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Molecular Cloning and Characterization of the Germ Cell-Related Nuclear Orphan Receptor in Chickens

Cited 4 time in Web of Science Cited 4 time in Scopus
Authors
Lee, Sang In; Kim, Jin Kyoo; Park, Hyun Jeong; Jang, Hyun Jun; Lee, Hyung Chul; Min, Taesun; Song, Gwonhwa; Han, Jae Yong
Issue Date
2010
Publisher
Wiley
Citation
Molecular Reproduction and Development, vol.77 no.3, pp. 273-284
Abstract
Nuclear receptor subfamily 6, group A, member 1 (NR6A1), also known as germ cell nuclear factor/retinoid receptor-related testis-associated receptor and neuronal cell nuclear factor, is a member of the nuclear orphan receptor superfamily. NR6A1 has been cloned in various species including humans and mice, but it has been scarcely investigated in avian species. In the present study, we cloned the chicken NR6A1 (cNR6A1) from a testis cDNA library. The cloned cNR6A1 sequence was mapped to chromosome 17 and contained an open reading frame of 1.4 kb encoding 445 amino acids. Multiple alignment analysis of the cNR6A1 protein-coding sequence with NR6A1s from humans, mice, boars, rats, zebrafish, and Xenopus showed high degrees of homology, 89%, 90%, 89%, 88%, 83%, and 87%, respectively. UsingRNA interference, changes in the expression of pluripotency-, germ cell-, and differentiation- related key genes by silencing of cNR6A1 were validated in chicken blastodermderived embryonic stem cells. Among those genes, the relative expression levels of POU5F1, CRIPTO, DAZL, DDX4, BMP15, GSC, and SOX7 changed significantly compared to the control group. We also confirmed that the activity of alkaline phosphatase, known as a pluripotency marker, was maintained by cNR6A1 gene silencing in chicken blastodermal cells. Collectively, our data suggest that cNR6A1 may play an important role during chicken embryonic development and differentiation.
ISSN
1040-452X
Language
English
URI
https://hdl.handle.net/10371/100283
DOI
https://doi.org/10.1002/mrd.21144
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College of Agriculture and Life Sciences (농업생명과학대학)Dept. of Food and Animal Biotechnology (식품·동물생명공학부)Journal Papers (저널논문_식품·동물생명공학부)
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