1
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Manian M, Sohrabi E, Eskandari N, Assarehzadegan MA, Ferns GA, Nourbakhsh M, Jazayeri MH, Nedaeinia R. An Integrated Bioinformatics Analysis of the Potential Regulatory Effects of miR-21 on T-cell Related Target Genes in Multiple Sclerosis. Avicenna J Med Biotechnol 2021; 13:149-165. [PMID: 34484645 PMCID: PMC8377402 DOI: 10.18502/ajmb.v13i3.6364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 01/16/2021] [Indexed: 11/24/2022] Open
Abstract
Background: Overexpression of miR-21 is a characteristic feature of patients with Multiple Sclerosis (MS) and is involved in gene regulation and the expression enhancement of pro-inflammatory factors including IFNγ and TNF-α following stimulation of T-cells via the T Cell Receptor (TCR). In this study, a novel integrated bioinformatics analysis was used to obtain a better understanding of the involvement of miR-21 in the development of MS, its protein biomarker signatures, RNA levels, and drug interactions through existing microarray and RNA-seq datasets of MS. Methods: In order to obtain data on the Differentially Expressed Genes (DEGs) in patients with MS and normal controls, the GEO2R web tool was used to analyze the Gene Expression Omnibus (GEO) datasets, and then Protein-Protein Interaction (PPI) networks of co-expressed DEGs were designed using STRING. A molecular network of miRNA-genes and drugs based on differentially expressed genes was created for T-cells of MS patients to identify the targets of miR-21, that may act as important regulators and potential biomarkers for early diagnosis, prognosis and, potential therapeutic targets for MS. Results: It found that seven genes (NRIP1, ARNT, KDM7A, S100A10, AK2, TGFβR2, and IL-6R) are regulated by drugs used in MS and miR-21. Finally, three overlapping genes (S100A10, NRIP1, KDM7A) were identified between miRNA-gene-drug network and nineteen genes as hub genes which can reflect the pathophysiology of MS. Conclusion: Our findings suggest that miR-21 and MS-related drugs can act synergistically to regulate several genes in the existing datasets, and miR-21 inhibitors have the potential to be used in MS treatment.
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Affiliation(s)
- Mostafa Manian
- Department of Immunology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ehsan Sohrabi
- Department of Medical Genetics and Molecular Biology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Nahid Eskandari
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad-Ali Assarehzadegan
- Department of Immunology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Gordon A Ferns
- Brighton and Sussex Medical School, Division of Medical Education, Falmer, Brighton BN1 9PH, Sussex, UK
| | - Mitra Nourbakhsh
- Department of Biochemistry and Nutrition, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mir Hadi Jazayeri
- Department of Immunology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Nedaeinia
- Pediatric Inherited Diseases Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
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2
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Tsai HC, Wei KC, Chen PY, Huang CY, Chen KT, Lin YJ, Cheng HW, Huang CH, Wang HT. Receptor-Interacting Protein 140 Enhanced Temozolomide-Induced Cellular Apoptosis Through Regulation of E2F1 in Human Glioma Cell Lines. Neuromolecular Med 2021; 24:113-124. [PMID: 34075570 DOI: 10.1007/s12017-021-08667-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 05/21/2021] [Indexed: 11/28/2022]
Abstract
Glioblastoma (GBM), a grade IV glioma, is responsible for the highest years of potential life lost among cancers. The poor prognosis is attributable to its high recurrence rate, caused in part by the development of resistance to chemotherapy. Receptor-interacting protein 140 (RIP140) is a very versatile coregulator of nuclear receptors and transcription factors. Although many of the pathways regulated by RIP140 contribute significantly to cancer progression, the function of RIP140 in GBM remains to be determined. In this study, we found that higher RIP140 expression was associated with prolonged survival in patients with newly diagnosed GBM. Intracellular RIP140 levels were increased after E2F1 activation following temozolomide (TMZ) treatment, which in turn modulated the expression of E2F1-targeted apoptosis-related genes. Overexpression of RIP140 reduced glioma cell proliferation and migration, induced cellular apoptosis, and sensitized GBM cells to TMZ. Conversely, knockdown of RIP140 increased TMZ resistance. Taken together, our results suggest that RIP140 prolongs the survival of patients with GBM both by inhibiting tumor cell proliferation and migration and by increasing cellular sensitivity to chemotherapy. This study helps improve our understanding of glioma recurrence and may facilitate the development of more effective treatments.
