Electrochemical Investigations of Tau Protein Phosphorylations and Interactions with Pin1
Why this work is in the frame
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Bibliographic record
Abstract
Phosphorylation of Tau by the protein kinase GSK-3β was monitored by electrochemical impedance spectroscopy of immobilized Tau on gold surfaces. As a result of Tau phosphorylation, the film resistance decreases significantly due to conformational changes and reorganization of the immobilized phosphorylated Tau (pTau) protein, which in turn enables the interactions of pTau with the peptidyl-prolyl cis/trans isomerase, Pin1. Interactions are specific to phospho-Ser (pSer) and phospho-Thr (pThr) residues of pTau. Impedance changes occurred as a function of pTau-Pin1 interactions and are related to the amount of Pin1 bound, which resulted in an increase of the charge-transfer resistance, R(CT). Our results clearly indicate that the isomerase Pin1 interacts favorably with pSer/pThr-Pro residues in Tau, but does not bind non-phosphorylated Tau or phospho-Tyr residues in Tau films. Our study demonstrates the utility of electrochemical impedance studies to probe protein modifications and biomolecular interactions.
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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