Abstract:
:High levels of anti-phosphatidylinositol (PtdIns) autoantibodies (autoAb) have been previously described in sera of cancer patients and in plasma of dimethylbenzanthracene-treated female Sprague-Dawley rats. The presence of anti-PtdIns autoAb was tested in a model of highly malignant sarcomas induced by a single dose of benzo(a)pyrene [B(a)P] diluted in sesame oil and injected in female Sprague-Dawley rats. Significantly elevated levels of anti-PtdIns autoAb were found in sera of B(a)P-treated rats 40 days after B(a)P administration, whereas no significant levels of anti-PtdIns autoAb were noted in oil- or benzo(e)pyrene-treated rats. After day 60, autoantibody levels plateaued in B(a)P-treated rats, and highly malignant sarcomas appeared with 100% efficiency around day 100. Anti-PtdIns autoAb avidity and specificity were found to be high.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Faiderbe S,Chagnaud JL,Geffard Msubject
Has Abstractpub_date
1992-05-15 00:00:00pages
2862-5issue
10eissn
0008-5472issn
1538-7445journal_volume
52pub_type
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