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https://www.readbyqxmd.com/read/28641763/retraction-notice-to-downregulation-of-mir-204-expression-correlates-with-poor-clinical-outcome-of-glioma-patients-hum-pathol-2017-63-46-52
#1
Zhen-Nan Ye, Jing-Peng Liu, Ling-Yun Wu, Xiang-Sheng Zhang, Zong Zhuang, Qiang Chen, Yue Lu, Ce-Gang Liu, Zi-Huan Zhang, Hua-Sheng Zhang, Wen-Zhong Hou, Chun-Hua Hang
No abstract text is available yet for this article.
May 2017: Human Pathology
https://www.readbyqxmd.com/read/28632727/post-translational-regulation-contributes-to-the-loss-of-lkb1-expression-through-sirt1-deacetylase-in-osteosarcomas
#2
Nadège Presneau, Laure Alice Duhamel, Hongtao Ye, Roberto Tirabosco, Adrienne M Flanagan, Malihe Eskandarpour
BACKGROUND: The most prevalent form of bone cancer is osteosarcoma (OS), which is associated with poor prognosis in case of metastases formation. Mice harbouring liver kinase B1 (LKB1(+/-)) develop osteoblastoma-like tumours. Therefore, we asked whether loss of LKB1 gene has a role in the pathogenesis of human OS. METHODS: Osteosarcomas (n=259) were screened for LKB1 and sirtuin 1 (SIRT1) protein expression using immunohistochemistry and western blot. Those cases were also screened for LKB1 genetic alterations by next-generation sequencing, Sanger sequencing, restriction fragment length polymorphism and fluorescence in situ hybridisation approaches...
June 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28621736/a-panel-of-micrornas-as-diagnostic-biomarkers-for-the-identification-of-prostate-cancer
#3
Rhonda Daniel, Qianni Wu, Vernell Williams, Gene Clark, Georgi Guruli, Zendra Zehner
Prostate cancer is the most common non-cutaneous cancer among men; yet, current diagnostic methods are insufficient, and more reliable diagnostic markers need to be developed. One answer that can bridge this gap may lie in microRNAs. These small RNA molecules impact protein expression at the translational level, regulating important cellular pathways, the dysregulation of which can exert tumorigenic effects contributing to cancer. In this study, high throughput sequencing of small RNAs extracted from blood from 28 prostate cancer patients at initial stages of diagnosis and prior to treatment was used to identify microRNAs that could be utilized as diagnostic biomarkers for prostate cancer compared to 12 healthy controls...
June 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28580305/expression-of-hsa-mir-204-runx2-ppar%C3%AE-and-bcl2-in-bone-marrow-derived-mesenchymal-stem-cells-from-multiple-myeloma-patients-and-normal-individuals
#4
Raziyeh Mansurabadi, Saeid Abroun, Abass Hajifathali, Amir Asri, Amir Atashi, Mansoureh Haghighi
OBJECTIVE: Multiple Myeloma (MM) is a heterogeneous cytogenetic disorder in which clonal plasma cells proliferate in the bone marrow (BM) and cause bone destruction. The BM microenvironment plays a crucial role in pathogenesis of this disease, and mesenchymal stem cells (MSCs) are one of the key players. Herein, we propose to investigate the expressions of hsa-MIR-204, runt-related transcription factor 2 (RUNX2), peroxisome proliferator-activated receptor gamma (PPARγ), and B-cell lymphoma 2 (BCL2) as factors involved in osteogenesis, adipogenesis, and MSC survival in BM-MSCs from MM patients and normal individuals...
2017: Cell Journal
https://www.readbyqxmd.com/read/28574187/menopause-transition-promotes-distinct-modulation-of-mrnas-and-mirnas-expression-in-calvaria-and-bone-marrow-osteoblastic-cells
#5
Mayara Sgarbi Semeghini, Fernanda Grilo de Azevedo, Roger Rodrigo Fernandes, Amanda Freire Assis, Janaína Andrea Dernowsek, Adalberto Luiz Rosa, Selma Siéssere, Geraldo Aleixo Passos, Karina Fittipaldi Bombonato-Prado
Investigation on functional genome research may contribute to the knowledge of functional roles of different mRNAs and miRNAs in bone cells of osteoporotic animals. Currently, few studies indicate the changes in gene modulation that osteoporosis causes in osteoblastic cells from different sites. Thus, the purpose of this investigation was to evaluate cell viability, alkaline phosphatase activity and modulation of mRNAs/miRNAs in osteoblastic cells from calvaria and bone marrow by means of microarray technology...
