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Tu J, Li W, Hansbro PM, Yan Q, Bai X, Donovan C, Kim RY, Galvao I, Das A, Yang C, Zou J, Diwan A. Smoking and tetramer tryptase accelerate intervertebral disc degeneration by inducing METTL14-mediated DIXDC1 m 6 modification. Mol Ther 2023; 31:2524-2542. [PMID: 37340635 PMCID: PMC10422004 DOI: 10.1016/j.ymthe.2023.06.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 04/24/2023] [Accepted: 06/14/2023] [Indexed: 06/22/2023] Open
Abstract
Although cigarette smoking (CS) and low back pain (LBP) are common worldwide, their correlations and the mechanisms of action remain unclear. We have shown that excessive activation of mast cells (MCs) and their proteases play key roles in CS-associated diseases, like asthma, chronic obstructive pulmonary disease (COPD), blood coagulation, and lung cancer. Previous studies have also shown that MCs and their proteases induce degenerative musculoskeletal disease. By using a custom-designed smoke-exposure mouse system, we demonstrated that CS results in intervertebral disc (IVD) degeneration and release of MC-restricted tetramer tryptases (TTs) in the IVDs. TTs were found to regulate the expression of methyltransferase 14 (METTL14) at the epigenetic level by inducing N6-methyladenosine (m6A) deposition in the 3' untranslated region (UTR) of the transcript that encodes dishevelled-axin (DIX) domain-containing 1 (DIXDC1). That reaction increases the mRNA stability and expression of Dixdc1. DIXDC1 functionally interacts with disrupted in schizophrenia 1 (DISC1) to accelerate the degeneration and senescence of nucleus pulposus (NP) cells by activating a canonical Wnt pathway. Our study demonstrates the association between CS, MC-derived TTs, and LBP. These findings raise the possibility that METTL14-medicated DIXDC1 m6A modification could serve as a potential therapeutic target to block the development of degeneration of the NP in LBP patients.
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Affiliation(s)
- Ji Tu
- Spine Labs, St. George & Sutherland Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Wentian Li
- Spine Labs, St. George & Sutherland Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Philip M Hansbro
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, NSW, Australia; Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute, University of Newcastle, Newcastle, NSW, Australia
| | - Qi Yan
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xupeng Bai
- Center for Innovation and Translational Medicine, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, First Affiliated Hospital, and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Chantal Donovan
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, NSW, Australia; Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute, University of Newcastle, Newcastle, NSW, Australia
| | - Richard Y Kim
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, NSW, Australia; Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute, University of Newcastle, Newcastle, NSW, Australia
| | - Izabela Galvao
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, NSW, Australia; Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute, University of Newcastle, Newcastle, NSW, Australia
| | - Abhirup Das
- Spine Labs, St. George & Sutherland Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Cao Yang
- Department of Orthopedic Surgery, Wuhan Union Hospital, Tongji Medical School, Huazhong University of Science and Technology, Wuhan, China.
| | - Jun Zou
- Department of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China.
| | - Ashish Diwan
- Spine Labs, St. George & Sutherland Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia; Spine Service, Department of Orthopedic Surgery, St. George Hospital, Kogarah, NSW, Australia.
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DIXDC1 contributes to psychiatric susceptibility by regulating dendritic spine and glutamatergic synapse density via GSK3 and Wnt/β-catenin signaling. Mol Psychiatry 2018; 23:467-475. [PMID: 27752079 PMCID: PMC5395363 DOI: 10.1038/mp.2016.184] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 08/30/2016] [Accepted: 09/01/2016] [Indexed: 12/11/2022]
Abstract
Mice lacking DIX domain containing-1 (DIXDC1), an intracellular Wnt/β-catenin signal pathway protein, have abnormal measures of anxiety, depression and social behavior. Pyramidal neurons in these animals' brains have reduced dendritic spines and glutamatergic synapses. Treatment with lithium or a glycogen synthase kinase-3 (GSK3) inhibitor corrects behavioral and neurodevelopmental phenotypes in these animals. Analysis of DIXDC1 in over 9000 cases of autism, bipolar disorder and schizophrenia reveals higher rates of rare inherited sequence-disrupting single-nucleotide variants (SNVs) in these individuals compared with psychiatrically unaffected controls. Many of these SNVs alter Wnt/β-catenin signaling activity of the neurally predominant DIXDC1 isoform; a subset that hyperactivate this pathway cause dominant neurodevelopmental effects. We propose that rare missense SNVs in DIXDC1 contribute to psychiatric pathogenesis by reducing spine and glutamatergic synapse density downstream of GSK3 in the Wnt/β-catenin pathway.
