Pod1 is required in stromal cells for glomerulogenesis
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Bibliographic record
Abstract
Pod1 (capsulin/epicardin/Tcf21) is a basic-helix-loop-helix transcription factor that is highly expressed in the mesenchyme of developing organs that include the kidney, lung, gut, and heart. Null Pod1 mice are born but die shortly after birth due to a lack of alveoli in the lungs and cardiac defects. In addition, the kidneys are hypoplastic and demonstrate disrupted branching morphogenesis of the ureteric bud epithelium, a marked reduction in the number of nephrons, a delay in glomerulogenesis, and blood vessel abnormalities. To further dissect the cellular function of Pod1 during kidney development, chimeric mice were generated through aggregations of null Pod1 embryonic stem cells and murine embryos ubiquitously expressing enhanced green fluorescent protein (GFP). Histologic, immunohistochemical, and in situ hybridization analysis of the resulting chimeric offspring demonstrated both cell autonomous and non-cell autonomous roles for Pod1 in the differentiation of specific renal cell lineages that include peritubular interstitial cells and pericytes. Most strikingly, the glomerulogenesis defect was rescued by the presence of wild-type stromal cells, suggesting a non-cell autonomous role for Pod1 in this cell population.
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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 | 0.000 | 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 it