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Yuan Q, Shi X, Ma H, Yao Y, Zhang B, Zhao L. Recent progress in marine chondroitin sulfate, dermatan sulfate, and chondroitin sulfate/dermatan sulfate hybrid chains as potential functional foods and therapeutic agents. Int J Biol Macromol 2024; 262:129969. [PMID: 38325688 DOI: 10.1016/j.ijbiomac.2024.129969] [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: 09/24/2023] [Revised: 01/30/2024] [Accepted: 02/02/2024] [Indexed: 02/09/2024]
Abstract
Chondroitin sulfate (CS), dermatan sulfate (DS), and CS/DS hybrid chains are natural complex glycosaminoglycans with high structural diversity and widely distributed in marine organisms, such as fish, shrimp, starfish, and sea cucumber. Numerous CS, DS, and CS/DS hybrid chains with various structures and activities have been obtained from marine animals and have received extensive attention. However, only a few of these hybrid chains have been well-characterized and commercially developed. This review presents information on the extraction, purification, structural characterization, biological activities, potential action mechanisms, and structure-activity relationships of marine CS, DS, and CS/DS hybrid chains. We also discuss the challenges and perspectives in the research of CS, DS, and CS/DS hybrid chains. This review may provide a useful reference for the further investigation, development, and application of CS, DS, and CS/DS hybrid chains in the fields of functional foods and therapeutic agents.
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Affiliation(s)
- Qingxia Yuan
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, PR China; Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, PR China.
| | - Xiang Shi
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, PR China; College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, PR China
| | - Haiqiong Ma
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, PR China
| | - Yue Yao
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, PR China
| | - Baoshun Zhang
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, PR China
| | - Longyan Zhao
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, PR China; Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, PR China.
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Bhattacharyya S, Tobacman JK. Increased Cerebral Serum Amyloid A2 and Parameters of Oxidation in Arylsulfatase B (N-Acetylgalactosamine-4-Sulfatase)-Null Mice. J Alzheimers Dis Rep 2023; 7:527-534. [PMID: 37313486 PMCID: PMC10259053 DOI: 10.3233/adr-230028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 05/09/2023] [Indexed: 06/15/2023] Open
Abstract
Background Chondroitin sulfate and chondroitin sulfate proteoglycans have been associated with Alzheimer's disease (AD), and the impact of modified chondroitin sulfates is being investigated in several animal and cell-based models of AD. Published reports have shown the role of accumulation of chondroitin 4-sulfate and decline in Arylsulfatase B (ARSB; B-acetylgalactosamine-4-sulfatase) in other pathology, including nerve injury, traumatic brain injury, and spinal cord injury. However, the impact of ARSB deficiency on AD pathobiology has not been reported, although changes in ARSB were associated with AD in two prior reports. The enzyme ARSB removes 4-sulfate groups from the non-reducing end of chondroitin 4-sulfate and dermatan sulfate and is required for their degradation. When ARSB activity declines, these sulfated glycosaminoglycans accumulate, as in the inherited disorder Mucopolysaccharidosis VI. Objective Reports about chondroitin sulfate, chondroitin sulfate proteoglycans, and chondroitin sulfatases in AD were reviewed. Methods Measurements of SAA2, iNOS, lipid peroxidation, chondroitin sulfate proteoglycan 4 (CSPG4), and other parameters were performed in cortex and hippocampus from ARSB-null mice and controls by QRT-PCR, ELISA, and other standard assays. Results SAA2 mRNA expression and protein, CSPG4 mRNA, chondroitin 4-sulfate, and iNOS were increased significantly in ARSB-null mice. Measures of lipid peroxidation and redox state were significantly modified. Conclusion Findings indicate that decline in ARSB leads to changes in expression of parameters associated with AD in the hippocampus and cortex of the ARSB-deficient mouse. Further investigation of the impact of decline in ARSB on the development of AD may provide a new approach to prevent and treat AD.
