GEO DataSets

(Submitter supplied) Effect of MCPIP1 knockdown on miRNA expression profile.

Organism:

Homo sapiens; Human alphaherpesvirus 1; Human betaherpesvirus 5; Betapolyomavirus hominis; Murid gammaherpesvirus 4; Mus musculus; Rattus norvegicus; Murid betaherpesvirus 1; JC polyomavirus; Human immunodeficiency virus 1; Human gammaherpesvirus 8; human gammaherpesvirus 4; Betapolyomavirus macacae

Type:

Non-coding RNA profiling by array

Platform:

GPL7723

2 Samples

Download data: TXT

(Submitter supplied) Biogenesis of canonical microRNAs (miRNAs) involves multiple steps: nuclear processing of primary miRNA (pri-miRNA) by DROSHA, nuclear export of precursor miRNA (pre-miRNA) by Exportin 5 (XPO5), and cytoplasmic processing of pre-miRNA by DICER. To gain a deeper understanding of the contribution of each of these maturation steps, we deleted DROSHA, XPO5, and DICER in the same human cell line, and analyzed their effects on miRNA biogenesis. more...

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL15520

9 Samples

Download data: TXT

(Submitter supplied) MicroRNAs (miRNAs), including host miRNAs and viral miRNAs, play vital roles in regulating host-virus interactions. DNA viruses encode miRNAs that regulate the viral life cycle. However, it is generally believed that cytoplasmic RNA viruses do not encode miRNAs, owing to inaccessible cellular miRNA processing machinery. Here, we provide a comprehensive genome-wide analysis and identification of miRNAs that were derived from hepatitis A virus (HAV; Hu/China/H2/1982), which is a typical cytoplasmic RNA virus. more...

Organism:

Homo sapiens; Hepatovirus A

Type:

Non-coding RNA profiling by high throughput sequencing

Platforms:

GPL18215 GPL11154

2 Samples

Download data: FA

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platforms:

GPL11154 GPL15520

8 Samples

Download data: TXT

(Submitter supplied) The Lupus autoantigen (La) is a single-stranded RNA-binding protein that stabilizes RNA polymerase III (pol III) transcripts and supports RNA folding. In addition, La has been implicated in different steps of the mammalian small RNA pathway. Here, we have analyzed effects of La depletion on the Argonaute (Ago)-bound small RNAs in human cells. We find that in the absence of La, distinct tRNA fragments are loaded into Ago protein complexes and our data suggests that La prevents the production and loading of such tRNA fragments. more...

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL11154

4 Samples

Download data: TXT

(Submitter supplied) The Lupus autoantigen (La) is a single-stranded RNA-binding protein that stabilizes RNA polymerase III (pol III) transcripts and supports RNA folding. In addition, La has been implicated in different steps of the mammalian small RNA pathway. Here, we have analyzed effects of La depletion on the Argonaute (Ago)-bound small RNAs in human cells. We find that in the absence of La, distinct tRNA fragments are loaded into Ago protein complexes and our data suggests that La prevents the production and loading of such tRNA fragments. more...

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL15520

4 Samples

Download data: TXT

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL24676

20 Samples

Download data: TSV

(Submitter supplied) Dicer plays a key role in small RNA biogenesis by processing double-stranded RNAs (dsRNAs). Human DICER (hDICER) is specialized in processing of small hairpins such as pre-microRNAs (pre-miRNAs) with a limited activity towards long dsRNAs, unlike its homologs in lower eukaryotes and plants which cleave long dsRNAs. While the mechanism of long dsRNA cleavage has been well documented, our understanding of pre-miRNA processing is limited due to lack of the structure of hDICER in a catalytic state. more...

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL24676

8 Samples

Download data: TSV

(Submitter supplied) Dicer plays a key role in small RNA biogenesis by processing double-stranded RNAs (dsRNAs). Human DICER (hDICER) is specialized in processing of small hairpins such as pre-microRNAs (pre-miRNAs) with a limited activity towards long dsRNAs, unlike its homologs in lower eukaryotes and plants which cleave long dsRNAs. While the mechanism of long dsRNA cleavage has been well documented, our understanding of pre-miRNA processing is limited due to lack of the structure of hDICER in a catalytic state. more...

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL24676

12 Samples

Download data: TSV

(Submitter supplied) A hallmark of RNA silencing is a class of ~22 nt RNAs which are processed from dsRNA precursor by Dicer. Accurate processing by Dicer is critical for the functionality of microRNAs (miRNAs). According to the current model, Dicer measures the length by anchoring the 3' overhang of the dsRNA terminus. Here we find that human Dicer binds to the 5' end of RNA and utilizes the 5' end as an additional reference point for cleavage site selection (5' counting rule). more...

