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Serum miRNA profiling by quantitative RT PCR [Validation]

ABSTRACT: Initial screening, the expression of 125 mature miRNA was compared between pooled control and autism samples by two microarray analysis. The differential expression of 14 miRNA was further validated by SYBR green quantitative PCR of Individual samples. Thirteen miRNAs were differentially expressed in autistic individuals compared to the controls (8 upregulated and 5 down regulated). miR-151a-3p, miR-181b-5p, miR-320a, miR-328, miR-433, miR-489, miR-572, and miR-663a were downregulated, while miR-101-3p, miR-106b-5p, miR-130a-3p, miR-195-5p, and miR-19b-3p were upregulated. We have identified a set of serum miRNAs that could be used as non-invasive biomarkers for autism.

ORGANISM(S): Homo sapiens

PROVIDER: GSE58849 | GEO | 2014/06/27

SECONDARY ACCESSION(S): PRJNA253725

REPOSITORIES: GEO

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Serum miRNA profiling by quantitative RT PCR [RT-PCR Array 2]

Project description:Initial screening, the expression of 125 mature miRNA was compared between pooled control and autism samples by two microarray analysis. The differential expression of 14 miRNA was further validated by SYBR green quantitative PCR of Individual samples. Thirteen miRNAs were differetially expressed in autistic individuals compared to the controls (8 upregulated and 5 down regulated). miR-151a-3p, miR-181b-5p, miR-320a, miR-328, miR-433, miR-489, miR-572, and miR-663a were downregulated, while miR-101-3p, miR-106b-5p, miR-130a-3p, miR-195-5p, and miR-19b-3p were upregulated. We have identified a set of serum miRNAs that could be used as non-invasive biomarkers for autism.

2014-06-27 | GSE58848 | GEO

Serum miRNA profiling by quantitative RT PCR [RT-PCR Array 1]

2014-06-27 | GSE58847 | GEO

Gene expression analysis of THP-1 cells (monocytic cell line) transfected with microRNA mimics: let-7d-3p, let-7e-5p,miR-146a-5p,miR-130a-3p, miR-151a-3p.

Project description:In our previous study, hsa-let-7d-3p, hsa-let-7e-5p,hsa-miR-146a-5p,hsa-miR-130a-3p, hsa-miR-151a-3p,were significantly upregulated in the plasma of atopic patients. To study the each function of let-7d-3p, let-7e-5p,miR-146a-5p,miR-130a-3p, miR-151a-3p which are significantly upregulated in the plasma of atopic patients, we performed mimic-transfected THP-1 cells, a mononuclear cell line, and performed comprehensive genetic analysis.

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mRNA expression profile in IL-4-treated macrophages transfected with miR-142-5p ASO or miR-130a-3p mimics

2014-07-12 | GSE59347 | GEO

mRNA expression profile in IL-4-treated macrophages transfected with miR-142-5p ASO or miR-130a-3p mimics

Project description:To identify target genes of miR-142-5p and miR-130a-3p that are involved in M2 polarization, we examined the mRNA expression profile changes after altering miR-142-5p or miR-130a-3p expression in IL-4-treated macrophages. Macrophages were transfected with control ASO, miR-142-5p ASO, control mimics or miR-130-3p mimics using lentiviral vectors. After 24 hr, the cells were treated with IL-4 for 24h.mRNA was purified from total RNA after removal of rRNA (mRNA-ONLY™ Eukaryotic mRNA Isolation Kit, Epicentre). Then, each sample was amplified and transcribed into fluorescent cRNA along the entire length of the transcripts without 3’ bias utilizing a random priming method. The labeled cRNAs were hybridized onto the Human RNA Array v2.0 (8 x 60K, Arraystar). After having washed the slides, the arrays were scanned by the Agilent Scanner G2505B.

