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Association of iron metabolic enzyme hepcidin expression levels with the prognosis of patients with pancreatic cancer.

Abstract：

:Hepcidin and ferroportin, which are known as key iron regulators, may be used in future treatments of pancreatic ductal adenocarcinoma. Iron is essential for life support; it helps oxygen molecules bind to hemoglobin and acts as an important catalytic enzyme center. However, iron overload is a risk factor for cancer, possibly through the generation of reactive oxygen species (ROS). Hepcidin, which is a peptide hormone mainly generated by the liver, inhibits iron absorption via enterocytes and iron release from macrophages. Notably, hepcidin regulates iron homeostasis in the body by regulating the iron transporter ferroportin. In the present study, it was assumed that high hepcidin expression and low ferroportin expression result in malignancy. Therefore, it was examined whether hepcidin and ferroportin expression levels were correlated with the prognosis of pancreatic cancer in patients. Results revealed that high hepcidin expression levels and low ferroportin expression levels in pancreatic cancer tissue were significantly associated with poor prognosis in the analyses of overall survival (P=0.0140 and 0.0478, respectively). Additionally, there was no significant difference in disease-free survival in the hepcidin- and ferroportin-staining groups. Hepcidin expression correlated with the pathological stage and vascular invasion (P=0.0493 and 0.0400, respectively), and ferroportin expression was correlated with age (P=0.0372). Multivariate analysis of overall survival in the hepcidin-staining group revealed that pathological N factor (pN), adjuvant chemotherapy, and hepcidin expression were independent prognostic factors (P=0.0450, 0.0002, and 0.0049, respectively). Similarly, multivariate analysis of overall survival in the ferroportin-staining group revealed that vascular invasion, and ferroportin expression were independent prognostic factors (P=0.0028, P<0.0001, and P=0.0056, respectively). Thus, hepcidin and ferroportin expressions might be novel prognostic indicators for pancreatic cancer.

journal_name

Oncol Lett

journal_title

Oncology letters

authors

Toshiyama R,Konno M,Eguchi H,Asai A,Noda T,Koseki J,Asukai K,Ohashi T,Matsushita K,Iwagami Y,Yamada D,Asaoka T,Wada H,Kawamoto K,Gotoh K,Kudo T,Satoh T,Doki Y,Mori M,Ishii H

doi

10.3892/ol.2018.8357

subject

Has Abstract

pub_date

2018-05-01 00:00:00

pages

8125-8133

issue

eissn

1792-1074

issn

1792-1082

pii

OL-0-0-8357

journal_volume

pub_type

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Association of iron metabolic enzyme hepcidin expression levels with the prognosis of patients with pancreatic cancer.