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Affiliation(s)
- Sumit Bhattacharyya
- Department of Medicine, University of Illinois at Chicago and Research, Jesse Brown VAMC, Chicago, IL, USA
| | - Joanne K. Tobacman
- Department of Medicine, University of Illinois at Chicago and Research, Jesse Brown VAMC, Chicago, IL, USA
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Bhattacharyya S, Tobacman JK. Increased Cerebral Serum Amyloid A2 and Parameters of Oxidation in Arylsulfatase B (N-Acetylgalactosamine-4-Sulfatase)-Null Mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.03.535377. [PMID: 37066366 PMCID: PMC10103984 DOI: 10.1101/2023.04.03.535377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Introduction Chondroitin sulfate and chondroitin sulfate proteoglycans have been associated with Alzheimer's Disease (AD), and the impact of modified chondroitin sulfates is being investigated in several animal and cell-based models of AD. Published reports have shown the role of accumulation of chondroitin 4-sulfate and decline in Arylsulfatase B (ARSB; B-acetylgalactosamine-4-sulfatase) in other pathology, including nerve injury, traumatic brain injury, and spinal cord injury. However, the impact of ARSB deficiency on AD pathobiology has not been reported, although changes in ARSB were associated with AD in two prior reports. The enzyme ARSB removes 4-sulfate groups from the non-reducing end of chondroitin 4-sulfate and dermatan sulfate and is required for their degradation. When ARSB activity declines, these sulfated glycosaminoglycans accumulate, as in the inherited disorder Mucopolysaccharidosis VI. Methods Reports about chondroitin sulfate, chondroitin sulfate proteoglycans and chondroitin sulfatases in Alzheimer's Disease were reviewed. Measurements of SAA2, iNOS, lipid peroxidation, chondroitin sulfate proteoglycan 4, and other parameters were performed in cortex and hippocampus from ARSB-null mice and controls by QRT-PCR, ELISA, and other standard assays. Results SAA2 mRNA expression and protein, CSPG4 mRNA, chondroitin 4-sulfate and i-NOS were increased significantly in ARSB-null mice. Measures of lipid peroxidation and redox state were significantly modified. Discussion Findings indicate that decline in ARSB leads to changes in expression of parameters associated with AD in the hippocampus and cortex of the ARSB-deficient mouse. Conclusions Further investigation of the impact of decline in ARSB on the development of AD may provide a new approach to prevent and treat AD.
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Affiliation(s)
- Sumit Bhattacharyya
- Department of Medicine, University of Illinois at Chicago and Research, Jesse Brown VAMC, Chicago, IL 60612, USA
| | - Joanne K Tobacman
- Department of Medicine, University of Illinois at Chicago and Research, Jesse Brown VAMC, Chicago, IL 60612, USA
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Zhang Q, Li J, Sun Y, Song S, Li X, Chen G. Neoagarohexaose Protects against Amyloid β-Induced Oxidative Stress and Aggregation. APPL BIOCHEM MICRO+ 2022. [DOI: 10.1134/s0003683822100179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
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Gao D, Li P, Gao F, Feng Y, Li X, Li D, Li Y, Xiao Y. Preparation and Multitarget Anti-AD Activity Study of Chondroitin Sulfate Lithium in AD Mice Induced by Combination of D-Gal/AlCl 3. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:9466166. [PMID: 36411758 PMCID: PMC9675613 DOI: 10.1155/2022/9466166] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 10/25/2022] [Indexed: 09/26/2023]
Abstract
Previous studies have demonstrated that both CS and LiCl possess anti-Alzheimer's disease (AD) activities. We prepared chondroitin sulfate-Li (CS-Li) and investigated its effect on AD and explored the possible mechanisms both in vitro and in vivo. We found that CS-Li could inhibit amyloid β (Aβ) aggregation and protect SH-SY5Y cells from Aβ 1-42-induced cytotoxicity in vitro. In D-gal and AlCl3-induced AD mouse model, CS-Li improves the spatial learning and memory abilities of AD mice, reverses the nuclear pyknosis and cell edema, and increases the survival rate of neurons in hippocampus of mice. Moreover, CS-Li significantly increased the levels of GSH-Px, Na+/K+-ATPase, and ChAT and decreased the levels of MDA and AchE in AD mice. Western blot results demonstrated that CS-Li could decrease the hyperphosphorylation of tau (Ser396/Ser404) by regulating the expression of p-GSK-3β (Ser9) and PP2A and inhibit the expression of proinflammatory factors through inhibiting NF-κB nuclear translocation by activating the MAPK signaling pathways. In a word, CS-Li can delay AD development through multitarget processes, including Aβ aggregation inhibition, oxidative stress damage, tau hyperphosphorylation, and inflammatory response, thereby improves learning and memory abilities.
