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https://www.readbyqxmd.com/read/29137379/diagnostic-potential-of-serum-exosomal-colorectal-neoplasia-differentially-expressed-long-non-coding-rna-crnde-p-and-microrna-217-expression-in-colorectal-carcinoma
#1
Bo Yu, Qiong Du, Huan Li, Hong-Yue Liu, Xuan Ye, Bin Zhu, Qing Zhai, Xin-Xiang Li
In this study, we investigated the diagnostic potential of serum exosomal colorectal neoplasia differentially expressed (CRNDE-p) long coding RNA and microRNA-217 in colorectal carcinoma (CRC). We detected high CRNDE-p and low miR-217 levels in exosomes released by multiple CRC cell lines into culture media as well as in sera from CRC xenograft mice and CRC patients. Conversely, we observed lower CRNDE-p and higher miR-217 levels in serum exosomes from post-chemotherapy than from pre-chemotherapy patient samples...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29068474/the-pi3k-akt-signaling-pathway-associations-of-mirnas-with-dysregulated-gene-expression-in-colorectal-cancer
#2
Martha L Slattery, Lila E Mullany, Lori C Sakoda, Roger K Wolff, John R Stevens, Wade S Samowitz, Jennifer S Herrick
The PI3K/AKT-signaling pathway is one of the most frequently activated signal-transduction pathways in cancer. We examined how dysregulated gene expression is associated with miRNA expression in this pathway in colorectal cancer (CRC). We used data from 217 CRC cases to evaluate differential pathway gene expression between paired carcinoma and normal mucosa and identify miRNAs that are associated with these genes. Gene expression data from RNA-Seq and miRNA expression data from Agilent Human miRNA Microarray V19...
October 25, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29047327/integrative-testis-transcriptome-analysis-reveals-differentially-expressed-mirnas-and-their-mrna-targets-during-early-puberty-in-atlantic-salmon
#3
K O Skaftnesmo, R B Edvardsen, T Furmanek, D Crespo, E Andersson, L Kleppe, G L Taranger, J Bogerd, R W Schulz, A Wargelius
BACKGROUND: Our understanding of the molecular mechanisms implementing pubertal maturation of the testis in vertebrates is incomplete. This topic is relevant in Atlantic salmon aquaculture, since precocious male puberty negatively impacts animal welfare and growth. We hypothesize that certain miRNAs modulate mRNAs relevant for the initiation of puberty. To explore which miRNAs regulate mRNAs during initiation of puberty in salmon, we performed an integrated transcriptome analysis (miRNA and mRNA-seq) of salmon testis at three stages of development: an immature, long-term quiescent stage, a prepubertal stage just before, and a pubertal stage just after the onset of single cell proliferation activity in the testis...
October 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29039566/microrna-217-inhibits-cell-proliferation-invasion-and-migration-by-targeting-tpd52l2-in-human-pancreatic-adenocarcinoma
#4
Qiuyang Chen, Peng Wang, Yue Fu, Xinchun Liu, Wenbin Xu, Jishu Wei, Wentao Gao, Kuirong Jiang, Junli Wu, Yi Miao
MicroRNAs (miRNAs) play important roles in the regulation of various tumor biological processes including proliferation and apoptosis. miR-217 has been implicated in many types of cancer, whereas its expression and potential biological function in human pancreatic adenocarcinoma (HPAC) remain unclear. We aimed to investigate the clinical significance of miR-217 in patients with pancreatic carcinoma and its role and underlying molecular mechanism in HPAC. We collected 15 pairs of pancreatic cancer and normal pancreas tissues to evaluate the expression of miR-217 and tumor protein D52-like 2 (Tpd52l2)...
October 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29036495/the-p16-mir-217-egr1-pathway-modulates-age-related-tenogenic-differentiation-in-tendon-stem-progenitor-cells
#5
Weifeng Han, Bing Wang, Junpeng Liu, Lei Chen
Previous studies have shown that the differentiation potential declines with the age of progenitor cells and is linked to altered levels of senescence markers. The purpose of this study was to test whether senescence marker p16 affects age-related tenogenic differentiation in tendon stem/progenitor cells (TSPCs). Young and aged TSPCs were isolated from young/healthy and aged/degenerated human Achilles tendons, respectively. Cellular aging and capacity for tenogenic differentiation were examined. The results showed that the tenogenic differentiation capacity of TSPCs significantly decreases with advancing age...
