Histone H1 Structural Changes and its Interaction with DNA in the Presence of High Glucose Concentration<i>In Vivo</i>and<i>In Vitro</i>
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Bibliographic record
Abstract
Histone H1 has an important role in the packing of chromatin and controlling gene expression. The effect of nonenzymatic glycation on the structure of histone H1 (a basic protein), the inhibitory role of spermine on this phenomenon and interaction of H1 with DNA is investigated here. H1 was extracted from the liver of normal and diabetic rats with or without receiving spermine as a chemical chaperone. Rat liver H1 was also incubated with glucose (50 mM) and its structure was compared with the protein obtained from diabetic rat. The results indicated a lower fluorescence emission and alpha-helical content of glycated H1; i.e., alteration in its folding; and reduced DNA (high molecular weight or specific sequences) binding in comparison with normal protein. Spermine partially (not completely) returns the studied parameters on glycated H1 toward the normal values. The changes in the structure and function of histone H1 is suggested as one of the possible mechanisms involved in diabetic complications.
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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