Steroid hormone "cortisone" and "20-hydroxyecdysone" involved in the non-specific immune responses of white shrimp (Litopenaeus vannamei)

Yu-Sheng Wu; Ching-Hsu Chang; Fan-Hua Nan

doi:10.1016/j.fsi.2016.07.005

Steroid hormone "cortisone" and "20-hydroxyecdysone" involved in the non-specific immune responses of white shrimp (Litopenaeus vannamei)

Fish Shellfish Immunol. 2016 Sep:56:272-277. doi: 10.1016/j.fsi.2016.07.005. Epub 2016 Jul 9.

Authors

Yu-Sheng Wu¹, Ching-Hsu Chang¹, Fan-Hua Nan²

Affiliations

¹ Department of Aquaculture, National Taiwan Ocean University, Keelung 20248, Taiwan.
² Department of Aquaculture, National Taiwan Ocean University, Keelung 20248, Taiwan. Electronic address: fhnan@mail.ntou.edu.tw.

PMID: 27403594
DOI: 10.1016/j.fsi.2016.07.005

Abstract

This study investigated the effect of two steroid hormones on phenoloxidase activity, O2(-) production in the haemocytes, total haemocyte count (THC), superoxide dismutase (SOD) activity, glutamate oxaloacetate transaminase (GOT) activity, glutamate pyruvate transaminase (GPT) activity, and plasma cholesterol concentrations in white shrimps (Litopenaeus vannamei). Phenoloxidase activity, THC and plasma cholesterol concentration in shrimps treated with cortisone and 20-hydroxyecdysone were found to be lower when compared with the control groups. In the observation of O2(-) production, treatment of cortisone and hydroxyecdysone were reducing the activity in the 1st day, but to be undiversified with the elapsed time. By contrast, SOD activity in the hepatopancreas, plasma GOT activity, and GPT activity were significantly increased when compared with the control groups.

Keywords: Hormone; Immune response; Molting; Stress.

MeSH terms

Animals
Cholesterol / metabolism
Cortisone / metabolism*
Dose-Response Relationship, Drug
Ecdysterone / metabolism*
Hemocytes / cytology
Immunity, Innate*
Molting*
Penaeidae / enzymology
Penaeidae / genetics
Penaeidae / immunology*
Penaeidae / metabolism

Substances

Ecdysterone
Cholesterol
Cortisone