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Noncoding RNA

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https://www.readbyqxmd.com/read/28931210/long-noncoding-rna-pcat-1-promotes-invasion-and-metastasis-via-the-mir-129-5p-hmgb1-signaling-pathway-in-hepatocellular-carcinoma
#1
Deyuan Zhang, Jinyu Cao, Qingling Zhong, Liangtao Zeng, Chang Cai, Lang Lei, Wen Zhang, Fanrong Liu
OBJECTIVE: The long non-coding RNA (lncRNA) prostate cancer-associated transcript 1(PCAT-1) has been shown to be dysregulated and exert vital roles in tumorigenesis and progression of various malignancies. However, the precise molecular mechanism in the metastasis and invasion of HCC remain unclear. METHODS: The expression levels of PCAT1 derived from human HCC tissues and cell lines were analyzed through quantitative real-time PCR. QRT-PCR was also applied to detect the expression of HMGB1 and miR-129-5p...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28931158/new-mitogenomes-of-two-chinese-stag-beetles-coleoptera-lucanidae-and-their-implications-for-systematics
#2
Zi-Qi Lin, Fan Song, Teng Li, Yuan-Yuan Wu, Xia Wan
Although conspicuous and well-studied, stag beetles have been slow to join the genomic era. In this study, mitochondrial genomes of two stag beetles, Sinodendron yunnanense and Prosopocoilus confucius, are sequenced for the first time. Both of their genomes consisted of 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNAs (rRNAs), and a control region. The mitogenome of S. yunnanense was 16,921 bp in length, and P. confucius was 16,951 bp. The location of the gene trnL(UUR), between the A + T-rich and control region in S...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28929110/retracted-long-noncoding-rna-kiaa0125-potentiates-cell-migration-and-invasion-in-gallbladder-cancer
#3
BioMed Research International
[This retracts the article DOI: 10.1155/2015/108458.].
2017: BioMed Research International
https://www.readbyqxmd.com/read/28928947/puzzles-in-modern-biology-v-why-are-genomes-overwired
#4
Steven A Frank
Many factors affect eukaryotic gene expression. Transcription factors, histone codes, DNA folding, and noncoding RNA modulate expression. Those factors interact in large, broadly connected regulatory control networks. An engineer following classical principles of control theory would design a simpler regulatory network. Why are genomes overwired? Neutrality or enhanced robustness may lead to the accumulation of additional factors that complicate network architecture. Dynamics progresses like a ratchet. New factors get added...
2017: F1000Research
https://www.readbyqxmd.com/read/28928830/overexpression-of-long-noncoding-rna-peg10-promotes-proliferation-invasion-and-metastasis-of-hypopharyngeal-squamous-cell-carcinoma
#5
Miaoqing Zhao, Dianshui Sun, Xinwei Li, Ying Xu, Hao Zhang, Yejun Qin, Ming Xia
The present study aimed to investigate the impact of overexpression of long noncoding RNA PEG10 (lncRNA PEG10) on the proliferation, invasion and metastasis of hypopharyngeal squamous cell carcinoma (HSCC). Quantitative reverse transcription polymerase chain reaction was used to quantify lncRNA PEG10 expression levels in HSCC tumor tissues samples, para-carcinoma tissue samples and the HSCC FaDu cell line. Cell proliferation assays, Transwell invasion assays and wound healing assays were used to evaluate the effects of lncRNA PEG10 on FaDu cells in vitro...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928231/the-role-of-circrnas-in-cancers
#6
Ling-Ping Zhu, Yun-Jie He, Jun-Chen Hou, Xiu Chen, Si-Ying Zhou, Su-Jin Yang, Jian Li, He-Da Zhang, Jia-Hua Hu, Shan-Liang Zhong, Jian-Hua Zhao, Jin-Hai Tang
Circular RNAs (circRNAs) are recently regarded as a naturally forming family of widespread and diverse endogenous noncoding RNAs that may regulate gene expression in mammals. At present, above 30,000 circRNAs have already been found, with their unique structures to maintain stability more easily than linear RNAs. Several previous literatures stressed on the important role of circRNAs, whose expression was relatively correlated with patients' clinical characteristics and grade, in the carcinogenesis of cancer...
