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Record W7058216555

Mechanisms of hairyenhancer of split 6 function during mammalian neuronal development

2004· dissertation· en· W7058216555 on OpenAlexfundno aff

Bibliographic record

VenueeScholarship@McGill (McGill) · 2004
Typedissertation
Languageen
FieldPhysics and Astronomy
TopicMagnetic confinement fusion research
Canadian institutionsnot available
FundersFonds de Recherche du Québec - SantéCanadian Institutes of Health ResearchKillam Trusts
KeywordsHES1Psychological repressionTranscription factorTranscription (linguistics)Function (biology)ProgenitorTetrapeptide
DOInot available

Abstract

fetched live from OpenAlex

Hes1 is a mammalian basic helix loop helix (bHLH) factor that inhibits neuronal differentiation by mediating transcription repression mechanisms together with corepressors of the Gro/TLE family. The interaction of Hes1 with Gro/TLE is mediated by a WRPW tetrapeptide present at the carboxy-terminus of all Hes proteins. Another lies protein, Hes6, also interacts with Gro/TLE through its WRPW motif. Contrary to Hes1, Hes6 promotes neuronal differentiation. It is shown here that Hes6 negatively regulates Hes1 activity by at least two mechanisms. Hes6 promotes a proteolytic degradation of Hes1. Moreover, Hes6 inhibits the interaction of Hes1 with its transcriptional corepressor, Gro/TLE. Hes6 inhibits Hes1-mediated transcriptional repression in cortical neural progenitor cells. Consistent with these observations, Hes6 promotes the differentiation of cortical neurons, a process normally inhibited by Hes1. Taken together, these results clarify molecular mechanisms underlying the neurogenic activity of Hes6.

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.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation 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 score0.001
Threshold uncertainty score0.003

Distilled classifier scores by category (both heads)

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)0.0010.000

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 head0.011
GPT teacher head0.230
Teacher spread0.220 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2004
Admission routes1
Has abstractyes

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