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Title:Human INCENP colocalizes with the Aurora-B/AIRK2 kinase on chromosomes and is overexpressed in tumour cells.
Authors: Richard Adams ; Mark Eckley ; Paola Vagnarelli ; Sally Wheatley ; Dietlind Gerloff ; AListair Mackay ; William EArnshaw
Date:May 2001
Publication Title:Chromosoma
Publisher:Springer Berlin / Heidelberg
Publication Type:Journal Article Publication Status:Published
Volume No:110 Page Nos:65-74
DOI:10.1007/s004120100130 ISBN/ISSN:0009-5915
he inner centromere protein (INCENP), which has previously been described in chicken, frog and mouse, is required for correct chromosome segregation and cytokinesis. We have identified the human INCENP gene by library screening and reverse transcription-polymerase chain reaction (RT-PCR) and localized it to chromosomal region 11q12. HsINCENP is a single-copy gene that consists of 17 exons and covers 25 kb of genomic DNA. The gene is expressed at highest levels in the colon, testis and prostate, consistent with its likely role in cell proliferation. HsINCENP encodes a highly basic protein of 915 amino acids that localizes to metaphase chromosomes and to the mitotic spindle and equatorial cortex at anaphase. Recently we showed that INCENP is stockpiled in a complex with the Aurora-B/XAIRK2 kinase in Xenopus eggs. Here we demonstrate that, consistent with such an interaction, the two proteins colocalize on human metaphase chromosomes. Levels of Aurora-B are increased in several human cancers, and we show here that HsINCENP protein levels are also significantly increased in several colorectal cancer cell lines.
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Bibtex format
author = { Richard Adams and Mark Eckley and Paola Vagnarelli and Sally Wheatley and Dietlind Gerloff and AListair Mackay and William EArnshaw },
title = {Human INCENP colocalizes with the Aurora-B/AIRK2 kinase on chromosomes and is overexpressed in tumour cells.},
journal = {Chromosoma},
publisher = {Springer Berlin / Heidelberg},
year = 2001,
month = {May},
volume = {110},
pages = {65-74},
doi = {10.1007/s004120100130},

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