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Omics · study · 2026

The TENT5A–ATXN2 axis modulates cellular survival during heat stress.

Listed in NCBI GEO

Stress conditions elicit the formation of different kinds of stress granules.

Description

The assembly and composition of heat-induced stress granules remain poorly characterized. Here, we show that the cytoplasmic RNA polyadenylases TENT5A regulate the formation and function of ATXN2-positive heat-induced stress granules.

Tent5a mRNA expression increases when somatic and germ cells are exposed to temperatures between 40°C and 42°C, but not upon exposure to other stressors. TENT5A decreases ATXN2 levels by reducing Atxn2 mRNA translation and accelerating ATXN2 protein decay. Upon heat exposure of the testis, ATXN2-positive stress granules are formed in pre-meiotic and meiotic cells independently of the presence of G3BP1 and the heat stress response protein DAZL.

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Depletion of TENT5A leads to increased cell-type-specific formation of ATXN2-positive stress granules and differentially regulates cell survival. In sum, TENT5A inhibits the formation of ATXN2-positive granules to modulate the heat shock response in vivo.

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Life Sciences
Provenance · 1 source records, 7 field assertions
SourceKeyLast seenRaw
NCBI GEOGSE31148715 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[organism].NCBITaxon:10090source · 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