Unknown,Transcriptomics,Genomics,Proteomics

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Subcellular distribution of RNAs in HeLa cells

ABSTRACT: HeLa cells were fractioned in nucleus and cytoplasm to investigate the subcellular distribution of lncRNAs. Two-condition experiment, nuclear fraction vs. cytoplasmatic fraction from HeLa cells. Biological replicates: 2 with dye-swap

ORGANISM(S): Homo sapiens

SUBMITTER: Eduardo Reis

PROVIDER: E-GEOD-62985 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Project description:Human histomonocytic U937 cells exhibit macrophage-like properties after phorbol ester stimulation. Accumulating evidence demonstrated that remarkable number of transcripts changed in their amount at total RNA levels. However, post-transcriptional regulation has not been fully elucidated in this model. Thus, we compared expression profiles between polysomal and cytoplasmic RNAs before and after phorbol 12-myristate 13-acetate stimulation (48h, 32nM). Table 1: Detailed description of the expression data of human histomonocytic cell line U937 cells. Data of total cytoplasmic and polysomal fractions before and after PMA stimulation is shown. This table contains all spot data except: 1) saturated spots, 2) undetectable spots, 3) stained spots, and 4) spots only detected in less than one samples. Column A: Gene symbol (âI_xxxxxxâ is corresponding to EST clones); Column B: Genbank accession no. Column C: Description; Column D: Average value of expression levels in total cytoplasmic fraction in the absence of PMA; Column E: Average value of expression levels in total cytoplasmic fraction in the presence of PMA (32nM, 48h); Column F: Average value of expression levels in polysomal fraction in the absence of PMA; Column G: Average value of expression levels in polysomal fraction in the presence of PMA; Column H: Expression ratio of polysome, PMA (-) to cytoplasm, PMA(-); Column I: Expression ratio of polysome, PMA (+) to cytoplasm, PMA(+); Column J: Expression ratio of cytoplasm, PMA (+) to cytoplasm, PMA(-); Column K: Expression ratio of polysome, PMA (+) to polysome, PMA(-); Column L: Different expression between polysome, PMA (-) and cytoplasm, PMA(-): different=1; Column M: Different expression between polysome, PMA (+) and cytoplasm, PMA(+): different=1; Column N: Different expression between cytoplasm, PMA (+) and cytoplasm, PMA(-): different=1; Column O: Different expression between polysome, PMA (+) and polysome, PMA(-): different=1; ; Table 2: Candidates post-transcriptionally regulated by PMA. We extracted 105 transcripts whose expression levels were altered only in either fraction accompanied by changes in polysome/cytoplasm expression ratio. Column A: Gene symbol (âI_xxxxxxâ is corresponding to EST clones); Column B: Genbank accession no. Column C: Description; Column D: Average value of expression levels in total cytoplasmic fraction in the absence of PMA; Column E Average value of expression levels in total cytoplasmic fraction in the presence of PMA; Column F: Average value of expression levels in polysomal fraction in the absence of PMA; Column G: Average value of expression levels in polysomal fraction in the presence of PMA; Column H: Expression ratio of polysome, PMA (-) to cytoplasm, PMA(-); Column I: Expression ratio of polysome, PMA (+) to cytoplasm, PMA(+); Column J: Expression ratio of cytoplasm, PMA (+) to cytoplasm, PMA(-); Column K: Expression ratio of polysome, PMA (+) to polysome, PMA(-)

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Subcellular distribution of RNAs in HeLa cells

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