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  • Title: Molecular analysis of gene deletion in aniridia--Wilms tumor association.
    Author: Michalopoulos EE, Bevilacqua PJ, Stokoe N, Powers VE, Willard HF, Lewis WH.
    Journal: Hum Genet; 1985; 70(2):157-62. PubMed ID: 2989154.
    Abstract:
    Hybrid clones were produced from the fusion of Chinese hamster cells and human fibroblasts from a patient with the aniridia-Wilms tumor association (AWTA). The DNA from the parental cells and the hybrid clones was screened by Southern blot and DNA hybridization with probes for the human insulin and Ha-ras-1 genes. Two alleles for the Ha-ras-1 gene were shown to exist in the AWTA cells by restriction fragment length polymorphism. One hybrid clone, containing a single allele for Ha-ras-1 was shown to contain a single chromosome 11 with a cytogenetically visible deletion at 11p13. The DNA from this hybrid contained the human genes for insulin, A gamma-globin, G gamma-globin, Ha-ras-1, and calcitonin, but lacked any human sequences homologous to a human catalase cDNA. This clone was also shown to express human lactate dehydrogenase A (LDH A) activity. These data indicate that the deletion of the affected chromosome in this AWTA patient begins distal to LDH A and includes band 11p13, but does not extend to calcitonin or other genes thought to be located in the distal half of chromosome 11p.
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