The CF mouse: an important tool for studying cystic fibrosis
Bibliographic record
Abstract
Cystic fibrosis (CF) is a common and fatal recessive disease, which is caused by dysfunction of a chloride ion channel, termed the CF transmembrane conductance regulator (CFTR). The CF gene was cloned in 1989; subsequently, several mouse models have been created using gene targeting within embryonic stem cells. This report describes how such animal models provide the opportunity to elucidate disease pathogenesis, correlate genotype with phenotype and develop novel therapies. The current models encompass mice with a complete knockout of CFTR function, with residual CFTR function, and with precise mutations corresponding to those in humans that precipitate CF. All the CF mice demonstrate the characteristic CF ion-transport defect and show some evidence of intestinal disease, but they have a variable level of survival. Genetic background has also been shown to affect the intestinal phenotype of CF mice and this has allowed identification of a genetic modifier locus of CF in humans. Lung disease in human CF is the major cause of death in early adulthood. This is not entirely reproduced in CF mice, but repeat exposure of the lung to clinical pathogens does reveal a significantly abnormal pathogen-related response in the residual-function mice. CF mice have been successfully used to investigate the safety and efficacy of various pharmacological and gene-therapy protocols. As new cloning techniques become available, the models can be refined to ensure that in vivo models continue to be an essential tool for studying CF.
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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 | 0.003 | 0.007 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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".