Proteomics

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Deciphering the function of Angiomotin in trophoblast cells

ABSTRACT: Trophectoderm-specific expression of Angiomotin (AMOT) in pre-implantation embryos followed by its unique expression in the post-implantation ectoplacental cone that harbors the trophoblast stem cell niche prompted our investigation on the function of AMOT in trophoblast cells. Using the in vitro trophoblast stem cell culture model, we established differentiation dependent up-regulation of AMOT expression in trophoblast cells. To understand the function of AMOT in trophoblast cells mass spectrometry-based proteomic analysis was employed to identify the AMOT interactome within the trophoblast proteome. This approach utilized immunoprecipitation of endogenous AMOT followed by fractionation on SDS-PAGE and subsequently subjecting the tryptic digested excised gel bands to mass spectrometry.

INSTRUMENT(S):

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): Trophoblast

DISEASE(S): Disease Free

SUBMITTER: TUSHAR KANTI MAITI  

LAB HEAD: Dr Tushar Kanti Maiti

PROVIDER: PXD019391 | Pride | 2021-11-03

REPOSITORIES: Pride

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Source:
Action DRS
AAAA_uniprot-mouse-reviewed_120718.fasta Fasta
B1F1.1.mgf Mgf
B1F1.1.wiff Wiff
B1F1.1.wiff.scan Wiff
B1F1.2.mgf Mgf
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Publications

Sequestration of eIF4A by angiomotin: A novel mechanism to restrict global protein synthesis in trophoblast cells.

Basak Trishita T   Dey Amit Kumar AK   Banerjee Rachana R   Paul Sandip S   Maiti Tushar Kanti TK   Ain Rupasri R  

Stem cells (Dayton, Ohio) 20201204 2

Enrichment of angiomotin (AMOT) in the ectoplacental cone of E7.5 murine placenta prompted our investigation on the role of AMOT in trophoblast differentiation. We show here that AMOT levels increased in mouse placenta during gestation and also upon induction of differentiation in trophoblast stem cell ex vivo. Proteomic data unravelling AMOT-interactome in trophoblast cells indicated a majority of AMOT interactors to be involved in protein translation. In-depth analysis of AMOT-interactome led  ...[more]

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