June 2, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28565757/an-exploratory-study-into-the-role-of-mir-204-5p-in-pregnancy-induced-hypertension
#6
Zhixiong Mei, Baoqin Huang, Ying Mo, Jianhui Fan
The molecular mechanism that leads to pregnancy-induced hypertension (PIH), a pregnancy-specific syndrome, remains poorly understood. It has been suggested that microRNAs (miRNAs) may be potentially useful biomarkers for severe preeclampsia (PE), which is an important condition associated with PIH. The aim of the present study was to identify miR-204 by verifying differentially expressed serum miRNAs in patients with PIH during pregnancy compared with normal controls. Subsequently, the effects of miR-204 on proliferation and apoptosis of human choriocarcinoma (JAR) cells in hypoxic microenvironment were investigated...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28546810/a-downmodulated-microrna-profiling-in-patients-with-gastric-cancer
#7
Tao Zhang, Chang Liu, Shi Huang, Yuanping Ma, Jiansong Fang, Yuanneng Chen
Objective. Here, we aim to investigate the microRNA (miR) profiling in human gastric cancer (GC). Methods. Tumoral and matched peritumoral gastric specimens were collected from 12 GC patients who underwent routine surgery. A high-throughput miR sequencing method was applied to detect the aberrantly expressed miRs in a subset of 6 paired samples. The stem-loop quantitative real-time polymerase chain reaction (qRT-PCR) assay was subsequently performed to confirm the sequencing results in the remaining 6 paired samples...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28534958/mir-204-regulates-the-biological-behavior-of-breast-cancer-mcf-7-cells-by-directly-targeting-foxa1
#8
Si-Qiao Shen, Lan-Shan Huang, Xiao-Ling Xiao, Xiao-Fei Zhu, Dan-Dan Xiong, Xue-Mei Cao, Kang-Lai Wei, Gang Chen, Zhen-Bo Feng
MicroRNAs (miRNAs) are short, non-protein-coding RNAs and transcripts that are 18-24 nt in length. miR-204 was first identified as an anti-oncogene and is reported to be downregulated in non-small cell lung cancer, glioma, gastric and thyroid cancer. Recent studies have proposed that a low level of miR-204 expression is associated with tumor progression and disease outcome in breast cancer. Forkhead box A1 (FOXA1), a transcription factor, plays a crucial role in breast cancer and has been predicted as a target of miR-204...
May 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28522163/lncrna-malat1-sponges-mir-204-to-promote-osteoblast-differentiation-of-human-aortic-valve-interstitial-cells-through-up-regulating-smad4
#9
Xiaoxiong Xiao, Tingwen Zhou, Shichao Guo, Chao Guo, Qiao Zhang, Nianguo Dong, Yongjun Wang
BACKGROUND: Emerging evidences have indicated that long non-coding RNAs (lncRNAs) play vital roles in cardiovascular physiology and pathology. The lncRNA MALAT1, a highly abundant and conserved imprinted gene, has been implicated in many cardiovascular diseases. However, the function of MALAT1 in calcific aortic valve disease (CAVD) remains unknown. This study sought to document the function and underlying mechanism of MALAT1 in regulating CAVD. METHODS: Protein level was determined by immunoblotting and immunofluorescence staining...
May 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28521482/microrna-204-suppressed-proliferation-and-motility-capacity-of-human-hepatocellular-carcinoma-via-directly-targeting-zinc-finger-e-box-binding-homeobox-2
#10
Bin Hu, Ming Sun, Jiajun Liu, Guolin Hong, Qin Lin
Abnormal expression levels of microRNA-204 (miR-204) have been identified in various types of human cancer. However, the expression and functions of miR-204, and the underlying molecular mechanism involved in the initiation and progression of hepatocellular carcinoma (HCC), require further investigation. The results of the present study demonstrated that miR-204 is downregulated in HCC tissues and cell lines. Notably, zinc finger E-box binding homeobox 2 (ZEB2) was identified as a direct target of miR-204 in HCC...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28473439/implication-of-inflammation-and-epigenetic-readers-in-coronary-artery-remodeling-in-patients-with-pulmonary-arterial-hypertension
#11
Jolyane Meloche, Marie-Claude Lampron, Valérie Nadeau, Mélanie Maltais, François Potus, Caroline Lambert, Eve Tremblay, Géraldine Vitry, Sandra Breuils-Bonnet, Olivier Boucherat, Eric Charbonneau, Steeve Provencher, Roxane Paulin, Sébastien Bonnet
OBJECTIVE: Pulmonary arterial hypertension (PAH) is a vascular disease not restricted to the lungs. Many signaling pathways described in PAH are also of importance in other vascular remodeling diseases, such as coronary artery disease (CAD). Intriguingly, CAD is 4× more prevalent in PAH compared with the global population, suggesting a link between these 2 diseases. Both PAH and CAD are associated with sustained inflammation and smooth muscle cell proliferation/apoptosis imbalance and we demonstrated in PAH that this phenotype is, in part, because of the miR-223/DNA damage/Poly[ADP-ribose] polymerase 1/miR-204 axis activation and subsequent bromodomain-containing protein 4 (BRD4) overexpression...
