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https://www.readbyqxmd.com/read/28425074/lincrna-p21-function-and-mechanism-in-cancer
#1
REVIEW
Shaoyun Chen, Hairong Liang, Hui Yang, Kairu Zhou, Longmei Xu, Jiaxian Liu, Bei Lai, Li Song, Hao Luo, Jianming Peng, Zhidong Liu, Yongmei Xiao, Wen Chen, Huanwen Tang
In view of the rapid development of gene chips and high-throughput sequencing technology, noncoding RNAs (ncRNas) form a high percentage of the mammalian genome. Two major subgroups of ncRNAs that have been identified are the long ncRNAs (lncRNas) and the microRNAs. A number of studies in the past few years have showed crucial functions for lncRNas in cancer. LincRNa-p21 as a p53-dependent transcriptional target gene and a potential diagnostic marker is involved in proliferation, cell cycle, metabolism and reprogramming...
May 2017: Medical Oncology
https://www.readbyqxmd.com/read/28423633/novel-lincrna-slinky-is-a-prognostic-biomarker-in-kidney-cancer
#2
Xue Gong, Zurab Siprashvili, Okyaz Eminaga, Zhewei Shen, Yusuke Sato, Haruki Kume, Yukio Homma, Seishi Ogawa, Paul A Khavari, Jonathan R Pollack, James D Brooks
Clear cell renal cell carcinomas (ccRCC) show a broad range of clinical behavior, and prognostic biomarkers are needed to stratify patients for appropriate management. We sought to determine whether long intergenic non-coding RNAs (lincRNAs) might predict patient survival. Candidate prognostic lincRNAs were identified by mining The Cancer Genome Atlas (TCGA) transcriptome (RNA-seq) data on 466 ccRCC cases (randomized into discovery and validation sets) annotated for ~21,000 lncRNAs. A previously uncharacterized lincRNA, SLINKY (Survival-predictive LINcRNA in KidneY cancer), was the top-ranked prognostic lincRNA, and validated in an independent University of Tokyo cohort (P=0...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422321/aberrantly-expressed-long-non-coding-rnas-in-cd8-t-cells-response-to-active-tuberculosis
#3
Yurong Fu, Kunshan Gao, Enxue Tao, Ruifang Li, Zhengjun Yi
Dysregulated expression of long noncoding RNAs (lncRNAs) has been demonstrated as being implicated in a variety of human diseases. In the study we aimed to determine lncRNA profile in CD8(+) T cells response to active tuberculosis (TB). We examined the lncRNA expression by microarray in circulating CD8(+) T cells isolated from patients with active TB and healthy controls. Change predictions to analysis was used to address functional roles of the deregulated mRNAs. Real-time quantitative PCR (RT-qPCR) was used to validate the microarray result...
April 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28391277/lincrna-p21-inhibits-the-wnt-%C3%AE-catenin-pathway-in-activated-hepatic-stellate-cells-via-sponging-microrna-17-5p
#4
Fujun Yu, Yong Guo, Bicheng Chen, Liang Shi, Peihong Dong, Mengtao Zhou, Jianjian Zheng
BACKGROUND/AIMS: It is known that the activation of hepatic stellate cells (HSCs) is a pivotal step in the initiation and progression of liver fibrosis. Aberrant activated Wnt/β-catenin pathway is known to accelerate the development of liver fibrosis. microRNAs (miRNAs)-mediated Wnt/β-catenin pathway has been reported to be involved in HSC activation during liver fibrosis. However, whether long noncoding RNAs (lncRNAs) regulate Wnt/β-catenin pathway during HSC activation still remains unclear...
April 7, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28389524/de-novo-rna-sequence-assembly-during-in-vivo-inflammatory-stress-reveals-hundreds-of-unannotated-lincrnas-in-human-blood-cd14-monocytes-and-in-adipose-tissue
#5
Chenyi Xue, Xuan Zhang, Hanrui Zhang, Jane F Ferguson, Ying Wang, Christine Hinkle, Mingyao Li, Muredach P Reilly
Long intergenic noncoding RNAs (lincRNAs) have emerged as key regulators of cellular functions and physiology. Yet functional lincRNAs often have low, context-specific and tissue-specific expression. We hypothesized that many human monocyte and adipose lincRNAs would be absent in current public annotations due to lincRNA tissue specificity, modest sequencing depth in public data, limitations of transcriptome assembly algorithms and lack of dynamic physiological contexts. Deep RNA-seq was performed in peripheral blood CD14+ monocytes (monocytes; average ~247 million reads per sample) and adipose tissue (average ~378 million reads per sample) collected before and after human experimental endotoxemia, an in vivo inflammatory stress, to identify tissue-specific and clinically relevant lincRNAs...
