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TAP1 and TAP2 gene polymorphisms in childhood cystic echinococcosis. 2010

Nural Kiper, and Filiz Gerçeker, and Eda Utine, and Ebru Yalçin, and Sevgi Pekcan, and Nazan Cobanoğlu, and Ayşe Aslan, and Mehmet Köse, and Deniz Doğru, and Uğur Ozçelik, and Meral Ozgüç
Hacettepe University, Department of Pediatrics, Chest Diseases Unit, Ankara, Turkey. nkiper@hacettepe.edu.tr

The incidence of cystic echinococcosis (CE) due to Echinococcus granulosus is as high as 2000-2500 patients per year in Turkey. Whether genetic characteristics of the Turkish population cause a tendency to the disease is currently unknown. We aimed at studying the role of TAP gene polymorphisms in Turkish children with cystic echinococcosis. For an overview of allelic distribution of TAP1 and TAP2 genes, genotypes of 85 patients with CE and 100 controls were studied. To determine the genotype-phenotype correlation, 81 of the patients whose clinical data were available were analyzed. For TAP1-637, Asp/Gly heterozygosity was significantly more prevalent in CE patients than in controls (20 vs. 4%, odds ratio 6.0), while Gly/Gly homozygosity was less frequent (5 vs. 14%). For TAP2-379, Ile/Val heterozygosity was significantly more prevalent in CE patients than in controls (14 vs. 1%, odds ratio 16.27), while Ile/Ile homozygosity was less frequent (13 vs. 25%). TAP1-637 and TAP2-379 polymorphisms may have a role in causing genetic tendency for CE in children. The data may reflect the genetic properties of the Turkish population or may reveal the minor role of TAP gene polymorphisms in CE.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011110 Polymorphism, Genetic The regular and simultaneous occurrence in a single interbreeding population of two or more discontinuous genotypes. The concept includes differences in genotypes ranging in size from a single nucleotide site (POLYMORPHISM, SINGLE NUCLEOTIDE) to large nucleotide sequences visible at a chromosomal level. Gene Polymorphism,Genetic Polymorphism,Polymorphism (Genetics),Genetic Polymorphisms,Gene Polymorphisms,Polymorphism, Gene,Polymorphisms (Genetics),Polymorphisms, Gene,Polymorphisms, Genetic
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D004443 Echinococcosis An infection caused by the infestation of the larval form of tapeworms of the genus Echinococcus. The liver, lungs, and kidney are the most common areas of infestation. Cystic Echinococcosis,Cysts, Hydatid,Hydatid Cyst,Hydatidosis,Echinococcus Granulosus Infection,Echinococcus Infection,Hydatid Disease,Cyst, Hydatid,Cystic Echinococcoses,Echinococcoses,Echinococcoses, Cystic,Echinococcosis, Cystic,Echinococcus Granulosus Infections,Echinococcus Infections,Granulosus Infection, Echinococcus,Granulosus Infections, Echinococcus,Hydatid Cysts,Hydatid Diseases,Hydatidoses,Infection, Echinococcus,Infection, Echinococcus Granulosus,Infections, Echinococcus Granulosus
D005260 Female Females
D006579 Heterozygote An individual having different alleles at one or more loci regarding a specific character. Carriers, Genetic,Genetic Carriers,Carrier, Genetic,Genetic Carrier,Heterozygotes
D006720 Homozygote An individual in which both alleles at a given locus are identical. Homozygotes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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