A proteomics study of Tianzhu white yak ovary during estrus and pregnancy. | [Pakistan Veterinary Journal • 2014]

Author(s):

1. Guo Shun Zhao: College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, Republic of China

2. Jin Zhong Tao: Agricultural College, Ningxia University, Yinchuan, Republic of China

3. Shan Shan Liu: College of Life Sciences and Technology, Gansu Agricultural University, Lanzhou, Republic of China

4. Xiao Hu Wu: College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, Republic of China

5. Jun Jie Hu: College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, Republic of China

6. Yong Zhang: College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, Republic of China

7. Xing Xu Zhao: College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, Republic of China

Abstract:

Estrus refers to the phase when the female is sexually receptive and ovarian follicles are maturing under regulation by gonadotropic hormones. Pregnancy is the process of fertilization and development of offspring. To study the ovarian proteome changes of Tianzhu white yak between estrus and pregnancy, 12 ovaries from 6 pregnant and 12 ovaries from 6 estrous yak cows were used and ovarian proteins were separated by 2-DE and analyzed by PDQuest 8.0 software. 20 differentially expressed spots were identified with MALDI-TOF-TOF/MS. Totally 15 different proteins were detected. COMMD1, PMK, TM, CG, VIM, ALDH1A1, SNX7, MRPs, MDH were related to steroid hormone synthesis and regulation, energy metabolism, pregnancy maintenance and early embryo development. These differentially expressed proteins might be useful to detect protein candidates of ovarian function, clarify the mechanisms of ovarian development and understand the reproductive physiological mechanism of the Tianzhu white yak.

Page(s): 87-91

DOI: DOI not available

Published: Journal: Pakistan Veterinary Journal, Volume: 34, Issue: 1, Year: 2014

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