA), Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo 1781421, Chile
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Mohammed V, Arockiaraj J. Unveiling the trifecta of cyanobacterial quorum sensing: LuxI, LuxR and LuxS as the intricate machinery for harmful algal bloom formation in freshwater ecosystems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171644. [PMID: 38471587 DOI: 10.1016/j.scitotenv.2024.171644] [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: 06/28/2023] [Revised: 02/22/2024] [Accepted: 03/09/2024] [Indexed: 03/14/2024]
Abstract
Harmful algal blooms (HABs) are causing significant disruptions in freshwater ecosystems, primarily due to the proliferation of cyanobacteria. These blooms have a widespread impact on various lakes globally, leading to profound environmental and health consequences. Cyanobacteria, with their ability to produce diverse toxins, pose a particular concern as they negatively affect the well-being of humans and animals, exacerbating the situation. Notably, cyanobacteria utilize quorum sensing (QS) as a complex communication mechanism that facilitates coordinated growth and toxin production. QS plays a critical role in regulating the dynamics of HABs. However, recent advances in control and mitigation strategies have shown promising results in effectively managing and reducing the occurrence of HABs. This comprehensive review explores the intricate aspects of cyanobacteria development in freshwater ecosystems, explicitly focusing on deciphering the signaling molecules associated with QS and their corresponding genes. Furthermore, a concise overview of diverse measures implemented to efficiently control and mitigate the spread of these bacteria will be provided, shedding light on the ongoing global efforts to address this urgent environmental issue. By deepening our understanding of the mechanisms driving cyanobacteria growth and developing targeted control strategies, we hope to safeguard freshwater ecosystems and protect the health of humans and animals from the detrimental impacts of HABs.
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Affiliation(s)
- Vajagathali Mohammed
- Department of Forensic Science, Yenepoya Institute of Arts, Science, Commerce, and Management, Yenepoya (Deemed to be University), Mangaluru 575013, Karnataka, India
| | - Jesu Arockiaraj
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur 603203, Chengalpattu District, Tamil Nadu, India.
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Sharma S, Kishen A. Bioarchitectural Design of Bioactive Biopolymers: Structure-Function Paradigm for Diabetic Wound Healing. Biomimetics (Basel) 2024; 9:275. [PMID: 38786486 PMCID: PMC11117869 DOI: 10.3390/biomimetics9050275] [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: 04/04/2024] [Revised: 04/26/2024] [Accepted: 05/01/2024] [Indexed: 05/25/2024] Open
Abstract
Chronic wounds such as diabetic ulcers are a major complication in diabetes caused by hyperglycemia, prolonged inflammation, high oxidative stress, and bacterial bioburden. Bioactive biopolymers have been found to have a biological response in wound tissue microenvironments and are used for developing advanced tissue engineering strategies to enhance wound healing. These biopolymers possess innate bioactivity and are biodegradable, with favourable mechanical properties. However, their bioactivity is highly dependent on their structural properties, which need to be carefully considered while developing wound healing strategies. Biopolymers such as alginate, chitosan, hyaluronic acid, and collagen have previously been used in wound healing solutions but the modulation of structural/physico-chemical properties for differential bioactivity have not been the prime focus. Factors such as molecular weight, degree of polymerization, amino acid sequences, and hierarchical structures can have a spectrum of immunomodulatory, anti-bacterial, and anti-oxidant properties that could determine the fate of the wound. The current narrative review addresses the structure-function relationship in bioactive biopolymers for promoting healing in chronic wounds with emphasis on diabetic ulcers. This review highlights the need for characterization of the biopolymers under research while designing biomaterials to maximize the inherent bioactive potency for better tissue regeneration outcomes, especially in the context of diabetic ulcers.
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Affiliation(s)
- Shivam Sharma
- The Kishen Lab, Dental Research Institute, University of Toronto, Toronto, ON M5G 1G6, Canada;
- Faculty of Dentistry, University of Toronto, 124 Edward Street, Toronto, ON M5G 1G6, Canada
| | - Anil Kishen
- The Kishen Lab, Dental Research Institute, University of Toronto, Toronto, ON M5G 1G6, Canada;
- Faculty of Dentistry, University of Toronto, 124 Edward Street, Toronto, ON M5G 1G6, Canada
- Department of Dentistry, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada
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Huang MY, An YC, Zhang SY, Qiu SJ, Yang YY, Liu WC. Metabolomic analysis reveals biogenic selenium nanoparticles improve the meat quality of thigh muscle in heat-stressed broilers is related to the regulation of ferroptosis pathway. Poult Sci 2024; 103:103554. [PMID: 38401225 PMCID: PMC10906527 DOI: 10.1016/j.psj.2024.103554] [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: 11/13/2023] [Revised: 01/23/2024] [Accepted: 02/09/2024] [Indexed: 02/26/2024] Open
Abstract
Heat stress (HS) causes oxidative damage and abnormal metabolism of muscle, thus impairing the meat quality in broilers. Selenium is an indispensable element for enhancing antioxidant systems. In our previous study, we synthesized a novel type of biogenic selenium nanoparticles synthesized with alginate oligosaccharides (SeNPs-AOS), and found that the particle size of Se is 80 nm and the Se content is 8% in the SeNPs-AOS; and dietary 5 mg/kg SeNPs-AOS has been shown to be effective against HS in broilers. However, whether SeNPs-AOS can mitigate HS-induced the impairment of thigh muscle quality in broilers is still unclear. Therefore, the purpose of this study was to investigate the protective effects of dietary SeNPs-AOS on meat quality, antioxidant capacity, and metabolomics of thigh muscle in broilers under HS. A total of 192 twenty-one-day-old Arbor Acres broilers were randomly divided into 4 groups with 6 replicates per group (8 broilers per replicate) according to a 2 × 2 experimental design: thermoneutral group (TN, broilers raised under 23±1.5°C); TN+SeNPs-AOS group (TN group supplemented 5 mg/kg SeNPS-AOS); HS group (broilers raised under 33 ± 2°C for 10 h/d); and HS + SeNPs-AOS group (HS group supplemented 5 mg/kg SeNPS-AOS). The results showed that HS increased the freezing loss, cooking loss, and malondialdehyde (MDA) content of thigh muscle, whereas decreased the total superoxide dismutase (T-SOD), glutathione peroxidase (GSH-Px), and catalase (CAT) activities, as well as downregulated the mRNA expression of SOD2, CAT, GPX3, nuclear factor erythroid 2-related factor 2 (Nrf2), selenoprotein S (SELENOS), solute carrier family 7 member 11 (SLC7A11), GPX4, and ferroportin 1 (Fpn1) of thigh muscle (P < 0.05). Dietary SeNPS-AOS reduced the b* value, elevated the pH0min value and the activities of T-SOD, GSH-Px, glutathione S-transferase (GST) and the mRNA expression levels of GSTT1, GSTA3, GPX1, GPX3, ferritin heavy polypeptide-1 (FTH1), and Fpn1 of thigh muscle in broilers under HS (P < 0.05). Nontargeted metabolomics analysis identified a total of 79 metabolites with significant differences among the four groups, and the differential metabolites were mainly enriched in 8 metabolic pathways including glutathione metabolism and ferroptosis (P < 0.05). In summary, dietary 5 mg/kg SeNPs-AOS (Se content of 8%) could alleviate HS-induced impairment of meat quality by improving the oxidative damage, metabolic disorders and ferroptosis of thigh muscle in broilers challenged with HS. Suggesting that the SeNPs-AOS may be used as a novel nano-modifier for meat quality in broilers raised in thermal environment.
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Affiliation(s)
- Meng-Yi Huang
- Department of Animal Science, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang 524088, China
| | - Yu-Chen An
- Yangjiang Campus of Guangdong Ocean University, Yangjiang, 529500, China
| | - Shu-Yue Zhang
- Department of Animal Science, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang 524088, China
| | - Sheng-Jian Qiu
- Department of Animal Science, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang 524088, China
| | - Yu-Ying Yang
- Department of Animal Science, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang 524088, China
| | - Wen-Chao Liu
- Department of Animal Science, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang 524088, China.
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Chen C, Li X, Lu C, Zhou X, Chen L, Qiu C, Jin Z, Long J. Advances in alginate lyases and the potential application of enzymatic prepared alginate oligosaccharides: A mini review. Int J Biol Macromol 2024; 260:129506. [PMID: 38244735 DOI: 10.1016/j.ijbiomac.2024.129506] [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: 11/02/2023] [Revised: 01/04/2024] [Accepted: 01/12/2024] [Indexed: 01/22/2024]
Abstract
Alginate is mainly a linear polysaccharide composed of randomly arranged β-D-mannuronic acid and α-L-guluronic acid linked by α, β-(1,4)-glycosidic bonds. Alginate lyases degrade alginate mainly adopting a β-elimination mechanism, breaking the glycosidic bonds between the monomers and forming a double bond between the C4 and C5 sugar rings to produce alginate oligosaccharides consisting of 2-25 monomers, which have various physiological functions. Thus, it can be used for the continuous industrial production of alginate oligosaccharides with a specific degree of polymerization, in accordance with the requirements of green exploitation of marine resources. With the development of structural analysis, the quantity of characterized alginate lyase structures is progressively growing, leading to a concomitant improvement in understanding the catalytic mechanism. Additionally, the use of molecular modification methods including rational design, truncated expression of non-catalytic domains, and recombination of conserved domains can improve the catalytic properties of the original enzyme, enabling researchers to screen out the enzyme with the expected excellent performance with high success rate and less workload. This review presents the latest findings on the catalytic mechanism of alginate lyases and outlines the methods for molecular modifications. Moreover, it explores the connection between the degree of polymerization and the physiological functions of alginate oligosaccharides, providing a reference for enzymatic preparation development and utilization.
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Affiliation(s)
- Chen Chen
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Xingfei Li
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Cheng Lu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; School of Bioengineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Xing Zhou
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Long Chen
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Chao Qiu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Zhengyu Jin
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Jie Long
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China.
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Zhuang H, Xue P, Shao S, Zeng X, Yan S. In situ generation of hybrid alginate hydrogels for enhanced breast tumor ferrotherapy through multiplex magnifying redox imbalances. Int J Biol Macromol 2024; 258:128952. [PMID: 38143049 DOI: 10.1016/j.ijbiomac.2023.128952] [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: 08/27/2023] [Revised: 12/09/2023] [Accepted: 12/19/2023] [Indexed: 12/26/2023]
Abstract
Ferroptosis has drawn great attention to tumor treatments over the past decade. However, how to specifically boost tumoral redox imbalance by simultaneously superimposing iron-mediated reactive oxygen species and undermining antioxidative pathways at the tumor site is still a significant challenge in ferroptosis-based tumor ferrotherapy. In this study, we designed an in situ generable hydrogel that contains paclitaxel/chlorin e6-loaded iron-based metal-organic framework (Fe-MOF) nanoparticles for enhanced breast tumor ferrotherapy by multiplex magnifying redox imbalance. The polysaccharide sodium alginate can crosslink with tumoral calcium ions to generate a hydrogel patch, which promotes the retention of Fe-MOF and therapeutic molecules. The Fe-MOF holds peroxidase/glutathione oxidase mimicking properties, resulting in OH generation via the Fenton reaction and glutathione consumption. Local ultrasound treatment facilitates the release of therapeutics and stimulates the generation of signet oxygen by activating the sonosensitizer chlorin e6. In the meanwhile, the low-dose paclitaxel reduces tumoral pH value by downregulating the glutaminolysis-related gene (SLC7A11) which in turn enhances the catalytic activity of Fe-MOF and inhibits antioxidative pathways, respectively. Both in vivo and in vitro experiments show that our designed hybrid hydrogels can induce significant ferrotherapeutic effects by augmenting the tumoral oxidative stresses.
