ACTA VETERINARIA ET ZOOTECHNICA SINICA ›› 2013, Vol. 44 ›› Issue (10): 1539-1546.doi: 10.11843/j.issn.0366-6964.2013.10.005

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Distribution of ERα, ERβ and PR and Expression of Its mRNA in the Uterus of Jining Grey Goats Associated with Aging

BAI Shu1, TONG Hai-ni1, SHI Yun-zhi1,2, HUANG Li-bo1, HOU Yan-meng1,WANG Shu-ying1*   

  1. (1. College of Animal Science and Technology, Shandong Agricultural University, Tai’an 271018, China; 2. Taishan Medical University, Tai’an 271016, China)
  • Received:2013-03-31 Online:2013-10-23 Published:2013-10-23

Abstract:

To detect the location of ERα, ERβ and PR and the expression of ERα, ERβ and PR mRNA in the uterus of Jining Grey goats during postnatal development. In the uterus of different group, the SABC methods were used to study the distribution of ERα, ERβ and PR, and the real time fluorescent quantitative PCR were used to research the relative expression of ERα, ERβ and PR mRNA with GAPDH as an internal gene. ERα,ERβ and PR were malinly localized in the nuclei of the luminal epithelium, glandular epithelium, stromal cells, endothelium and smooth muscle cells of the uterusand occasionally in the cytoplasm. The trends of the optical density in the immunopositive cells of ERα, ERβ and PR were similar with that of the expression of ERα, ERβ and PR mRNA. But the level of the expression of ERβ was less than that of ERα. From the birth day to the 30th day, the expression of ERα and ERβ remained at a lower level then increased gradually on the 60th day, ERα and ERβ reached its peak from the 90th day to the 120th day, and afterwards maintained at a high level. While the expression of PR was higher on the birth day, than reached its lowest level on the 30th day and significantly increased after puberty, and two peaks were found during the sexual maturity and maturation. ERα, ERβ and PR have an important role in regulating the proliferation and differentiation of the endometrial and the myometrial.

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