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Homo sapiens

ABSTRACT: Integrative AUF1 PAR-CLIP analysis uncovers AUF1 roles in translation and genome integrity (Ribosome)

PROVIDER: PRJNA230610 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1042900.fastq.gz	Fastqsanger.gz
	SRR1042901.fastq.gz	Fastqsanger.gz
	SRR1042902.fastq.gz	Fastqsanger.gz

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Homo sapiens

Project description:Integrative AUF1 PAR-CLIP analysis uncovers AUF1 roles in translation and genome integrity (PAR-CLIP)

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Project description:Integrative AUF1 PAR-CLIP analysis uncovers AUF1 roles in translation and genome integrity (RNA-Seq 2)

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Project description:Integrative AUF1 PAR-CLIP analysis uncovers AUF1 roles in translation and genome integrity (RNA-Seq 1)

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Integrative AUF1 PAR-CLIP analysis uncovers AUF1 roles in translation and genome integrity (PAR-CLIP)

Project description:We report that AUF1 modulates global mRNA stability and translation, in turn promoting the maintenance of DNA integrity. Please see individual series. In short, for AUF1 PAR-CLIP, the four isoforms of AUF1 (p37, p40, p42, and p45) tagged with a Flag epitope were expressed in HEK293 cells. For total RNA-Seq HEK293 cells were transfected with Control siRNA, AUF1 siRNA, Empty Vector, Flag-AUF1 p37, p40, p42, or p45 as well as WI-38 cells were collected at PDL 15 and 55 and also transfected with Control siRNA, AUF1 siRNA, HuR siRNA. For Ribo-Seq HeLa cells were transfected with Control siRNA, AUF1 siRNA, or HuR siRNA.

2014-11-05 | E-GEOD-52971 | biostudies-arrayexpress

Integrative AUF1 PAR-CLIP analysis uncovers AUF1 roles in translation and genome integrity (RNA-Seq 2)

2014-11-04 | E-GEOD-52975 | biostudies-arrayexpress

Integrative AUF1 PAR-CLIP analysis uncovers AUF1 roles in translation and genome integrity (RNA-Seq 1)

Project description:We report that AUF1 modulates global mRNA stability and translation, in turn promoting the maintenance of DNA integrity. Please see individual series. For AUF1 PAR-CLIP, the four isoforms of AUF1 (p37, p40, p42, and p45) tagged with a Flag epitope were expressed in HEK293 cells. For total RNA-Seq HEK293 cells were transfected with Control siRNA, AUF1 siRNA, Empty Vector, Flag-AUF1 p37, p40, p42, or p45 as well as WI-38 cells were collected at PDL 15 and 55 and also transfected with Control siRNA, AUF1 siRNA, HuR siRNA. For Ribo-Seq HeLa cells were transfected with Control siRNA, AUF1 siRNA, or HuR siRNA.

2014-11-04 | E-GEOD-52973 | biostudies-arrayexpress

Integrative AUF1 PAR-CLIP analysis uncovers AUF1 roles in translation and genome integrity (Ribosome)

Project description:We report that AUF1 modulates global mRNA stability and translation, in turn promoting the maintenance of DNA integrity. Please see individual series. In short, For AUF1 PAR-CLIP, the four isoforms of AUF1 (p37, p40, p42, and p45) tagged with a Flag epitope were expressed in HEK293 cells. For total RNA-Seq HEK293 cells were transfected with Control siRNA, AUF1 siRNA, Empty Vector, Flag-AUF1 p37, p40, p42, or p45 as well as WI-38 cells were collected at PDL 15 and 55 and also transfected with Control siRNA, AUF1 siRNA, HuR siRNA. For Ribo-Seq HeLa cells were transfected with Control siRNA, AUF1 siRNA, or HuR siRNA.

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LARP1 mRNP scaffolds mTORC1 to stimulate translation initiation of an essential class of mRNAs

Project description:The RNA biding protein, LARP1, has been proposed to function downstream of mTORC1 to positively regulate the translation of 5M-bM-^@M-^YTOP mRNAs such as ribosome protein (RP) mRNAs. However, its regulatory roles in mTORC1-mediated translation remain unclear. PAR-CLIP of LARP1 revealed its direct and dynamic interactions with RP mRNAs through pyrimidine-enriched sequences in the 5M-bM-^@M-^YUTR of RP mRNAs when mTOR activity is inhibited. Importantly, this LARP1 is a direct substrate of mTORC1 and S6K1/Akt, and phosphorylated LARP1 scaffolds mTORC1 on translation-competent mRNAs to facilitate 4EBP1 and S6K1 phosphorylation. Ablation of LARP1 causes multiple defects in the processes of translation including abnormal eIF4G1 interaction with RP mRNAs and inefficient RP mRNA elongation thereby reducing ribosome biogenesis and cell proliferation. These observations illustrate that LARP1 functions both an effector and a regulator for local mTORC1 activity, and acts as a molecular switch for ribosome biogenesis by sensing growth factor/nutrient signaling. LARP1-bound RNA regions were sequenced from HEK293T cells under growing or mTOR-inactive conditions. In parallel, mRNA abundance was quantified, in biological duplicate, from HEK293T cells under the same conditions.

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Integrative AUF1 PAR-CLIP analysis uncovers AUF1 roles in translation and genome integrity (Ribosome)

Project description:We report that AUF1 modulates global mRNA stability and translation, in turn promoting the maintenance of DNA integrity.

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