Localization of Urotensin-II Immunoreactivity in Normal Human Kidneys and Renal Carcinoma
Why this work is in the frame
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Bibliographic record
Abstract
Human urotensin-II (U-II) is a cyclic 11-amino-acid residue peptide with a wide range of vasoactive properties dependent on the anatomic site and the species studied. The purpose of this study was to determine the localization of human U-II in normal human kidneys and in renal carcinoma. Normal human kidneys (n=11) and eight cases of clear-cell carcinoma were immunostained with a polyclonal antibody to human U-II. In normal human kidneys, U-II was mostly present in the epithelial cells of tubules and ducts, with greater intensity in the distal convoluted tubules. Moderate U-II immunoreactivity was seen in the endothelial cells of renal capillaries, but only focal immunoreactivity was found in the endothelial cells of the glomeruli. No staining was found in the veins. All tumors expressed moderate U-II immunoreactivity in the cancer cells and vasculature. Here we demonstrate abundant expression of U-II in normal human kidneys and renal carcinoma. These findings suggest that the vasoactive and growth-mediator peptide U-II may contribute to the pathophysiology of the human renal system.
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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) | 0.001 | 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 | 0.001 |
| 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