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Mus_Oocyte_LC-MS/MS-mRBPome capture of oocytes identifies the RNA-binding protein LSM14B, an essential regulator of meiosis in mouse oocytes

ABSTRACT: A quantitative mass-spectrometry-based proteome profiles of oocytes in WT and Lsm14b KO mouse

INSTRUMENT(S): LTQ Orbitrap Velos

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): Cell Culture, Oocyte

SUBMITTER: Li Hui

LAB HEAD: Su you-qiang

PROVIDER: PXD034070 | Pride | 2023-07-20

REPOSITORIES: Pride

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			Action	DRS
	20P06130006.raw	Raw
	20P06130010.raw	Raw
	20P06130014.raw	Raw
	20P0613_1.raw	Raw
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Publications

LSM14B is an Oocyte-Specific RNA-Binding Protein Indispensable for Maternal mRNA Metabolism and Oocyte Development in Mice.

Li Hui H Zhao Hailian H Yang Chunhui C Su Ruibao R Long Min M Liu Jinliang J Shi Lanying L Xue Yuanchao Y Su You-Qiang YQ

Advanced science (Weinheim, Baden-Wurttemberg, Germany) 20230421 18

Mammalian oogenesis features reliance on the mRNAs produced and stored during early growth phase. These are essential for producing an oocyte competent to undergo meiotic maturation and embryogenesis later when oocytes are transcriptionally silent. The fate of maternal mRNAs hence ensures the success of oogenesis and the quality of the resulting eggs. Nevertheless, how the fate of maternal mRNAs is determined remains largely elusive. RNA-binding proteins (RBPs) are crucial regulators of oogenesi ...[more]

PMID: 37083226

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Mus_Oocytes _LC-MS/MS - Oocyte stage-specific effects of MTOR determine granulosa cell fate and oocyte quality in mice

Project description:A quantitative mass-spectrometry-based proteome profiles of oocytes

2018-10-24 | PXD006408 | Pride

Mouse，oocyte ，LC-MS/MS-mRBPome capture of oocytes identifies the RNA-binding protein LSM14B,an essential regulator of meiosis in mouse oocytes

Project description:proteins from immunoprecipitation (IP) of LSM14B indentified by mass spectrometry

2023-07-20 | PXD034185 | Pride

The methyltransferase Setdb1 is essential for meiosis and mitosis in mouse oocytes and early embryo

Project description:Oocytes develop the competence for meiosis and early embryogenesis during their growth. Setdb1 is a histone H3 lysine 9 (H3K9) methyltransferase required for post-implantation development and has been implicated in the transcriptional silencing of genes and endogenous retroviral elements (ERVs). To address its role in oogenesis and pre-implantation development, we conditionally deleted Setdb1 in growing oocytes. Loss of Setdb1 expression greatly impaired meiosis. It delayed meiotic resumption, altered the dynamics of chromatin condensation, and impaired kinetochore-spindle interactions, bipolar spindle organization, and chromosome segregation in more mature oocytes. The observed phenotypes related to changes in abundance of specific transcripts in mutant oocytes. Setdb1 maternally deficient embryos arrested during pre-implantation development and showed comparable defects during cell cycle progression and in chromosome segregation. Finally, transcriptional profiling data indicate that Setdb1 down-regulates rather than silences expression of ERVK and ERVL-MaLR retrotransposons and associated chimearic transcripts during oogenesis. Our results identify Setdb1 as a novel meiotic and embryonic competence factor in meiosis and mitosis, safeguarding genome integrity at the onset of life. We performed expression profiling on pools of 16 denuded GV-oocytes isolated per mouse. We used oocytes from 4 Setdb1 f/+; Zp3-cre mice and 2 Setdb1 f/- mice as controls and oocytes from 4 Setdb1 f/-; Zp3-cre mice as mutant.

2016-06-27 | E-GEOD-82002 | biostudies-arrayexpress

Proteomic-based identification of oocyte maturation-related proteins in mouse GV oocytes

Project description:In this study, we applied 1D SDS-PAGE and RP-LC-MS/MS to investigate the proteins stored in GV mouse oocytes. This high-performance strategy allowed us to define a set of 1405 different mouse GV oocyte proteins. It is confirmed that this study will help us to understand the diverse biological processes occurring in mouse oocytes and during early embryo development. However, compared with proteomic analysis of other cells and tissues, such as embryonic stems from cells and liver, the proteins identified in mature mouse oocytes were limited. This was mainly due to the fact that oocytes obtained from each mouse were very limited. We believe that the catalog of maternal proteins presented in this article is a starting point and we anticipate that more researches on the oocyte proteome will deduce most of the maternal proteins.

