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Updated: Mar 2, 2026

Isolation of Preadipocytes from Broiler Chick Embryos
Published on: August 4, 2022
Differential expression of six genes and correlation with fatness traits in a unique broiler population
Pengcheng Jin1, Xianwen Wu1, Songsong Xu1
1Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture, Harbin 150030, China.
Abstract:
Previous results from genome wide association studies (GWASs) in chickens divergently selected for abdominal fat content of Northeast Agricultural University (NEAUHLF) showed that many single nucleotide polymorphism (SNP) variants were associated with abdominal fat content. Of them, six top significant SNPs at the genome level were located within SRD5A3, SGCZ, DLC1, GBE1, GALNT9 and DNAJB6 genes. Here, expression levels of these six candidate genes were investigated in abdominal fat and liver tissue between fat and lean broilers from the 14th generation population of NEAUHLF. The results showed that expression levels of SRD5A3, SGCZ and DNAJB6 in the abdominal fat and SRD5A3, DLC1, GALNT9, DNAJB6 and GBE1 in the liver tissue differed significantly between the fat and lean birds, and were correlated with abdominal fat traits. The findings will provide important references for further function investigation of the six candidate genes involved in abdominal fat deposition in chickens.
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