Methods for preparation of vaccines against cancer comprising he

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Recombinant dna technique included in method of making a...

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530403, 536 231, 536 234, 536 235, 4353201, 435325, C12P 2106, C12N 1500

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059486465

ABSTRACT:
The present invention relates to methods for preparing immunogenic, prophylactically and therapeutically effective complexes of heat shock proteins noncovalently associated with antigenic peptides of cancer cells. The claimed methods comprise the constructing of a cDNA library from cancer or preneoplastic cell RNA, expressing the cDNA library in an appropriate host cell, and recovering the immunogenic complexes from the cells. Large amounts of such immunogenic complexes can be obtained by large-scale culturing of host cells containing the cDNA library. The complexes can be used as a vaccine to elicit specific immune responses against cancer or preneoplastic cells, and to treat or prevent cancer.

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