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MRNA profiling of LNCaP cells treated with miR-31

ABSTRACT: To determine the altered microRNA expression signature in human prostate cancer compared to benign prostate tissue. To determine the altered mRNA expression signatures upon overexrpession miR-31 in prostate cancer cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE36801 | GEO | 2013/02/05

SECONDARY ACCESSION(S): PRJNA156857

REPOSITORIES: GEO

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mRNA profiling of LNCaP cells treated with miR-31

Project description:To determine the altered microRNA expression signature in human prostate cancer compared to benign prostate tissue. To determine the altered mRNA expression signatures upon overexrpession miR-31 in prostate cancer cells. Two condition experiments:1) Total RNA from 21 pairs of prostate cancers and matched benign prostate tissues were collected and processed for microRNA detection. 2) In LNCaP prostate cancer cells, miR-31 was overexpressed and compared to control miR-NC.

2013-02-05 | E-GEOD-36801 | biostudies-arrayexpress

microRNA profiling in paired human prostate cancer and benign prostate tissue

2013-02-05 | GSE36802 | GEO

microRNA profiling in paired human prostate cancer and benign prostate tissue

2013-02-05 | E-GEOD-36802 | biostudies-arrayexpress

PETACC-8 miR-31-3p and miR-31-5p Ancillary Study

Project description:This is a prospective-retrospective study to determine if the expression of the miRNA’s miR-31-3p and miR-31-5p are prognostic of patient outcomes or predictive of the benefit from anti-EGFR therapy in stage III Colon Cancer. The present study will utilize FFPE tumor samples collected from patients enrolled in the PETACC-8 study conducted by the Fédération Francophone de Cancérologie Digestive (FFCD). This phase 3 clinical trial prospectively randomized fully resected stage III colon cancer patients to receive adjuvant treatment with either FOLFOX-4 plus cetuximab or FLOFOX-4 alone.

| 2260465 | ecrin-mdr-crc

Gene expression analyses of mir-31 overexpression in ovarian serous cancer cell line

Project description:A variety of human cancers demonstrate alterations in microRNA expression. We hypothesized that regulatory defects in microRNAs play a central early role in organizing the molecular changes involved in ovarian cancer (OvCa). Using both gene arrays and deep sequencing, we comprehensively profiled mRNA and microRNA expression, respectively, in human serous epithelial OvCa cell lines, serous tumors, and short-term primary cultures of normal ovarian surface epithelium (NOSE). We expected that over-expression of a specific microRNA would lead to lower expression of its mRNA targets, and under-expression of a specific microRNA would lead to higher expression of its target genes. Using our expression data in conjunction with established in silico algorithms, we found putative microRNA:mRNA functional pairs. Furthermore, gene expression profiles were taken of serous cultures having functional knockdown or over-expression of specific microRNAs of interest. Over-expression of mir-31 (found under-expressed in serous OvCa) resulted in down-regulation in vitro of a significant number of the in silico predicted mir-31 target genes. Keywords: two group comparison

2010-02-25 | GSE16700 | GEO

Hsa-miR-31-5p controls a metabolic switch in psoriatic keratinocytes that identifies therapeutic intervention

Project description:Next to genetic alterations, it is being recognized that the cellular environment also acts as a major determinant in onset and progression of disease. In cases where different cell types contribute to the final disease outcome, this imposes environmental challenges as different cell types likely differ in their extracellular dependencies. A number of skin diseases, including psoriasis is characterized by a combination of keratinocyte hyperproliferation and immune cell activation. Activation of immune cells involves increased glucose consumption thereby intrinsicly limiting glucose availability for other cell types. Thus, these type of skin diseases require metabolic adaptations that enable coexistence between hyperproliferative keratinocytes and activated immune cells in a nutrient-limited environment. Hsa-microRNA-31-5p (miR-31) is highly expressed in keratinocytes within the psoriatic skin. Here we show that miR-31 expression in keratinocytes is induced by limited glucose availability and enables increased survival of keratinocytes under limiting glucose conditions, by increasing glutamine metabolism. In addition, miR-31 induced glutamine metabolism results in secretion of specific metabolites (aspartate and glutamate) but also secretion of immuno-modulatory factors. We show that this miR-31-induced secretory phenotype is sufficient to induce Th17 cell differentiation, a hallmark of psoriasis. Inhibition of glutaminase (GLS) using CB-839 impedes miR31-induced metabolic rewiring and secretion of immuno-modulatory factors. Concordantly, pharmacological targeting of GLS alleviated psoriasis pathology in a mouse model of psoriasis. Together our data illustrate an emerging concept of metabolic interaction across cell compartments that characterizes disease development, which can be employed to design effective treatment options for disease, as shown here for psoriasis.

2023-02-06 | PXD029030 | Pride

Colonic miR-31 is a molecular stratifier and prognostic determinant of Crohn’s disease [adult]

Project description:The clinical course of Crohn's disease (CD) is highly heterogeneous, confounding effective personalized therapy. There is a critical need to better understand the cellular mechanisms responsible for the variability in disease presentation and response to therapeutic modalities. We carried out whole transcriptome profiling in colon tissue from adult CD patients and controls and found that CD patients segregate into the same two molecular subtypes based on mRNA, long non-coding RNA, or microRNA profiles. MicroRNA-31 (miR-31) in colonic epithelium was identified as a primary contributor to this molecular stratification. We further performed small RNA-seq on formalin-fixed paraffin embedded colon and ileum biopsies obtained at the time of diagnosis from 130 treatment-naïve pediatric CD patients and controls. Colonic expression of miR-31 in pediatric patients was identified as predictive of either medically refractory rectal CD or fibrostenotic ileal CD. Our study reveals miRNAs as important molecular stratifiers and prognostic determinants of CD subtypes.

2018-10-01 | GSE101816 | GEO

Abrogation of esophageal carcinoma development by miR-31 genetic knockout

Project description:Transcriptomics analyses in these Zn-deficient rats revealed the molecular basis of ESCC abrogation by miR-31 knockout: Egln3, a negative regulator of NF-FB, was shown to be a direct miR-31 target; miR-31 inhibition/deletion resulted in suppression of miR-31-associated-EGLN3-NF-KB controlled inflammatory pathways.

2020-03-30 | GSE140190 | GEO

CDK13 upregulation-induced formation of the positive feedback loop among circCDK13, miR-212-5p/miR-449a and E2F5 contributes to prostate carcinogenesis

Project description:To study the differential expression of genes in prostate cancer tissue and benign prostatic hyperplasia

2022-09-01 | GSE154075 | GEO

Lentiviral expression of MiR-31 in CD8 T-cells.

Project description:Purpose: identify genes regulated by expression of miR-31 in primary mouse CD8 T-cells by exogenously expressing pre-miR-31 from the Plko.3g lentiviral vector. Cells infected with empty Plko.3g vectors were used as controls for infection.

2015-11-01 | GSE63549 | GEO

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