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Affiliation(s)
- Huilan Zhuang
- The Straits Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Normal University, The Straits Laboratory of Flexible Electronics (SLoFE), Fuzhou 350117, Fujian, China
| | - Panpan Xue
- The Straits Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Normal University, The Straits Laboratory of Flexible Electronics (SLoFE), Fuzhou 350117, Fujian, China
| | - Sijie Shao
- The Straits Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Normal University, The Straits Laboratory of Flexible Electronics (SLoFE), Fuzhou 350117, Fujian, China
| | - Xuemei Zeng
- Key Laboratory of Microbial Pathogenesis and Interventions of Fujian Province University, Biomedical Research Center of South China, College of Life Sciences, Fujian Normal University, 1 Keji Road, Fuzhou 350117, China.
| | - Shuangqian Yan
- The Straits Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Normal University, The Straits Laboratory of Flexible Electronics (SLoFE), Fuzhou 350117, Fujian, China.
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Zhou J, Yang T, Chen Z, Chen Y, Li S. A non-thermal modification method to promote the interaction of zein-alginate oligosaccharides composites for better encapsulation and stability-Cold plasma. Int J Biol Macromol 2023; 253:126496. [PMID: 37633568 DOI: 10.1016/j.ijbiomac.2023.126496] [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: 06/08/2023] [Revised: 07/29/2023] [Accepted: 08/22/2023] [Indexed: 08/28/2023]
Abstract
This current research explored the application of cold plasma (CP) treatment to modify zein-alginate oligosaccharide (zein-AOS) composites in an ethanol-water solution. Anti-solvent method was used to prepare zein-AOS nanoparticles (NPs), and the objective was to investigate the mechanism by which CP promotes interaction between protein and saccharides. Characterization results indicated that CP treatment improved hydrogen bonding and electrostatic interaction between zein and AOS. The CP zein-AOS NPs underwent dispersion and rearrangement, resulting in smaller aggregates with better dispersibility. Among the various induction conditions tested, the zein-AOS85 NPs (induced at 85 W for 2 min) exhibited superior performance as delivery wall materials, with smaller particle size (234.67 nm), larger specific surface area (9.443 m2/g), and higher surface charge (-35.43 mV). In addition, zein-AOS85 showed high stability when used as delivery wall material, providing more binding sites and self-assembly dynamics for nutrients. Curcumin was used as the nutrient model in this study, and CP was found to enhance hydrogen bonding, electrostatic interaction, and hydrophobic interaction between zein, AOS, and nutrients, resulting in increased encapsulation efficiency (EE) from 63.80 % to 85.17 %. The delivery system also exhibited good pH, ionic strength, storage, and dispersion stability.
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Affiliation(s)
- Junjun Zhou
- College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Tongliang Yang
- College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Ziyang Chen
- College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Ye Chen
- College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Shuhong Li
- College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China.
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Krishna Perumal P, Huang CY, Chen CW, Anisha GS, Singhania RR, Dong CD, Patel AK. Advances in oligosaccharides production from brown seaweeds: extraction, characterization, antimetabolic syndrome, and other potential applications. Bioengineered 2023; 14:2252659. [PMID: 37726874 PMCID: PMC10512857 DOI: 10.1080/21655979.2023.2252659] [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: 03/02/2023] [Accepted: 06/27/2023] [Indexed: 09/21/2023] Open
Abstract
Brown seaweeds are a promising source of bioactive substances, particularly oligosaccharides. This group has recently gained considerable attention due to its diverse cell wall composition, structure, and wide-spectrum bioactivities. This review article provides a comprehensive update on advances in oligosaccharides (OSs) production from brown seaweeds and their potential health applications. It focuses on advances in feedstock pretreatment, extraction, characterization, and purification prior to OS use for potential health applications. Brown seaweed oligosaccharides (BSOSs) are extracted using various methods. Among these, enzymatic hydrolysis is the most preferred, with high specificity, mild reaction conditions, and low energy consumption. However, the enzyme selection and hydrolysis conditions need to be optimized for desirable yield and oligosaccharides composition. Characterization of oligosaccharides is essential to determine their structure and properties related to bioactivities and to predict their most suitable application. This is well covered in this review. Analytical techniques such as high-performance liquid chromatography (HPLC), gas chromatography (GC), and nuclear magnetic resonance (NMR) spectroscopy are commonly applied to analyze oligosaccharides. BSOSs exhibit a range of biological properties, mainly antimicrobial, anti-inflammatory, and prebiotic properties among others. Importantly, BSOSs have been linked to possible health advantages, including metabolic syndrome management. Metabolic syndrome is a cluster of conditions, such as obesity, hypertension, and dyslipidemia, which increase the risk of cardiovascular disease and type 2 diabetes. Furthermore, oligosaccharides have potential applications in the food and pharmaceutical industries. Future research should focus on improving industrial-scale oligosaccharide extraction and purification, as well as researching their potential utility in the treatment of various health disorders.[Figure: see text].
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Affiliation(s)
- Pitchurajan Krishna Perumal
- Institute of Aquatic Science and Technology, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Chun-Yung Huang
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Chiu-Wen Chen
- Institute of Aquatic Science and Technology, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
- Sustainable Environment Research Center, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
- Department of Marine Environmental Engineering, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Grace Sathyanesan Anisha
- Post-Graduate and Research Department of Zoology, Government College for Women, Thiruvananthapuram, India
| | - Reeta Rani Singhania
- Institute of Aquatic Science and Technology, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
- Centre for Energy and Environmental Sustainability, Lucknow, Uttar Pradesh, India
| | - Cheng-Di Dong
- Sustainable Environment Research Center, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
- Department of Marine Environmental Engineering, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
- Centre for Energy and Environmental Sustainability, Lucknow, Uttar Pradesh, India
| | - Anil Kumar Patel
- Institute of Aquatic Science and Technology, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
- Centre for Energy and Environmental Sustainability, Lucknow, Uttar Pradesh, India
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Zhang E, Shang C, Ma M, Zhang X, Liu Y, Song S, Li X. Polyguluronic acid alleviates doxorubicin-induced cardiotoxicity by suppressing Peli1-NLRP3 inflammasome-mediated pyroptosis. Carbohydr Polym 2023; 321:121334. [PMID: 37739547 DOI: 10.1016/j.carbpol.2023.121334] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 09/24/2023]
Abstract
Polyguluronic acid (PG), a polysaccharide from alginate, possesses excellent bioactivities. We prepared high-purity PG with 10.41 kDa molecular weight (Mw) and a 59 average degree of polymerization (DP) by acid hydrolysis, three pH grades, Q-Sepharose column elution, and Sephadex G-25 column desalination. Then, we evaluated the PG protective effects on doxorubicin-induced cardiotoxicity (DIC) in vitro and in vivo. The nontoxic PG enhanced cellular viability, reduced cell pyroptosis morphology, diminished the LDH and IL-1β release, and downregulated expressions of ASC oligomerization, NLRP3, cl-CASP1, and GSDMD, by which PG protected the cardiomyocytes from NLRP3 inflammasome-mediated pyroptosis in doxorubicin-stimulated HL-1 cells and C57BL/6J mice. The probable underlying mechanism may be that PG downregulated doxorubicin -induced Peli1, the deficiency of which could inhibit doxorubicin-induced NLRP3 inflammasome-mediated pyroptosis. These results suggested that polysaccharide PG from alginate could prevent DIC and may be a potential therapeutic agent or bioactive material for preventing DIC.
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Affiliation(s)
- E Zhang
- Marine College, Shandong University, Weihai, Shandong 264209, China.
| | - Chuangeng Shang
- Marine College, Shandong University, Weihai, Shandong 264209, China.
| | - Mingtao Ma
- Marine College, Shandong University, Weihai, Shandong 264209, China.
| | - Xuanfeng Zhang
- Marine College, Shandong University, Weihai, Shandong 264209, China.
| | - Yu Liu
- Marine College, Shandong University, Weihai, Shandong 264209, China.
| | - Shuliang Song
- Marine College, Shandong University, Weihai, Shandong 264209, China.
| | - Xia Li
- Marine College, Shandong University, Weihai, Shandong 264209, China; School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China.
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11
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Zueva OS, Khair T, Kazantseva MA, Latypova L, Zuev YF. Ions-Induced Alginate Gelation According to Elemental Analysis and a Combinatorial Approach. Int J Mol Sci 2023; 24:16201. [PMID: 38003391 PMCID: PMC10671519 DOI: 10.3390/ijms242216201] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 11/08/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
This study considers the potential of elemental analysis of polysaccharide ionotropic gels in elucidating the junction zones for different divalent cations. The developed algorithm ensures the correct separation of contributions from physically adsorbed and structure-forming ionic compounds, with the obtained results scaled to alginate C12 block. Possible versions of chain association into dimers and their subsequent integration into flat junction zones were analyzed within the framework of the "egg-box" model. The application of combinatorial analysis made it possible to derive theoretical relations to find the probability of various types of egg-box cell occurrences for alginate chains with arbitrary monomeric units ratio μ = M/G, which makes it possible to compare experimental data for alginates of different origins. Based on literature data and obtained chemical formulas, the possible correspondence of concrete biopolymer cells to those most preferable for filling by alkaline earth cations was established. The identified features of elemental composition suggest the formation of composite hydrated complexes with the participation of transition metal cations. The possibility of quantitatively assessing ordered secondary structures formed due to the physical sorption of ions and molecules from environment, correlating with the sorption capabilities of Me2+ alginate, was established.
