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. 2014 Oct 1;11:174. doi: 10.1186/1743-422X-11-174

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© Lagatie et al.; licensee BioMed Central Ltd. 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Identification of JCPyV_VP2_167-15mer as immunoreactive peptide. (A) Distribution of the JCPyV VP2 polyomavirus 15-mer peptide microarray signals obtained with plasma samples from 49 HSs, diluted at 1:200. Peptides with the largest signal distribution are indicated in red (JCPyV_VP2_116-15mer), green (JCPyV_VP2_167-15mer, light green is S₁₇₅ variant, dark green is A₁₇₅ variant) and blue (JCPyV_VP2_286-15mer). (B) Average signal in microarray vs. standard deviation of signal over the different subjects, plotted per peptide. (C) Similarity between peptides specific to JCPyV, BKPyV and SV40 for the 3 selected JCPyV peptides. (D) Plasma antibody reactivity of 50 HSs against JCPyV_VP2_167-15mer and BKPyV_VP2_167-15mer, with data presented as log₂ (signal of test sample / signal of the no-sample control). Samples were diluted at 1:200 and detected in a peptide ELISA.