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Feng Y, Sun L, Dang X, Liu D, Liao Z, Yao J, Zhang Y, Deng Z, Li J, Zhao M, Liu F. Aberrant glycosylation in schizophrenia: insights into pathophysiological mechanisms and therapeutic potentials. Front Pharmacol 2024; 15:1457811. [PMID: 39286629 PMCID: PMC11402814 DOI: 10.3389/fphar.2024.1457811] [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: 07/01/2024] [Accepted: 08/22/2024] [Indexed: 09/19/2024] Open
Abstract
Schizophrenia (SCZ) is a severe neuropsychiatric disorder characterized by cognitive, affective, and social dysfunction, resulting in hallucinations, delusions, emotional blunting, and disordered thinking. In recent years, proteomics has been increasingly influential in SCZ research. Glycosylation, a key post-translational modification, can alter neuronal stability and normal signaling in the nervous system by affecting protein folding, stability, and cellular signaling. Recent research evidence suggests that abnormal glycosylation patterns exist in different brain regions in autopsy samples from SCZ patients, and that there are significant differences in various glycosylation modification types and glycosylation modifying enzymes. Therefore, this review explores the mechanisms of aberrant modifications of N-glycosylation, O-glycosylation, glycosyltransferases, and polysialic acid in the brains of SCZ patients, emphasizing their roles in neurotransmitter receptor function, synaptic plasticity, and neural adhesion. Additionally, the effects of antipsychotic drugs on glycosylation processes and the potential for glycosylation-targeted therapies are discussed. By integrating these findings, this review aims to provide a comprehensive perspective to further understand the role of aberrant glycosylation modifications in the pathophysiology of SCZ.
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Affiliation(s)
- Yanchen Feng
- The First Clinical Medical School, Henan University of Chinese Medicine, Zhengzhou, China
- Traditional Chinese Medicine (Zhong Jing) School, Henan University of Chinese Medicine, Zhengzhou, China
| | - Lu Sun
- The First Clinical Medical School, Henan University of Chinese Medicine, Zhengzhou, China
| | - Xue Dang
- Traditional Chinese Medicine (Zhong Jing) School, Henan University of Chinese Medicine, Zhengzhou, China
| | - Diyan Liu
- Traditional Chinese Medicine (Zhong Jing) School, Henan University of Chinese Medicine, Zhengzhou, China
| | - Ziyun Liao
- College of Acupuncture, Moxibustion and Tuina, Henan University of Chinese Medicine, Zhengzhou, China
| | - Jianping Yao
- Traditional Chinese Medicine (Zhong Jing) School, Henan University of Chinese Medicine, Zhengzhou, China
| | - Yunke Zhang
- School of Rehabilitation Medicine, Henan University of Chinese Medicine, Zhengzhou, China
| | - Ziqi Deng
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, China
| | - Jinyao Li
- Traditional Chinese Medicine (Zhong Jing) School, Henan University of Chinese Medicine, Zhengzhou, China
| | - Min Zhao
- The First Clinical Medical School, Henan University of Chinese Medicine, Zhengzhou, China
- Hospital of Encephalopathy, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Feixiang Liu
- The First Clinical Medical School, Henan University of Chinese Medicine, Zhengzhou, China
- Hospital of Encephalopathy, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
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Guo H, Sun Q, Huang X, Wang X, Zhang F, Qu W, Liu J, Cheng X, Zhu Q, Yi W, Shu Q, Li X. Fucosyltransferase 8 regulates adult neurogenesis and cognition of mice by modulating the Itga6-PI3K/Akt signaling pathway. SCIENCE CHINA. LIFE SCIENCES 2024; 67:1427-1440. [PMID: 38523237 DOI: 10.1007/s11427-023-2510-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 11/14/2023] [Indexed: 03/26/2024]
Abstract
Fucosyltransferase 8 (Fut8) and core fucosylation play critical roles in regulating various biological processes, including immune response, signal transduction, proteasomal degradation, and energy metabolism. However, the function and underlying mechanism of Fut8 and core fucosylation in regulating adult neurogenesis remains unknown. We have shown that Fut8 and core fucosylation display dynamic features during the differentiation of adult neural stem/progenitor cells (aNSPCs) and postnatal brain development. Fut8 depletion reduces the proliferation of aNSPCs and inhibits neuronal differentiation of aNSPCs in vitro and in vivo, respectively. Additionally, Fut8 deficiency impairs learning and memory in mice. Mechanistically, Fut8 directly interacts with integrin α6 (Itga6), an upstream regulator of the PI3k-Akt signaling pathway, and catalyzes core fucosylation of Itga6. Deletion of Fut8 enhances the ubiquitination of Itga6 by promoting the binding of ubiquitin ligase Trim21 to Itga6. Low levels of Itga6 inhibit the activity of the PI3K/Akt signaling pathway. Moreover, the Akt agonist SC79 can rescue neurogenic and behavioral deficits caused by Fut8 deficiency. In summary, our study uncovers an essential function of Fut8 and core fucosylation in regulating adult neurogenesis and sheds light on the underlying mechanisms.
