The 12q13‐q15 translocation breakpoints in pleomorphic adenoma and clear‐cell sarcoma of tendons and aponeuroses are different from that in myxoid liposarcoma

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Abstract
The transcription factor gene CHOP was recently shown to be rearranged in myxoid liposarcoma with t(12;16)(q13;p11). We have analyzed whether the CHOP gene is the target of rearrangements in pleomorphic adenoma and clear-cell sarcoma of tendons and aponeuroses with chromosome abnormalities of 12q13-q15. Restriction fragment analysis showed that the CHOP gene and its flanking sequences were not rearranged in any of these tumor types, indicating that the 12q translocation breakpoints in pleomorphic adenoma and clear-cell sarcoma are different from that in myxoid liposarcoma.