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Affiliation(s)
- Olga S. Zueva
- Institute of Electric Power Engineering and Electronics, Kazan State Power Engineering University, 51 Krasnoselskaya Street, 420066 Kazan, Russia; (O.S.Z.); (T.K.)
| | - Tahar Khair
- Institute of Electric Power Engineering and Electronics, Kazan State Power Engineering University, 51 Krasnoselskaya Street, 420066 Kazan, Russia; (O.S.Z.); (T.K.)
| | - Mariia A. Kazantseva
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, 2/31 Lobachevsky Street, 420111 Kazan, Russia;
- School of Applied Mathematics, HSE University, 34 Tallinskaya Street, 123458 Moscow, Russia
| | - Larisa Latypova
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, 92 West Da-Zhi Street, Harbin 150001, China;
| | - Yuriy F. Zuev
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, 2/31 Lobachevsky Street, 420111 Kazan, Russia;
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12
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Gruber JV, Holtz R. Living, quiescent Lactobacillus plantarum Lp90 probiotic, delivered topically to full thickness tissues in vitro via a just-add-water cream delivery system, stimulates the expression of elastin protein. J Cosmet Dermatol 2023; 22:2852-2860. [PMID: 37470208 DOI: 10.1111/jocd.15927] [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: 04/22/2023] [Revised: 06/08/2023] [Accepted: 06/29/2023] [Indexed: 07/21/2023]
Abstract
INTRODUCTION Delivering living probiotics to the skin can be challenging as most water-containing cosmetic products require preservatives to maintain product stability. A recently introduced powdered technology [Stratabiosys™, Vantage Personal Care] allows for quiescent probiotic powders to be stored for extended periods of time. The powders can then be reconstituted to creams at the point of use by adding water and mixing and were examined in vitro on reconstructed human full thickness tissues to see if the probiotic had any influence of several important biomolecules expressed in the skin. MATERIALS AND METHODS A probiotic powder containing 200 M CFU/gram of living quiescent Lactobacillus plantarum Lp90 was reconstituted to a cream by adding ultrapure water and gently mixing the components at room temperature to quickly produce a cream. The resulting cream was tested topically on Epiderm® Full Thickness Tissues by treating the tissues for 24 h, removing the cream with a PBS rinse and then repeating the treatment for another 24 h. The resulting tissues were examined for four strategically important skin biomolecules including Type 1A collagen, elastin, filaggrin and hyaluronic acid. The probiotic-containing powder was tested against untreated tissues and powders not containing probiotics and powders containing measured amounts of one of two cryoprotectants known to be used to maintain the integrity of the quiescent probiotics during drying of the quiescent probiotic powders. RESULTS It was found that topical treatment on Epiderm® tissues with creams containing 2 M (1%), 4 M (2%) and 6 M (3%) CFU/gram prepared from a base powder containing 200 M CFU/gram of Lactobacillus plantarum Lp90 stimulated elastin expression in a dose dependent fashion. There was no effect on the other biomolecules examined in the studies. In addition, it was found that creams made from powders containing only the known cryoprotectants, not bacteria, had no influence on elastin expression. CONCLUSION The results of this study demonstrate that topical delivery of probiotics is possible from powders containing quiescent probiotic powders converted to creams just prior to application to the tissues. In the case of a powder containing Lactobacillus plantarum Lp90, topical application significantly increased expression of elastin in the skin replicants after 48 h of exposure to the cream made with the probiotic. The elastin-stimulating effects are not coming from the oligosaccharide cryoprotectants used to maintain the probiotic powders in their quiescent, dried state. The results indicate that it is the living Lactobacillus plantarum probiotic that is stimulating the elastin expression in the skin tissues.
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Affiliation(s)
| | - Robert Holtz
- Bioinnovation Laboratories, Inc., Lakewood, Colorado, USA
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13
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Krishna Perumal P, Dong CD, Chauhan AS, Anisha GS, Kadri MS, Chen CW, Singhania RR, Patel AK. Advances in oligosaccharides production from algal sources and potential applications. Biotechnol Adv 2023; 67:108195. [PMID: 37315876 DOI: 10.1016/j.biotechadv.2023.108195] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/16/2023]
Abstract
In recent years, algal-derived glycans and oligosaccharides have become increasingly important in health applications due to higher bioactivities than plant-derived oligosaccharides. The marine organisms have complex, and highly branched glycans and more reactive groups to elicit greater bioactivities. However, complex and large molecules have limited use in broad commercial applications due to dissolution limitations. In comparison to these, oligosaccharides show better solubility and retain their bioactivities, hence, offering better applications opportunity. Accordingly, efforts are being made to develop a cost-effective method for enzymatic extraction of oligosaccharides from algal polysaccharides and algal biomass. Yet detailed structural characterization of algal-derived glycans is required to produce and characterize the potential biomolecules for improved bioactivity and commercial applications. Some macroalgae and microalgae are being evaluated as in vivo biofactories for efficient clinical trials, which could be very helpful in understanding the therapeutic responses. This review discusses the recent advancements in the production of oligosaccharides from microalgae. It also discusses the bottlenecks of the oligosaccharides research, technological limitations, and probable solutions to these problems. Furthermore, it presents the emerging bioactivities of algal oligosaccharides and their promising potential for possible biotherapeutic application.
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Affiliation(s)
- Pitchurajan Krishna Perumal
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
| | - Cheng-Di Dong
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Sustainable Environment Research Centre, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Ajeet Singh Chauhan
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
| | - Grace Sathyanesan Anisha
- Post-Graduate and Research Department of Zoology, Government College for Women, Thiruvananthapuram 695014, Kerala, India
| | - Mohammad Sibtain Kadri
- Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung City-804201, Taiwan
| | - Chiu-Wen Chen
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Sustainable Environment Research Centre, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Reeta Rani Singhania
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Centre for Energy and Environmental Sustainability, Lucknow 226 029, Uttar Pradesh, India
| | - Anil Kumar Patel
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Centre for Energy and Environmental Sustainability, Lucknow 226 029, Uttar Pradesh, India.
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14
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Guo Q, Dan M, Zheng Y, Shen J, Zhao G, Wang D. Improving the thermostability of a novel PL-6 family alginate lyase by rational design engineering for industrial preparation of alginate oligosaccharides. Int J Biol Macromol 2023; 249:125998. [PMID: 37499708 DOI: 10.1016/j.ijbiomac.2023.125998] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/22/2023] [Accepted: 07/24/2023] [Indexed: 07/29/2023]
Abstract
Alginate is degraded into alginate oligosaccharides with various biological activities by enzymes. However, the thermostability of the enzyme limits its industrial application. In this study, a novel PL-6 alginate lyase, AlyRm6A from Rhodothermus marinus 4252 was expressed and characterized. In addition, an efficient comprehensive strategy was proposed, including automatic design of heat-resistant mutants, multiple computer-aided ΔΔGfold value calculation, and conservative analysis of mutation sites. AlyRm6A has naturally high thermostability. Compared with the WT, T43I and Q216I kept their original activities, and their half-lives were increased from 3.68 h to 4.29 h and 4.54 h, melting point temperatures increased from 61.5 °C to 62.9 °C and 63.5 °C, respectively. The results of circular dichroism showed that both the mutants and the wild type had the characteristic peaks of β-sheet at 195 nm and 216 nm, which indicated that there was no significant effect on the secondary structure of the protein. Molecular dynamics simulation (MD) analyses suggest that the enhancement of the hydrophobic interaction network, improvement of molecular rigidity, and denser structure could improve the stability of AlyRm6A. To the best of our knowledge, our findings indicate that AlyRm6A mutants exhibit the highest thermostability among the characterized PL-6 alginate lyases, making them potential candidates for industrial production of alginate oligosaccharides.
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Affiliation(s)
- Qing Guo
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Meiling Dan
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Yuting Zheng
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Ji Shen
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Guohua Zhao
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Damao Wang
- College of Food Science, Southwest University, Chongqing 400715, China.
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15
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Du YW, Liu L, Feng NJ, Zheng DF, Liu ML, Zhou H, Deng P, Wang YX, Zhao HM. Combined transcriptomic and metabolomic analysis of alginate oligosaccharides alleviating salt stress in rice seedlings. BMC PLANT BIOLOGY 2023; 23:455. [PMID: 37770835 PMCID: PMC10540332 DOI: 10.1186/s12870-023-04470-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/17/2023] [Indexed: 09/30/2023]
Abstract
BACKGROUND Salt stress is one of the key factors limiting rice production. Alginate oligosaccharides (AOS) enhance plant stress resistance. However, the molecular mechanism underlying salt tolerance in rice induced by AOS remains unclear. FL478, which is a salt-tolerant indica recombinant inbred line and IR29, a salt-sensitive rice cultivar, were used to comprehensively analyze the effects of AOS sprayed on leaves in terms of transcriptomic and metabolite profiles of rice seedlings under salt stress. RESULTS In this experiment, exogenous application of AOS increased SOD, CAT and APX activities, as well as GSH and ASA levels to reduce the damage to leaf membrane, increased rice stem diameter, the number of root tips, aboveground and subterranean biomass, and improved rice salt tolerance. Comparative transcriptomic analyses showed that the regulation of AOS combined with salt treatment induced the differential expression of 305 and 1030 genes in FL478 and IR29. The expressed genes enriched in KEGG pathway analysis were associated with antioxidant levels, photosynthesis, cell wall synthesis, and signal transduction. The genes associated with light-trapping proteins and RLCK receptor cytoplasmic kinases, including CBA, LHCB, and Lhcp genes, were fregulated in response to salt stress. Treatment with AOS combined with salt induced the differential expression of 22 and 50 metabolites in FL478 and IR29. These metabolites were mainly related to the metabolism of amino and nucleotide sugars, tryptophan, histidine, and β -alanine. The abundance of metabolites associated with antioxidant activity, such as 6-hydroxymelatonin, wedelolactone and L-histidine increased significantly. Combined transcriptomic and metabolomic analyses revealed that dehydroascorbic acid in the glutathione and ascorbic acid cycles plays a vital role in salt tolerance mediated by AOS. CONCLUSION AOS activate signal transduction, regulate photosynthesis, cell wall formation, and multiple antioxidant pathways in response to salt stress. This study provides a molecular basis for the alleviation of salt stress-induced damage by AOS in rice.
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Affiliation(s)
- You-Wei Du
- College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang, 524088, China
- South China Center of National Saline-tolerant Rice Technology Innovation Center, Zhanjiang, 524088, China
| | - Ling Liu
- College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang, 524088, China
- South China Center of National Saline-tolerant Rice Technology Innovation Center, Zhanjiang, 524088, China
| | - Nai-Jie Feng
- College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang, 524088, China.
- South China Center of National Saline-tolerant Rice Technology Innovation Center, Zhanjiang, 524088, China.
- Shenzhen Research Institute of Guangdong Ocean University, Shenzhen, 518108, China.
| | - Dian-Feng Zheng
- College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang, 524088, China.
- South China Center of National Saline-tolerant Rice Technology Innovation Center, Zhanjiang, 524088, China.
