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Differential expression profile of mRNAs and lncRNAs regulated by HNF1α in hepatocellular carcinoma cells HuH7

ABSTRACT: To determine the role of HNF1α on long noncoding RNAs (lncRNAs) and the overall mechanisms in hepatocellular carcinoma, we analyzed the expression profiles of lncRNAs and mRNAs in huh7 cells with overexpression or knockdown of HNF1α. Expression profile showed that there were 339 mRNAs and 22 intergenic lncRNAs positively regulated by HNF1α for more than 2 times. The up-regulated genes separated samples by comparing lenti-HNF1α group with lenti-ctrl group, with overlap the down-regulated genes separated in HNF1α knockdown groups were identified as the genes positived regulated by HNF1α. Expression of seven genes from these 22 intergenic lncRNAs was quantified in the same RNA samples by real-time PCR, confirming the regulatory effect of HNF1α on lncRNAs as well as the microarray analysis pattern.

ORGANISM(S): Homo sapiens

PROVIDER: GSE103128 | GEO | 2017/08/26

SECONDARY ACCESSION(S): PRJNA400249

REPOSITORIES: GEO

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Homo sapiens

Project description:Differential expression profile of mRNAs and lncRNAs regulated by HNF1α in hepatocellular carcinoma cells HuH7

| PRJNA400249 | ENA

Expression data that were specifically regulated by lncRNA-LFAR1 in livers of mice undergoing hepatic fibrosis.

Project description:Long noncoding RNAs (lncRNAs) play important roles in various biological processes; however, few have been identified that regulate hepatic stellate cells (HSCs) activation and the progression of liver fibrosis. Through a detailed analysis of the expression of lncRNAs in various tissues, we discovered the existence of a liver enriched lncRNA-LFAR1 (lncRNA-Liver Fibrosis Associated RNA1). To identify the roles of lncRNA-LFAR1 in liver fiboris, we systematically analyzed the regulation of mRNAs in the livers of mice treated with oil in combination with injection of Lenti-NC (NC, n=3), CCl4 in combination with injection of Lenti-NC (NC+CCl4, n=3), oil in combination with injection of Lenti-shLFAR1 (shLFAR1, n=3) and CCl4 in combination with injection of Lenti-shLFAR1 (shLFAR1+CCl4, n=3) by mRNA microarrays, which revealed a panel of mRNAs that were specifically regulated by lncRNA-LFAR1 in livers of mice undergoing hepatic fibrosis. To identify the roles of lncRNAs-LFAR1 in regulating liver fiboris and the potential targets of lncRNA-LFAR1 in liver fiboris,we determined the mRNA expression profiles in the livers of Balb/c mice treated with oil in combination with injection of Lenti-NC (NC, n=3), CCl4 in combination with injection of Lenti-NC (NC+CCl4, n=3), oil in combination with injection of Lenti-shLFAR1 (shLFAR1, n=3) and CCl4 in combination with injection of Lenti-shLFAR1 (shLFAR1+CCl4, n=3) by mRNA microarrays.

2016-10-26 | GSE89147 | GEO

Polyadenylated RNA Sequencing of C57BL/6J Embryonic, Adult and Pressure-Overloaded Hearts

Project description:A few reports have implicated specific lncRNAs in cardiac development or failure, but precise details of lncRNAs expressed in hearts and how their expression may be altered during embryonic heart development or by adult heart disease is unknown. By comparing lncRNA profiles of normal embryonic (~E14), normal adult, and hypertrophied adult hearts we defined a distinct fetal lncRNA abundance signature that includes 157 lncRNAs differentially expressed compared to adults (fold-change ≥ 50%, FDR=0.02), and which was only poorly recapitulated in hypertrophied hearts (17 differentially expressed lncRNAs; 13 of these observed in embryonic hearts). Analysis of protein-coding mRNAs from the same samples identified 22 concordantly and 11 reciprocally regulated mRNAs within 10 kb of dynamically expressed lncRNAs, reciprocal relationships of lncRNA and mRNA levels was validated for the Mccc1 and Relb genes using in vitro lncRNA knockdown in C2C12 cells. Network analysis suggested a central role for lncRNAs in modulating NFkappaB- and CREB1-regulated genes during embryonic heart growth and identified multiple mRNAs within these pathways that are also regulated, but independently of lncRNAs. Cardiac polyadenylated RNA (mRNA and lncRNA) profiles were generated from C57BL/6J mouse hearts were generated on Illumina HiSeq 2000 instruments. 7 independent E13.5 hearts, 12 adult hearts (6 at 6 weeks of age, 6 at 16 weeks of age), 4 sham-operated hearts at 12 weeks of age, and 4 hearts after 4 weeks of pressure overload (TAC) at 12 weeks of age.

