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https://www.readbyqxmd.com/read/28535628/-expression-and-clinical-significance-of-long-non-coding-rna-ccat1-in-gastric-cancer
#1
T Shan, Y G Chen, B Hong, H Zhou, J Z Xia
Objective: To investigate the expression and clinical significance of long non-coding RNA colon cancer associated transcript-1 (CCAT1) in gastric cancer (GC), and to further explore the effect of CCAT1 on cell proliferation of GC. Methods: The mRNA expressions of CCAT1 in GC tissues and matched adjacent normal tissues from 62 patients who received resection for gastric carcinoma between January 2013 and May 2015 in Nanjing Medical University Affiliated Wuxi Second Hospital and expressions in GC cell lines were assessed by quantitative real-time PCR (qRT-PCR)...
May 16, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28535533/malat1-modulates-tgf-%C3%AE-1-induced-endothelial-to-mesenchymal-transition-through-downregulation-of-mir-145
#2
Yin Xiang, Yachen Zhang, Yong Tang, Qianhui Li
BACKGROUND/AIMS: Endothelial-to-mesenchymal transition (EndMT) plays significant roles under various pathological conditions including cardiovascular diseases, fibrosis, and cancer. EndMT of endothelial progenitor cells (EPCs) contributes to neointimal hyperplasia following cell therapy Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is a long non-coding RNA (lncRNA) that promotes metastasis and cancer. MicroRNA-145 (miR-145) is a tumor suppressor that has been reported to inhibit SMAD3-mediated epithelial-to-mesenchymal transition (EMT) of cancer cells...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28535506/long-noncoding-rna-afap1-as1-promoted-tumor-growth-and-invasion-in-cholangiocarcinoma
#3
Xu Lu, Chuang Zhou, Renfeng Li, Yilei Deng, Longshuan Zhao, Wenlong Zhai
BACKGROUND: Long non-coding RNAs (lncRNAs) have been shown to play important roles in a wide range of pathophysiological processes, including cancer progression. Our previous study has shown that AFAP1-AS1 was upregulated and acted as an oncogene in hepatocellular carcinoma. However, the expression and biological functions of lncRNA AFAP1-AS1 in intrahepatic cholangiocarcinoma (CCA) remains largely unknown. METHODS: The expression level of AFAP1-AS1 was measured in 56 pairs of human cholangiocarcinoma tumor tissues and corresponding adjacent normal bile duct tissues...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28535504/long-non-coding-rna-kcnq1ot1-promotes-cataractogenesis-via-mir-214-and-activation-of-the-caspase-1-pathway
#4
Xin Jin, Hao Jin, Yan Shi, Yiyuan Guo, Hong Zhang
BACKGROUND/AIMS: KCNQ1OT1 regulates the expression of tissue-specific imprinted genes within the Kcnq1 domain. Imprinted genes are positive regulators of apoptosis, one of the forms of cell death related to cataract formation, and thus may provide novel therapeutic targets for cataract treatment. Here, we studied the role of non-coding RNAs(ncRNA) in cataract formation. METHODS: Human lens epithelium cells (HLECs) were treated with H2O2, and the expression of KCNQ1OT1 and miR-214 was detected by qRT-PCR...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28535386/sex-differences-satellite-dna-directs-male-specific-gene-expression
#5
Patrick M Ferree
Dosage compensation in some animals involves up-regulation of genes on the male's X chromosome. A study in the fruit fly Drosophila melanogaster shows that satellite DNA, and corresponding small non-coding RNA, helps the dosage compensation machinery preferentially find X sequences.
May 22, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28534994/amplification-and-the-clinical-significance-of-circulating-cell-free-dna-of-pvt1-in-breast-cancer
#6
Xujing Li, Weijuan Chen, Hui Wang, Qun Wei, Xiaodi Ding, Wentong Li
Duplication in the chromosome 8q24 region is a frequent occurrence in carcinomas. The PVT1 oncogene (PVT1), a long non-coding RNA, is found in this locus. PVT1 amplification is a frequent event in cancers, such as in lymphomas, serous ovarian, colorectal and breast cancers. Ectopic PVT1 expression is related with reduced survival duration in cancer patients. in the present study, we proved that PVT1 is markedly augmented in breast cancer tissues compared with adjacent non-tumorous tissues. Thus, PVT1 is an independent prognostic factor for the survival duration of breast cancer patients...