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Affiliation(s)
- Debo Gao
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000 Shandong, China
| | - Pingli Li
- Phase I Clinical Trial Center, Qilu Hospital of Shandong University, China
- NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drugs, Shandong University, Jinan 25000, China
| | - Fei Gao
- Taibang Biologic Group Co., Ltd., Taian, 271000 Shandong, China
| | - Yangjun Feng
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000 Shandong, China
| | - Xiaolin Li
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000 Shandong, China
| | - Delong Li
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000 Shandong, China
| | - Yuqin Li
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000 Shandong, China
| | - Yuliang Xiao
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271000 Shandong, China
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Low molecular weight chondroitin sulfate ameliorates pathological changes in 5XFAD mice by improving various functions in the brain. Neuropharmacology 2021; 199:108796. [PMID: 34543632 DOI: 10.1016/j.neuropharm.2021.108796] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 09/05/2021] [Accepted: 09/15/2021] [Indexed: 12/29/2022]
Abstract
Our previous study found that low molecular weight chondroitin sulfate (LMWCS) had neuroprotective effects against the toxicity of amyloid-β (Aβ) peptides both in vitro and in vivo, and we speculated that the effects might be related with its anti-oxidative activities. In this study, the anti-Alzheimer's disease (AD) activity of LMWCS was further studied in 5XFAD transgenic mice. After 4-month gavage, the levels of Aβ1-42 level, amyloid precursor protein (APP) and presenilin 1 (PS1) were significantly decreased in the brains of 5XFAD mice, indicating the alteration of APP metabolism by LMWCS. Besides, LMWCS inhibited the secretions of pro-inflammatory cytokines, including interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α) and IL-6. Furthermore, the suppression of neuroinflammation by LMWCS was supported by the decreased expressions of glial fibrillary acidic protein (GFAP) and toll-like receptor 2 (TLR2) in the brains. LMWCS also reduced the production of reactive oxygen species (ROS) and the level of phospho-tau (Ser404) in the brains. Nevertheless, the changes in the behavior tests were moderate. In conclusion, LMWCS administration ameliorated APP metabolism, neuroinflammation, ROS production and tau protein abnormality in the brains of 5XFAD mice, displaying the potential to improve the pathological changes of AD mouse brain. LMWCS could be considered as a promising anti-AD drug candidate, nonetheless, the therapy regimen need to be optimized to improve its pharmacotherapy efficacy.
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Sun Y, Xu S, Jiang M, Liu X, Yang L, Bai Z, Yang Q. Role of the Extracellular Matrix in Alzheimer's Disease. Front Aging Neurosci 2021; 13:707466. [PMID: 34512308 PMCID: PMC8430252 DOI: 10.3389/fnagi.2021.707466] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 08/04/2021] [Indexed: 12/31/2022] Open
Abstract
Alzheimer’s disease (AD) is a neurodegenerative disease with complex pathological characteristics, whose etiology and pathogenesis are still unclear. Over the past few decades, the role of the extracellular matrix (ECM) has gained importance in neurodegenerative disease. In this review, we describe the role of the ECM in AD, focusing on the aspects of synaptic transmission, amyloid-β-plaque generation and degradation, Tau-protein production, oxidative-stress response, and inflammatory response. The function of ECM in the pathological process of AD will inform future research on the etiology and pathogenesis of AD.
