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Association of IL-4 and IL-4R Polymorphisms with Litter Size Traits in Pigs

文献类型： 外文期刊

作者： Norseeda, Worrarak 1 ; Liu, Guisheng 4 ; Teltathum, Tawatchai 6 ; Supakankul, Pantaporn 7 ; Sringarm, Korawan 1 ; N 1 ;

作者机构： 1.Chiang Mai Univ, Dept Anim & Aquat Sci, Fac Agr, Chiang Mai 50200, Thailand

2.Ctr Excellence Agr Biotechnol AG BIO PERDO CHE, Bangkok 10900, Thailand

3.Chiang Mai Univ, Grad Sch, Chiang Mai 50200, Thailand

4.Hubei Acad Agr Sci, Inst Anim Sci & Vet Med, Wuhan 430064, Peoples R China

5.Hubei Key Lab Anim Embryo Engn & Mol Breeding, Wuhan 430064, Peoples R China

6.Mae Hong Son Livestock Res & Breeding Ctr, Mae Hong Son 58000, Thailand

7.Univ Phayao, Sch Agr & Nat Resources, Div Anim Sci, Phayao 56000, Thailand

8.Chiang Mai Univ, Cluster Res & Dev Pharmaceut & Nat Prod Innovat H, Chiang Mai 50200, Thailand

9.Chiang Mai Univ, Innovat Agr Res Ctr, Fac Agr, Chiang Mai 50200, Thailand

10.Chiang Mai Univ, Dept Biol, Fac Sci, Chiang Mai 50200, Thailand

11.Chiang Mai Univ, Dept Vet Biosci & Vet Publ Hlth, Fac Vet Med, Chiang Mai 50100, Thailand

12.Chiang Mai Univ, Dept Entomol & Plant Pathol, Fac Agr, Chiang Mai 50200, Thailand

关键词： IL-4; IL-4R; litter size; pig; SNPs

期刊名称：ANIMALS （ 影响因子：2.323； ）

ISSN： 2076-2615

年卷期： 2021 年 11 卷 4 期

页码：

收录情况： SCI

摘要： Simple Summary The IL-4 and IL-4R cytokine genes are responsible for immune response in the reproductive system and are related to embryonic implantation and fetal survival during pregnancy in females. However, to date, their effects on litter size traits in pigs have been not elucidated. Therefore, the present study was conducted to verify the porcine IL-4 and IL-4R polymorphisms and assess how they affect litter size traits in commercial pigs. The findings suggested that the porcine IL-4 g.134993898T > C and IL-4R c.1577A > T polymorphisms were associated with the litter size traits. Therefore, the porcine IL-4 and IL-4R genes may be potentially effective genetic markers to improve the litter size traits in pigs. The interleukin-4 (IL-4) and interleukin-4 receptor (IL-4R) are cytokines that are involved in the immune and reproductive systems. This study aimed to verify the polymorphisms in the porcine IL-4 and IL-4R genes and to assess their effects on litter size traits in commercial pigs. Single nucleotide polymorphisms (SNPs) in the porcine IL-4 and IL-4R genes were genotyped by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. A non-coding SNP of IL-4 g.134993898T > C and a non-synonymous SNP of IL-4R c.1577A > T (amino acid change at position 526, Q526L) were found to be segregating in Landrace sows. The IL-4 g.134993898T > C polymorphism was significantly associated with the number of piglets weaned alive (NWA) trait. The IL-4R c.1577A > T polymorphism was significantly associated with the number born alive (NBA) and NWA traits. Moreover, the accumulation of favorable alleles of these two SNP markers revealed significant associations with the NBA, NWA, and mean weight of piglets at weaning (MWW) traits. These findings indicate that the porcine IL-4 and IL-4R genes may contribute to the reproductive traits of pigs and could be used as candidate genes to improve litter size traits in the pig breeding industry.

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