Bergeyella cardium variant induces a unique cytoplasmic vacuolization cell death floatptosis in macrophage
Why this work is in the frame
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Bibliographic record
Abstract
Bacterial pathogens have evolved multiple mechanisms to modulate host cell death, evade host immunity, and establish persistent infection. Here, we show that an infective endocarditis causative pathogen, Bergeyella cardium, is frequently detected in oral specimens from clinical patients. A variant strain of Bergeyella cardium (BCV) induces unique cytoplasmic vacuolization cell death and minor apoptosis-like cell death in macrophages. The cytoplasmic vacuolization cell death triggered by BCV is characterized by Fused LysosOme-Associated Termination (floatptosis) and is inhibited by the sodium channel inhibitor amiloride. Moreover, outer membrane vesicles (OMVs) or transfection of barrel-like membrane proteins, lipocalin, β-barrel, and PorV, dramatically induce cytoplasmic vacuolization. Endosomal solute carrier family 9 member A9 (SLC9A9) plays important roles in the process of BCV-, OMVs-, and barrel-like proteins-triggered cytoplasmic vacuolization cell death via promoting vacuole fusion. SLC9A9 deficiency or amiloride administration increases host defense against BCV infection. These findings contribute to developing novel approaches to modulate cytoplasmic vacuolization cell death and treat infectious diseases.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| 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 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 it