Induction of GDNF mRNA expression by melatonin in rat C6 glioma cells
Why this work is in the frame
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Bibliographic record
Abstract
In order to determine the physiological effect of melatonin on glial cell line-derived neurotrophic factor (GDNF), which is reportedly up-regulated by high doses of this hormone, concentration-dependent studies were carried out in cultured cells. RT-PCR studies indicated that, in addition to GDNF, rat C6 glioma cells express both of the G protein-coupled melatonin receptor subtypes, MT1 and MT2. When C6 cells were treated with physiological (0.05-1 nM) or higher (10 and 100 nM) concentrations of melatonin for 24 h, a significant induction of relative GDNF mRNA levels (n = 4) was detected by semi-quantitative RT-PCR. These findings suggest that induction of GDNF is involved in physiological neuroprotection by melatonin. Given the potency of GDNF in maintaining nigrostriatal dopaminergic integrity, understanding the mechanisms of its induction by melatonin could provide novel therapies for Parkinson's disease.
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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 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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