Immunity to transplantable carcinogen-induced fibrosarcomas in B2/B2 chickens. I. Use of bacterial adjuvants in induction of immunity demonstrable in Winn tests. |
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Authors: | M A Palladino G J Thorbecke |
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Institution: | Department of Pathology, New York University School of Medicine, 550 First Avenue, New York, New York 10016 USA |
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Abstract: | Tumor line specific immunity could be induced in chickens with the use of BCG or CP. Direct contact between bacteria and tumor cells was required for immunity induction, but succeeded only in animals which also had been previously injected with the same bacterial vaccine. While other methods such as iv injected live mitomycin treated tumor was capable of inducing immunity, only BCG or CP mediated immunity was capable of being adoptively transferred in the Winn assay. Bursectomized agamma-globulinemic chickens also produced strong transferable immunity. Crossreactivity between transplant lines was detectable upon rechallenge of immune donors but was not evident upon adoptive immunity transfer. Immunity was detectable in the spleen and in peripheral blood lymphocytes but could not be transferred by thymus cells. |
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