Ultrastructural organization of double minute chromosomes and HSR regions in human colon carcinoma cells
Why this work is in the frame
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Bibliographic record
Abstract
The ultrastructural organization of double minute chromosomes (DMs) and marker chromosomes displaying homogeneously staining regions (HSRs) have been investigated in two cell lines, COLO-320 DM and COLO-320 HSR, derived from a human colon carcinoma. Double minute chromosomes in the COLO-320 DM cell line vary in number from several to several hundred and in diameter from 0.5 to 2 micron. These chromosomes lack kinetochore structures which appear as discrete electron dense plates on the centromeric chromosomes. The DMs are composed of regularly arranged nucleosome-containing fibers. These are folded to form 30 nm fibers which extend as loops from the central portion of the chromosome. In COLO-320 HSR, a majority of cells contain a single submetacentric HSR marker chromosome with HSR regions in both chromosome arms. The HSR chromosome appears structurally analogous in EM preparations to the other centromeric chromosomes of the karyotype.
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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