Assessment of PARP-1 Distribution in Tissues of Cynomolgus Monkeys
Bibliographic record
Abstract
The poly(ADP-ribose) polymerase 1 (PARP-1) enzyme has received much attention in the last decade due to its promising role in cancer therapeutics. Despite the expanding use of PARP inhibitors in cancer therapy, little is known about PARP-1 tissue distribution. Our study provides a detailed survey of PARP-1 tissue and cellular distribution using well-preserved cynomolgus monkey organs and a well-characterized, highly specific monoclonal PARP-1 antibody. Overall, PARP-1 was detected in most organs, but its distribution was restricted to specific cells within each tissue, suggesting that PARP-1 expression is tightly regulated. The strongest expression was in the pituitary, the ovary, the male adrenal gland, and the thymus. One of the key findings of this study was the stronger expression of PARP-1 in proliferating cells rather than mature cells. This observation not only provides clues to the importance of PARP-1 in processes such as DNA replication and transcription in these cell types, but it also provides the basis for further investigation into the effects of its inhibition in the context of malignancy. Overall, this study greatly expands the current knowledge of PARP-1 tissue expression, enabling the identification of tissues where PARP inhibition may be most efficacious.
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How this classification was reachedexpand
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) | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".