Generation and Characterization of a Monoclonal Antibody that Recognizes an Activation Antigen Expressed by a Majority of Adherent Lymphokine-Activated Killer Cells
Why this work is in the frame
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Bibliographic record
Abstract
In an attempt to generate murine natural killer (NK) cell-specific monoclonal antibodies (MAbs) by immunizing Balb/c mice with C57BL/6 (B6) A-LAKs, we have isolated a hybridoma, CS/NicT.2, which secretes an IgM that recognizes a majority of B6 and B6 Rag-1-/- A-LAKs. The CS/NicT.2 antigen is highly expressed by A-LAKs, but only at extremely low levels on resting splenocytes, suggesting that its expression is tightly associated with IL-2 activation. Among the cell lines examined, only CTLL-2 expresses the CS/NicT.2 antigen at relatively high levels. A low level of CS/NicT.2 staining is also detected on resting allo-specific cytotoxic T lymphocytes (CTL) clones, AB.1 and C11. In addition, a similar low level of CS/NicT.2 staining is detected on the T-helper cell line HT-2. The CS/NicT.2 antigen is upregulated by ionomycin but not by phorbol 12-myristate 13-acetate (PMA). For the CTL clones examined, CS/NicT.2 staining is also dramatically increased by anti-TCRbeta or anti-CD3epsilon stimulation. Protease treatments of CTLL-2 show that this antigen is proteinase K sensitive, but relatively resistant to trypsin digestion. Furthermore, the CS/NicT.2 antigen exhibits a relatively fast turnover rate as assessed by proteinase K and cycloheximide treatments of CTLL-2, suggesting that the CS/NicT.2 antigen may have a short half-life on the cell surface.
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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) | 0.003 | 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