- Shenzhen Research Institute of Guangdong Ocean University, Shenzhen, 518108, China.
| | - Mei-Ling Liu
- College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang, 524088, China
- South China Center of National Saline-tolerant Rice Technology Innovation Center, Zhanjiang, 524088, China
| | - Hang Zhou
- College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang, 524088, China
- South China Center of National Saline-tolerant Rice Technology Innovation Center, Zhanjiang, 524088, China
| | - Peng Deng
- College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang, 524088, China
- South China Center of National Saline-tolerant Rice Technology Innovation Center, Zhanjiang, 524088, China
| | - Ya-Xing Wang
- College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang, 524088, China
- South China Center of National Saline-tolerant Rice Technology Innovation Center, Zhanjiang, 524088, China
| | - Hui-Min Zhao
- College of Coastal Agriculture Sciences, Guangdong Ocean University, Zhanjiang, 524088, China
- South China Center of National Saline-tolerant Rice Technology Innovation Center, Zhanjiang, 524088, China
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16
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Pritchard MF, Powell LC, Adams JYM, Menzies G, Khan S, Tøndervik A, Sletta H, Aarstad O, Skjåk-Bræk G, McKenna S, Buurma NJ, Farnell DJJ, Rye PD, Hill KE, Thomas DW. Structure-Activity Relationships of Low Molecular Weight Alginate Oligosaccharide Therapy against Pseudomonas aeruginosa. Biomolecules 2023; 13:1366. [PMID: 37759766 PMCID: PMC10527064 DOI: 10.3390/biom13091366] [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: 06/29/2023] [Revised: 08/26/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
Low molecular weight alginate oligosaccharides have been shown to exhibit anti-microbial activity against a range of multi-drug resistant bacteria, including Pseudomonas aeruginosa. Previous studies suggested that the disruption of calcium (Ca2+)-DNA binding within bacterial biofilms and dysregulation of quorum sensing (QS) were key factors in these observed effects. To further investigate the contribution of Ca2+ binding, G-block (OligoG) and M-block alginate oligosaccharides (OligoM) with comparable average size DPn 19 but contrasting Ca2+ binding properties were prepared. Fourier-transform infrared spectroscopy demonstrated prolonged binding of alginate oligosaccharides to the pseudomonal cell membrane even after hydrodynamic shear treatment. Molecular dynamics simulations and isothermal titration calorimetry revealed that OligoG exhibited stronger interactions with bacterial LPS than OligoM, although this difference was not mirrored by differential reductions in bacterial growth. While confocal laser scanning microscopy showed that both agents demonstrated similar dose-dependent reductions in biofilm formation, OligoG exhibited a stronger QS inhibitory effect and increased potentiation of the antibiotic azithromycin in minimum inhibitory concentration and biofilm assays. This study demonstrates that the anti-microbial effects of alginate oligosaccharides are not purely influenced by Ca2+-dependent processes but also by electrostatic interactions that are common to both G-block and M-block structures.
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Affiliation(s)
- Manon F. Pritchard
- Advanced Therapies Group, School of Dentistry, Cardiff University, Cardiff CF14 4XY, UK; (L.C.P.); (J.Y.M.A.); (S.K.); (S.M.); (D.J.J.F.); (K.E.H.); (D.W.T.)
| | - Lydia C. Powell
- Advanced Therapies Group, School of Dentistry, Cardiff University, Cardiff CF14 4XY, UK; (L.C.P.); (J.Y.M.A.); (S.K.); (S.M.); (D.J.J.F.); (K.E.H.); (D.W.T.)
- Microbiology and Infectious Disease Group, Swansea University Medical School, Swansea SA2 8PP, UK
| | - Jennifer Y. M. Adams
- Advanced Therapies Group, School of Dentistry, Cardiff University, Cardiff CF14 4XY, UK; (L.C.P.); (J.Y.M.A.); (S.K.); (S.M.); (D.J.J.F.); (K.E.H.); (D.W.T.)
| | - Georgina Menzies
- School of Biosciences, Cardiff University, Cardiff CF10 3AX, UK;
| | - Saira Khan
- Advanced Therapies Group, School of Dentistry, Cardiff University, Cardiff CF14 4XY, UK; (L.C.P.); (J.Y.M.A.); (S.K.); (S.M.); (D.J.J.F.); (K.E.H.); (D.W.T.)
| | - Anne Tøndervik
- Department of Bioprocess Technology, SINTEF Materials and Chemistry, N-7465 Trondheim, Norway; (A.T.); (H.S.)
| | - Håvard Sletta
- Department of Bioprocess Technology, SINTEF Materials and Chemistry, N-7465 Trondheim, Norway; (A.T.); (H.S.)
| | - Olav Aarstad
- Department of Biotechnology, Norwegian University of Science and Technology, N-7491 Trondheim, Norway; (O.A.); (G.S.-B.)
| | - Gudmund Skjåk-Bræk
- Department of Biotechnology, Norwegian University of Science and Technology, N-7491 Trondheim, Norway; (O.A.); (G.S.-B.)
| | - Stephen McKenna
- Advanced Therapies Group, School of Dentistry, Cardiff University, Cardiff CF14 4XY, UK; (L.C.P.); (J.Y.M.A.); (S.K.); (S.M.); (D.J.J.F.); (K.E.H.); (D.W.T.)
| | - Niklaas J. Buurma
- Physical Organic Chemistry Centre, School of Chemistry, Cardiff University, Cardiff CF10 3AT, UK;
| | - Damian J. J. Farnell
- Advanced Therapies Group, School of Dentistry, Cardiff University, Cardiff CF14 4XY, UK; (L.C.P.); (J.Y.M.A.); (S.K.); (S.M.); (D.J.J.F.); (K.E.H.); (D.W.T.)
| | - Philip D. Rye
- AlgiPharma AS, Industriveien 33, N-1337 Sandvika, Norway;
| | - Katja E. Hill
- Advanced Therapies Group, School of Dentistry, Cardiff University, Cardiff CF14 4XY, UK; (L.C.P.); (J.Y.M.A.); (S.K.); (S.M.); (D.J.J.F.); (K.E.H.); (D.W.T.)
| | - David W. Thomas
- Advanced Therapies Group, School of Dentistry, Cardiff University, Cardiff CF14 4XY, UK; (L.C.P.); (J.Y.M.A.); (S.K.); (S.M.); (D.J.J.F.); (K.E.H.); (D.W.T.)
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17
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Li L, Zhu B, Yao Z, Jiang J. Directed preparation, structure-activity relationship and applications of alginate oligosaccharides with specific structures: A systematic review. Food Res Int 2023; 170:112990. [PMID: 37316063 DOI: 10.1016/j.foodres.2023.112990] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/12/2023] [Accepted: 05/15/2023] [Indexed: 06/16/2023]
Abstract
The alginate oligosaccharides (AOS) possess versatile activities (such as antioxidant, anti-inflammatory, antitumor, and immune-regulatory activities) and have been the research topic in marine bioresource utilization fields. The degree of polymerization (DP) and the β-D-mannuronic acid (M)/α-L-guluronic acid (G)-units ratio strongly affect the functionality of AOS. Therefore, directed preparation of AOS with specific structures is essential for expanding the applications of alginate polysaccharides and has been the research topic in the marine bioresource field. Alginate lyases could efficiently degrade alginate and specifically produce AOS with specific structures. Therefore, enzymatic preparation of AOS with specific structures has drawn increasing attention. Herein, we systematically summarized the current research progress on the structure-function relation of AOS and focuses on the application of the enzymatic properties of alginate lyase to the specific preparation of various types of AOS. At the same time, current challenges and opportunities for AOS applications are presented to guide and improve the preparation and application of AOS in the future.
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Affiliation(s)
- Li Li
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China
| | - Benwei Zhu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China.
| | - Zhong Yao
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China
| | - Jinju Jiang
- State Key Laboratory of Bioactive Seaweed Substances, Qingdao 266400, China
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18
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Cheong KL, Zhang Y, Li Z, Li T, Ou Y, Shen J, Zhong S, Tan K. Role of Polysaccharides from Marine Seaweed as Feed Additives for Methane Mitigation in Ruminants: A Critical Review. Polymers (Basel) 2023; 15:3153. [PMID: 37571046 PMCID: PMC10420924 DOI: 10.3390/polym15153153] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/22/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023] Open
Abstract
Given the increasing concerns regarding greenhouse gas emissions associated with livestock production, the need to discover effective strategies to mitigate methane production in ruminants is clear. Marine algal polysaccharides have emerged as a promising research avenue because of their abundance and sustainability. Polysaccharides, such as alginate, laminaran, and fucoidan, which are extracted from marine seaweeds, have demonstrated the potential to reduce methane emissions by influencing the microbial populations in the rumen. This comprehensive review extensively examines the available literature and considers the effectiveness, challenges, and prospects of using marine seaweed polysaccharides as feed additives. The findings emphasise that marine algal polysaccharides can modulate rumen fermentation, promote the growth of beneficial microorganisms, and inhibit methanogenic archaea, ultimately leading to decreases in methane emissions. However, we must understand the long-term effects and address the obstacles to practical implementation. Further research is warranted to optimise dosage levels, evaluate potential effects on animal health, and assess economic feasibility. This critical review provides insights for researchers, policymakers, and industry stakeholders dedicated to advancing sustainable livestock production and methane mitigation.
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Affiliation(s)
- Kit-Leong Cheong
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Guangdong Provincial Science and Technology Innovation Center for Subtropical Fruit and Vegetable Processing, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (K.-L.C.)
| | - Yiyu Zhang
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Guangdong Provincial Science and Technology Innovation Center for Subtropical Fruit and Vegetable Processing, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (K.-L.C.)
| | - Zhuoting Li
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Guangdong Provincial Science and Technology Innovation Center for Subtropical Fruit and Vegetable Processing, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (K.-L.C.)
| | - Tongtong Li
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Guangdong Provincial Science and Technology Innovation Center for Subtropical Fruit and Vegetable Processing, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (K.-L.C.)
| | - Yiqing Ou
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Guangdong Provincial Science and Technology Innovation Center for Subtropical Fruit and Vegetable Processing, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (K.-L.C.)
| | - Jiayi Shen
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Guangdong Provincial Science and Technology Innovation Center for Subtropical Fruit and Vegetable Processing, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (K.-L.C.)
| | - Saiyi Zhong
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Guangdong Provincial Science and Technology Innovation Center for Subtropical Fruit and Vegetable Processing, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China; (K.-L.C.)
| | - Karsoon Tan
- Guangxi Key Laboratory of Beibu Gulf Biodiversity Conservation, Beibu Gulf University, Qinzhou 535000, China
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19
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Flores-Contreras EA, Araújo RG, Rodríguez-Aguayo AA, Guzmán-Román M, García-Venegas JC, Nájera-Martínez EF, Sosa-Hernández JE, Iqbal HMN, Melchor-Martínez EM, Parra-Saldivar R. Polysaccharides from the Sargassum and Brown Algae Genus: Extraction, Purification, and Their Potential Therapeutic Applications. PLANTS (BASEL, SWITZERLAND) 2023; 12:2445. [PMID: 37447006 DOI: 10.3390/plants12132445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/20/2023] [Accepted: 06/21/2023] [Indexed: 07/15/2023]
Abstract
Brown macroalgae represent one of the most proliferative groups of living organisms in aquatic environments. Due to their abundance, they often cause problems in aquatic and terrestrial ecosystems, resulting in health problems in humans and the death of various aquatic species. To resolve this, the application of Sargassum has been sought in different research areas, such as food, pharmaceuticals, and cosmetics, since Sargassum is an easy target for study and simple to obtain. In addition, its high content of biocompounds, such as polysaccharides, phenols, and amino acids, among others, has attracted attention. One of the valuable components of brown macroalgae is their polysaccharides, which present interesting bioactivities, such as antiviral, antimicrobial, and antitumoral, among others. There is a wide variety of methods of extraction currently used to obtain these polysaccharides, such as supercritical fluid extraction (SFE), pressurized liquid extraction (PLE), subcritical water extraction (SCWE), ultrasound-assisted extraction (UAE), enzyme-assisted extraction (EAE), and microwave-assisted extraction (MAE). Therefore, this work covers the most current information on the methods of extraction, as well as the purification used to obtain a polysaccharide from Sargassum that is able to be utilized as alginates, fucoidans, and laminarins. In addition, a compilation of bioactivities involving brown algae polysaccharides in in vivo and in vitro studies is also presented, along with challenges in the research and marketing of Sargassum-based products that are commercially available.
