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miR-204

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https://www.readbyqxmd.com/read/28337266/long-non-coding-rna-uca1-promotes-cell-progression-by-acting-as-a-competing-endogenous-rna-of-atf2-in-prostate-cancer
#1
Shilong Zhang, Xinxin Dong, Tongyu Ji, Guoxiao Chen, Lei Shan
Prostate cancer (PCa) is a leading cause of cancer-related deaths in elder men. This disease has limited therapeutic options and poor prognosis as the underlying molecular mechanisms are not clearly understood. LncRNA UCA1 functions as an oncogene in many types of cancers. However, the role of UCA1 in PCa remains unclear. In the present study, we showed that UCA1 was significantly up-regulated in PCa cell lines and tissue samples. High UCA1 expression was positively associated with high gleason score, advanced TNM stage and shorter overall survival of PCa patients...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28280358/mir-204-5p-acts-as-a-tumor-suppressor-by-targeting-matrix-metalloproteinases-9-and-b-cell-lymphoma-2-in-malignant-melanoma
#2
Wenkang Luan, Yao Qian, Xin Ni, Xuefeng Bu, Yun Xia, Jinlong Wang, Hongru Ruan, Shaojun Ma, Bin Xu
An increasing number of microRNAs have been found to be involved in tumorigenesis, including melanoma tumorigenesis. miR-204-5p is down-regulated and functions as a tumor suppressor in many human malignant tumors. miR-204-5p expression is also decreased in melanoma tissues, but its biological roles and molecular mechanisms in malignant melanoma remain unclear. In this study, the aberrant down-regulation of miR-204-5p was detected in melanoma, especially in metastatic melanoma. miR-204-5p also served as a protective factor for the prognosis of melanoma patients...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28264626/quantitative-changes-in-the-protein-and-mirna-cargo-of-plasma-exosome-like-vesicles-after-exposure-to-ionizing-radiation
#3
Ramesh Yentrapalli, Juliane Merl-Pham, Omid Azimzadeh, Lisa Mutschelknaus, Carsten Peters, Stefanie M Hauck, Michael J Atkinson, Soile Tapio, Simone Moertl
PURPOSE: Multiple cell types secrete exosome-like extracellular vesicles (ELVs) to the extracellular environment. Pathological conditions can produce characteristic changes to the vesicle cargo. We investigated if ionizing radiation is capable of inducing changes in the protein and microRNA (miRNA) cargo of ELVs. MATERIALS AND METHODS: Whole blood samples from healthy donors were irradiated with 2 Gy gamma rays and then peripheral blood mononuclear cells and plasma were separated from residual blood and co-cultivated for 24 h...
March 7, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28235791/high-throughput-screening-identifies-micrornas-that-target-nox2-and-improve-function-following-acute-myocardial-infarction
#4
Junyu Yang, Milton E Brown, Hanshuo Zhang, Mario Martinez, Zhihua Zhao, Srishti Bhutani, Shenyi Yin, David Trac, Jianzhong Jeff Xi, Michael E Davis
AIMS: Myocardial infarction (MI) is the most common cause of heart failure. Excessive production of reactive oxygen species plays a key role in the pathogenesis of cardiac remodeling after MI. NADPH with Nox2 as the catalytic subunit is a major source of superoxide production and expression is significantly increased in the infarcted myocardium, especially by infiltrating macrophages. While microRNAs (miRNAs) are potent regulators of gene expression, and play an important role in heart disease, there still lacks efficient ways to identify miRNAs that target important pathological genes for treating MI...
February 24, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28230291/therapeutic-potentials-of-bdnf-trkb-in-breast-cancer-current-status-and-perspectives
#5
Amir Tajbakhsh, Amin Mokhtari-Zaer, Mehdi Rezaee, Fahimeh Afzaljavan, Mehdi Rivandi, Seyed Mahdi Hassanian, Gordon A Ferns, Alireza Pasdar, Amir Avan
Brain-derived neurotrophic factor (BDNF) is a potent neurotrophic factor that has been shown to stimulate breast cancer cell growth and metastasis via tyrosine kinase receptors TrkA, TrkB and the p75(NTR) death receptor. The aberrant activation of BDNF/TrkB pathways can modulate several signaling pathways, including Akt/PI3K, Jak/STAT, NF-kB, UPAR/UPA, Wnt/β-catenin and VEGF pathways as well as the ER receptor. Several microRNAs have been identified that are involved in the modulation of BDNF/TrkB pathways...
