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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Clin+Cancer+Res
2012 ; 18
(16
): 4313-24
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
The zinc finger gene ZIC2 has features of an oncogene and its overexpression
correlates strongly with the clinical course of epithelial ovarian cancer
#MMPMID22733541
Marchini S
; Poynor E
; Barakat RR
; Clivio L
; Cinquini M
; Fruscio R
; Porcu L
; Bussani C
; D'Incalci M
; Erba E
; Romano M
; Cattoretti G
; Katsaros D
; Koff A
; Luzzatto L
Clin Cancer Res
2012[Aug]; 18
(16
): 4313-24
PMID22733541
show ga
PURPOSE: Epithelial ovarian tumors (EOT) are among the most lethal of
malignancies in women. We have previously identified ZIC2 as expressed at a
higher level in samples of a malignant form (MAL) of EOT than in samples of a
form with low malignant potential (LMP). We have now investigated the role of
ZIC2 in driving tumor growth and its association with clinical outcomes.
EXPERIMENTAL DESIGN: ZIC2 expression levels were analyzed in two independent
tumor tissue collections of LMP and MAL. In vitro experiments aimed to test the
role of ZIC2 as a transforming gene. Cox models were used to correlate ZIC2
expression with clinical endpoints. RESULTS: ZIC2 expression was about 40-fold in
terms of mRNA and about 17-fold in terms of protein in MAL (n = 193) versus LMP
(n = 39) tumors. ZIC2 mRNA levels were high in MAL cell lines but undetectable in
LMP cell lines. Overexpression of ZIC2 was localized to the nucleus. ZIC2
overexpression increases the growth rate and foci formation of NIH3T3 cells and
stimulates anchorage-independent colony formation; downregulation of ZIC2
decreases the growth rate of MAL cell lines. Zinc finger domains 1 and 2 are
required for transforming activity. In stage I MAL, ZIC2 expression was
significantly associated with overall survival in both univariate (P = 0.046) and
multivariate model (P = 0.049). CONCLUSIONS: ZIC2, a transcription factor related
to the sonic hedgehog pathway, is a strong discriminant between MAL and LMP
tumors: it may be a major determinant of outcome of EOTs.
|*Gene Expression
[MESH]
|Animals
[MESH]
|Carcinoma, Ovarian Epithelial
[MESH]
|Cell Line, Tumor
[MESH]
|Cell Proliferation
[MESH]
|Cell Transformation, Neoplastic/genetics
[MESH]
|Female
[MESH]
|Humans
[MESH]
|Mice
[MESH]
|NIH 3T3 Cells
[MESH]
|Neoplasms, Glandular and Epithelial/*genetics/metabolism/mortality
[MESH]