Addendum to: Nature Medicine https://doi.org/10.1038/nm1057, published 30 May 2004.
The Editors would like to alert the readers that concerns have been raised regarding some of the data presented in the figures, specifically:
Fig. 1d appears to have repetitive patterns in the image;
Fig. 3f FGF-1 lane 3 appears highly similar to HGFR lane 2;
Fig. 3f TGF-β1 lanes 4 and 5 appear highly similar;
VEGFR-1 lanes 2 and 5 appear highly similar.
The Editors therefore no longer have confidence in the presented data.
Sanjeev Gupta has not responded to any correspondence from the Editors about this Editorial Expression of Concern. The Editors have not been able to obtain current email addresses for the other authors.
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Joseph, B., Berishvili, E., Benten, D. et al. Editorial Expression of Concern: Isolated small intestinal segments support auxiliary livers with maintenance of hepatic functions. Nat Med 32, 1938 (2026). https://doi.org/10.1038/s41591-026-04390-x
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DOI: https://doi.org/10.1038/s41591-026-04390-x