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Affiliation(s)
- Hongfeng Guo
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
- The Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou, 310029, China
| | - Qihang Sun
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
- The Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou, 310029, China
| | - Xiaoli Huang
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
| | - Xiaohao Wang
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
| | - Feng Zhang
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
| | - Wenzheng Qu
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
| | - Jinling Liu
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
| | - Xuejun Cheng
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China
| | - Qiang Zhu
- College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Wen Yi
- College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Qiang Shu
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China.
| | - Xuekun Li
- The Children's Hospital, National Clinical Research Center for Child Health, School of Medicine, Zhejiang University, Hangzhou, 310052, China.
- The Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou, 310029, China.
- Binjiang Institute of Zhejiang University, Hangzhou, 310053, China.
- Zhejiang University Cancer Center, Zhejiang University, Hangzhou, 310029, China.
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3
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Bradberry MM, Peters-Clarke TM, Shishkova E, Chapman ER, Coon JJ. N-glycoproteomics of brain synapses and synaptic vesicles. Cell Rep 2023; 42:112368. [PMID: 37036808 PMCID: PMC10560701 DOI: 10.1016/j.celrep.2023.112368] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 01/13/2023] [Accepted: 03/23/2023] [Indexed: 04/11/2023] Open
Abstract
At mammalian neuronal synapses, synaptic vesicle (SV) glycoproteins are essential for robust neurotransmission. Asparagine (N)-linked glycosylation is required for delivery of the major SV glycoproteins synaptophysin and SV2A to SVs. Despite this key role for N-glycosylation, the molecular compositions of SV N-glycans are largely unknown. In this study, we combined organelle isolation techniques and high-resolution mass spectrometry to characterize N-glycosylation at synapses and SVs from mouse brain. Detecting over 2,500 unique glycopeptides, we found that SVs harbor a distinct population of oligomannose and highly fucosylated N-glycans. Using complementary fluorescence methods, we identify at least one highly fucosylated N-glycan enriched in SVs compared with synaptosomes. High fucosylation was characteristic of SV proteins, plasma membrane proteins, and cell adhesion molecules with key roles in synaptic function and development. Our results define the N-glycoproteome of a specialized neuronal organelle and inform timely questions in the glycobiology of synaptic pruning and neuroinflammation.
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Affiliation(s)
- Mazdak M Bradberry
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; National Center for Quantitative Biology of Complex Systems, Madison, WI 53706, USA; Howard Hughes Medical Institute and Department of Neuroscience, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA; Department of Psychiatry, Columbia University, New York, NY 10032, USA.
| | - Trenton M Peters-Clarke
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; National Center for Quantitative Biology of Complex Systems, Madison, WI 53706, USA
| | - Evgenia Shishkova
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; National Center for Quantitative Biology of Complex Systems, Madison, WI 53706, USA
| | - Edwin R Chapman
- Howard Hughes Medical Institute and Department of Neuroscience, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA
| | - Joshua J Coon
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; National Center for Quantitative Biology of Complex Systems, Madison, WI 53706, USA; Morgridge Institute for Research, Madison, WI 53715, USA
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4
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Suttapitugsakul S, Stavenhagen K, Donskaya S, Bennett DA, Mealer RG, Seyfried NT, Cummings RD. Glycoproteomics Landscape of Asymptomatic and Symptomatic Human Alzheimer's Disease Brain. Mol Cell Proteomics 2022; 21:100433. [PMID: 36309312 PMCID: PMC9706167 DOI: 10.1016/j.mcpro.2022.100433] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 11/27/2022] Open
Abstract
Molecular changes in the brain of individuals afflicted with Alzheimer's disease (AD) are an intense area of study. Little is known about the role of protein abundance and posttranslational modifications in AD progression and treatment, in particular large-scale intact N-linked glycoproteomics analysis. To elucidate the N-glycoproteome landscape, we developed an approach based on multi-lectin affinity enrichment, hydrophilic interaction chromatography, and LC-MS-based glycoproteomics. We analyzed brain tissue from 10 persons with no cognitive impairment or AD, 10 with asymptomatic AD, and 10 with symptomatic AD, detecting over 300 glycoproteins and 1900 glycoforms across the samples. The majority of glycoproteins have N-glycans that are high-mannosidic or complex chains that are fucosylated and bisected. The Man5 N-glycan was found to occur most frequently at >20% of the total glycoforms. Unlike the glycoproteomes of other tissues, sialylation is a minor feature of the brain N-glycoproteome, occurring at <9% among the glycoforms. We observed AD-associated differences in the number of antennae, frequency of fucosylation, bisection, and other monosaccharides at individual glycosylation sites among samples from our three groups. Further analysis revealed glycosylation differences in subcellular compartments across disease stage, including glycoproteins in the lysosome frequently modified with paucimannosidic glycans. These results illustrate the N-glycoproteomics landscape across the spectrum of AD clinical and pathologic severity and will facilitate a deeper understanding of progression and treatment development.
