Genetic diversity of HLA system in two populations from Querétaro, Mexico: Querétaro city and rural Querétaro. 2020

Julio César Martínez-Álvarez, and Rodrigo Barquera, and Diana Iraíz Hernández-Zaragoza, and Alicia Bravo-Acevedo, and Stephen Clayton, and Esteban Arrieta-Bolaños, and Alexander Immel, and Gamaliel Benítez-Arvizu, and María Araceli Arrazola-García, and Vicencio Juárez-Barreto, and María Del Rosario Vega-Martínez, and Francisco Juárez-Nicolás, and Ariadna Berenice Escutia-González, and Virginia Martínez-Bezies, and Raquel García-Álvarez, and Norma Salgado-Galicia, and Joaquín Zúñiga, and Edmond J Yunis, and Carolina Bekker-Méndez, and Julio Granados
HLA Laboratory, Central Blood Bank, Hospital de Especialidades, Unidad Médica de Alta Especialidad (UMAE) Centro Médico Nacional "Siglo XXI", Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico.

We studied HLA class I (HLA-A, -B) and class II (HLA-DRB1, -DQB1) alleles by PCR-SSP based typing in 88 Mexicans from the state of Querétaro living in the city of Querétaro (N = 45) and rural communities (N = 43), to obtain information regarding allelic and haplotypic frequencies. We find that the most frequent haplotypes in the state of Querétaro include seven Native American, two European and one Asian haplotype. Admixture estimates revealed that the main genetic components in the state of Querétaro are Native American (51.82 ± 4.42% by ML; 42.61% of Native American haplotypes) and European (48.18 ± 3.55% by ML; 46.02% of European haplotypes), with a virtually absent African genetic component (0.00 ± 4.25% by ML; 4.55% of African haplotypes).

UI MeSH Term Description Entries
D008800 Mexico A country in NORTH AMERICA, bordering the Caribbean Sea and the Gulf of Mexico, between BELIZE and the UNITED STATES, and bordering the North Pacific Ocean, between Guatemala and the UNITED STATES.
D005006 Ethnicity A group of people with a common cultural heritage that sets them apart from others in a variety of social relationships. Ethnic Groups,Nationality,Ethnic Group,Nationalities
D005787 Gene Frequency The proportion of one particular in the total of all ALLELES for one genetic locus in a breeding POPULATION. Allele Frequency,Genetic Equilibrium,Equilibrium, Genetic,Allele Frequencies,Frequencies, Allele,Frequencies, Gene,Frequency, Allele,Frequency, Gene,Gene Frequencies
D005828 Genetics, Population The discipline studying genetic composition of populations and effects of factors such as GENETIC SELECTION, population size, MUTATION, migration, and GENETIC DRIFT on the frequencies of various GENOTYPES and PHENOTYPES using a variety of GENETIC TECHNIQUES. Population Genetics
D005838 Genotype The genetic constitution of the individual, comprising the ALLELES present at each GENETIC LOCUS. Genogroup,Genogroups,Genotypes
D005843 Geography The science dealing with the earth and its life, especially the description of land, sea, and air and the distribution of plant and animal life, including humanity and human industries with reference to the mutual relations of these elements. (From Webster, 3d ed) Factor, Geographic,Factors, Geographic,Geographic Factor,Geographic Factors,Geography, Human,Human Geography
D006239 Haplotypes The genetic constitution of individuals with respect to one member of a pair of allelic genes, or sets of genes that are closely linked and tend to be inherited together such as those of the MAJOR HISTOCOMPATIBILITY COMPLEX. Haplotype
D006680 HLA Antigens Antigens determined by leukocyte loci found on chromosome 6, the major histocompatibility loci in humans. They are polypeptides or glycoproteins found on most nucleated cells and platelets, determine tissue types for transplantation, and are associated with certain diseases. Human Leukocyte Antigen,Human Leukocyte Antigens,Leukocyte Antigens,HL-A Antigens,Antigen, Human Leukocyte,Antigens, HL-A,Antigens, HLA,Antigens, Human Leukocyte,Antigens, Leukocyte,HL A Antigens,Leukocyte Antigen, Human,Leukocyte Antigens, Human
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000483 Alleles Variant forms of the same gene, occupying the same locus on homologous CHROMOSOMES, and governing the variants in production of the same gene product. Allelomorphs,Allele,Allelomorph

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