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Hanneke M. van der Straaten, Marijke R. Canninga-van Dijk, Leo F

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Presentation on theme: "Hanneke M. van der Straaten, Marijke R. Canninga-van Dijk, Leo F"— Presentation transcript:

1 Extra-Domain-A Fibronectin: A New Marker of Fibrosis in Cutaneous Graft-Versus-Host Disease 
Hanneke M. van der Straaten, Marijke R. Canninga-van Dijk, Leo F. Verdonck, Domenico Castigliego, H.P. Eric Borst, Jan Aten, Rob Fijnheer  Journal of Investigative Dermatology  Volume 123, Issue 6, Pages (December 2004) DOI: /j X x Copyright © 2004 The Society for Investigative Dermatology, Inc Terms and Conditions

2 Figure 1 ED-A fibronectin (FN) staining of normal, acute and chronic cutaneous graft-versus-host-disease (GVHD) skin biopsies. (A) ED-A FN staining of normal skin showing weak positivity in the subendothelial matrix of the upper vascular endothelial cells. (B) ED-A FN staining of acute cutaneous GVHD skin showing strong positivity in the subendothelial matrix of the upper vascular endothelial cells and in the stratum papillare. (C) ED-A FN staining of chronic cutaneous GVHD skin showing extensive positivity in the subendothelial matrix of the upper and lower vascular endothelial cells and in the deeper layers of the dermis. Original magnification × 100 (A–C). Journal of Investigative Dermatology  , DOI: ( /j X x) Copyright © 2004 The Society for Investigative Dermatology, Inc Terms and Conditions

3 Figure 2 EDA+ fibronectin (FN) and EDA- FN mRNA quantification comparing normal (n=10) with acute graft-versus-host disease (GVHD) (n=10) and chronic GVHD (n=10) skin biopsies, respectively. mRNAs were quantified using qPCR of cDNA. Results are expressed as 1 divided by the ratio of the threshold cycle (Ct) of EDA+ FN divided by the Ct of EDA- FN: 1/(EDA+/EDA-). Threshold cycles were standardized by Ct for the housekeeping gene PBGD. The ratio increases when relatively more EDA+ copies are formed. The 1/ (EDA+/EDA-) ratio of both acute and chronic cutaneous GVHD were compared with normal skin, thereby taking the latter as the reference group. p values arefrom Student's t test. Journal of Investigative Dermatology  , DOI: ( /j X x) Copyright © 2004 The Society for Investigative Dermatology, Inc Terms and Conditions

4 Figure 3 Primers and probes of EDA+ and EDA- fibronectin (FN). The forward primer of EDA+FN lies within the EDA region, whereas the forward primer of the EDA-FN does not include the EDA region. The reverse primers and probes are similar for EDA+ and EDA-. Journal of Investigative Dermatology  , DOI: ( /j X x) Copyright © 2004 The Society for Investigative Dermatology, Inc Terms and Conditions


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