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Affiliation(s)
- Hong-Chieh Tsai
- Department of Neurosurgery, Linkou Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan.,Graduate Institute of Clinical Medical Sciences and School of Traditional Chinese Medicine, Chang Gung University, Taoyuan, 333, Taiwan
| | - Kuo-Chen Wei
- Department of Neurosurgery, New Taipei Municipal TuCheng Hospital, Chang Gung Memorial Hospital, New Taipei Municipal, Taipei, 236, Taiwan.,Department of Neurosurgery, Keelung Chang Gung Memorial Hospital, Keelung, 204, Taiwan
| | - Pin-Yuan Chen
- Department of Neurosurgery, Keelung Chang Gung Memorial Hospital, Keelung, 204, Taiwan.,School of Medicine, Chang Gung University, Taoyuan, 333, Taiwan
| | - Chiung-Yin Huang
- Department of Neurosurgery, Linkou Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan.,School of Medicine, Chang Gung University, Taoyuan, 333, Taiwan
| | - Ko-Ting Chen
- Department of Neurosurgery, Linkou Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan.,School of Medicine, Chang Gung University, Taoyuan, 333, Taiwan
| | - Ya-Jui Lin
- Department of Neurosurgery, Linkou Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan.,School of Medicine, Chang Gung University, Taoyuan, 333, Taiwan
| | - Hsiao-Wei Cheng
- Department of Neurosurgery, Linkou Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan.,Department of Pharmacology, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan.,Department of Pharmacology, National Yang-Ming University, Taipei, 112, Taiwan
| | - Chun-Hao Huang
- Department of Pharmacology, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan
| | - Hsiang-Tsui Wang
- Department of Pharmacology, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan. .,Department of Pharmacology, National Yang-Ming University, Taipei, 112, Taiwan.
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3
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Fan F, Yang L, Li R, Zou X, Li N, Meng X, Zhang Y, Wang X. Salidroside as a potential neuroprotective agent for ischemic stroke: a review of sources, pharmacokinetics, mechanism and safety. Biomed Pharmacother 2020; 129:110458. [PMID: 32603893 DOI: 10.1016/j.biopha.2020.110458] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/17/2020] [Accepted: 06/23/2020] [Indexed: 02/06/2023] Open
Abstract
Salidroside (Sal) is a bioactive extract principally from traditional herbal medicine such as Rhodiola rosea L., which has been commonly used for hundreds of years in Asia countries. The excellent neuroprotective capacity of Sal has been illuminated in recent studies. This work focused on the source, pharmacokinetics, safety and anti-ischemic stroke (IS) effect of Sal, especially emphasizing its mechanism of action and BBB permeability. Extensive databases, including Pubmed, Web of science (WOS), Google Scholar and China National Knowledge Infrastructure (CNKI), were applied to obtain relevant online literatures. Sal exerts powerful therapeutic effects on IS in experimental models either in vitro or in vivo due to its neuroprotection, with significantly diminishing infarct size, preventing cerebral edema and improving neurological function. Also, the findings suggest the underlying mechanisms involve anti-oxidation, anti-inflammation and anti-apoptosis by regulating multiple signaling pathways and key molecules, such as NF-κB, TNF-α and PI3K/Akt pathway. In pharmacokinetics, although showing a rapid absorption and elimination, bioavailability of Sal is elevated under some non-physiological conditions. The component and its metabolite (tyrosol) are capable of distributing to brain tissue and the later keeps a higher level of concentration. Moreover, Sal scarcely has obvious toxicity or side effects in a variety of animal experiments and clinical trials, but combination of drugs and perinatal use of medicine should be taken more attentions. Finally, as an active ingredient, not only is Sal isolated from diverse plants with limited yield, but also large batches of the products can be harvested by biological and chemical synthesis. With higher efficacy and better safety profiles, Sal could sever as a promising neuroprotectant for preventing and treating IS. Nevertheless, further investigations are still required to explore the pharmacodynamic and pharmacokinetic properties of Sal in the treatment of IS.
