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https://www.readbyqxmd.com/read/28095900/post-stroke-dementia-a-comprehensive-review
#1
REVIEW
Milija D Mijajlović, Aleksandra Pavlović, Michael Brainin, Wolf-Dieter Heiss, Terence J Quinn, Hege B Ihle-Hansen, Dirk M Hermann, Einor Ben Assayag, Edo Richard, Alexander Thiel, Efrat Kliper, Yong-Il Shin, Yun-Hee Kim, SeongHye Choi, San Jung, Yeong-Bae Lee, Osman Sinanović, Deborah A Levine, Ilana Schlesinger, Gillian Mead, Vuk Milošević, Didier Leys, Guri Hagberg, Marie Helene Ursin, Yvonne Teuschl, Semyon Prokopenko, Elena Mozheyko, Anna Bezdenezhnykh, Karl Matz, Vuk Aleksić, DafinFior Muresanu, Amos D Korczyn, Natan M Bornstein
Post-stroke dementia (PSD) or post-stroke cognitive impairment (PSCI) may affect up to one third of stroke survivors. Various definitions of PSCI and PSD have been described. We propose PSD as a label for any dementia following stroke in temporal relation. Various tools are available to screen and assess cognition, with few PSD-specific instruments. Choice will depend on purpose of assessment, with differing instruments needed for brief screening (e.g., Montreal Cognitive Assessment) or diagnostic formulation (e...
January 18, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28092086/anxiety-related-behaviours-associated-with-microrna-206-3p-and-bdnf-expression-in-pregnant-female-mice-following-psychological-social-stress
#2
Zhuang Miao, Fengbiao Mao, Jialong Liang, Moshe Szyf, Yan Wang, Zhong Sheng Sun
Stress during pregnancy can induce various psychological disorders in women. However, the association linking psychological stress during pregnancy with abnormal behaviours in females remains largely unknown. We employed a novel psychological stress model by introducing pregnant mice to witness the defeat process of their mated partner (WDPMP) and examined the effects of WDPMP on depression-/anxiety-like behaviours and on the expression of brain-derived neurotrophic factor (BDNF) and miR-206-3p in the hippocampus, medial prefrontal cortex (mPFC) and amygdala...
January 14, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28079059/co-variation-of-peripheral-levels-of-mir-1202-and-brain-activity-and-connectivity-during-antidepressant-treatment
#3
Juan Pablo Lopez, Fabricio Pereira, Stéphane Richard-Devantoy, Marcelo Berlim, Eduardo Chachamovich, Laura M Fiori, Paola Niola, Gustavo Turecki, Fabrice Jollant
MicroRNAs are short non-coding molecules that play a major role in regulating gene expression. Peripheral levels of miR-1202 have been shown to predict and mediate antidepressant response. However, it is not clear to what extent these peripheral measures reflect central neural changes in vivo. We approached this problem with the combined use of peripheral miR-1202 measures and neuroimaging. At baseline and after 8 weeks of Desvenlafaxine (50-100 mg die), twenty patients were scanned with 3T Magnetic Resonance Imaging, first at rest then during the Go/NoGo task, a classical test of response inhibition...
January 12, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28073061/the-significance-of-micrornas-in-the-course-of-rdd
#4
Kinga Bobińska, Janusz Szemraj, Joanna Mossakowska-Wójcik, Piotr Gałecki, Monika Talarowska
BACKGROUND: In recent years, special attention in genetic studies dedicated to the development of various diseases, including mental disorders, has been paid to micro ribonucleic acids (miRNA, microRNA). As an object of our analysis we have selected the miRNAs which - due to the profile of their activity - may be significant in the aetiology and course of recurrent depressive disorders, i.e. miRNA-370, miRNA-411, miRNA-433, miRNA-487b and miRNA-539. METHODS: The examined population included 138 patients suffering from depression and 95 individuals from the control group (CG)...
October 14, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28055991/role-of-mir-24-furin-and-transforming-growth-factor-%C3%AE-1-signal-pathway-in-fibrosis-after-cardiac-infarction
#5
Zhufeng Chen, Sumei Lu, Miao Xu, Peng Liu, Rui Ren, Wanshan Ma
BACKGROUND Cardiac fibrosis after primary infarction is a type of pathological phenomena as shown by increased collagen in myocardial cells. Transforming growth factor (TGF)-β1 is a critical factor participating in myocardial fibrosis. A previous study has shown the inhibitory role on TGF-β1 by microRNA-24 (miR-24) via targeting Furin. This study thus investigated the role of miR-24 and Furin/TGF-β1 in rat myocardial fibrosis. MATERIAL AND METHODS A total of 40 adult SD rats (both males and females) were prepared for myocardial infarction model by ligating the descending branch of left coronary artery after anesthesia...