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Affiliation(s)
- Elda A Flores-Contreras
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico
| | - Rafael G Araújo
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico
| | | | - Muriel Guzmán-Román
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | | | - Erik Francisco Nájera-Martínez
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico
| | - Juan Eduardo Sosa-Hernández
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico
| | - Elda M Melchor-Martínez
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico
| | - Roberto Parra-Saldivar
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico
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20
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Li Q, Liu X, Yan C, Zhao B, Zhao Y, Yang L, Shi M, Yu H, Li X, Luo K. Polysaccharide-Based Stimulus-Responsive Nanomedicines for Combination Cancer Immunotherapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206211. [PMID: 36890780 DOI: 10.1002/smll.202206211] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 02/09/2023] [Indexed: 06/08/2023]
Abstract
Cancer immunotherapy is a promising antitumor approach, whereas nontherapeutic side effects, tumor microenvironment (TME) intricacy, and low tumor immunogenicity limit its therapeutic efficacy. In recent years, combination immunotherapy with other therapies has been proven to considerably increase antitumor efficacy. However, achieving codelivery of the drugs to the tumor site remains a major challenge. Stimulus-responsive nanodelivery systems show controlled drug delivery and precise drug release. Polysaccharides, a family of potential biomaterials, are widely used in the development of stimulus-responsive nanomedicines due to their unique physicochemical properties, biocompatibility, and modifiability. Here, the antitumor activity of polysaccharides and several combined immunotherapy strategies (e.g., immunotherapy combined with chemotherapy, photodynamic therapy, or photothermal therapy) are summarized. More importantly, the recent progress of polysaccharide-based stimulus-responsive nanomedicines for combination cancer immunotherapy is discussed, with the focus on construction of nanomedicine, targeted delivery, drug release, and enhanced antitumor effects. Finally, the limitations and application prospects of this new field are discussed.
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Affiliation(s)
- Qiuxia Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611130, China
| | - Xing Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611130, China
| | - Chunmei Yan
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611130, China
| | - Bolin Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611130, China
| | - Yuxin Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611130, China
| | - Lu Yang
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Mingyi Shi
- School of Intelligent Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Hua Yu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Taipa, Macao SAR, 999078, China
| | - Xiaofang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611130, China
| | - Kaipei Luo
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611130, China
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Li L, Jiang J, Yao Z, Zhu B. Recent advances in the production, properties and applications of alginate oligosaccharides - a mini review. World J Microbiol Biotechnol 2023; 39:207. [PMID: 37221433 DOI: 10.1007/s11274-023-03658-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 05/20/2023] [Indexed: 05/25/2023]
Abstract
Alginate oligosaccharides (AOS) made from the degradation of alginate, to some extent, makes up for the poor solubility and bioavailability of alginate as a macromolecular substance and possess several beneficial biological activities that are absent in alginate. These properties include prebiotic, glycolipid regulatory, immunomodulatory, antimicrobial, antioxidant, anti-tumor, promoting plant growth and other activities. Consequently, AOS has significant potential for use in the agricultural, biomedical, and food industries, and has been the focus of research in the field of marine biological resources. This review comprehensively covers methods (physical, chemical, and enzymatic methods) for the production of AOS from alginate. More importantly, this paper reviews recent advances in the biological activity and potentially industrial and therapeutic applications of AOS, providing a reference for future research and applications of AOS.
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Affiliation(s)
- Li Li
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, China
| | - Jinju Jiang
- State Key Laboratory of Bioactive Seaweed Substances, Qingdao, 266400, China
| | - Zhong Yao
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, China
| | - Benwei Zhu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211816, China.
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22
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Lupu A, Gradinaru LM, Gradinaru VR, Bercea M. Diversity of Bioinspired Hydrogels: From Structure to Applications. Gels 2023; 9:gels9050376. [PMID: 37232968 DOI: 10.3390/gels9050376] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 05/27/2023] Open
Abstract
Hydrogels are three-dimensional networks with a variety of structures and functions that have a remarkable ability to absorb huge amounts of water or biological fluids. They can incorporate active compounds and release them in a controlled manner. Hydrogels can also be designed to be sensitive to external stimuli: temperature, pH, ionic strength, electrical or magnetic stimuli, specific molecules, etc. Alternative methods for the development of various hydrogels have been outlined in the literature over time. Some hydrogels are toxic and therefore are avoided when obtaining biomaterials, pharmaceuticals, or therapeutic products. Nature is a permanent source of inspiration for new structures and new functionalities of more and more competitive materials. Natural compounds present a series of physico-chemical and biological characteristics suitable for biomaterials, such as biocompatibility, antimicrobial properties, biodegradability, and nontoxicity. Thus, they can generate microenvironments comparable to the intracellular or extracellular matrices in the human body. This paper discusses the main advantages of the presence of biomolecules (polysaccharides, proteins, and polypeptides) in hydrogels. Structural aspects induced by natural compounds and their specific properties are emphasized. The most suitable applications will be highlighted, including drug delivery, self-healing materials for regenerative medicine, cell culture, wound dressings, 3D bioprinting, foods, etc.
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Affiliation(s)
- Alexandra Lupu
- "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Luiza Madalina Gradinaru
- "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Vasile Robert Gradinaru
- Faculty of Chemistry, "Alexandru Ioan Cuza" University, 11 Carol I Bd., 700506 Iasi, Romania
| | - Maria Bercea
- "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
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23
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Zhang S, Dong J, Pan R, Xu Z, Li M, Zang R. Structures, Properties, and Bioengineering Applications of Alginates and Hyaluronic Acid. Polymers (Basel) 2023; 15:polym15092149. [PMID: 37177293 PMCID: PMC10181120 DOI: 10.3390/polym15092149] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023] Open
Abstract
In recent years, polymeric materials have been used in a wide range of applications in a variety of fields. In particular, in the field of bioengineering, the use of natural biomaterials offers a possible new avenue for the development of products with better biocompatibility, biodegradability, and non-toxicity. This paper reviews the structural and physicochemical properties of alginate and hyaluronic acid, as well as the applications of the modified cross-linked derivatives in tissue engineering and drug delivery. This paper summarizes the application of alginate and hyaluronic acid in bone tissue engineering, wound dressings, and drug carriers. We provide some ideas on how to replace or combine alginate-based composites with hyaluronic-acid-based composites in tissue engineering and drug delivery to achieve better eco-economic value.
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Affiliation(s)
- Shuping Zhang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Jiayu Dong
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Renxue Pan
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Zhenyang Xu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Mengyuan Li
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Rui Zang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
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24
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Zhang J, Ye X, Li W, Lin Z, Wang W, Chen L, Li Q, Xie X, Xu X, Lu Y. Copper-containing chitosan-based hydrogels enabled 3D-printed scaffolds to accelerate bone repair and eliminate MRSA-related infection. Int J Biol Macromol 2023; 240:124463. [PMID: 37076063 DOI: 10.1016/j.ijbiomac.2023.124463] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 04/03/2023] [Accepted: 04/11/2023] [Indexed: 04/21/2023]
Abstract
Bone defect combined with drug-resistant bacteria-related infection is a thorny challenge in clinic. Herein, 3D-printed polyhydroxyalkanoates/β-tricalcium phosphate (PHA/β-TCP, PT) scaffolds were prepared by fused deposition modeling. Then copper-containing carboxymethyl chitosan/alginate (CA/Cu) hydrogels were integrated with the scaffolds via a facile and low-cost chemical crosslinking method. The resultant PT/CA/Cu scaffolds could not only promote proliferation but also osteogenic differentiation of preosteoblasts in vitro. Moreover, PT/CA/Cu scaffolds exhibited a strong antibacterial activity towards a broad-spectrum of bacteria including methicillin-resistant Staphylococcus aureus (MRSA) through inducing the intercellular generation of reactive oxygen species. In vivo experiments further demonstrated that PT/CA/Cu scaffolds significantly accelerated bone repair of cranial defects and efficiently eliminated MRSA-related infection, showing potential for application in infected bone defect therapy.
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Affiliation(s)
- Jinwei Zhang
- Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; Guangdong Key Lab of Orthopedic Technology and Implant Materials, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China
| | - Xiangling Ye
- Department of Orthopedics, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, Jiangxi 330006, China; Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, China; Department of Orthopedics, Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou, Guangdong 510095, China
| | - Wenhua Li
- Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Zefeng Lin
- Guangdong Key Lab of Orthopedic Technology and Implant Materials, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China
| | - Wanshun Wang
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, China
| | - Lingling Chen
- Guangdong Key Lab of Orthopedic Technology and Implant Materials, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China
| | - Qi Li
- Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Xiaobo Xie
- Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Xuemeng Xu
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, China; Department of Orthopedics, Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou, Guangdong 510095, China.
| | - Yao Lu
- Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China; Guangdong Key Lab of Orthopedic Technology and Implant Materials, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China.
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25
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Jiang G, Wang S, Xie J, Tan P, Han L. Discontinuous low temperature stress and plant growth regulators during the germination period promote roots growth in alfalfa (Medicago sativa L.). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 197:107624. [PMID: 36948023 DOI: 10.1016/j.plaphy.2023.03.001] [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: 10/29/2022] [Revised: 02/15/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
In high-cold regions, alfalfa is susceptible to cold damage during the seed germination. The effects of discontinuous low temperature stress and plant growth regulators (PGRs) on alfalfa were studied in response to the high day/night temperature differentials in the area. The experiments included seed germination, seedling cold tolerance and plant recovery. Variable temperatures (VT) of 0 °C/15 °C, 5 °C/20 °C and 10 °C/25 °C were set and seeds were soaked with alginate oligosaccharides (AOS), brassinolide (BR) and diethyl aminoethyl hexanoate (DA-6) during the germination period. Parameters such as seed germination and mean germination time (MGT), phenylalanine ammonia-lyase (PAL) activity and oligomeric proanthocyanidins (OPC) content of early seedlings, dry matter accumulation and root crown of the restored plants were analysed. The results showed that low variable-temperature (LVT) stress prolonged the MGT but had little inhibitory effect on germination percentage. Early seedlings adapted to LVT stress by regulating their own water and OPC content, PAL activity and other parameters. LVT induced early alfalfa seedlings to increase their underground biomass by shortening root length and increasing root diameter, and those that had accumulated more underground biomass had faster growth rates and higher total biomass when the ambient temperature rose. AOS also promoted an increase in root crown diameter and root dry weight. This research proved that LVT stress and AOS during the germination process can lead to better growth of alfalfa in high cold regions.
