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Bianchino G, Grieco V, Pietrantuono G, Russi S, Del Vecchio L, Falco G, Notarangelo T. Comparative analyses of DNA extraction methods for whole blood quantification of HCMV DNAemia in patients with hematological diseases: false negative cases in manual method. Heliyon 2023; 9:e18740. [PMID: 37554809 PMCID: PMC10404732 DOI: 10.1016/j.heliyon.2023.e18740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/20/2023] [Accepted: 07/26/2023] [Indexed: 08/10/2023] Open
Abstract
Human cytomegalovirus (HCMV) DNA quantitation in whole blood (WB) by real-time or quantitative polymerase chain reaction (qPCR) is a highly sensitive and reproducible diagnostic procedure for monitoring HCMV DNAemia (DNAemia is the detection of DNA in samples of plasma, whole blood, isolated peripheral blood leukocytes or in buffy-coat specimens) in patients. We provided a comparative analysis of HCMV DNA extraction performance by two different techniques, one performed by an automated extractor and the other by a manual method. We observed that the automated extraction method allowed HCMV DNA detection in the presence of weak viremia while no differences are observed when the viral load is greater. Therefore, automated DNA extraction is a suitable and recommended protocol not only for early detection of HCMV infection but also for more accurate monitoring of HCMV DNAemia during post-therapy follow-up.
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Affiliation(s)
- Gabriella Bianchino
- IRCCS CROB, Centro di Riferimento Oncologico della Basilicata, 85028, Rionero in Vulture (PZ), Italy
| | - Vitina Grieco
- IRCCS CROB, Centro di Riferimento Oncologico della Basilicata, 85028, Rionero in Vulture (PZ), Italy
| | - Giuseppe Pietrantuono
- IRCCS CROB, Centro di Riferimento Oncologico della Basilicata, 85028, Rionero in Vulture (PZ), Italy
| | - Sabino Russi
- IRCCS CROB, Centro di Riferimento Oncologico della Basilicata, 85028, Rionero in Vulture (PZ), Italy
| | - Luigi Del Vecchio
- Biotecnologie Avanzate, CEINGE, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnologies, “Federico II” University of Naples, Italy
| | - Geppino Falco
- Department of Biology, University of Naples Federico II, 80126, Naples, Italy
- Biogem, Istituto di Biologia e Genetica Molecolare, Via Camporeale, 83031, Ariano Irpino (AV), Italy
| | - Tiziana Notarangelo
- IRCCS CROB, Centro di Riferimento Oncologico della Basilicata, 85028, Rionero in Vulture (PZ), Italy
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Nguyen A, Finci L, Berney T, Tonoli D, Lescuyer P, Jayo M, Brossier Pressacco C, van Delden C, Neofytos D. Letermovir for cytomegalovirus primary prophylaxis in a multiple abdominal/small bowel transplant recipient. Clin Transplant 2022; 36:e14624. [PMID: 35235221 DOI: 10.1111/ctr.14624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 02/09/2022] [Accepted: 02/17/2022] [Indexed: 11/27/2022]
Affiliation(s)
- Aude Nguyen
- Service des Maladies Infectieuses, Hôpitaux Universitaires de Genève, Genève, Switzerland
| | - Leon Finci
- Service de Transplantation Chirurgicale, Hôpitaux Universitaires de Genève, Genève, Switzerland
| | - Thierry Berney
- Service de Transplantation Chirurgicale, Hôpitaux Universitaires de Genève, Genève, Switzerland
| | - David Tonoli
- Service de Toxicologie, Hôpitaux Universitaires de Genève, Genève, Switzerland
| | - Pierre Lescuyer
- Service de Toxicologie, Hôpitaux Universitaires de Genève, Genève, Switzerland
| | - Murielle Jayo
- Service de Toxicologie, Hôpitaux Universitaires de Genève, Genève, Switzerland
| | | | - Christian van Delden
- Service des Maladies Infectieuses, Hôpitaux Universitaires de Genève, Genève, Switzerland
| | - Dionysios Neofytos
- Service des Maladies Infectieuses, Hôpitaux Universitaires de Genève, Genève, Switzerland
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Ylinen E, Lehtinen S, Jahnukainen T, Karlsson T, Loginov R, Mannonen L, Lautenschlager I, Jalanko H. Human herpes virus 6 infection in pediatric organ transplant patients. Pediatr Transplant 2017; 21. [PMID: 28213954 DOI: 10.1111/petr.12905] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/19/2017] [Indexed: 01/31/2023]