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Zhong J, Liu Y, Xu Q, Yu J, Zhang M. Inhibition of DIXDC1 by microRNA-1271 suppresses the proliferation and invasion of prostate cancer cells. Biochem Biophys Res Commun 2017; 484:794-800. [PMID: 28153722 DOI: 10.1016/j.bbrc.2017.01.169] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 01/28/2017] [Indexed: 12/16/2022]
Abstract
Disheveled-Axin domain containing 1 (DIXDC1) is involved in the development and progression of multiple cancers. However, the function significance of DIXDC1 in prostate cancer remains unclear. In this study, we investigated the function of DIXDC1 in prostate cancer and the regulation of DIXDC1 by microRNAs (miRNAs). We found that DIXDC1 was highly expressed in prostate cancer cells. Knockdown of DIXDC1 by small interfering RNAs markedly suppressed proliferation, invasion and Wnt signaling in prostate cancer cells. DIXDC1 was identified as a target gene of miR-1271 by bioinformatics analysis, dual-luciferase reporter assay, real-time quantitative polymerase chain reaction and Western blot analysis. Furthermore, DIXDC1 expression was inversely correlated with miR-1271 expression in prostate cancer tissues. The overexpression of miR-1271 significantly inhibited proliferation, invasion and Wnt signaling in prostate cancer cells. However, the inhibition of miR-1271 exhibits the opposite effects. Moreover, the overexpression of DIXDC1 significantly reversed the inhibitory effects of miR-1271 overexpression. Taken together, our results suggest that DIXDC1 plays an important role in regulating prostate cancer cell proliferation and invasion. Targeting DIXDC1 by miR-1271 may be a promising therapeutic strategy for prostate cancer.
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Affiliation(s)
- Jiateng Zhong
- Department of Pathology, Xinxiang Medical University, Xinxiang, Henan 453000, China
| | - Yufei Liu
- Department of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453000, China
| | - Qingli Xu
- Department of Gynecology and Obstetrics, Women and Infants Hospital of Zhengzhou, Zhengzhou, Henan 450000, China
| | - Jian Yu
- Department of Pathology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453000, China
| | - Muchun Zhang
- Department of Urology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130031, China.
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Overexpression of DIXDC1 correlates with enhanced cell growth and poor prognosis in human pancreatic ductal adenocarcinoma. Hum Pathol 2016; 57:182-192. [DOI: 10.1016/j.humpath.2016.07.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 07/18/2016] [Accepted: 07/20/2016] [Indexed: 12/24/2022]
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Dixdc1 targets CyclinD1 and p21 via PI3K pathway activation to promote Schwann cell proliferation after sciatic nerve crush. Biochem Biophys Res Commun 2016; 478:956-63. [DOI: 10.1016/j.bbrc.2016.08.058] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 08/08/2016] [Indexed: 12/30/2022]
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Zhou S, Shen J, Lin S, Liu X, Xu M, Shi L, Wang X, Cai X. Downregulated expression of DIXDC1 in hepatocellular carcinoma and its correlation with prognosis. Tumour Biol 2016; 37:13607-13616. [DOI: 10.1007/s13277-016-5213-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 07/13/2016] [Indexed: 10/21/2022] Open
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He S, Lu Y, Liu X, Huang X, Keller ET, Qian CN, Zhang J. Wnt3a: functions and implications in cancer. CHINESE JOURNAL OF CANCER 2015; 34:554-62. [PMID: 26369691 PMCID: PMC4593336 DOI: 10.1186/s40880-015-0052-4] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Accepted: 08/18/2015] [Indexed: 12/30/2022]
Abstract
Wnt3a, one of Wnt family members, plays key roles in regulating pleiotropic cellular functions, including self-renewal, proliferation, differentiation, and motility. Accumulating evidence has suggested that Wnt3a promotes or suppresses tumor progression via the canonical Wnt signaling pathway depending on cancer type. In addition, the roles of Wnt3a signaling can be inhibited by multiple proteins or chemicals. Herein, we summarize the latest findings on Wnt3a as an important therapeutic target in cancer.
