High Allelic Diversity of Dog Leukocyte Antigen Class II in East Asian Dogs: Identification of New Alleles and Haplotypes

Author(s):  
Mingue Kang ◽  
Byeongyong Ahn ◽  
Seungyeon Youk ◽  
Hye-sun Cho ◽  
Munjeong Choi ◽  
...  
Genetics ◽  
2002 ◽  
Vol 160 (1) ◽  
pp. 305-311
Author(s):  
G Pielberg ◽  
C Olsson ◽  
A-C Syvänen ◽  
L Andersson

Abstract Mutations in KIT encoding the mast/stem cell growth factor receptor (MGF) are responsible for coat color variation in domestic pigs. The dominant white phenotype is caused by two mutations, a gene duplication and a splice mutation in one of the copies leading to skipping of exon 17. Here we applied minisequencing and pyrosequencing for quantitative analysis of the number of copies with the splice form. An unexpectedly high genetic diversity was revealed in white pigs. We found four different KIT alleles in a small sample of eight Large White females used as founder animals in a wild boar intercross. A similar number of KIT alleles was found in commercial populations of white Landrace and Large White pigs. We provide evidence for at least two new KIT alleles in pigs, both with a triplication of the gene. The results imply that KIT alleles with the duplication are genetically unstable and new alleles are most likely generated by unequal crossing over. This study provides an improved method for genotyping the complicated Dominant white/KIT locus in pigs. The results also suggest that some alleles may be associated with negative pleiotropic effects on other traits.


2004 ◽  
Vol 72 (5) ◽  
pp. 2738-2741 ◽  
Author(s):  
Keith T. Ballingall ◽  
Anthony Luyai ◽  
G. John Rowlands ◽  
Jill Sales ◽  
Anthony J. Musoke ◽  
...  

ABSTRACT Initial laboratory trials of an experimental subunit vaccine against Theileria parva based on the 67-kDa major sporozoite surface antigen revealed a range of responses to challenge. We have analyzed convergence in seven sets of monozygotic twins which suggests that genetic factors may have an influence in determining the degree of protection provided by p67 immunization. In addition, we have examined whether allelic diversity at major histocompatibility complex class II loci influences protection. Analysis of bovine leukocyte antigen DRB3 diversity in 201 animals identified significant associations with vaccine success (DRB3*2703; P = 0.027) and vaccine failure (DRB3*1501; P = 0.013). Furthermore, DRB3*2703 was associated with the likelihood of immunized animals showing little to no clinical signs of disease following challenge. We discuss the acquired and innate immune mechanisms that may be behind the associations described here.


Gene ◽  
2012 ◽  
Vol 506 (1) ◽  
pp. 217-222 ◽  
Author(s):  
Renuka Subramaniam ◽  
Stephen N. White ◽  
Lynn M. Herrmann-Hoesing ◽  
Subramaniam Srikumaran

2000 ◽  
Vol 85 (3) ◽  
pp. 1176-1179 ◽  
Author(s):  
Yoshikuni Sawai ◽  
Leslie J. DeGroot

Abstract Abstract There are many reports that Graves’ disease (GD) is associated with certain human leukocyte antigen (HLA) molecules, in particular DR3. Here we examined the characteristics of binding of human TSH receptor (TSHR) peptides to this disease-associated HLA class II molecule. DR3 molecules bind TSHR immuonodominant peptide epitopes with intermediate affinity. On the contrary, DR3 binds nonimmunogenic peptides either with poor affinity or not at all, with one exceptional peptide that has extremely high affinity. These results suggest that susceptibility to GD associated with inheritance of a specific HLA class II gene is due to the influence of the HLA molecule-TSHR peptide complex on the T cell repertoire.


2015 ◽  
Vol 14 (4) ◽  
pp. 15256-15266 ◽  
Author(s):  
Z.Z. Liu ◽  
J.H. Xia ◽  
L.L. Xin ◽  
Z.G. Wang ◽  
L. Qian ◽  
...  

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