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Comparison of transcriptomes between DMSO-5uM and Torin1-5uM treated mouse cumulus-oocyte complexes cultured in vitro for 14h

ABSTRACT: We sought to identify the potential specific roles of the MTOR signalling in cumulus cells by comparing the transcriptomes of the Control (treated with the DMSO vehicle) and MTOR-specific inhibitor Torin 1(5uM)-treated cumulus-oocyte complexes that were cultured for 16 hours. We compared the transcriptomes between DMSO- and Torin 1- treated cumulus-oocyte complexes.

ORGANISM(S): Mus musculus

PROVIDER: GSE79862 | GEO | 2016/08/01

SECONDARY ACCESSION(S): PRJNA317252

REPOSITORIES: GEO

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Project description:In mammals, the capacity of the female germ cell, the oocyte, to develop into embryo is acquired throughout meiotic maturation. Immature oocyte cannot be fertilized while mature oocyte is apt to accept spermatozoa and to develop an embryo. In a follicle, the oocyte is surrounded by mural granulosa cells (GC) and is physically and metabolically coupled with specialized granulosa cumulus cells (CC) which play an important role in oocyte maturation and fertilization. Factors expressing in GC and CC during maturation may reflect the oocyte quality, i.e. its capacity to be fertilized and assure early embryo development. However, the modifications of the content and the amount of peptide/proteins in the oocyte and the surrounding CC during oocyte maturation are mostly unknown and so there is not an accurate way of evaluating/monitoring how different in vitro maturation (IVM) protocols being in use in assisted reproduction technologies, can affect the process. In this context, Intact Cell MALDI-TOF Mass Spectrometry (ICM-MS) was applied to bovine follicular cells (bovine single oocytes, cumulus cells and granulosa cells) in order to characterize proteomic changes that occur in the follicle during female gamete development. In order to characterize finely endogenous molecular species observed on ICM-MS profiles and to identify markers of interest with their post-translational modifications, we carried out top-down proteomic on the different follicular cells from oocyte, oocyte-cumulus complexes, cumulus cells and granulosa cells protein extracts. Prior to top-down MS using a dual linear ion trap Fourier Transform Mass Spectrometer LTQ Orbitrap Velos, depending on the amount of available biological material, we employed three analytic strategies as a direct infusion, a mono-dimensional liquid chromatography (µLC-1D-MS/MS) and an off-line multi-dimensional liquid chromatography combining four fractionations (based on reverse phase or gel filtration LC) to µLC-MS/MS. Here, we deposited our dataset from µLC-1D-MS/MS (analyses of oocytes, oocyte-cumulus complexes, cumulus cells and granulosa cells protein extracts) and MDLC-MS/MS (analyses of granulosa cells protein extract).

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Comparison of transcriptomes between DMSO-5uM and Torin1-5uM treated mouse cumulus-oocyte complexes cultured in vitro for 14h

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