Abstract
Transplant patients need lifelong immunosuppressive medication, but this reduces their defense mechanisms, making them prone to viral infections and reactivations. We aimed to clarify the prevalence and clinical manifestations of the human herpes virus 6 (HHV-6) infection in children after pediatric solid organ transplants. Clinical findings and viral loads were compared between primary HHV-6 infections and reactivations. The study comprised 47 kidney, 25 liver, and 12 heart transplant patients who underwent surgery from 2009 to 2014. HHV-6 antibodies were analyzed before surgery, and HHV-6 DNAemia tests were regularly carried out after the transplant using a real-time quantitative polymerase chain reaction method. We found the primary HHV-6 infection in 19 of 22 (86%) seronegative patients, and it was more common in patients under 3 years of age (79%) than over 3 (38%, P=.0002). Post-transplant HHV-6 DNAemia affected 48 of 84 (57%) patients and was significantly higher in primary infections than reactivations (P=.001), and 17 of 48 (35%) patients had symptoms when it was detected at a median of 2 weeks post-transplant. The HHV-6 infection was common after solid organ transplants, especially under 3 years of age, and it typically started 2 weeks after surgery. Testing for HHV-6 DNAemia is recommended shortly after transplantation, especially in patients with fever, diarrhea, rash, seizures, or abnormal liver enzyme tests.
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Affiliation(s)
- Elisa Ylinen
- Department of Pediatric Nephrology and Transplantation, Children's Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Silja Lehtinen
- Medical School, University of Helsinki, Helsinki, Finland
| | - Timo Jahnukainen
- Department of Pediatric Nephrology and Transplantation, Children's Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Teemu Karlsson
- Department of Virology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Raisa Loginov
- Department of Virology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Laura Mannonen
- Department of Virology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Irmeli Lautenschlager
- Department of Virology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Hannu Jalanko
- Department of Pediatric Nephrology and Transplantation, Children's Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
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Rouka E, Kyriakou D. Molecular epidemiology of human Herpesviruses types 1-6 and 8 among Greek blood donors. Transfus Med 2015; 25:276-9. [PMID: 25940787 DOI: 10.1111/tme.12202] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2015] [Revised: 04/06/2015] [Accepted: 04/13/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND Human Herpesviruses (HHVs) maintain life-long latent persistence in the majority of the adult population including blood donors. The necessity for their study resides in the potential risk of transfusion-associated infection and the subsequent complications in the immunocompromised host. We aimed to assess the prevalence of HHVs types 1-6 and 8 among healthy blood donors of Thessaly prefecture in order to evaluate the frequency distribution of HHVs in Greek population and to ascertain possible correlations with demographic factors. MATERIALS AND METHODS Polymerase chain reaction (PCR) detection of HHVs DNA was determined in 401 randomly selected consecutive blood donors of Central Greece. Epidemiological data were recorded through a well structured questionnaire. RESULTS The overall PCR positivity for HHVs was 25·4%. HHVs types 1-3 were not detected in any donor sample. A specimen with high level of HHV-6 DNA (1,580,400 copies per mL) was recorded. HHV-4 DNA positivity was significantly associated with rural residency. CONCLUSION HHV-4 DNA is commonly detected in whole blood specimens of healthy individuals. HHVs types 5, 6 and 8 are rarely detected. However, the existence of a donor sample with high HHV-6 viral load raises questions regarding the potential risk of HHV-6 blood-borne infection and the safety of blood products.
