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  • Title: Analysis of chimerism after bone marrow transplantation using specific oligonucleotide probes.
    Author: Casarino L, Carbone C, Capucci MA, Izzi T, Ferrara GB.
    Journal: Bone Marrow Transplant; 1992 Aug; 10(2):165-70. PubMed ID: 1356057.
    Abstract:
    DNA hybridization with synthetic oligonucleotide probes was used to follow 18 leukemia patients who received bone marrow transplantation from HLA-identical siblings. Five oligomers complementary to the tandem repetitive sequences of different hypervariable regions of human DNA were designed to produce simple restriction fragment length polymorphism patterns. Each probe hybridized to one or two bands in Hinf I-digested genomic DNA. Combined use of these probes enabled us to distinguish all sibling pairs. DNA analysis early post-transplant (15 days) detected donor-specific fragments in 14 of 18 subjects; two patients had a combination of recipient and donor fragments. Later post-transplant, (102-15 days), one of these two showed only recipient-specific fragments, and the other donor-specific fragments. These data are in accord with other markers of engraftment including cytogenetics and red blood cell phenotyping.
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