PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33596948-5 2021 RESULTS: Both TiO2 notably increased the intestinal villi height / crypt depth ratios after 1 and 3 months of exposure, and increased the expression of ileal tight junction proteins (ZO-1 and occludin) after 1 month of exposure. titanium dioxide 14-18 occludin Mus musculus 192-200