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Environ Toxicol Pharmacol. 2016 Oct;47:136-141. doi: 10.1016/j.etap.2016.09.018. Epub 2016 Sep 26.

The immune responses and expression of metallothionein (MT) gene and heat shock protein 70 (HSP 70) in juvenile rockfish, Sebastes schlegelii, exposed to waterborne arsenic (As3+).

Author information

1
Department of Aquatic Life Medicine, Pukyong National University, Busan 608-737, Republic of Korea.
2
Department of Aquatic Life Medicine, Pukyong National University, Busan 608-737, Republic of Korea. Electronic address: jckang@pknu.ac.kr.

Abstract

Juvenile rockfish, Sebastes schlegelii (mean length 16.4±1.9cm, and mean weight 71.6±6.4g) were exposed for 20days with the different levels of waterborne arsenic concentration (0, 50, 100, 200 and 400μg/L). The plasma cortisol of S. schlegelii was significantly increased by the waterborne arsenit exposure. In the immune responses, the immunoglobulin M (Ig M) and lysozyme activity of S. schlegelii were significantly increased by the waterborne arsenic exposure. The acetylcholinesterase (AChE) activity of S. schlegelii was inhibited by the waterborne arsenic exposure. The substantial increases in the gene expression such as metallothionein (MT) and heat shock protein 70 (HSP 70) were observed by the waterborne arsenic exposure. The results demonstrated that waterborne arsenic exposure can induce the significant alterations in the immune responses and specific gene expression of S. schlegelii.

KEYWORDS:

Arsenic; Heat shock protein 70; Immune responses; Metallothionein; Rockfish

PMID:
27689810
DOI:
10.1016/j.etap.2016.09.018
[Indexed for MEDLINE]

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