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Affiliation(s)
- Suttipong Suttapitugsakul
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Kathrin Stavenhagen
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Sofia Donskaya
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - David A Bennett
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois, USA
| | - Robert G Mealer
- Psychiatric and Neurodevelopmental Genetics Unit, Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Nicholas T Seyfried
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Richard D Cummings
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA.
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5
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Known and Unexplored Post-Translational Modification Pathways in Schizophrenia. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1400:75-87. [DOI: 10.1007/978-3-030-97182-3_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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6
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Li Y, Ma C, Li W, Yang Y, Li X, Liu J, Wang J, Li S, Liu Y, Li K, Li J, Huang D, Chen R, Lv L, Li M, Luo XJ. A missense variant in NDUFA6 confers schizophrenia risk by affecting YY1 binding and NAGA expression. Mol Psychiatry 2021; 26:6896-6911. [PMID: 33931730 DOI: 10.1038/s41380-021-01125-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/31/2021] [Accepted: 04/13/2021] [Indexed: 12/18/2022]
Abstract
Genome-wide association studies (GWASs) have revealed that genetic variants at the 22q13.2 risk locus were robustly associated with schizophrenia. However, the causal variants at this risk locus and their roles in schizophrenia remain elusive. Here we identify the risk missense variant rs1801311 (located in the 1st exon of NDUFA6 gene) as likely causal for schizophrenia at 22q13.2 by disrupting binding of YY1, TAF1, and POLR2A. We systematically elucidated the regulatory mechanisms of rs1801311 and validated the regulatory effect of this missense variant. Intriguingly, rs1801311 physically interacted with NAGA (encodes the alpha-N-acetylgalactosaminidase, which is mainly involved in regulating metabolisms of glycoproteins and glycolipids in lysosome) and showed the most significant association with NAGA expression in the human brain, with the risk allele (G) associated with higher NAGA expression. Consistent with eQTL analysis, expression analysis showed that NAGA was significantly upregulated in brains of schizophrenia cases compared with controls, further supporting that rs1801311 may confer schizophrenia risk by regulating NAGA expression. Of note, we found that NAGA regulates important neurodevelopmental processes, including proliferation and differentiation of neural stem cells. Transcriptome analysis corroborated that NAGA regulates pathways associated with neuronal differentiation. Finally, we independently confirmed the association between rs1801311 and schizophrenia in a large Chinese cohort. Our study elucidates the regulatory mechanisms of the missense schizophrenia risk variant rs1801311 and provides mechanistic links between risk variant and schizophrenia etiology. In addition, this study also revealed the novel role of coding variants in gene regulation and schizophrenia risk, i.e., genetic variant in coding region of a specific gene may confer disease risk through regulating distal genes (act as regulatory variant for distal genes).
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Affiliation(s)
- Yifan Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Changguo Ma
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Wenqiang Li
- Henan Mental Hospital, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, China.,Henan Key Lab of Biological Psychiatry, International Joint Research Laboratory for Psychiatry and Neuroscience of Henan, Xinxiang Medical University, Xinxiang, Henan, China
| | - Yongfeng Yang
- Henan Mental Hospital, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, China.,Henan Key Lab of Biological Psychiatry, International Joint Research Laboratory for Psychiatry and Neuroscience of Henan, Xinxiang Medical University, Xinxiang, Henan, China
| | - Xiaoyan Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Jiewei Liu
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Junyang Wang
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Shiwu Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Yixing Liu
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Kaiqin Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Jiao Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Di Huang
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Rui Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Luxian Lv
- Henan Mental Hospital, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, China.,Henan Key Lab of Biological Psychiatry, International Joint Research Laboratory for Psychiatry and Neuroscience of Henan, Xinxiang Medical University, Xinxiang, Henan, China
| | - Ming Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Xiong-Jian Luo
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China. .,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China. .,Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, Yunnan, China. .,KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.
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7
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Borovcanin MM, Vesic K, Jovanovic M, Mijailovic NR. Galectin-3 possible involvement in antipsychotic-induced metabolic changes of schizophrenia: A minireview. World J Diabetes 2021; 12:1731-1739. [PMID: 34754374 PMCID: PMC8554363 DOI: 10.4239/wjd.v12.i10.1731] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 07/24/2021] [Accepted: 08/06/2021] [Indexed: 02/06/2023] Open
Abstract
Recently, specific immunometabolic profiles have been postulated in patients with schizophrenia, even before full-blown disease and independent of antipsychotic treatment. Proteomic profiling studies offer a promising potential for elucidating the cellular and molecular pathways that may be involved in the onset and progression of schizophrenia symptoms, and co-occurrent metabolic changes. In view of all this, we were intrigued to explore galectin-3 (Gal-3) as a glycan, and in our previous study, we measured its elevated levels in remission of schizophrenia. The finding may be a consequence of antipsychotic treatment and may have an impact on the onset of inflammation, the development of obesity, and the presumed cognitive changes in schizophrenia. In the animal study, it was shown that downregulation of Gal-3 was beneficial in insulin regulation of obesity and cognitive preservation. Strategies involving plasma exchange are discussed in this review, particularly in the context of Gal-3 elimination.
