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Response letter to: letter to the editor: three-dimensional bioprinted hepatorganoids in liver failure
  1. Huayu Yang,
  2. Lejia Sun,
  3. Yilei Mao
  1. Department of Liver Surgery, Peking Union Medical College (PUMC) Hospital, PUMC& Chinese Academy of Medical Sciences, Beijing, China
  1. Correspondence to Prof Yilei Mao, Department of Liver Surgery, Peking Union Medical College (PUMC) Hospital, PUMC & Chinese Academy of Medical Sciences, Beijing, China; pumch-liver{at}hotmail.com

https://doi.org/10.1136/gutjnl-2020-322471

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    We thank Kaur et al1 for their valuable comments on our three-dimensional bioprinted hepatorganoids (3DP-HO) published in Gut.2 We have read with care all the concerns raised by Kaur et al1 and acknowledge the great contributions of Ghosh et al 3 to the field of 3D in vitro tumour cell cultures. We would like to discuss the issues in detail as below.

    First, this study showed that after 7 days of differentiation in vitro, HepaRG cells in 3DP-HOs expressed hepatic marker genes and exhibited albumin secretion (figure 2). The relevant experimental methods were described in detail in the supplementary materials. …

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    Footnotes

    • Contributors HY, LS and YM wrote the manuscript.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests None declared.

    • Patient consent for publication Not required.

    • Provenance and peer review Not commissioned; internally peer reviewed.