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microRNA depression

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https://www.readbyqxmd.com/read/28871468/microrna-expression-in-the-locus-coeruleus-entorhinal-cortex-and-hippocampus-at-early-and-middle-stages-of-braak-neurofibrillary-tangle-pathology
#1
Franc Llorens, Katrin Thüne, Pol Andrés-Benito, Waqas Tahir, Belén Ansoleaga, Karina Hernández-Ortega, Eulàlia Martí, Inga Zerr, Isidro Ferrer
The present study analyzes by RT-qPCR the expression of microRNA (miRNA)-27a-3p, miRNA-124-3p, miRNA-132-3p, and miRNA-143-3p in the locus coeruleus (LC), entorhinal cortex (EC), CA1 region of the hippocampus (CA1), and dentate gyrus (DG) of middle-aged (MA) individuals with no brain lesions and of cases at Braak and Braak stages I-II and II-IV of neurofibrillary tangle (NFT) pathology. The most affected region is the LC in which miRNA-27a-3p, miRNA-124-3p, and miRNA-143-3p show a trend to increase at stages I-II and are significantly up-regulated at stages III-IV when compared with MA...
September 5, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28837805/mir-361-targets-yes-associated-protein-yap-mrna-to-suppress-cell-proliferation-in-lung-cancer
#2
Suning Zhang, Zongang Liu, Lin Wu, Yudong Wang
Yes-associated protein (YAP) contributes to the development of multiple tumors, but the post-transcription modulation of YAP remains unexplored. Here, we present a new regulatory microRNA of YAP, miR-361, which directly targets YAP to inhibit cell proliferation in lung cancer. We used bioinformatics to predict that miR-361 could target 3'-untranslated region (3'UTR) of YAP mRNA. Luciferase reporter gene assays demonstrated that miR-361 could decrease the luciferase activities of 3'UTR vector of YAP. Furthermore, YAP expression was obviously abated by miR-361 using RT-PCR and immunoblotting in lung cancer A549 cells...
August 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28802862/microrna-21-expression-in-oligodendrocytes-and-correlation-with-low-myelin-mrnas-in-depression-and-alcoholism
#3
José Javier Miguel-Hidalgo, Katherine O Hall, Hannah Bonner, Anna M Roller, Maryam Syed, Casey J Park, Jana P Ball, Marc E Rothenberg, Craig A Stockmeier, Damian G Romero
MiR-21 is a microRNA implicated in cancer, development, and cardiovascular diseases and expressed in the central nervous system (CNS), especially after injury. However, the cellular expression of miR-21 in the adult CNS has not been clearly established either in mice or human subjects, while its alteration in psychiatric disorders is unknown. MiR-21 expression was characterized in reporter mice expressing β-galactosidase (LacZ) under the endogenous miR-21 promoter (miR-21/LacZ). Brain co-localization of miR-21/LacZ with specific neural markers was examined by double immunofluorescence in reporter mice, while extent of immunostaining for myelin basic protein and PDGFRα was determined in miR-21 knockout and wild-type mice...
August 9, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28782180/down-regulation-of-mir-10a-5p-in-synoviocytes-contributes-to-tbx5-controlled-joint-inflammation
#4
Nazim Hussain, Wenhua Zhu, Congshan Jiang, Jing Xu, Xiaoying Wu, Manman Geng, Safdar Hussain, Yongsong Cai, Ke Xu, Peng Xu, Yan Han, Jian Sun, Liesu Meng, Shemin Lu
MicroRNAs are considered to play critical roles in the pathogenesis of human inflammatory arthritis, including rheumatoid arthritis (RA). The purpose of this study was to determine the relationship between miR-10a-5p and TBX5 in synoviocytes and evaluate their contribution to joint inflammation. The expression of miR-10a-5p and TBX5 in the synovium of RA and human synovial sarcoma cell line SW982 stimulated by IL-1β was determined by RT-qPCR and Western blotting. The direct interaction between miR-10a-5p and TBX5 3'UTR was determined by dual-luciferase reporter assay in HeLa cells...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28764913/microrna-124-targets-glucocorticoid-receptor-and-is-involved-in-depression-like-behaviors
#5
Shuang-Shuang Wang, Rong-Hao Mu, Cheng-Fu Li, Shu-Qi Dong, Di Geng, Qing Liu, Li-Tao Yi
Dysregulation of microRNA (miRNA) has been shown to be involved in early observations of depression. MicroRNA-124-3p (miR-124) is the most abundant microRNA in the brain. Previous studies have shown that miR-124 plays a major role in depression. Here we showed that miR-124 directly targeted glucocorticoid receptor (GR) in HEK 293 cells. In addition, inhibition of miR-124 by its antagomir (2nmol/every two days) could reverse the decrease of sucrose preference and the increase of immobility time in mice exposed to chronic corticosterone (CORT, 40mg/kg) injection...