September 19, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28928124/emerging-mechanisms-of-long-noncoding-rna-function-during-normal-and-malignant-hematopoiesis
#7
Juan R Alvarez-Dominguez, Harvey F Lodish
Long noncoding RNAs (lncRNAs) are increasingly recognized as vital components of gene programs controlling cell differentiation and function. Central to their functions is an ability to act as scaffolds or as decoys that recruit or sequester effector proteins from their DNA, RNA, or protein targets. lncRNA-modulated effectors include regulators of transcription, chromatin organization, RNA processing, and translation, such that lncRNAs can influence gene expression at multiple levels. Here we review the current understanding of how lncRNAs help coordinate gene expression to modulate cell fate in the hematopoietic system...
September 19, 2017: Blood
https://www.readbyqxmd.com/read/28925938/circulating-micrornas-and-bioinformatics-tools-to-discover-novel-diagnostic-biomarkers-of-pediatric-diseases
#8
REVIEW
Antonella Baldassarre, Cristina Felli, Giorgio Prantera, Andrea Masotti
MicroRNAs (miRNAs) are small noncoding RNAs that regulate gene expression at the post-transcriptional level. Current studies have shown that miRNAs are also present in extracellular spaces, packaged into various membrane-bound vesicles, or associated with RNA-binding proteins. Circulating miRNAs are highly stable and can act as intercellular messengers to affect many physiological processes. MicroRNAs circulating in body fluids have generated strong interest in their potential use as clinical biomarkers. In fact, their remarkable stability and the relative ease of detection make circulating miRNAs ideal tools for rapid and non-invasive diagnosis...
September 19, 2017: Genes
https://www.readbyqxmd.com/read/28925486/long-non-coding-rna-foxd2-as1-functions-as-a-tumor-promoter-in-colorectal-cancer-by-regulating-emt-and-notch-signaling-pathway
#9
X Yang, B Duan, X Zhou
OBJECTIVE: A growing number of long noncoding RNAs (lncRNAs) are emerging as new modulators in cancer origination and progression. However, the functions and molecular mechanisms of lncRNAs to colorectal cancer (CRC) are still largely unknown. The aim of this study was to investigate the function and role of lncRNA FOXD2-AS1 (FOXD2-AS1) in human CRC. PATIENTS AND METHODS: The expression of FOXD2-AS1 was investigated using Real-time reverse transcription-polymerase chain reaction (qRT-PCR) in 45 CRC specimens and matched adjacent normal tissues and CRC cell lines...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28924375/lncrna-afap1-as-functions-as-a-competing-endogenous-rna-to-regulate-rap1b-expression-by-sponging-mir-181a-in-the-hscr
#10
Guanglin Chen, Lei Peng, Zhongxian Zhu, Chunxia Du, Ziyang Shen, Rujin Zang, Yang Su, Yankai Xia, Weibing Tang
Background: Long noncoding RNAs (lncRNAs) have recently emerged as important regulators in a broad spectrum of cellular processes including development and disease. Despite the known engagement of the AFAP1-AS in several human diseases, its biological function in Hirschsprung disease (HSCR) remains elusive. Methods: We used qRT-PCR to detect the relative expression of AFAP1-AS in 64 HSCR bowel tissues and matched normal intestinal tissues. The effects of AFAP1-AS on cell proliferation, migration, cell cycle, apoptosis and cytoskeletal organization were evaluated using CCK-8, transwell assay, flow cytometer analysis and immunofluorescence, in 293T and SH-SY5Y cell lines, respectively...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924252/comprehensive-analysis-of-lncrnas-and-mrnas-in-skeletal-muscle-of-rainbow-trout-oncorhynchus-mykiss-exposed-to-estradiol
#11
Jian Wang, Prasanthi P Koganti, Jianbo Yao, Shuo Wei, Beth Cleveland
Estradiol (E2) is a steroid hormone that negatively affects muscle growth in rainbow trout (Oncorhynchus mykiss), but the mechanisms directing with this response are not fully understood. To better characterize the effects of E2 in muscle, we identified differentially regulated mRNAs and lncRNAs in juvenile rainbow trout exposed to E2. Here, we performed next-generation RNA sequencing and comprehensive bioinformatics analyses to characterize the transcriptome profiles, including mRNAs and long noncoding RNAs (lncRNAs), in skeletal muscle of rainbow trout injected with E2...