Organism:

Mus musculus

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL9250

5 Samples

Download data

(Submitter supplied) MiRNA isoforms (isomiRs) are single stranded small RNAs originating from the same pri-miRNA hairpin as a result of cleavage by Drosha and Dicer enzymes. Variations at the 5’-end of a miRNA alter the seed region of the molecule, thus affecting the targetome of the miRNA. MDA-MB-231 cells were transduced with shRNAs against ELOVL5 and luciferase genes. Small RNA sequencing was used to study the cleavage profiles of shRNAs.

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL21697

2 Samples

Download data: CSV

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL24676

30 Samples

Download data: TSV

(Submitter supplied) RNA silencing relies on specific and efficient processing of dsRNA by DICER which produces microRNAs (miRNAs) and small interfering RNAs (siRNAs). However, our current knowledge of DICER’s specificity is restricted to the secondary structures of its substrates: a dsRNA than 22 bp with a 2-nt 3′ overhang. We recently found evidence pointing to additional sequence-dependent determinant(s) beyond these features. more...

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL24676

12 Samples

Download data: TSV

(Submitter supplied) RNA silencing relies on specific and efficient processing of dsRNA by DICER which produces microRNAs (miRNAs) and small interfering RNAs (siRNAs). However, our current knowledge of DICER’s specificity is restricted to the secondary structures of its substrates: a dsRNA than 22 bp with a 2-nt 3′ overhang. We recently found evidence pointing to additional sequence-dependent determinant(s) beyond these features. more...

Organism:

Homo sapiens

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL24676

18 Samples

Download data: TSV

(Submitter supplied) Dicer is an RNase III-family endoribonuclease and haploinsufficient tumor suppressor that is required for the biogenesis of miRNAs, yet in vivo structure-function characterization of its RNase IIIA and IIIB domains have not been reported. In murine Dicer knockout fibroblasts, we expressed human Dicer with point mutations in the RNase III, helicase, and PAZ domains and characterized miRNA expression by Northern blot and massively parallel sequencing of small RNAs. more...

Organism:

Mus musculus

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL13112

16 Samples

Download data: TXT

(Submitter supplied) DICER1 plays a critical role in microRNA (miRNA) biogenesis. Recurrent somatic “hotspot” mutations at four mental binding sites within the RNase IIIb domain of DICER1, were identified in ovarian sex cord-stromal tumors and have since been described in other pediatric tumors. In this study, we identified and characterized DICER1 hotspot mutations in endometrial cancers derived from The Cancer Genome Atlas (TCGA) and our local tumor bank. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL10787

12 Samples

Download data: TXT

(Submitter supplied) Bone marrow (BM) cells were obtained by flushing the long bones of 8-week old C57BL/6 mice. BM cells were then were plated in macrophage SFM medium (Life Technologies) supplemented with penicillin-streptomycin and CSF-1 (Peprotech, 100 ng/ml) and cultured for one week to allow macrophage differentiation. BMDMs were polarized by adding IL-4 to the medium (40 ng/ml, Peprotech) for 72h or left untreated.

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing; Non-coding RNA profiling by high throughput sequencing

Platform:

GPL17021

8 Samples

Download data: GTF, TXT

(Submitter supplied) we resolved precusor let7 (pre-let-7) and human Dicer-TRBP complex bound precusor let7 (hDicer-TRBP-pre-let-7) secondary structure based on in vivo click selective 2'-hydroxyl acylation and profiling experiment (icSHAPE). We found the free pre-let-7 RNA is more flexible comparing with hDicer-TRBP-pre-7 in the double strand region [10-20nt and 50- 60 nt].

Organism:

Homo sapiens

Type:

Expression profiling by high throughput sequencing

Platform:

GPL20795

4 Samples

Download data: TXT

(Submitter supplied) MicroRNAs (miRNAs) are a family of short, noncoding RNAs that regulate translation of mRNAs by mechanisms involving the binding of complementary sequences. The influence of miRNAs on the proteome and cellular events is extensive as they regulate an estimated 60% of the transcriptome and play key roles in differentiation, plasticity, circadian rhythm, immunity, and disease. The post-transcriptional biogenesis of most miRNAs involves a sequential cleavage process mediated by RNase III family enzymes. more...

Organism:

Mus musculus

Type:

Non-coding RNA profiling by array

Platform:

GPL8824

4 Samples

Download data: TXT

(Submitter supplied) MicroRNAs (miRNAs) are small regulatory RNAs processed from stem-loop regions of primary transcripts (pri-miRNAs), with the choice of stem-loops for initial processing largely determining what becomes a miRNA. To identify sequence and structural features influencing this choice, we determined cleavage efficiencies of >50,000 variants of three human pri-miRNAs, focusing on the regions intractable to previous high-throughput analyses. more...

Organism:

Homo sapiens; synthetic construct

Type:

Other; Non-coding RNA profiling by high throughput sequencing; Expression profiling by high throughput sequencing

Platforms:

GPL11154 GPL15228

22 Samples

Download data: FASTA, TXT, XLSX