Abstract:
BACKGROUND:Neonatal primates have been reported to receive pig hearts without hyperacute rejection (HAR). We examined the ontogeny of the anti-pig xenoantibody (XenoAb) and HAR in the neonatal and infant monkeys. METHODS:Twenty-six serum samples from 15 monkeys ages 14-192 days were subjected to hemagglutination titration against pig erythrocytes. Ten pig hearts were heterotopically transplanted into the monkeys. RESULTS:Six monkeys, ages 52-114 days, received pig hearts without HAR, and those ages 129-191 days hyperacutely rejected them. XenoAb titers were increased according to the age (Spearman's rank correlation value=0.909 (P<0.01)). XenoAb titers in 16 monkeys <4 months were significantly (P<0.01) lower than those in 10 monkeys >4 months. CONCLUSIONS:Anti-pig XenoAb titers increased with the age of the monkeys. XenoAb levels in monkeys >4 months are high enough to reject pig hearts hyperacutely.
journal_name
Transplantationjournal_title
Transplantationauthors
Kawauchi M,Nakajima J,Endoh M,Oka T,Takamoto Sdoi
10.1097/00007890-200008270-00025subject
Has Abstractpub_date
2000-08-27 00:00:00pages
686-8issue
4eissn
0041-1337issn
1534-6080journal_volume
70pub_type
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