RRC ID 63867
Author Nakamura R, Oyama T, Inokuchi M, Ishikawa S, Hirata M, Kawashima H, Ikeda H, Dobashi Y, Ooi A.
Title Neural EGFL like 2 expressed in myoepithelial cells and suppressed breast cancer cell migration.
Journal Pathol Int
Abstract Breast tissue has a branching structure that contains double-layered cells, consisting primarily of luminal epithelial cells inside and myoepithelial cells outside. Ductal carcinoma in situ (DCIS) still has myoepithelial cells surrounding the cancer cells. However, myoepithelial cells disappear in invasive ductal carcinoma. In this study, we detected expression of neural EGFL like (NELL) 2 and one of its receptors, roundabout guidance receptor (ROBO) 3, in myoepithelial and luminal epithelial cells (respectively) in normal breast tissue. NELL2 also was expressed in myoepithelial cells surrounding the non-cancerous intraductal proliferative lesions and DCIS. However, the expression level and proportion of NELL2-positive cells in DCIS were lower than those in normal and non-cancerous intraductal proliferative lesions. ROBO3 expression was decreased in invasive ductal carcinoma compared to that in normal and non-cancerous intraductal proliferative lesions. An evaluation of NELL2's function in breast cancer cell lines demonstrated that full-length NELL2 suppressed cell adhesion and migration in vitro. In contrast, the N-terminal domain of NELL2 increased cell adhesion in the early phase and migration in vitro in some breast cancer cells. These results suggested that full-length NELL2 protein, when expressed in myoepithelial cells, might serve as an inhibitor of breast cancer cell migration.
Volume 71(5)
Pages 326-336
Published 2021-5-1
DOI 10.1111/pin.13087
PMID 33657249
MeSH Biomarkers, Tumor / metabolism Breast / pathology Breast Neoplasms* / metabolism Breast Neoplasms* / pathology Cadherins / metabolism Carcinoma, Intraductal, Noninfiltrating* / metabolism Carcinoma, Intraductal, Noninfiltrating* / pathology Cell Adhesion Cell Line, Tumor Cell Movement Epithelial Cells / metabolism Epithelial Cells / pathology Female Humans Receptors, Cell Surface / metabolism*
IF 2.11
Resource
Human and Animal Cells 293T(RCB2202)