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Shi YW, Xu CC, Sun CY, Liu JX, Zhao SY, Liu D, Fan XJ, Wang CP. GM1 Ameliorates Neuronal Injury in Rats after Cerebral Ischemia and Reperfusion: Potential Contribution of Effects on SPTBN1-mediated Signaling. Neuroscience 2024; 551:103-118. [PMID: 38810691 DOI: 10.1016/j.neuroscience.2024.05.031] [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: 11/28/2023] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 05/31/2024]
Abstract
Monosialoganglioside GM1 (GM1) has long been used as a therapeutic agent for neurological diseases in the clinical treatment of ischemic stroke. However, the mechanism underlying the neuroprotective function of GM1 is still obscure until now. In this study, we investigated the effects of GM1 in ischemia and reperfusion (I/R) brain injury models. Middle cerebral artery occlusion and reperfusion (MCAO/R) rats were treated with GM1 (60 mg·kg-1·d-1, tail vein injection) for 2 weeks. The results showed that GM1 substantially attenuated the MCAO/R-induced neurological dysfunction and inhibited the inflammatory responses and cell apoptosis in ischemic parietal cortex. We further revealed that GM1 inhibited the activation of NFκB/MAPK signaling pathway induced by MCAO/R injury. To explore its underlying mechanism of the neuroprotective effect, transcriptome sequencing was introduced to screen the differentially expressed genes (DEGs). By function enrichment and PPI network analyses, Sptbn1 was identified as a node gene in the network regulated by GM1 treatment. In the MCAO/R model of rats and oxygen-glucose deprivation and reperfusion (OGD/R) model of primary culture of rat cortical neurons, we first found that SPTBN1 was involved in the attenuation of I/R induced neuronal injury after GM1 administration. In SPTBN1-knockdown SH-SY5Y cells, the treatment with GM1 (20 μM) significantly increased SPTBN1 level. Moreover, OGD/R decreased SPTBN1 level in SPTBN1-overexpressed SH-SY5Y cells. These results indicated that GM1 might achieve its potent neuroprotective effects by regulating inflammatory response, cell apoptosis, and cytomembrane and cytoskeleton signals through SPTBN1. Therefore, SPTBN1 may be a potential target for the treatment of ischemic stroke.
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Affiliation(s)
- Yun-Wei Shi
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong 226001, Jiangsu, People's Republic of China; School of Life Science, Nantong Laboratory of Development and Diseases, Nantong University, Nantong 226019, Jiangsu, People's Republic of China
| | - Chun-Cheng Xu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong 226001, Jiangsu, People's Republic of China
| | - Chun-Yan Sun
- Qilu Pharmaceutical Co., Ltd., Ji'nan 250104, Shandong, People's Republic of China
| | - Jia-Xing Liu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong 226001, Jiangsu, People's Republic of China
| | - Shu-Yong Zhao
- Qilu Pharmaceutical Co., Ltd., Ji'nan 250104, Shandong, People's Republic of China
| | - Dong Liu
- School of Life Science, Nantong Laboratory of Development and Diseases, Nantong University, Nantong 226019, Jiangsu, People's Republic of China.
| | - Xing-Juan Fan
- Department of Neurology, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu, People's Republic of China.
| | - Cai-Ping Wang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong 226001, Jiangsu, People's Republic of China.
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Fukuyama Y, Kubo M, Harada K. Neurotrophic Natural Products. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2024; 123:1-473. [PMID: 38340248 DOI: 10.1007/978-3-031-42422-9_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Neurotrophins (NGF, BDNF, NT3, NT4) can decrease cell death, induce differentiation, as well as sustain the structure and function of neurons, which make them promising therapeutic agents for the treatment of neurodegenerative disorders. However, neurotrophins have not been very effective in clinical trials mostly because they cannot pass through the blood-brain barrier owing to being high-molecular-weight proteins. Thus, neurotrophin-mimic small molecules, which stimulate the synthesis of endogenous neurotrophins or enhance neurotrophic actions, may serve as promising alternatives to neurotrophins. Small-molecular-weight natural products, which have been used in dietary functional foods or in traditional medicines over the course of human history, have a great potential for the development of new therapeutic agents against neurodegenerative diseases such as Alzheimer's disease. In this contribution, a variety of natural products possessing neurotrophic properties such as neurogenesis, neurite outgrowth promotion (neuritogenesis), and neuroprotection are described, and a focus is made on the chemistry and biology of several neurotrophic natural products.
