Abstract
A renal cell carcinoma has been established as a cell line in vitro. Repeated chromosome analyses of the cell line revealed a stable clone with the modal chromosome number 80 and three pairs of marker chromosomes, M1-M3. M1 and M2 resulted from a translocation between a chromosome #3 deleted in band p14 and a normal #7: M1 = der(3)t(3;7)(:3p14→cen→3q24::7q21→7qter), and M2 = der(7)t(3;7)(3qter→3q24::7q21→cen→7pter). M3 was a small metacentric chromosome, probably consisting of the centromeric portion of a #3: del(3)(:p14→cen→q12:). No other structural changes were present. Our findings are in agreement with those of previous studies, stating that rearrangements of 3p12–14 are primary cytogenetic events in renal cell carcinomas, even though this can only be inferred in this case. Thus, this cell line may be useful for further molecular and biochemical studies.
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