Research Article

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Chicken; Chicken liver; Gene expression profile; Lean and fat broiler lines

This study aimed to investigate gene expression in the chicken liver for lean and fat broiler lines. Birds used in this study were 2 and 4 weeks of age; they were derived from the 14th generation of Northeast Agricultural University broiler lines, which were divergently selected based on abdominal fat content. Chicken Genome Arrays were used to screen differentially expressed genes in the ... more

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Gene expression profile; Liver cancer; Physiological activity; Systems biology

Liver cancer (LC) is generally characterized by malignant cell proliferation and growth; it normally develops in stages that progress from non-specific injury of the liver to liver fibrosis, liver cirrhosis, dysplasia nodules, and liver carcinoma. We used a rat model of diethylnitrosamine (DENA)-induced LC; a Rat Genome 230 2.0 Array was used to detect gene expression profile of liver ... more

C.S. Xu; G.P. Wang; L.X. Zhang; C.F. Chang; J. Zhi; Y.P. Hao
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Gene expression profile; Gene synergistic effect; Hepatocyte growth; Phospholipase C signaling pathway; Rat liver regeneration

In general, the phospholipase C (PLC) signaling pathway is involved in many physiological activities, including cell growth. However, little is known regarding how the PLC signaling pathway participates in regulating hepatocyte (HC) growth during liver regeneration (LR). To further explore the influence of the PLC signaling pathway on HCs at the cellular level, HCs of high purity and ... more

G.G. Xu; Z. Geng; X.C. Zhou; Y.G. He; T.T. He; J.X. Mei; Y.J. Yang; Y.Q. Liu; C.S. Xu
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Association analysis; Candidate gene; Chicken; Egg number at 300 days of age; Polymorphism; QTL

We looked for variations that could be associated with chicken egg number at 300 days of age (EN300) in seven genes of the hypothalamic-pituitary-gonadal axis, including gonadotrophin-releasing hormone-I (GnRH-I), GnRH receptor (GnRHR), neuropeptide Y (NPY), dopamine D2 receptor (DRD2), vasoactive intestinal polypeptide (VIP), VIP receptor-1 ( ... more

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Chicken; Cross-species amplification; Grey partridge; Microsatellite markers; Turkey

We used the partially sequenced genomes of the turkey and chicken to find a large number of microsatellite markers. We then characterized 10 polymorphic microsatellite markers developed by cross-species amplification from economically and ecologically important birds to various European sub-species of the grey partridge. Even though we used cross-species amplification, a high degree of ... more

N. Bech; C. Novoa; J.F. Allienne; J. Boissier
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Avian influenza virus; Chicken; Mx gene; PCR-RFLP; S631N mutation

The Mx (myxovirus resistance) gene codes for a protein with antiviral activity. Non-synonymous G/A polymorphism at position 2032 of chicken Mx cDNA results in a change at amino acid 631 of the Mx protein. This mutation has been shown to affect the antiviral activity of the Mx molecule, although recent studies have not confirmed this effect in response to some influenza ... more

L. Sironi; P. Ramelli; J.L. Williams; P. Mariani
10/07/2013
Chicken; L-BABP; L-FABP; Lipid deposition

Liver fatty acid-binding protein (L-FABP) and liver bile acid-binding protein (L-BABP), in the liver intra-cytoplasm of chicken, are members of the fatty acid-binding protein subfamily. This study was designed to analyze and compare L-FABP and L-BABP expression levels between fat and lean lines in chicken liver tissue, and to determine the relationship between their expression and lipid ... more

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Blood genome; Chicken; Methylation pattern; MSAP

We used methylation-sensitive amplified polymorphism to examine DNA methylation levels and CCGG patterns in parents and offsprings of 3 groups of adult chickens, purebred White Leghorn (AA), White Plymouth Rock (EE), and crossbred individuals (EA) using 10 primer combinations. We found that about 66% of the cytosines at CCGG sites were not methylated. Fully methylated sites were less ... more

Q. Xu; D.X. Sun; J.L. Li; R. Liu; Y.C. Wang; Y. Zhang
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Calcium; Chicken; meat quality; Mutation; Porcine stress syndrome; Ryanodine receptor

The development of pale, soft, and exudative (PSE) breast fillet meat has become an economic burden for the poultry industry worldwide. PSE meat results in 1.0-1.5% loss in moisture and carcass weight, and a 2010 estimate of the Brazilian annual production put the economic loss due to PSE at over US$30 million. In the USA, PSE has caused an annual loss of up to US$200 million to the ... more

F.G. Paião; L.M. Ferracin; M. Pedrão; T. Kato; M. Shimokomaki
02/27/2013
Chicken; Cloning; Expression; Nramp1 gene; Nramp2 gene; Polymorphism

Natural resistance-associated macrophage protein 1 and 2 encoding genes (Nramp1 and Nramp2) are related to many diseases. We cloned the cDNA of chicken Nramp1 and Nramp2 genes, characterized their expression and polymorphisms, and investigated the association of some SNPs with resistance to salmonellosis. The Nramp1 cDNA was 1746 bp long and the ... more

X.M. He; M.X. Fang; Z.T. Zhang; Y.S. Hu; X.Z. Jia; D.L. He; S.D. Liang; Q.H. Nie; X.Q. Zhang

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