Transfection‐enforced Bcl‐2 overexpression and an anti‐Parkinson drug, rasagiline, prevent nuclear accumulation of glyceraldehyde‐3‐phosphate dehydrogenase induced by an endogenous dopaminergic neurotoxin, <i>N</i>‐methyl(<i>R</i>)salsolinol
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
An endogenous dopaminergic neurotoxin, N-methyl(R)salsolinol, was found to induce apoptosis in human dopaminergic SH-SY5Y cells by step-wise activation of apoptotic cascade; collapse in mitochondrial membrane potential, DeltaPsim, activation of caspases, and fragmentation of DNA. Recently, accumulation of gylceraldehyde-3-phosphate dehydrogenase (GAPDH) in nuclei was proposed to play an important role in apoptosis. In this paper, involvement of GAPDH in apoptosis induced by N-methyl(R)salsolinol was studied. The isoquinoline reduced DeltaPsim within 3 h, as detected by a fluorescence indicator, JC-1, then after 16 h incubation, GAPDH accumulated in nuclei by detection with immunostaining. To clarify the role of GAPDH in apoptotic process, a stable cell line of Bcl-2 overexpressed SH-SY5Y cells was established. Overexpression of Bcl-2 prevented the decline in DeltaPsim and also apoptotic DNA damage induced by N-methyl(R)salsolinol. In Bcl-2 transfected cells, nuclear translocation of GAPDH was also completely suppressed. In addition, a novel antiparkinsonian drug, rasagiline, prevented nuclear accumulation of GAPDH induced by N-methyl(R)salsolinol in control cells. These results suggest that GAPDH may accumulate in nuclei as a consequence of signal transduction, which is antagonized by anti-apoptotic Bcl-2 protein family and rasagiline. The results are discussed in concern to intracellular mechanism underlying anti-apoptotic function of rasagiline analogues.
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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