Akashi Masanori, Hisaka Toru, Sakai Hisamune, Ishikawa Hiroto, Kawahara Ryuichi, Goto Yuichi, Nomura Yoriko, Yasunaga Masafumi, Fujita Fumihiko, Tanigawa Masahiko, Naito Yoshiki, Akiba Jun, Yano Hirohisa, Tanaka Hiroyuki, Akagi Yoshito, Okuda Koji
Department of Surgery, Faculty of Medicine, Kurume University, Kurume, Japan.
Department of Surgery, Faculty of Medicine, Kurume University, Kurume, Japan
Anticancer Res. 2019 Aug;39(8):4485-4490. doi: 10.21873/anticanres.13623.
BACKGROUND/AIM: Intraductal papillary mucinous neoplasm (IPMN) has a variety of histological and morphological appearances. Matrix metalloproteinases (MMPs) have been considered to be associated with tumor progression or poor prognosis. The aim of this study was to elucidate the molecular basis of IPMN variation in different types of lesions.
The expression of MMP-1,2,7,9 in 51 cases of IPMN were investigated. The MMP score was calculated as the sum of the score of staining distribution and the score of the intensity staining.
MMP scores were correlated with histological grade, histological subtype, and type of invasion. MMP high expression groups (MMP score ≥5) had worse prognosis than low-expression groups.
MMP expression varied between different types of IPMN, a result supporting differences in molecular basis of malignancies. These considerations may be helpful for optimal management or treatment according to various types of IPMN.
背景/目的:导管内乳头状黏液性肿瘤(IPMN)具有多种组织学和形态学表现。基质金属蛋白酶(MMPs)被认为与肿瘤进展或预后不良有关。本研究的目的是阐明不同类型病变中IPMN变异的分子基础。
研究了51例IPMN中MMP-1、2、7、9的表达情况。MMP评分计算为染色分布评分与染色强度评分之和。
MMP评分与组织学分级、组织学亚型和侵袭类型相关。MMP高表达组(MMP评分≥5)的预后比低表达组差。
不同类型的IPMN之间MMP表达存在差异,这一结果支持了恶性肿瘤分子基础的差异。这些考量可能有助于根据不同类型的IPMN进行最佳管理或治疗。