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Affiliation(s)
- Fangfang Fan
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Lu Yang
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Rui Li
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xuemei Zou
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Ning Li
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xianli Meng
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Yi Zhang
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Xiaobo Wang
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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4
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Cognitive impairments in adult mice with RIP140 overexpression in neural stem cells. Behav Brain Res 2020; 393:112777. [PMID: 32579978 DOI: 10.1016/j.bbr.2020.112777] [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: 12/16/2019] [Revised: 05/27/2020] [Accepted: 06/16/2020] [Indexed: 12/31/2022]
Abstract
Receptor-interacting protein 140 (RIP140) is a transcription co-regulator of several transcription factors and a signal transduction regulator. RIP140 was recently implicated in the regulation of cognitive functions. The gene that encodes RIP140 is located on chromosome 21. An increase in RIP140 expression was observed in the fetal cerebral cortex and hippocampus in Down syndrome patients who exhibited strong cognitive disabilities. We hypothesized that RIP140 overexpression affects cognitive function in adult neural development. The present study used a Cre-dependent adeno-associated virus to selectively overexpress RIP140 in neural stem cells using nestin-Cre mice. RIP140 overexpression efficiency was evaluated at the subgranular zone (SGZ) of the dorsal dentate gyrus (dDG) and the subventricular zone (SVZ) of the lateral ventricles (LVs). Mice with RIP140 overexpression in the SGZ exhibited deficits in cognitive function and spatial learning and memory, measured in the Morris water maze, object-place recognition test, and novel object recognition test. However, overexpression of RIP140 in SVZ only impaired performance in the Morris water maze and novel object recognition test but not in the object-place recognition test. Altogether, these results indicated defects in cognitive functions that were associated with RIP140 overexpression in neural stem cells and revealed a behavioral phenotype that may be used as a framework for further investigating the neuropathogenesis of Down syndrome.
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5
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Curtis KS, McCracken K, Espinosa E, Ong J, Buck DJ, Davis RL. Temporal and Site-Specific Changes in Central Neuroimmune Factors During Rapid Weight Gain After Ovariectomy in Rats. Neurochem Res 2018; 43:1802-1813. [PMID: 30030770 DOI: 10.1007/s11064-018-2596-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 06/15/2018] [Accepted: 07/16/2018] [Indexed: 01/08/2023]
Abstract
Systemic inflammation is present in obesity and emerging evidence, primarily from studies using male rodents fed high-fat diets, suggests neuroimmune signaling also is involved. We investigated early changes in neuroimmune signaling during the weight gain that follows ovariectomy in rats. Ovariectomized (OVX) rats were given standard rat chow and terminated 5 days (baseline), 4 or 8 weeks after ovariectomy. Levels of interleukin-6 (IL-6) and monocyte chemoattractant protein-1 (MCP-1) in plasma and periuterine adipose were not affected by ovariectomy. In contrast, compared to baseline levels, IL-6 expression in the arcuate nucleus (ARC) and dorsal vagal complex (DVC) decreased by 4 weeks after OVX, but was not affected in the paraventricular nucleus (PVN). MCP-1 expression decreased by 4 weeks in the ARC and by 8 weeks in the PVN, but was not affected in the DVC. Increased glial fibrillary acidic protein (GFAP) expression in the PVN indicated astrocyte activation; decreased toll-like receptor 4 (TLR4) expression in the ARC, but not other regions, suggested early effects on innate immune factors. Importantly, in reproductively intact rats, IL-6 and MCP-1 levels in plasma, periuterine adipose, and brain regions were not affected after 8 weeks. Unlike OVX rats, GFAP expression in the DVC of intact rats was decreased at 8 weeks, and TLR4 expression in the ARC was increased at 8 weeks. Taken together, these dynamic and selective changes in neuroimmune factors co-incident with post-ovariectomy weight gain provide insight into the role of neuroimmune signaling in obesity, particularly in females.
