L1CAM induces perineural invasion of pancreas cancer cells by upregulation of metalloproteinase expression

Pancreas cancer cells have a tendency to invade along nerves. Such cancerous nerve invasion (CNI) is associated with poor outcome; however, the exact mechanism that drives cancer cells to disseminate along nerves is unknown. Immunohistochemical analysis of human pancreatic ductal adenocarcinoma (PDA...

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Veröffentlicht in:Oncogene 2019-01, Vol.38 (4), p.596-608
Hauptverfasser: Na’ara, Shorook, Amit, Moran, Gil, Ziv
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Amit, Moran
Gil, Ziv
description Pancreas cancer cells have a tendency to invade along nerves. Such cancerous nerve invasion (CNI) is associated with poor outcome; however, the exact mechanism that drives cancer cells to disseminate along nerves is unknown. Immunohistochemical analysis of human pancreatic ductal adenocarcinoma (PDAC) specimens showed overexpression of the L1 cell adhesion molecule (L1CAM) in cancer cells and in adjacent Schwann cells (SC) in invaded nerves. By modeling the neural microenvironment, we found that L1CAM secreted from SCs acts as a strong chemoattractant to cancer cells, through activation of MAP kinase signaling. L1CAM also upregulated expression of metalloproteinase-2 (MMP-2) and MMP-9 by PDAC cells, through STAT3 activation. Using a transgenic Pdx-1-Cre/KrasG12D /p53R172H (KPC) mouse model, we show that treatment with anti-L1CAM Ab significantly reduces CNI in vivo. We provide evidence of a paracrine response between SCs and cancer cells in the neural niche, which promotes cancer invasion via L1CAM secretion.
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Such cancerous nerve invasion (CNI) is associated with poor outcome; however, the exact mechanism that drives cancer cells to disseminate along nerves is unknown. Immunohistochemical analysis of human pancreatic ductal adenocarcinoma (PDAC) specimens showed overexpression of the L1 cell adhesion molecule (L1CAM) in cancer cells and in adjacent Schwann cells (SC) in invaded nerves. By modeling the neural microenvironment, we found that L1CAM secreted from SCs acts as a strong chemoattractant to cancer cells, through activation of MAP kinase signaling. L1CAM also upregulated expression of metalloproteinase-2 (MMP-2) and MMP-9 by PDAC cells, through STAT3 activation. Using a transgenic Pdx-1-Cre/KrasG12D /p53R172H (KPC) mouse model, we show that treatment with anti-L1CAM Ab significantly reduces CNI in vivo. 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Such cancerous nerve invasion (CNI) is associated with poor outcome; however, the exact mechanism that drives cancer cells to disseminate along nerves is unknown. Immunohistochemical analysis of human pancreatic ductal adenocarcinoma (PDAC) specimens showed overexpression of the L1 cell adhesion molecule (L1CAM) in cancer cells and in adjacent Schwann cells (SC) in invaded nerves. By modeling the neural microenvironment, we found that L1CAM secreted from SCs acts as a strong chemoattractant to cancer cells, through activation of MAP kinase signaling. L1CAM also upregulated expression of metalloproteinase-2 (MMP-2) and MMP-9 by PDAC cells, through STAT3 activation. Using a transgenic Pdx-1-Cre/KrasG12D /p53R172H (KPC) mouse model, we show that treatment with anti-L1CAM Ab significantly reduces CNI in vivo. We provide evidence of a paracrine response between SCs and cancer cells in the neural niche, which promotes cancer invasion via L1CAM secretion.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>30171263</pmid><doi>10.1038/s41388-018-0458-y</doi><tpages>13</tpages></addata></record>
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subjects 13/1
13/106
13/51
13/89
13/95
14/19
631/67/322
631/67/327
82/29
Adenocarcinoma
Animals
Apoptosis
Cancer
Cancer cells
Cancer treatment
Carcinoma, Pancreatic Ductal - enzymology
Carcinoma, Pancreatic Ductal - genetics
Carcinoma, Pancreatic Ductal - pathology
Care and treatment
Cell adhesion & migration
Cell adhesion molecules
Cell Biology
Culture Media, Conditioned
Development and progression
Enzyme Induction - drug effects
Gelatinase A
Gelatinase B
Gene expression
Genetic aspects
Genetic engineering
Health aspects
Human Genetics
Humans
Internal Medicine
MAP kinase
Medicine
Medicine & Public Health
Metalloproteases - biosynthesis
Metalloproteases - genetics
Metalloproteinase
Mice
Mice, Transgenic
Neoplasm Invasiveness - physiopathology
Neoplasm Proteins - genetics
Neoplasm Proteins - immunology
Neoplasm Proteins - physiology
Nerves
Neural Cell Adhesion Molecule L1 - genetics
Neural Cell Adhesion Molecule L1 - immunology
Neural Cell Adhesion Molecule L1 - physiology
Oncology
Pancreas
Pancreatic cancer
Pancreatic Neoplasms - enzymology
Pancreatic Neoplasms - genetics
Pancreatic Neoplasms - pathology
Paracrine signalling
Proteases
RNA Interference
RNA, Small Interfering - pharmacology
Schwann cells
Schwann Cells - physiology
Stat3 protein
Up-Regulation
title L1CAM induces perineural invasion of pancreas cancer cells by upregulation of metalloproteinase expression
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