July 29, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28747084/mir-615-5p-depresses-natural-killer-cells-cytotoxicity-through-repressing-igf-1r-in-hepatocellular-carcinoma-patients
#6
Mai Atef Rahmoon, Rana Ahmed Youness, Asmaa Ibrahim Gomaa, Mohamed Tarif Hamza, Imam Waked, Hend Mohamed El Tayebi, Ahmed Ihab Abdelaziz
miR-615-5p was characterized by our group as a tumour suppressor. IGF-1 R activates a downstream signalling pathway, well characterized in liver cells, however, its role in immunity especially Natural Killer cells (NKs) remains vague. This study aimed at investigating the regulatory role of miR-615-5p on IGF signalling and its impact on NKs cytotoxicity in HCC. Our results showed an upregulation in miR-615-5p and IGF-1 R in NKs of 130 HCC patients compared to 35 controls. Forcing the expression of miR-615-5p, repressed IGF-IR, attenuated NKs cytotoxicity, decreased CD56(dim), increased CD56(bright) NK subsets and reduced the cytotoxic markers NKG2D, TNF-α and perforins...
July 27, 2017: Growth Factors
https://www.readbyqxmd.com/read/28742208/effects-of-microrna-21-targeting-pitx2-on-proliferation-and-apoptosis-of-pituitary-tumor-cells
#7
M Cui, M Zhang, H-F Liu, J-P Wang
OBJECTIVE: Expression of pituitary homeobox 2 (PITX2) is significantly elevated in pituitary adenoma tissues, which also has lower microRNA (miR)-21 expression, indicating possible tumor-suppression role of miR-21. Bio-informatics analysis revealed targeting onto 3'-UTR of PITX2 by miR-21. This study aims to investigate the role of miR-21/PITX2 expression in proliferation and apoptosis of pituitary adenoma cells and pathogenesis. PATIENTS AND METHODS: A total of 48 pituitary adenoma samples were collected in parallel with 12 normal brain tissues and were recruited in this study...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28716528/treatment-with-trek1-and-trpc3-6-ion-channel-inhibitors-upregulates-microrna-expression-in-a-mouse-model-of-chronic-mild-stress
#8
İlay Buran, Ebru Önalan Etem, Ahmet Tektemur, Halit Elyas
Depression is a common mental disorder characterized by the mood of deep sadness. Recent studies have demonstrated that microRNAs and ion channels have significant roles in the etiopathogenesis of depression. Therefore, we investigated the effects of the TREK1 ion channel inhibitor anandamide and the TRPC3/6 inhibitor norgestimate on microRNA expression and antidepressant effect in the mouse chronic mild stress (CMS) model of depression. Male BALB/c mice were divided into groups as control, CMS, CMS+sertraline, CMS+anandamide, CMS+sertraline+anandamide, CMS+norgestimate and CMS+sertraline+norgestimate...
July 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28714388/the-prospective-role-of-micrornas-in-depression
#9
Zhiying Hu, Yuting Jiang, Xue Huo, Yang Yang, Henry Davies, Benson O A Botchway, Marong Fang
Depression is a debilitating disease that is affecting a growing number of patients both physically and mentally. In addition to the mood changes, depression causes cognitive impairment, including learning and memory dysfunction. Although depression studies have been going on for decades, the underlying mechanism still remains unclear. MicroRNAs (miRNAs), a type of small non-coding RNAs, predominantly control the expression of their target mRNAs to exert their functions. Some evidence has revealed the importance of miRNAs in the mechanism of depression though the studies are still in their infancy...
