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Li Z, Wu N, Wang J, Yue Y, Geng L, Zhang Q. Low molecular weight fucoidan restores diabetic endothelial glycocalyx by targeting neuraminidase2: A new therapy target in glycocalyx shedding. Br J Pharmacol 2024; 181:1404-1420. [PMID: 37994102 DOI: 10.1111/bph.16288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 09/16/2023] [Accepted: 11/13/2023] [Indexed: 11/24/2023] Open
Abstract
BACKGROUND AND PURPOSE Diabetic vascular complication is a leading cause of disability and mortality in diabetes patients. Low molecular weight fucoidan (LMWF) is a promising drug candidate for vascular complications. Glycocalyx injury predates the occurrence of diabetes vascular complications. Protecting glycocalyx from degradation relieves diabetic vascular complications. LMWF has the potential to protect the diabetes endothelial glycocalyx from shedding. EXPERIMENTAL APPROACH The protective effect of LMWF on diabetic glycocalyx damage was investigated in db/db mice and Human Umbilical Vein Endothelial Cells (HUVEC) through transmission electron microscopy and WGA labelling. The effect of LMWF on glycocalyx degrading enzymes expression was investigated. Neuraminidase2 (NEU2) overexpression/knockdown was performed in HUVECs to verify the important role of NEU2 in glycocalyx homeostasis. The interaction between NEU2 and LMWF was detected by ELISA and surface plasmon resonance analysis (SPR). KEY RESULTS LMWF normalizes blood indexes including insulin, triglyceride, uric acid and reduces diabetes complications adverse events. LMWF alleviates diabetic endothelial glycocalyx damage in db/db mice kidney/aorta and high concentration glucose treated HUVECs. NEU2 is up-regulated in db/db mice and HUVECs with high concentration glucose. Overexpression/knockdown NEU2 results in glycocalyx shedding in HUVEC. Down-regulation and interaction of LMWF with NEU2 is a new therapy target in glycocalyx homeostasis. NEU2 was positively correlated with phosphorylated IR-β. CONCLUSION AND IMPLICATIONS NEU2 is an effective target for glycocalyx homeostasis and LMWF is a promising drug to alleviate vascular complications in diabetes by protecting endothelial glycocalyx.
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Affiliation(s)
- Zhi Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
- Research Center for Cardiopulmonary Rehabilitation, University of Health and Rehabilitation Sciences Qingdao Hospital (Qingdao Municipal Hospital), School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao, China
- Laboratory for Marine Biology and Biotechnology, National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
- Laboratory for Marine Drugs and Biological Products, National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
| | - Ning Wu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
- Laboratory for Marine Drugs and Biological Products, National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jing Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
- Laboratory for Marine Biology and Biotechnology, National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
| | - Yang Yue
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
- Laboratory for Marine Biology and Biotechnology, National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
| | - Lihua Geng
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
- Laboratory for Marine Biology and Biotechnology, National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
| | - Quanbin Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
- Laboratory for Marine Biology and Biotechnology, National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
- Laboratory for Marine Drugs and Biological Products, National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
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Liu C, Pang M, Wang Q, Yan M, Zhou Y, Yao H, Du B. Intestinal Absorption of Nanoparticles to Reduce Oxidative Stress and Vasoconstriction for Treating Diabetic Nephropathy. ACS Biomater Sci Eng 2024; 10:1517-1529. [PMID: 38377553 DOI: 10.1021/acsbiomaterials.3c01353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
The etiology of diabetic nephropathy (DN) is complex, and the incidence is increasing year by year. The patient's kidney showed oxidative stress damage, increasing active oxygen species (ROS) content, and vasoconstriction. Due to poor drug solubility and low renal accumulation, the current treatment regimens have not effectively alleviated glomerulopathy and other kidney damage caused by DN. Therefore, it is of great significance to explore new treatment strategies and drug delivery systems. Here, we constructed an oral nanodelivery system (Tel/CAN@CS-DA) that reduced oxidative stress and vasoconstriction. Deoxycholic acid (DA)-modified nanoparticles entered into intestinal epithelial cells (Caco2 cells) via the bile acid biomimetic pathway, then escaped from the lysosomes and eventually spat out the cells, increasing the oral absorption of nanoparticles. Chitosan (CS) nanoparticles could achieve renal targeting through specific binding with a renal giant protein receptor and deliver drugs to renal tubule epithelial cells (HK-2 cells). In vitro studies also proved that telmisartan (Tel) and canagliflozin (CAN) effectively removed cellular reactive oxygen species (ROS) and reduced HK-2 cell apoptosis caused by high glucose. In the in vivo model induced by streptozotocin (STZ), the results showed that the nanosystem not only elevated AMPK protein expression, inhibited angiotensin II (Ang II) protein expression to effectively reduce oxidative stress level, dilated renal blood vessels but also reduced the degree of inflammation and fibrosis. Overall, Tel/CAN@CS-DA multifunctional oral nanosystem can effectively treat DN with low toxicity, which provides a new idea for the treatment of DN.
