Microarray profiling analysis of circular RNAs expression in bladder cancer [miRNA profiling]
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ABSTRACT:
PROVIDER: PRJNA590213 | ENA |
REPOSITORIES: ENA
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Project description:Microarray profiling analysis of circular RNAs expression in bladder cancer
| PRJNA590206 | ENA
Project description:Microarray profiling analysis of circular RNAs expression in bladder cancer [lncRNA profiling]
| PRJNA590219 | ENA
Project description:To explore circular RNA (circRNA) expression profiling and their biological functions in bladder cancer, we surveyed the circRNA expression signature of 4 pairs of matched bladder cancer and para-cancer tissues from clinical patients using microarray. Hundreds of significantly changed circRNAs were identified. Our findings provide a novel perspective on transcriptional group and lay the foundation for future research of potential roles of circRNAs in bladder carcinoma.
2016-12-22 | GSE92675 | GEO
Project description:Background: Growing evidence has shown the association of long noncoding RNA/microRNA/mRNA is implicated in tumor initiation, development, and progression. Long noncoding RNA (lncRNA) HAND2-AS1 exhibits anti-cancer effects in diverse cancers. However, the knowledge of HAND-AS1 in bladder cancer remains largely unknown. The present study aims to investigate the effects and mechanisms of HAND-AS1 in bladder cancer progression. Methods: The expression of lncRNA was analyzed by RT2 lncRNA PCR Arrays. The differential expressed lncRNAs were further verified by qRT-PCR. The relationship between lncRNA expression and clinical features was evaluated with Spearman correlation test. Cell proliferation was measured by MTT assay. Cell apoptosis percentage was detected by ANNEXIN V-PI analysis. The promoter activity was illustrated by Luciferase assay, and the change of microRNA and protein was detected by qRT-PCR and western blot, separately. Results: The expression of HAND2-AS1 declined in bladder cancer and correlated with depth of invasion and grades negatively. Restoration of HAND2-AS1 hampered cell growth by provoking cell apoptosis. Furthermore, one of the HAND2-AS1 sponge, miR-146, was found overexpression in bladder cancer tissue and cell lines. Expression of miR-146 related to HAND2-AS1 expression negatively. One of the targeted genes of miR-146, retinoic acid receptor beta (RARB) was downregulated in bladder cancer. In addition, the expression of RARB related to miR-146 negatively. Lost-of-function and gain-of-function experiments were used to identify the mechanisms underlying association of lncRNA HAND2-AS1: miR-146: RARB. miR-146 targeted RARB directly and hindered RARB-mediate apoptosis. However, the hindrance was impaired by HAND2-AS1 notably. Conclusion: HAND2-AS1 diminished miR-146 expression, thereby releasing the suppression of miR-146 on RARB-mediated apoptosis, promoting bladder cancer regression.
2020-11-18 | GSE140584 | GEO
Project description:In order to find out circular RNAs profiles in human bladder cancer tissues and normal bladder tissues, we characterized circuclar RNA transcripts by performing RNA-Seq on ribosomal RNA-depleted total RNA from three pairs of human bladder cancer tissues and paired normal bladder tissues.A computational pipeline based on the anchor alignment of unmapped reads was used to identify circular RNAs. Collectively, we identified16,535 distict circular RNAs, most of them origined from exons (88.96%), others from introns, linc RNA, intergenic region, 3’UTR and 5’UTR. Among all these circRNAs, 571 circRNAs were differentially expressed between bladder cancer tissues and normal bladder tissues, and 524 circRNAs were downregulated in bladder cancer tissues (91.2%), others were upreguluated. These significantly differential expressed circular RNA might have regulatory function in bladder cancer, and worth to be further explored.
2017-08-04 | GSE97239 | GEO
Project description:Profiling circular RNAs in HeLa cell
| PRJNA490742 | ENA
Project description:Background: Growing evidence has shown the association of long noncoding RNA/microRNA/mRNA is implicated in tumor initiation, development, and progression. Long noncoding RNA (lncRNA) HAND2-AS1 exhibits anti-cancer effects in diverse cancers. However, the knowledge of HAND-AS1 in bladder cancer remains largely unknown. The present study aims to investigate the effects and mechanisms of HAND-AS1 in bladder cancer progression. Methods: The expression of lncRNA was analyzed by RT2 lncRNA PCR Arrays. The differential expressed lncRNAs were further verified by qRT-PCR. The relationship between lncRNA expression and clinical features was evaluated with Spearman correlation test. Cell proliferation was measured by MTT assay. Cell apoptosis percentage was detected by ANNEXIN V-PI analysis. The promoter activity was illustrated by Luciferase assay, and the change of microRNA and protein was detected by qRT-PCR and western blot, separately. Results: The expression of HAND2-AS1 declined in bladder cancer and correlated with depth of invasion and grades negatively. Restoration of HAND2-AS1 hampered cell growth by provoking cell apoptosis. Furthermore, one of the HAND2-AS1 sponge, miR-146, was found overexpression in bladder cancer tissue and cell lines. Expression of miR-146 related to HAND2-AS1 expression negatively. One of the targeted genes of miR-146, retinoic acid receptor beta (RARB) was downregulated in bladder cancer. In addition, the expression of RARB related to miR-146 negatively. Lost-of-function and gain-of-function experiments were used to identify the mechanisms underlying association of lncRNA HAND2-AS1: miR-146: RARB. miR-146 targeted RARB directly and hindered RARB-mediate apoptosis. However, the hindrance was impaired by HAND2-AS1 notably. Conclusion: HAND2-AS1 diminished miR-146 expression, thereby releasing the suppression of miR-146 on RARB-mediated apoptosis, promoting bladder cancer regression.
2020-11-18 | GSE140585 | GEO
Project description:To explore the potential involvement of circular RNAs (circRNAs) in pancreatic ductal adenocarcinoma (PDAC) oncogenesis, we conducted circRNA profiling in six pairs of human PDAC and adjacent normal tissue by microarray. Our results showed that clusters of circRNAs were aberrantly expressed in PDAC compared with normal samples, and provided potential targets for future treatment of PDAC and novel insights into PDAC biology. Analyze circular RNA expression in pancreatic ductal adenocarcinoma (PDAC) by microarray platform.
2015-11-20 | E-GEOD-69362 | biostudies-arrayexpress
Project description:Circular RNAs expression profiling in human colorectal cancer
| PRJNA615670 | ENA
Project description:Circular DNA tumor viruses make circular RNAs
| PRJNA483204 | ENA