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Salinas T, Li C, Snopkowski C, Stryjniak G, Shankaranarayanan D, Albakry S, Ding R, Sharma VK, Salvatore SP, Seshan SV, Dadhania DM, Muthukumar T, Suthanthiran M. Urinary cell mRNA profiling of kidney allograft recipients: Development of a portable protocol for noninvasive diagnosis of T cell mediated rejection and BK virus nephropathy. J Immunol Methods 2023; 512:113402. [PMID: 36493873 DOI: 10.1016/j.jim.2022.113402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/22/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND We developed urinary cell mRNA profiling for noninvasive diagnosis of acute T cell mediated rejection (TCMR) and BK virus nephropathy (BKVN), two significant post-transplant complications. Our profiling protocol for the multicenter Clinical Trial of Transplantation-04 (CTOT-04) study consisted of centrifugation of urine to prepare cell pellets, washes, addition of an RNA preservative, storage at 800C and shipment in cold containers to our Gene Expression Monitoring (GEM) Core for RNA isolation and quantification of mRNA in RT-qPCR assays. To simplify profiling, we developed a filter-based protocol (ZFBP) that eliminated the need for centrifugation, RNA preservative, storage at 800C, and shipment in cold containers for mRNA profiling. Furthermore, we trained kidney allograft recipients to perform the filtration of urine at home using the filter and post the urinary cell lysate containing the RNA at ambient temperature to our GEM Core for profiling. Here, we report our refinement of ZFBP and investigation of its diagnostic performance characteristics. METHODS Total RNA was isolated from kidney allograft biopsy-matched urines using a filter-based protocol complemented by a silica-membrane-based cartridge for mRNA enrichment, the Weill Cornell Hybrid Protocol (WCHP). Absolute copy numbers of CD3ε mRNA, CXCL10 mRNA, and 18S rRNA, components of the CTOT-04 three-gene TCMR diagnostic signature, and urinary cell BKV VP 1 mRNA copy number were measured using RT-qPCR assays. Mann-Whitney test, Fischer exact test, and receiver operating characteristic (ROC) curve analysis were used for data analyses. RESULTS Urinary cell three-gene TCMR diagnostic signature scores in urines processed using the WCHP discriminated kidney allograft recipients with TCMR (12 TCMR biopsies from 11 patients) from those without TCMR or BKVN (29 No TCMR/No BKVN biopsies from 29 patients). The median (25th and 75th percentiles) score of the CTOT-04 three-gene TCMR diagnostic signature was -0.448 (-1.664, 0.204) in the TCMR group and - 2.542 (-3.267, -1.365) in the No TCMR/ No BKVN group (P = 0.0005, Mann-Whitney test). ROC curve analysis discriminated the TCMR group from the No TCMR/ No BKVN group; the area under the ROC curve (AUROC) was 0.84 (95% Confidence Intervals [CI], 0.69 to 0.98) (P < 0.001), and TCMR was diagnosed with a sensitivity of 67% (95% CI, 35 to 89) at a specificity of 86% (95% CI, 67 to 95) using the CTOT-04 validated cutpoint of -1.213 (P = 0.0016, Fisher exact test). BKV VP1 mRNA copy number in urines processed using the WCHP discriminated patients with BKVN (n = 7) from patients without TCMR or BKVN (n = 29) and the AUROC was 1.0 (95% CI, 1.00 to 1.00) (P < 0.0001) and BKVN was diagnosed with a sensitivity of 86% (95% CI, 42 to 99) at a specificity of 100% (95% CI, 85 to 100) with the previously validated cutpoint of 6.5 × 108 BKV-VP1 mRNA copies per microgram of RNA (P < 0.0001, Fisher exact test). CONCLUSION Urine processed using the WCHP predicted TCMR and BKVN in kidney allograft recipients. WCHP represents not only a significant advance toward the portability of urinary cell mRNA profiling but also improved patient management by minimizing their visits for urine collection.