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Affiliation(s)
- E Rouka
- Transfusion Medicine Department, University Hospital of Larisa, Larisa, Greece
| | - D Kyriakou
- Transfusion Medicine Department, University Hospital of Larisa, Larisa, Greece
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Lauro A, Arpinati M, Pinna AD. Managing the challenge of PTLD in liver and bowel transplant recipients. Br J Haematol 2014; 169:157-72. [DOI: 10.1111/bjh.13213] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Accepted: 10/01/2014] [Indexed: 12/22/2022]
Affiliation(s)
- Augusto Lauro
- General Surgery and Transplant Unit; Department of Hematology & Oncological Sciences ‘Seragnoli’; Sant'Orsola-Malpighi University Hospital; Bologna Italy
| | - Mario Arpinati
- General Surgery and Transplant Unit; Department of Hematology & Oncological Sciences ‘Seragnoli’; Sant'Orsola-Malpighi University Hospital; Bologna Italy
| | - Antonio D. Pinna
- General Surgery and Transplant Unit; Department of Hematology & Oncological Sciences ‘Seragnoli’; Sant'Orsola-Malpighi University Hospital; Bologna Italy
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Pécora RAA, David AI, Lee AD, Galvão FH, Cruz-Junior RJ, D'Albuquerque LAC. Small bowel transplantation. ABCD-ARQUIVOS BRASILEIROS DE CIRURGIA DIGESTIVA 2014; 26:223-9. [PMID: 24190382 DOI: 10.1590/s0102-67202013000300013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2012] [Accepted: 02/27/2013] [Indexed: 11/22/2022]
Abstract
BACKGROUND Small bowel transplantation evolution, because of its complexity, was slower than other solid organs. Several advances have enabled its clinical application. AIM To review intestinal transplantation evolution and its current status. METHOD Search in MEDLINE and ScIELO literature. The terms used as descriptors were: intestinal failure, intestinal transplantation, small bowel transplantation, multivisceral transplantation. Were analyzed data on historical evolution, centers experience, indications, types of grafts, selection and organ procurement, postoperative management, complications and results. CONCLUSION Despite a slower evolution, intestinal transplantation is currently the standard therapy for patients with intestinal failure and life-threatening parenteral nutrition complications. It involves some modalities: small bowel transplantation, liver-intestinal transplantation, multivisceral transplantation and modified multivisceral transplantation. Currently, survival rate is similar to other solid organs. Most of the patients become free of parenteral nutrition.
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Kourí V, Correa C, Martínez PA, Sanchez L, Alvarez A, González G, Silverio CE, Hondal N, Florin J, Pérez L, Duran DP, Perez Y, Cazorla N, Gonzalez D, Jaime JC, Arencibia A, Sarduy S, Pérez L, Soto Y, González M, Alvarez I, Dorticós E, Marchena JJ, Solar L, Acosta B, Savón C, Hengge U. Prospective, comprehensive, and effective viral monitoring in Cuban children undergoing solid organ transplantation. SPRINGERPLUS 2014; 3:247. [PMID: 24877035 PMCID: PMC4035497 DOI: 10.1186/2193-1801-3-247] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2014] [Accepted: 05/07/2014] [Indexed: 12/30/2022]
Abstract
PURPOSE In Cuba, viral monitoring in the post-transplant period was not routinely performed. The aim of this research is to identify the most frequent viruses that affect transplanted Cuban children, by implementing a viral follow-up during the post-transplant period. METHODS The study population included all Cuban pediatric patients who underwent solid organ transplantation (SOT) between November 2009 and December 2012. A total of 34 transplanted pediatric patients of kidney (n = 11) and liver (n = 23) were prospectively monitored during a 34-week period for viral DNAemia and DNAuria by simultaneous detection of cytomegalovirus (CMV), Epstein-Barr virus, herpes simplex virus type 1 and 2, varicella zoster virus, human herpesvirus 6, human adenovirus, and polyomaviruses (BKV and JCV) using quantitative real-time polymerase chain reaction (qRT-PCR). RESULTS Viral genome of at least one virus was detected in 21 of 34 recipients, 18 patients excreted virus in urine while 12 presented DNAemia. CMV (41.2%) and BKV (35.3%) were the most frequent viruses detected during the follow-up. CMV was the virus mainly associated with clinical symptoms and DNAemia. Its excretion in urine (with cut off value of 219 copies/mL) was associated with detection in plasma (p < 0.001); furthermore, CMV viruria was predictive of CMV viremia (OR:8.4, CI:2.4-29.1, p = 0.001). There was no association between high viral load and clinical complications, due to the prompt initiation of preemptive ganciclovir. CONCLUSION This comprehensive viral monitoring program effectively prevents the development of critical viral disease, thus urge the implementation of qRT-PCR as routine for viral monitoring of transplanted Cuban organ recipients.