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Affiliation(s)
- Yahan Sun
- College of Life Sciences and Research Center for Resource Peptide Drugs, Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources, Yanan University, Yanan, China
| | - Sen Xu
- College of Life Sciences and Research Center for Resource Peptide Drugs, Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources, Yanan University, Yanan, China
| | - Ming Jiang
- College of Life Sciences and Research Center for Resource Peptide Drugs, Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources, Yanan University, Yanan, China
| | - Xia Liu
- College of Life Sciences and Research Center for Resource Peptide Drugs, Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources, Yanan University, Yanan, China
| | - Liang Yang
- College of Life Sciences and Research Center for Resource Peptide Drugs, Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources, Yanan University, Yanan, China
| | - Zhantao Bai
- College of Life Sciences and Research Center for Resource Peptide Drugs, Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources, Yanan University, Yanan, China
| | - Qinghu Yang
- College of Life Sciences and Research Center for Resource Peptide Drugs, Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources, Yanan University, Yanan, China
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Mycroft-West CJ, Devlin AJ, Cooper LC, Guimond SE, Procter P, Guerrini M, Miller GJ, Fernig DG, Yates EA, Lima MA, Skidmore MA. Glycosaminoglycans from Litopenaeus vannamei Inhibit the Alzheimer's Disease β Secretase, BACE1. Mar Drugs 2021; 19:203. [PMID: 33916819 PMCID: PMC8067017 DOI: 10.3390/md19040203] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/23/2021] [Accepted: 03/26/2021] [Indexed: 11/16/2022] Open
Abstract
Only palliative therapeutic options exist for the treatment of Alzheimer's Disease; no new successful drug candidates have been developed in over 15 years. The widely used clinical anticoagulant heparin has been reported to exert beneficial effects through multiple pathophysiological pathways involved in the aetiology of Alzheimer's Disease, for example, amyloid peptide production and clearance, tau phosphorylation, inflammation and oxidative stress. Despite the therapeutic potential of heparin as a multi-target drug for Alzheimer's disease, the repurposing of pharmaceutical heparin is proscribed owing to the potent anticoagulant activity of this drug. Here, a heterogenous non-anticoagulant glycosaminoglycan extract, obtained from the shrimp Litopenaeus vannamei, was found to inhibit the key neuronal β-secretase, BACE1, displaying a more favorable therapeutic ratio compared to pharmaceutical heparin when anticoagulant activity is considered.
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Affiliation(s)
- Courtney J. Mycroft-West
- Molecular & Structural Biosciences, School of Life Sciences, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, UK; (C.J.M.-W.); (A.J.D.); (L.C.C.); (P.P.); (M.A.L.)
| | - Anthony J. Devlin
- Molecular & Structural Biosciences, School of Life Sciences, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, UK; (C.J.M.-W.); (A.J.D.); (L.C.C.); (P.P.); (M.A.L.)
| | - Lynsay C. Cooper
- Molecular & Structural Biosciences, School of Life Sciences, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, UK; (C.J.M.-W.); (A.J.D.); (L.C.C.); (P.P.); (M.A.L.)
| | - Scott E. Guimond
- School of Medicine, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, UK;
| | - Patricia Procter
- Molecular & Structural Biosciences, School of Life Sciences, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, UK; (C.J.M.-W.); (A.J.D.); (L.C.C.); (P.P.); (M.A.L.)
| | - Marco Guerrini
- Istituto di Ricerche Chimiche e Biochimiche G. Ronzoni, via G. Colombo 81, 20133 Milan, Italy;
| | - Gavin J. Miller
- School of Chemistry, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, UK;
| | - David G. Fernig
- Department of Biochemistry and Systems Biology, ISMIB, University of Liverpool, Crown Street, Liverpool L69 7ZB, UK; (D.G.F.); (E.A.Y.)
| | - Edwin A. Yates
- Department of Biochemistry and Systems Biology, ISMIB, University of Liverpool, Crown Street, Liverpool L69 7ZB, UK; (D.G.F.); (E.A.Y.)
| | - Marcelo A. Lima
- Molecular & Structural Biosciences, School of Life Sciences, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, UK; (C.J.M.-W.); (A.J.D.); (L.C.C.); (P.P.); (M.A.L.)
| | - Mark A. Skidmore
- Molecular & Structural Biosciences, School of Life Sciences, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, UK; (C.J.M.-W.); (A.J.D.); (L.C.C.); (P.P.); (M.A.L.)