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Affiliation(s)
- Kathleen S Curtis
- Oklahoma State University-Center for Health Sciences, Tulsa, OK, 74107, USA
| | - Kelly McCracken
- Oklahoma State University-Center for Health Sciences, Tulsa, OK, 74107, USA
| | - Enith Espinosa
- Oklahoma State University-Center for Health Sciences, Tulsa, OK, 74107, USA
| | - Johnson Ong
- Oklahoma State University-Center for Health Sciences, Tulsa, OK, 74107, USA
| | - Daniel J Buck
- Oklahoma State University-Center for Health Sciences, Tulsa, OK, 74107, USA
| | - Randall L Davis
- Oklahoma State University-Center for Health Sciences, Tulsa, OK, 74107, USA.
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6
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Lin YL, Tsai HC, Liu PY, Benneyworth M, Wei LN. Receptor-interacting protein 140 as a co-repressor of Heat Shock Factor 1 regulates neuronal stress response. Cell Death Dis 2017; 8:3203. [PMID: 29233969 PMCID: PMC5870597 DOI: 10.1038/s41419-017-0008-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 09/23/2017] [Accepted: 09/29/2017] [Indexed: 12/15/2022]
Abstract
Heat shock response (HSR) is a highly conserved transcriptional program that protects organisms against various stressful conditions. However, the molecular mechanisms modulating HSR, especially the suppression of HSR, is poorly understood. Here, we found that RIP140, a wide-spectrum cofactor of nuclear hormone receptors, acts as a co-repressor of heat shock factor 1 (HSF1) to suppress HSR in healthy neurons. When neurons are stressed such as by heat shock or sodium arsenite (As), cells engage specific proteosome-mediated degradation to reduce RIP140 level, thereby relieving the suppression and activating HSR. RIP140 degradation requires specific Tyr-phosphorylation by Syk that is activated in stressful conditions. Lowering RIP140 level protects hippocampal neurons from As stress, significantly it increases neuron survival and improves spine density. Reducing hippocampal RIP140 in the mouse rescues chronic As-induced spatial learning deficits. This is the first study elucidating RIP140-mediated suppression of HSF1-activated HSR in neurons and brain. Importantly, degradation of RIP140 in stressed neurons relieves this suppression, allowing neurons to efficiently and timely engage HSR programs and recover. Therefore, stimulating RIP140 degradation to activate anti-stress program provides a potential preventive or therapeutic strategy for neurodegeneration diseases.
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Affiliation(s)
- Yu-Lung Lin
- Department of Pharmacology, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Hong-Chieh Tsai
- Department of Pharmacology, University of Minnesota, Minneapolis, MN, 55455, USA.,Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang-Gung University, Tao-Yuan, Taiwan, ROC.,Department of Neurosurgery, Chang-Gung Memorial Hospital and University, Tao-Yuan, Taiwan, ROC
| | - Pei-Yao Liu
- Department of Pharmacology, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Michael Benneyworth
- Departments of Neuroscience, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Li-Na Wei
- Department of Pharmacology, University of Minnesota, Minneapolis, MN, 55455, USA.