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Affiliation(s)
- Yoshiyasu Fukuyama
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan.
| | - Miwa Kubo
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
| | - Kenichi Harada
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
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Santilli F, Fabrizi J, Martellucci S, Santacroce C, Iorio E, Pisanu ME, Chirico M, Lancia L, Pulcini F, Manganelli V, Sorice M, Delle Monache S, Mattei V. Lipid rafts mediate multilineage differentiation of human dental pulp-derived stem cells (DPSCs). Front Cell Dev Biol 2023; 11:1274462. [PMID: 38020931 PMCID: PMC10665896 DOI: 10.3389/fcell.2023.1274462] [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: 08/08/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Cell outer membranes contain glycosphingolipids and protein receptors, which are integrated into glycoprotein domains, known as lipid rafts, which are involved in a variety of cellular processes, including receptor-mediated signal transduction and cellular differentiation process. In this study, we analyzed the lipidic composition of human Dental Pulp-Derived Stem Cells (DPSCs), and the role of lipid rafts during the multilineage differentiation process. The relative quantification of lipid metabolites in the organic fraction of DPSCs, performed by Nuclear Magnetic Resonance (NMR) spectroscopy, showed that mono-unsaturated fatty acids (MUFAs) were the most representative species in the total pool of acyl chains, compared to polyunsatured fatty acids (PUFAs). In addition, the stimulation of DPSCs with different culture media induces a multilineage differentiation process, determining changes in the gangliosides pattern. To understand the functional role of lipid rafts during multilineage differentiation, DPSCs were pretreated with a typical lipid raft affecting agent (MβCD). Subsequently, DPSCs were inducted to differentiate into osteoblast, chondroblast and adipoblast cells with specific media. We observed that raft-affecting agent MβCD prevented AKT activation and the expression of lineage-specific mRNA such as OSX, PPARγ2, and SOX9 during multilineage differentiation. Moreover, this compound significantly prevented the tri-lineage differentiation induced by specific stimuli, indicating that lipid raft integrity is essential for DPSCs differentiation. These results suggest that lipid rafts alteration may affect the signaling pathway activated, preventing multilineage differentiation.
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Affiliation(s)
- Francesca Santilli
- Biomedicine and Advanced Technologies Rieti Center, “Sabina Universitas”, Rieti, Italy
| | - Jessica Fabrizi
- Biomedicine and Advanced Technologies Rieti Center, “Sabina Universitas”, Rieti, Italy
- Department of Experimental Medicine, “Sapienza” University of Rome, Rome, Italy
| | - Stefano Martellucci
- Biomedicine and Advanced Technologies Rieti Center, “Sabina Universitas”, Rieti, Italy
| | - Costantino Santacroce
- Biomedicine and Advanced Technologies Rieti Center, “Sabina Universitas”, Rieti, Italy
| | - Egidio Iorio
- High Resolution NMR Unit, Core Facilities, Istituto Superiore di Sanità, Rome, Italy
| | - Maria Elena Pisanu
- High Resolution NMR Unit, Core Facilities, Istituto Superiore di Sanità, Rome, Italy
| | - Mattea Chirico
- High Resolution NMR Unit, Core Facilities, Istituto Superiore di Sanità, Rome, Italy
| | - Loreto Lancia
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Fanny Pulcini
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Valeria Manganelli
- Department of Experimental Medicine, “Sapienza” University of Rome, Rome, Italy
| | - Maurizio Sorice
- Department of Experimental Medicine, “Sapienza” University of Rome, Rome, Italy
| | - Simona Delle Monache
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | - Vincenzo Mattei
- Dipartimento di Scienze della Vita, della Salute e delle Professioni Sanitarie, Link Campus University, Rome, Italy
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Guo Z. Ganglioside GM1 and the Central Nervous System. Int J Mol Sci 2023; 24:ijms24119558. [PMID: 37298512 DOI: 10.3390/ijms24119558] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/18/2023] [Accepted: 05/04/2023] [Indexed: 06/12/2023] Open
Abstract
GM1 is one of the major glycosphingolipids (GSLs) on the cell surface in the central nervous system (CNS). Its expression level, distribution pattern, and lipid composition are dependent upon cell and tissue type, developmental stage, and disease state, which suggests a potentially broad spectrum of functions of GM1 in various neurological and neuropathological processes. The major focus of this review is the roles that GM1 plays in the development and activities of brains, such as cell differentiation, neuritogenesis, neuroregeneration, signal transducing, memory, and cognition, as well as the molecular basis and mechanisms for these functions. Overall, GM1 is protective for the CNS. Additionally, this review has also examined the relationships between GM1 and neurological disorders, such as Alzheimer's disease, Parkinson's disease, GM1 gangliosidosis, Huntington's disease, epilepsy and seizure, amyotrophic lateral sclerosis, depression, alcohol dependence, etc., and the functional roles and therapeutic applications of GM1 in these disorders. Finally, current obstacles that hinder more in-depth investigations and understanding of GM1 and the future directions in this field are discussed.
