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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-48056

Fritzsche, F R; Pianca, S; Gaspert, A; Varga, Z; Wang, L; Farrell, M P; Chen, X B; Hirsch, H H; Springer, E; Fehr, T; Myles, J; Tubbs, R; Moch, H (2011). Silver-enhanced in situ hybridization for detection of polyomavirus DNA in patients with BK virus nephropathy. Diagnostic Molecular Pathology, 20(2):105-110.

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BK virus nephropathy is not an infrequent complication of renal transplantation associated with high rates of graft loss. Although antibodies against SV40 antigen detect different viruses of the polyomavirus family, immunohistochemistry is widely used to confirm the diagnosis of BK virus nephropathy in renal biopsies. Here we aimed to validate the novel silver-enhanced in situ hybridization (SISH) technique for the automated detection of BK virus in renal transplant biopsies. Two different patient cohorts were included. Twenty-nine consecutive patients suspicious for BK virus infection were investigated by SISH and chromogenic in situ hybridization. An additional 26 renal biopsies positive by SV40 immunohistochemistry from 19 patients were analyzed by SISH. Polyomavirus DNA serum levels, as determined by nested PCR analysis, were available for all of these patients. The presence of BK virus DNA in renal tubular cells was identified in 5 of the suspicious cases by both, SISH and chromogenic in situ hybridization . One additional patient was only positive in the SISH. In the second cohort, SISH was positive in all SV40 positive biopsies, but SISH signals were less extensive than SV40 immunohistochemistry. Our results show that the BK virus SISH is an ancillary tool for the detection of polyomavirus DNA in renal biopsies using bright-field microscopy. However, its diagnostic value in comparison with standard immunohistochemistry seems to be limited.


2 citations in Web of Science®
2 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Institute of Surgical Pathology
Dewey Decimal Classification:610 Medicine & health
Deposited On:06 Jun 2011 11:07
Last Modified:05 Apr 2016 14:54
Publisher:Lippincott Wiliams & Wilkins
Additional Information:This is a non-final version of an article published in final form in Diagnostic Molecular Pathology: 2011 - Volume 20 - Issue 2 - p 105–110.
Publisher DOI:10.1097/PDM.0b013e3182015074
Related URLs:http://journals.lww.com/molecularpathology/pages/default.aspx
PubMed ID:21532490

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