The Extent of STR Chimerism in Different Biological Samples Following Bone Marrow Transplantation: A Case Report
Biological samples recovered from recipients of allogeneic haematopoietic stem cell transplant (HSCT) contain genetic material from both donor and him/herself. This chimeric condition can greatly complicate analysis of a DNA evidence and undermine its power of discrimination, as the specimens could be mistakenly identified as a mixed sample when in fact it originated from a single person. Profiling reference samples could help clarify the profile anomalies, however, the degree of mixture between host ’s and donor’s genetic materials has been reported to vary depending on the tissue from which DNA were obtained.
Source: Forensic Science International: Genetics Supplement Series - Category: Forensic Medicine Authors: Jittima Shotivaranon, Budsaba Rerkamnuaychoke, Achirapa Bandhaya Source Type: research
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