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Affiliation(s)
- Zhongwu Guo
- Department of Chemistry, University of Florida, Gainesville, FL 32611, USA
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Yin B, Li H, Zhao P, Zhao Y, Zheng R, Feng P, Xu C, Li E, Li L. GM1 Reduced the Symptoms of Autism Spectrum Disorder by Suppressing α-Syn Through Activating Autophagy. J Mol Neurosci 2023; 73:287-296. [PMID: 37084025 DOI: 10.1007/s12031-023-02110-5] [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: 09/21/2022] [Accepted: 02/24/2023] [Indexed: 04/22/2023]
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder that cannot be cured. The ASD rat model was developed in this study to demonstrate the role and mechanism of ganglioside GM1 (GM1). Rats were given valproic acid (VPA) to create the ASD rat model. The rats' behaviors were assessed using the Y-maze test, open-field test, three-chamber social interaction test, and Morris water maze test. Relative levels of glutathione (GSH), malondialdehyde (MDA), catalase (CAT), reactive oxygen species (ROS), and superoxide dismutase (SOD) were quantitated using relative kits. Nissl, TUNEL, immunofluorescent, and immunohistochemistry staining techniques were used. GM1 treatment improved the ASD model rats' behavior disorders, including locomotor activity and exploratory behavior, social interaction, learning and memory capacity, and repetitive behavior. Following GM1 injection, striatal neurons grew and apoptosis decreased. GM1 reduced the excessively elevated α-Syn in ASD by encouraging autophagy. The behavior disorder of ASD model rats was exacerbated by autophagy inhibition, which also increased α-Syn levels. By increasing autophagy, GM1 reduced α-Syn levels and, ultimately, improved behavioral abnormalities in ASD model rats.
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Affiliation(s)
- Baoqi Yin
- Department of Children Rehabilitation, The Fifth Affiliated Hospital of Zhengzhou University, No.3 Rehabilitation Street, Zhengzhou, 450052, People's Republic of China
| | - Honglei Li
- Department of Children Rehabilitation, The Fifth Affiliated Hospital of Zhengzhou University, No.3 Rehabilitation Street, Zhengzhou, 450052, People's Republic of China
| | - Pengju Zhao
- Department of Children Rehabilitation, The Fifth Affiliated Hospital of Zhengzhou University, No.3 Rehabilitation Street, Zhengzhou, 450052, People's Republic of China
| | - Yonghong Zhao
- Department of Children Rehabilitation, The Fifth Affiliated Hospital of Zhengzhou University, No.3 Rehabilitation Street, Zhengzhou, 450052, People's Republic of China
| | - Ruijuan Zheng
- Department of Children Rehabilitation, The Fifth Affiliated Hospital of Zhengzhou University, No.3 Rehabilitation Street, Zhengzhou, 450052, People's Republic of China
| | - Pengya Feng
- Department of Children Rehabilitation, The Fifth Affiliated Hospital of Zhengzhou University, No.3 Rehabilitation Street, Zhengzhou, 450052, People's Republic of China
| | - Cuixiang Xu
- Department of Children Rehabilitation, The Fifth Affiliated Hospital of Zhengzhou University, No.3 Rehabilitation Street, Zhengzhou, 450052, People's Republic of China
| | - Enyao Li
- Department of Children Rehabilitation, The Fifth Affiliated Hospital of Zhengzhou University, No.3 Rehabilitation Street, Zhengzhou, 450052, People's Republic of China.
| | - Liguo Li
- Department of Rehabilitation Medicine, Zhengzhou Health Vocational College, No. 69 Jingxiang Road, Zhengzhou, 450000, People's Republic of China.
