Utility of High-Throughput Imaging Mass Cytometry for Cancer Research: A feasibility study
Bibliographic record
Abstract
The Hyperion <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">TM</sup> Imaging System is a novel technology that uses imaging mass cytometry (IMC) to improve upon current methods of tissue imaging, enabling sub-cellular spatial resolution and acquisition of up to 37 proteins on a single tissue slide. The technology is fairly new, and thus we want to explore the types of analysis possible with these data. Here, we introduce an analysis pipeline to utilize machine learning-based analysis for IMC data using data from a muscle invasive bladder cancer patient cohort. We also propose a novel augmentation method to handle the challenge of low number of tissue samples from IMC studies. Our augmentation method was validated and shown to perform better than when only using the original data. Both our pipeline and augmentation method show promise for applications in future research studies and clinical evaluation of this technology. Our results indicate the feasibility of using the proposed framework with a more robust data set to identify prognostic features, which is an important foundation for further clinical research.
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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 | 0.001 | 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 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".