2014-06-14 | E-GEOD-58455 | biostudies-arrayexpress

Polyadenylated RNA Sequencing of C57BL/6J Embryonic, Adult and Pressure-Overloaded Hearts

2014-06-14 | GSE58455 | GEO

RNA-seq analysis lncRNA and mRNA between crushed sciatic nerves and intact contralateral nerves

Project description:To investigate the potential function of lncRNAs in Schwann cell (SCs) response to sciatic nerve damage and repair, we extracted the total RNA of crushed sciatic nerves and intact contralateral nerves for RNA-sequencing (RNA-seq). A total of 98 differentially expressed lncRNAs (including 46 up-regulated and 52 down-regulated lncRNAs) and 77 differentially expressed mRNAs (including 55 up-regulated and 22 down-regulated mRNAs) were identified between crushed sciatic nerves and normal control (log 2 FC > 1 and p < 0.001).

2022-07-06 | GSE149657 | GEO

Transcriptome analysis in mouse late spermatocyte deficient in pachytene piRNAs (MIWI-immunoprecipitated RNAs)

Project description:The eukaryotic genome has vast intergenic regions containing transposons, pseudogenes and other repetitive sequences. They produce numerous long non-coding RNAs (lncRNAs) and PIWI-interacting RNAs (piRNAs), yet the functions of the vast intergenic regions remain largely unknown. Mammalian piRNAs are abundantly expressed in late spermatocytes and round spermatids. Their expression coincides with the widespread expression of lncRNAs from the genome of these cells. Here, we show that piRNAs mediate the degradation of a large number of mRNAs and lncRNAs in mouse late spermatocytes. In particular, they have a large impact on the lncRNA transcriptome, as a quarter of lncRNAs expressed in late spermatocytes are upregulated in mice deficient in piRNA pathway. Furthermore, our genomic and in vivo functional analyses reveal that retrotransposon sequences in the 3´UTR of mRNAs are potentially targeted by piRNAs for degradation. Similarly, a large number of spermatogenic cell-specific lncRNAs are degraded by piRNAs via retrotransposon sequences. Moreover, we show that pseudogenes regulate mRNA stability via the piRNA pathway. The degradation of mRNAs and lncRNAs by piRNAs requires MIWI and, at least in part, depends on its slicer activity. Together, these findings reveal the presence of the highly complex and global RNA regulatory network mediated by piRNAs with retrotransposons and pseudogenes as regulatory sequences. RNA-seq of MIWI-immunoprecipitated RNAs from Late spermatocytes in Miw+/-, MiwiADH/-, Miwi-/-

2014-11-20 | E-GEOD-62416 | biostudies-arrayexpress

Expression data that were specifically regulated by lncRNA-LFAR1 in mouse primary HSCs

2017-03-14 | GSE96526 | GEO

Gene expression analysis to identify long noncoding RNAs deregulated in Myc-driven B cell lymphoma

