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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>

2011· article· en· W2042607667 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

fundA Canadian funder is recorded on the work.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueJournal of Biomolecular Structure and Dynamics · 2011
Typearticle
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicAdvanced Glycation End Products research
Canadian institutionsnot available
FundersYork University
KeywordsSpermineGlycationHistoneHistone H1ChromatinChemistryDNABiochemistryIn vivoSpermidineIn vitroBiophysicsMolecular biologyBiologyEnzymeGenetics

Abstract

fetched live from OpenAlex

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.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.016
Threshold uncertainty score0.270

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.008
GPT teacher head0.266
Teacher spread0.258 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it