February 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28199974/mir-204-down-regulation-elicited-perturbation-of-a-gene-target-signature-common-to-human-cholangiocarcinoma-and-gastric-cancer
#6
Valeria Canu, Andrea Sacconi, Laura Lorenzon, Francesca Biagioni, Federica Lo Sardo, Maria Grazia Diodoro, Paola Muti, Alfredo Garofalo, Sabrina Strano, Antonietta D'Errico, Gian Luca Grazi, Mario Cioce, Giovanni Blandino
BACKGROUND & AIMS: There is high need of novel diagnostic and prognostic tools for tumors of the digestive system, such as gastric cancer and cholangiocarcinoma. We recently found that miR-204 was deeply downregulated in gastric cancer tissues. Here we investigated whether this was common to other tumors of the digestive system and whether this elicited a miR-204-dependent gene target signature, diagnostically and therapeutically relevant. Finally, we assessed the contribution of the identified target genes to the cell cycle progression and clonogenicity of gastric cancer and cholangiocarcinoma cell lines...
February 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28181559/sirtuin1-protects-endothelial-caveolin-1-expression-and-preserves-endothelial-function-via-suppressing-mir-204-and-endoplasmic-reticulum-stress
#7
M Kassan, A Vikram, Y R Kim, Q Li, A Kassan, H H Patel, S Kumar, M Gabani, J Liu, J S Jacobs, K Irani
Sirtuin1 (Sirt1) is a class III histone deacetylase that regulates a variety of physiological processes, including endothelial function. Caveolin1 (Cav1) is also an important determinant of endothelial function. We asked if Sirt1 governs endothelial Cav1 and endothelial function by regulating miR-204 expression and endoplasmic reticulum (ER) stress. Knockdown of Sirt1 in endothelial cells, and in vivo deletion of endothelial Sirt1, induced endothelial ER stress and miR-204 expression, reduced Cav1, and impaired endothelium-dependent vasorelaxation...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28161213/new-perspective-of-host-micrornas-in-the-control-of-prrsv-infection
#8
REVIEW
Fang Liu, Yinping Du, Wen-Hai Feng
Porcine reproductive and respiratory syndrome (PRRS) is one of the most important diseases in pigs, leading to significant economic losses in swine industry worldwide. PRRS virus (PRRSV) is an enveloped positive single-stranded RNA virus, which mainly infects cells of monocyte/macrophage lineage. MicroRNAs (miRNAs) are small non-coding RNAs and have emerged as important regulators of virus-host cell interactions. In the past several years, scientists have been trying to understand the interaction between host miRNAs and PRRSV infection...
January 9, 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28133610/histological-and-pathological-assessment-of-mir-204-and-sox4-levels-in-gastric-cancer-patients
#9
Xiao Yuan, Shuanhu Wang, Mulin Liu, Zhen Lu, Yanqing Zhan, Wenbin Wang, A-Man Xu
Gastric cancer is one of the most common cancers and the efficient therapeutic methods are limited. Further study of the exact molecular mechanism of gastric cancer to develop novel targeted therapies is necessary and urgent. We herein systematically examined that miR-204 suppressed both proliferation and metastasis of gastric cancer AGS cells. miR-204 directly targeted SOX4. In clinical tissue research, we determined that miR-204 was expressed much lower and SOX4 expressed much higher in gastric cancer tissues compared with normal gastric tissues...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28129244/aberrant-microrna-expression-in-patients-with-endometrial-cancer
#10
Martina Montagnana, Marco Benati, Elisa Danese, Silvia Giudici, Melissa Perfranceschi, Orazio Ruzzenenete, Gian Luca Salvagno, Antonella Bassi, Matteo Gelati, Elisa Paviati, Gian Cesare Guidi, Massimo Franchi, Giuseppe Lippi
OBJECTIVE: Current evidence suggests that no single serum biomarker displays satisfactory diagnostic performance in patients with endometrial carcinoma (EC), the most frequent gynecological cancer in developed countries. However, aberrant tissue microRNA (miRNA) expression has been recently described in EC. Therefore, this study aimed to investigate the differential expression of 4 serum miRNAs and their association with CA125 (cancer antigen 125) and HE4 (human epididymis protein 4) in EC patients and in a control population...
