bcl-1, bcl-2, p53, c-myc, and lyt-10 analysis in cutaneous lymphomas.

S. A. Garatti, E. Roscetti, D. Trecca, N. S. Fracchiolla, A. Neri, E. Berti

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In the present study we investigated the pathogenetic role of c-myc, bcl-2, and lyt-10 oncogenes, bcl-1 locus, and p53 suppressor gene in a representative panel of cutaneous lymphomas, including 25 cases of cutaneous B cell lymphoma (CBCL) and 29 cases of cutaneous T cell lymphoma (CTCL). In our analysis four cases of CBCL were found rearranged for bcl-2 and two for the bcl-1 locus. Two cases of CTCL and one case of CBCL were found rearranged for lyt-10. No rearrangements of c-myc oncogene were found in CBCL. Analysis of p53 gene showed mutation only in one case of mycosis fungoides in tumoral stage, at codon 163 of p53 gene (TAC-->CAC; Tyr--> Asp). Our data suggest that in primary CBCL bcl-2 oncogenes and bcl-1 locus are rarely involved. Furthermore, in primary CTCL p53 gene is not affected at significant frequency. The occurrence of p53 mutation in a patient affected by mycosis fungoides in tumoral stage may represent an involvement of p53 gene in tumor progression of CTCL, a finding observed in several types of human cancer.

Original languageEnglish
Pages (from-to)249-261
Number of pages13
JournalRecent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer
Publication statusPublished - 1995

ASJC Scopus subject areas

  • Medicine(all)


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