July 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28704935/entrainment-of-breast-cell-lines-results-in-rhythmic-fluctuations-of-micrornas
#10
Rafael Chacolla-Huaringa, Jorge Moreno-Cuevas, Victor Trevino, Sean-Patrick Scott
Circadian rhythms are essential for temporal (~24 h) regulation of molecular processes in diverse species. Dysregulation of circadian gene expression has been implicated in the pathogenesis of various disorders, including hypertension, diabetes, depression, and cancer. Recently, microRNAs (miRNAs) have been identified as critical modulators of gene expression post-transcriptionally, and perhaps involved in circadian clock architecture or their output functions. The aim of the present study is to explore the temporal expression of miRNAs among entrained breast cell lines...
July 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28689715/exploration-of-low-temperature-microrna-function-in-an-anoxia-tolerant-vertebrate-ectotherm-the-red-eared-slider-turtle-trachemys-scripta-elegans
#11
Kyle K Biggar, Kenneth B Storey
As a model for vertebrate long-term survival in oxygen-restricted environments, the red-eared slider turtle (Trachemys scripta elegans) can adapt at the biochemical level to survive in oxygen-free (anoxic) cold water (<10°C). This impressive ability is enabled through a coordinated suppression of energy-expensive, non-essential, cell processes. This study explored the anoxia-responsive expression of several microRNA species (miR-1a, -133, -17, -107, -148a, -21, -103, -210, -20a, -365 and -29b) in adult turtles exposed to 5h and 20h anoxia (at 5±1°C)...
August 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28687876/chromosome-21-encoded-micrornas-mrnas-impact-on-down-s-syndrome-and-trisomy-21-linked-disease
#12
P N Alexandrov, M E Percy, Walter J Lukiw
Down's syndrome (DS; also known as trisomy 21; T21) is caused by a triplication of all or part of human chromosome 21 (chr21). DS is the most common genetic cause of intellectual disability attributable to a naturally-occurring imbalance in gene dosage. DS incurs huge medical, healthcare, and socioeconomic costs, and there are as yet no effective treatments for this incapacitating human neurogenetic disorder. There is a remarkably wide variability in the 'phenotypic spectrum' associated with DS; the progression of symptoms and the age of DS onset fluctuate, and there is further variability in the biophysical nature of the chr21 duplication...
July 7, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28673667/circulating-micrornas-as-biomarkers-for-depression-many-candidates-few-finalists
#13
REVIEW
Heidi Yuan, David Mischoulon, Maurizio Fava, Michael W Otto
BACKGROUND: Recent research has highlighted the potential of microRNAs to serve as physiological indicators of disease process among clinically depressed patients. METHODS: In a comprehensive literature search through PubMed, we identified 23 articles comparing circulating (blood, plasma, or serum) microRNA expression levels in depressed versus healthy human subjects. Six studies examining circulatory microRNA expression through animal models of depression were also identified through the search and details of each study were outlined...
June 27, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28654094/inflammation-and-vascular-remodeling-in-the-ventral-hippocampus-contributes-to-vulnerability-to-stress
#14
J Pearson-Leary, D Eacret, R Chen, H Takano, B Nicholas, S Bhatnagar
During exposure to chronic stress, some individuals engage in active coping behaviors that promote resiliency to stress. Other individuals engage in passive coping that is associated with vulnerability to stress and with anxiety and depression. In an effort to identify novel molecular mechanisms that underlie vulnerability or resilience to stress, we used nonbiased analyses of microRNAs in the ventral hippocampus (vHPC) to identify those miRNAs differentially expressed in active (long-latency (LL)/resilient) or passive (short-latency (SL)/vulnerable) rats following chronic social defeat...
June 27, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28647289/dysregulation-of-mir-499-mir-708-and-mir-1908-during-a-depression-episode-in-bipolar-disorders
#15
Ewa Banach, Monika Dmitrzak-Weglarz, Joanna Pawlak, Pawel Kapelski, Aleksandra Szczepankiewicz, Aleksandra Rajewska-Rager, Agnieszka Slopien, Maria Skibinska, Piotr Czerski, Joanna Hauser
Affective disorders include unipolar disorder (UP) (depression episodes) and bipolar disorder (BP) (depression and mania episodes). Currently, no biological markers are known that can help to differentiate these disorders. However, recent studies have suggested that psychiatric disorders can be connected with small, non-coding RNA, like microRNA. The objective of this study was to analyse the expression level of three microRNAs (miR-499, miR-708, miR-1908) in bipolar and unipolar disorder during depression episodes and after entering the remission state...
