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CNOT6L Couples the Selective Degradation of Maternal Transcriptsto Meiotic Cell Cycle Progression in Mouse Oocyte

ABSTRACT: CNOT6L Couples the Selective Degradation of Maternal Transcriptsto Meiotic Cell Cycle Progression in Mouse Oocyte

PROVIDER: PRJNA486092 | ENA |

REPOSITORIES: ENA

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CNOT6L Couples the Selective Degradation of Maternal Transcriptsto Meiotic Cell Cycle Progression in Mouse Oocyte [total RNA-seq]

Project description:Purpose: The goals of this study are to study the function of Cnot6l during oocyte maturation and the differences between loss of Cnot6l and Btg4 during oocyte maturation. Methods:Comparing the degration of transcripts at different stage in WT, Btg4-/- and Cnot6l-/- oocytes by RNA sequencing. Results: Using an optimized data analysis workflow, we mapped about 15 million sequence reads per sample to the mouse genome (build mm9) and identified 23236 transcripts with TopHat workflow. Conclusions: CNOT6L stimulated degradation of maternal transcriptsto oocyte meiotic maturation.

2018-11-23 | GSE118562 | GEO

CNOT6L Couples the Selective Degradation of Maternal Transcriptsto Meiotic Cell Cycle Progression in Mouse Oocyte [polysome RNA-seq]

Project description:Purpose: The goals of this study are to study the function of Cnot6l during oocyte maturation . Methods: Comparing the polysome-bounded transcripts at GV, MI and MII stage in WT and Cnot6l-/- oocytes by RNA sequencing. Results: Using an optimized data analysis workflow, we mapped about 15 million sequence reads per sample to the mouse genome (build mm9) and identified 23236 transcripts with TopHat workflow. Conclusions: CNOT6L stimulated degradation of maternal transcriptsto oocyte meiotic maturation.

2018-11-23 | GSE118563 | GEO

CNOT6L Couples the Selective Degradation of Maternal Transcriptsto Meiotic Cell Cycle Progression in Mouse Oocyte [total RNA-seq]

Project description:CNOT6L Couples the Selective Degradation of Maternal Transcriptsto Meiotic Cell Cycle Progression in Mouse Oocyte [total RNA-seq]

| PRJNA486094 | ENA

CNOT6L Couples the Selective Degradation of Maternal Transcriptsto Meiotic Cell Cycle Progression in Mouse Oocyte [polysome RNA-seq]

Project description:CNOT6L Couples the Selective Degradation of Maternal Transcriptsto Meiotic Cell Cycle Progression in Mouse Oocyte [polysome RNA-seq]

| PRJNA486095 | ENA

CNOT6L Couples Selective Maternal Transcript Degradation to Meiotic Cell Cycle Progression in Oocyte

Project description: Not available

| S-SCDT-EMBOJ-2018-99333 | biostudies-other

CNOT6L couples the selective degradation of maternal transcripts to meiotic cell cycle progression in mouse oocyte.

Project description: Not available

| S-EPMC6293276 | biostudies-literature

LSM14B is essential for oocyte meiotic maturation by regulating maternal mRNA storage and clearance

Project description:Fully grown oocytes remain transcriptionally quiescent, yet many maternal mRNAs are synthesized and retained in growing oocytes. We now know that maternal mRNAs are stored in a structure called the mitochondria associated ribonucleoprotein domain (MARDO). But the components and functions of MARDO remain elusive. Here, we found that LSM14B knockout prevents the proper storage and timely clearance of mRNAs (including Cyclin B1, Btg4, and other mRNAs that are translationally activated during meiotic maturation), specifically by disrupting MARDO assembly during oocyte growth and meiotic maturation. With decreased levels of storage and clearance, the LSM14B knockout oocytes failed to enter meiosis II, ultimately resulting in female infertility. Our results demonstrate the function of LSM14B in MARDO assembly, couple the MARDO with mRNA clearance and oocyte meiotic maturation

2023-10-17 | PXD042761 | Pride

CNOT6L Couples the Selective Degradation of Maternal Transcriptsto Meiotic Cell Cycle Progression in Mouse Oocyte

Project description:This SuperSeries is composed of the SubSeries listed below.

2018-11-23 | GSE118564 | GEO

LSM14B is essential for oocyte meiotic maturation by regulating maternal mRNA storage and clearance

2023-10-15 | GSE231648 | GEO

Granulosa cell mevalonate pathway abnormalities contribute to oocyte meiotic defects and aneuploidy [RNA-seq mouse oocyte]

Project description:The mechanisms of oocyte meiotic defects and low competence during ovarian aging remains elusive for decades. Using Hi-C (genome-wide chromatin conformation capture) and Smart RNA-seq of oocytes from 6- weeks or 10- months aged ovaries, the abnormal loose chromatin structures and disturbing expression of meiosis associated genes at metaphase I phase were disclosed. Furthermore, the transcriptomic landscape of granulosa cells (GCs) surrounding oocytes from young and aged ovaries reveled that oocyte meiotic maturation was accompanied with a robust increased expression of genes involved with the mevalonate (MVA) pathway in GCs from young ovaries but these genes expression was not upregulated to counterpart level in GCs from aged ovaries.The inhibitor of MVA pathway of GCs, Statins significantly decreased polar body extrusion rate and increased the rate of irregularly assembled spindles and misaligned chromosomes remarkably in oocytes of culumus-oocyte complex (COCs) from young ovaries . Correspondingly, the activitor of MVA pathway of GCs, Geranylgeraniol ameliorated ovarian reserve and reduced meiotic defects in oocytes of COCs from aged ovaries. Mechanistically, MVA pathway activation in GCs culminated oocyte meiotic maturation by upregulating EGF signaling via LH receptor on GCs surrounding oocytes. Together, MVA pathway is a promising therapeutic target for prompting quality of oocytes from aged ovaries.

2023-02-26 | GSE175835 | GEO

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