Genome-wide expression analysis of hereditary hyperplastic gingivitis in silver foxes (<i>Vulpes vulpes</i>) using canine microarrays
Bibliographic record
Abstract
Hereditary hyperplastic gingivitis (HHG) is an autosomal recessive condition found predominantly in farmed silver foxes, first documented in Europe in the 1940s. Hereditary gingival fibromatosis (HGF) is an analogous condition occurring in humans. HGF has a heterogeneous aetiology with emphasis placed on the autosomal dominant forms of inheritance for which there are three known loci: HGF1, HGF2, and HGF3. Among these, only one causative mutation has been determined, in the Son of sevenless homolog 1 (SOS1) gene. The goal of this study was to explore potential molecular or cellular mechanisms underlying HHG by analysis of global gene expression patterns from Affymetrix Canine 2.0 microarrays cross-referenced against candidate genes within the human loci. We conclude that the SOS1 gene involved in HGF1 is not significantly up-regulated in HHG. However, the structurally and functionally similar SOS2 gene is up-regulated in affected foxes, and we propose this as a candidate gene for HHG. At HGF2 we identify RASA1 (rat sarcoma viral p21 protein activator 1) as a candidate gene for HHG, as it is up-regulated in affected foxes and is involved in MAPK signalling. From comparison to the genes within the HGF3 locus, we find evidence for a role of androgens in HHG phenotype severity by differential up-regulation of SRD5A2 in HHG-affected foxes. We hypothesize that the putative mutation occurs upstream of RAS in the extracellular signal-regulated kinase component of MAPK signalling.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 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".