Endonuclein is a cell cycle regulated WD-repeat protein that is up-regulated in adenocarcinoma of the pancreas.

Abstract:

:The transcript encoding endonuclein, the human homolog of yeast PWP1, was previously found up-regulated in pancreatic cancer tissue. By immunohistochemistry we detected a ubiquitous presence in several tissues examined: skin, liver, thyroid gland, heart muscle, neurons, kidney, bladder, pancreas, adrenal gland, ovary, uterus, testis and prostate gland. We especially noticed that normal pancreatic exocrine cells exhibited low protein levels while pancreatic adenocarcinoma cells revealed high levels. We found a heterogeneous subcellular distribution, especially with varying nuclear levels. In proliferating cells endonuclein protein expression and localization was cell cycle dependent, with increasing levels and nuclear focusing during the interphase toward mitosis. Ultrastructural analysis revealed ER and nuclear localization. Endonuclein contains five WD-repeats, indicating a putative role in crucial regulatory activities in the nucleus as well as in the ER.

journal_name

Oncogene

journal_title

Oncogene

authors

Honoré B,Baandrup U,Nielsen S,Vorum H

doi

10.1038/sj.onc.1205186

subject

Has Abstract

pub_date

2002-02-07 00:00:00

pages

1123-9

issue

7

eissn

0950-9232

issn

1476-5594

journal_volume

21

pub_type

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