April 7, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28388536/long-noncoding-rna-ror-regulates-chemoresistance-in-docetaxel-resistant-lung-adenocarcinoma-cells-via-epithelial-mesenchymal-transition-pathway
#6
Yan Pan, Jing Chen, Leilei Tao, Kai Zhang, Rui Wang, Xiaoyuan Chu, Longbang Chen
Emerging evidence indicates that the dysregulation of long non-coding RNAs (lncRNAs) contributes to the development and progression of lung adenocarcinoma (LAD), however the underlying mechanism of action of lncRNAs remains unclear. It is well known that the effective treatment of cancers has been hindered by drug resistance in the clinical setting. Epithelial-mesenchymal transition (EMT) has been recognized to be involved in acquiring drug resistance, cell migration and invasion properties in several types of cancer...
March 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28388302/genome-wide-association-and-replication-study-of-hepatotoxicity-induced-by-antiretrovirals-alone-or-with-concomitant-anti-tuberculosis-drugs
#7
Zelalem Petros, Ming Ta Michael Lee, Atsushi Takahashi, Yanfei Zhang, Getnet Yimer, Abiy Habtewold, Ina Schuppe-Koistinen, Taisei Mushiroda, Eyasu Makonnen, Michiaki Kubo, Eleni Aklillu
Drug-induced hepatotoxicity (DIH) is a common adverse event that is associated with both antiretroviral (ARV) and anti-tuberculosis drugs (ATD). Moreover, the genetic variations predisposing ARV- and ARV-ATD-induced liver toxicity in African populations are not well investigated, despite the two diseases being the major global health problems in sub-Saharan Africa. We performed a genome-wide association study (GWAS) and replication study to identify the genetic variants linked to the risk of developing DIH due to ARV drugs alone, and ARV-ATD co-treatment in Ethiopian HIV-positive patients...
April 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28385713/genome-wide-top2a-dna-cleavage-is-biased-towards-translocated-and-highly-transcribed-loci
#8
Xiang Yu, James W Davenport, Karen A Urtishak, Marie L Carillo, Sager J Gosai, Christos P Kolaris, Jo Ann W Byl, Eric F Rappaport, Neil Osheroff, Brian D Gregory, Carolyn Ann Felix
Type II topoisomerases orchestrate proper DNA topology and they are the targets of anticancer drugs that cause treatment-related leukemias with balanced translocations. Here, we develop a high-throughput sequencing technology to define TOP2 cleavage sites at single base precision and use the technology to characterize TOP2A cleavage genome-wide in the human K562 leukemia cell line. We find that TOP2A cleavage has functionally conserved local sequence preferences, occurs in cleavage cluster regions (CCRs) and is enriched in introns and lincRNA loci...
April 6, 2017: Genome Research
https://www.readbyqxmd.com/read/28376483/long-non-coding-rnas-in-cardiac-remodeling
#9
Shutong Shen, Huimin Jiang, Yihua Bei, Junjie Xiao, Xinli Li
Cardiac remodeling occurs after stress to the heart, manifested as pathological processes, including hypertrophy and apoptosis of cardiomyocytes, dysfunction of vascular endothelial cells and vascular smooth muscle cells as well as differentiation and proliferation of fibroblasts, ultimately resulting in progression of cardiovascular diseases. Emerging evidence has revealed that long non-coding RNAs (lncRNAs) acted as powerful and dynamic modifiers of cardiac remodeling. LncRNAs including Chaer, Chast, Mhrt, CHRF, ROR, H19, and MIAT have been implicated in cardiac hypertrophy while NRF, H19, APF, CARL, UCA, Mhrt and several other lncRNAs (n379599, n379519, n384640, n380433 and n410105) in cardiomyocyte loss and extracellular matrix remodeling...
April 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28370091/genotyping-by-sequencing-reveals-a-new-locus-for-pig-teat-number
#10
L Wang, Y Zhang, T Zhang, L Zhang, H Yan, X Liu, L Wang
Teat number is an extremely valuable trait for sow reproduction performance and piglet survival. Here, we used genotyping-by-sequencing and a general liner model to carry out genome-wide analysis of sow total teat number in an Erhualian population. The results indicated that eight SNPs on chromosomes 4, 5, 9 and 10 were significant genome wide (Bonferroni method, P < 2.85E-7) for sow total teat number. Validation analyses were performed in 298 Erhualian and 904 Large White sows using these significant SNPs and the general liner model procedure in sas...
