首页|CCN1 suppresses cell proliferation of esophageal squamous cell carcinoma through amyloid precursor protein without DR6 participation
CCN1 suppresses cell proliferation of esophageal squamous cell carcinoma through amyloid precursor protein without DR6 participation
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NSTL
Elsevier
Esophageal cancer is commonly seen as either squamous cell carcinoma (ESCC) or adenocarcinoma (EAC), two very different cancers. CCN1 is a matricellular protein that induces apoptosis in EAC cells through upregulation of DR5, a death receptor, while its role in ESCC is unclear. DR6 is another death receptor, which has been re -ported to induce apoptosis, necroptosis, or pyroptosis in various cell systems with or without the engagement of its putative ligand amyloid precursor protein (APP). In this study, we found that CCN1 and DR6 were both highly expressed in ESCC but downregulated in EAC. Overexpression of CCN1 in ESCC cells inhibited cell proliferation through upregulation of APP and its association with p53 without DR6 involvement. Overexpression of APP stopped cell growth, but overexpression of DR6 did not affect cell growth or cell death whatsoever.
NSTL
Elsevier