2020-09-17 | PXD014314 | Pride

Quantitative proteomic analysis of oocytes from high-fat diet (HFD)-fed and normal diet mice

Project description:In order to establish an obese mouse model, female mice were continuously fed with a high-fat diet (HFD) or a normal diet (control) for 16 weeks beginning at three weeks of age. In this paper, these mice are termed ‘HFD mice’ and ‘control mice’, respectively. Accordingly, we call their oocytes ‘HFD oocytes’ and ‘control oocytes’. Substantial evidence indicates that the effects of maternal obesity on embryo/offspring development can be attributed to factors within the oocyte (9). To identify such potential effectors, we performed a comparative proteomic analysis of ovulated MII oocytes from control and HFD mice.

2018-05-24 | PXD006641 | Pride

Microarray data of prepubertal, peripubertal, and adult oocytes, and from GV and MII oocytes matured in vivo or in vitro

Project description:Expression data from prepubertal, peripubertal, and adult derived mouse oocytes, and from germinal vesicle (GV), in vivo matured, and in vitro matured mouse oocytes. Oocytes derived from prepubertal females, or oocytes matured in vitro, are less developmentally competent compared to adult derived, or in vivo matured, oocytes, indicated by decreased embryonic development. One potential mechanism for decreased developmental potetential in prepubertal or in vitro matured oocytes is inadequate or inappropriate RNA degradation during oocyte maturation (progression from GV to MII). To investigate mechanisms involved in establishing oocyte cytoplasmic maturation and developmental competence, Affymetrix GeneChip microarrays were used. Keywords: Oocyte developmental competence The study encompassed three experimental designs using female B6D2F1 mice: 1) In vitro matured oocytes were obtained from d20 (prepubertal), d26 (peripubertal), and 7-8 wk old (adult) mice; 2) in vivo and in vitro matured oocytes were obtained from d26 mice; and 3) GV, in vivo matured, and in vitro matured oocytes were obtained from 7-8 wk old mice. RNA was extracted from pools of 150 oocytes and hybridized onto the Affymetrix microarrays.

2010-07-12 | E-GEOD-12432 | biostudies-arrayexpress

Proteome analysis of aged mouse oocytes

Project description:The proteome changes were quantified in aged mouse oocytes using TMT 6-plex by LC-MS/MS.

2022-02-16 | PXD023603 | Pride

The translation regulator Zar1l is required to control the timing of meiosis in Xenopus oocytes

Project description:In vertebrates, sexual reproduction depends on the precisely temporally controlled translation of mRNAs stockpiled in the oocyte. The RNA-binding proteins Zar1 and Zar2 have been implicated in translational control in oocytes of several vertebrate species, but how they act mechanistically is still incompletely understood. Here, we investigate the function of Zar1l, a so far uncharacterized member of the Zar protein family, in Xenopus laevis oocytes. By combining biochemical assays and mass spectrometry, we reveal that Zar1l is a constituent of a known large ribonucleoparticle containing the translation repressor 4E-T and the central polyadenylation regulator CPEB1. Employing TRIM-Away, we show that depletion of Zar1l from prophase-I arrested oocytes results in premature meiotic maturation upon hormone treatment. We provide evidence that this is based on the precocious expression of the kinase cMos, a key promotor of meiotic resumption. Based on our data, we propose a model according to which degradation of Zar1l results in dissociation of 4E-T from CPEB1, thus weakening translation inhibition imposed by the mRNA 3’UTR of cMos and probably also other M-phase promoting regulators. Thus, our detailed characterization of the function of Zar1l reveals novel mechanistic insights into the regulation of maternal mRNA translation during vertebrate meiosis.

2022-09-22 | PXD032170 | Pride

Microarray profiling of YTHDF2 deficient mouse oocytes

Project description:To study the role of the protein YTHDF2 during female gametogenesis, its gene was conditionally deleted in oocytes. Total RNA samples from YTHDF2 deficient GV and MII oocytes (and control oocytes) were subjected to array profiling.

2018-02-12 | E-MTAB-5576 | biostudies-arrayexpress

Gene expression profile of Dicer-deficient oocytes

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