{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,5]],"date-time":"2025-10-05T04:12:51Z","timestamp":1759637571126},"reference-count":52,"publisher":"Cambridge University Press (CUP)","issue":"5","license":[{"start":{"date-parts":[[2009,12,24]],"date-time":"2009-12-24T00:00:00Z","timestamp":1261612800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Parasitology"],"published-print":{"date-parts":[[2010,4]]},"abstract":"<jats:title>SUMMARY<\/jats:title><jats:p>Uptake of triclabendazole by the liver fluke,<jats:italic>Fasciola hepatica<\/jats:italic>has been studied by experiments designed to block either oral uptake of drug, by use of ligatures, or trans-tegumental diffusion, by allowing the drug to bind to an excess of bovine serum albumin (BSA) in the medium. Changes to the tegumental system, musculature and gut were assessed using transmission electron microscopy. Flukes were incubated<jats:italic>in vitro<\/jats:italic>for 24 h in TCBZ.SO (15 \u03bcg\/ml). Disruption to the tegument and muscle was similar in ligatured and non-ligatured flukes, suggesting that closing the oral route did not affect drug uptake. The ultrastructure of the gastrodermal cells remained unchanged. Non-ligatured flukes were also incubated for 24 h<jats:italic>in vitro<\/jats:italic>in TCBZ.SO (15 \u03bcg\/ml) in the presence of red blood cells (RBCs). Oral uptake of blood was demonstrated, but gut ultrastructure remained normal, whereas the tegument was severely disrupted. In separate experiments, ligatured and non-ligatured flukes were incubated in TCBZ.SO (15 \u03bcg\/ml) in the presence of BSA (30 mg\/ml) for 24 h<jats:italic>in vitro<\/jats:italic>. There was a marked decrease in the degree of tegumental disruption observed compared with TCBZ.SO action alone; again, the gut remained normal. The findings support previous morphological and pharmacological studies indicating that trans-tegumental uptake of triclabendazole predominates in the liver fluke.<\/jats:p>","DOI":"10.1017\/s0031182009991247","type":"journal-article","created":{"date-parts":[[2009,12,24]],"date-time":"2009-12-24T09:47:00Z","timestamp":1261648020000},"page":"855-870","source":"Crossref","is-referenced-by-count":20,"title":["A transmission electron microscope study on the route of entry of triclabendazole into the liver fluke,<i>Fasciola hepatica<\/i>"],"prefix":"10.1017","volume":"137","author":[{"given":"E.","family":"TONER","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G. 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