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Affiliation(s)
- Thalia Salinas
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA; Department of Transplantation Medicine, NewYork-Presbyterian Hospital-Weill Cornell Medicine, New York, NY, USA.
| | - Carol Li
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Catherine Snopkowski
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Gabriel Stryjniak
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Divya Shankaranarayanan
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Shady Albakry
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Ruchuang Ding
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Vijay K Sharma
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Steven P Salvatore
- Division of Renal Pathology, Department of Pathology, NewYork-Presbyterian Hospital-Weill Cornell Medicine, New York, NY, USA
| | - Surya V Seshan
- Division of Renal Pathology, Department of Pathology, NewYork-Presbyterian Hospital-Weill Cornell Medicine, New York, NY, USA
| | - Darshana M Dadhania
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA; Department of Transplantation Medicine, NewYork-Presbyterian Hospital-Weill Cornell Medicine, New York, NY, USA
| | - Thangamani Muthukumar
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA; Department of Transplantation Medicine, NewYork-Presbyterian Hospital-Weill Cornell Medicine, New York, NY, USA
| | - Manikkam Suthanthiran
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA; Department of Transplantation Medicine, NewYork-Presbyterian Hospital-Weill Cornell Medicine, New York, NY, USA
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Li C, Hughes C, Ding R, Snopkowski C, Salinas T, Schwartz J, Dadhania D, Suthanthiran M. Development of a Bak gene based standard curve for absolute quantification of BK virus in real time quantitative PCR assay and noninvasive diagnosis of BK virus nephropathy in kidney allograft recipients. J Immunol Methods 2022; 509:113341. [PMID: 36027931 DOI: 10.1016/j.jim.2022.113341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/12/2022] [Accepted: 08/18/2022] [Indexed: 10/15/2022]
Abstract
BACKGROUND BK virus nephropathy (BKVN) is a frequent and serious post-transplant complication and undermines realization of the full benefits of kidney transplantation. We developed a Bak amplicon-based standard curve for absolute quantification of BKV VP1 mRNA copy number in the real time quantitative PCR (RT-qPCR) assay and investigated the performance characteristics of this novel assay. METHODS We determined analytical specificity, sensitivity, and precision of our 73 bp mouse Bak amplicon based standard curve for absolute quantification of BKV VP1 mRNA in RT-qPCR assays. The diagnostic accuracy of the Bak standard curve in the RT-qPCR assay for the noninvasive diagnosis of BKVN in human kidney allograft recipients was investigated by quantification of BKV VP1 mRNA copy number in 192 urine samples matched to 192 kidney allograft biopsies from 155 unique kidney allograft recipients. Intraclass correlation coefficients (ICC) were calculated for the threshold cycles (Ct) and BKV VP1 mRNA copy number observed in the RT-qPCR assay with the Bak standard curve or the BKV standard curve. RESULTS Performance characteristics of the Bak amplicon-based RT-qPCR assay were exceptional with a slope of -3.291, Y-intercept of 38.60, R2 value of 1.00, efficiency of 101% and error of 0.014. Amplification was specific for the Bak amplicon. Intra assay standard deviation (SD) was 0.08 or less and inter assay SD was 0.11 or less for 31 cycles or less of amplification of the Bak amplicon. Receiver operating characteristic (ROC) curve analysis of BKV VP1 mRNA copy number in 192 biopsy matched urines yielded an area under the ROC of 0.982 (95% CI, 0.964 to 0.999, P < 0.0001) for discriminating patients with BKVN biopsies from patients without BKVN biopsies. The striking identity in the measurement of BKV VP1 mRNA copy numbers in the Bak amplicon-based RT-qPCR assay and in the BKV amplicon-based RT-qPCR assay was shown by an ICC of 1.00 when the Cts were compared, and an ICC of 0.99 when the log10 BKV VP1 mRNA copy numbers were compared. CONCLUSIONS Bak standard curve for absolute quantification of BKV VP1 mRNA copy number in the RT-qPCR assay demonstrated high efficiency, short and long-term precision and analytical specificity. BKVN was diagnosed with high accuracy. Our new findings, viewed in the light of our earlier demonstration that absolute quantification of a panel of mRNAs encoding immunoregulatory proteins is feasible with the Bak amplicon-based RT-qPCR assays, suggest that the Bak standard curve could serve as a universal calibrator for absolute quantification of transcripts in RT-qPCR assays and help reduce the workload, costs and eliminate contamination of genes of interest by repeated amplification of gene specific standard curves.
