Endothelin-1-Induced Signaling Pathways in Vascular Smooth Muscle Cells
Why this work is in the frame
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Bibliographic record
Abstract
Endothelin-1 (ET-1), a vasoactive peptide, is believed to contribute to the pathogenesis of vascular abnormalities such as hypertension, atherosclerosis, hypertrophy and restenosis. ET-1 elicits its biological effects through the activation of two receptor subtypes, ET-A and ET-B that belong to a large family of transmembrane guanine nucleotide-binding protein-coupled receptors (GPCRs). ET-1 receptor activation results in the stimulation of several signaling pathways including mitogen-activated protein kinases (MAPKs), phosphatidylinositol 3-kinase (PI3-K) and protein kinase B (PKB). An intermediary role of Ca(2+)/calmodulin-dependent protein kinases (CaMK), protein kinase C (PKC) as well as receptor and non-receptor protein tyrosine kinases in triggering the activation of MAPK and PI3-K/PKB signaling in response to ET-1 has been suggested. Activation of these pathways by ET-1 is intimately linked with the regulation of cellular hypertrophy, growth, proliferation and cell survival. Here we provide an overview of these signaling pathways in vascular smooth muscle cells (VSMCs) with an emphasis on their potential role in vascular pathophysiology.
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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 | 0.001 |
| Meta-epidemiology (broad) | 0.004 | 0.003 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
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