2014-07-12 | E-GEOD-59347 | biostudies-arrayexpress

Screening of differentially expressed circulating microRNAs during osteoporosis

Project description:To explore the variation of serum microRNA expression during osteoporosis, we have employed microRNA microarray expression profiling as a discovery platform to identify microRNAs with the potential to diagnose osteoporosis from healthy and osteopenia individuals for clinical use. Whole blood from healthy, osteopenic and osteoporotic donors was collected, and the sera were separated. Twenty two microRNAs (miR-15a-5p, miR-29b-5p, miR-30c-2-3p, miR-145-5p, miR-199a-5p, miR-301a-3p, miR-424-5p, miR-497-5p, miR-526b-5p, miR-550a-5p, miR-575, miR-654-5p, miR-663a, miR-708-5p, miR-877-3p, miR-1246, miR-1260b, miR-1299, miR-1323, miR-4447, miR-4769-3p and miR-5685) were finally used for further detection of osteoporosis diagnosis.

2019-12-08 | GSE91033 | GEO

217CLL

Project description:In this study we compared the miRNA expression profile of 217 CLL cases versus various normal B cell subpopulations in the attempt of finding the normal cell subset most similar to CLL cells and gain information on possible miRNA deregulations. Our analyses indicated that CLL cells exhibited a miRNA expression pattern close to memory and marginal zone-like B cells. Conversely, tonsil GC and CD19+ peripheral blood B cells appeared only distantly related to CLL. Memory and marginal zone B cells were used as reference to identify differentially expressed miRNAs in CLL, which included miR-193b, miR-33b*, miR-365, miR-181b and miR-196a/b among the down-regulated and miR-23a/b, miR-26a, miR-130a, miR-532 (5p and 3p) among the up-regulated miRNAs. We also investigated differences of miRNA expression related to the IGHV somatic mutation status and to deletions at 13q, 11q and 17p or trisomy 12. Little differences were detected between unmutated (UM) versus mutated (M) CLLs, although miR-29c, miR-29c* and miR-146b were strongly down-modulated in the UM-CLL subgroup. Each of the cytogenetic classes of CLL was characterized by uniquely abnormally expressed miRNAs. Deletion at 13q displayed a reduced expression of miR-16, more evident if the deletion was biallelic. Deletion of 17p was characterized by the strong reduction of miR-34a expression and up-regulation of miR-96. Deletion at 11q was characterized by the up-regulation of miR-338-3p and miR-769-5p. Trisomy 12 was characterized by a strong down-regulation of miR-483-5p.

2014-03-01 | E-MTAB-1454 | biostudies-arrayexpress

Analysis of miRNA expression patterns in tetracycline (Tet) inducible Scl/tTA-BCR/ABL (Scl-BA) transgenic mouse hematopoietic stem-progenitor cells.

Project description:To further define the roles of miRNAs in the pathogenesis of CML, we have employed miRNA microarray expression profiling as a discovery platform to identify miRNAs with the potential to drive or accelerate CML progression. Hematopoietic stem-progenitor cells miRNA profiles of BA mice after BCR/ABL expression induced for 0 week and 3 weeks were generated by miRNA microarray. Expression of six miRNAs (miR-126a-3p, miR-130a-3p,miR-142a-5p, miR-142a-3p, miR-29c-3p and miR-30c-5p) from this signature was quantified in the same RNA samples by real-time PCR, confirming low variability in BCR/ABL expressing cells.

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2017-10-18 | E-GEOD-105052 | biostudies-arrayexpress

Differentially expressed genes after miRNA or siRNA transfection in human cancer cell lines II

Project description:To identify differentially expressed genes by anti cancer treatments (microRNAs or siRNAs) in human cancer, several cell lines (pancreatic cancer, esophageal cancer, bladder cancer, prostate cancer, renal cell carcinoma and lung squamous cell carcinoma) were subjected to Agilent whole genome microarrays. Human cell lines (Panc-1, sw1990, TE8, TE9, A549, MRC-5, BOY, T24, PC3, C4-2, 786-O, A-498 and EBC-1) were treated with miRNAs (miR-375, miR-29a, miR-26a, miR-145-5p, miR-145-3p, miR-218, miR-320a), siRNAs (si-MMP11, si-LAMP1, si-LOXL2, si-PLOD2, si-UHRF1, and si-FOXM1).

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