Development of the vitellaria of the liver fluke, Fasciola hepatica in the rat host

M W Robinson, L M Colhoun, I Fairweather, G P Brennan, J H Waite

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16 Citations (Scopus)

Abstract

The development of the vitellaria of Fasciola hepatica within the liver of its rat host was studied by means of whole-mount stained preparations and transmission electron microscopy, together with light and electron immunocytochemistry using an antibody to vitelline protein B, an eggshell precursor protein synthesized by F. hepatica. No vitelline cells could be identified in flukes recovered from the liver parenchyma, by any of the methods used. In contrast, follicles were present in flukes at the earliest time of recovery from the bile duct, namely, 5 weeks 3 days post-infection. The vitellaria in these flukes formed a row of small follicles on either side of the body. Development of the follicles was rapid: by 6 weeks 3 days, the vitellaria resembled those in the adult fluke and eggs were present in the uterus. Immunolabelling was confined to the shell protein globules in the vitelline cells, confirming the packaging of the eggshell protein within the shell globule clusters.
Original languageEnglish
Pages (from-to)509-18
Number of pages10
JournalParasitology
Volume123
Issue numberPt 5
DOIs
Publication statusPublished - 2001

ASJC Scopus subject areas

  • Immunology
  • Parasitology

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