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Affiliation(s)
- Carol Li
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Clayton Hughes
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Ruchuang Ding
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Catherine Snopkowski
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Thalia Salinas
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA; Department of Transplantation Medicine, NewYork-Presbyterian Hospital-Weill Cornell Medicine, New York, NY, USA
| | - Joseph Schwartz
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Darshana Dadhania
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA; Department of Transplantation Medicine, NewYork-Presbyterian Hospital-Weill Cornell Medicine, New York, NY, USA
| | - Manikkam Suthanthiran
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine, New York, NY, USA; Department of Transplantation Medicine, NewYork-Presbyterian Hospital-Weill Cornell Medicine, New York, NY, USA.
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Izi S, Youssefi M, Mohammadian Roshan N, Azimian A, Amel Jamehdar S, Zahedi Avval F. Higher detection of JC polyomavirus in colorectal cancerous tissue after pretreatment with topoisomerase I enzyme; colorectal tissue serves as a JCPyV persistence site. Exp Mol Pathol 2021; 123:104687. [PMID: 34592199 DOI: 10.1016/j.yexmp.2021.104687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 09/11/2021] [Accepted: 09/22/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND The JC polyomavirus has been blamed to contribute in colorectal cancer (CRC), however, the topic is still controversial. Varying detection rate of JCPyV genome has been reported mainly due to technical reasons. Here, we provide summative data on the topic, with emphasize on technical issues. METHODS Formalin-fixed paraffin-embedded tissue samples from 50 patients with CRC, consisting of tumoral and non-cancerous marginal tissue (totally 100 samples) were included in the study. After DNA extraction, specific JCPyV T-Ag sequences were targeted using Real-time PCR. To unwind the supercoiled JCPyV genome, pretreatment with topoisomerase I, was applied. Immunohistochemical (IHC) staining was performed using an anti-T-Ag monoclonal antibody. RESULTS In the first attempts, no samples were found to be positive in Real-time PCR assays. However, JCPyV sequences were found in 60% of CRC tissues and 38% of non-cancerous colorectal mucosa after application of pre-treatment step with topoisomerase I enzyme (P = 0.028). T-Ag protein was found in the nuclear compartment of the stained cells in IHC assays. CONCLUSIONS The presence of JCPyV in CRC tissues, as well as T-Ag localization in the nucleolus, where its oncogenic effect takes place, may provide supporting evidence for JCPyV involvement in CRC development. The study highlights the importance of using topoisomerase I to enhance JCPyV genome detection. Also, colorectal tissue is one of the permissive human tissue for JC resistance after preliminary infection.
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Affiliation(s)
- Samira Izi
- Department of Clinical Biochemistry, School of Medicine, Mashhad University of Medical Sciences, Mashhad, IRAN; Student Research Committee, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Masoud Youssefi
- Department of Microbiology and Virology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Antimicrobial resistance Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Nema Mohammadian Roshan
- Department of Pathology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Azimian
- Department of Pathobiology and Laboratory Sciences, North Khorasan University of Medical Sciences, Bojnourd, Iran
| | - Saeid Amel Jamehdar
- Department of Microbiology and Virology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Antimicrobial resistance Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farnaz Zahedi Avval
- Department of Clinical Biochemistry, School of Medicine, Mashhad University of Medical Sciences, Mashhad, IRAN.
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Udomkarnjananun S, Kerr SJ, Francke MI, Avihingsanon Y, van Besouw NM, Baan CC, Hesselink DA. A systematic review and meta-analysis of enzyme-linked immunosorbent spot (ELISPOT) assay for BK polyomavirus immune response monitoring after kidney transplantation. J Clin Virol 2021; 140:104848. [PMID: 33979739 DOI: 10.1016/j.jcv.2021.104848] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 04/12/2021] [Accepted: 04/21/2021] [Indexed: 12/29/2022]
Abstract
BK virus (BKV) infection after kidney transplantation can cause BKV nephropathy (BKVAN) resulting in graft dysfunction and allograft loss. The treatment for BKVAN is reduction of the immunosuppressive load which increases the risk of kidney transplant rejection. There is no biomarker to monitor BKV activity besides BK viral load. The value of the Enzyme-Linked Immunosorbent Spot (ELISPOT) assay as a tool to monitor the recipient's anti-BKV immune response after transplantation was investigated systematically. Electronic databases, including MEDLINE, Scopus, and the Cochrane Central Register of Controlled Trials were searched for studies of ELISPOT evaluating the immune response against BKV. BKV status was categorized as "active BKV infection" and as "resolving BKV infection". Random-effects model meta-analysis was performed to determine the diagnostic performance of the ELISPOT assay, after stratifying patients into groups based on positive and negative ELISPOT results. One-hundred twenty-seven articles were identified of which nine were included. Patients with negative ELISPOT had an increased risk of having active BKV replication (odds ratio of 71.9 (95%-CI 31.0-167.1). Pooled sensitivity was 0.95 (95%-CI 0.89-0.98) and specificity was 0.88 (95%-CI 0.78-0.94). The standardized mean difference of the number of IFN-γ producing cells between patients with active BKV infection compared with patients who had resolving BKV infection was -2.09 (95%-CI -2.50, -1.68). The ELISPOT assay is a useful tool for BKV risk assessment and in combination with BKV load may support clinicians in guiding immunosuppressive therapy in patients with BKV replication.