June 21, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28634203/papers-of-note-in-science356-6343
#16
Annalisa M VanHook
This week's articles describe a mechanism by which starvation primes a cellular nutrient-sensing system for activation upon refeeding; microRNAs that control pain sensitivity; and the lasting effects of early life stress on the likelihood of developing depression.
June 20, 2017: Science Signaling
https://www.readbyqxmd.com/read/28631567/microrna-1285-5p-influences-the-proliferation-and-metastasis-of-non-small-cell-lung-carcinoma-cells-via-downregulating-cdh1-and-smad4
#17
Shixia Zhou, Zhongmian Zhang, Pengyuan Zheng, Wenchao Zhao, Na Han
Abnormal expression of microRNAs has been reported to regulate gene expression and cancer cell growth, invasion, and migration. Recently, upregulation of hsa-miR-1285 was demonstrated in bronchoalveolar lavage fluid samples from patients with lung cancer and downregulation in plasma level of stage-I lung cancer patients. However, the function and the underlying mechanism of miR-1285 in non-small-cell lung carcinoma have not been elucidated. In this study, we found that miR-1285-5p, the mature form of miR-1285, was significantly upregulated in human non-small-cell lung carcinoma cell lines A549 and SK-MES-1...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28627674/mir-200c-serves-an-important-role-in-h5v-endothelial-cells-in-high-glucose-by-targeting-notch1
#18
Yunfeng Zhang, Qiang Guan, Xing Jin
Diabetic vasculopathy is the leading cause of impairment and death in diabetic patients, a variety of factors are involved in its underlying pathological process, however, endothelial cell (EC) dysfunction serves a significant role in the process. MicroRNAs (miRNAs) have emerged as potential therapeutic candidates, due to their ability to regulate multiple targets involved in ECs. The aim of the present study was to investigate the role of miR‑200c in regulating ECs in high glucose condition. To investigate the role of miR‑200c in regulating hyperglycemia induced ECs by targeting Notch1, ECs H5V cells were cultured in high sugar conditions to initiate the inhibition of Notch1, the same cells in normal medium as the control...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28618313/a-mir4646-associated-methylation-locus-is-hypomethylated-in-adolescent-depression
#19
Adrian E Boström, Diana-Maria Ciuculete, Misty Attwood, Regina Krattinger, Lamia Nikontovic, Olga E Titova, Gerd A Kullak-Ublick, Jessica Mwinyi, Helgi B Schiöth
BACKGROUND: Studies of epigenetics and transcriptional activity in adolescents may provide knowledge about possible preventive strategies of depression. METHODS: We present a methylome-wide association study (MWAS) and cohort validation analysis of depression in adolescents, in two separate cohorts: discovery (n=93) and validation data set 1 (n=78). The genome-wide methylation pattern was measured from whole blood using the Illumina 450K array. A second validation cohort, validation data set 2, consists of post-mortem brain biopsies from depressed adults (n=58)...
October 1, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28549965/microrna-101-in-the-ventrolateral-orbital-cortex-vlo-modulates-depressive-like-behaviors-in-rats-and-targets-dual-specificity-phosphatase-1-dusp1
#20
Yan Zhao, Shuang Wang, Zheng Chu, Yonghui Dang, Juanxia Zhu, Xingli Su
Long-term exposure to stress plays a key role in the pathogenesis of major depression. Recently, the ventrolateral orbital cortex (VLO) has received considerable attention for its role in the antidepressant response. However, the mechanisms underlying stress response in the VLO remain largely elusive. MiR-101 has been implicated in regulating multiple neurological processes. The present study used the chronic unpredictable mild stress (CUMS) rat model to investigate the expression of miR-101 in the VLOs of rat brains and the possible relevance of miR-101 to depression...
May 23, 2017: Brain Research
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