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Affiliation(s)
- Milica M Borovcanin
- Department of Psychiatry, University of Kragujevac, Faculty of Medical Sciences, Kragujevac 34000, Sumadija, Serbia
| | - Katarina Vesic
- Department of Neurology, University of Kragujevac, Faculty of Medical Sciences, Kragujevac 34000, Sumadija, Serbia
| | - Milena Jovanovic
- PhD Studies, University of Kragujevac, Faculty of Medical Sciences, Kragujevac 34000, Sumadija, Serbia
- Clinic for Nephrology and Dialysis, University Clinical Center Kragujevac, Kragujevac 34000, Sumadija, Serbia
| | - Natasa R Mijailovic
- Department of Pharmacy, University of Kragujevac, Faculty of Medical Sciences, Kragujevac 34000, Sumadija, Serbia
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8
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Aberrant glycosylation in schizophrenia: a review of 25 years of post-mortem brain studies. Mol Psychiatry 2020; 25:3198-3207. [PMID: 32404945 PMCID: PMC8081047 DOI: 10.1038/s41380-020-0761-1] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 04/18/2020] [Accepted: 04/24/2020] [Indexed: 02/06/2023]
Abstract
Glycosylation, the enzymatic attachment of carbohydrates to proteins and lipids, regulates nearly all cellular processes and is critical in the development and function of the nervous system. Axon pathfinding, neurite outgrowth, synaptogenesis, neurotransmission, and many other neuronal processes are regulated by glycans. Over the past 25 years, studies analyzing post-mortem brain samples have found evidence of aberrant glycosylation in individuals with schizophrenia. Proteins involved in both excitatory and inhibitory neurotransmission display altered glycans in the disease state, including AMPA and kainate receptor subunits, glutamate transporters EAAT1 and EAAT2, and the GABAA receptor. Polysialylated NCAM (PSA-NCAM) and perineuronal nets, highly glycosylated molecules critical for axonal migration and synaptic stabilization, are both downregulated in multiple brain regions of individuals with schizophrenia. In addition, enzymes spanning several pathways of glycan synthesis show differential expression in brains of individuals with schizophrenia. These changes may be due to genetic predisposition, environmental perturbations, medication use, or a combination of these factors. However, the recent association of several enzymes of glycosylation with schizophrenia by genome-wide association studies underscores the importance of glycosylation in this disease. Understanding how glycosylation is dysregulated in the brain will further our understanding of how this pathway contributes to the development and pathophysiology of schizophrenia.
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Wang M, Huang TZ, Fang J, Calhoun VD, Wang YP. Integration of Imaging (epi)Genomics Data for the Study of Schizophrenia Using Group Sparse Joint Nonnegative Matrix Factorization. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2020; 17:1671-1681. [PMID: 30762565 PMCID: PMC7781159 DOI: 10.1109/tcbb.2019.2899568] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Schizophrenia (SZ) is a complex disease. Single nucleotide polymorphism (SNP), brain activity measured by functional magnetic resonance imaging (fMRI) and DNA methylation are all important biomarkers that can be used for the study of SZ. To our knowledge, there has been little effort to combine these three datasets together. In this study, we propose a group sparse joint nonnegative matrix factorization (GSJNMF) model to integrate SNP, fMRI, and DNA methylation for the identification of multi-dimensional modules associated with SZ, which can be used to study regulatory mechanisms underlying SZ at multiple levels. The proposed GSJNMF model projects multiple types of data onto a common feature space, in which heterogeneous variables with large coefficients on the same projected bases are used to identify multi-dimensional modules. We also incorporate group structure information available from each dataset. The genomic factors in such modules have significant correlations or functional associations with several brain activities. At the end, we have applied the method to the analysis of real data collected from the Mind Clinical Imaging Consortium (MCIC) for the study of SZ and identified significant biomarkers. These biomarkers were further used to discover genes and corresponding brain regions, which were confirmed to be significantly associated with SZ.
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Affiliation(s)
- Min Wang
- School of Mathematical Sciences/Research Center for Image and Vision Computing, University of Electronic Science and Technology of China, Chengdu, Sichuan, 611731, China
- School of Information Technology, Jiangxi University of Finance and Economics, Nanchang, Jiangxi, 330013, China
| | - Ting-Zhu Huang
- School of Mathematical Sciences/Research Center for Image and Vision Computing, University of Electronic Science and Technology of China, Chengdu, Sichuan, 611731, China
| | - Jian Fang
- Department of Biomedical Engineering, Tulane University, New Orleans, LA 70118, USA
| | - Vince D. Calhoun
- The Mind Research Network, University of New Mexico, NM 87131, USA
| | - Yu-Ping Wang
- Department of Biomedical Engineering, Tulane University, New Orleans, LA 70118, USA
- Corresponding author.
