Abstract:
OBJECTIVE:Mitochondrial transcription factor A (mtTFA) is mandatory for both the transcription and maintenance of mitochondrial DNA. This study aimed to investigate the significance of mtTFA expression in pancreatic ductal adenocarcinoma (PDAC). METHODS:Surgical specimens from 93 patients with PDAC who all underwent pancreatectomy were immunohistochemically stained using a polyclonal anti-mtTFA antibody. The relationship between the expression of mtTFA, clinicopathologic factors, and prognosis of these patients were evaluated. RESULTS:Positive mtTFA expression was significantly associated with lymphovascular invasion and metastatic recurrence in the liver and correlated with an advanced surgical stage. A univariate analysis showed that the patients with positive mtTFA expression had a significantly shorter survival time than those patients with negative mtTFA expression, and a multivariate analysis revealed that mtTFA expression was one of the independent prognostic factors in patients with PDAC. Positive mtTFA expression was significantly correlated with a low apoptotic index but not significantly correlated with the mind bomb homolog-1 (MIB-1) index. CONCLUSIONS:The expression mtTFA worsens the clinical course of patients with PDAC through the inhibition of apoptosis of PDAC cells and is an independent marker for the poor prognosis of the patients with PDAC after pancreatectomy. Mitochondrial transcription factor A may be a novel target for the treatment of PDAC.
journal_name
Pancreasjournal_title
Pancreasauthors
Yamauchi M,Nakayama Y,Minagawa N,Torigoe T,Shibao K,Yamaguchi Kdoi
10.1097/MPA.0000000000000049subject
Has Abstractpub_date
2014-04-01 00:00:00pages
405-10issue
3eissn
0885-3177issn
1536-4828pii
00006676-201404000-00012journal_volume
43pub_type
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