May 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534991/long-non-coding-rna-xloc_006390-promotes-cervical-cancer-proliferation-and-metastasis-through-the-regulation-of-set-domain-containing-8
#7
Xiaotian Luan, Yankui Wang
The long non-coding RNA (lncRNA) XLOC_006390 is increased in various human cancer tissues and it plays important roles in cell growth and migration. However, the role of lncRNA XLOC_006390 in the progression and metastasis of cervical cancer has not been evaluated and remains unclear. In the present study, we hypothesized that lncRNA XLOC_006390 is also increased in cervical cancer, and upregulation of lncRNA XLOC_006390 contributes to cervical cancer metastasis. The expression of lncRNA XLOC_006390 in cervical cancer tissues and cell lines was analyzed using quantitative reverse-transcription-polymerase chain reaction (qRT-PCR)...
May 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534968/functional-significance-of-the-long-non-coding-rna-rp11-169d4-1-as-a-metastasis-suppressor-in-laryngeal-squamous-cell-carcinoma-by-regulating-cdh1
#8
Jing Zhao, Kexing Lv, Zeng-Hong Li, Jianhui Wu, Wei Gao, Thian-Sze Wong, Jie Luo, Hao Qin, Bin Wang, Qingling Fu, Wen-Bin Lei
The present study investigated the expression profile and the function of RP11-169D4.1 and explored its potential mechanisms in laryngeal squamous cell carcinoma. The biological function of RP11-169D4.1 was examined using the MTT assay, flow cytometric analysis, wound healing and transwell assays. The relationship between RP11-169D4.1 and miR-205-5p was discovered by Argonaute 2 protein immunoprecipitation. The target gene of RP11-169D4.1 was CDH1 which was assessed by Pearson's correlation analysis, RT-PCR and western blot assay...
May 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534955/long-non%C3%A2-coding-rna-ab019562-promotes-cell-proliferation-and-metastasis-in-human-hepatocellular-carcinoma
#9
Fan Wu, Jie Li, Xin Du, Weisan Zhang, Ping Lei, Qiang Zhang
Increasing evidence has supported the prognostic and therapeutic values of long non-coding RNAs (LncRNAs) in human tumorigenesis. Hepatocellular carcinoma (HCC), as one of the most refractory diseases, continues to warrant investigation for novel clues to enable early diagnosis. In the present study, the role of LncRNA AB019562 in cell proliferation and metastasis was investigated in HCC. Reverse transcription‑quantitative polymerase chain reaction analysis was performed to determine the expression of AB019562 in clinical HCC samples and cultured HCC cells...
May 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534937/the-inhibitory-effect-of-meg3-mir-214-aifm2-axis-on-the-growth-of-t-cell-lymphoblastic-lymphoma
#10
Fang-Yi Fan, Rui Deng, Hai Yi, Hao-Ping Sun, Yan Zeng, Guang-Cui He, Yi Su
T-cell lymphoblastic lymphoma (T-LBL) is an aggressive malignancy with poor prognosis and high recurrence rate. Long non-coding RNA (lncRNA)-MEG3 is an important tumor suppressor in various cancers. The present study investigated the potential role of maternally expressed gene 3 (MEG3) in the progression of T-LBL. Suppressed expression of MEG3 was detected in T-LBL tissues compared with adjacent histologically normal tissues. Down-regulated level of MEG3 was also found in three T-LBL cell lines (CCRF-CEM, Jurkat and SUP-T1) compared with human T-cell line H9...