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Affiliation(s)
- Gaoqian Jiang
- Institute of Genetics and Developmental Biology Center for Agricultural Resources Research, Chinese Academy of Sciences / Hebei Key Laboratory of Soil Ecology / Key Laboratory of Agricultural Water Resources, Chinese Academy of Sciences, Shijiazhuang, 050022, China; University of Chinese Academy of Sciences, Beijing, China
| | - Shichao Wang
- Institute of Genetics and Developmental Biology Center for Agricultural Resources Research, Chinese Academy of Sciences / Hebei Key Laboratory of Soil Ecology / Key Laboratory of Agricultural Water Resources, Chinese Academy of Sciences, Shijiazhuang, 050022, China
| | - Jin Xie
- Institute of Genetics and Developmental Biology Center for Agricultural Resources Research, Chinese Academy of Sciences / Hebei Key Laboratory of Soil Ecology / Key Laboratory of Agricultural Water Resources, Chinese Academy of Sciences, Shijiazhuang, 050022, China
| | - Pan Tan
- Institute of Genetics and Developmental Biology Center for Agricultural Resources Research, Chinese Academy of Sciences / Hebei Key Laboratory of Soil Ecology / Key Laboratory of Agricultural Water Resources, Chinese Academy of Sciences, Shijiazhuang, 050022, China; University of Chinese Academy of Sciences, Beijing, China
| | - Lipu Han
- Institute of Genetics and Developmental Biology Center for Agricultural Resources Research, Chinese Academy of Sciences / Hebei Key Laboratory of Soil Ecology / Key Laboratory of Agricultural Water Resources, Chinese Academy of Sciences, Shijiazhuang, 050022, China; University of Chinese Academy of Sciences, Beijing, China.
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26
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Zhou J, Qaing S, Yang B, Wang Y, Wang J, Yang T, Zhang Y, Chen Y, Li S. Cold plasma treatment with alginate oligosaccharide improves the digestive stability and bioavailability of nutrient-delivered particles: An in vitro INFOGEST gastrointestinal study. Int J Biol Macromol 2023; 232:123309. [PMID: 36652987 DOI: 10.1016/j.ijbiomac.2023.123309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 01/10/2023] [Accepted: 01/13/2023] [Indexed: 01/20/2023]
Abstract
To improve the stability and bioavailability of the delivered hydrophobic nutrients, the zein-based delivery system was modified by alginate oligosaccharide (AOS), cold plasma (CP) treatments, and synergistically. The digestive behavior of each was investigated in an INFOGEST static in vitro digestion model. The results showed that AOS and CP treatments and their synergistic effects improved the dispersion and stability of the delivery system, leading to a more concentrated particle size distribution and higher particle surface charge. Both CP treatments and AOS increased the release rate of Curcumin (Cur) at small intestine (11.8 % to 20.5 % and 11.8 % to 24.64 %, respectively), and the synergistic effect was higher (11.8 % to 43.84 %). The wall material modified showed a higher encapsulation efficiency of Cur (52.83 % to 85.17 %). Cur release rate measurements showed that the wall material modified could have a positive effect on the slow release of Cur. SDS-page electrophoresis revealed that the slow release was due to the enhanced resistance of wall material to digestive fluids. Thus, treatment with AOS and CP treatments, and the synergism are suitable for modifying zein-based delivery systems for the encapsulation, stabilization, and slow release of hydrophobic nutrients during digestion in the field of functional foods.
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Affiliation(s)
- Junjun Zhou
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin Key Laboratory of Food Quality and Health, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Siqi Qaing
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin Key Laboratory of Food Quality and Health, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Bowen Yang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin Key Laboratory of Food Quality and Health, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yuhe Wang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin Key Laboratory of Food Quality and Health, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Jiake Wang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin Key Laboratory of Food Quality and Health, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Tongliang Yang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin Key Laboratory of Food Quality and Health, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yifu Zhang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin Key Laboratory of Food Quality and Health, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Ye Chen
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin Key Laboratory of Food Quality and Health, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Shuhong Li
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin Key Laboratory of Food Quality and Health, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China.
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27
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Sukhavattanakul P, Pisitsak P, Ummartyotin S, Narain R. Polysaccharides for Medical Technology: Properties and Applications. Macromol Biosci 2023; 23:e2200372. [PMID: 36353915 DOI: 10.1002/mabi.202200372] [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: 09/05/2022] [Revised: 10/18/2022] [Indexed: 11/12/2022]
Abstract
Over the past decade, the use of polysaccharides has gained tremendous attention in the field of medical technology. They have been applied in various sectors such as tissue engineering, drug delivery system, face mask, and bio-sensing. This review article provides an overview and background of polysaccharides for biomedical uses. Different types of polysaccharides, for example, cellulose and its derivatives, chitin and chitosan, hyaluronic acid, alginate, and pectin are presented. They are fabricated in various forms such as hydrogels, nanoparticles, membranes, and as porous mediums. Successful development and improvement of polysaccharide-based materials will effectively help users to enhance their quality of personal health, decrease cost, and eventually increase the quality of life with respect to sustainability.
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Affiliation(s)
- Pongpat Sukhavattanakul
- Department of Materials and Textile Technology, Faculty of Science and Technology, Thammasat University, Pathum, Thani, 12120, Thailand
| | - Penwisa Pisitsak
- Department of Materials and Textile Technology, Faculty of Science and Technology, Thammasat University, Pathum, Thani, 12120, Thailand
| | - Sarute Ummartyotin
- Department of Materials and Textile Technology, Faculty of Science and Technology, Thammasat University, Pathum, Thani, 12120, Thailand
| | - Ravin Narain
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, T6G1H9, Canada
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28
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Zhang Z, Wang X, Li F. An exploration of alginate oligosaccharides modulating intestinal inflammatory networks via gut microbiota. Front Microbiol 2023; 14:1072151. [PMID: 36778853 PMCID: PMC9909292 DOI: 10.3389/fmicb.2023.1072151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 01/09/2023] [Indexed: 01/27/2023] Open
Abstract
Alginate oligosaccharides (AOS) can be obtained by acidolysis and enzymatic hydrolysis. The products obtained by different methods have different structures and physiological functions. AOS have received increasing interest because of their many health-promoting properties. AOS have been reported to exert protective roles for intestinal homeostasis by modulating gut microbiota, which is closely associated with intestinal inflammation, gut barrier strength, bacterial infection, tissue injury, and biological activities. However, the roles of AOS in intestinal inflammation network remain not well understood. A review of published reports may help us to establish the linkage that AOS may improve intestinal inflammation network by affecting T helper type 1 (Th1) Th2, Th9, Th17, Th22 and regulatory T (Treg) cells, and their secreted cytokines [the hub genes of protein-protein interaction networks include interleukin-1 beta (IL-1β), IL-2, IL-4, IL-6, IL-10 and tumor necrosis factor alpha (TNF-α)] via the regulation of probiotics. The potential functional roles of molecular mechanisms are explored in this study. However, the exact mechanism for the direct interaction between AOS and probiotics or pathogenic bacteria is not yet fully understood. AOS receptors may be located on the plasma membrane of gut microbiota and will be a key solution to address such an important issue. The present paper provides a better understanding of the protecting functions of AOS on intestinal inflammation and immunity.
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Wei B, Ren P, Yang R, Gao Y, Tang Q, Xue C, Wang Y. Ameliorative Effect of Mannuronate Oligosaccharides on Hyperuricemic Mice via Promoting Uric Acid Excretion and Modulating Gut Microbiota. Nutrients 2023; 15:nu15020417. [PMID: 36678288 PMCID: PMC9865265 DOI: 10.3390/nu15020417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/04/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
Mannuronate oligosaccharide (MOS) is α-D-mannuronic acid polymer with 1,4-glycosidic linkages that possesses beneficial biological properties. The aim of this study was to investigate the hypouricemic effect of MOS in hyperuricemic mice and demonstrate the possible protective mechanisms involved. In this research, 200 mg/kg/day of MOS was orally administered to hyperuricemic mice for four weeks. The results showed that the MOS treatment significantly reduced the serum uric acid (SUA) level from 176.4 ± 7.9 μmol/L to 135.7 ± 10.9 μmol/L (p < 0.05). MOS alleviated the inflammatory response in the kidney. Moreover, MOS promoted uric acid excretion by regulating the protein levels of renal GLUT9, URAT1 and intestinal GLUT9, ABCG2. MOS modulated the gut microbiota in hyperuricemic mice and decreased the levels of Tyzzerella. In addition, research using antibiotic-induced pseudo-sterile mice demonstrated that the gut microbiota played a crucial role in reducing elevated serum uric acid of MOS in mice. In conclusion, MOS may be a potential candidate for alleviating HUA symptoms and regulating gut microbiota.
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Affiliation(s)
- Biqian Wei
- College of Food Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Pengfei Ren
- College of Food Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Ruzhen Yang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Yuan Gao
- College of Food Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Qingjuan Tang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266100, China
- Correspondence: ; Tel.: +86-186-6140-2667
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, Qingdao 266100, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266100, China
| | - Yuming Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266100, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266100, China
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Relevance of drying treatment on the extraction of high valuable compounds from invasive brown seaweed Rugulopteryx okamurae. ALGAL RES 2023. [DOI: 10.1016/j.algal.2022.102917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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31
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Zhang H, Zhou Y, Xu C, Qin X, Guo Z, Wei H, Yu CY. Mediation of synergistic chemotherapy and gene therapy via nanoparticles based on chitosan and ionic polysaccharides. Int J Biol Macromol 2022; 223:290-306. [PMID: 36347370 DOI: 10.1016/j.ijbiomac.2022.11.017] [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: 08/18/2022] [Revised: 11/01/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022]
Abstract
Nanoparticles (NPs)-based on various ionic polysaccharides, including chitosan, hyaluronic acid, and alginate have been frequently summarized for controlled release applications, however, most of the published reviews, to our knowledge, focused on the delivery of a single therapeutic agent. A comprehensive summarization of the co-delivery of multiple therapeutic agents by the ionic polysaccharides-based NPs, especially on the optimization of the polysaccharide structure for overcoming various extracellular and intracellular barriers toward maximized synergistic effects, to our knowledge, has been rarely explored so far. For this purpose, the strategies used for overcoming various extracellular and intracellular barriers in vivo were introduced first to provide guidance for the rational design of ionic polysaccharides-based NPs with desired features, including long-term circulation, enhanced cellular internalization, controllable drug/gene release, endosomal escape and improved nucleus localization. Next, four preparation strategies were summarized including three physical methods of polyelectrolyte complexation, ionic crosslinking, and self-assembly and a chemical conjugation approach. The challenges and future trends of this rapidly developing field were finally discussed in the concluding remarks. The important guidelines on the rational design of ionic polysaccharides-based NPs for maximized synergistic efficiency drawn in this review will promote the future generation and clinical translation of polysaccharides-based NPs for cancer therapy.
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Affiliation(s)
- Haitao Zhang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Yangchun Zhou
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Chenghui Xu
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Xuping Qin
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Zifen Guo
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang 421001, China.
| | - Hua Wei
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang 421001, China.
| | - Cui-Yun Yu
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang 421001, China.