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Affiliation(s)
- Vivian Kourí
- Sexually Transmitted Diseases Laboratory, Virology Department, Institute of Tropical Medicine "Pedro Kourí", Havana City, Cuba ; Virology Department, Institute of Tropical Medicine ¨Pedro Kourí¨, Autopista Novia del Mediodia Km 6., La Lisa, Havana City, Cuba
| | - Consuelo Correa
- Sexually Transmitted Diseases Laboratory, Virology Department, Institute of Tropical Medicine "Pedro Kourí", Havana City, Cuba
| | - Pedro A Martínez
- Sexually Transmitted Diseases Laboratory, Virology Department, Institute of Tropical Medicine "Pedro Kourí", Havana City, Cuba
| | - Lizet Sanchez
- Epidemiology and Statistic Department, Institute of Tropical Medicine "Pedro Kourí", Havana City, Cuba
| | - Alina Alvarez
- Sexually Transmitted Diseases Laboratory, Virology Department, Institute of Tropical Medicine "Pedro Kourí", Havana City, Cuba
| | - Grehete González
- Respiratory Viruses Laboratory, Virology Department, Institute of Tropical Medicine "Pedro Kourí", Havana City, Cuba
| | - César E Silverio
- University Pediatric Hospital "William Soler", Havana City, Cuba
| | - Norma Hondal
- University Pediatric Hospital "William Soler", Havana City, Cuba
| | - Jose Florin
- University Pediatric Hospital of "Centro Habana", Havana City, Cuba
| | - Lourdes Pérez
- University Pediatric Hospital of "Centro Habana", Havana City, Cuba
| | - Diana P Duran
- University Pediatric Hospital of "Centro Habana", Havana City, Cuba
| | - Yardelis Perez
- University Pediatric Hospital of "Centro Habana", Havana City, Cuba
| | - Nancy Cazorla
- University Pediatric Hospital of "Centro Habana", Havana City, Cuba
| | | | - Juan C Jaime
- National Institute of Haematology and Immunology, Havana City, Cuba
| | | | - Sandra Sarduy
- National Institute of Haematology and Immunology, Havana City, Cuba
| | - Lissette Pérez
- Sexually Transmitted Diseases Laboratory, Virology Department, Institute of Tropical Medicine "Pedro Kourí", Havana City, Cuba
| | - Yudira Soto
- Sexually Transmitted Diseases Laboratory, Virology Department, Institute of Tropical Medicine "Pedro Kourí", Havana City, Cuba
| | - Mabel González
- University Pediatric Hospital "William Soler", Havana City, Cuba
| | - Iliana Alvarez
- University Pediatric Hospital "William Soler", Havana City, Cuba
| | - Elvira Dorticós
- National Institute of Haematology and Immunology, Havana City, Cuba
| | - Juan J Marchena
- University Pediatric Hospital of "Centro Habana", Havana City, Cuba
| | - Luis Solar
- University Pediatric Hospital of "Centro Habana", Havana City, Cuba
| | - Belsy Acosta
- Respiratory Viruses Laboratory, Virology Department, Institute of Tropical Medicine "Pedro Kourí", Havana City, Cuba
| | - Clara Savón
- Respiratory Viruses Laboratory, Virology Department, Institute of Tropical Medicine "Pedro Kourí", Havana City, Cuba
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Florescu DF, Langnas AN, Sandkovsky U. Opportunistic viral infections in intestinal transplantation. Expert Rev Anti Infect Ther 2014; 11:367-81. [DOI: 10.1586/eri.13.25] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Acute cellular rejection in intra-abdominal solid organ allografts – immunology under the light microscope. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.mpdhp.2012.05.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Lautenschlager I, Razonable RR. Human herpesvirus-6 infections in kidney, liver, lung, and heart transplantation: review. Transpl Int 2012; 25:493-502. [PMID: 22356254 DOI: 10.1111/j.1432-2277.2012.01443.