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Affiliation(s)
- Sha He
- Key Laboratory of Longevity and Ageing-related Diseases, Ministry of Education, Nanning, Guangxi, 530021, P.R. China. .,Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, 530021, P.R. China.
| | - Yi Lu
- Key Laboratory of Longevity and Ageing-related Diseases, Ministry of Education, Nanning, Guangxi, 530021, P.R. China. .,Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, 530021, P.R. China.
| | - Xia Liu
- Key Laboratory of Longevity and Ageing-related Diseases, Ministry of Education, Nanning, Guangxi, 530021, P.R. China. .,Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, 530021, P.R. China.
| | - Xin Huang
- Key Laboratory of Longevity and Ageing-related Diseases, Ministry of Education, Nanning, Guangxi, 530021, P.R. China. .,Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, 530021, P.R. China.
| | - Evan T Keller
- Department of Urology and Pathology, School of Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.
| | - Chao-Nan Qian
- Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, 51006, P.R. China.
| | - Jian Zhang
- Key Laboratory of Longevity and Ageing-related Diseases, Ministry of Education, Nanning, Guangxi, 530021, P.R. China. .,Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, 530021, P.R. China. .,Department of Urology and Pathology, School of Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.
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Xu Z, Liu D, Fan C, Luan L, Zhang X, Wang E. DIXDC1 increases the invasion and migration ability of non-small-cell lung cancer cells via the PI3K-AKT/AP-1 pathway. Mol Carcinog 2013; 53:917-25. [PMID: 23813858 DOI: 10.1002/mc.22059] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Revised: 05/20/2013] [Accepted: 05/31/2013] [Indexed: 11/08/2022]
Abstract
DIX domain containing 1 (DIXDC1), is a human homolog of Ccd1, a recently identified DIX domain containing protein in zebrafish. DIXDC1 protein was detected in human colorectal adenocarcinoma tissues and was found to be correlated with a high cell proliferation index. We demonstrated DIXDC1 overexpression in 55% (92/167) of non-small cell lung cancer (NSCLC) cases, compared to adjacent noncancerous lung tissues (P < 0.01). Overexpression of DIXDC1 was associated with lymph node metastasis and more advanced TNM stage (P < 0.001 and P = 0.001, respectively). Kaplan-Meier survival curves and log-rank testing indicated that overexpression of DIXDC1 correlated with worse overall survival in NSCLC (P = 0.031). DIXDC1 was more abundant in seven NSCLC lines than the bronchial cell line HBE, and modulation of its expression regulated AP-1 activity; MMP2, MMP7, and MMP9 protein and mRNA; and invasion ability. Metalloproteinase induction was reversed by PI3K/AKT and AP-1 inhibition. These results suggest DIXDC1 is associated with stage and prognosis in NSCLC, and may promote invasion and migration through PI3K-AKT/AP-1-dependent activation of metalloproteinases.
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Affiliation(s)
- Zhonghai Xu
- Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China
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Yamada A, Iwata T, Yamato M, Okano T, Izumi Y. Diverse functions of secreted frizzled-related proteins in the osteoblastogenesis of human multipotent mesenchymal stromal cells. Biomaterials 2013; 34:3270-8. [DOI: 10.1016/j.biomaterials.2013.01.066] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2012] [Accepted: 01/10/2013] [Indexed: 12/20/2022]
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Inestrosa NC, Montecinos-Oliva C, Fuenzalida M. Wnt signaling: role in Alzheimer disease and schizophrenia. J Neuroimmune Pharmacol 2012; 7:788-807. [PMID: 23160851 DOI: 10.1007/s11481-012-9417-5] [Citation(s) in RCA: 151] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2012] [Accepted: 10/30/2012] [Indexed: 12/16/2022]
Abstract
Wnt signaling function starts during the development of the nervous system and is crucial for synaptic plasticity in the adult brain. Clearly Wnt effects in synaptic and plastic processes are relevant, however the implication of this pathway in the prevention of neurodegenerative diseases that produce synaptic impairment, is even more interesting. Several years ago our laboratory found a relationship between the loss of Wnt signaling and the neurotoxicity of the amyloid-β-peptide (Aβ), one of the main players in Alzheimer's disease (AD). Moreover, the activation of the Wnt signaling cascade prevents Aβ-dependent cytotoxic effects. In fact, disrupted Wnt signaling may be a direct link between Aβ-toxicity and tau hyperphosphorylation, ultimately leading to impaired synaptic plasticity and/or neuronal degeneration, indicating that a single pathway can account for both neuro-pathological lesions and altered synaptic function. These observations, suggest that a sustained loss of Wnt signaling function may be a key relevant factor in the pathology of AD. On the other hand, Schizophrenia remains one of the most debilitating and intractable illness in psychiatry. Since Wnt signaling is important in organizing the developing brain, it is reasonable to propose that defects in Wnt signaling could contribute to Schizophrenia, particularly since the neuro-developmental hypothesis of the disease implies subtle dys-regulation of brain development, including some core components of the Wnt signaling pathways such as GSK-3β or Disrupted in Schizophrenia-1 (DISC-1). This review focuses on the relationship between Wnt signaling and its potential relevance for the treatment of neurodegenerative and neuropsychiatric diseases including AD and Schizophrenia.