September 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28923964/repeat-e-anchors-xist-rna-to-the-inactive-x-chromosomal-compartment-through-cdkn1a-interacting-protein-ciz1
#12
Hongjae Sunwoo, David Colognori, John E Froberg, Yesu Jeon, Jeannie T Lee
X chromosome inactivation is an epigenetic dosage compensation mechanism in female mammals driven by the long noncoding RNA, Xist. Although recent genomic and proteomic approaches have provided a more global view of Xist's function, how Xist RNA localizes to the inactive X chromosome (Xi) and spreads in cis remains unclear. Here, we report that the CDKN1-interacting zinc finger protein CIZ1 is critical for localization of Xist RNA to the Xi chromosome territory. Stochastic optical reconstruction microscopy (STORM) shows a tight association of CIZ1 with Xist RNA at the single-molecule level...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28922229/micrornas-as-clinical-biomarkers-and-therapeutic-tools-in-perioperative-medicine
#13
Simone Kreth, Max Hübner, Ludwig Christian Hinske
Over the past decade, evolutionarily conserved, noncoding small RNAs-so-called microRNAs (miRNAs)-have emerged as important regulators of virtually all cellular processes. miRNAs influence gene expression by binding to the 3'-untranslated region of protein-coding RNA, leading to its degradation and translational repression. In medicine, miRNAs have been revealed as novel, highly promising biomarkers and as attractive tools and targets for novel therapeutic approaches. miRNAs are currently entering the field of perioperative medicine, and they may open up new perspectives in anesthesia, critical care, and pain medicine...
September 14, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28920960/long-noncoding-rna-egfr-as1-mediates-epidermal-growth-factor-receptor-addiction-and-modulates-treatment-response-in-squamous-cell-carcinoma
#14
Daniel S W Tan, Fui Teen Chong, Hui Sun Leong, Shen Yon Toh, Dawn P Lau, Xue Lin Kwang, Xiaoqian Zhang, Gopinath M Sundaram, Gek San Tan, Mei Mei Chang, Boon Tin Chua, Wan Teck Lim, Eng Huat Tan, Mei Kim Ang, Tony K H Lim, Prabha Sampath, Balram Chowbay, Anders J Skanderup, Ramanuj DasGupta, N Gopalakrishna Iyer
Targeting EGFR is a validated approach in the treatment of squamous-cell cancers (SCCs), although there are no established biomarkers for predicting response. We have identified a synonymous mutation in EGFR, c.2361G>A (encoding p.Gln787Gln), in two patients with head and neck SCC (HNSCC) who were exceptional responders to gefitinib, and we showed in patient-derived cultures that the A/A genotype was associated with greater sensitivity to tyrosine kinase inhibitors (TKIs) as compared to the G/A and G/G genotypes...
September 18, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28919786/genetic-variants-in-long-noncoding-rna-h19-contribute-to-the-risk-of-breast-cancer-in-a-southeast-china-han-population
#15
Yuxiang Lin, Fangmeng Fu, Yazhen Chen, Wei Qiu, Songping Lin, Peidong Yang, Meng Huang, Chuan Wang
The long noncoding RNA (lncRNA) H19 is a maternally expressed imprinted gene that plays important roles in tumorigenesis, progression, and metastasis. However, the association between polymorphisms on H19 and breast cancer (BC) susceptibility has remained obscure. In this case-control study, we assessed the interaction between two lncRNA H19 single-nucleotide polymorphisms (SNPs) (rs217727 C>T, rs2839698 C>T) and the risk of BC in a Chinese Han population. In total, 1,005 BC cases and 1,020 healthy controls were enrolled in this study...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28919308/alternative-splicing-in-cancers-from-aberrant-regulation-to-new-therapeutics
#16
REVIEW
Xiaowei Song, Zhenyu Zeng, Huanhuan Wei, Zefeng Wang
Alternative splicing is one of the most common mechanisms for gene regulation in humans, and plays a vital role to increase the complexity of functional proteins. In this article, we seek to provide a general review on the relationships between alternative splicing and tumorigenesis. We briefly introduce the basic rules for regulation of alternative splicing, and discuss recent advances on dynamic regulation of alternative splicing in cancers by highlighting the roles of a variety of RNA splicing factors in tumorigenesis...
