Transomic analysis reveals DNA methylation and transcription factor roles in obese liver protein expression
Why this work is in the frame
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Bibliographic record
Abstract
Obesity impairs hepatic functions through abnormal functional protein expression, potentially through DNA methylation, which suppresses gene expression, and changes in transcription factors (TFs) expression. However, the specific protein expression changes associated with DNA methylation in the obese liver remain unclear. To dissect the relative association of DNA methylome and TF-binding with protein expression changes in the obese liver, we used a trans-omic integration approach combining DNA methylome, transcriptome, proteome, and TF-binding data for the livers of wild-type (WT) and obese (ob/ob) mice. We found that gene and protein expression changes were more strongly associated with TF expression changes than with changes in DNA methylation in promoter region. However, decreased protein expression of the complement and coagulation system in obesity was specifically associated with increased DNA methylation together with decreased expression of TF Hnf4a. Our study highlights abnormal protein expression specifically associated with DNA methylation and TF expression changes in obesity.
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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