Transcript Isoforms of Promyelocytic Leukemia in Mouse Male and Female Gametes
Why this work is in the frame
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Bibliographic record
Abstract
Promyelocytic leukemia (PML) nuclear bodies and proteins have been implicated in many functions of the nucleus. It is not known whether the PML gene is transcribed and expressed as PML nuclear bodies in gamete cells or in the early mammalian embryo. In this study using reverse transcription-polymerase chain reaction and immunocytochemistry we show the presence of PML transcripts and identify their variants in the mature mouse gametes. Mature sperm contains isoform II; however, oocyte contains transcript isoforms I, II, and possibly other unknown isoforms of PML. This indicates that the mature gametes may carry the transcripts to the newly created embryo. We also show that sperm and oocyte cells do not contain PML nuclear bodies. We find that the first appearance of PML nuclear bodies is in the 2-cell-stage mouse embryo. Appearance of PML nuclear bodies in the 2-cell-stage embryo may correspond to the major transcriptional activity of the embryonic genome. In summary, this report emphasizes the necessity to perform further experiments to investigate the presence and function of PML transcripts and nuclear bodies in earlier stages of germ cell and also later stages of the preimplantation development.
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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