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7
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Cirnigliaro M, Barbagallo C, Gulisano M, Domini CN, Barone R, Barbagallo D, Ragusa M, Di Pietro C, Rizzo R, Purrello M. Expression and Regulatory Network Analysis of miR-140-3p, a New Potential Serum Biomarker for Autism Spectrum Disorder. Front Mol Neurosci 2017; 10:250. [PMID: 28848387 PMCID: PMC5554380 DOI: 10.3389/fnmol.2017.00250] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 07/25/2017] [Indexed: 12/21/2022] Open
Abstract
Given its prevalence and social impact, Autism Spectrum Disorder (ASD) is drawing much interest. Molecular basis of ASD is heterogeneous and only partially known. Many factors, including disorders comorbid with ASD, like TS (Tourette Syndrome), complicate ASD behavior-based diagnosis and make it vulnerable to bias. To further investigate ASD etiology and to identify potential biomarkers to support its precise diagnosis, we used TaqMan Low Density Array technology to profile serum miRNAs from ASD, TS, and TS+ASD patients, and unaffected controls (NCs). Through validation assays in 30 ASD, 24 TS, and 25 TS+ASD patients and 25 NCs, we demonstrated that miR-140-3p is upregulated in ASD vs.: NC, TS, and TS+ASD (Tukey's test, p-values = 0.03, = 0.01, < 0.0001, respectively). ΔCt values for miR-140-3p and YGTSS (Yale Global Tic Severity Scale) scores are positively correlated (Spearman r = 0.33; Benjamini-Hochberg p = 0.008) and show a linear relationship (p = 0.002). Network functional analysis showed that nodes controlled by miR-140-3p, especially CD38 and NRIP1 which are its validated targets, are involved in processes convergingly dysregulated in ASD, such as synaptic plasticity, immune response, and chromatin binding. Biomarker analysis proved that serum miR-140-3p can discriminate among: (1) ASD and NC (Area under the ROC curve, AUC: 0.70; sensitivity: 63.33%; specificity: 68%); (2) ASD and TS (AUC: 0.72; sensitivity: 66.66%; specificity: 70.83%); (3) ASD and TS+ASD (AUC: 0.78; sensitivity: 73.33%; specificity: 76%). Characterization of miR-140-3p network would contribute to further clarify ASD etiology. Serum miR-140-3p could represent a potential non-invasive biomarker for ASD, easy to test through liquid biopsy.
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Affiliation(s)
- Matilde Cirnigliaro
- Section of Biology and Genetics Giovanni Sichel, Department of Biomedical and Biotechnological Sciences, University of CataniaCatania, Italy
| | - Cristina Barbagallo
- Section of Biology and Genetics Giovanni Sichel, Department of Biomedical and Biotechnological Sciences, University of CataniaCatania, Italy
| | - Mariangela Gulisano
- Section of Child and Adolescent Psychiatry, Department of Clinical and Experimental Medicine, University of CataniaCatania, Italy
| | - Carla N Domini
- Section of Child and Adolescent Psychiatry, Department of Clinical and Experimental Medicine, University of CataniaCatania, Italy
| | - Rita Barone
- Section of Child and Adolescent Psychiatry, Department of Clinical and Experimental Medicine, University of CataniaCatania, Italy
| | - Davide Barbagallo
- Section of Biology and Genetics Giovanni Sichel, Department of Biomedical and Biotechnological Sciences, University of CataniaCatania, Italy
| | - Marco Ragusa
- Section of Biology and Genetics Giovanni Sichel, Department of Biomedical and Biotechnological Sciences, University of CataniaCatania, Italy.,Associazione Oasi Maria SS. Onlus (IRCCS), Institute for Research on Mental Retardation and Brain AgingTroina, Italy
| | - Cinzia Di Pietro
- Section of Biology and Genetics Giovanni Sichel, Department of Biomedical and Biotechnological Sciences, University of CataniaCatania, Italy
| | - Renata Rizzo
- Section of Child and Adolescent Psychiatry, Department of Clinical and Experimental Medicine, University of CataniaCatania, Italy
| | - Michele Purrello
- Section of Biology and Genetics Giovanni Sichel, Department of Biomedical and Biotechnological Sciences, University of CataniaCatania, Italy
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8
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Chunhua M, Lingdong K, Hongyan L, Zhangqiang M. Retracted: Umbelliferone reverses depression-like behavior in chronic unpredictable mild stress-induced mice via RIP140/NF-κB pathway. IUBMB Life 2016. [PMID: 27706905 DOI: 10.1002/iub.1570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Accepted: 09/22/2016] [Indexed: 06/06/2023]
Abstract
The above article from IUBMB Life, published online on October 5th, 2016 in Wiley Online Library (http://wileyonlinelibrary.com), has been retracted by agreement between the authors, the Journal Editors-in-Chief, Dr. Angelo Azzi and Dr. William Whelan, and Wiley Periodicals, Inc. The retraction has been agreed because the article was submitted and approved for publication by Chunhua Ma and Long Hongyan without consent in any form by the named Corresponding Author, Kong Lingdong. REFERENCE Chunhua, M., Lingdong, K., Hongyan, L. and Zhangqiang, M. (2016), Umbelliferone reverses depression-like behavior in chronic unpredictable mild stress-induced mice via RIP140/NF-κB pathway. IUBMB Life. doi:10.1002/iub.1570 © 2017 IUBMB Life, 69(9):767-767, 2017.
