The PI3K/Akt pathway inhibits influenza A virus-induced Bax-mediated apoptosis by negatively regulating the JNK pathway via ASK1
Why this work is in the frame
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Bibliographic record
Abstract
It has previously been reported that influenza A virus infection activates the phosphatidylinositol 3-kinase (PI3K)/Akt pathway. In addition, it has been shown that the mutant influenza A virus PR8-SH3-mf-1, which is unable to activate the PI3K/Akt pathway, is more pro-apoptotic than the wild-type (WT) virus. However, the molecular pathways involved in regulating this process remain unknown. Here, it is reported that, although both WT and PR8-SH3-mf-1 viruses induced apoptosis, the PR8-SH3-mf-1 virus consistently showed greater potential to induce mitochondrial membrane disruption, cytochrome c release, and translocation and conformational change of Bax than the WT virus. Furthermore, the PR8-SH3-mf-1 virus was unable to phosphorylate apoptosis signal-regulating kinase 1 (ASK1) but induced higher levels of c-jun N-terminal kinase (JNK) phosphorylation than the WT virus. Blocking JNK activity could inhibit virus-induced Bax activation and apoptosis. These results reveal that, during influenza A virus infection, the PI3K/Akt pathway negatively regulates the JNK pathway via ASK1, thereby inhibiting JNK-dependent, Bax-mediated apoptosis.
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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 | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.002 |
| 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