Long noncoding RNA HAS2-AS1 mediates hypoxia-induced invasiveness of oral squamous cell carcinoma
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ABSTRACT:
PROVIDER: PRJNA331169 | ENA |
REPOSITORIES: ENA
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Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series
2016-07-26 | E-GEOD-84807 | biostudies-arrayexpress
Project description:This SuperSeries is composed of the SubSeries listed below.
2016-07-26 | GSE84807 | GEO
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Project description:We have identified a set of endothelial-enriched long noncoding RNAs (lncRNAs) in another experiment. In this experiment, we aim to identify genes that are regulated by the GATA2-AS1 lncRNA. We have depleted GATA2-AS1 using two distinct siRNA in human umbilical vein endothelial cells (HUVEC)
2022-02-25 | GSE197376 | GEO
Project description:Characterisation IER3-AS1 interacting proteins using chromatin oligo-affinity precipitation (ChOP) followed by mass spectrometry. The HeLa cell lysates was incubated with biotinylated antisense oligonucleotides (ASO), targeting an experimental target antisense long noncoding RNA IER3-AS1 or a control RNA LacZ. LacZ and IER3-AS1 interacting proteomes were pulldown using Streptavidin beads. The eluted protein samples from both LacZ control ASOs and IER3-AS1 ASOs subjected to mass-spectrometry analyses to identify IER3-AS1 interacting proteins.
2022-10-15 | PXD035704 | Pride
Project description:As the most commonly diagnosed lung cancer, non–small cell lung carcinoma (NSCLC) is regulated by many long noncoding RNAs (lncRNAs). In the present study, we found that SH3PXD2A-AS1 expression in NSCLC tissues was upregulated compared with that in normal lung tissues in The Cancer Genome Atlas (TCGA) database by using the GEPIA website. K-M analysis was performed to explore the effects of this molecule on the survival rate in NSCLC. The results demonstrated that SH3PXD2A-AS1 expression was increased in human NSCLC, and high SH3PXD2A-AS1 expression was correlated with poor overall survival. SH3PXD2A-AS1 promotes lung cancer cell proliferation and accelerates cell cycle progression in vitro. Animal studies validated that knockdown of SH3PXD2A-AS1 inhibits NSCLC cell proliferation in vivo. Mechanically, SH3PXD2A-AS1 interacted with DHX9 to enhance FOXM1 expression, promote tumour cell proliferation and accelerate cell cycle progression. Altogether, SH3PXD2A-AS1 promoted NSCLC growth by interacting with DHX9 to enhance FOXM1 expression. SH3PXD2A-AS1 may serve as a promising predictive biomarker for the diagnosis and prognosis of patients with NSCLC.
2021-08-06 | GSE181195 | GEO
Project description:Objectives: Long non-coding RNAs (lncRNAs) have been shown to play important roles in the development and progression of cancer. However, functional lncRNAs and their downstream mechanisms are largely unknown in the molecular pathogenesis of esophageal adenocarcinoma (EAC) and its progression. Design: lncRNAs that are abnormally upregulated in EACs were identified by RNA-seq analysis, followed by quantitative RT-PCR (qRTPCR) validation using tissues from 31 EAC patients. Cell biological assays in combination with siRNA-mediated knockdown were performed in order to probe the functional relevance of these lncRNAs. Results: We discovered that a lncRNA, HNF1A-AS1, is markedly upregulated in human primary EACs relative to their corresponding normal esophageal tissues (mean fold change 7.2, p<0.01). We further discovered that HNF1A-AS1 knockdown significantly inhibited cell proliferation and anchorage independent growth, suppressed S-phase entry, and inhibited cell migration and invasion in multiple in vitro EAC models (p<0.05). A gene ontological analysis revealed that HNF1A-AS1 knockdown preferentially affected genes that are linked to assembly of chromatin and the nucleosome, a mechanism essential to cell cycle progression. The well-known cancer-related lncRNA, H19, was the gene most markedly inhibited by HNF1A-AS1 knockdown. Consistent to this finding, there was a significant positive correlation between HNF1A-AS1 and H19 expression in primary EACs (p<0.01). In order to identify novel oncogenic lncRNAs in esophageal adenocarcinogenesis, we carried out RNA-seq of a matched NE-BE-EAC tissue pair
2013-10-21 | E-GEOD-48240 | biostudies-arrayexpress
Project description:Epigenetic dysregulation is a common feature of acute myeloid leukemia (AML). Recently it has become clear that long noncoding RNAs (lncRNAs) can play a key role in epigenetic regulation, and consequently also dysregulation. Currently, our understanding of the requirements and roles of lncRNAs in AML is still limited. Using CRISPRi screening, we identified the lncRNA SGOL1-AS1 as an essential regulator of survival in THP-1 AML cells. We use RNA affinity purification using a biotinylated bait to pull down binding partners of the lncRNA, SGOL1-AS1. The identified proteins show a signficant enrichment for chromatin-modifying proteins involved in gene repression and chromosome organization.
2023-06-12 | PXD034329 | Pride
Project description:The long noncoding RNA NKX2-1-AS1 is highly expressed in primary lung adenocarcinomas compared to squamous carcinomas, similar to its adjacent protein-coding gene NKX2-1, but its contribution to lung tumorigenesis is not well understood. In this study we knockdown NKX2-1-AS1 by siRNA transfection and analyze the effect on gene expression in the lung carcinoma H441 cell line.
2018-09-28 | GSE104691 | GEO
Project description:Background: suitable diagnostic markers for cancers are urgently required in clinical practice. Long noncoding RNAs, which have been reported in many cancer types, are a potential new class of biomarkers for tumor diagnosis. Method: LncRNA gene expression profiles were analyzed in two pairs of human gastric cancer and adjacent non-tumor tissues by microarray analysis. Nine gastric cancer-associated lncRNAs were selected and assessed by quantitative real-time polymerase chain reaction in gastric tissues, and 5 of them were further analyzed in gastric cancer patients’plasma. Results: Five lncRNAs, including AK001058, INHBA-AS1, MIR4435-2HG, UCA1 and CEBPA-AS1 were validated to be increased in gastric cancer tissues. Furthermore, we found that plasma level of these five lncRNAs were significantly higher in gastric cancer patients compared with normal controls. By receiver operating characteristic analysis, we found that the combination of plasma lncRNAs with the area under the curve up to 0.921, including AK001058, INHBA-AS1, MIR4435-2HG, and CEBPA-AS1, is a better indicator of gastric cancer than their individual levels or other lncRNA combinations. Simultaneously, we found that the expression levels of a series of MIR4435-2HG fragments are different in gastric cancer plasma samples, but most of them higher than that in healthy control plasma samples. Conclusion: Our results demonstrate that certain lncRNAs, such as AK001058, INHBA-AS1, MIR4435-2HG, and CEBPA-AS1, are enriched in human gastric cancer tissues and significantly elevated in the plasma of patients with gastric cancer. These findings indicate that the combination of these four lncRNAs might be used as diagnostic or prognostic markers for gastric cancer patients.
2017-01-12 | GSE93512 | GEO