Novel variant of neuronal intranuclear rodlet immunoreactive for 40 kDa huntingtin associated protein and ubiquitin in the mouse brain
Bibliographic record
Abstract
Intranuclear rodlets (INRs), also known as rodlets of Roncoroni, are poorly understood intranuclear bodies originally identified within neuronal nuclei on the basis of their unique morphology. The mechanisms of their formation, their biochemical composition and their physiological significance remain unknown. Using double immunofluorescence staining of mouse brain sections, we identified a novel variant of INR that is immunoreactive for the 40 kDa huntingtin associated protein (Hap40) and ubiquitin, and provide evidence for the existence of additional INR subtypes sharing ubiquitin immunoreactivity as a common feature. We describe a selective association of these INRs with melanin concentrating hormone (MCH) and tyrosine hydroxylase immunoreactive neurons of the hypothalamus and the locus coeruleus, respectively. We also demonstrate for the first time that biochemically distinct INR subtypes can coexist within a single nucleus where they engage in nonrandom spatial interactions. Our findings highlight the biochemical diversity and cell type-specific expression of these enigmatic intranuclear structures.
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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 | 0.001 | 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) | 0.001 | 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 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".