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Affiliation(s)
- Nibaldo C Inestrosa
- Centro de Envejecimiento y Regeneración (CARE), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Alameda 340, 8331150, Santiago, Chile.
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Liu YT, Dan QJ, Wang J, Feng Y, Chen L, Liang J, Li Q, Lin SC, Wang ZX, Wu JW. Molecular basis of Wnt activation via the DIX domain protein Ccd1. J Biol Chem 2011; 286:8597-8608. [PMID: 21189423 PMCID: PMC3048742 DOI: 10.1074/jbc.m110.186742] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Revised: 12/06/2010] [Indexed: 01/22/2023] Open
Abstract
The Wnt signaling plays pivotal roles in embryogenesis and cancer, and the three DIX domain-containing proteins, Dvl, Axin, and Ccd1, play distinct roles in the initiation and regulation of canonical Wnt signaling. Overexpressed Dvl has a tendency to form large polymers in a cytoplasmic punctate pattern, whereas the biologically active Dvl in fact forms low molecular weight oligomers. The molecular basis for how the polymeric sizes of Dvl proteins are controlled upon Wnt signaling remains unclear. Here we show that Ccd1 up-regulates canonical Wnt signaling via acting synergistically with Dvl. We determined the crystal structures of wild type Ccd1-DIX and mutant Dvl1-DIX(Y17D), which pack into "head-to-tail" helical filaments. Structural analyses reveal two sites crucial for intra-filament homo- and hetero-interaction and a third site for inter-filament homo-assembly. Systematic mutagenesis studies identified critical residues from all three sites required for Dvl homo-oligomerization, puncta formation, and stimulation of Wnt signaling. Remarkably, Ccd1 forms a hetero-complex with Dvl through the "head" of Dvl-DIX and the "tail" of Ccd1-DIX, depolymerizes Dvl homo-assembly, and thereby controls the size of Dvl polymer. These data together suggest a molecular mechanism for Ccd1-mediated Wnt activation in that Ccd1 converts latent polymeric Dvl to a biologically active oligomer(s).
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Affiliation(s)
- Yi-Tong Liu
- From the MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Qiong-Jie Dan
- the Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China, and
| | - Jiawei Wang
- From the MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Yingang Feng
- the Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China, and
| | - Lei Chen
- From the MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Juan Liang
- From the MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Qinxi Li
- the MOE Key Laboratory of Cell Biology and Tumor Cell Engineering, School of Life Sciences, Xiamen University, Xiamen, Fujian 361005, China
| | - Sheng-Cai Lin
- the MOE Key Laboratory of Cell Biology and Tumor Cell Engineering, School of Life Sciences, Xiamen University, Xiamen, Fujian 361005, China
| | - Zhi-Xin Wang
- From the MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China,; the Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China, and
| | - Jia-Wei Wu
- From the MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China,.
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Dharap A, Vemuganti R. Ischemic pre-conditioning alters cerebral microRNAs that are upstream to neuroprotective signaling pathways. J Neurochem 2010; 113:1685-91. [PMID: 20402966 DOI: 10.1111/j.1471-4159.2010.06735.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Cerebral gene expression is known to be significantly influenced by a sublethal ischemic event (pre-conditioning; PC) that induces tolerance to future damaging ischemic events. Small non-coding RNAs known as microRNAs (miRNAs) were recently shown to control the mRNA translation. We currently profiled cerebral miRNAs in the cerebral cortex of rats subjected to PC. The miRNAome reacted quickly and by 6 h following PC, levels of 51 miRNAs were altered (26 up- and 25 down-regulated; > 1.5-fold change). Twenty of these stayed at the altered level even at 3 days after PC. At least nine miRNAs showed > 5-fold change at one or more time points between 6 h to 3 days after PC compared with sham. Bioinformatics analysis showed 2007 common targets of the miRNAs that were up-regulated and 459 common targets of the miRNAs that were down-regulated after PC. Pathways analysis showed that MAP-kinase and Mammalian target of rapamycin (mTOR) signaling are the top two Kyoto Encyclopedia of Genes and Genomes pathways targeted by the up-regulated miRNAs, and Wnt and GnRH signaling are the top two Kyoto Encyclopedia of Genes and Genomes pathways targeted by the down-regulated miRNAs after PC. We hypothesize that alterations in miRNAs and their down-stream mRNAs of signaling pathways might play a role in the induction of ischemic tolerance.
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Affiliation(s)
- Ashutosh Dharap
- Department of Neurological Surgery and Neuroscience Training Program, University of Wisconsin, Madison, Wisconsin 53792, USA
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