May 4, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28469392/mir-10a-and-mir-204-as-a-potential-prognostic-indicator-in-low-grade-gliomas
#12
Ju Cheol Son, Hyoung Oh Jeong, Deaui Park, Sang Gyoon No, Eun Kyeong Lee, Jaewon Lee, Hae Young Chung
This study aimed to identify and characterize microRNAs (miRNAs) that are related to radiosensitivity in low-grade gliomas (LGGs). The miRNA expression levels in radiosensitive and radioresistant LGGs were compared using The Cancer Genome Atlas database, and differentially expressed miRNAs were identified using the EBSeq package. The miRNA target genes were predicted using Web databases. Fifteen miRNAs were differentially expressed between the groups, with miR-10a and miR-204 being related to overall survival (OS) of patients with LGG...
2017: Cancer Informatics
https://www.readbyqxmd.com/read/28456786/apoptosis-related-microrna-145-5p-enhances-the-effects-of-pheophorbide-a-based-photodynamic-therapy-in-oral-cancer
#13
Sook Moon, Do Kyeong Kim, Jin Kim
MicroRNAs (miRNAs) regulate key biological processes, and their aberrant expression has been related to cancer development. Photodynamic therapy (PDT) has emerged as one of the most promising modalities for cancer treatment. However, the application of PDT has been limited to superficially localized human cancerous and precancerous lesions. To increase the usefulness of both PDT and miRNAs in cancer therapy, this study investigated whether apoptosis-related miRNA expression is influenced by PDT in oral cancer and whether miRNAs can enhance PDT efficacy...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445987/context-dependent-mir-204-and-mir-211-affect-the-biological-properties-of-amelanotic-and-melanotic-melanoma-cells
#14
Marianna Vitiello, Andrea Tuccoli, Romina D'Aurizio, Samanta Sarti, Laura Giannecchini, Simone Lubrano, Andrea Marranci, Monica Evangelista, Silvia Peppicelli, Chiara Ippolito, Ivana Barravecchia, Elena Guzzolino, Valentina Montagnani, Michael Gowen, Elisa Mercoledi, Alberto Mercatanti, Laura Comelli, Salvatore Gurrieri, Lawrence W Wu, Omotayo Ope, Keith Flaherty, Genevieve M Boland, Marc R Hammond, Lawrence Kwong, Mario Chiariello, Barbara Stecca, Gao Zhang, Alessandra Salvetti, Debora Angeloni, Letizia Pitto, Lido Calorini, Giovanna Chiorino, Marco Pellegrini, Meenhard Herlyn, Iman Osman, Laura Poliseno
Despite increasing amounts of experimental evidence depicting the involvement of non-coding RNAs in cancer, the study of BRAFV600E-regulated genes has thus far focused mainly on protein-coding ones. Here, we identify and study the microRNAs that BRAFV600E regulates through the ERK pathway.By performing small RNA sequencing on A375 melanoma cells and a vemurafenib-resistant clone that was taken as negative control, we discover miR-204 and miR-211 as the miRNAs most induced by vemurafenib. We also demonstrate that, although belonging to the same family, these two miRNAs have distinctive features...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28438736/altered-microrna-expression-is-responsible-for-the-pro-osteogenic-phenotype-of-interstitial-cells-in-calcified-human-aortic-valves
#15
Rui Song, David A Fullerton, Lihua Ao, Ke-Seng Zhao, T Brett Reece, Joseph C Cleveland, Xianzhong Meng
BACKGROUND: The transition of aortic valve interstitial cells (AVICs) to myofibroblastic and osteoblast-like phenotypes plays a critical role in calcific aortic valve disease progression. Several microRNAs (miRs) are implicated in stem cell differentiation into osteoblast. We hypothesized that an epigenetic mechanism regulates valvular pro-osteogenic activity. This study examined miR profile in AVICs of calcified valves and identified miRs responsible for AVIC phenotypic transition. METHODS AND RESULTS: AVICs were isolated from normal and diseased valves...