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10
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Wang Z, Greenbaum J, Qiu C, Li K, Wang Q, Tang SY, Deng HW. Identification of pleiotropic genes between risk factors of stroke by multivariate metaCCA analysis. Mol Genet Genomics 2020; 295:1173-1185. [PMID: 32474671 DOI: 10.1007/s00438-020-01692-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 05/25/2020] [Indexed: 12/11/2022]
Abstract
Genome-wide association studies (GWASs) have identified more than 20 genetic loci as risk predictors associated with stroke. However, these studies were generally performed for single-trait and failed to consider the pleiotropic effects of these risk genes among the multiple risk factors for stroke. In this study, we applied a novel metaCCA method followed by gene-based VEGAS2 analysis to identify the risk genes for stroke that may overlap between seven correlated risk factors (including atrial fibrillation, hypertension, coronary artery disease, heart failure, diabetes, body mass index, and total cholesterol level) by integrating seven corresponding GWAS data. We detected 20 potential pleiotropic genes that may be associated with multiple risk factors of stroke. Furthermore, using gene-to-trait pathway analysis, we suggested six potential risk genes (FUT8, GMIP, PLA2G6, PDE3A, SMARCA4, SKAPT) that may affect ischemic or hemorrhage stroke through multiple intermediate factors such as MAPK family. These findings provide novel insight into the genetic determinants contributing to the concurrent development of biological conditions that may influence stroke susceptibility, and also indicate some potential therapeutic targets that can be further studied for the prevention of cerebrovascular disease.
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Affiliation(s)
- Zun Wang
- Xiangya Nursing School, Central South University, Changsha, 410013, China.,Department of Global Biostatistics and Data Science, Tulane Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Jonathan Greenbaum
- Department of Global Biostatistics and Data Science, Tulane Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Chuan Qiu
- Department of Global Biostatistics and Data Science, Tulane Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Kelvin Li
- Department of Global Biostatistics and Data Science, Tulane Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Qian Wang
- Xiangya Nursing School, Central South University, Changsha, 410013, China
| | - Si-Yuan Tang
- Xiangya Nursing School, Central South University, Changsha, 410013, China.,Hunan Women's Research Association, Changsha, 410011, China
| | - Hong-Wen Deng
- Department of Global Biostatistics and Data Science, Tulane Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA. .,School of Basic Medical Science, Central South University, Changsha, 410013, China.
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11
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Treatment response prediction and individualized identification of first-episode drug-naïve schizophrenia using brain functional connectivity. Mol Psychiatry 2020; 25:906-913. [PMID: 29921920 DOI: 10.1038/s41380-018-0106-5] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 04/11/2018] [Accepted: 05/01/2018] [Indexed: 12/28/2022]
Abstract
Identifying biomarkers in schizophrenia during the first episode without the confounding effects of treatment has been challenging. Leveraging these biomarkers to establish diagnosis and make individualized predictions of future treatment responses to antipsychotics would be of great value, but there has been limited progress. In this study, by using machine learning algorithms and the functional connections of the superior temporal cortex, we successfully identified the first-episode drug-naive (FEDN) schizophrenia patients (accuracy 78.6%) and predict their responses to antipsychotic treatment (accuracy 82.5%) at an individual level. The functional connections (FC) were derived using the mutual information and the correlations, between the blood-oxygen-level dependent signals of the superior temporal cortex and other cortical regions acquired with the resting-state functional magnetic resonance imaging. We also found that the mutual information and correlation FC was informative in identifying individual FEDN schizophrenia and prediction of treatment response, respectively. The methods and findings in this paper could provide a critical step toward individualized identification and treatment response prediction in first-episode drug-naive schizophrenia, which could complement other biomarkers in the development of precision medicine approaches for this severe mental disorder.
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12
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Post-translational protein modifications in schizophrenia. NPJ SCHIZOPHRENIA 2020; 6:5. [PMID: 32123175 PMCID: PMC7051976 DOI: 10.1038/s41537-020-0093-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 01/09/2020] [Indexed: 12/13/2022]
Abstract
Research investigating the pathophysiology of schizophrenia has not yet precisely defined the molecular phenotype of this disorder. Many studies have investigated cellular dysfunction by examining expression levels of molecular targets in postmortem patient brain; however, inconsistencies between transcript and protein measures in schizophrenia are common in the field and represent a challenge to the identification of a unified model of schizophrenia pathogenesis. In humans, >4800 unique proteins are expressed, and the majority of these are modified by glycans and/or lipids. Estimates indicate ~70% of all eukaryotic proteins are modified by at least one type of glycosylation, while nearly 20% of all proteins are known to be lipid-modified. Protein post-translational modification (PTM) by glycosylation and lipidation rely on the spatiotemporal colocalization of enzyme, substrate, and glycan or lipid donor molecule and do not require an upstream “blueprint” or specialized processing machinery for synthesis. Glycan and lipid PTMs can thus facilitate cellular adaptation to environmental signals more rapidly than changes of gene or protein expression, and can significantly impact the localization, function, and interactions of modified substrates, though relatively few studies in schizophrenia have evaluated the PTM status of target proteins. A growing body of literature reports glycosylation and lipidation abnormalities in schizophrenia brain as well as in patient peripheral fluids. In this review, we explain the functional significance of key glycan and lipid PTMs and summarize current findings associated with abnormal glycosylation and lipidation in this illness.