January 5, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28035180/bipolar-disorder-associated-microrna-mir-1908-5p-regulates-the-expression-of-genes-functioning-in-neuronal-glutamatergic-synapses
#6
Yoonhee Kim, Yinhua Zhang, Kaifang Pang, Hyojin Kang, Heejoo Park, Yeunkum Lee, Bokyoung Lee, Heon-Jeong Lee, Won-Ki Kim, Dongho Geum, Kihoon Han
Bipolar disorder (BD), characterized by recurrent mood swings between depression and mania, is a highly heritable and devastating mental illness with poorly defined pathophysiology. Recent genome-wide molecular genetic studies have identified several protein-coding genes and microRNAs (miRNAs) significantly associated with BD. Notably, some of the proteins expressed from BD-associated genes function in neuronal synapses, suggesting that abnormalities in synaptic function could be one of the key pathogenic mechanisms of BD...
December 2016: Experimental Neurobiology
https://www.readbyqxmd.com/read/28012229/mir-3941-a-novel-microrna-that-controls-igbp1-expression-and-is-associated-with-malignant-progression-of-lung-adenocarcinoma
#7
Taiki Sato, Aya Shiba-Ishii, Yunjung Kim, Tomoko Dai, Ryan Edbert Husni, JeongMin Hong, Junko Kano, Shingo Sakashita, Tatsuo Iijima, Masayuki Noguchi
Immunoglobulin (CD79a) binding protein 1 (IGBP1) is universally overexpressed in lung adenocarcinoma and exerts an anti-apoptotic effect by binding to PP2Ac. However, the molecular mechanism of IGBP1 overexpression is still unclear. In the present study, we used a microRNA (miRNA) array and TargetScan Human software to detect IGBP1-related miRNAs that regulate IGBP1 expression. The miRNA array analysis revealed more than 100 miRNAs that are dysregulated in early invasive adenocarcinoma. On the other hand, in silico analysis using TargetScan Human revealed 79 miRNAs that are associated with IGBP1 protein expression...
December 23, 2016: Cancer Science
https://www.readbyqxmd.com/read/28003160/regulatory-factor-x1-depresses-apoe-dependent-a%C3%AE-uptake-by-mirna-124-in-microglial-response-to-oxidative-stress
#8
Chen-Zhuo Feng, Jin-Bo Yin, Jian-Jun Yang, Lin Cao
Decreased proteolytic clearance of soluble amyloid β (Aβ) in microglia affects Aβ accumulation on Alzheimer's disease progression. However, the potential molecular mechanism by which microglial Aβ uptake is regulated remains unclear. In this study, we identified a microRNA, miR-124, that was down-regulated in aging with a function in regulating apolipoprotein E (ApoE)-dependent Aβ uptake by targeting regulatory factor X1 (RFX1) transcripts on BV2 microglia cell. Decreased expression of miRNA-124 in BV2 cells exposed to mild hydrogen peroxide increased RFX1 protein level and decreased the expression of ApoE, a gene which has been suggested to enhance cellular Aβ uptake in microglia...
December 18, 2016: Neuroscience
https://www.readbyqxmd.com/read/27877044/increased-mir-132-level-is-associated-with-visual-memory-dysfunction-in-patients-with-depression
#9
Ye Liu, Xiao Yang, Liansheng Zhao, Jian Zhang, Tao Li, Xiaohong Ma
BACKGROUND: Impaired visual memory seems to be a core feature of depression, while increased microRNA-132 (miR-132) levels have been widely reported in depression patients. The authors aimed to explore the relationship between miR-132 changes and visual memory deficits in unmedicated patients with major depressive disorder (MDD). PATIENTS AND METHODS: A total of 62 medication-free MDD patients and 73 matched healthy controls (HCs) were tested for miR-132 expression level in peripheral blood using quantitative real-time polymerase chain reaction...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27875524/microrna-137-promotes-apoptosis-in-ovarian-cancer-cells-via-the-regulation-of-xiap
#10
Xiaodi Li, Wei Chen, Wenshu Zeng, Chunling Wan, Shiwei Duan, Songshan Jiang
BACKGROUND: microRNAs (miRNAs) have regulatory roles in various cellular processes, including apoptosis. Recently, X-linked inhibitor of apoptosis protein (XIAP) has been reported to be dysregulated in epithelial ovarian cancer (EOC). However, the mechanism underlying this dysregulation is largely unknown. METHODS: Using bioinformatics and a literature analysis, a panel of miRNAs dysregulated in EOC was chosen for further experimental confirmation from hundreds of miRNAs that were predicted to interact with the XIAP 3'UTR...
