Chemical Induction of mGluR5- and Protein Synthesis–Dependent Long-Term Depression in Hippocampal Area CA1
Why this work is in the frame
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Bibliographic record
Abstract
Recent work has demonstrated that specific patterns of synaptic stimulation can induce long-term depression (LTD) in area CA1 that depends on activation of metabotropic glutamate receptors (mGluRs) and rapid protein synthesis. Here we show that the same form of synaptic modification can be induced by brief application of the selective mGluR agonist (RS)-3,5-dihydroxyphenylglycine (DHPG). DHPG-LTD 1) is a saturable form of synaptic plasticity, 2) requires mGluR5, 3) is mechanistically distinct from N-methyl-D-aspartate receptor (NMDAR)--dependent LTD, and 4) shares a common expression mechanism with protein synthesis-dependent LTD evoked using synaptic stimulation. DHPG-LTD should be useful for biochemical analysis of mGluR5- and protein synthesis-dependent synaptic modification.
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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 | 0.001 |
| 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 | 0.001 |
| 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