Proteomic patterns predict acute graft-versus-host disease after allogeneic hematopoietic stem cell transplantation.


Acute graft-versus-host disease (aGvHD) contributes significantly to morbidity and mortality after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Diagnosis of GvHD is mainly based on clinical features and tissue biopsies. A noninvasive, unbiased laboratory test for GvHD diagnosis does not exist. Here we describe the application of capillary electrophoresis coupled online with mass spectrometry (CE-MS) to 13 samples from 10 patients with aGvHD of grade II or more and 50 control samples from 23 patients without GvHD. About 170 GvHD-specific polypeptides were detected and a tentatively aGvHD-specific model consisting of 31 polypeptides was chosen, allowing correct classification of 13 of 13 (sensitivity 100.0% [95% confidence interval {CI} 75.1 to 100.0]) aGvHD samples and 49 of 50 (specificity 98.0% [95% CI 89.3 to 99.7]) control samples of the training set. The subsequent blinded evaluation of 599 samples enabled diagnosis of aGvHD greater than grade II, even prior to clinical diagnosis, with a sensitivity of 83.1% (95% CI 73.1 to 87.9) and a specificity of 75.6% (95% CI 71.6 to 79.4). Thus, high-resolution proteome analysis represents an unbiased laboratory-based screening method, enabling diagnosis, and possibly enabling preemptive therapy.

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@article{Weissinger2007ProteomicPP, title={Proteomic patterns predict acute graft-versus-host disease after allogeneic hematopoietic stem cell transplantation.}, author={Eva Maria Weissinger and Eric Schiffer and Bernd Hertenstein and James Ferrara and Ernst Holler and Michael Stadler and H J Kolb and Axel Rolf Zander and Petra Zuerbig and Markus Kellmann and Arnold Ganser}, journal={Blood}, year={2007}, volume={109 12}, pages={5511-9} }