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Affiliation(s)
- Suwasin Udomkarnjananun
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands; Erasmus MC Transplantation Institute, Rotterdam, Netherlands.
| | - Stephen J Kerr
- Research Affairs, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
| | - Marith I Francke
- Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands; Erasmus MC Transplantation Institute, Rotterdam, Netherlands.
| | - Yingyos Avihingsanon
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand.
| | - Nicole M van Besouw
- Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands; Erasmus MC Transplantation Institute, Rotterdam, Netherlands.
| | - Carla C Baan
- Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands; Erasmus MC Transplantation Institute, Rotterdam, Netherlands.
| | - Dennis A Hesselink
- Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands; Erasmus MC Transplantation Institute, Rotterdam, Netherlands.
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Ko CJ, Wang A, Panse G, Lee EE, Wang RC, Whang PG, Bosenberg M, Damsky W. HPyV6- and HPyV7-negative parakeratosis and dyskeratosis in squamous cell carcinoma in situ. J Cutan Pathol 2021; 48:998-1000. [PMID: 33813761 DOI: 10.1111/cup.14022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 03/16/2021] [Accepted: 03/31/2021] [Indexed: 11/29/2022]
Affiliation(s)
- Christine J Ko
- Department of Dermatology, Yale University Medical School, New Haven, Connecticut, USA.,Department of Pathology, Yale University Medical School, New Haven, Connecticut, USA
| | - Alice Wang
- Department of Dermatology, Yale University Medical School, New Haven, Connecticut, USA
| | - Gauri Panse
- Department of Dermatology, Yale University Medical School, New Haven, Connecticut, USA.,Department of Pathology, Yale University Medical School, New Haven, Connecticut, USA
| | | | - Richard C Wang
- Department of Dermatology, University of Texas Southwestern, Dallas, Texas, USA
| | - Peter G Whang
- Department of Orthopaedic Surgery, Yale University Medical School, New Haven, Connecticut, USA
| | - Marcus Bosenberg
- Department of Dermatology, Yale University Medical School, New Haven, Connecticut, USA.,Department of Pathology, Yale University Medical School, New Haven, Connecticut, USA
| | - William Damsky
- Department of Dermatology, Yale University Medical School, New Haven, Connecticut, USA.,Department of Pathology, Yale University Medical School, New Haven, Connecticut, USA
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Tagaram HRS, Watson AM, Lemonnier FA, Staveley-O'Carroll K, Tevethia SS, Schell TD. An SV40 VP1-derived epitope recognized by CD8+ T cells is naturally processed and presented by HLA-A*0201 and cross-reactive with human polyomavirus determinants. Virology 2008; 376:183-90. [PMID: 18402997 DOI: 10.1016/j.virol.2008.02.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2008] [Revised: 01/29/2008] [Accepted: 02/29/2008] [Indexed: 11/26/2022]
Abstract
The CD8+ T cell responses directed toward the VP1 antigens of human polyomaviruses JC and BK recently were shown to be cross-reactive. Two HLA-A0201-restricted determinants from each virus have been defined and include JCp100-108 (ILMWEAVTL) and BKp108-116 (LLMWEAVTV) as well as JCp36-44 (SITEVECFL) and BKp44-52 (AITEVECFL). We asked whether VP1 from the related SV40 contains similar HLA-A0201-restricted determinants. In this study, we demonstrate that CD8+ T cells specific for SV40 VP1 p110-118 (ILMWEAVTV), but not p46-54 (SFTEVECFL), can be induced in HLA-A0201-transgenic mice and that these CD8+ T cells cross-react with the corresponding determinants from JC and BK virus. The SV40 p110 determinant was found to be processed and presented in SV40-infected cells. These results indicate that the JCp36/BKp44 determinants are distinctive for the human polyomaviruses while the JCp100/BKp108/SVp110 determinants are shared by all three viruses, providing a target for CD8+ T cell cross-reactivity.