May 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28534516/transcriptional-and-posttranscriptional-regulation-of-hoxa13-by-lncrna-hottip-facilitates-tumorigenesis-and-metastasis-in-esophageal-squamous-carcinoma-cells
#11
C Lin, Y Wang, Y Wang, S Zhang, L Yu, C Guo, H Xu
The long non-coding RNA, HOTTIP, has an important role in tumorigenesis. It is known that HOTTIP regulates HOX gene family; however, its regulatory mechanism in esophageal squamous cell carcinoma (ESCC) remains elusive. In this study, we investigated the role of HOTTIP in ESCC and observed that HOTTIP/HOXA13 was upregulated in ESCC and promoted cell proliferation and metastasis in vivo and in vitro. Interestingly, harboring a miR-30b-binding site, HOTTIP as a molecular sponge mainly regulated miR-30b level in the nucleus and modulated the repression of HOXA13 mediated by miR-30b in the cytoplasm, resulting in the positive HOTTIP/HOXA13 correlation...
May 22, 2017: Oncogene
https://www.readbyqxmd.com/read/28534166/in-silico-identification-and-validation-of-potential-micrornas-in-kinnow-mandarin-citrus-reticulata-blanco
#12
Prashant Mohanpuria, Naveen Duhan, Navraj Kaur Sarao, Manvir Kaur, Mandip Kaur
MicroRNAs (miRNAs) are a large family of 19-25 nucleotides, regulatory, non-coding RNA molecules that control gene expression by cleaving or inhibiting the translation of target gene transcripts in animals and plants. Despite the important functions of miRNAs related to regulation of plant growth and development processes, metabolism, and abiotic and biotic stresses, little is known about the disease-related miRNA. Here, we present a new pipeline for miRNA analysis using expressed sequence tags (ESTs)-based bioinformatics approach in Kinnow mandarin, a commercially important citrus fruit crop...
May 22, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/28533479/the-landscape-of-dna-methylation-mediated-regulation-of-long-non-coding-rnas-in-breast-cancer
#13
Chunlong Zhang, Xinyu Wang, Xuecang Li, Ning Zhao, Yihan Wang, Xiaole Han, Ce Ci, Jian Zhang, Meng Li, Yan Zhang
Although systematic studies have identified a host of long non-coding RNAs (lncRNAs) which are involved in breast cancer, the knowledge about the methyla-tion-mediated dysregulation of those lncRNAs remains limited. Here, we integrated multi-omics data to analyze the methylated alteration of lncRNAs in breast invasive carcinoma (BRCA). We found that lncRNAs showed diverse methylation patterns on promoter regions in BRCA. LncRNAs were divided into two categories and four subcategories based on their promoter methylation patterns and expression levels be-tween tumor and normal samples...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28532419/a-survey-of-the-complex-transcriptome-from-the-highly-polyploid-sugarcane-genome-using-full-length-isoform-sequencing-and-de-novo-assembly-from-short-read-sequencing
#14
Nam V Hoang, Agnelo Furtado, Patrick J Mason, Annelie Marquardt, Lakshmi Kasirajan, Prathima P Thirugnanasambandam, Frederik C Botha, Robert J Henry
BACKGROUND: Despite the economic importance of sugarcane in sugar and bioenergy production, there is not yet a reference genome available. Most of the sugarcane transcriptomic studies have been based on Saccharum officinarum gene indices (SoGI), expressed sequence tags (ESTs) and de novo assembled transcript contigs from short-reads; hence knowledge of the sugarcane transcriptome is limited in relation to transcript length and number of transcript isoforms. RESULTS: The sugarcane transcriptome was sequenced using PacBio isoform sequencing (Iso-Seq) of a pooled RNA sample derived from leaf, internode and root tissues, of different developmental stages, from 22 varieties, to explore the potential for capturing full-length transcript isoforms...
May 22, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28531944/upregulation-of-ccat2-promotes-cell-proliferation-by-repressing-the-p15-in-breast-cancer
#15
Xin Deng, Yi Zhao, Xin Wu, Guoqing Song
BACKGROUND: Long non-coding RNAs (lncRNAs) are demonstrated to function as modulators of both transcriptional and post-transcriptional regulation in various types of tumors progression. The objective of the study is to investigate the clinical significance and underlying mechanism of Colon cancer associated transcript 2 (CCAT2) involved in breast cancer. METHODS: QT-PCR was performed to examine the relative expression levels of CCAT2 in breast cancer tissues and adjacent normal tissues...