- Department of Biochemistry and Systems Biology, ISMIB, University of Liverpool, Crown Street, Liverpool L69 7ZB, UK; (D.G.F.); (E.A.Y.)
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Marine Biocompounds for Neuroprotection-A Review. Mar Drugs 2020; 18:md18060290. [PMID: 32486409 PMCID: PMC7344849 DOI: 10.3390/md18060290] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 05/26/2020] [Accepted: 05/28/2020] [Indexed: 12/12/2022] Open
Abstract
While terrestrial organisms are the primary source of natural products, recent years have witnessed a considerable shift towards marine-sourced biocompounds. They have achieved a great scientific interest due to the plethora of compounds with structural and chemical properties generally not found in terrestrial products, exhibiting significant bioactivity ten times higher than terrestrial-sourced molecules. In addition to the antioxidant, anti-thrombotic, anti-coagulant, anti-inflammatory, anti-proliferative, anti-hypertensive, anti-diabetic, and cardio-protection properties, marine-sourced biocompounds have been investigated for their neuroprotective potential. Thus, this review aims to describe the recent findings regarding the neuroprotective effects of the significant marine-sourced biocompounds.
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Peterson OJ, Cornelison LE, Durham PL. Neuroprotective Effect of Enriched Chicken Bone Broth as a Dietary Supplement in a Model of Migraine Mediated by Early Life Stress. J Med Food 2020; 23:1259-1265. [PMID: 32326809 DOI: 10.1089/jmf.2019.0312] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Early life stress is a risk factor for development of migraine, a prevalent painful neurological disease characterized by sensitization and activation of trigeminal neurons. Secondary early life stress was previously shown to cause increased expression of neuronal proteins implicated in peripheral and central sensitization. Recently, dietary supplementation of chicken bone broth was shown to attenuate trigeminal nociception in an orofacial pain model. Accordingly, the focus of this study was to determine the effects of early life stress and dietary inclusion of bone broth on trigeminal nociceptor sensitization and activation in a model of episodic migraine. Adult Sprague-Dawley male sender rats subjected to primary traumatic stress were placed next to breeding or pregnant female rats that served as receiver rats (secondary traumatic stress) and in proximity to the offspring until weaning. Unstressed and stressed young adult offspring were tested for mechanical nocifensive response after exposure to a pungent odor known to be a migraine trigger, and in response to daily supplementation of bone broth. Early life stress promoted a primed state of trigeminal nociceptors that were activated by the pungent odor in both genders. Female animals exhibited a higher basal sensitization level and prolonged nociception compared with males. Supplementation of bone broth beginning at the time of weaning inhibited basal and triggered trigeminal mechanical sensitivity. Early life stress caused development of a sensitized trigeminal system that is implicated in migraine pathology and dietary supplementation with bone broth suppressed trigeminal sensitization, and thus may provide neuroprotective activity for reducing migraine risk.