January 3, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/27845777/newer-insights-into-the-role-of-mirna-a-tiny-genetic-tool-in-psychiatric-disorders-focus-on-post-traumatic-stress-disorder
#11
REVIEW
V V Giridharan, R A Thandavarayan, G R Fries, C Walss-Bass, T Barichello, N J Justice, M K Reddy, J Quevedo
Post-traumatic stress disorder (PTSD) is a mental disorder occurring in about 2-9% of individuals after their exposure to life-threatening events, such as severe accidents, sexual abuse, combat or a natural catastrophe. Because PTSD patients are exposed to trauma, it is likely that epigenetic modifications have an important role in disease development and prognosis. For the past two decades, abnormal expression of the epigenetic regulators microRNAs (miRs) and miR-mediated gene regulation have been given importance in a variety of human diseases, such as cancer, heart disease and viral infection...
November 15, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27832949/mir-137-modulates-coelomocyte-apoptosis-by-targeting-14-3-3%C3%AE-in-the-sea-cucumber-apostichopus-japonicus
#12
Miao Lv, Huahui Chen, Yina Shao, Chenghua Li, Wei Xu, Weiwei Zhang, Xuelin Zhao, Xuemei Duan
MicroRNAs (miRNAs) have emerged as key regulators in the host immune response and play a pivotal role in host-pathogen interactions by suppressing the transcriptional and post-transcriptional expression of target genes. miR-137, a well-documented tumor repressor, was previously found by high-throughput sequencing to be differentially expressed in diseased specimens of the sea cucumber Apostichopus japonicus. In this study, we identified 14-3-3ζ protein (Aj14-3-3ζ) as a novel target of miR-137 using isobaric tags for relative and absolute quantification (iTRAQ) and transcriptome screening...
February 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/27773352/dcc-confers-susceptibility-to-depression-like-behaviors-in-humans-and-mice-and-is-regulated-by-mir-218
#13
Angélica Torres-Berrío, Juan Pablo Lopez, Rosemary C Bagot, Dominique Nouel, Gregory Dal Bo, Santiago Cuesta, Lei Zhu, Colleen Manitt, Conrad Eng, Helen M Cooper, Kai-Florian Storch, Gustavo Turecki, Eric J Nestler, Cecilia Flores
BACKGROUD: Variations in the expression of the Netrin-1 guidance cue receptor DCC (deleted in colorectal cancer) appear to confer resilience or susceptibility to psychopathologies involving prefrontal cortex (PFC) dysfunction. METHODS: With the use of postmortem brain tissue, mouse models of defeat stress, and in vitro analysis, we assessed microRNA (miRNA) regulation of DCC and whether changes in DCC levels in the PFC lead to vulnerability to depression-like behaviors...
February 15, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/27757134/circulating-plasma-micro-rnas-in-patients-with-major-depressive-disorder-treated-with-antidepressants-a-pilot-study
#14
Virgil Radu Enatescu, Ion Papava, Ileana Enatescu, Mirela Antonescu, Andrei Anghel, Edward Seclaman, Ioan Ovidiu Sirbu, Catalin Marian
OBJECTIVE: Significant progress was made in the understanding etiopathogenic factors related to MDD, including through research on the role of micro RNAs (miRs). We investigated plasma miRs as potential markers for MDD in patients treated with antidepressants. METHODS: At the initiation and at the end of twelve weeks of treatment, blood samples were collected and a structured diagnostic interview and a standardized depression rating scale for the presence and severity of major depression were done...
September 2016: Psychiatry Investigation
https://www.readbyqxmd.com/read/27756833/the-frontal-cortex-as-a-network-hub-controlling-mood-and-cognition-probing-its-neurochemical-substrates-for-improved-therapy-of-psychiatric-and-neurological-disorders
#15
Mark J Millan, Jean-Michel Rivet, Alain Gobert
The highly-interconnected and neurochemically-rich frontal cortex plays a crucial role in the regulation of mood and cognition, domains disrupted in depression and other central nervous system disorders, and it is an important site of action for their therapeutic control. For improving our understanding of the function and dysfunction of the frontal cortex, and for identifying improved treatments, quantification of extracellular pools of neuromodulators by microdialysis in freely-moving rodents has proven indispensable...
