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The long way from raw data to NAM-based information : Overview on data layers and processing steps

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2025

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Deutsche Forschungsgemeinschaft (DFG): 471011418
Institutionen der Bundesrepublik Deutschland: 161L0243B
Institutionen der Bundesrepublik Deutschland: 016LW0146K
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ALTEX. Springer. 2025, 42(1), S. 167-180. ISSN 1868-596X. eISSN 1868-8551. Verfügbar unter: doi: 10.14573/altex.2412171

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Toxicological test methods generate raw data and provide instructions on how to use these to determine a final outcome such as a classification of test compounds as hits or non-hits. The data processing pipeline provided in the test method description is often highly complex. Usually, multiple layers of data, ranging from a machine-generated output to the final hit definition, are considered. Transition between each of these layers often requires several data processing steps. As changes in any of these processing steps can impact the final output of new approach methods (NAMs), the processing pipeline is an essential part of a NAM description and should be included in reporting templates such as the ToxTemp. The same raw data, processed in different ways, may result in different final outcomes that may affect the readiness status and regulatory acceptance of the NAM, as an altered output can affect robustness, performance, and relevance. Data management, pro­cessing, and interpretation are therefore important elements of a comprehensive NAM definition. We aim to give an overview of the most important data levels to be considered during the devel­opment and application of a NAM. In addition, we illustrate data processing and evaluation steps between these data levels. As NAMs are increasingly standard components of the spectrum of toxi­cological test methods used for risk assessment, awareness of the significance of data processing steps in NAMs is crucial for building trust, ensuring acceptance, and fostering the reproducibility of NAM outcomes.

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570 Biowissenschaften, Biologie

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ISO 690BLUM, Jonathan, Markus BRÜLL, Jan G. HENGSTLER, Daniel R. DIETRICH, Andreas J. GRUBER, Michele DIPALO, Thomas HARTUNG, Aswin MANGERICH, Silvia TANGIANU, Marcel LEIST, 2025. The long way from raw data to NAM-based information : Overview on data layers and processing steps. In: ALTEX. Springer. 2025, 42(1), S. 167-180. ISSN 1868-596X. eISSN 1868-8551. Verfügbar unter: doi: 10.14573/altex.2412171
BibTex
@article{Blum2025NAMba-71986,
  title={The long way from raw data to NAM-based information : Overview on data layers and processing steps},
  year={2025},
  doi={10.14573/altex.2412171},
  number={1},
  volume={42},
  issn={1868-596X},
  journal={ALTEX},
  pages={167--180},
  author={Blum, Jonathan and Brüll, Markus and Hengstler, Jan G. and Dietrich, Daniel R. and Gruber, Andreas J. and Dipalo, Michele and Hartung, Thomas and Mangerich, Aswin and Tangianu, Silvia and Leist, Marcel}
}
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