November 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29028097/microrna-217-functions-as-a-prognosis-predictor-and-inhibits-pancreatic-cancer-cell-proliferation-and-invasion-via-targeting-e2f3
#6
J Yang, H-F Zhang, C-F Qin
OBJECTIVE: Pancreatic cancer (PC) is the most malignant tumor among all the tumors in the digestive system. MiR-217 has been reported to take a critical part in various malignant tumors. The aim of this study was to explore the function of MiR-217 in pancreatic cancer and its target genes. PATIENTS AND METHODS: Twenty pairs of PC tissues and matched normal adjacent pancreatic tissues were collected. The expression of miR-217 in PC tissues and normal pancreatic tissues was detected by Real-time polymerase chain reaction (PCR)...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28977933/mir-217-inhibits-laryngeal-cancer-metastasis-by-repressing-aeg-1-and-pd-l1-expression
#7
Susheng Miao, Xionghui Mao, Shu Zhao, Kaibin Song, Cheng Xiang, Yuanjing Lv, Huanyv Jiang, Lei Wang, Baojun Li, Xianguang Yang, Zhennan Yuan, Cheng Xiu, Hongxue Meng, Ji Sun
High incidences of laryngeal cancer have been reported recently. Increasing our understanding of the molecular mechanisms underlying this malignancy could reveal more effective approaches to treating laryngeal cancer patients and so improve their prognoses. In this study, we explored the biological effects of miR-217 on laryngeal cancer. miR-217 potently inhibited multiple metastatic traits, including cell migration, invasion, proliferation, apoptosis, and EMT, as well as angiogensis. These effects were achieved through downregulation of the miR-217 target gene, AEG-1 and PD-L1...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28962076/mir-217-inhibits-proliferation-migration-and-invasion-via-targeting-akt3-in-thyroid-cancer
#8
Yuanqiang Lin, Kailiang Cheng, Tongtong Wang, Qian Xie, Minglong Chen, Qianqian Chen, Qiang Wen
PURPOSE: The aims of this study were to test the influence of miR-217 on the proliferation, invasion, migration of thyroid cancer and the relevant mechanism. METHOD: miR-217 expression levels in thyroid cancer tissues and cell lines were detected by quantitative real-time PCR (qRT-PCR).Cell Counting Kit-8, flow cytometer, wound healing, transwell invasion assays were applied to evaluate the effect of miR-217 on proliferation, apoptosis, migration and invasion of thyroid cells...
November 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28905214/mir-217-5p-induces-apoptosis-by-directly-targeting-prkci-bag3-itgav-and-mapk1-in-colorectal-cancer-cells
#9
Marion Flum, Michael Kleemann, Helga Schneider, Benjamin Weis, Simon Fischer, René Handrick, Kerstin Otte
Apoptosis is a genetically directed process of programmed cell death. A variety of microRNAs (miRNAs), endogenous single-stranded non-coding RNAs of about 22 nucleotides in length have been shown to be involved in the regulation of the intrinsic or extrinsic apoptotic pathways. There is increasing evidence that the aberrant expression of miRNAs plays a causal role in the development of diseases such as cancer. This makes miRNAs promising candidate molecules as therapeutic targets or agents. MicroRNA (miR)-217-5p has been implicated in carcinogenesis of various cancer entities, including colorectal cancer...