October 17, 2016: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/27753886/ish-nia-os-01-the-microrna-mir-19a-3p-binds-to-a-polymorphism-in-the-gene-for-the-noradrenaline-transporter-and-may-increase-the-risk-of-cardiovascular-and-psychiatric-disease
#16
Francine Marques, Nina Eikelis, Richard Bayles, Nora Straznicky, Dagmara Hering, Murray Esler, Geoffrey Head, Markus Schlaich, Gavin Lambert
OBJECTIVE: Noradrenaline released from sympathetic nerves is removed from the neuroeffector junction via the action of the noradrenaline transporter (NET). NET impairment is evident in several clinically important conditions including essential hypertension, major depressive disorder, panic disorder and the postural orthostatic tachycardia syndrome. Only in rare instances, however, do coding single nucleotide polymorphisms (SNPs) seem to account for a defect in NET. The aim of this study was to determine whether rs7194256 (C/T), a SNP in the 3' untranslated region (UTR) of the NET gene, is associated with diseases associated with NET dysfunction, and to elucidate the mechanism involved...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27748930/mirnas-and-their-role-in-the-correlation-between-schizophrenia-and-cancer-review
#17
E Rizos, N Siafakas, E Skourti, C Papageorgiou, J Tsoporis, T H Parker, D I Christodoulou, D A Spandidos, E Katsantoni, V Zoumpourlis
Schizophrenia (SZ) and cancer (Ca) have a broad spectrum of clinical phenotypes and a complex biological background, implicating a large number of genetic and epigenetic factors. SZ is a chronic neurodevelopmental disorder signified by an increase in the expression of apoptotic molecular signals, whereas Ca is conversely characterized by an increase in appropriate molecular signaling that stimulates uncontrolled cell proliferation. The rather low risk of developing Ca in patients suffering from SZ is a hypothesis that is still under debate...
December 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27748825/identification-and-bioinformatic-analysis-of-dysregulated-micrornas-in-human-oligodendroglial-cells-infected-with-borna-disease-virus
#18
Hong Zhang, Peng He, Rongzhong Huang, Lin Sun, Siwen Liu, Jingjing Zhou, Yujie Guo, Deyu Yang, Peng Xie
MicroRNAs (miRNAs) are recognized as important regulators of gene expression via translational depression or mRNA degradation. Previously, dysregulated miRNAs have been found in neurodegenerative and neuropsychiatric disorders. Borna disease virus (BDV) is a neurotropic, negative single‑stranded RNA virus, which may be a cause of human neuropsychiatric disease. BDV is regarded as an ideal model to analyze the molecular mechanisms of mental disorders caused by viral infection. In the present study, 10 miRNAs were dysregulated in human oligodendrocytes (OL cells) infected with the BDV strain, Hu‑H1 (OL/BDV)...
November 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27723574/mir-326-is-a-diagnostic-biomarker-and-regulates-cell-survival-and-apoptosis-by-targeting-bcl-2-in-osteosarcoma
#19
Lei Cao, Jiandong Wang, Prof Qiugen Wang
Osteosarcoma is a malignant bone tumor in which the survival rate is still low. MicroRNA-326 (miR-326) has been proved a potential diagnostic and prognostic marker for several tumors. However, the clinical value of miR-326 is still unknown. In the present study, we detected the expression of miR-326 in the serum of osteosarcoma patients and in osteosarcoma tissues using qRT-PCR. We compared the serum expression of miR-326 with the clinicopathological characteristics and survival of osteosarcoma patients. Finally, we explored the role of miR-326 of the invasion of osteosarcoma tumor cells using cell migration and invasion assays...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27723376/ketamine-up-regulates-a-cluster-of-intronic-mirnas-within-the-serotonin-receptor-2c-gene-by-inhibiting-glycogen-synthase-kinase-3
#20
Steven F Grieco, Dmitry Velmeshev, Marco Magistri, Hagit Eldar-Finkelman, Mohammad A Faghihi, Richard S Jope, Eleonore Beurel
OBJECTIVES: We examined mechanisms that contribute to the rapid antidepressant effect of ketamine in mice that is dependent on glycogen synthase kinase-3 (GSK3) inhibition. METHODS: We measured serotonergic (5HT)-2C-receptor (5HTR2C) cluster microRNA (miRNA) levels in mouse hippocampus after administering an antidepressant dose of ketamine (10 mg/kg) in wild-type and GSK3 knockin mice, after GSK3 inhibition with L803-mts, and in learned helpless mice. RESULTS: Ketamine up-regulated cluster miRNAs 448-3p, 764-5p, 1264-3p, 1298-5p and 1912-3p (2- to 11-fold)...
October 10, 2016: World Journal of Biological Psychiatry
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