Role of MUC4-NIDO domain in the MUC4-mediated metastasis of pancreatic cancer cells

S. Senapati, V. S. Gnanapragassam, N. Moniaux, N. Momi, Surinder Kumar Batra

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

MUC4 is a large transmembrane type I glycoprotein that is overexpressed in pancreatic cancer (PC) and has been shown to be associated with its progression and metastasis. However, the exact cellular and molecular mechanism(s) through which MUC4 promotes metastasis of PC cells has been sparsely studied. Here we showed that the nidogen-like (NIDO) domain of MUC4, which is similar to the G1-domain present in the nidogen or entactin (an extracellular matrix protein), contributes to the protein-protein interaction property of MUC4. By this interaction, MUC4 promotes breaching of basement membrane (BM) integrity, and spreading of cancer cells. These observations are corroborated with the data from our study using an engineered MUC4 protein without the NIDO domain, which was ectopically expressed in the MiaPaCa PC cells, lacking endogenous MUC4 and nidogen protein. The in vitro studies demonstrated an enhanced invasiveness of MiaPaCa cells expressing MUC4 (MiaPaCa-MUC4) compared with vector-transfected cells (MiaPaCa-Vec; P=0.003) or cells expressing MUC4 without the NIDO domain (MiaPaCa-MUC4-NIDOΔ; P=0.03). However, the absence of NIDO-domain has no significant role on cell growth and motility (P=0.93). In the in vivo studies, all the mice orthotopically implanted with MiPaCa-MUC4 cells developed metastasis to the liver as compared with MiaPaCa-Vec or the MiaPaCa-MUC4-NIDOΔ group, hence, supporting our in vitro observations. Additionally, a reduced binding (P=0.0004) of MiaPaCa-MUC4- NIDOΔ cells to the fibulin-2 coated plates compared with MiaPaCa-MUC4 cells indicated a possible interaction between the MUC4-NIDO domain and fibulin-2, a nidogen-interacting protein. Furthermore, in PC tissue samples, MUC4 colocalized with the fibulin-2 present in the BM. Altogether, our findings demonstrate that the MUC4-NIDO domain significantly contributes to the MUC4-mediated metastasis of PC cells. This may be partly due to the interaction between the MUC4-NIDO domain and fibulin-2.

Original languageEnglish (US)
Pages (from-to)3346-3356
Number of pages11
JournalOncogene
Volume31
Issue number28
DOIs
StatePublished - Jul 12 2012

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Pancreatic Neoplasms
Neoplasm Metastasis
nidogen
Proteins
Basement Membrane
Extracellular Matrix Proteins
Cell Movement
Glycoproteins

Keywords

  • MUC4
  • MUC4 domains
  • NIDO domain
  • metastasis
  • pancreatic cancer

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Role of MUC4-NIDO domain in the MUC4-mediated metastasis of pancreatic cancer cells. / Senapati, S.; Gnanapragassam, V. S.; Moniaux, N.; Momi, N.; Batra, Surinder Kumar.

In: Oncogene, Vol. 31, No. 28, 12.07.2012, p. 3346-3356.

Research output: Contribution to journalArticle

Senapati, S, Gnanapragassam, VS, Moniaux, N, Momi, N & Batra, SK 2012, 'Role of MUC4-NIDO domain in the MUC4-mediated metastasis of pancreatic cancer cells', Oncogene, vol. 31, no. 28, pp. 3346-3356. https://doi.org/10.1038/onc.2011.505
Senapati, S. ; Gnanapragassam, V. S. ; Moniaux, N. ; Momi, N. ; Batra, Surinder Kumar. / Role of MUC4-NIDO domain in the MUC4-mediated metastasis of pancreatic cancer cells. In: Oncogene. 2012 ; Vol. 31, No. 28. pp. 3346-3356.
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