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McQuaid C, Solorzano A, Dickerson I, Deane R. Uptake of severe acute respiratory syndrome coronavirus 2 spike protein mediated by angiotensin converting enzyme 2 and ganglioside in human cerebrovascular cells. Front Neurosci 2023; 17:1117845. [PMID: 36875642 PMCID: PMC9980911 DOI: 10.3389/fnins.2023.1117845] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 01/30/2023] [Indexed: 02/18/2023] Open
Abstract
Introduction There is clinical evidence of neurological manifestations in coronavirus disease-19 (COVID-19). However, it is unclear whether differences in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)/spike protein (SP) uptake by cells of the cerebrovasculature contribute to significant viral uptake to cause these symptoms. Methods Since the initial step in viral invasion is binding/uptake, we used fluorescently labeled wild type and mutant SARS-CoV-2/SP to study this process. Three cerebrovascular cell types were used (endothelial cells, pericytes, and vascular smooth muscle cells), in vitro. Results There was differential SARS-CoV-2/SP uptake by these cell types. Endothelial cells had the least uptake, which may limit SARS-CoV-2 uptake into brain from blood. Uptake was time and concentration dependent, and mediated by angiotensin converting enzyme 2 receptor (ACE2), and ganglioside (mono-sialotetrahexasylganglioside, GM1) that is predominantly expressed in the central nervous system and the cerebrovasculature. SARS-CoV-2/SPs with mutation sites, N501Y, E484K, and D614G, as seen in variants of interest, were also differentially taken up by these cell types. There was greater uptake compared to that of the wild type SARS-CoV-2/SP, but neutralization with anti-ACE2 or anti-GM1 antibodies was less effective. Conclusion The data suggested that in addition to ACE2, gangliosides are also an important entry point of SARS-CoV-2/SP into these cells. Since SARS-CoV-2/SP binding/uptake is the initial step in the viral penetration into cells, a longer exposure and higher titer are required for significant uptake into the normal brain. Gangliosides, including GM1, could be an additional potential SARS-CoV-2 and therapeutic target at the cerebrovasculature.
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Affiliation(s)
| | | | | | - Rashid Deane
- Department of Neuroscience, Del Monte Institute Neuroscience, University of Rochester, University of Rochester Medical Center (URMC), Rochester, NY, United States
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Ahmad S, Truran S, Karamanova N, Kindelin A, Lozoya M, Weissig V, Emerson H, Griffiths D, Vail T, Lifshitz J, Ducruet AF, Migrino RQ. Nanoliposomes Reduce Stroke Injury Following Middle Cerebral Artery Occlusion in Mice. Stroke 2022; 53:e37-e41. [PMID: 34743535 PMCID: PMC10901257 DOI: 10.1161/strokeaha.121.037120] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND PURPOSE Neuroprotective strategies for stroke remain inadequate. Nanoliposomes comprised of phosphatidylcholine, cholesterol, and monosialogangliosides (nanoliposomes) induced an antioxidant protective response in endothelial cells exposed to amyloid insults. We tested the hypotheses that nanoliposomes will preserve human neuroblastoma (SH-SY5Y) and human brain microvascular endothelial cells viability following oxygen-glucose deprivation (OGD)-reoxygenation and will reduce injury in mice following middle cerebral artery occlusion. METHODS SH-SY5Y and human brain microvascular endothelial cells were exposed to oxygen-glucose deprivation-reoxygenation (3 hours 0.5%-1% oxygen and glucose-free media followed by 20-hour ambient air/regular media) without or with nanoliposomes (300 µg/mL). Viability was measured (calcein-acetoxymethyl fluorescence) and protein expression of antioxidant proteins HO-1 (heme oxygenase-1), NQO1 (NAD[P]H quinone dehydrogenase 1), and SOD1 (superoxide dismutase 1) were measured by Western blot. C57BL/6J mice were treated with saline (n=8) or nanoliposomes (10 mg/mL lipid, 200 µL, n=7) while undergoing 60-minute middle cerebral artery occlusion followed by reperfusion. Day 2 postinjury neurological impairment score and infarction size were compared. RESULTS SH-SY5Y and human brain microvascular endothelial cells showed reduced viability post-oxygen-glucose deprivation-reoxygenation that was reversed by nanoliposomes. Nanoliposomes increased protein expressions of HO-1, NQO1 in both cell types and SOD1 in human brain microvascular endothelial cells. Nanoliposomes-treated mice showed reduced neurological impairment and brain infarct size (18.8±2% versus 27.3±2.3%, P=0.017) versus controls. CONCLUSIONS Nanoliposomes reduced stroke injury in mice subjected to middle cerebral artery occlusion likely through induction of an antioxidant protective response. Nanoliposome is a candidate novel agent for stroke.
