Role of Extracellular Matrix Components in Adult Rat Adrenal Gland Homeostasis
Bibliographic record
Abstract
Numerous studies have demonstrated that the cellular environment could alter cell functions. The aim of the present study was to determine the extracellular matrix components and their integrin receptors within the rat adrenal gland and to evaluate the role of these components in rat adrenal glomerulosa cells behavior. RT-PCR and Western blot experiments showed that integrins a5 and av as well as their fibronectin receptor partners b1 and b3, were present in rat glomerulosa cells in culture. Furthermore, we report that rat glomerulosa cells in culture plated on poly-l-lysine coverslips are able to produce and secrete ECM components in their environment. Laminin (LN), fibronectin (FN), and collagen I (Col I) are found to be secreted and still in interaction with the glomerulosa cells. Finally, immunohistochemistry experiments done on paraffin section of rat adrenal glands, using specific antibodies, showed that FN, Col I, and LN present differential expression throughout the adrenal glands. Given that we showed that Arg-Gly-Asp (RGD) peptide and a fibronectin matrix could stimulate aldosterone secretion, these results suggested that the binding of integrins to extracellular matrix components could be important for adult rat adrenal glands homeostasis.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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".