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Affiliation(s)
- Orion J Peterson
- Jordan Valley Innovation Center - Center for Biomedical and Life Sciences, Missouri State University, Springfield, Missouri, USA
| | - Lauren E Cornelison
- Jordan Valley Innovation Center - Center for Biomedical and Life Sciences, Missouri State University, Springfield, Missouri, USA
| | - Paul L Durham
- Jordan Valley Innovation Center - Center for Biomedical and Life Sciences, Missouri State University, Springfield, Missouri, USA
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Ji D, Wu X, Li D, Liu P, Zhang S, Gao D, Gao F, Zhang M, Xiao Y. Protective effects of chondroitin sulphate nano-selenium on a mouse model of Alzheimer's disease. Int J Biol Macromol 2020; 154:233-245. [PMID: 32171837 DOI: 10.1016/j.ijbiomac.2020.03.079] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 03/03/2020] [Accepted: 03/10/2020] [Indexed: 01/19/2023]
Abstract
In this study, the effect of chondroitin sulphate nano-selenium (CS@Se) on Alzheimer's disease (AD) in mice was investigated. CS@Se alleviated anxiety and improved the spatial learning and memory impairment in AD mice. CS@Se significantly reduced cell oedema and pyknosis, protected the mitochondria, and improved abnormal changes in the ultrastructure of hippocampal neuron synapses of AD mice. Moreover, CS@Se significantly increased the levels of superoxide dismutase(SOD), glutathione peroxidase (GSH-Px), Na+/K+-ATPase assay (Na+/K+-ATPase) and acetyltransferase (ChAT), and decreased the levels of malondialdehyde (MDA) and acetylcholinesterase (ChAE) in AD mice. Western blot results showed that CS@Se can attenuate excessive phosphorylation of tau (Ser396/Ser404) by regulating the expression of glycogen synthase kinase-3 beta (GSK-3β). In addition, CS@Se can activate the extracellular signal-regulated kinase 1/2 (ERK 1/2) and p38 mitogen-activated protein kinase (p38 MAPK) signalling pathways to inhibit nuclear transcription factor kappa B (NF-κB) nuclear translocation, thereby regulating the expression of pro-inflammatory cytokines. In summary, CS@Se can reduce oxidative stress damage, inhibit excessive tau phosphorylation, reduce inflammation to delay AD development, and increase the learning and memory capacities of AD mice.
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Affiliation(s)
- Dongsheng Ji
- Institute of Pharmacology, School of Pharmaceutical Sciences, Shandong Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Xiaming Wu
- Department of Pharmacy, The Second Affiliated Hospital of Shandong First Medical University, Taian 271000, Shandong, China
| | - Delong Li
- Institute of Pharmacology, School of Pharmaceutical Sciences, Shandong Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Ping Liu
- Institute of Pharmacology, School of Pharmaceutical Sciences, Shandong Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China; Department of Pharmacy, Affiliated Hospital of Heze Medical College, Heze 274000, Shandong, China
| | - Sitao Zhang
- Institute of Pharmacology, School of Pharmaceutical Sciences, Shandong Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Debo Gao
- Institute of Pharmacology, School of Pharmaceutical Sciences, Shandong Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Fei Gao
- Institute of Pharmacology, School of Pharmaceutical Sciences, Shandong Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Mengxiao Zhang
- Institute of Pharmacology, School of Pharmaceutical Sciences, Shandong Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Yuliang Xiao
- Institute of Pharmacology, School of Pharmaceutical Sciences, Shandong Key Laboratory of Cerebral Microcirculation, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China.
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Wang Y, Li S, Xu X, Tan Y, Liu XW, Fang J. Chemoenzymatic synthesis of homogeneous chondroitin polymers and its derivatives. Carbohydr Polym 2019; 232:115822. [PMID: 31952617 DOI: 10.1016/j.carbpol.2019.115822] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 12/18/2019] [Accepted: 12/30/2019] [Indexed: 01/21/2023]
Abstract
Chondroitin sulfate is a linear glycosaminoglycan widely distributed as an important extracellular matrix component of mammalian cells. It participates in numerous pathological processes, however, illustration of its diverse biological roles is hampered by the unavailability of structurally defined chondroitin polymers and their derivatives. Herein, we report a novel homogeneous chondroitin polymers synthetic strategy which combines stepwise oligosaccharides synthesis with one-pot homogeneous chondroitin chain polymerization. Exogenous trisaccharide was proved to be the necessary acceptor for PmCS-catalyzed homogeneous chondroitin polymers synthetic reactions. The strategy exhibited a well-controlled relationship between the final sugar chain length and the molar ratios of reaction substrates that could synthesize homogenous chondroitin polymers with unprecedented narrow molecular weight distribution. More importantly, the strategy was further expanded to synthesis of unnatural zwitterionic and N-sulfonated chondroitin polymers by incorporation of sugar nucleotide derivatives into the synthetic approach.