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Affiliation(s)
- Chenxin Liu
- School of Pharmaceutical Sciences, Zhengzhou University, 100 Science Road, Zhengzhou 450001, China
| | - Mengxue Pang
- School of Pharmaceutical Sciences, Zhengzhou University, 100 Science Road, Zhengzhou 450001, China
| | - Qingyu Wang
- School of Pharmaceutical Sciences, Zhengzhou University, 100 Science Road, Zhengzhou 450001, China
| | - Mei Yan
- School of Pharmaceutical Sciences, Zhengzhou University, 100 Science Road, Zhengzhou 450001, China
| | - Yingying Zhou
- School of Pharmaceutical Sciences, Zhengzhou University, 100 Science Road, Zhengzhou 450001, China
| | - Hanchun Yao
- School of Pharmaceutical Sciences, Zhengzhou University, 100 Science Road, Zhengzhou 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Henan Province, 100 Science Road, Zhengzhou 450001, China
| | - Bin Du
- School of Pharmaceutical Sciences, Zhengzhou University, 100 Science Road, Zhengzhou 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Henan Province, 100 Science Road, Zhengzhou 450001, China
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Tong A, Li Z, Liu X, Ge X, Zhao R, Liu B, Zhao L, Zhao C. Laminaria japonica polysaccharide alleviates type 2 diabetes by regulating the microbiota-gut-liver axis: A multi-omics mechanistic analysis. Int J Biol Macromol 2024; 258:128853. [PMID: 38134985 DOI: 10.1016/j.ijbiomac.2023.128853] [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: 08/30/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023]
Abstract
The hypoglycemic effects of low-molecular-weight Laminaria japonica polysaccharide (LJO) were investigated in type 2 diabetes mellitus (T2DM) mice, focusing on its effect on the microbiome, metabolome, and transcriptome. The findings demonstrated that LJO significantly reduced fasting blood glucose levels, insulin levels, and inflammatory factors. Additionally, LJO induced changes in gut microbiota composition and increased the concentrations of cecal short-chain fatty acids. Analysis of transcriptomics and metabolomics data revealed that LJO primarily altered the endocrine and digestive systems, signal transduction, and lipid metabolism. It led to a decrease in palmitic acid levels and an increase in glutathione levels. Real-time quantitative polymerase chain reaction assay suggested that LJO upregulated Irs1 expression, consequently reducing insulin resistance. These findings strongly suggest that LJO holds promise in ameliorating T2DM and may serve as a potential dietary supplement for patients with T2DM.
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Affiliation(s)
- Aijun Tong
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Zhiqun Li
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Xiaoyan Liu
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health; Beijing Technology and Business University, Beijing 100048, China
| | - Xiaodong Ge
- College of Marine and Bioengineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China
| | - Runfan Zhao
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Bin Liu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; National Engineering Research Center of JUNCAO Technology, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Lina Zhao
- National Engineering Research Center of JUNCAO Technology, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Chao Zhao
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; College of Marine Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; State Key Laboratory of Mariculture Breeding, Key Laboratory of Marine Biotechnology of Fujian Province, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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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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Jayasinghe AMK, Kirindage KGIS, Fernando IPS, Kim KN, Oh JY, Ahn G. The Anti-Inflammatory Effect of Low Molecular Weight Fucoidan from Sargassum siliquastrum in Lipopolysaccharide-Stimulated RAW 264.7 Macrophages via Inhibiting NF-κB/MAPK Signaling Pathways. Mar Drugs 2023; 21:347. [PMID: 37367672 PMCID: PMC10303138 DOI: 10.3390/md21060347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/02/2023] [Accepted: 06/03/2023] [Indexed: 06/28/2023] Open
Abstract
Brown seaweed is a rich source of fucoidan, which exhibits a variety of biological activities. The present study discloses the protective effect of low molecular weight fucoidan (FSSQ) isolated from an edible brown alga, Sargassum siliquastrum, on lipopolysaccharide (LPS)-stimulated inflammatory responses in RAW 264.7 macrophages. The findings of the study revealed that FSSQ increases cell viability while decreasing intracellular reactive oxygen species production in LPS-stimulated RAW 264.7 macrophages dose-dependently. FSSQ reduced the iNOS and COX-2 expression, inhibiting the NO and prostaglandin E2 production. Furthermore, mRNA expression of IL-1β, IL-6, and TNF-α was downregulated by FSSQ via modulating MAPK and NF-κB signaling. The NLRP3 inflammasome protein complex, including NLRP3, ASC, and caspase-1, as well as the subsequent release of pro-inflammatory cytokines, such as IL-1β and IL-18, release in LPS-stimulated RAW 264.7 macrophages was inhibited by FSSQ. The cytoprotective effect of FSSQ is indicated via Nrf2/HO-1 signaling activation, which is considerably reduced upon suppression of HO-1 activity by ZnPP. Collectively, the study revealed the therapeutic potential of FSSQ against inflammatory responses in LPS-stimulated RAW 264.7 macrophages. Moreover, the study suggests further investigations on commercially viable methods for fucoidan isolation.