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Affiliation(s)
- Hephzibah Rani S Tagaram
- Department of Surgery, The Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
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Abstract
BK virus (BKV) exhibits many oncogenic properties and has been associated with a variety of tumors in humans. BKV has not been well studied in the context of prostate neoplasia; however, an association of BKV with prostatic adenocarcinoma has been suggested based on the detection of viral DNA sequences and expression of viral proteins in clinical samples. To further investigate the reported association of BKV with prostatic adenocarcinoma and the potential role of the virus in prostate tumorigenesis, 30 cases of adenocarcinoma of the prostate were analyzed for evidence of BKV infection by in situ hybridization and immunohistochemistry. In situ hybridization analysis detected BKV DNA in 2 of 30 (7%) prostatic adenocarcinomas, with positive signals focally identified in less than 1% of the neoplastic cells in both cases. However, none of the tumors evaluated demonstrated evidence of BKV large tumor antigen expression by immunohistochemistry. Among prostatic adenocarcinomas that showed no evidence of BKV infection, BKV DNA was focally observed in the adjacent non-neoplastic prostate tissue in four cases by in situ hybridization in the absence of BKV large tumor antigen immunoreactivity. The findings of the present study indicate rare cases of prostatic adenocarcinoma may be associated with BKV infection. However, lack of localization of BKV to a large population of the neoplastic cells and absence of BKV large tumor antigen expression suggest that the virus does not play a role in the pathogenesis of prostate cancer.
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Affiliation(s)
- Sean K Lau
- Department of Pathology, Beckman Research Institute, City of Hope National Medical Center, Duarte, California 91010, USA.
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8
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Leithner K, Leithner A, Clar H, Weinhaeusel A, Radl R, Krippl P, Rehak P, Windhager R, Haas OA, Olschewski H. Mesothelioma mortality in Europe: impact of asbestos consumption and simian virus 40. Orphanet J Rare Dis 2006; 1:44. [PMID: 17090323 PMCID: PMC1664552 DOI: 10.1186/1750-1172-1-44] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2006] [Accepted: 11/07/2006] [Indexed: 12/21/2022] Open
Abstract
Background It is well established that asbestos is the most important cause of mesothelioma. The role of simian virus 40 (SV40) in mesothelioma development, on the other hand, remains controversial. This potential human oncogene has been introduced into various populations through contaminated polio vaccines. The aim of this study was to investigate whether the possible presence of SV40 in various European countries, as indicated either by molecular genetic evidence or previous exposure to SV40-contaminated vaccines, had any effect on pleural cancer rates in the respective countries. Methods We conducted a Medline search that covered the period from January 1969 to August 2005 for reports on the detection of SV40 DNA in human tissue samples. In addition, we collected all available information about the types of polio vaccines that had been used in these European countries and their SV40 contamination status. Results Our ecological analysis confirms that pleural cancer mortality in males, but not in females, correlates with the extent of asbestos exposure 25 – 30 years earlier. In contrast, neither the presence of SV40 DNA in tumor samples nor a previous vaccination exposure had any detectable influence on the cancer mortality rate in neither in males (asbestos-corrected rates) nor in females. Conclusion Using the currently existing data on SV40 prevalence, no association between SV40 prevalence and asbestos-corrected male pleural cancer can be demonstrated.
