ArticleGenes to cells : devoted to molecular & cellular mechanisms2025
Functional Differences Between SIRPα Splice Isoforms.
Article in Genes to cells : devoted to molecular & cellular mechanisms, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- Functional Differences Between SIRPα Splice Isoforms.Genes to cells : devoted to molecular & cellular mechanisms · 2025Article
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Authors and funding
11 authors.
Funding
Abstract
Signal regulatory protein (SIRP) α, an inhibitory receptor belonging to the immunoglobulin (Ig) superfamily is abundantly expressed in phagocytes such as macrophages. CD47, the ligand for SIRPα, is expressed in most healthy cells, and called "don't eat me" signal because it binds to SIRPα on the surface of macrophages and inhibits phagocytosis. SIRPα has multiple splice isoforms, but most functional analyses have been carried out using long SIRPα, the SIRPα isoform with three extracellular Ig domains. In this study, we analyzed the expression and function of short SIRPα, an SIRPα isoform with only one extracellular Ig domain. In resting mouse macrophage Raw 264.7 cells, the short and long SIRPα mRNA expression levels were similar, and the proportion of short SIRPα mRNA decreased substantially after endotoxin stimulation. Short SIRPα bound to CD47 as same as long SIRPα, however, did not suppress the phagocytosis of recombinant CD47-coated beads, unlike long SIRPα. These results suggest that short SIRPα may be a "don't eat me" signal regulator with different expression and function from long SIRPα.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.