AUTHOR= Frontiers Editorial Office TITLE=Retraction: Bactericidal/Permeability-Increasing Protein Improves Cognitive Impairment in Diabetic Mice via Blockade of the LPS-LBP-TLR4 Signaling Pathway JOURNAL=Frontiers in Physiology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2021.839872 DOI=10.3389/fphys.2021.839872 ISSN=1664-042X