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Affiliation(s)
- Katharina Leithner
- Department of Pulmonology, University Clinic of Internal Medicine, Medical University Graz, Graz, Austria
| | - Andreas Leithner
- Department of Orthopedic Surgery, Medical University Graz, Graz, Austria
| | - Heimo Clar
- Department of Orthopedic Surgery, Medical University Graz, Graz, Austria
| | | | - Roman Radl
- Department of Orthopedic Surgery, Medical University Graz, Graz, Austria
| | - Peter Krippl
- Department of Oncology, University Clinic of Internal Medicine, Medical University Graz, Graz, Austria
| | - Peter Rehak
- Division of Biomedical Engineering and Computing, Department of Surgery, Medical University Graz, Graz, Austria
| | - Reinhard Windhager
- Department of Orthopedic Surgery, Medical University Graz, Graz, Austria
| | - Oskar A Haas
- Children's Cancer Research Institute (CCRI), St. Anna Children's Hospital, Vienna, Austria
| | - Horst Olschewski
- Department of Pulmonology, University Clinic of Internal Medicine, Medical University Graz, Graz, Austria
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9
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Reply: Antibody levels against BK virus and prostate, kidney and bladder cancers in the EPIC-Oxford cohort. Br J Cancer 2006. [PMCID: PMC2361360 DOI: 10.1038/sj.bjc.6603125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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10
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Weinreb DB, Desman GT, Burstein DE, Kim DU, Dikman SH, Johnson EM. Expression of p53 in virally infected tubular cells in renal transplant patients with polyomavirus nephropathy. Hum Pathol 2006; 37:684-8. [PMID: 16733208 DOI: 10.1016/j.humpath.2006.01.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2005] [Revised: 01/11/2006] [Accepted: 01/13/2006] [Indexed: 11/21/2022]
Abstract
Polyomavirus (PV) infection is associated with ureteral stenosis, hemorrhagic cystitis, and interstitial nephritis in renal transplant patients. The 3 PVs detected in human beings-BK virus, JC virus, and simian virus 40-each encode highly homologous forms of a large T antigen, a transcriptional and replicational regulatory protein. We describe immunohistochemical findings in 5 renal transplant patients who developed PV nephropathy (PVN) and a sixth patient with both PVN and PV infection of the bladder mucosa. Polyomavirus infection was confirmed by immunohistochemical detection of T antigen in kidney and bladder biopsies. We report on the expression of p53 specific to virally infected cells in all biopsies positive for T antigen. Examination of posttransplant biopsies obtained from these 6 patients before they were diagnosed with PVN revealed no expression of T antigen or p53. Accumulation of p53 in PV-infected cells may occur in response to binding of p53 by T antigen, resulting in stabilization of p53. These results provide the first evidence for intracellular actions of PV T antigen in the context of nonneoplastic diseases.
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Affiliation(s)
- David B Weinreb
- Department of Pathology, Mount Sinai School of Medicine, New York, NY 10029, USA.
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Weinreb DB. Re: Detection of JC virus sequences in colorectal cancers in Japan. Virchows Arch 2005; 448:239. [PMID: 16365728 DOI: 10.1007/s00428-005-0128-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2005] [Accepted: 10/26/2005] [Indexed: 11/30/2022]
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Itabashi Y, Sakai K, Kawamura T, Hyodo Y, Muramatsu M, Arai K, Aikawa A, Mizuiri S, Ohara T, Hasegawa C, Ishikawa Y, Hasegawa A. BK virus nephropathy in a patient with ABO-incompatible renal transplantation. Clin Transplant 2004; 18 Suppl 11:39-43. [PMID: 15191372 DOI: 10.1111/j.1399-0012.2004.00246.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A 43-year-old woman with end-stage renal disease originating from IgA nephropathy entered chronic haemodialysis therapy. She then received an ABO-incompatible living related renal transplantation. Initial immunosuppression consisted of azathioprine, methylprednisolone and tacrolimus. At 155 days after transplantation, the azathioprine was changed to mycophenolate mofetil for continuous graft dysfunction. Furthermore, a total of three courses of anti-rejection therapy was given. At 665 days after transplantation, diagnosis of BK-virus nephropathy was made by immunohistochemical analysis and viral DNA assay. Therefore the immunosuppression therapy was reduced for graft dysfunction. All five renal biopsy specimens were examined retrospectively in order to determine when the BK virus nephropathy had developed. The expressions of SV40 large T antigens were detected from the third (117 days) to the fifth (665 days) biopsies, with increasing numbers of SV40 large T antigen positive cells. In addition, many cells contained inclusion bodies which were already present in the urinary sediment for 3 months post-transplantation. Although it is difficult to make a diagnosis of early stage of BKVN, we have to consider with caution if urinary cells with inclusion body are seen. Awareness of BKVN at the earliest opportunity is important in order to avoid over-immunosuppression.
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Affiliation(s)
- Y Itabashi
- Department of Nephrology, Toho University School of Medicine, Tokyo, Japan.