September 14, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28918159/identification-of-circular-rna-in-the-bombyx-mori-silk-gland
#17
Huaiyan Gan, Tieshan Feng, Yuqian Wu, Chun Liu, Qingyou Xia, Tingcai Cheng
Bombyx mori is an economically important holometabolous lepidopteran insect. In B. mori endogenous noncoding RNAs such as microRNAs (miRNAs) and Piwi-interacting RNAs play crucial biological functions in metamorphosis and sex determination. In addition, circular RNAs (circRNAs) have been recently identified as noncoding RNAs in most common model organisms and show potential as gene regulators. However, to date, there have been few studies on the circRNAs present in the B. mori genome conducted to date. Here, we identified 3916 circRNAs by deep circular transcriptome sequencing using the silk gland of B...
September 14, 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28918047/long-noncoding-rna-bc032913-as-a-novel-therapeutic-target-for-colorectal-cancer-that-suppresses-metastasis-by-upregulating-timp3
#18
Jiaxin Lin, Xin Tan, Lin Qiu, Long Huang, Yi Zhou, Zhizhong Pan, Ranyi Liu, Shuai Chen, Rong Geng, Jiangxue Wu, Wenlin Huang
Long noncoding RNAs (lncRNAs) have been shown to play critical roles in the biology of various cancers. However, their expression patterns and biological functions in human colorectal cancer (CRC) remain largely unknown. The aim of this study was to explore lncRNA profiles in CRC and investigate key lncRNAs involved in CRC tumorigenesis and progression. The microarray data of six CRC and matched non-cancerous tissues revealed distinct lncRNA profiles, including 899 upregulated and 1,646 downregulated lncRNAs (p < 0...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28918030/lncrna-trerna1-function-as-an-enhancer-of-snai1-promotes-gastric-cancer-metastasis-by-regulating-epithelial-mesenchymal-transition
#19
Huazhang Wu, Ying Hu, Xiufang Liu, Wei Song, Pihai Gong, Kun Zhang, Zhenxing Chen, Menghan Zhou, Xiaohui Shen, Yanyan Qian, Hong Fan
Long noncoding RNA (lncRNA) has been implicated in cancer, but little is known about the role of lncRNAs as regulators of tumor metastasis. In the present study, we demonstrate that lncRNA TRERNA1 acts like an enhancer of SNAI1 to promote cell invasion and migration and to contribute to metastasis of gastric cancer (GC). TRERNA1 is significantly unregulated in GCs and GC cell lines. Increased TRERNA1 is positively correlated with lymph node metastasis of GCs. RNA immunoprecipitation (RIP) and chromatin immunoprecipitation (ChIP) assays revealed that TRERNA1 functions as a scaffold to recruit EZH2 to epigenetically silence epithelial-mesenchymal transition marker CDH1 by H3K27me3 of its promoter region...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28918022/antisense-oligonucleotides-reduce-rna-foci-in-spinocerebellar-ataxia-36-patient-ipscs
#20
Kosuke Matsuzono, Keiko Imamura, Nagahisa Murakami, Kayoko Tsukita, Takuya Yamamoto, Yuishin Izumi, Ryuji Kaji, Yasuyuki Ohta, Toru Yamashita, Koji Abe, Haruhisa Inoue
Spinocerebellar ataxia type 36 is a late-onset, slowly progressive cerebellar syndrome with motor neuron degeneration that is caused by expansions of a hexanucleotide repeat (GGCCTG) in the noncoding region of NOP56 gene, with a histopathological feature of RNA foci formation in postmortem tissues. Here, we report a cellular model using the spinocerebellar ataxia type 36 patient induced pluripotent stem cells (iPSCs). We generated iPSCs from spinocerebellar ataxia type 36 patients and differentiated them into neurons...
September 15, 2017: Molecular Therapy. Nucleic Acids
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