Abstract
Dinitrophenylation of tumor cells was investigated as a method for augmenting tumor cell antigenicity in the DNCB-sensitized host. Strain-2 guinea pigs were hyper-immunized to DNCB by intradermal injection. A syngeneic methylcholanthrene-induced sarcoma (MCA-25), was conjugated to DNCB without significant loss of viability. DNCB-Sensitized animals and unsensitized animals were injected intradermally on opposite flanks with conjugated and unconjugated tumor cells. DNCB-Conjugated tumor cells produced significantly fewer tumors in DNCB-sensitized animals (8/21) when compared to unsensitized animals (17/22). The growth of unconjugated tumor cells was significantly inhibited by the simultaneous injection of conjugated tumor cells in DNCB-sensitized animals. DNCB sensitization did not affect tumor growth in a control group receiving unconjugated tumor cells. DNCB sensitization, therefore, will induce immunity to the hapten-tumor cell conjugate.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1-7 |
| Number of pages | 7 |
| Journal | Journal of Surgical Research |
| Volume | 25 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jul 1978 |
ASJC Scopus subject areas
- Surgery
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