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Affiliation(s)
- Yaqian Wang
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong 266237, People's Republic of China
| | - Shuang Li
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong 266237, People's Republic of China
| | - Xuan Xu
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong 266237, People's Republic of China
| | - Yujie Tan
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong 266237, People's Republic of China
| | - Xian-Wei Liu
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong 266237, People's Republic of China
| | - Junqiang Fang
- National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong 266237, People's Republic of China.
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Sambon M, Napp A, Demelenne A, Vignisse J, Wins P, Fillet M, Bettendorff L. Thiamine and benfotiamine protect neuroblastoma cells against paraquat and β-amyloid toxicity by a coenzyme-independent mechanism. Heliyon 2019; 5:e01710. [PMID: 31193162 PMCID: PMC6520661 DOI: 10.1016/j.heliyon.2019.e01710] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 02/21/2019] [Accepted: 05/08/2019] [Indexed: 01/22/2023] Open
Abstract
Background Benfotiamine (BFT) is a synthetic thiamine precursor with high bioavailability. It is efficient in treating complications of type 2 diabetes and has beneficial effects in mouse models of neurodegenerative diseases. The mechanism of action of BFT remains unknown, though it is sometimes suggested that it may be linked to increased thiamine diphosphate (ThDP) coenzyme function. Methods We used a mouse neuroblastoma cell line (Neuro2a) grown in thiamine-restricted medium. The cells were stressed by exposure to paraquat (PQ) or amyloid β1-42 peptide in the presence or absence of BFT and the cell survival was measured using the MTT method. In each case, BFT was compared with sulbutiamine (SuBT), an unrelated thiamine precursor, and thiamine. Metabolites of BFT were determined by HPLC and mass spectrometry. Results At 50 μM, BFT protects the cells against PQ and amyloid β1-42 peptide-induced toxicity with the same efficacy. Protective effects were also observed with SuBT and with higher concentrations of thiamine. The main metabolites of BFT were thiamine and S-benzoylthiamine (S-BT). Treatment with both precursors induces a strong increase in intracellular content of thiamine. Protective effects of BFT and SuBT are directly related to thiamine (but not ThDP) levels in Neuro2a cells. Conclusions BFT, SuBT and thiamine all protect the cells against oxidative stress, suggesting an antioxidant effect of thiamine. Our results are not in favor of a direct ROS scavenging effect of thiamine but rather an indirect effect possibly mediated by some antioxidant signaling pathway. It is however not clear whether this effect is due to thiamine itself, its thiol form or an unknown metabolite. General significance Our results suggest a role of thiamine in protection against oxidative stress, independent of the coenzyme function of thiamine diphosphate.
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Key Words
- ARE, antioxidant response element
- BFT, benfotiamine
- Cell biology
- FBS, fetal bovine serum
- Neuroscience
- O-BT, O-benzoylthiamine
- PQ, paraquat
- ROS, reactive oxygen species
- S-BT, S-benzoylthiamine
- SuBT, sulbutiamine
- TPK, thiamine pyrophosphokinase
- ThDP, thiamine diphosphate
- ThMP, thiamine monophosphate
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Affiliation(s)
- Margaux Sambon
- Laboratory of Neurophysiology, GIGA-Neurosciences, University of Liège, Liège, Belgium
| | - Aurore Napp
- Laboratory for the Analysis of Medicines, CIRM, Department of Pharmacy, University of Liège, Liège, Belgium
| | - Alice Demelenne
- Laboratory for the Analysis of Medicines, CIRM, Department of Pharmacy, University of Liège, Liège, Belgium
| | - Julie Vignisse
- Laboratory of Neurophysiology, GIGA-Neurosciences, University of Liège, Liège, Belgium
| | - Pierre Wins
- Laboratory of Neurophysiology, GIGA-Neurosciences, University of Liège, Liège, Belgium
| | - Marianne Fillet
- Laboratory for the Analysis of Medicines, CIRM, Department of Pharmacy, University of Liège, Liège, Belgium
| | - Lucien Bettendorff
- Laboratory of Neurophysiology, GIGA-Neurosciences, University of Liège, Liège, Belgium
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