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Affiliation(s)
- Ma Chunhua
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210023, China
- Central Laboratory, Nanjing Municipal Hospital of T.C.M, The Third Affiliated Hospital of Nanjing University of T.C.M, Nanjing, 210001, China
| | - Kong Lingdong
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210023, China
| | - Long Hongyan
- Central Laboratory, Nanjing Municipal Hospital of T.C.M, The Third Affiliated Hospital of Nanjing University of T.C.M, Nanjing, 210001, China
| | - Ma Zhangqiang
- Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, Nanjing, 210009, PR China
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9
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Chen T, Ma Z, Zhu L, Jiang W, Wei T, Zhou R, Luo F, Zhang K, Fu Q, Ma C, Yan T. Suppressing Receptor-Interacting Protein 140: a New Sight for Salidroside to Treat Cerebral Ischemia. Mol Neurobiol 2015; 53:6240-6250. [PMID: 26563497 DOI: 10.1007/s12035-015-9521-7] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 10/28/2015] [Indexed: 01/09/2023]
Abstract
The purpose of the current study was to detect the effect of salidroside (Sal) on cerebral ischemia and explore its potential mechanism. Middle cerebral artery occlusion (MCAO) was performed to investigate the effects of Sal on cerebral ischemia. The rats were randomly divided into five groups: sham group, vehicle group, clopidogrel (7.5 mg/kg) group, Sal (20 mg/kg) group, and Sal (40 mg/kg) group. SH-SY5Y cells were exposed to ischemia-reperfusion (I/R) injury to verify the protective effect of Sal in vitro. We also built the stable receptor-interacting protein 140 (RIP140)-overexpressing SH-SY5Y cells. The results showed that Sal significantly reduces brain infarct size and cerebral edema. Sal could effectively decrease the levels of interleukin-6 (IL-6), interleukin-1β (IL-1β), and tumor necrosis factor-α (TNF-α) in serum of the MCAO rats and supernatant of I/R-induced SH-SY5Y cells. Immunohistochemical and Western blot results demonstrated that Sal inhibited RIP140-mediated inflammation and apoptosis in the MCAO rats and SH-SY5Y cells. In addition, we further confirmed that RIP140/NF-κB signaling plays a crucial role by evaluating the protein expression in RIP140-overexpressing SH-SY5Y cells. Our findings suggested that Sal could be used as an effective neuroprotective agent for cerebral ischemia due to its significant effect on preventing neuronal cell injury after cerebral ischemia both in vivo and in vitro by the inhibitions of RIP140-mediated inflammation and apoptosis.
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Affiliation(s)
- Tong Chen
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China
| | - Zhanqiang Ma
- Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, Nanjing, 210009, China
| | - Lingpeng Zhu
- Department of Physiology and Pharmacology, China Pharmaceutical University, Nanjing, 210009, China
| | - Wenjiao Jiang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China
| | - Tingting Wei
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China
| | - Rui Zhou
- Department of Physiology and Pharmacology, China Pharmaceutical University, Nanjing, 210009, China
| | - Fen Luo
- Department of Physiology and Pharmacology, China Pharmaceutical University, Nanjing, 210009, China
| | - Kai Zhang
- Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, Nanjing, 210009, China
| | - Qiang Fu
- Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, Nanjing, 210009, China
| | - Chunhua Ma
- Department of Physiology and Pharmacology, China Pharmaceutical University, Nanjing, 210009, China.
| | - Tianhua Yan
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China. .,Department of Physiology and Pharmacology, China Pharmaceutical University, Nanjing, 210009, China.
