Mapping the X chromosome breakpoint in two papillary renal cell carcinoma cell 
lines with a t(X;1)(p11.2;q21.2) and the first report of a female case

Shipley, J. M.; Birdsall, S.; Clark, J.; Crew, J.; Gill, S.; Linehan, M.; Gnarra, J.; Fisher, Simon E.; Craig, I. W.; Cooper, C. S.

doi:DOI: 10.1159/000134127

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Mapping the X chromosome breakpoint in two papillary renal cell carcinoma cell lines with a t(X;1)(p11.2;q21.2) and the first report of a female case

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Citation

Shipley, J. M., Birdsall, S., Clark, J., Crew, J., Gill, S., Linehan, M., et al. (1995). Mapping the X chromosome breakpoint in two papillary renal cell carcinoma cell lines with a t(X;1)(p11.2;q21.2) and the first report of a female case. Cytogenetic and genome research, 71(3), 280-284. doi:DOI: 10.1159/000134127.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-CC01-0

Abstract

A t(X;1)(p11.2;q21.2) has been reported in cases of papillary renal cell tumors arising in males. In this study two cell lines derived from this tumor type have been used to indicate the breakpoint region on the X chromosome. Both cell lines have the translocation in addition to other rearrangements and one is derived from the first female case to be reported with the t(X;1)(p11.2;q21.2). Fluorescence in situ hybridization (FISH) has been used to position YACs belonging to contigs in the Xp11.2 region relative to the breakpoint. When considered together with detailed mapping information from the Xp11.2 region the position of the breakpoint in both cell lines was suggested as follows: Xpter-->Xp11.23-OATL1-GATA1-WAS-TFE3-SY P-t(X;1)-DXS255-CLCN5-DXS146-OATL2- Xp11.22-->Xcen. The breakpoint was determined to lie in an uncloned region between SYP and a YAC called FTDM/1 which extends 1 Mb distal to DXS255. These results are contrary to the conclusion from previous FISH studies that the breakpoint was near the OATL2 locus, but are consistent with, and considerably refine, the position that had been established by molecular analysis.