MeSH headings : Animals; Cell Line; Cell Membrane Permeability / drug effects; Doxorubicin / metabolism; Doxorubicin / pharmacology; Duodenum / metabolism; Epithelium / metabolism; Intestinal Mucosa / drug effects; Intestinal Mucosa / metabolism; Intestine, Small / drug effects; Intestine, Small / metabolism; Jejunum / metabolism; Male; Mice; Mice, Inbred C57BL; Permeability / drug effects; Tight Junctions / metabolism

TL;DR: DXR increases paracellular transit of small macromolecules, including bacterial products, through the epithelium, by altering expression of tight junctional components and dynamic loosening of cellular tight junctions. (via Semantic Scholar)