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10
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Wu CY, Persaud SD, Wei LN. Retinoic Acid Induces Ubiquitination-Resistant RIP140/LSD1 Complex to Fine-Tune Pax6 Gene in Neuronal Differentiation. Stem Cells 2015; 34:114-23. [PMID: 26372689 DOI: 10.1002/stem.2190] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Accepted: 08/07/2015] [Indexed: 01/16/2023]
Abstract
Receptor-interacting protein 140 (RIP140) is a wide-spectrum coregulator for hormonal regulation of gene expression, but its activity in development/stem cell differentiation is unknown. Here, we identify RIP140 as an immediate retinoic acid (RA)-induced dual-function chaperone for LSD1 (lysine-specific demethylase 1). RIP140 protects LSD1's catalytic domain and antagonizes its Jade-2-mediated ubiquitination and degradation. In RA-induced neuronal differentiation, the increased RIP140/LSD1 complex is recruited by RA-elevated Pit-1 to specifically reduce H3K4me2 modification on the Pax6 promoter, thereby repressing RA-induction of Pax6. This study reveals a new RA-induced gene repressive mechanism that modulates the abundance, enzyme quality, and recruitment of histone modifier LSD1 to neuronal regulator Pax6, which provides a homeostatic control for RA induction of neuronal differentiation.
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Affiliation(s)
- Cheng-Ying Wu
- Department of Pharmacology, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Shawna D Persaud
- Department of Pharmacology, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Li-Na Wei
- Department of Pharmacology, University of Minnesota Medical School, Minneapolis, Minnesota, USA
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11
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Herbst EA, Bonen A, Holloway GP. Changes in nuclear receptor corepressor RIP140 do not influence mitochondrial content in the cortex. Appl Physiol Nutr Metab 2015; 40:1086-8. [DOI: 10.1139/apnm-2015-0192] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Changes in nuclear receptor interacting protein 140 (RIP140) influences mitochondrial content in skeletal muscle; however, the translation of these findings to the brain has not been investigated. The present study examined the impact of overexpressing and ablating RIP140 on mitochondrial content in muscle and the cortex through examining mRNA, mtDNA, and mitochondrial protein content. Our results show that changes in RIP140 expression significantly alters markers of mitochondrial content in skeletal muscle but not the brain.
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Affiliation(s)
- Eric A.F. Herbst
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Arend Bonen
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Graham P. Holloway
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
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Feng X, Lin YL, Wei LN. Behavioral stress reduces RIP140 expression in astrocyte and increases brain lipid accumulation. Brain Behav Immun 2015; 46:270-9. [PMID: 25697398 PMCID: PMC4414809 DOI: 10.1016/j.bbi.2015.02.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Revised: 02/02/2015] [Accepted: 02/09/2015] [Indexed: 12/17/2022] Open
Abstract
Receptor-interacting protein 140 (RIP140) is highly expressed in the brain, and acts in neurons and microglia to affect emotional responses. The present study reveals an additional function of RIP140 in the brain, which is to regulate brain lipid homeostasis via its action in astrocytes. We found forced swim stress (FSS) significantly reduces the expression level of RIP140 and elevates cholesterol content in the brain. Mechanistically, FSS elevates endoplasmic reticulum stress, which suppresses RIP140 expression by increasing microRNA 33 (miR33) that targets RIP140 mRNA's 3'-untranslated region. Consequentially, cholesterol biosynthesis and export are dramatically increased in astrocyte, the major source of brain cholesterol. These results demonstrate that RIP140 plays an important role in maintaining brain cholesterol homeostasis through, partially, regulating cholesterol metabolism in, and mobilization from, astrocyte. Altering RIP140 levels can disrupt brain cholesterol homeostasis, which may contribute to behavioral stress-induced neurological disorders.
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Affiliation(s)
- Xudong Feng
- Department of Pharmacology, University of Minnesota Medical School, Minneapolis, MN 55455, United States
| | - Yu-Lung Lin
- Department of Pharmacology, University of Minnesota Medical School, Minneapolis, MN 55455, United States
| | - Li-Na Wei
- Department of Pharmacology, University of Minnesota Medical School, Minneapolis, MN 55455, United States.
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