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Affiliation(s)
- Saif Ahmad
- Barrow Neurological Institute
- Phoenix Veterans Affairs Healthcare System
| | | | | | | | | | | | | | - Daniel Griffiths
- Phoenix Veterans Affairs Healthcare System
- University of Arizona College of Medicine-Phoenix
| | - Tyler Vail
- University of Arizona College of Medicine-Phoenix
| | - Jonathan Lifshitz
- Phoenix Veterans Affairs Healthcare System
- University of Arizona College of Medicine-Phoenix
| | | | - Raymond Q. Migrino
- Phoenix Veterans Affairs Healthcare System
- University of Arizona College of Medicine-Phoenix
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Wang WJ, Ma YM, He MT, Zhang DH, Wang R, Jing L, Zhang JZ. Oxymatrine Alleviates Hyperglycemic Cerebral Ischemia/Reperfusion Injury via Protecting Microvessel. Neurochem Res 2022; 47:1369-1382. [DOI: 10.1007/s11064-022-03535-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/14/2022] [Accepted: 01/17/2022] [Indexed: 12/15/2022]
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Gangliosides as Biomarkers of Human Brain Diseases: Trends in Discovery and Characterization by High-Performance Mass Spectrometry. Int J Mol Sci 2022; 23:ijms23020693. [PMID: 35054879 PMCID: PMC8775466 DOI: 10.3390/ijms23020693] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/03/2022] [Accepted: 01/06/2022] [Indexed: 12/16/2022] Open
Abstract
Gangliosides are effective biochemical markers of brain pathologies, being also in the focus of research as potential therapeutic targets. Accurate brain ganglioside mapping is an essential requirement for correlating the specificity of their composition with a certain pathological state and establishing a well-defined set of biomarkers. Among all bioanalytical methods conceived for this purpose, mass spectrometry (MS) has developed into one of the most valuable, due to the wealth and consistency of structural information provided. In this context, the present article reviews the achievements of MS in discovery and structural analysis of gangliosides associated with severe brain pathologies. The first part is dedicated to the contributions of MS in the assessment of ganglioside composition and role in the specific neurodegenerative disorders: Alzheimer’s and Parkinson’s diseases. A large subsequent section is devoted to cephalic disorders (CD), with an emphasis on the MS of gangliosides in anencephaly, the most common and severe disease in the CD spectrum. The last part is focused on the major accomplishments of MS-based methods in the discovery of ganglioside species, which are associated with primary and secondary brain tumors and may either facilitate an early diagnosis or represent target molecules for immunotherapy oriented against brain cancers.