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13
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Lu X, Zhang D, Shoji H, Duan C, Zhang G, Isaji T, Wang Y, Fukuda T, Gu J. Deficiency of α1,6-fucosyltransferase promotes neuroinflammation by increasing the sensitivity of glial cells to inflammatory mediators. Biochim Biophys Acta Gen Subj 2019; 1863:598-608. [DOI: 10.1016/j.bbagen.2018.12.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 12/05/2018] [Accepted: 12/13/2018] [Indexed: 10/27/2022]
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14
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Piluso G, Monteleone P, Galderisi S, Giugliano T, Bertolino A, Rocca P, Rossi A, Mucci A, Aguglia E, Andriola I, Bellomo A, Comparelli A, Gambi F, Fagiolini A, Marchesi C, Roncone R, Sacchetti E, Santonastaso P, Siracusano A, Stratta P, Tortorella A, Steardo L, Bucci P, Nigro V, Maj M. Assessment of de novo copy-number variations in Italian patients with schizophrenia: Detection of putative mutations involving regulatory enhancer elements. World J Biol Psychiatry 2019; 20:126-136. [PMID: 29069978 DOI: 10.1080/15622975.2017.1395072] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Variants appearing de novo in genes regulating key neurodevelopmental processes and/or in non-coding cis-regulatory elements (CREs), as enhancers, may increase the risk for schizophrenia. However, CREs involvement in schizophrenia needs to be explored more deeply. METHODS We investigated de novo copy-number variations (CNVs) in the whole-genomic DNA obtained from 46 family trios of schizophrenia probands by using the Enhancer Chip, a customised array CGH able to investigate the whole genome with a 300-kb resolution, specific disease loci at a ten-fold higher resolution, and which was highly enriched in probes in more than 1,250 enhancer elements selected from Vista Enhancer Browser. RESULTS In seven patients, we found de novo CNVs, two of which overlapped VISTA enhancer elements. De novo CNVs encompass genes (CNTNAP2, MAGI1, TSPAN7 and MET) involved in brain development, while that involving the enhancer element hs1043, also includes ZIC1, which plays a role in neural development and is responsible of behavioural abnormalities in Zic mutant mice. CONCLUSIONS These findings provide further evidence for the involvement of de novo CNVs in the pathogenesis of schizophrenia and suggest that CNVs affecting regulatory enhancer elements could contribute to the genetic vulnerability to the disorder.
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Affiliation(s)
- Giulio Piluso
- a Department of Biochemistry, Biophysics and General Pathology , University of Campania "Luigi Vanvitelli" , Naples , Italy
| | - Palmiero Monteleone
- b Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Section of Neuroscience , University of Salerno , Salerno , Italy
| | - Silvana Galderisi
- c Department of Psychiatry , University of Campania "Luigi Vanvitelli" , Naples , Italy
| | - Teresa Giugliano
- a Department of Biochemistry, Biophysics and General Pathology , University of Campania "Luigi Vanvitelli" , Naples , Italy
| | - Alessandro Bertolino
- d Department of Neurological and Psychiatric Sciences , University of Bari , Bari , Italy
| | - Paola Rocca
- e Department of Neuroscience, Section of Psychiatry , University of Turin , Turin , Italy
| | - Alessandro Rossi
- f Department of Biotechnological and Applied Clinical Sciences, Section of Psychiatry , University of L'Aquila , L'Aquila , Italy
| | - Armida Mucci
- c Department of Psychiatry , University of Campania "Luigi Vanvitelli" , Naples , Italy
| | - Eugenio Aguglia
- g Department of Clinical and Molecular Biomedicine, Psychiatry Unit , University of Catania , Catania , Italy
| | - Ileana Andriola
- d Department of Neurological and Psychiatric Sciences , University of Bari , Bari , Italy
| | - Antonello Bellomo
- h Department of Medical Sciences, Psychiatry Unit , University of Foggia , Foggia , Italy
| | - Anna Comparelli
- i Department of Neurosciences, Mental Health and Sensory Organs , S. Andrea Hospital, Sapienza University of Rome , Rome , Italy
| | - Francesco Gambi
- j Department of Neuroscience and Imaging, Chair of Psychiatry , G. D'Annunzio University , Chieti , Italy
| | - Andrea Fagiolini
- k Department of Molecular Medicine and Clinical Department of Mental Health , University of Siena , Siena , Italy
| | - Carlo Marchesi
- l Department of Neuroscience, Psychiatry Unit , University of Parma , Parma , Italy
| | - Rita Roncone
- m Department of Life, Health and Environmental Sciences, Unit of Psychiatry , University of L'Aquila , L'Aquila , Italy
| | - Emilio Sacchetti
- n Psychiatric Unit, School of Medicine, Department of Mental Health , University of Brescia and Spedali Civili Hospital , Brescia , Italy
| | - Paolo Santonastaso
- o Psychiatric Clinic, Department of Neurosciences , University of Padua , Padua , Italy
| | - Alberto Siracusano
- p Department of Systems Medicine, Chair of Psychiatry , Tor Vergata University of Rome , Rome , Italy
| | - Paolo Stratta
- f Department of Biotechnological and Applied Clinical Sciences, Section of Psychiatry , University of L'Aquila , L'Aquila , Italy
| | | | - Luca Steardo
