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International Journal Of Bilogical Sciences

.: Home > International Journal Of Bilogical Sciences > 2011 > Volume 7 Number 8 > Shuanping Zhao1,2*, Yongzhen Zhao2*, Pengxia Niu2, Ning Wang3, Zhonglin Tang2✉, Linsen Zan1✉, Kui Li2

olecular Characterization of Porcine MMP19 and MMP23B Genes and Its Association with Immune Traits

Shuanping Zhao1,2*, Yongzhen Zhao2*, Pengxia Niu2, Ning Wang3, Zhonglin Tang2✉, Linsen Zan1✉, Kui Li2
1. College of Animal Science and Technology, Northwest A & F University, No. 22 Xinong Road, 712100 Yangling, Shaanxi, China 2. Key Laboratory for Farm Animal Genetic Resources and Utilization of Ministry of Agriculture of China, Institute of Animal Science, Chinese Academy of Agricultural Sciences, 100193 Beijing, China 3. College of Animal Science and Technology, Northeast Agricultural University, Haerbin, 150030, China
Abstract :

MMP19 and MMP23B belong to the Matrix metalloproteases (MMPs) family, which are zinc-binding endopeptidases that are capable of degrading various components of the extracellular matrix. They are thought to play important roles in embryonic development, reproduction and tissue remodeling, as well as in cell proliferation, differentiation, migration, angiogenesis, apoptosis and host defense. However, they are poorly understood in pigs. Here, we obtained the full length coding region sequence and genomic sequence of the porcine MMP19 and MMP23B genes and analyzed their genomic structures. The deduced amino acid sequence shares similar precursor protein domains with human and mouse MMP19 and MMP23B protein, respectively. Using IMpRH panel, MMP19 was mapped to SSC5p12-q11 (closely linked to microsatellite DK) and MMP23B was mapped to SSC8q11-q12 (linked to microsatellite Sw2521). Quantitative real-time PCR showed that MMP19 was abundantly expressed in the liver, while MMP23B was strongly expressed in the ovarian and heart. Furthermore, both genes were all expressed increasingly in prenatal skeletal muscle during development. Three SNPs were detected by sequencing and PCR-RFLP methods, and association analysis indicated that C203T at exon 5 of MMP19 has a significant association with the blood parameters WBC (G/L) and IgG2 (mg/mL) (P<0.05), SNP C131T at exon 3 of MMP23B is significantly associated with the blood parameters HGB (g/L) and MCH (P<0.05), and A150G in exon 4 has no significant association with the economic traits in pigs.

Keywords :
pig, MMP19, MMP23B, chromosome mapping, expression, association analysis.

Date Deposited : 08 Apr 2015 12:35

Last Modified : 08 Apr 2015 12:35

Official URL: http://www.ijbs.com/ms/archive

Volume 7, Number 8, - 2011 , ISSN 1545-1003

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