Genetic Fixity in the Human Major Histocompatibility Complex and Block Size Diversity in the Class I Region Including HLA-E

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Genetic Fixity in the Human Major Histocompatibility Complex and Block Size Diversity in the Class I Region Including HLA-E

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Title: Genetic Fixity in the Human Major Histocompatibility Complex and Block Size Diversity in the Class I Region Including HLA-E
Author: Romero, Viviana; Romero, Tatiana; Clavijo, Olga P; Fici, Dolores A; Alford, Dennis R; Awdeh, Zuheir L; Zuñiga, Joaquin; El-Dahdah, Lama; Larsen, Charles E.; Duke-Cohan, Jonathan S.; Fox, Edward Alvin; Husain, Zaheed; Almeciga, Ingrid; Alper, Chester A.; Yunis, Edmond J.

Note: Order does not necessarily reflect citation order of authors.

Citation: Romero, Viviana, Charles E. Larsen, Jonathan S. Duke-Cohan, Edward A. Fox, Tatiana Romero, Olga P. Clavijo, Dolores A. Fici, et al. 2007. Genetic fixity in the human major histocompatibility complex and block size diversity in the class I region including HLA-E. BMC Genetics 8: 14.
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Abstract: Background: The definition of human MHC class I haplotypes through association of HLA-A, HLA-Cw and HLA-B has been used to analyze ethnicity, population migrations and disease association. Results: Here, we present HLA-E allele haplotype association and population linkage disequilibrium (LD) analysis within the ~1.3 Mb bounded by HLA-B/Cw and HLA-A to increase the resolution of identified class I haplotypes. Through local breakdown of LD, we inferred ancestral recombination points both upstream and downstream of HLA-E contributing to alternative block structures within previously identified haplotypes. Through single nucleotide polymorphism (SNP) analysis of the MHC region, we also confirmed the essential genetic fixity, previously inferred by MHC allele analysis, of three conserved extended haplotypes (CEHs), and we demonstrated that commercially-available SNP analysis can be used in the MHC to help define CEHs and CEH fragments. Conclusion: We conclude that to generate high-resolution maps for relating MHC haplotypes to disease susceptibility, both SNP and MHC allele analysis must be conducted as complementary techniques.
Published Version: doi:10.1186/1471-2156-8-14
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1853106/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4750047

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