- c Department of Psychiatry , University of Campania "Luigi Vanvitelli" , Naples , Italy
| | - Paola Bucci
- c Department of Psychiatry , University of Campania "Luigi Vanvitelli" , Naples , Italy
| | - Vincenzo Nigro
- a Department of Biochemistry, Biophysics and General Pathology , University of Campania "Luigi Vanvitelli" , Naples , Italy
| | - Mario Maj
- c Department of Psychiatry , University of Campania "Luigi Vanvitelli" , Naples , Italy
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15
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Glycans and glycosaminoglycans in neurobiology: key regulators of neuronal cell function and fate. Biochem J 2018; 475:2511-2545. [PMID: 30115748 DOI: 10.1042/bcj20180283] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 07/14/2018] [Accepted: 07/18/2018] [Indexed: 12/16/2022]
Abstract
The aim of the present study was to examine the roles of l-fucose and the glycosaminoglycans (GAGs) keratan sulfate (KS) and chondroitin sulfate/dermatan sulfate (CS/DS) with selected functional molecules in neural tissues. Cell surface glycans and GAGs have evolved over millions of years to become cellular mediators which regulate fundamental aspects of cellular survival. The glycocalyx, which surrounds all cells, actuates responses to growth factors, cytokines and morphogens at the cellular boundary, silencing or activating downstream signaling pathways and gene expression. In this review, we have focused on interactions mediated by l-fucose, KS and CS/DS in the central and peripheral nervous systems. Fucose makes critical contributions in the area of molecular recognition and information transfer in the blood group substances, cytotoxic immunoglobulins, cell fate-mediated Notch-1 interactions, regulation of selectin-mediated neutrophil extravasation in innate immunity and CD-34-mediated new blood vessel development, and the targeting of neuroprogenitor cells to damaged neural tissue. Fucosylated glycoproteins regulate delivery of synaptic neurotransmitters and neural function. Neural KS proteoglycans (PGs) were examined in terms of cellular regulation and their interactive properties with neuroregulatory molecules. The paradoxical properties of CS/DS isomers decorating matrix and transmembrane PGs and the positive and negative regulatory cues they provide to neurons are also discussed.
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16
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Li LK, Wang N, Wang WD, Du XN, Wen XY, Wang LY, Deng YY, Wang DP, Lin HL. Blocking Posttranslational Core Fucosylation Ameliorates Rat Peritoneal Mesothelial Cell Epithelial-Mesenchymal Transition. Chin Med J (Engl) 2018; 130:2147-2155. [PMID: 28875950 PMCID: PMC5598325 DOI: 10.4103/0366-6999.213963] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Background: Core fucosylation (CF), catalyzed by α-1,6 fucosyltransferase (Fut8) in mammals, plays an important role in pathological processes through posttranslational modification of key signaling receptor proteins, including transforming growth factor (TGF)-β receptors and platelet-derived growth factor (PDGF) receptors. However, its effect on peritoneal fibrosis is unknown. Here, we investigated its influence on epithelial-mesenchymal transition (EMT) of rat peritoneal mesothelial cells (PMCs) in vitro induced by a high-glucose (HG) culture solution. Methods: Rat PMCs were first cultured in a HG (2.5%) culture solution to observe the CF expression level (fluorescein isothiocyanate-lens culinaris agglutinin), we next established a knockdown model of rat PMCs in vitro with Fut8 small interfering RNA (siRNA) to observe whether inhibiting CF decreases the messenger RNA (mRNA) expression and protein expression of Fut8 and reverses EMT status. Rat PMCs were randomly divided into control group, mock group (transfected with scrambled siRNA), Fut8 siRNA group, HG group, HG + mock group, and HG + Fut8 siRNA group. Finally, we examined the activation of TGF-β/Smad2/3 signaling and PDGF/extracellular signal-regulated kinase (ERK) signaling to observe the influence of CF on them. Results: CF, Fut8 mRNA, and protein expression were all significantly upregulated in HG- induced EMT model than those in the control rat PMCs (P < 0.05). Fut8 siRNA successfully blocked CF of TGF-β receptors and PDGF receptors and attenuated the EMT status (E-cadherin and α-SMA and phenotypic changes) in HG-induced rat PMCs. In TGF-β/Smad2/3 signaling, Fut8 siRNA did not suppress the protein expression of TGF-β receptors and Smad2/3; however, it significantly suppressed the phosphorylation of Smad2/3 (relative expression folds of HG + Fut8 group vs. HG group: 7.6 ± 0.4 vs. 15.1 ± 0.6, respectively, P < 0.05). In PDGF/ERK signaling, Fut8 siRNA did not suppress the protein expression of PDGF receptors and ERK, but it significantly suppressed the phosphorylation of ERK (relative expression folds of HG + Fut8 group vs. HG group: 8.7 ± 0.9 vs. 15.6 ± 1.2, respectively, P < 0.05). Blocking CF inactivated the activities of TGF-β and PDGF signaling pathways, and subsequently blocked EMT. Conclusions: These results demonstrate that CF contributes to rat PMC EMT, and that blocking it attenuates EMT. CF regulation is a potential therapeutic target of peritoneal fibrosis.
