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Downregulation of chemokine (C-C motif) ligand 5 induced by a novel 8-hydroxyquinoline derivative (91b1) suppresses tumor invasiveness in esophageal carcinoma
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Downregulation of chemokine (C-C motif) ligand 5 induced by a novel 8-hydroxyquinoline derivative (91b1) suppresses tumor invasiveness in esophageal carcinoma
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Downregulation of chemokine (C-C motif) ligand 5 induced by a novel 8-hydroxyquinoline derivative (91b1) suppresses tumor invasiveness in esophageal carcinoma
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Journal Article
Downregulation of chemokine (C-C motif) ligand 5 induced by a novel 8-hydroxyquinoline derivative (91b1) suppresses tumor invasiveness in esophageal carcinoma
2024
Overview
Esophageal squamous cell carcinoma (ESCC) is a particularly aggressive form of cancer with high mortality. In the present study, a novel 8-hydroxyquinoline derivative (91b1) was investigated for its anticancer activities in ESCC along with its associated mechanisms. The in vitro cytotoxic effect of 91b1 were evaluated across five ESCC cell lines using MTS assay, with cisplatin serving as a comparative standard. Changes in gene expression profile were identified by cDNA microarray and further validated by qualitative PCR and immunostaining. Additionally, protein levels of the most notably downregulated target in archival ESCC samples were also studied. 91b1 demonstrated comparable anticancer effect with cisplatin. Notably, chemokine ligand 5 (Ccl5) was identified as the most substantially downregulated gene, with its suppression at both mRNA and protein expression in ESCC cells, exhibiting a dose-dependent manner. The recombinant human protein of CCL5 enhanced the invasion of ESCC cells using the Transwell assay. The upregulation of CCL5 protein was also detected in 50% of ESCC cell lines. CCL5 was also overexpressed in 76.9% of ESCC specimens. The overall results indicated that 91b1 could effectively induce anticancer effect on ESCC cells through downregulating CCL5 expression with suppression of tumor invasion. Overall, these findings suggested that 91b1 effectively inhibited ESCC cell proliferation and tumor invasion by downregulating CCL5 expression, highlighting its potential as a therapeutic agent for ESCC treatment.
Publisher
D.A. Spandidos,Spandidos Publications UK Ltd
