Retraction

Retraction of the Research Article: “Molecular targeting of FATP4 transporter for oral delivery of therapeutic peptide” by Z. Hu, S. Nizzero, S. Goel, L. E. Hinkle, X. Wu, C. Li, M. Ferrari and H. Shen

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Science Advances  26 Jun 2020:
Vol. 6, no. 26, eabc9572
DOI: 10.1126/sciadv.abc9752

In the research article, “Molecular targeting of FATP4 transporter for oral delivery of therapeutic peptide” (1), we reported development of a chitosan nanoparticle-coated liposome for oral delivery of long-chain fatty acid (LCFA)-conjugated peptide drugs, promoting absorption through the FATP4 transporter. After publication, readers identified duplicated image regions in multiple figure panels. Alerted to these concerns, the corresponding author’s institution performed a review of the supporting data and research records and determined that the research was not performed according to expected standards and was not reliable. Therefore, we wish to retract this research article promptly. We apologize that these errors were not discovered before the manuscript was published. All of the authors have agreed the paper should be retracted, except Dr. Zhenhua Hu who did not respond to our communications.

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