Functions of TIP60/NuA4 Complex Subunits in Epigenetic Regulation of Cell Differentiation
Bibliographic record
Abstract
The TIP60/NuA4 complex is a very large multifunctional histone acetyltransferase complex of >1.7 megadaltons consisting of 17-20 subunits that plays a pivotal role in epigenetic regulation of numerous cellular processes. It is targeted to the histone H3K4Me3 mark of active transcription by the ING3 epigenetic reader to alter local chromatin structure and transcription. This results in functions as a transcriptional co-activator, a histone dimer exchange factor, cell cycle and apoptosis regulator. In this study we review the effects of altering TIP60 subunit levels or mutational status on chromatin structure and transcriptional activity, and how this impacts different pathways of differentiation across multiple cell types. We focus on the molecular mechanisms by which TIP60/NuA4 contributes to cell fate decisions, focusing on its roles in histone H3 and H4 acetylation by its KAT5 catalytic subunit, chromatin remodeling, and coordination with transcription factors. We also highlight roles of individual TIP60 complex subunits with demonstrated involvement in several forms of differentiation, examining how their distinct functions contribute to lineage specification and developmental transitions. By integrating mechanistic insights with functional outcomes, this review summarizes pathways affected by the TIP60/NuA4 regulator of cellular differentiation and provides perspectives on its potential as a target for modulating cell fate in regenerative medicine.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot 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.
Distilled classifier scores by category (both heads)
| 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 | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".