Abstract：
:Passive transfer of immunity to Taenia taeniaeformis was achieved with serum taken 14, 21, 49 and 63 days after infection. The protective capacity of serum collected at 14 and 21 days resided in the 7Sgamma2 immunoglobulins and appeared to be partics the infection progressed the range of chromatographic fractions showing protective capacity was extended to all those containing 7Sgamma2 and 7Sgamma1 immunoglobulins. Fractions enriched for gammaM did not confer protection. Immune serum containing 7Sgamma2a antibodies was able to kill developing parasites after they had left the intestine, and the hepatic postoncospheral forms retained their susceptibility to antibody over the first 5 days of growth. After that time they rapidly became insusceptible to antibody both in vivo and in vitro. Susceptibility to antibody-mediated attack was complement dependent. This appears to be the first time that complement has been demonstrated to play a role in immunity to a helminth infection in vivo. This finding is discussed in relation to the phenomenon of cestode parasite survival in immune animals.
journal_name
Immunologyjournal_title
Immunologyauthors
Musoke AJ,Williams JFkeywords:
subject
Has Abstractpub_date
1975-11-01 00:00:00pages
855-66issue
5eissn
0019-2805issn
1365-2567journal_volume
29pub_type
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