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Diagnostic and Prognostic Value of Mitochondrial DNA Minisatellites after Stem Cell Transplantation  Eun Jeong Won, Hye Ran Kim, Hwan Young Kim, Hoon.

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Presentation on theme: "Diagnostic and Prognostic Value of Mitochondrial DNA Minisatellites after Stem Cell Transplantation  Eun Jeong Won, Hye Ran Kim, Hwan Young Kim, Hoon."— Presentation transcript:

1 Diagnostic and Prognostic Value of Mitochondrial DNA Minisatellites after Stem Cell Transplantation 
Eun Jeong Won, Hye Ran Kim, Hwan Young Kim, Hoon Kook, Hyeoung Joon Kim, Jong Hee Shin, Soon Pal Suh, Dong Wook Ryang, Myung Geun Shin  Biology of Blood and Marrow Transplantation  Volume 19, Issue 6, Pages (June 2013) DOI: /j.bbmt Copyright © Terms and Conditions

2 Figure 1 Sensitivity and accuracy of 303 polyC mtMS marker compared with nuclear STR marker under different storage conditions. The 303 poly C showed a constant 1% detection limit compared with the nuclear STR marker, which was independent of storage temperature and duration (A, B, C, and E). The nuclear STR marker showed no peak or unstable results when samples were stored for more than 2 weeks at 37°C (D), whereas the mtMS marker showed clear and precise peaks (B). Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © Terms and Conditions

3 Figure 2 Chimerism status examined by nuclear STR marker and mtMS marker in 35 patients and 2 representative examples with clinicopathological course. (A) Follow-up analysis of quantitative chimerism after allo-HSCT in 35 patients. The number in parentheses after each patient result line indicates survival in months during the follow-up periods. The number next to the triangular symbols indicates the degree of MC (% of recipient cells) with each marker. Six patients (indicated by ∗) demonstrated discrepant chimerism results with the nuclear STR and mtMS markers. (B and C) Two representative examples (15 and 68) highlighting clinical correlation of the mtMS marker. Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © Terms and Conditions

4 Figure 3 Prognostic implications according to alteration type of mtMS marker before allo-HSCT. (A and B) Complex type of 303 poly C mtMS marker from the donor cells before allo-HSCT showed shorter OS and RFS, albeit without statistical significance. (C and D) Profound alteration (ie, complex type) of 303 poly C mtMS marker in recipient BM cells before SCT disclosed worse prognosis (ie, shorter RFS) in patients with acute leukemia, especially ALL. Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © Terms and Conditions


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