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Affiliation(s)
| | | | | | - Kil-Nam Kim
- Chuncheon Center, Korea Basic Science Institute (KBSI), Chuncheon 24341, Republic of Korea;
| | - Jae-Young Oh
- Food Safety and Processing Research Division, National Institute of Fisheries Science, Busan 46083, Republic of Korea;
| | - Ginnae Ahn
- Department of Food Technology and Nutrition, Chonnam National University, Yeosu 59626, Republic of Korea; (A.M.K.J.); (K.G.I.S.K.)
- Department of Marine Bio-Food Sciences, Chonnam National University, Yeosu 59626, Republic of Korea
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Xu Y, Xie L, Hou T, Wang D, Zhang T, Li C. Preparation and Properties of Asymmetric Polyvinyl Pyrroli-Done/Polycaprolactone Composite Nanofiber Loaded with Tea Tree Extract. Polymers (Basel) 2022; 14:polym14183714. [PMID: 36145862 PMCID: PMC9501611 DOI: 10.3390/polym14183714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022] Open
Abstract
To develop a novel asymmetric nanofiber membrane with antioxidant and antibacterial activities, biocompatible polyvinyl pyrrolidone (PVP) and polycaprolactone (PCL) were used as carriers to load water-soluble tea tree extract (TTE) and hydrophobic tea tree oil (TTO) via electrospinning and electrostatic spraying, respectively, which was named as TTE-PVP-3/TTO-PCL. The results show that uniform TTE-PVP nanofibers with an average diameter of 95 ± 27 nm could be obtained when the mass ratio of TTE to PVP was set as 1:3. Homogeneous TTO/PCL microspheres with an average size of 4.38 ± 0.79 µm could be obtained when the propulsion speed was 0.08 mm/min and the voltage was 10 KV. The activity study showed that TTE could only improve the antioxidant activity of TTE-PVP-3/TTO-PCL, while TTO could improve the antibacterial activity effectively. Under experimental conditions, the inhibition zones of TTE-PVP-3/TTO-PCL against Staphylococcus aureus and Escherichia coli were 7.50 ± 0.48 mm and 9.55 ± 0.45 mm, respectively, and its scavenging rates for 2,2-diphenylpicrylhydrazyl (DHPP) and hydroxyl radical were 59.79 ± 4.10% and 61.02 ± 4.95%, respectively. In conclusions, TTE-PVP-3/TTO PCL can be potentially used as a new kind of anti-oxidative and antibacterial wound dressings.
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Affiliation(s)
- Yu Xu
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China
| | - Lei Xie
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China
| | - Tingting Hou
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China
- Zhanjiang Key Laboratory of Comprehensive Utilization of Chemical Research for Marine Resources, Zhanjiang 524088, China
- Zhanjiang Key Laboratory of Marine Bio-Materials Research, Zhanjiang 524088, China
- Correspondence:
| | - Di Wang
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China
| | - Tong Zhang
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China
| | - Chengpeng Li
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China
- Zhanjiang Key Laboratory of Comprehensive Utilization of Chemical Research for Marine Resources, Zhanjiang 524088, China
- Zhanjiang Key Laboratory of Marine Bio-Materials Research, Zhanjiang 524088, China
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