Monitoring Autophagic Flux Using Ref(2)P, the <i>Drosophila</i> p62 Ortholog
Why this work is in the frame
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Bibliographic record
Abstract
Human p62, also known as Sequestome-1 (SQSTM1), is a multifunctional scaffold protein that contains many domains, including a Phox/Bem1P (PB1) multimerization domain, an ubiquitin-associated (UBA) domain, and a light chain 3 (LC3) recognition sequence. p62 binds ubiquitinated proteins and targets them for degradation by the proteasome. In addition, p62 directly binds LC3; this may serve as a mechanism to deliver ubiquitinated proteins for degradation by autophagy. During this process, p62 itself is degraded. The inhibition of autophagy leads to the accumulation of p62, indicating that it can be used as a marker of autophagic flux. Ref(2)P (refractory to sigma P), the Drosophila ortholog of p62, is also required for the formation of ubiquitinated protein aggregates. Ref(2)P contains a putative LC3-interacting region, and genetic inhibition of autophagy in Drosophila leads to the accumulation of Ref(2)P protein levels. Thus, like p62, Ref(2)P may serve as a marker of autophagic flux. Here we provide two procedures to examine Ref(2)P protein levels in Drosophila ovaries.
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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) | 0.000 | 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