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  • Title: Detection of Trichinella pseudospiralis antigen in the enteral phase in experimentally infected mice.
    Author: Boulos LM, el-Mansoury ST, Hegazy IH, Mashali NA, el-Gohari SH, Ebrahim ER.
    Journal: J Egypt Soc Parasitol; 1995 Aug; 25(2):461-9. PubMed ID: 7665942.
    Abstract:
    The distribution of T. pseudospiralis antigen in tissue sections of the intestine of infected mice was studied at different intervals (10, 21, 35 hours and 10 days post-infection (P.I.). Immunocytolocalization of antigen in the intestine was done by peroxidase antiperoxidase staining technique. Positive staining reaction of the enterocytes was noted in all durations examined. The mononuclear cells of the lamina propria were positively stained at 10 hrs P.I. while patchy staining of muscularis mucosa was observed at 10 days P.I. The present study revealed intense staining reaction in the stichosome and the cuticle of 10 hrs-old larvae L1, the intensity of the reaction decreased throughout the worm development, until it almost disappeared at 10 days P.I. The gut lining and its occupying substance were positive throughout the enteral phase. Intense staining reaction of the hypodermal cells was observed in L2, L3 and adult stage worm. The genital primordium was weakly stained in the larval stages while the male and female reproductive systems were moderately stained at the adult stage.
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