Autophagy Related-Protein 16-1 Up-Regulated in Hepatitis B Virus-Related Hepatocellular Carcinoma and Impaired Apoptosis
Bibliographic record
Abstract
BACKGROUND: Hepatocellular carcinoma (HCC) as primary malignancy of the liver has become the most common type of cancer worldwide. HCC development is mainly caused by viruses, especially the hepatitis B virus (HBV). Autophagy is an important defense mechanism against virus infection; however, HBV promotes autophagy mediated by the HBx protein which stimulates its replication. The autophagy-related protein 16-1 (ATG16L1) binds to the ATG12-ATG5 conjugate and forms a large protein autophagosome complex. Previous studies indicated that the ATG12-ATG5 conjugate was involved in HBV-associated HCC. Therefore, the ATG16L1 protein might consistently relate to this condition. METHODS: Accordingly, the ATG16L1 protein expression was determined in tumor and non-tumor liver cell lines and liver tissue samples using immunoblotting, and also investigated in ATG16L1-knockdown cells to further clarify this function. RESULTS: Our results showed that the ATG16L1 protein was up-regulated in HepG2.2.15 and HepG2 cell lines compared to THLE-2 cells. This protein also increased in tumor liver tissues of HCC patients with HBV infection compared to adjacent non-tumor tissues. Silenced-ATG16L1 also significantly promoted apoptosis in HepG2 cells cultured in starvation conditions. CONCLUSIONS: Findings suggested ATG16L1 as an important molecule involved in apoptosis processes for HCC cells. A more profound understanding is required regarding the mechanisms that link autophagy and apoptosis in HCC development.
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How this classification was reachedexpand
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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".