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  • Title: 'Conservative' and 'variable' clusters of Alu-family DNA repeats in human chromosomes.
    Author: Filatov LV, Mamayeva SE, Tomilin NV.
    Journal: Mol Biol Rep; 1988; 13(2):79-84. PubMed ID: 3221844.
    Abstract:
    The distribution of Alu-family DNA repeats (AFRs) in chromosomes of phytohaemagglutinin-stimulated peripheral blood lymphocytes of four normal donors and non-stimulated bone marrow cells of four patients with acute leukemia (ALL and ANLL) was studied by in situ hybridization using DNA of recombinant phage lambda containing multiple inserts of AFR as a probe. Over some chromosome bands (14cen, 16p13, 16cen) from normal donors and from leukemic patients clusters of silver grains were detected. Over other three bands (3q26, 8p11-p12 and 14q24) the clusters were found only in chromosomes from the four acute leukemia patients, and were absent from chromosomes of healthy donors. The results suggest non-random long-range distribution of AFRs in human chromosomes, and somatic variations in the distribution of the repeats.
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