Example sentences for: homozygosity

How can you use “homozygosity” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • We selected only probands who had a hemochromatosis phenotype and C282Y homozygosity.

  • Taken together, these observations could explain the occurrence of CVID or IgGSD and hemochromatosis due to HFE C282Y homozygosity in some of the present index patients [ 26 ] and account for the occurrence of IgA deficiency and hemochromatosis in different members of the same family [ 27 ] .

  • This disorder is typically associated with homozygosity for the C282Y mutation of the HFE gene (exon 2, nt 845 G→A) on Ch6p [ 1 ] . C282Y lies within an ancestral haplotype which includes the human leukocyte antigen (HLA) haplotype A*03-B*07 [ 2 3 4 5 ] . The ancestral haplotype is the predominant hemochromatosis-associated haplotype in many northwestern European countries, including Ireland [ 6 ] , Brittany [ 2 ] , Denmark [ 7 8 ] , Sweden [ 9 ] , and Germany [ 10 11 ] . This is attributed to the origin of the C282Y mutation on an A*03-B*07 haplotype in northwestern Europe and its early dissemination by Vikings [ 3 12 ] . Modification of the ancestral chromosome by recombination and admixture as a result of geographic migration explains the occurrence of chromosomes bearing C282Y in association with different HLA haplotypes [ 2 4 8 13 14 15 16 ] . Thus some non-ancestral haplotypes also occur with significantly increased frequencies in hemochromatosis patients in various countries in Europe and in descendants of Europeans [ 5 16 ] .

  • In North America, phenotype frequencies of HLA alleles in persons with hemochromatosis and in control populations have been reported from Canada, Utah, and Minnesota [ 17 18 19 ] . HLA haplotype frequencies for hemochromatosis patients and control subjects in North America have been reported only from Utah [ 20 ] . The purpose of the present work was to quantify and analyze the frequencies of HLA-A and -B alleles and haplotypes in hemochromatosis probands with C282Y homozygosity in central Alabama, and to compare the present results to those reported in other populations.

  • The generation of Hoxc-8 transgenic mice and the characterization of their phenotype have been published [ 1 ] . Briefly, Hoxc-8 expressing mice are generated in a binary transgenic mouse system [ 44 ] by crossing a transactivator strain (harboring a transgene in which expression of the transcriptional transactivator VP16 is under control of the Hoxc-8 promoter; [ 45 ] ) to a transresponder strain (that carries as a transgene the Hoxc-8 cDNA linked to the ICP4 immediate early gene promoter, which is silent in mice in the absence of VP16; [ 45 46 ] ). Upon combination of both transgenes, the Hoxc-8 transresponder transgene is activated, and Hoxc-8 becomes overexpressed [ 23 ] . This system also allows the generation of transgenic mice with increased gene dosage by superimposition of transgene loci to homozygosity [ 23 44 ] . For the studies reported here, we used the T239 transactivator and the IE-c8-254 transresponder strains.


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