May 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28529709/last-rolls-of-the-yoyo-assessing-the-human-canonical-protein-count
#16
REVIEW
Christopher Southan
In 2004, when the protein estimate from the finished human genome was only 24,000, the surprise was compounded as reviewed estimates fell to 19,000 by 2014. However, variability in the total canonical protein counts (i.e. excluding alternative splice forms) of open reading frames (ORFs) in different annotation portals persists. This work assesses these differences and possible causes. A 16-year analysis of Ensembl and UniProtKB/Swiss-Prot shows convergence to a protein number of ~20,000. The former had shown some yo-yoing, but both have now plateaued...
2017: F1000Research
https://www.readbyqxmd.com/read/28529578/long-non-coding-rna-expression-profiles-in-gallbladder-carcinoma-identified-using-microarray-analysis
#17
Jiwen Wang, Han Liu, Xiaokun Shen, Yueqi Wang, Dexiang Zhang, Sheng Shen, Tao Suo, Hongtao Pan, Yue Ming, Kan Ding, Houbao Liu
Gallbladder carcinoma (GBC) is the most common biliary tract cancer and exhibits poor patient prognosis. Previous studies have identified that long non-coding RNAs (lncRNAs) serve important regulatory roles in cancer biology. Alterations in lncRNAs are associated with several types of cancer. However, the contribution of lncRNAs to GBC remains unclear. To investigate the lncRNAs that are potentially involved in GBC, lncRNA profiles were identified in three pairs of human GBC and corresponding peri-carcinomatous tissue samples using microarray analysis...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28529571/epigenetic-modulation-associated-with-carcinogenesis-and-prognosis-of-human-gastric-cancer
#18
Fuminori Sonohara, Yoshikuni Inokawa, Masamichi Hayashi, Yasuhiro Kodera, Shuji Nomoto
Gastric cancer (GC) is a leading cause of cancer-related death, particularly in Asia. Epidemiological and other clinical studies have identified an association between a number of risk factors, including Helicobacter pylori, and GC. A number of studies have also examined genetic changes associated with the development and progression of GC. When considering the clinical significance of the expression of a specific gene, its epigenetic modulation should be considered. Epigenetic modulation appears to be a primary driver of changes in gastric tissue that promotes carcinogenesis and progression of GC and other neoplasms...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28529506/roles-of-regulatory-rnas-for-antibiotic-resistance-in-bacteria-and-their-potential-value-as-novel-drug-targets
#19
REVIEW
Petra Dersch, Muna A Khan, Sabrina Mühlen, Boris Görke
The emergence of antibiotic resistance mechanisms among bacterial pathogens increases the demand for novel treatment strategies. Lately, the contribution of non-coding RNAs to antibiotic resistance and their potential value as drug targets became evident. RNA attenuator elements in mRNA leader regions couple expression of resistance genes to the presence of the cognate antibiotic. Trans-encoded small RNAs (sRNAs) modulate antibiotic tolerance by base-pairing with mRNAs encoding functions important for resistance such as metabolic enzymes, drug efflux pumps, or transport proteins...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28529100/transcriptional-and-post-transcriptional-gene-regulation-by-long-non-coding-rna
#20
REVIEW
Iain Dykes, Costanza Emanueli
Advances in genomics technology over recent years have led to the surprising discovery that the genome is far more pervasively transcribed than was previously appreciated. Much of the newly-discovered transcriptome appears to represent long non-coding RNA (lncRNA), a heterogeneous group of largely uncharacterised transcripts. Understanding the biological function of these molecules represents a major challenge and in this review we discuss some of the progress made to date. One major theme of lncRNA biology seems to be the existence of a network of interactions with microRNA (miRNA) pathways...
May 18, 2017: Genomics, Proteomics & Bioinformatics
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