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Cellular function of chicken FOXO3 and its associations with chicken growth

文献类型： 外文期刊

作者： Chen, Biao 1 ; Guo, Lijin 1 ; Chen, Xiaolan 1 ; El-Senousey, HebatAllah Kasem 5 ; Ma, Manting 1 ; Jebessa, Endashaw 1 ;

作者机构： 1.South China Agr Univ, Coll Anim Sci, Dept Anim Genet Breeding & Reprod, Guangzhou 510642, Guangdong, Peoples R China

2.Natl Local Joint Engn Res Ctr Livestock Breeding, Guangzhou 510642, Guangdong, Peoples R China

3.Minist Agr, Guangdong Prov Key Lab Agroanim Genom & Mol Breed, Guangzhou 510642, Guangdong, Peoples R China

4.Minist Agr, Key Lab Chicken Genet Breeding & Reprod, Guangzhou 510642, Guangdong, Peoples R China

5.Cairo Univ, Fac Agr, Dept Anim Prod, Giza 12613, Egypt

关键词： apoptosis; growth; carcass and meat traits; proliferation; FOXO3; single nucleotide polymorphism

期刊名称：POULTRY SCIENCE （ 影响因子：3.352； 五年影响因子：3.679 ）

ISSN： 0032-5791

年卷期： 2019 年 98 卷 10 期

页码：

收录情况： SCI

摘要： FOXO3 belongs to the Forkhead O transcription factor family and it is an important gene in multiple biological processes, such as cell cycle control, cell proliferation, cell apoptosis, human longevity, and oxidative stress. Previous studies have shown that FOXO3 is associated with skeletal muscle growth and adipose development in mammals. However, the sequence of chicken FOXO3 is still incomplete and the cellular functions of FOXO3 in chickens are poorly understood. Thus, we obtained the full-length sequence of chicken FOXO3 by 5' rapid amplification of cDNA ends (5' RACE) and the phylogenetic tree showed that the chicken FOXO3 sequence was homologous with those in other species. Flow cytometry analysis and 5-ethynyl-2'-deoxyuridine assays showed that FOXO3 repressed cellular proliferation and induced apoptosis in a chicken hepatocellular carcinoma cell line (LMH). Mutations were screened in the second exon of FOXO3 and 13 synonymous single nucleotide polymorphisms were found in the test population. Further analysis showed that rs317670452 and rs15379317 were associated with many growth and carcass traits, such as the body weight at different ages and breast muscle weight. Our results indicate that chicken FOXO3 has similar cellular functions to those found in mammals and it is significantly associated with chicken growth.

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