Abstract
A molecular classification of diseases that accurately reflects clinical behaviour lays the foundation of precision medicine. The development of in silico classifiers coupled with molecular implementation based on DNA reactions marks a key advance in more powerful molecular classification, but it nevertheless remains a challenge to process multiple molecular datatypes. Here we introduce a DNA-encoded molecular classifier that can physically implement the computational classification of multidimensional molecular clinical data. To produce unified electrochemical sensing signals across heterogeneous molecular binding events, we exploit DNA-framework-based programmable atom-like nanoparticles with n valence to develop valence-encoded signal reporters that enable linearity in translating virtually any biomolecular binding events to signal gains. Multidimensional molecular information in computational classification is thus precisely assigned weights for bioanalysis. We demonstrate the implementation of a molecular classifier based on programmable atom-like nanoparticles to perform biomarker panel screening and analyse a panel of six biomarkers across three-dimensional datatypes for a near-deterministic molecular taxonomy of prostate cancer patients.
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Data availability
The data that support the plots within this paper and other findings of this study are available from the corresponding author upon reasonable request. Furthermore, the miRNA, mRNA, PSA and SO data used in this study are available in ref. 47 and the National Center for Biotechnology Information database, https://www.ncbi.nlm.nih.gov/genome.
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Acknowledgements
This work was financially supported by the National Natural Science Foundation of China (T2188102, 22025404, 22001168); National Key R&D Program of China (2021YFF1200300); China National Postdoctoral Program for Innovative Talents (BX2021190) by the China Postdoctoral Science Foundation; Innovative Research Team of High-Level Local Universities in Shanghai (SHSMU-ZLCX20212602); 2022 Shanghai ‘Science and Technology Innovation Action Plan’ Fundamental Research Project (22JC1401202); Shanghai Jiao Tong University Scientific and Technological Innovation Funds (21X010202096) and Shanghai Municipal Health Commission (2022JC027).
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X.Z., C.F. and F.Y. conceived the study. F.Y., H.Z. and S.L. performed the experiments. F.Y performed the TIRFM imaging and nucleic acid information translation. H.Z. performed the TEM imaging and SO information translation. S.L. performed the AFM imaging and PSA information translation. J. Shen performed the target screen and data training. B.D. and W.X. provided samples and analysed the clinical data. F.Y., H.Z. and S.L. performed the clinical sample detection. F.Y., J. Shi, M.L., X.M., F.L. and J.L. carried out the assays and analysed the results. X.Z. and C.F. directed the research. X.Z., C.F. and F.Y. wrote the paper. X.Z., C.F. and X.Y. supervised the project. All authors read the paper and provided comments.
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Yin, F., Zhao, H., Lu, S. et al. DNA-framework-based multidimensional molecular classifiers for cancer diagnosis. Nat. Nanotechnol. 18, 677–686 (2023). https://doi.org/10.1038/s41565-023-01348-9
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DOI: https://doi.org/10.1038/s41565-023-01348-9
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