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Inconsistent embryo selection across polygenic score methods

Private enterprises offer preimplantation genetic testing with polygenic scores to select embryos with ‘desirable’ potential. In silico simulations using biobank resources show that the selected embryo would rely substantially on the choice of polygenic score method and randomness in score construction, which raises ethical concerns.

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Fig. 1: Prominent inconsistency of embryo selection rank across PRS methods.

Data availability

The genotype data of Biobank Japan are available at NBDC Human Database, accession IDs JGAS000114 and JGAS000412.

Code availability

We constructed PRS using the following publicly available tools: LDpred2, PRScs, SBayesC, SBayesRC and MegaPRS.

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Acknowledgements

S.N. was supported by AMED (JP24tm0424228), Takeda Science Foundation, and Japan Foundation for Applied Enzymology. A.T. was supported by AMED (JP22km0405214). Y.O. was supported by JSPS KAKENHI (22H00476), AMED (JP21gm4010006, JP22km0405211, JP22ek0410075, JP22km0405217, JP22ek0109594, JP223fa627002, JP223fa627010, JP233fa627011, JP23zf0127008, JP23tm0524002, JP23ek0410113 and JP23kk0305022), JST Moonshot R&D (JPMJMS2021 and JPMJMS2024), Takeda Science Foundation, Bioinformatics Initiative of Osaka University Graduate School of Medicine, Institute for Open and Transdisciplinary Research Initiatives and Center for Infectious Disease Education and Research (CiDER), and Center for Advanced Modality and DDS (CAMaD), Osaka University. N.O. was supported by AMED (JP22dk0307113).

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Correspondence to Shinichi Namba or Yukinori Okada.

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Namba, S., Akiyama, M., Hamanoue, H. et al. Inconsistent embryo selection across polygenic score methods. Nat Hum Behav 8, 2264–2267 (2024). https://doi.org/10.1038/s41562-024-02019-y

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