SHIP is a repressor of mast cell hyperplasia, cytokine production, and allergic inflammation <i>in vivo</i> (139.12)
Bibliographic record
Abstract
Abstract Src homology 2-containing inositol 5’-phosphatase (SHIP) inhibits immune receptor signaling through hydrolysis of the phosphatidylinositol-3 kinase (PI3K) product PI-3,4,5-P3, forming PI-3,4-P2. SHIP represses FcεRI- and cytokine-mediated mast cell activation in vitro, but little is known regarding the function of SHIP in mast cells in vivo, or the susceptibility of Ship-/- mice to mast cell-associated diseases. In this study, we found that Ship-/- mice have systemic mast cell hyperplasia, increased serum levels of IL-6, TNF, and IL-5, and heightened anaphylactic response. Further, by reconstituting mast cell-deficient mice with Ship+/+ or Ship-/- mast cells, we found that the above defects were due to loss of SHIP in mast cells. Additionally, we found that loss of SHIP in mast cells alone resulted in increased allergic asthma pathology. In summary, our data show that SHIP represses allergic inflammation and mast cell hyperplasia in vivo, and that SHIP exerts these effects specifically in mast cells.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".