Oncotarget | CCL20 and Signaling Pathways in Colorectal Cancer
Channel: Oncotarget
Date: 2021-11-24

Oncotarget’s cover paper this week (Volume 12, Issue 24) is entitled, "CCL20 induces colorectal cancer neoplastic epithelial cell proliferation, migration, and further CCL20 production through autocrine HGF-c-Met and MSP-MSPR signaling pathways," by researchers from Research Service, VA Boston Healthcare System, West Roxbury, MA; Harvard Medical School, Boston, MA; Beth Israel Deaconess Medical Center, Boston, MA; Dana-Farber Cancer Institute, Boston, MA; Medicine Service, VA Boston Healthcare System, West Roxbury, MA; Brigham and Women’s Hospital, Boston, MA; Surgery Service, VA Boston Healthcare System, West Roxbury, MA.

Abstract:
CCL20-CCR6 interactions promote colorectal cancer through direct effects on neoplastic epithelial cells and through modulating the tumor microenvironment. The mechanism of these effects on neoplastic epithelial cells is poorly understood. This study demonstrates that CCL20 induces secretion of hepatocyte growth factor (HGF) and phosphorylation of HGF’s cognate receptor c-Met in HT29 and HCT116 colorectal cancer cell lines both in concentration- and time-dependent manners. Similar to CCL20, HGF induces migration, autofeedback CCL20 secretion, and ERK1/2 phosphorylation in the colon cancer cells. CCL20-dependent ERK1/2 phosphorylation is blocked by HGF inhibition, and CCL20-dependent migration and CCL20 secretion are blocked by inhibition of HGF or ERK. Interestingly, unlike CCL20, HGF does not induce proliferation of colon cancer cells, and CCL20-dependent cell proliferation is not blocked by direct HGF inhibition. CCL20-dependent proliferation, however, is blocked by the multi-tyrosine kinase inhibitor crizotinib. Exploring this effect, it was found that CCL20 also induces production of MSP and phosphorylation of MSP’s receptor MSPR by the colorectal cancer cells. CCL20-dependent cell proliferation is inhibited by directly blocking MSP-MSPR interactions. Thus, CCL20-mediated migration and CCL20 secretion are regulated through a pathway involving HGF, c-Met, and ERK, while CCL20-mediated proliferation is instead regulated through MSP and its receptor MSPR.

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DOI - https://doi.org/10.18632/oncotarget.28131

Full text - https://www.oncotarget.com/article/28131/text/

Correspondence to - Jason S. Gold - jgold@bwh.harvard.edu

Keywords - CCL20, CCR6, HGF, MSP, colorectal cancer

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