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Li RM, Mannon RB, Kleiner D, Tsokos M, Bynum M, Kirk AD, Kopp JB. BK virus and SV40 co-infection in polyomavirus nephropathy. Transplantation 2002; 74:1497-504. [PMID: 12490781 DOI: 10.1097/00007890-200212150-00004] [Citation(s) in RCA: 98] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Polyomavirus (PV) nephropathy has been attributed to reactivation of BK virus (BKV) or more rarely JC virus (JCV). The simian virus (SV) 40 is PV that was likely introduced into the human population through contaminated vaccines. The purpose of this study was to identify and characterize the PV that is associated with PV nephropathy. METHODS The clinical diagnosis of PV nephropathy (PVN) was made in patients with acute deterioration in renal function whose renal biopsies showed typical viral cytopathic changes in tubular epithelial cells and staining for PV T antigen. Polymerase chain reaction (PCR) amplification of DNA from peripheral blood mononuclear cells (PBMC), urinary cells, and renal biopsy tissue was performed using specific primers for the transcription control regions of BKV, JCV, and SV40, respectively. RESULTS Six cases of PV nephropathy were identified in 91 renal transplant recipients (7%). Immunosuppressive therapy was modified in all patients. Renal function stabilized or improved in four patients and deteriorated in two patients, and one patient has lost his allograft, after follow-up from 2 to 25 months. PCR detection demonstrated BKV genome in three of five PBMC samples, six of six urinary cell samples, and two of four renal biopsies. SV40 genome was detected in two of five PBMC samples, one of six urinary cell samples, and two of four renal biopsies. Infectious SV40 and BKV was demonstrated in CV-1 co-cultures using urine from one patient. JCV was not detected in any PVN sample. Co-infection with BKV and SV40 was found in two PVN patients. Urine samples obtained 12 months after transplant from 26 transplant recipients without PVN on simultaneous protocol renal biopsy were analyzed by PCR; BKV genome was demonstrated in 5 of 25 samples, JCV genome was demonstrated in 3 of 25 samples, and SV40 genome was demonstrated in 0 of 25 samples. CONCLUSION The authors report molecular evidence that co-infection with BKV and SV40 occurs in renal transplant patients with PVN, suggesting that SV40 may contribute to PVN after renal transplant.
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Affiliation(s)
- Rui-Mei Li
- Kidney Disease Section, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
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Geetha D, Tong BC, Racusen L, Markowitz JS, Westra WH. Bladder carcinoma in a transplant recipient: evidence to implicate the BK human polyomavirus as a causal transforming agent. Transplantation 2002; 73:1933-6. [PMID: 12131691 DOI: 10.1097/00007890-200206270-00015] [Citation(s) in RCA: 110] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The BK polyomavirus (BKV) infects most of the human population, but clinically relevant infections are mostly limited to individuals who are immunosuppressed. In transplant recipients, BKV has been associated with ureteral stenosis, interstitial nephritis, and hemorrhagic cystitis. The role of BKV in the development of human tumors is intriguing but uncertain. BKV has been identified in various tumor types including urothelial carcinoma, but the ubiquitous presence of BKV as a latent infection has confounded efforts to validate any causal role in cancer development. We report the case of a simultaneous pancreas and kidney transplant recipient who developed BKV interstitial nephritis and carcinoma of the bladder with widespread metastases. High level expression of BKV large T antigen in the primary and metastatic carcinoma, but not in the nonneoplastic urothelium, implicates BKV as an etiologic agent in the development of this tumor.
