CYTOCHROME‐C LOCALIZES IN SECRETORY GRANULES IN PANCREAS AND ANTERIOR PITUITARY
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Bibliographic record
Abstract
We used quantitative immunogold electron microscopy to evaluate the subcellular distribution of cytochrome-c in normal rat tissues, employing a wide variety of monoclonal and polyclonal antibodies against mammalian cytochrome-c. Immunogold labeling of tissues embedded in the acrylic resin LR Gold shows highly specific labeling of mitochondria in all tissues examined, including adrenal gland, cerebellum, cerebral cortex, heart, kidney, liver, pituitary, pancreas, skeletal muscle, spleen and thyroid. In pancreatic acinar cells and anterior pituitary, however, there was also strong cytochrome-c reactivity in zymogen granules and growth hormone granules, respectively. In the pancreas, strong immunoreactivity is also detected in condensing vacuoles and in the acinar lumen. Immunocytochemical controls included (i) use of monoclonal antibodies to horse cytochrome-c which recognize an epitope not present in rat cytochrome-c, (ii) preadsorption of antibodies with purified cytochrome-c, and (iii) omission of the primary antibody. The indicated presence of cytochrome-c outside mitochondria in certain tissues under normal physiological conditions raises interesting questions concerning translocation mechanisms and the cellular functions of cytochrome-c.
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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