Relocation of the carboxyterminal part of CAN from the nuclear envelope to the nucleus as a result of leukemia-specific chromosome rearrangements

Maarten Fornerod, Judith Boer, Sjozèf Van Baal, Martine Jaeglé, Marieke Von Lindern, K. Gopal Murti, Donna Davis, Jacqueline Bonten, Arjan Buijs, Gerard Grosveld*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

145 Citations (Scopus)

Abstract

Fusion genes encoding the 3' part of the can gene are implicated in two types of leukemia. The dek-can fusion gene is present in t(6;9) acute myeloid leukemia and the set-can fusion gene is present in one case of acute undifferentiated leukemia. In order to obtain leads towards the molecular basis of these diseases, we have studied the cellular localization of the DEK-CAN and SET-CAN fusion proteins and their normal counterparts. DEK-CAN and SET-CAN were localized exclusively in the nucleus, and also DEK and SET were found to be nuclear proteins. However, CAN was mainly located at the nuclear and cytoplasmic face of the nuclear envelope. This observation is in accordance with the presence of an amino acid repeat in the C-terminal part of CAN, common to the family of nucleoporins. The C-terminal part also contains a nuclear location domain as shown by deletion analysis. This domain may be important for the presence of CAN at the nucleoplasmic side of the nuclear envelope. The relocation of the carboxyterminal part of CAN due to DEK-CAN and SET-CAN may reinforce a nuclear function of the CAN protein.

Original languageEnglish
Pages (from-to)1739-1748
Number of pages10
JournalOncogene
Volume10
Issue number9
Publication statusPublished - 4 May 1995

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