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Wang X, Chen Y, Wang Y, Wen L. Monosialotetrahexosylganglioside sodium combined with hyperbaric oxygen on nervous system development and brain physiology in children with hypoxic ischemic encephalopathy. Am J Transl Res 2021; 13:3833-3838. [PMID: 34017573 PMCID: PMC8129238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 09/10/2020] [Indexed: 06/12/2023]
Abstract
To investigate the short-term and long-term clinical effects of monosialotetrahexosylganglioside sodium (GM1) combined with hyperbaric oxygen in neonatal hypoxic ischemic encephalopathy. A total of 80 children with hypoxic ischemic encephalopathy who were admitted to our hospital from January 2016 to March 2018 were selected and divided into the observation group and control group according to a random alphabet method, with 40 cases in each group. Neuron-specific enolase (NSE) and amplitude-integrated electroencephalogram (aEEG) were monitored after treatment in both groups, and the mental development index (MDI) and the psychomotor development index (PDI) of children were evaluated by the Bayley Scales of Infant Development (BSID) 12 months after discharge. The results showed that there were no significant differences in NSE levels and aEEG scores of children with mild severity between the two groups after treatment (P > 0.05). However, in both moderate and severe children, the NSE level and aEEG score in the observation group were significantly lower than that in the control group (P < 0.05). There were no statistically significant differences in MDI and PDI scores of children with mild severity between the two groups after 12 months of treatment (P > 0.05). However, in both moderate and severe children, the MDI and PDI scores in the observation group were significantly higher than that in the control group (P < 0.05). The incidence of adverse reactions in the observation group and the control group were 12.50% and 7.50%, respectively, (P = 0.640). The treatment of neonatal Neonatal hypoxic ischemic encephalopathy (HIE) with GM1 combined with hyperbaric oxygen can significantly improve the short-term and long-term nervous system development and brain physiology in children with moderate and severe HIE.
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Affiliation(s)
- Xiuli Wang
- Department of Pediatrics, Liaocheng People’s HospitalLiaocheng 252500, Shandong, China
| | - Yulin Chen
- Department of Surgical Anesthesiology, Tai’an City Central HospitalTai’an 271000, Shandong, China
| | - Yonghong Wang
- Department of Hepatobiliary Surgery, Tai’an City Central HospitalTai’an 271000, Shandong, China
| | - Linbao Wen
- Department of Neurosurgery, Second Affiliated Hospital of Guizhou University of Traditional Chinese MedicineGuiyang 550001, Guizhou, China
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GM1 Oligosaccharide Crosses the Human Blood-Brain Barrier In Vitro by a Paracellular Route. Int J Mol Sci 2020; 21:ijms21082858. [PMID: 32325905 PMCID: PMC7215935 DOI: 10.3390/ijms21082858] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/16/2020] [Accepted: 04/17/2020] [Indexed: 01/08/2023] Open
Abstract
Ganglioside GM1 (GM1) has been reported to functionally recover degenerated nervous system in vitro and in vivo, but the possibility to translate GM1′s potential in clinical settings is counteracted by its low ability to overcome the blood–brain barrier (BBB) due to its amphiphilic nature. Interestingly, the soluble and hydrophilic GM1-oligosaccharide (OligoGM1) is able to punctually replace GM1 neurotrophic functions alone, both in vitro and in vivo. In order to take advantage of OligoGM1 properties, which overcome GM1′s pharmacological limitations, here we characterize the OligoGM1 brain transport by using a human in vitro BBB model. OligoGM1 showed a 20-fold higher crossing rate than GM1 and time–concentration-dependent transport. Additionally, OligoGM1 crossed the barrier at 4 °C and in inverse transport experiments, allowing consideration of the passive paracellular route. This was confirmed by the exclusion of a direct interaction with the active ATP-binding cassette (ABC) transporters using the “pump out” system. Finally, after barrier crossing, OligoGM1 remained intact and able to induce Neuro2a cell neuritogenesis by activating the TrkA pathway. Importantly, these in vitro data demonstrated that OligoGM1, lacking the hydrophobic ceramide, can advantageously cross the BBB in comparison with GM1, while maintaining its neuroproperties. This study has improved the knowledge about OligoGM1′s pharmacological potential, offering a tangible therapeutic strategy.
