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Updated: Jun 2, 2026

Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus
Published on: March 8, 2012
Involvement of human T lymphotropic virus type I in human neoplasia
K Maruyama1, M Miyauchi, S Mochizuki
1CHIBA CANC CTR,RES INST,DIV PATHOL,CHUO KU,CHIBA 260,JAPAN.
Abstract:
Of 211 human tissues analyzed by PCR-SSCP and direct sequencing for HTLV-I genes, 165 (78.2%) gave positive signals. Signals detected in family members of adult T cell leukemia (ATL) patients showed mutations distinct from those in ATL. HTLV-I gene sequences showed variability in same persons examined at different times. Lymphocytes with prototypic HTLV-I genes showed higher sister chromatid exchange following MNNG treatment than those without. Nasopharyngeal carcinomas carrying both HTLV-I and Epstein-Barr virus genes showed markedly abnormal gene product expression. HTLV-I genes in human DNA may cause deregulation of host cell genes upon exposure to carcinogens including viruses.
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