Abstract
The in situ localization of antigenic substances inTrichinella spiralis muscle larvae was demonstrated at the subcellular level. Larvae recovered from mouse muscle were fixed with halfstrength Karnovsky fixative, dehydrated with alcohol, and embedded in LR White resin. Ultrathin sections were incubated with sera from infected Wistar rats and, subsequently, protein A-gold complex. The specificity of the immunostaining was confirmed by a control experiment. Positively immunostaining structures included the stichocyte granules, body cuticle, hindgut cuticle, hypodermis, hemolymph, glycogen aggregates, esophagusoccupying substance (EOS), midgut-occupying substance (MOS), brush border, cytoplasmic granules in the cord, intestinal gland cell granules, and discrete areas in the genital primordial cell. However, the esophageal cuticle, nucleus, nucleolus, mitochondria, rough endoplasmic reticulum, and muscle fibers were negative by immunostaining.
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Takahashi, Y., Uno, T., Mizuno, N. et al. Ultrastructural localization of antigenic substances inTrichinella spiralis . Parasitol Res 75, 316–324 (1989). https://doi.org/10.1007/BF00931817
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DOI: https://doi.org/10.1007/BF00931817