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  • Title: Bone marrow transplant engraftment analysis with loss of an informative allele.
    Author: Schichman SA, Lin P, Gilbrech LJ, Gray PS, Wilson CS, Sawyer JR.
    Journal: J Mol Diagn; 2002 Nov; 4(4):230-2. PubMed ID: 12411591.
    Abstract:
    Short tandem repeats (STRs) are highly polymorphic DNA sequences in the human genome. STR genotype analysis is used for human identity testing and to monitor bone marrow engraftment after allogeneic transplantation. Engraftment analysis requires one or more informative STR loci that distinguish recipient from donor. The following case illustrates that chromosome loss in tumor cells during the course of disease may cause corresponding loss of an STR locus. This circumstance is a potential source of error in the interpretation of engraftment analysis, especially if only one informative allele is used to monitor engraftment.
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