Project description:Myc is a well known transcription factor with important roles in cell cycle, apoptosis and cellular transformation. Long non-coding (lnc)RNAs have recently emerged as a important class of regulatory RNAs. Here, we show that lncRNAs are an extensive component of the Myc-regulated transcriptional program. Using the P493-6 inducible Myc model we demonstrate that both Myc-induced mRNAs and lncRNAs were significant enriched for Myc binding sites. In contrast to Myc-repressed mRNAs, Myc-repressed lncRNAs were significantly enriched for Myc binding sites. Subcellular localization analysis revealed that Myc-repressed lncRNAs and mRNAs are enriched in the nucleus while Myc-induced lncRNAs and mRNAs are enriched both in the cytoplasm and nucleus. Parallel analysis of differentially expressed lncRNAs and mRNAs identified 105 lncRNA-mRNA pairs that were in close vicinity, indicative for regulation in cis. To support the potential relevance of the Myc-regulated lncRNAs in cellular transformation, we analyzed their expression in primary Myc-high and Myc-low B-cell lymphomas. In total, 54% of the lncRNAs differentially expressed between the lymphoma subsets were identified as Myc-regulated in P493-6 cells. This study is the first to show that lncRNAs are an important factor within the Myc-regulated transcriptional program and indicates a marked difference between Myc-repressed lncRNAs and mRNAs. Expression of all known mRNAs and >10 000 lncRNAs was assessed in primary lymphoma tissue with high c-myc levels (Burkitt lymphoma; BL) and low c-myc levels (chronic lymphocytic leukemia; CLL)

2015-02-01 | E-GEOD-59479 | biostudies-arrayexpress

Expression profiles of mRNA and lncRNA in HCT-8 cells infected with Cryptosporidium parvum IId subtype

Project description:Cryptosporidium parvum is one of the most important opportunistic enteric parasites, causing severe diarrhea in immunocomprised human and animals. However, few effective control agents were available for this parasite. Long non-coding RNA (lncRNA) was discovered to play key roles in many diseases through regulating the gene expression. Here, using microarray assay, we investigated the expression profiles of mRNA and lncRNA in HCT-8 cells after the infection of C. parvum IId subtype, the prevalent subtype of China. A total of 821 lncRNAs and 1,349 mRNAs were dysregulated expressed in HCT-8 cells at 24 h post infection (pi) of C. parvum IId subtype. Of them, all five types of lncRNAs were identified, including 302 of sense, 280 of antisense, 312 of intergenic, 44 of divergent, and 33 of intronic lncRNAs. Ten lncRNAs and ten mRNAs randomly selected were successfully confirmed the microarray results. The co-expression and target prediction analysis indicated 27 of mRNAs cis-regulated by 29 lncRNAs and 109 of coding genes trans-regulated by 114 lncRNAs. These predicted targets were enriched in pathways involved in the interaction between host and C. parvum, eg. hedgehog signaling pathway, Wnt signaling pathway and tight junction, suggesting that these aberrantly lncRNAs would play important regulating roles during infection of C. parvum IId subtype.

2018-07-19 | GSE111565 | GEO

Gene expression analysis in cytoplasmic and nuclear fractions of P493-6 B cells with low c-myc expression to assess long noncoding RNA localization

Project description:Myc is a well known transcription factor with important roles in cell cycle, apoptosis and cellular transformation. Long non-coding (lnc)RNAs have recently emerged as a important class of regulatory RNAs. Here, we show that lncRNAs are an extensive component of the Myc-regulated transcriptional program. Using the P493-6 inducible Myc model we demonstrate that both Myc-induced mRNAs and lncRNAs were significant enriched for Myc binding sites. In contrast to Myc-repressed mRNAs, Myc-repressed lncRNAs were significantly enriched for Myc binding sites. Subcellular localization analysis revealed that Myc-repressed lncRNAs and mRNAs are enriched in the nucleus while Myc-induced lncRNAs and mRNAs are enriched both in the cytoplasm and nucleus. Parallel analysis of differentially expressed lncRNAs and mRNAs identified 105 lncRNA-mRNA pairs that were in close vicinity, indicative for regulation in cis. To support the potential relevance of the Myc-regulated lncRNAs in cellular transformation, we analyzed their expression in primary Myc-high and Myc-low B-cell lymphomas. In total, 54% of the lncRNAs differentially expressed between the lymphoma subsets were identified as Myc-regulated in P493-6 cells. This study is the first to show that lncRNAs are an important factor within the Myc-regulated transcriptional program and indicates a marked difference between Myc-repressed lncRNAs and mRNAs. Arrays: The total, cy3 labeled fraction and the cytoplasmic or nuclear, cy5 labeled fraction was hybridized on the same array. Data was imported and analyzed as a single color array. Expression of all known mRNAs and >10 000 lncRNAs was assessed in P493-6 B cells with low c-myc levels

2015-02-01 | E-GEOD-59478 | biostudies-arrayexpress

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