September 14, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28881803/regulation-of-actin-binding-protein-anln-by-antitumor-mir-217-inhibits-cancer-cell-aggressiveness-in-pancreatic-ductal-adenocarcinoma
#10
Tetsuya Idichi, Naohiko Seki, Hiroshi Kurahara, Keiichi Yonemori, Yusaku Osako, Takayuki Arai, Atsushi Okato, Yoshiaki Kita, Takaaki Arigami, Yuko Mataki, Yuko Kijima, Kosei Maemura, Shoji Natsugoe
Analysis of our microRNA (miRNA) expression signature of pancreatic ductal adenocarcinoma (PDAC) revealed that microRNA-217 (miR-217) was significantly reduced in cancer tissues. The aim of this study was to investigate the antitumor roles of miR-217 in PDAC cells and to identify miR-217-mediated molecular pathways involved in PDAC aggressiveness. The expression levels of miR-217 were significantly reduced in PDAC clinical specimens. Ectopic expression of miR-217 significantly suppressed cancer cell migration and invasion...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28840260/mir-217-casein-kinase-2-cross-talk-regulates-erk-activation-in-ganglioglioma
#11
Atreye Majumdar, Fahim Ahmad, Touseef Sheikh, Reshma Bhagat, Pankaj Pathak, Shanker Datt Joshi, Pankaj Seth, Vivek Tandon, Manjari Tripathi, P Saratchandra, Chitra Sarkar, Ellora Sen
Gangliogliomas (GGs) are the most commonly diagnosed long-term epilepsy-associated tumors (LEATs). Although molecular characterizations of brain tumors have identified few novel biomarkers among the LEATs, mechanisms of pathogenesis remain poorly understood. In this study, global microarray-based microRNA (miRNA) expression profile on a set of 9 GGs indicated 66 miRNAs to be differentially expressed in GG as compared to normal brain. The differences validated by qRT-PCR indicated microRNA-217 to be the most downregulated...
November 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28815002/a-comprehensive-method-for-identification-of-suitable-reference-genes-in-extracellular-vesicles
#12
Kenneth Gouin, Kiel Peck, Travis Antes, Jennifer Leigh Johnson, Chang Li, Sharon Denise Vaturi, Ryan Middleton, Geoff de Couto, Ann-Sophie Walravens, Luis Rodriguez-Borlado, Rachel Ruckdeschel Smith, Linda Marbán, Eduardo Marbán, Ahmed Gamal-Eldin Ibrahim
Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) is one of the most sensitive, economical and widely used methods for evaluating gene expression. However, the utility of this method continues to be undermined by a number of challenges including normalization using appropriate reference genes. The need to develop tailored and effective strategies is further underscored by the burgeoning field of extracellular vesicle (EV) biology. EVs contain unique signatures of small RNAs including microRNAs (miRs)...
2017: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/28790336/identifying-the-mirna-signature-associated-with-survival-time-in-patients-with-lung-adenocarcinoma-using-mirna-expression-profiles
#13
Srinivasulu Yerukala Sathipati, Shinn-Ying Ho
Lung adenocarcinoma is a multifactorial disease. MicroRNA (miRNA) expression profiles are extensively used for discovering potential theranostic biomarkers of lung cancer. This work proposes an optimized support vector regression (SVR) method called SVR-LUAD to simultaneously identify a set of miRNAs referred to the miRNA signature for estimating the survival time of lung adenocarcinoma patients using their miRNA expression profiles. SVR-LUAD uses an inheritable bi-objective combinatorial genetic algorithm to identify a small set of informative miRNAs cooperating with SVR by maximizing estimation accuracy...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28753577/diagnostic-potential-of-serum-exosomal-colorectal-neoplasia-differentially-expressed-long-non-coding-rna-crnde-p-and-microrna-217-expression-in-colorectal-carcinoma
#14
Bo Yu, Qiong Du, Huan Li, Hong-Yue Liu, Xuan Ye, Bin Zhu, Qing Zhai, Xin-Xiang Li
In this study, we investigated the diagnostic potential of serum exosomal colorectal neoplasia differentially expressed (CRNDE-p) long coding RNA and microRNA-217 in colorectal carcinoma (CRC). We detected high CRNDE-p and low miR-217 levels in exosomes released by multiple CRC cell lines into culture media as well as in sera from CRC xenograft mice and CRC patients. Conversely, we observed lower CRNDE-p and higher miR-217 levels in serum exosomes from post-chemotherapy than from pre-chemotherapy patient samples...
July 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28747214/culturing-and-transcriptome-profiling-of-progenitor-like-colonies-derived-from-adult-mouse-pancreas
#15
Dongshen Ma, Shanshan Tang, Jing Song, Qiong Wu, Fangfang Zhang, Yun Xing, Yi Pan, Yanfeng Zhang, Jingwei Jiang, Yubin Zhang, Liang Jin
BACKGROUND: Transplantation of insulin-producing cells is considered an important diabetes therapy. Many research studies have shown that insulin-producing cells can be derived from the in-vitro cultured pancreatic colonies with self-renewal ability and multilineage potential. Even though these progenitor-like colonies have been prepared from adult pancreas cells, the efficient culture method is hardly established and regulation of the colonies is rarely known. We confirmed previously that single cells acquired from adult mouse pancreas could form cyst-like colonies in a 3D semi-solid system containing Matrigel and methylcellulose...
