ArticleNature communications2026
Adipocytes signal to recruit specific mRNAs from surrounding cells to restore expression deficits.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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18 authors.
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Abstract
Extracellular vesicles (EVs) are nano-sized, membrane-delimited, particles released by cells that carry signaling macromolecules. A major pathway of EV production is potentiated by neutral sphingomyelinase 2 (SMPD3/nSMAse2), an enzyme that generates ceramide from sphingomyelin. In our attempt to study this pathway in adipocytes of male mice, we discover that the elimination of SMPD3 from adipocytes in vivo triggers a signal to surrounding immune cell-like preadipocytes to release EVs that carry SMPD3 mRNA. This results in a widespread increase in SMPD3 mRNA in purified null adipocytes without a change in the transcripts of other enzymes involved in ceramide metabolism. These results point to a selective mechanism by which specific mRNA molecules are acquired from the microenvironment to a level that can restore expression of mRNA and protein in a cell that is depleted of the corresponding genetic information.
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