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Omics · study · 2026

Processing Bodies Restrict the Specification of Human Primordial Germ Cells

Listed in NCBI GEO

Precursor cells gradually become restricted in their fates during development by the combined functions of cell fate “specifiers” and “restrictors”, the balancing of which determines the correct cell numbers for specific lineages.

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However, little is known about the regulators restricting the specification of primordial germ cells (PGCs), the precursors of germline for perpetuating genetic and epigenetic information from parents to offspring.

We identified the processing body (P-body) component 4E-T (also called EIF4ENIF1) as a critical restrictor that suppresses the specification of PGC-like cells from human embryonic stem cells (hESCs). The phase separation nature of 4E-T and P-bodies is important for stabilizing the mRNAs of OTX2, which restricts the entry of germline as a transcriptional regulator. Mechanistically, 4E-T proteins within P-bodies sequester the m6A reader IGF2BP1, which binds to the m6A-modified OTX2 mRNAs for transporting to ribosomes for active translation.

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In summary, we reveal the novel function of membraneless organelle P-bodies as a key site for sorting m6A-modified mRNAs for translation, which in turn is involved in the regulation of cell fate during development.

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Life Sciences
Provenance · 1 source records, 8 field assertions
SourceKeyLast seenRaw
NCBI GEOGSE28729315 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NCBI GEOconnector:ncbi_geo@1.0.0
concepts[field].local:field:life-sciencesmapping · NCBI GEOconnector:ncbi_geo@1.0.0
concepts[method].geo_series_type:expression-profiling-by-high-throughput-sequencingsource · NCBI GEOconnector:ncbi_geo@1.0.0/gdstype
concepts[method].geo_series_type:othersource · NCBI GEOconnector:ncbi_geo@1.0.0/gdstype
concepts[organism].NCBITaxon:9606source · NCBI GEOconnector:ncbi_geo@1.0.0/taxon
descriptionsource · NCBI GEOconnector:ncbi_geo@1.0.0/summary
publication_datesource · NCBI GEOconnector:ncbi_geo@1.0.0
titlesource · NCBI GEOconnector:ncbi_geo@1.0.0/title