April 24, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28435518/sparc-overexpression-alters-microrna-expression-profiles-involved-in-tumor-progression
#16
Bhavesh K Ahir, Nasya M Elias, Sajani S Lakka
Medulloblastoma is the most common malignant brain tumor in children. SPARC (secreted protein acidic and rich in cysteine), a multicellular non-structural glycoprotein is known to be involved in multiple processes in various cancers. Previously, we reported that SPARC expression significantly impairs medulloblastoma tumor growth in vitro and in vivo and also alters chemo sensitivity. MicroRNAs are a class of post-transcriptional gene regulators with critical functions in tumor progression. In addition, microRNA (miRNA) expression changes are also involved in chemo-resistance...
January 2017: Genes & Cancer
https://www.readbyqxmd.com/read/28431866/circulating-micrornas-signature-correlates-with-positive-18-f-fluorodeoxyglucose-positron-emission-tomography-in-patients-with-abdominal-aortic-aneurysm
#17
Audrey Courtois, Betty Nusgens, Nancy Garbacki, Roland Hustinx, Pierre Gomez, Jean-Olivier Defraigne, Alain C Colige, Natzi Sakalihasan
BACKGROUND: Prediction of abdominal aortic aneurysm (AAA) rupture is a challenging issue. Small noncoding microRNAs (miRNAs) are potent regulators of gene expression and are considered as valuable circulating biomarkers. Recently, [(18)F]fluorodeoxyglucose (FDG) uptake detected by positron emission tomography (PET) in AAA was correlated with cellular and molecular alterations involved in wall instability and its potential rupture. Our study aimed at identifying circulating miRNAs correlated with a positive PET that could help discriminate patients at high risk of rupture...
April 18, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28394317/corrigendum-sirtuin1-protects-endothelial-caveolin-1-expression-and-preserves-endothelial-function-via-suppressing-mir-204-and-endoplasmic-reticulum-stress
#18
Modar Kassan, Ajit Vikram, Young-Rae Kim, Qiuxia Li, Adam Kassan, Hemal H Patel, Santosh Kumar, Mohanad Gabani, Jing Liu, Julia S Jacobs, Kaikobad Irani
No abstract text is available yet for this article.
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28393181/microrna-based-molecular-classification-of-papillary-thyroid-carcinoma
#19
Francesca Rosignolo, Lorenzo Memeo, Fabio Monzani, Cristina Colarossi, Valeria Pecce, Antonella Verrienti, Cosimo Durante, Giorgio Grani, Livia Lamartina, Stefano Forte, Daniela Martinetti, Dario Giuffrida, Diego Russo, Fulvio Basolo, Sebastiano Filetti, Marialuisa Sponziello
MicroRNA (miRNA) expression is dysregulated in many human malignancies, and a growing number of studies are focused on their potential use as tumor biomarkers. To identify a miRNA signature for papillary thyroid carcinomas (PTC), we investigated miRNA expression profiles in two independent cohorts of PTCs, which included major histological subtypes [classical-type (PTC‑CT), follicular-variant (PTC‑FV), and tall-cell variant (PTC‑TCV)] and cases with low or intermediate risk of recurrence. Using TaqMan® Array Human MicroRNA A+B Cards v3...
May 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28393025/expression-of-lens-related-micrornas-in-transparent-infant-lenses-and-congenital-cataract
#20
Chang-Rui Wu, Min Ye, Li Qin, Yue Yin, Cheng Pei
AIM: To identify the expression of lens-related microRNAs (miRNAs) in the central epithelium of transparent infant lenses and congenital cataract. METHODS: Lens-related miRNAs were retrieved from PubMed database. The expression levels of these miRNAs in transparent infant lenses and congenital cataract were determined by stem-loop reverse transcription-polymerase chain reaction (RT-PCR). miRanda algorithm was used to predict the target genes of these differentially expressed miRNAs...
2017: International Journal of Ophthalmology
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