›› 2017, Vol. 44 ›› Issue (10): 2845-2850.doi: 10.16431/j.cnki.1671-7236.2017.10.003

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Expression and Distribution Difference Analysis of STC-1 Gene in Big and Small Body Shape Pigs

YANG Kai-dian, QI Chuan-xiang, QI Yu-yu, JU Hui-ming   

  1. Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
  • Received:2017-03-27 Online:2017-10-20 Published:2017-10-20

Abstract:

The heart,liver,spleen,lung,kidney,skull,skeletal muscle were collected from 40-day-old Bama Mini pig and Large White pig,stanniocalcin 1(STC-1) gene mRNA and STC-1 protein were detected with Real-time PCR and Western blotting methods, respectively. The Real-time PCR results showed that the expression level of STC-1 gene mRNA was higher in lung and kidney, but was the lowest in skeletal muscle of Bama Mini pig and Large White pig. Except for heart and skeletal muscle tissues, the expression level of STC-1 gene mRNA in other tissues of Bama Mini pig was significantly higher than Large White pig (P < 0.05).The Western blotting results showed that the STC-1 protein distribution were the highest in liver and spleen of Bama Mini pig and Large White pig, respectively, and the difference was significant (P < 0.05). The STC-1 protein expression in lung, liver, skeletal muscle and heart of Bama Mini pig were extremely significantly higher than Large White pig (P < 0.01),and the STC-1 protein expression in kidney and spleen of Bama Mini pig were extremely significantly lower than Large White pig (P < 0.01). STC-1 gene mRNA and protein were firstly detected in different tissues from big and small body shape pigs,this might have a relationship with various external environments stress and development.

Key words: pig; body shape; stanniocalcin 1(STC-1) gene; expression and distribution

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