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  • Title: Familial translocation t(10;14) (q26.1;q32.3): report of three offspring with 10q deletion and 14q duplication.
    Author: Huang TH, Peckham D, Batanian JR, Martin MB, Kouba M, Caldwell CW, Miles JH.
    Journal: Clin Genet; 1994 Oct; 46(4):299-303. PubMed ID: 7834895.
    Abstract:
    We describe two brothers and a cousin with common clinical features, including mild mental retardation, motor delays, hypotonia with truncal ataxia, esotropia, and mild facial and hand dysmorphia. The initial routine chromosome study failed to detect any abnormality in the proband. Based on a high index of clinical suspicion, high-resolution chromosome studies were performed on the proband's parents. A small reciprocal translocation t(10;14) (q26.1;q32.3) was detected in the father. The breakpoint on the derivative chromosome 14 was further placed telomeric to the immunoglobulin heavy-chain gene cluster at the band q32.33 by fluorescence in situ hybridization. Studies of the proband and two affected paternal cousins revealed that each had inherited the same derivative chromosome 10 from their carrier parents. This unbalanced karyotype resulted from an adjacent-1 segregation of the 10;14 translocation.
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