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Chiricozzi E, Lunghi G, Di Biase E, Fazzari M, Sonnino S, Mauri L. GM1 Ganglioside Is A Key Factor in Maintaining the Mammalian Neuronal Functions Avoiding Neurodegeneration. Int J Mol Sci 2020; 21:E868. [PMID: 32013258 PMCID: PMC7037093 DOI: 10.3390/ijms21030868] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/23/2020] [Accepted: 01/27/2020] [Indexed: 12/11/2022] Open
Abstract
Many species of ganglioside GM1, differing for the sialic acid and ceramide content, have been characterized and their physico-chemical properties have been studied in detail since 1963. Scientists were immediately attracted to the GM1 molecule and have carried on an ever-increasing number of studies to understand its binding properties and its neurotrophic and neuroprotective role. GM1 displays a well balanced amphiphilic behavior that allows to establish strong both hydrophobic and hydrophilic interactions. The peculiar structure of GM1 reduces the fluidity of the plasma membrane which implies a retention and enrichment of the ganglioside in specific membrane domains called lipid rafts. The dynamism of the GM1 oligosaccharide head allows it to assume different conformations and, in this way, to interact through hydrogen or ionic bonds with a wide range of membrane receptors as well as with extracellular ligands. After more than 60 years of studies, it is a milestone that GM1 is one of the main actors in determining the neuronal functions that allows humans to have an intellectual life. The progressive reduction of its biosynthesis along the lifespan is being considered as one of the causes underlying neuronal loss in aged people and severe neuronal decline in neurodegenerative diseases. In this review, we report on the main knowledge on ganglioside GM1, with an emphasis on the recent discoveries about its bioactive component.
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Affiliation(s)
| | | | | | | | - Sandro Sonnino
- Department of Medical Biotechnology and Translational Medicine, University of Milano, 20090 Segrate, Milano, Italy; (E.C.)
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Chiricozzi E, Mauri L, Lunghi G, Di Biase E, Fazzari M, Maggioni M, Valsecchi M, Prioni S, Loberto N, Pomè DY, Ciampa MG, Fato P, Verlengia G, Cattaneo S, Assini R, Wu G, Alselehdar S, Ledeen RW, Sonnino S. Parkinson's disease recovery by GM1 oligosaccharide treatment in the B4galnt1 +/- mouse model. Sci Rep 2019; 9:19330. [PMID: 31852959 PMCID: PMC6920361 DOI: 10.1038/s41598-019-55885-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 12/03/2019] [Indexed: 01/25/2023] Open
Abstract
Given the recent in vitro discovery that the free soluble oligosaccharide of GM1 is the bioactive portion of GM1 for neurotrophic functions, we investigated its therapeutic potential in the B4galnt1+/− mice, a model of sporadic Parkinson’s disease. We found that the GM1 oligosaccharide, systemically administered, reaches the brain and completely rescues the physical symptoms, reduces the abnormal nigral α-synuclein content, restores nigral tyrosine hydroxylase expression and striatal neurotransmitter levels, overlapping the wild-type condition. Thus, this study supports the idea that the Parkinson’s phenotype expressed by the B4galnt1+/− mice is due to a reduced level of neuronal ganglioside content and lack of interactions between the oligosaccharide portion of GM1 with specific membrane proteins. It also points to the therapeutic potential of the GM1 oligosaccharide for treatment of sporadic Parkinson’s disease.
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Affiliation(s)
- Elena Chiricozzi
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy.
| | - Laura Mauri
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Giulia Lunghi
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Erika Di Biase
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Maria Fazzari
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Margherita Maggioni
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Manuela Valsecchi
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Simona Prioni
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Nicoletta Loberto
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Diego Yuri Pomè
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Maria Grazia Ciampa
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Pamela Fato
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy
| | - Gianluca Verlengia
- School of Medicine, University Vita-Salute San Raffaele, Milano, Italy.,Department of Medical Sciences and National Institute of Neuroscience, University of Ferrara, Ferrara, Italy
| | - Stefano Cattaneo
- School of Medicine, University Vita-Salute San Raffaele, Milano, Italy
| | - Robert Assini
- Rutgers, The State University of New Jersey, Newark, New Jersey, USA
| | - Gusheng Wu
- Division of Neurochemistry, Department of Pharmacology, Physiology & Neuroscience, Rutgers New Jersey Medical School, Newark, NJ, USA
| | - Samar Alselehdar
- Division of Neurochemistry, Department of Pharmacology, Physiology & Neuroscience, Rutgers New Jersey Medical School, Newark, NJ, USA
| | - Robert W Ledeen
- Division of Neurochemistry, Department of Pharmacology, Physiology & Neuroscience, Rutgers New Jersey Medical School, Newark, NJ, USA
| | - Sandro Sonnino
- Department of Medical Biotechnology and Transcriptional Medicine, University of Milano, Milano, Italy.
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