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Affiliation(s)
- Duvuru Geetha
- Department of Medicine, The Johns Hopkins Hospital Medical Institutions, Baltimore, Maryland 21231, USA
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Cooper MJ, Miron S. Efficient episomal expression vector for human transitional carcinoma cells. Hum Gene Ther 1993; 4:557-66. [PMID: 8280794 DOI: 10.1089/hum.1993.4.5-557] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
To develop an efficient expression vector for human transitional carcinoma cells, we evaluated the replication activity of episomal vectors derived from the BK virus (BKV) and the Epstein-Barr virus (EBV) in HT-1376 bladder carcinoma cells. Southern blot analysis of transient transfectants indicated that the BKV-derived episome replicated extrachromosomally whereas the EBV replicon did not appear to be functional in these cells. HT-1376 cells were stably transfected with BKV-derived episomes containing the neomycin resistance gene as a selectable marker. Southern analysis demonstrated that these stable transfectants contained approximately 150 copies of the BKV episome per cell. There was no evidence of integration of the BKV episome into genomic DNA following selection with G418 for 10 weeks. These stable episomal transfectants had approximately 20-fold higher levels of expression of neomycin resistance gene mRNA than clones of HT-1376 cells transfected with pSV2NEO which contained five integrated copies of this gene. In soft agar cloning experiments, BKV episomes were efficiently transferred to the progeny of these transfectants during cell division over multiple generations. Additionally, BKV episomal copy number is maintained in stable transfectants after withdrawal of selection pressure for over 2 months. These data demonstrate that BKV-derived episomes replicate efficiently in bladder carcinoma cells, yielding stable transfectants having a high episomal copy number and expressing encoded genes at high levels. BKV-derived episomes may be useful in gene therapy strategies to modulate the growth of bladder carcinoma cells.
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Affiliation(s)
- M J Cooper
- Department of Medicine, University Hospitals of Cleveland, Case Western Reserve University School of Medicine, OH 44106
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Baden HP, Kubilus J, Kvedar JC, Steinberg ML, Wolman SR. Isolation and characterization of a spontaneously arising long-lived line of human keratinocytes (NM 1). IN VITRO CELLULAR & DEVELOPMENTAL BIOLOGY : JOURNAL OF THE TISSUE CULTURE ASSOCIATION 1987; 23:205-13. [PMID: 2435701 DOI: 10.1007/bf02623581] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The long-lived keratinocyte line, NM 1, was isolated from the epidermis of a pool of foreskins obtained from apparently normal neonates at the time of circumcision. Cultures were initiated in Dulbecco's minimal essential medium containing 20% fetal bovine serum, 0.4 micrograms/ml hydrocortisone, 10(-9) M cholera toxin, and 10 ng/ml epidermal growth factor using mitomycin C-treated 3T3 cells as a feeder layer. Unlike normal keratinocytes which survive for only 150 generations these cells have been in culture for more than a year and have been carried for more than 400 doublings. The cells seem to follow a pathway of growth and differentiation that is very similar to normal keratinocytes. Cytokeratin fibrils, intercellular attachments, and cornified envelopes were observed. The keratin polypeptides isolated from the NM 1 cells were similar to those previously described in normal cultured cells; the presence of profilaggrin and involucrin was demonstrated by sodium dodecyl sulfate electrophoresis and immunoblotting with monoclonal antibodies specific to these proteins. The NM 1 cells showed a reduced dependency on 3T3 feeder cells but did not form tumors when placed into athymic nude mice. Screening of the cells for SV40, BK, HPV 16, and HPV 18 viruses was negative. The NM 1 cells showed trisomy of chromosome 8. The long-lived nature of these cells makes them a valuable model for studying growth and differentiation of keratinocytes.
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Small JA, Khoury G, Jay G, Howley PM, Scangos GA. Early regions of JC virus and BK virus induce distinct and tissue-specific tumors in transgenic mice. Proc Natl Acad Sci U S A 1986; 83:8288-92. [PMID: 2430282 PMCID: PMC386913 DOI: 10.1073/pnas.83.21.8288] [Citation(s) in RCA: 109] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
JC virus and BK virus are ubiquitous human viruses that share sequence and structural homology with simian virus 40. To characterize tissue-specific expression of these viruses and to establish model systems for the study of human viral-induced disease, transgenic mice containing early regions of each of the viruses were produced. The viral sequences induced tumors in a distinct and tissue-specific manner that was similar to their tissue tropism in humans. Ten JC virus-containing founder mice were produced, of which 5 survived to maturity. Four of them developed adrenal neuroblastomas, which metastasized to several other tissues. JC virus tumor-antigen RNA was detected at high levels in the tumor tissues and at low levels in the normal tissues of these mice. One of the three BK virus-containing mice was abnormally shaped and died at 2 weeks of age. The other two BK virus-containing mice developed primary hepatocellular carcinomas and renal tumors and died at 8-10 months of age. BK virus tumor-antigen RNA was expressed in tumor tissues of both mice. Since each of the viruses retained the general tissue tropism that it exhibits in humans, these data suggest that transgenic mice harboring human viruses will be useful as animal models for viral-induced diseases.
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