Leucine zipper, down regulated in cancer-1 gene expression in prostate cancer.

Abstract:

:Numerous genetic alterations have been implicated in the development of prostate cancer (PCa). DNA and protein microarrays have enabled the identification of genes associated with apoptosis, which is important in PCa development. Despite the molecular mechanisms are not entirely understood, inhibition of apoptosis is a critical pathophysiological factor that contributes to the onset and progression of PCa. Leucine zipper, down-regulated in cancer 1 (LDOC-1) is a known regulator of the nuclear factor (NF)-mediated pathway of apoptosis through the inhibition of NF-κB. The present study investigated the expression of the LDOC-1 gene in LNCaP, PC-3, PNT1A and PNT2 prostate cell lines by reverse transcription-quantitative polymerase chain reaction. In addition LDOC-1 protein expression in normal prostate tissues and PCa was studied by immunohistochemistry. LDOC-1 messenger RNA resulted overexpressed in LNCaP and PC-3 PCa cell lines compared with the two normal prostate cell lines PNT1A and PNT2. The results of immunohistochemistry demonstrated a positive cytoplasmic LDOC-1 staining in all PCa and normal prostate samples, whereas no nuclear staining was observed in any sample. Furthermore, a more intense signal was evidenced in PCa samples. LDOC-1 gene overexpression in PCa suggests an activity of LDOC-1 in PCa cell lines.

journal_name

Oncol Lett

journal_title

Oncology letters

authors

Salemi M,Barone N,La Vignera S,Condorelli RA,Recupero D,Galia A,Fraggetta F,Aiello AM,Pepe P,Castiglione R,Vicari E,Calogero AE

doi

10.3892/ol.2016.4983

subject

Has Abstract

pub_date

2016-10-01 00:00:00

pages

2796-2800

issue

4

eissn

1792-1074

issn

1792-1082

pii

OL-0-0-4983

journal_volume

12

pub_type

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