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Post-transcriptionally regulated genes are essential for pluripotent stem cell survival

ABSTRACT: Post-transcriptionally regulated genes are essential for pluripotent stem cell survival

PROVIDER: PRJNA765014 | ENA |

REPOSITORIES: ENA

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Post-transcriptionally regulated genes are essential for pluripotent stem cell survival

Project description:Post-transcriptionally regulated genes are essential for pluripotent stem cell survival

| PRJNA821543 | ENA

Post-transcriptionally regulated genes are essential for pluripotent stem cell survival

Project description:The effects of transcription factors on the maintenance and differentiation of pluripotent stem cells (PSCs) have been well studied. However, the importance of post-transcriptional regulatory mechanisms, which cause the quantitative dissociation of mRNA and protein expression, is still little known. Here, by combining transcriptome and proteome profiling, we identified 228 post-transcriptionally regulated genes with strict upregulation at the protein amounts in PSCs. Among them, we found that 84 genes were vital for the survival of PSCs and HDFs, including 20 genes that were specifically necessary for the survival of PSCs. These 20 proteins were upregulated only in PSCs and not in differentiated cells derived from the three germ layers. Subcellular fractionation of the mRNA showed that the expression of most of the 20 proteins was regulated at the mRNA localization stage from the nucleus to the cytoplasm, but their translation efficiency was constant. Together, these results revealed that post-transcriptionally regulated genes have a crucial role in PSC survival.

2022-05-10 | GSE184546 | GEO

Post-transcriptionally regulated genes are essential for pluripotent stem cell survival

2022-05-10 | GSE199820 | GEO

ZFP36L2 post-transcriptionally controls acute myeloid leukemia differentiation

Project description:ZFP36L2 post-transcriptionally controls acute myeloid leukemia differentiation

| PRJNA610795 | ENA

The human cholesterogenic enzymes DHCR14 and LBR are differentially regulated transcriptionally and post-translationally

Project description:Cholesterol synthesis is a tightly regulated process, both transcriptionally and post-translationally. Transcriptional control of cholesterol synthesis is relatively well understood. However, of the ~20 enzymes in cholesterol biosynthesis, post-translational regulation has only been examined for a small number. Three of the four sterol reductases, DHCR7, DHCR14 and LBR, share evolutionary ties with a high level of sequence homology and predicted structural homology. Despite their homology and that they uniquely share the same 14 reductase activity in cholesterol biosynthesis, little is known about the post-translational regulation of DHCR14 and LBR. Using CHO-7 cells stably expressing epitope tagged DHCR14 or LBR we investigated the post-translational regulation of these enzymes. We found that DHCR14 and LBR undergo differential post translational regulation, with DHCR14 being rapidly turned over, triggered by cholesterol and other sterol intermediates while LBR remained stable. DHCR14 is degraded via the ubiquitin-proteasome system and we identified several DHCR14 and DHCR7 putative interaction partners including the E3 ligase WWP2, which plays a role in the basal and cholesterol-mediated regulation of DHCR14. Interestingly, we found that gene expression across an array of human tissues showed that the C14-SRs gene expression is negatively related; one enzyme or the other tends to be predominately expressed in each tissue. Overall, our findings indicate that while LBR tends to be the constitutively active C14-SR, DHCR14 levels are tuneable, responding to the local cellular demands for cholesterol.

2020-01-15 | PXD016417 | Pride

ZFP36L2 post-transcriptionally controls acute myeloid leukemia differentiation (MOLM13 HiC)

Project description:ZFP36L2 post-transcriptionally controls acute myeloid leukemia differentiation (MOLM13 HiC)

| PRJNA610800 | ENA

ZFP36L2 post-transcriptionally controls acute myeloid leukemia differentiation (ECCITE-seq)

Project description:ZFP36L2 post-transcriptionally controls acute myeloid leukemia differentiation (ECCITE-seq)

| PRJNA610799 | ENA

ZFP36L2 post-transcriptionally controls acute myeloid leukemia differentiation (ZFP36L2 eCLIP)

Project description:ZFP36L2 post-transcriptionally controls acute myeloid leukemia differentiation (ZFP36L2 eCLIP)

| PRJNA610796 | ENA

ZFP36L2 post-transcriptionally controls acute myeloid leukemia differentiation (MOLM13 ATAC)

Project description:ZFP36L2 post-transcriptionally controls acute myeloid leukemia differentiation (MOLM13 ATAC)

| PRJNA610797 | ENA

Inhibition of Jumonji demethylases transcriptionally reprograms severe cardiac hypertrophy and prolongs survival

Project description:Inhibition of Jumonji demethylases transcriptionally reprograms severe cardiac hypertrophy and prolongs survival

| PRJNA714236 | ENA

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