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Sun TC, Yan BY, Ning XC, Tang ZY, Hui C, Hu MZ, Ramakrishna S, Long YZ, Zhang J. A nanofiber hydrogel derived entirely from ocean biomass for wound healing. NANOSCALE ADVANCES 2022; 5:160-170. [PMID: 36605791 PMCID: PMC9765447 DOI: 10.1039/d2na00535b] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/20/2022] [Indexed: 06/17/2023]
Abstract
Crustaceans and fish scales in the marine food industry are basically thrown away as waste. This not only wastes resources but also causes environmental pollution. While reducing pollution and waste, biological activity and storage of materials are urgent issues to be solved. In this study, by first preparing dry fibers and then making hydrogels, we prepared a fish scale/sodium alginate/chitosan nanofiber hydrogel (FS-P) by cross-linking the nanofibers in situ. From fish and other organisms, fish gelatin (FG), collagen and CaCO3 were extracted. Fish scale (FS)/sodium alginate/chitosan nanofibers were cross-linked with copper sulfide nanoparticles prepared by a one-step green method to obtain FS-P nanofiber hydrogels under mild conditions without catalyst and additional procedures. These fiber hydrogels not only have good tissue adhesion and tensile properties, but also have the antibacterial effect of natural antibacterial and CuS photothermal synergism, which can achieve 51.32% and 49.96% of the antibacterial effect against Staphylococcus aureus and Escherichia coli respectively, avoiding the generation of superbacteria. The nanofiber hydrogels have 87.56% voidage and 52.68% degradability after 14 days. The combined strategy of using marine bio-based fibers to prepare gels promoted angiogenesis and tissue repair.
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Affiliation(s)
- Tian-Cai Sun
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University Qingdao 266071 P. R. China
| | - Bing-Yu Yan
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University Qingdao 266071 P. R. China
| | - Xu-Chao Ning
- Medical College, Qingdao University Qingdao 266071 P. R. China
| | - Zhi-Yue Tang
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University Qingdao 266071 P. R. China
| | - Chao Hui
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University Qingdao 266071 P. R. China
| | - Mao-Zhi Hu
- Equipment Division, Qingyun County People's Hospital Dezhou 253000 P. R. China
| | - Seeram Ramakrishna
- Center for Nanofibers & Nanotechnology, Department of Mechanical Engineering, National University of Singapore Singapore 117574 Singapore
| | - Yun-Ze Long
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University Qingdao 266071 P. R. China
| | - Jun Zhang
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University Qingdao 266071 P. R. China
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Insights on Some Polysaccharide Gel Type Materials and Their Structural Peculiarities. Gels 2022; 8:gels8120771. [PMID: 36547295 PMCID: PMC9778405 DOI: 10.3390/gels8120771] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/18/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
Global resources have to be used in responsible ways to ensure the world's future need for advanced materials. Ecologically friendly functional materials based on biopolymers can be successfully obtained from renewable resources, and the most prominent example is cellulose, the well-known most abundant polysaccharide which is usually isolated from highly available biomass (wood and wooden waste, annual plants, cotton, etc.). Many other polysaccharides originating from various natural resources (plants, insects, algae, bacteria) proved to be valuable and versatile starting biopolymers for a wide array of materials with tunable properties, able to respond to different societal demands. Polysaccharides properties vary depending on various factors (origin, harvesting, storage and transportation, strategy of further modification), but they can be processed into materials with high added value, as in the case of gels. Modern approaches have been employed to prepare (e.g., the use of ionic liquids as "green solvents") and characterize (NMR and FTIR spectroscopy, X ray diffraction spectrometry, DSC, electronic and atomic force microscopy, optical rotation, circular dichroism, rheological investigations, computer modelling and optimization) polysaccharide gels. In the present paper, some of the most widely used polysaccharide gels will be briefly reviewed with emphasis on their structural peculiarities under various conditions.
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Removal of cationic and anionic dyes using Ca-alginate and Zn Al layered double hydroxide/metal-organic framework. Carbohydr Polym 2022; 301:120362. [DOI: 10.1016/j.carbpol.2022.120362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/28/2022] [Accepted: 11/13/2022] [Indexed: 11/18/2022]
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Zhang L, Liao W, Huang Y, Wen Y, Chu Y, Zhao C. Global seaweed farming and processing in the past 20 years. FOOD PRODUCTION, PROCESSING AND NUTRITION 2022. [DOI: 10.1186/s43014-022-00103-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AbstractSeaweed has emerged as one of the most promising resources due to its remarkable adaptability, short development period, and resource sustainability. It is an effective breakthrough to alleviate future resource crises. Algal resources have reached a high stage of growth in the past years due to the increased output and demand for seaweed worldwide. Several aspects global seaweed farming production and processing over the last 20 years are reviewed, such as the latest situation and approaches of seaweed farming. Research progress and production trend of various seaweed application are discussed. Besides, the challenges faced by seaweed farming and processing are also analyzed, and the related countermeasures are proposed, which can provide advice for seaweed farming and processing. The primary products, extraction and application, or waste utilization of seaweed would bring greater benefits with the continuous development and improvement of applications in various fields.
Graphical Abstract
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Zhang X, Li W, Pan L, Yang L, Li H, Ji F, Zhang Y, Tang H, Yang D. Improving the thermostability of alginate lyase FlAlyA with high expression by computer-aided rational design for industrial preparation of alginate oligosaccharides. Front Bioeng Biotechnol 2022; 10:1011273. [PMID: 36159669 PMCID: PMC9490058 DOI: 10.3389/fbioe.2022.1011273] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 08/15/2022] [Indexed: 11/18/2022] Open
Abstract
FlAlyA, a PL7 alginate lyase with industrial potential, is widely applied in the preparation the alginate oligosaccharide because of its high activity of degradation the alginate. However, heat inactivation still limits the industrial application of FlAlyA. To further enhance its thermostability, a group of mutants were designed, according to evaluating the B-factor value and free energy change via computer-aided calculation. 25 single-point mutants and one double-points mutant were carried out by site-directed mutagenesis. The optimal two single-point mutants H176D and H71K showed 1.20 and 0.3°C increases in the values of Tm, while 7.58 and 1.73 min increases in the values of half-life (t1/2) at 50°C, respectively, compared with that of the wild-type enzyme. Interestingly, H71K exhibits the comprehensive improvement than WT, including expression level, thermal stability and specific activity. In addition, the mechanism of these two mutants is speculated by multiple sequence alignment, structural basis and molecular dynamics simulation, which is likely to be involved in the formation of new hydrogen bonds and decrease the SASA of the mutants. These results indicate that B-factor is an efficient approach to improves the thermostability of alginate lyase composed of β-sheet unit. Furthermore, the highest yield of the mutant reached about 650 mg/L, which was nearly 36 times that of previous studies. The high expression, excellent activity and good thermal stability make FlAlyA a potential candidate for the industrial production of alginate oligosaccharides.
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Affiliation(s)
- Xiu Zhang
- College of Life Science and Technology, Guangxi University, Nanning, Guangxi, China
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Wei Li
- Viticulture and Wine Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, Guangxi, China
| | - Lixia Pan
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Liyan Yang
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Hongliang Li
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Feng Ji
- Institute of Medicine and Health Research, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Yunkai Zhang
- College of Life Science and Technology, Guangxi University, Nanning, Guangxi, China
- *Correspondence: Yunkai Zhang, ; Hongzhen Tang, ; Dengfeng Yang,
| | - Hongzhen Tang
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
- *Correspondence: Yunkai Zhang, ; Hongzhen Tang, ; Dengfeng Yang,
| | - Dengfeng Yang
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Beibu Gulf Marine Research Center, National Engineering Research Center of Non-food Biorefinery, State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning, Guangxi, China
- *Correspondence: Yunkai Zhang, ; Hongzhen Tang, ; Dengfeng Yang,
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Varaprasad K, Karthikeyan C, Yallapu MM, Sadiku R. The significance of biomacromolecule alginate for the 3D printing of hydrogels for biomedical applications. Int J Biol Macromol 2022; 212:561-578. [DOI: 10.1016/j.ijbiomac.2022.05.157] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/09/2022] [Accepted: 05/22/2022] [Indexed: 12/16/2022]
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Zhao L, Wang L, Guo Z, Zhang N, Feng Q, Li B. Polysaccharides From Pogostemon cablin (Blanco) Benth.: Characterization and Antioxidant Activities. Front Pharmacol 2022; 13:933669. [PMID: 35784681 PMCID: PMC9244533 DOI: 10.3389/fphar.2022.933669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 05/26/2022] [Indexed: 11/13/2022] Open
Abstract
Two polysaccharide fractions from Pogostemon cablin (Blanco) Benth. (P. cablin) (designated as PCB-1 and PCB2-1) were isolated by water extraction and purified by Sepharose chromatography. The chemical properties of the polysaccharides were characterised, and their antioxidant activities were evaluated. The sugar content of the crude polysaccharide (PCB), PCB-1, and PCB2-1 was 58.74, 90.23 and 88.61%, respectively. The molecular weights of PCB-1 and PCB2-1 were determined to be 97.8 and 12.8 kDa, respectively. Monosaccharide composition analysis showed that all the three polysaccharides consisted of mannose, rhamnose, galacturonic acid, galactose, glucose, and arabinose, but with varying molar ratios. The polysaccharides exhibited significantly high antioxidant activities in vitro based on the scavenging activity against hydroxyl radicals, metal ion-chelating and ferric-reducing abilities. In vivo experiments in an oxidatively damaged mice model showed that PCB-1 increased the levels of antioxidant enzymes, including superoxide dismutase, catalase, and glutathione peroxidase, and inhibited malondialdehyde formation in the serum and liver. These findings suggest that PCB-1 has significant potential as an antioxidant in functional foods.
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Affiliation(s)
- Lei Zhao
- School of Graduation, Changchun University of Chinese Medicine, Changchun, China
| | - Lei Wang
- School of Pharmaceutical Sciences, Changchun University of Chinese Medicine, Changchun, China
| | - Zimeng Guo
- School of Pharmaceutical Sciences, Changchun University of Chinese Medicine, Changchun, China
| | - Ning Zhang
- School of Pharmaceutical Sciences, Changchun University of Chinese Medicine, Changchun, China
| | - Qisheng Feng
- School of Pharmaceutical Sciences, Changchun University of Chinese Medicine, Changchun, China
| | - Bo Li
- School of Pharmaceutical Sciences, Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Bo Li,
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Barzkar N, Sheng R, Sohail M, Jahromi ST, Babich O, Sukhikh S, Nahavandi R. Alginate Lyases from Marine Bacteria: An Enzyme Ocean for Sustainable Future. Molecules 2022; 27:3375. [PMID: 35684316 PMCID: PMC9181867 DOI: 10.3390/molecules27113375] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/11/2022] [Accepted: 05/16/2022] [Indexed: 12/13/2022] Open
Abstract
The cell wall of brown algae contains alginate as a major constituent. This anionic polymer is a composite of β-d-mannuronate (M) and α-l-guluronate (G). Alginate can be degraded into oligosaccharides; both the polymer and its products exhibit antioxidative, antimicrobial, and immunomodulatory activities and, hence, find many commercial applications. Alginate is attacked by various enzymes, collectively termed alginate lyases, that degrade glycosidic bonds through β-elimination. Considering the abundance of brown algae in marine ecosystems, alginate is an important source of nutrients for marine organisms, and therefore, alginate lyases play a significant role in marine carbon recycling. Various marine microorganisms, particularly those that thrive in association with brown algae, have been reported as producers of alginate lyases. Conceivably, the marine-derived alginate lyases demonstrate salt tolerance, and many are activated in the presence of salts and, therefore, find applications in the food industry. Therefore, this review summarizes the structural and biochemical features of marine bacterial alginate lyases along with their applications. This comprehensive information can aid in the expansion of future prospects of alginate lyases.
