Pekka T. Heikkinen
Papers
1
Total Citations
74
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1
About
Dr. Pekka T. Heikkinen is a leading toxicologist specializing in the development and validation of advanced in vitro genotoxicity assays. His major contribution lies in pioneering high-content, multiplexed flow cytometry-based methods that simultaneously measure multiple biomarkers of DNA damage—such as p53 activation, γH2AX phosphorylation, and mitotic arrest—from a single cell sample. This innovation dramatically improves the efficiency and mechanistic insight of genetic safety testing. His landmark work, the "Interlaboratory evaluation of a multiplexed high information content in vitro genotoxicity assay" (2017, 74 citations), demonstrated the robustness and transferability of this approach across different laboratories, establishing it as a reliable tool for regulatory toxicology. By integrating internal counting beads for precise data normalization, Dr. Heikkinen’s methods reduce false positives and enhance throughput. His research has been instrumental in moving genotoxicity testing toward more predictive, human-relevant models, directly impacting pharmaceutical and chemical safety assessment.
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