March 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28061388/ancestral-benzo-a-pyrene-exposure-affects-bone-integrity-in-f3-adult-fish-oryzias-latipes
#11
Frauke Seemann, Chang-Bum Jeong, Ge Zhang, Miles Teng Wan, Baosheng Guo, Drew Ryan Peterson, Jae-Seong Lee, Doris Wai-Ting Au
Benzo[a]pyrene (BaP) at an environmentally relevant concentration (1μg/L) has previously been shown to affect bone development in a transgenerational manner in F3 medaka (Oryzias latipes) larvae (17dph). Here, we provide novel histomorphometric data demonstrating that the impaired bone formation at an early life stage is not recoverable and can result in a persistent transgenerational impairment of bone metabolism in F3 adult fish. A decrease in bone thickness and the occurrence of microcracks in ancestrally BaP-treated adult male fish (F3) were revealed by MicroCt measurement and histopathological analysis...
February 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28059437/long-non-coding-rna-malat1-interacted-with-mir-204-to-modulates-human-hilar-cholangiocarcinoma-proliferation-migration-and-invasion-by-targeting-cxcr4
#12
Xinyu Tan, Zhiguo Huang, Xiaogang Li
Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is involved in the development and progression of many types of tumors. An aberrant expression of MALAT1 was observed in many kinds of cancers. However, the exact effects and molecular mechanisms of MALAT1 in human hilar cholangiocarcinoma (HCCA) progression are still unknown. Here, we investigated the role of MALAT1 in human HCCA cell lines and clinical tumor samples in order to determine the function of this lncRNA. In our research, lncRNA-MALAT1 was specifically upregulated in HCCA tissues and cell lines, and was associated with pathological T stage, a larger tumor size and perineural invasion...
January 6, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28050800/micro-rna-204-participates-in-tmprss2-erg-regulation-and-androgen-receptor-reprogramming-in-prostate-cancer
#13
Krassimira Todorova, Metodi V Metodiev, Gergana Metodieva, Milcho Mincheff, Nelson Fernández, Soren Hayrabedyan
Cancer progression is driven by genome instability incurred rearrangements such as transmembrane protease, serine 2 (TMPRSS2)/v-ets erythroblastosis virus E26 oncogene (ERG) that could possibly turn some of the tumor suppressor micro-RNAs into pro-oncogenic ones. Previously, we found dualistic miR-204 effects, acting either as a tumor suppressor or as an oncomiR in ERG fusion-dependent manner. Here, we provided further evidence for an important role of miR-204 for TMPRSS2/ERG and androgen receptor (AR) signaling modulation and fine tuning that prevents TMPRSS2/ERG overexpression in prostate cancer...
January 3, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/27999816/evidence-for-altered-canonical-wnt-signaling-in-the-trabecular-bone-of-elderly-postmenopausal-women-with-fragility-femoral-fracture
#14
Simona Bolamperti, Isabella Villa, Alice Spinello, Greta Manfredini, Emanuela Mrak, Umberto Mezzadri, Marco Ometti, Gianfranco Fraschini, Francesca Guidobono, Alessandro Rubinacci
Wnt signaling, a major regulator of bone formation and homeostasis, might be involved in the bone loss of osteoporotic patients and the consequent impaired response to fracture. Therefore we analyzed Wnt-related, osteogenic, and adipogenic genes in bone tissue of elderly postmenopausal women undergoing hip replacement for either femoral fracture or osteoarthritis. Bone specimens derived from the intertrochanteric region of the femurs of 25 women with fracture (F) and 29 with osteoarthritis without fracture (OA) were analyzed...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27959449/mir-204-regulates-epithelial-mesenchymal-transition-by-targeting-sp1-in-the-tubular-epithelial-cells-after-acute-kidney-injury-induced-by-ischemia-reperfusion
#15
Shun-Jie Chen, Ping Wu, Li-Jing Sun, Bo Zhou, Wei Niu, Shuang Liu, Fu-Jun Lin, Geng-Ru Jiang
Acute kidney injury (AKI) is a disease where kidney function is lost almost instantaneously; it can develop very rapidly over few hours to maximum of few days. Despite the advent of technology, the clinical management against this disease is very poor, and most of the time it is life-threatening. AKI has been actively regulated by extracellular matrix proteins (ECM), however, its underlying mechanism of regulation during AKI progression is very poorly understood. In this study, we explored the integrated network of mRNA and microRNAs (miRNAs) that maintains the progression of ECM after induction of AKI by lethal ischemia...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/27907930/microrna-profiling-in-clear-cell-renal-cell-carcinoma-tissues-potentially-links-tumorigenesis-and-recurrence-with-obesity
#16
X Shu, M A Hildebrandt, J Gu, N M Tannir, S F Matin, J A Karam, C G Wood, X Wu
BACKGROUND: Twenty to 40% localised RCC patients may experience recurrence after curative surgery. Limited miRNA predictors have been identified for ccRCC recurrence. METHODS: Through a multi-phase study design, we analysed miRNAs in tissues obtained from 203 ccRCC patients. Paired t-test was used for tumour-normal comparisons and Cox regression model was performed to compute hazard ratios (HRs) and corresponding 95% CIs. RESULTS: A 17-miRNA signature was identified that can concordantly classify >95% of tumour/adjacent normal samples...