July 26, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28733554/mir-217-inhibits-laryngeal-cancer-metastasis-by-repressing-aeg-1-and-pd-l1-expression
#16
Susheng Miao, Xionghui Mao, Shu Zhao, Kaibin Song, Cheng Xiang, Yuanjing Lv, Huanyv Jiang, Lei Wang, Baojun Li, Xianguang Yang, Zhennan Yuan, Cheng Xiu, Hongxue Meng, Ji Sun
High incidences of laryngeal cancer have been reported recently. Increasing our understanding of the molecular mechanisms underlying this malignancy could reveal more effective approaches to treating laryngeal cancer patients and so improve their prognoses. In this study, we explored the biological effects of miR-217 on laryngeal cancer. miR-217 potently inhibited multiple metastatic traits, including cell migration, invasion, proliferation, apoptosis, and EMT, as well as angiogensis. These effects were achieved through downregulation of the miR-217 target gene, AEG-1 and PD-L1...
July 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28701723/the-lncrna-malat1-acts-as-a-competing-endogenous-rna-to-regulate-kras-expression-by-sponging-mir-217-in-pancreatic-ductal-adenocarcinoma
#17
Pingping Liu, Haiyan Yang, Jing Zhang, Xiaozhong Peng, Zhaohui Lu, Weimin Tong, Jie Chen
The long noncoding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript-1 (MALAT1) has been shown to play an important role in tumourigenesis. The aim of this study was to investigate the role of MALAT1 in pancreatic ductal adenocarcinoma. MALAT1 is expressed at higher levels in pancreatic ductal adenocarcinoma (PDAC) tissues than in nontumour tissues and in metastatic PDAC than in localized tumours. Patients with PDAC and high MALAT1 expression levels have shorter overall survival than patients with PDAC and low MALAT1 expression levels...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28653987/the-emerging-role-of-zfp217-in-adipogenesis
#18
Hong Xiang, Zhu-Xia Zhong, Yong-Dong Peng, Si-Wen Jiang
Zinc finger protein 217 (Zfp217), a member of the krüppel-type zinc finger protein family, plays diverse roles in cell differentiation and development of mammals. Despite extensive research on the functions of Zfp217 in cancer, pluripotency and reprogramming, its physiological roles in adipogenesis remain unknown. Our previous RNA sequencing data suggest the involvement of Zfp217 in adipogenesis. In this study, the potential function of Zfp217 in adipogenesis was investigated through bioinformatics analysis and a series of experiments...
June 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28642131/mir-217-suppresses-proliferation-and-promotes-apoptosis-in-cardiac-myxoma-by-targeting-interleukin-6
#19
Jing Zhang, Cui Wang, Huimin Xu
Cardiac myxoma (CM) is a prevalent primary cardiac tumor. miR-217 plays a vital role in tumorigenesis of various cancers, however, its role and underlying molecular mechanism in human CM remain poorly understood. Here, we reported that the expression of miR-217 was downregulated in CM tissues and inversely correlated with the expression of Interleukin-6 (IL-6) mRNA. Gain-of-function analysis indicated that overexpression of miR-217 inhibited the proliferation and promoted the apoptosis of the primary CM cells...
August 26, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28624807/regulation-of-actin-binding-protein-anln-by-antitumor-mir-217-inhibits-cancer-cell-aggressiveness-in-pancreatic-ductal-adenocarcinoma
#20
Tetsuya Idichi, Naohiko Seki, Hiroshi Kurahara, Keiichi Yonemori, Yusaku Osako, Takayuki Arai, Atsushi Okato, Yoshiaki Kita, Takaaki Arigami, Yuko Mataki, Yuko Kijima, Kosei Maemura, Shoji Natsugoe
Analysis of our microRNA (miRNA) expression signature of pancreatic ductal adenocarcinoma (PDAC) revealed that microRNA-217 (miR-217) was significantly reduced in cancer tissues. The aim of this study was to investigate the antitumor roles of miR-217 in PDAC cells and to identify miR-217-mediated molecular pathways involved in PDAC aggressiveness. The expression levels of miR-217 were significantly reduced in PDAC clinical specimens. Ectopic expression of miR-217 significantly suppressed cancer cell migration and invasion...
May 29, 2017: Oncotarget
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