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Affiliation(s)
- Long-Kai Li
- Graduate School, Dalian Medical University, Dalian, Liaoning 116044; Department of Nephrology, Liaoning Translational Medicine Center of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
| | - Nan Wang
- Department of Nephrology, Liaoning Translational Medicine Center of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
| | - Wei-Dong Wang
- Department of Nephrology, Liaoning Translational Medicine Center of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
| | - Xiang-Ning Du
- Department of Nephrology, Liaoning Translational Medicine Center of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
| | - Xin-Yu Wen
- Department of Nephrology, Liaoning Translational Medicine Center of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
| | - Ling-Yu Wang
- Department of Nephrology, Liaoning Translational Medicine Center of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
| | - Yi-Yao Deng
- Department of Nephrology, Liaoning Translational Medicine Center of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
| | - Da-Peng Wang
- Department of Nephrology, Liaoning Translational Medicine Center of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
| | - Hong-Li Lin
- Department of Nephrology, Liaoning Translational Medicine Center of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
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17
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Piras IS, Mills G, Llaci L, Naymik M, Ramsey K, Belnap N, Balak CD, Jepsen WM, Szelinger S, Siniard AL, Lewis CR, LaFleur M, Richholt RF, De Both MD, Avela K, Rangasamy S, Craig DW, Narayanan V, Järvelä I, Huentelman MJ, Schrauwen I. Exploring genome-wide DNA methylation patterns in Aicardi syndrome. Epigenomics 2017; 9:1373-1386. [PMID: 28967789 DOI: 10.2217/epi-2017-0060] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
AIM To explore differential DNA methylation (DNAm) in Aicardi syndrome (AIC), a severe neurodevelopmental disorder with largely unknown etiology. PATIENTS & METHODS We characterized DNAm in AIC female patients and parents using the Illumina 450 K array. Differential DNAm was assessed using the local outlier factor algorithm, and results were validated via qPCR in a larger set of AIC female patients, parents and unrelated young female controls. Functional epigenetic modules analysis was used to detect pathways integrating both genome-wide DNAm and RNA-seq data. RESULTS & CONCLUSION We detected differential methylation patterns in AIC patients in several neurodevelopmental and/or neuroimmunological networks. These networks may be part of the underlying pathogenic mechanisms involved in the disease.
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Affiliation(s)
- Ignazio S Piras
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Gabrielle Mills
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Lorida Llaci
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Marcus Naymik
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Keri Ramsey
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Newell Belnap
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Chris D Balak
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Wayne M Jepsen
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Szabolcs Szelinger
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Department of Pathology & Laboratory Medicine, David Geffen School of Medicine, University of California, 10833 Le Conte Ave, Los Angeles, CA 90095, USA
| | - Ashley L Siniard
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Candace R Lewis
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Madison LaFleur
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Ryan F Richholt
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Matt D De Both
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Kristiina Avela
- Department of Clinical Genetics, Helsinki University Hospital, Meilahdentie 2, FI-00029 Helsinki, Finland
| | - Sampathkumar Rangasamy
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - David W Craig
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,University of Southern California, Keck School of Medicine, Department of Translational Genomics, Los Angeles, NRT 1450 Biggy Street, CA 90033, USA
| | - Vinodh Narayanan
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Irma Järvelä
- Department of Medical Genetics, University of Helsinki, Haartmaninkatu 8, 00251 Helsinki, Finland
| | - Matthew J Huentelman
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA
| | - Isabelle Schrauwen
- Center for Rare Childhood Disorders, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Neurogenomics Division, Translational Genomics Research Institute, 445 N 5th Street, Phoenix, AZ, USA.,Center for Statistical Genetics, Department of Molecular & Human Genetics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
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18
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Plasma alpha-L-fucosidase activity in chronic inflammation and autoimmune disorders in a pediatric cohort of hospitalized patients. Immunol Res 2017; 65:1025-1030. [DOI: 10.1007/s12026-017-8943-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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