January 3, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/27807800/establishment-of-a-mirna-mrna-regulatory-network-in-metastatic-renal-cell-carcinoma-and-screening-of-potential-therapeutic-targets
#17
Jie Zhu, Xin Ma, Yu Zhang, Dong Ni, Qing Ai, Hongzhao Li, Xu Zhang
This study aimed to screen effective diagnosis or treatment biomarkers for renal cell carcinoma, especially for metastatic renal cell carcinoma (mRCC) based on microRNA (miRNA) and messenger RNA (mRNA) genechip, and their regulatory network. The differential expressions of miRNAs and mRNAs were examined by miRNA and mRNA gene-chip analyses, respectively, in patients with either localized renal cell carcinoma (lRCC) or mRCC, and a miRNA-mRNA regulatory network was established. Subsequently, the regulation of selected mRNAs by miRNAs was validated by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and dual-luciferase reporter gene assay...
November 2, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27789576/the-role-and-regulation-of-rab40b-tks5-complex-during-invadopodia-formation-and-cancer-cell-invasion
#18
Abitha Jacob, Erik Linklater, Brian A Bayless, Traci Lyons, Rytis Prekeris
Invadopodia formation and extracellular matrix degradation are key events during cancer cell invasion, yet little is known about mechanisms mediating these processes. Here, we report that Rab40b plays a key role in mediating invadopodia function during breast cancer cell invasion. We also identify Tks5 (also known as SH3PXD2A), a known Src kinase substrate, as a new Rab40b effector protein and show that Tks5 functions as a tether that mediates Rab40b-dependent targeting of transport vesicles containing MMP2 and MMP9 to the extending invadopodia...
December 1, 2016: Journal of Cell Science
https://www.readbyqxmd.com/read/27753902/os-02-02-microrna-204-and-sirtuin1-regulate-vascular-endoplasmic-reticulum-stress-and-endothelium-dependent-vasorelaxation
#19
Modar Kassan, Ajit Vikram, Qiuxia Li, Young-Rae Kim, Santosh Kumar, Julia Jacob, Irani Kaikobad
OBJECTIVE: Endoplasmic reticulum (ER) stress leads to vascular endothelial dysfunction in hypertension. The role of microRNAs in vascular ER stress is not fully understood. Here we examined the role of vascular microRNA-204 (miR-204) in inducing endothelial ER stress and dysfunction by governing the expression of the SIRTUIN1 (SIRT1) lysine deacetylase. DESIGN AND METHOD: Human Umbilical Vein cells (HUVECs) were treated with tunicamycin or transfected with miR-204 Mimic or siRNA SIRT1...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27748572/mir-204-5p-targeting-sirt1-regulates-hepatocellular-carcinoma-progression
#20
Guangbin Jiang, Li Wen, Hongmei Zheng, Zhiyuan Jian, Weiping Deng
Hepatocellular carcinoma (HCC) is the most common type of cancer, which presents rapid tumor growth, drug resistance, and metastasis. Recently, microRNAs are shown to be involved in the cell biological processes in HCC, but the underlying molecular mechanisms remain unclear. This study aimed to investigate the cellular function and molecular mechanism of miR-204-5p in HCC. SIRT1 mRNA and miR-204-5p were examined by real-time reverse transcription polymerase chain reaction. SIRT1 protein levels were measured by Western blotting...
October 2016: Cell Biochemistry and Function
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