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Angiogenic Factors Correlate with T Cell Immune Reconstitution and Clinical Outcomes after Double-Unit Umbilical Cord Blood Transplantation in Adults 

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Presentation on theme: "Angiogenic Factors Correlate with T Cell Immune Reconstitution and Clinical Outcomes after Double-Unit Umbilical Cord Blood Transplantation in Adults "— Presentation transcript:

1 Angiogenic Factors Correlate with T Cell Immune Reconstitution and Clinical Outcomes after Double-Unit Umbilical Cord Blood Transplantation in Adults  Ioannis Politikos, Haesook T. Kim, Theodoros Karantanos, Julia Brown, Sean McDonough, Lequn Li, Corey Cutler, Joseph H. Antin, Karen K. Ballen, Jerome Ritz, Vassiliki A. Boussiotis  Biology of Blood and Marrow Transplantation  Volume 23, Issue 1, Pages (January 2017) DOI: /j.bbmt Copyright © 2017 The American Society for Blood and Marrow Transplantation Terms and Conditions

2 Figure 1 Kinetics of plasma VEGF, ANG-1, TM, and ANG-2 levels after dUCBT. (A-D) Median levels of VEGF (A), ANG-1 (B), TM (C) and ANG-2 (D) from baseline through 12 months post-transplantation are shown. Error bars denote 25th and 75th percentiles. Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © 2017 The American Society for Blood and Marrow Transplantation Terms and Conditions

3 Figure 2 In vitro angiogenesis assay. (A) Representative images of HUVEC cells cultured with no serum (top row) or with two different concentrations of FCS (second and third row). FCS in the culture medium replaced by human plasma (bottom row). Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © 2017 The American Society for Blood and Marrow Transplantation Terms and Conditions

4 Figure 3 In vitro angiogenesis assay and correlations with T cell subsets. (A) In vitro angiogenesis assay was performed using 2% plasma from each 1 of 21 dUCBT recipients and angiogenic activity after 18-hour incubation was quantified as described in Methods. Representative images of patients with high (pt1) and low (pt2) plasma angiogenic activity are shown. (B) Total segment length positively correlates with CD4+ (r = .45, P = .04), CD4+CD45R0+ (r = .49, P = .03), and CD4+CD25+ T cells (r = .49, P = .03) after dUCBT. Number of segments and meshes also positively correlated with T cell subsets and TRECs but fell short of statistical significance (data not shown). Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © 2017 The American Society for Blood and Marrow Transplantation Terms and Conditions

5 Figure 4 Median TM levels in patients with and without cGVHD. Patients who developed GVHD had higher TM levels at baseline (P < .001), at 4 weeks (P = .0045), 8 weeks (P = .01), and 100 days (P = .056) after dUCBT compared with patients without cGVHD. Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © 2017 The American Society for Blood and Marrow Transplantation Terms and Conditions


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