| 摘要 |
The invention concerns a method for detecting the expression of an envelope protein or polypeptide of a human endogenous retrovirus, characterised in that the protein or polypeptide has a polypeptide sequence comprising the sequence SEQ ID NO: 1 or a fragment of SEQ ID NO: 1 or a sequence having, for every sequence of 20 amino acids, at least 90 % identity with the SEQ ID NO: 1 or with a fragment of SEQ ID NO: 1, and the method consists in detecting the fusogenic power of said protein or said fragment in the cells of a cell tissue or cell culture, by demonstrating the formation of syncytia. A gene or a nucleic acid or a fragment thereof is used for preparing a therapeutic or prophylactic composition, in particular for treating cancers and for preventing deficiency in placental development.
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