NDLI: eIF3 regulates migration, invasion and apoptosis in cadmium transformed 16HBE cells and is a novel biomarker of cadmium exposure in a rat model and in workers

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eIF3 regulates migration, invasion and apoptosis in cadmium transformed 16HBE cells and is a novel biomarker of cadmium exposure in a rat model and in workers

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Toxicology Research Vol - 5 Issue - 2

Toxicology Research Vol - 5 Issue - 1

Toxicology Research Vol -4

Toxicology Research Vol -3

Toxicology Research Vol -2

Toxicology Research Vol -1

eIF3 regulates migration, invasion and apoptosis in cadmium transformed 16HBE cells and is a novel biomarker of cadmium exposure in a rat model and in workers

Content Provider	Royal Society of Chemistry (RSC)
Author	Lei, Yixiong Chen, Baoxin Lu, Qian Zheng, Chanjiao Huang, Qinhai Zhou, Zhiheng
Copyright Year	2016
Abstract	Translation (eukaryotic) initiation factor 3 (eIF3 or TIF3) has been found to be a proto-oncogene in cadmium (Cd) response both in vitro and vivo, but whether eIF3 may serve as a biomarker of Cd exposure is still unclear. This study aimed to investigate whether eIF3 could serve as a novel biomarker of Cd toxicity in cells, animals and workers, and regulate the apoptosis, migration and invasion in human bronchial epithelial cell (16HBE cells) transformation with cadmium chloride (CdCl2). In CdCl2 transformed 16HBE cells, eIF3 expression increased gradually, and sequencing did not identify mutation and methylation of eIF3. In 16HBE cells with eIF3 silencing by siRNA and CdCl2 treated 16HBE cells of the 15th and 35th generations, the apoptosis, migration and invasion were significantly inhibited, and the expressions of relevant genes were also altered (P < 0.05). In CdCl2 treated rats, eIF3 mRNA expression increased to different extents in the blood, liver, kidney, heart and lung, and this increase was dependent on the Cd concentration (P < 0.05). The eIF3 mRNA expression was related to the mRNA expressions of AKT, BAX, BCL-2, E-CADHERIN, CASPASE-3, EGFR, FOXC2, STAT3, TGF-β1 and VIMENTIN (P < 0.05). In 181 workers with Cd exposure, the eIF3 mRNA expression was positively related to the blood Cd, urine Cd and β2-microglobulin content (P < 0.05). This study showed that abnormally expressed eIF3 may regulate the apoptosis, migration and invasion of 16HBE cells with Cd toxicity. This suggests that eIF3 may become a novel and valuable biomarker of Cd toxicity and Cd-induced effects, and may regulate apoptosis, migration and invasion of 16HBE cells. Thus, the detection of eIF3 expression is important for the monitoring of Cd toxicity in humans.
Starting Page	761
Ending Page	772
Page Count	12
File Format	HTM / HTML PDF
ISSN	2045452X
Volume Number	5
Issue Number	3
Journal	Toxicology Research
DOI	10.1039/c5tx00250h
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Bcl-2 FOXC2 Biomarker Protein kinase B Liver Lung Eukaryote Small interfering RNA Cadmium chloride EGFR Kidney Epidermal growth factor receptor Messenger RNA Beta-2 microglobulin Urine Cadmium Oncogene STAT3 Eukaryotic initiation factor 3 Epithelium BAX Mutation Titanium(III) fluoride Methylation Apoptosis
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Toxicology

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eIF3 regulates migration, invasion and apoptosis in cadmium transformed 16HBE cells and is a novel biomarker of cadmium exposure in a rat model and in workers

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eIF3 regulates migration, invasion and apoptosis in cadmium transformed 16HBE cells and is a novel biomarker of cadmium exposure in a rat model and in workers