April 3, 2017: Animal Genetics
https://www.readbyqxmd.com/read/28359583/enhancer-derived-lncrnas-regulate-genome-architecture-fact-or-fiction
#11
Stephanie Fanucchi, Musa M Mhlanga
How does the non-coding portion of the genome contribute to the regulation of genome architecture? A recent paper by Tan et al. focuses on the relationship between cis-acting complex-trait-associated lincRNAs and the formation of chromosomal contacts in topologically associating domains (TADs).
March 27, 2017: Trends in Genetics: TIG
https://www.readbyqxmd.com/read/28304380/comprehensive-analysis-of-the-cancer-genome-atlas-reveals-a-unique-gene-and-non-coding-rna-signature-of-fibrolamellar-carcinoma
#12
Timothy A Dinh, Eva C M Vitucci, Eliane Wauthier, Rondell P Graham, Wendy A Pitman, Tsunekazu Oikawa, Mengjie Chen, Grace O Silva, Kevin G Greene, Michael S Torbenson, Lola M Reid, Praveen Sethupathy
Fibrolamellar carcinoma (FLC) is a unique liver cancer primarily affecting young adults and characterized by a fusion event between DNAJB1 and PRKACA. By analyzing RNA-sequencing data from The Cancer Genome Atlas (TCGA) for >9,100 tumors across ~30 cancer types, we show that the DNAJB1-PRKACA fusion is specific to FLCs. We demonstrate that FLC tumors (n = 6) exhibit distinct messenger RNA (mRNA) and long intergenic non-coding RNA (lincRNA) profiles compared to hepatocellular carcinoma (n = 263) and cholangiocarcinoma (n = 36), the two most common liver cancers...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28251479/changes-in-lncrnas-and-related-genes-in-%C3%AE-thalassemia-minor-and-%C3%AE-thalassemia-major
#13
Jing Ma, Fei Liu, Xin Du, Duan Ma, Likuan Xiong
β-thalassemia is caused by β-globin gene mutations. However, heterogeneous phenotypes were found in individuals with same genotype, and still undescribed mechanism underlies such variation. We collected blood samples from 30 β-thalassemia major, 30 β-thalassemia minor patients, and 30 matched normal controls. Human lncRNA Array v2.0 (8 × 60 K, Arraystar) was used to detect changes in long non-coding RNAs (lncRNAs) and mRNAs in three samples each from β-thalassemia major, β-thalassemia minor, and control groups...
March 2, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28249171/cis-acting-complex-trait-associated-lincrna-expression-correlates-with-modulation-of-chromosomal-architecture
#14
Jennifer Yihong Tan, Adam Alexander Thil Smith, Maria Ferreira da Silva, Cyril Matthey-Doret, Rico Rueedi, Reyhan Sönmez, David Ding, Zoltán Kutalik, Sven Bergmann, Ana Claudia Marques
Intergenic long noncoding RNAs (lincRNAs) are the largest class of transcripts in the human genome. Although many have recently been linked to complex human traits, the underlying mechanisms for most of these transcripts remain undetermined. We investigated the regulatory roles of a high-confidence and reproducible set of 69 trait-relevant lincRNAs (TR-lincRNAs) in human lymphoblastoid cells whose biological relevance is supported by their evolutionary conservation during recent human history and genetic interactions with other trait-associated loci...
February 28, 2017: Cell Reports
https://www.readbyqxmd.com/read/28247361/bioinformatics-for-novel-long-intergenic-noncoding-rna-lincrna-identification-in-skeletal-muscle-cells
#15
Xianlu Peng, Kun Sun, Jiajian Zhou, Hao Sun, Huating Wang
Long intergenic noncoding RNAs (lincRNAs) have emerged as critical participators in gene regulation in myriads of cell types. The development of the whole transcriptome sequencing technology, or RNA-seq , has enabled novel lincRNA detection, but the bioinformatics analysis toward distinguishing reliable ones remains a challenge. Here, we describe the bioinformatics workflow developed for identifying novel lincRNAs step by step, including read alignment, transcriptome assembly and transcript filtering.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28187707/transcriptome-analysis-of-coding-and-long-non-coding-rnas-highlights-the-regulatory-network-of-cascade-initiation-of-permanent-molars-in-miniature-pigs
#16
Fu Wang, Yang Li, Xiaoshan Wu, Min Yang, Wei Cong, Zhipeng Fan, Jinsong Wang, Chunmei Zhang, Jie Du, Songlin Wang
BACKGROUND: In diphyodont mammals, the additional molars (permanent molars) bud off from the posterior-free end of the primary dental lamina compared with successional teeth (replacement teeth) budding off from the secondary dental lamina. The diphyodont miniature pig has proved to be a valuable model for studying human molar morphogenesis. The additional molars show a sequential initiation pattern related to the specific tooth development stage of additional molars in miniature pigs during the morphogenesis of additional molars...
