Expression analysis of <i>DIO2</i>, <i>EYA3</i>, <i>KISS1</i> and <i>GPR54</i> genes in year-round estrous and seasonally estrous rams
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Published:2020-12-09
Issue:2
Volume:63
Page:451-460
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ISSN:2363-9822
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Container-title:Archives Animal Breeding
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language:en
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Short-container-title:Arch. Anim. Breed.
Author:
Xia Qing,Di Ran,He Xiao-Yun,Wei Cai-Hong,Chu Ming-Xing
Abstract
Abstract. The expression characteristics of the hypothalamic–pituitary–gonadal (HPG)
axis-related candidate genes, DIO2, EYA3, KISS1 and GPR54, were analyzed in year-round estrous
rams (small-tail Han sheep, STH) and seasonally estrous rams (Sunite sheep,
SNT) using qPCR. The results were as follows: DIO2 was mainly expressed in
pituitary, and KISS1 was specifically expressed in hypothalamus in the two
groups. However, EYA3 and GPR54 were widely expressed in the cerebrum, cerebellum,
hypothalamus, pituitary, testis, epididymis, vas deferens and adrenal gland
tissues in both breeds, with significant differences in the cerebellum,
hypothalamus, pituitary, testis and vas deferens tissues. We speculated that DIO2 and
KISS1 may have positive roles in different regions in ram year-round estrus.
Moreover, the expression patterns of EYA3 and GPR54 suggested that they may regulate
the estrous mode of ram via testis and vas deferens. This is the first study
to systematically analyze the expression patterns of HPG axis-related genes
in rams.
Funder
National Natural Science Foundation of China Earmarked Fund for China Agriculture Research System
Publisher
Copernicus GmbH
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