The impact of tau deletion on Huntington’s disease: An in vivo perspective
Bibliographic record
Abstract
Although an emerging body of evidence suggests that abnormal forms of tau are present and contribute to Huntington's disease (HD)-a genetic neurodegenerative disorder primarily characterized by the aggregation of the mutant huntingtin (mHtt) protein affecting cognitive, motor, and psychiatric function-it is not clear to what extent this is relevant to the disease phenotype, and hence future treatments. We therefore generated a novel murine model by crossing heterozygous zQ175 knockin HD mice with homozygous tau knockout mice (mTKO). Tau deletion exacerbated both motor and cognitive deficits in zQ175/mTKO mice, which was accompanied by increased mHtt aggregation and alterations in microtubule dynamics, including dysregulated expression of microtubule-associated proteins, aberrant perinuclear β-tubulin accumulation, and microtubule destabilization. Combined, our findings unveil a previously unrecognized protective role of non-hyperphosphorylated tau in maintaining cytoskeletal homeostasis in HD and highlight a functional overlap between tau and huntingtin in regulating aggregate dynamics and cytoskeletal integrity. Our findings complement previous reports suggesting that reducing tau levels could mitigate disease pathology in HD mouse models.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".