February 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28183149/long-non-coding-rna-analysis-of-muscular-responses-to-testosterone-deficiency-in-huainan-male-pigs
#17
Baosong Xing, Xianxiao Bai, Hongxia Guo, Junfeng Chen, Liushuai Hua, Jiaqing Zhang, Qiang Ma, Qiaoling Ren, Huashuai Wang, Jing Wang
Long non-coding RNAs (lncRNAs) participated in growth and development of skeletal muscle; however, little is known about their response to testosterone deficiency in porcine skeletal muscle. We compared lean mass related carcass traits and lncRNAs expression files in Longissimus dorsi (LD) muscle between intact and castrated Huainan male pigs. The results showed that castration significantly reduced eye muscle area and lean meat percentage (P < 0.05), but increased the fat mass weight (P < 0.05). Meanwhile, 8946 lncRNAs, including 6743 intergenic lncRNAs (lincRNAs), 498 anti-sense lncRNAs, and 1705 intronic lncRNAs, were identified in porcine LD, among which, 385 lncRNAs were considered as the differentially expressed candidates between intact groups and castrated groups (q-value < 0...
February 9, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28151474/lincrna-gm4419-knockdown-ameliorates-nf-%C3%AE%C2%BAb-nlrp3-inflammasome-mediated-inflammation-in-diabetic-nephropathy
#18
Hong Yi, Rui Peng, Lu-Yu Zhang, Yan Sun, Hui-Min Peng, Han-Deng Liu, Li-Juan Yu, Ai-Ling Li, Ya-Juan Zhang, Wen-Hao Jiang, Zheng Zhang
Diabetic nephropathy (DN) as the primary cause of end-stage kidney disease is a common complication of diabetes. Recent researches have shown the activation of nuclear factor kappa light-chain enhancer of activated B cells (NF-κB) and NACHT, LRR and PYD domain-containing protein 3 (NLRP3) inflammasome are associated with inflammation in the progression of DN, but the exact mechanism is unclear. Long noncoding RNAs (lncRNAs) have roles in the development of many diseases including DN. However, the relationship between lncRNAs and inflammation in DN remains largely unknown...
February 2, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28143393/identification-and-evolutionary-analysis-of-long-non-coding-rnas-in-zebra-finch
#19
Chih-Kuan Chen, Chun-Ping Yu, Sung-Chou Li, Siao-Man Wu, Mei-Yeh Jade Lu, Yi-Hua Chen, Di-Rong Chen, Chen Siang Ng, Chau-Ti Ting, Wen-Hsiung Li
BACKGROUND: Long non-coding RNAs (lncRNAs) are important in various biological processes, but very few studies on lncRNA have been conducted in birds. To identify IncRNAs expressed during feather development, we analyzed single-stranded RNA-seq (ssRNA-seq) data from the anterior and posterior dorsal regions during zebra finch (Taeniopygia guttata) embryonic development. Using published transcriptomic data, we further analyzed the evolutionary conservation of IncRNAs in birds and amniotes...
January 31, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28129115/hotair-epigenetically-modulates-pten-expression-via-microrna-29b-a-novel-mechanism-in-regulation-of-liver-fibrosis
#20
Fujun Yu, Bicheng Chen, Peihong Dong, Jianjian Zheng
Homeobox transcript antisense RNA (HOTAIR), as a long intergenic non-coding RNA (lincRNA), is upregulated in various cancers and involved in diverse cellular functions. However, its role in liver fibrosis is unclear. In this study, HOTAIR expression was upregulated in hepatic stellate cells (HSCs) in vivo and in vitro during liver fibrosis. HOTAIR knockdown suppressed HSC activation including α-smooth muscle actin (α-SMA) and typeIcollagen in vitro and in vivo. Both HSC proliferation and cell cycle were inhibited by HOTAIR knockdown...
January 4, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
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