Validation of a Rb <sup>+</sup> Uptake Assay for the Mouse Embryonic Stem Cell-Derived Cardiomyocytes Na <sup>+</sup> , K <sup>+</sup> ATPase
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Bibliographic record
Abstract
Human Na+, K+ ATPase, an ATP-driven ion transporter, is an emerging drug target for heart-related conditions. Three types of assays including purified enzyme, radiotracer flux, and cold Rb+ flux have been used to determine the activity of this transporter. As an alternative to primary cardiomyocytes, mouse embryonic stem cells-derived cardiomyocytes with functional expression of essential cardiac ion channels were used in the present studies. The results on its pharmacology with digitoxin and ouabain, the 2 well-known cardioglycosides, imply that these cardiomyocytes can be used as a predictive model for the identification of modulators of Na+, K+ ATPase in HTS format.
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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) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 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 it