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Affiliation(s)
- Noora Barzkar
- Department of Marine Biology, Faculty of Marine Science and Technology, University of Hormozgan, Bandar Abbas 3995, Iran
| | - Ruilong Sheng
- CQM—Centro de Química da Madeira, Campus da Penteada, Universidade da Madeira, 9000-390 Funchal, Portugal;
- Department of Radiology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200072, China
| | - Muhammad Sohail
- Department of Microbiology, University of Karachi, Karachi 75270, Pakistan;
| | - Saeid Tamadoni Jahromi
- Persian Gulf and Oman Sea Ecology Research Center, Iranian Fisheries Sciences Research Institute, Agricultural Research Education and Extension Organization (AREEO), Bandar Abbas 9145, Iran;
| | - Olga Babich
- Institute of Living Systems, Immanuel Kant Baltic Federal University, A. Nevskogo Street 14, Kaliningrad 236016, Russia; (O.B.); (S.S.)
| | - Stanislav Sukhikh
- Institute of Living Systems, Immanuel Kant Baltic Federal University, A. Nevskogo Street 14, Kaliningrad 236016, Russia; (O.B.); (S.S.)
| | - Reza Nahavandi
- Animal Science Research Institute of Iran (ASRI), Agricultural Research, Education and Extension Organization (AREEO), Karaj 8361, Iran;
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Lu S, Na K, Wei J, Zhang L, Guo X. Alginate oligosaccharides: The structure-function relationships and the directional preparation for application. Carbohydr Polym 2022; 284:119225. [PMID: 35287920 DOI: 10.1016/j.carbpol.2022.119225] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/20/2022] [Accepted: 02/02/2022] [Indexed: 01/02/2023]
Abstract
Alginate oligosaccharides (AOS) are degradation products of alginate extracted from brown algae. With low molecular weight, high water solubility, and good biological activity, AOS present anti-inflammatory, antimicrobial, antioxidant, and antitumor properties. They also exert growth-promoting effects in animals and plants. Three types of AOS, mannuronate oligosaccharides (MAOS), guluronate oligosaccharides (GAOS), and heterozygous mannuronate and guluronate oligosaccharides (HAOS), can be produced from alginate by enzymatic hydrolysis. Thus far, most studies on the applications and biological activities of AOS have been based mainly on a hybrid form of HAOS. To improve the directional production of AOS for practical applications, systematic studies on the structures and related biological activities of AOS are needed. This review provides a summary of current understanding of structure-function relationships and advances in the production of AOS. The current challenges and opportunities in the application of AOS is suggested to guide the precise application of AOS in practice.
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Affiliation(s)
- Shuang Lu
- College of Life Science, South-Central University for Nationalities, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China
| | - Kai Na
- College of Life Science, South-Central University for Nationalities, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China
| | - Jiani Wei
- College of Life Science, South-Central University for Nationalities, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China
| | - Li Zhang
- College of Life Science, South-Central University for Nationalities, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China
| | - Xiaohua Guo
- College of Life Science, South-Central University for Nationalities, No. 182, Minyuan Road, Hongshan District, Wuhan City, Hubei Province 430074, China.
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41
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Improvement of ovarian insufficiency from alginate oligosaccharide in mice. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.104995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Wang M, Zhou J, Tavares J, Pinto CA, Saraiva JA, Prieto MA, Cao H, Xiao J, Simal-Gandara J, Barba FJ. Applications of algae to obtain healthier meat products: A critical review on nutrients, acceptability and quality. Crit Rev Food Sci Nutr 2022; 63:8357-8374. [PMID: 35357258 DOI: 10.1080/10408398.2022.2054939] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Meat constitutes one the main protein sources worldwide. However, ethical and health concerns have limited its consumption over the last years. To overcome this negative impact, new ingredients from natural sources are being applied to meat products to obtain healthier proteinaceous meat products. Algae is a good source of unsaturated fatty acids, proteins, essential amino acids, and vitamins, which can nutritionally enrich several foods. On this basis, algae have been applied to meat products as a functional ingredient to obtain healthier meat-based products. This paper mainly reviews the bioactive compounds in algae and their application in meat products. The bioactive ingredients present in algae can give meat products functional properties such as antioxidant, neuroprotective, antigenotoxic, resulting in healthier foods. At the same time, algae addition to foods can also contribute to delay microbial spoilage extending shelf-life. Additionally, other algae-based applications such as for packaging materials for meat products are being explored. However, consumers' acceptance for new products (particularly in Western countries), namely those containing algae, not only depends on their knowledge, but also on their eating habits. Therefore, it is necessary to further explore the nutritional properties of algae-containing meat products to overcome the gap between new meat products and traditional products, so that healthier algae-containing meat can occupy a significant place in the market.
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Affiliation(s)
- Min Wang
- Nutrition and Food Science Area, Preventive Medicine and Public Health, Food Science, Toxicology and Forensic Medicine Department, Faculty of Pharmacy, Universitat de València, Burjassot, València, Spain
- Department of Biotechnology, Institute of Agrochemistry and Food Technology-National Research Council (IATA-CSIC), Paterna, Valencia, Spain
| | - Jianjun Zhou
- Nutrition and Food Science Area, Preventive Medicine and Public Health, Food Science, Toxicology and Forensic Medicine Department, Faculty of Pharmacy, Universitat de València, Burjassot, València, Spain
- Department of Biotechnology, Institute of Agrochemistry and Food Technology-National Research Council (IATA-CSIC), Paterna, Valencia, Spain
| | - Jéssica Tavares
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Carlos A Pinto
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Jorge A Saraiva
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Miguel A Prieto
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, Ourense, Spain
| | - Hui Cao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, Ourense, Spain
| | - Jianbo Xiao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, Ourense, Spain
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, Ourense, Spain
| | - Francisco J Barba
- Nutrition and Food Science Area, Preventive Medicine and Public Health, Food Science, Toxicology and Forensic Medicine Department, Faculty of Pharmacy, Universitat de València, Burjassot, València, Spain
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Silva RD, Carvalho LT, Moraes RM, Medeiros SDF, Lacerda TM. Biomimetic Biomaterials Based on Polysaccharides: Recent Progress and Future Perspectives. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202100501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Rodrigo Duarte Silva
- Nanotechnology National Laboratory for Agriculture (LNNA) Embrapa Instrumentation Rua XV de Novembro 1452 São Carlos SP 13560‐970 Brazil
| | - Layde Teixeira Carvalho
- Department of Chemical Engineering Engineering School of Lorena University of São Paulo (EEL‐USP) Lorena SP 12602‐810 Brazil
| | - Rodolfo Minto Moraes
- Department of Material Engineering Engineering School of Lorena University of São Paulo, (EEL‐USP) Lorena SP 12602‐810 Brazil
| | - Simone de Fátima Medeiros
- Department of Chemical Engineering Engineering School of Lorena University of São Paulo (EEL‐USP) Lorena SP 12602‐810 Brazil
| | - Talita Martins Lacerda
- Department of Biotechnology Engineering School of Lorena University of São Paulo (EEL‐USP) Lorena SP 12602‐810 Brazil
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Le NTM, Le VV, Shin D, Park SM. Growth-promoting Effect of Alginate Oligosaccharides on Rhodobacter sphaeroides. BIOTECHNOL BIOPROC E 2022. [DOI: 10.1007/s12257-021-0246-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lynch RI, Lavelle EC. Immuno-modulatory biomaterials as anti-inflammatory therapeutics. Biochem Pharmacol 2022; 197:114890. [PMID: 34990595 DOI: 10.1016/j.bcp.2021.114890] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/07/2021] [Accepted: 12/07/2021] [Indexed: 12/16/2022]
Abstract
Biocompatible and biodegradable biomaterials are used extensively in regenerative medicine and serve as a tool for tissue replacement, as a platform for regeneration of injured tissue, and as a vehicle for delivery of drugs. One of the key factors that must be addressed in developing successful biomaterial-based therapeutics is inflammation. Whilst inflammation is initially essential for wound healing; bringing about clearance of debris and infection, prolonged inflammation can result in delayed wound healing, rejection of the biomaterial, further tissue damage and increased scarring and fibrosis. In this context, the choice of biomaterial must be considered carefully to minimise further induction of inflammation. Here we address the ability of the biomaterials themselves to modulate inflammatory responses and outline how the physico-chemical properties of the materials impact on their pro and anti-inflammatory properties (Fig. 1).
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Affiliation(s)
- Roisin I Lynch
- Adjuvant Research Group, School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, D02R590, Dublin 2, Ireland
| | - Ed C Lavelle
- Adjuvant Research Group, School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, D02R590, Dublin 2, Ireland.
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Gao SK, Yin R, Wang XC, Jiang HN, Liu XX, Lv W, Ma Y, Zhou YX. Structure Characteristics, Biochemical Properties, and Pharmaceutical Applications of Alginate Lyases. Mar Drugs 2021; 19:628. [PMID: 34822499 PMCID: PMC8618178 DOI: 10.3390/md19110628] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/27/2021] [Accepted: 11/06/2021] [Indexed: 02/07/2023] Open
Abstract
Alginate, the most abundant polysaccharides of brown algae, consists of various proportions of uronic acid epimers α-L-guluronic acid (G) and β-D-mannuronic acid (M). Alginate oligosaccharides (AOs), the degradation products of alginates, exhibit excellent bioactivities and a great potential for broad applications in pharmaceutical fields. Alginate lyases can degrade alginate to functional AOs with unsaturated bonds or monosaccharides, which can facilitate the biorefinery of brown algae. On account of the increasing applications of AOs and biorefinery of brown algae, there is a scientific need to explore the important aspects of alginate lyase, such as catalytic mechanism, structure, and property. This review covers fundamental aspects and recent developments in basic information, structural characteristics, the structure-substrate specificity or catalytic efficiency relationship, property, molecular modification, and applications. To meet the needs of biorefinery systems of a broad array of biochemical products, alginate lyases with special properties, such as salt-activated, wide pH adaptation range, and cold adaptation are outlined. Withal, various challenges in alginate lyase research are traced out, and future directions, specifically on the molecular biology part of alginate lyases, are delineated to further widen the horizon of these exceptional alginate lyases.
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Affiliation(s)
| | | | | | | | | | | | | | - Yan-Xia Zhou
- Marine College, Shandong University, Weihai 264209, China; (S.-K.G.); (R.Y.); (X.-C.W.); (H.-N.J.); (X.-X.L.); (W.L.); (Y.M.)
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Nasrollahzadeh M, Ghasemzadeh M, Gharoubi H, Nezafat Z. Progresses in polysaccharide and lignin-based ionic liquids: Catalytic applications and environmental remediation. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117559] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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