INVESTIGATION OF TT VIRUS IN THE ETIOLOGY OF PEDIATRIC ACUTE LYMPHOBLASTIC LEUKEMIA
Bibliographic record
Abstract
Infectious agents have been implicated in the pathogenesis of pediatric acute lymphoblastic leukemia (ALL). A novel human DNA virus, TT virus (TTV), has been identified in children possessing characteristics as an etiologic agent, making the virus a potential candidate. Analysis of specimens from children with ALL was performed to determine if an association exists. Archived specimens (79 peripheral blood mononuclear cells, PBMC/bone marrow cells, BMC, and 125 cerebrospinal fluid, CSF) obtained at diagnosis and during therapy from 28 pediatric patients were tested for TTV. All of the diagnostic BMC/PBMC were negative for TTV, but 7 patients had follow-up specimens that converted to TTV positivity. TTV was not detected in any CSF. The absence of TTV at diagnosis suggests TTV is unlikely to be causally associated with ALL in the cases analyzed. However, the data support TTV transmission through blood products and suggest that the CNS is not a sanctuary site for TTV.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), 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".