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Human herpesvirus-6 (HHV-6), which comprises of HHV-6A and HHV-6B, is a common infection after solid organ transplantation. The rate of HHV-6 reactivation is high, although clinical disease is not common. Only 1% of transplant recipients will develop clinical illness associated with HHV-6 infection, and most are ascribable to HHV-6B. Fever, myelosuppression, and end-organ disease, including hepatitis and encephalitis, have been reported. HHV-6 has also been associated with various indirect effects, including a higher rate of CMV disease, acute and chronic graft rejection, and opportunistic infection such as invasive fungal disease. All-cause mortality is increased in solid organ transplant recipients with HHV-6 infection. HHV-6 is somewhat unique among human viruses because of its ability to integrate into the host chromosome. The clinical significance of chromosomally integrated HHV-6 is not yet defined, although a higher rate of bacterial infection and allograft rejection has been suggested. The diagnosis of HHV-6 is now commonly made using nucleic acid testing for HHV-6 DNA in clinical samples, but this can be difficult to interpret owing to the common nature of asymptomatic viral reactivation. Treatment of HHV-6 is indicated in established end-organ disease such as encephalitis. Foscarnet, ganciclovir, and cidofovir have been used for treatment.
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Affiliation(s)
- Irmeli Lautenschlager
- Department of Virology, Helsinki University Hospital, and Helsinki University, Helsinki, Finland.
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Lemonovich TL, Watkins RR. Update on cytomegalovirus infections of the gastrointestinal system in solid organ transplant recipients. Curr Infect Dis Rep 2012; 14:33-40. [PMID: 22125047 DOI: 10.1007/s11908-011-0224-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Cytomegalovirus (CMV) infection of the gastrointestinal tract is the most common manifestation of tissue-invasive CMV disease, and is a significant cause of morbidity and mortality in the solid organ transplantation (SOT) recipient. In addition to the direct effects of the infection, its indirect effects on allograft function, risk for other opportunistic infections, and mortality are significant in this population. The most common clinical syndromes are esophagitis, colitis, and hepatitis; however, infection can occur anywhere in the gastrointestinal tract. Diagnosis is usually by histopathology or viral culture of tissue specimens; molecular assays also often have a role. Antivirals are the cornerstone of therapy for gastrointestinal tract CMV disease and complications such as recurrent infection and antiviral resistance are not uncommon. Prevention with antiviral prophylaxis or preemptive therapy is important. This review summarizes recent data regarding the clinical manifestations, diagnosis, treatment, and prevention of gastrointestinal tract CMV infection in the SOT population.
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Affiliation(s)
- Tracy L Lemonovich
- Division of Infectious Disease and HIV Medicine, University Hospitals Case Medical Center, Case Western Reserve University, 11100 Euclid Ave., Cleveland, OH, 44106, USA,
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Sipponen T, Turunen U, Lautenschlager I, Nieminen U, Arola J, Halme L. Human herpesvirus 6 and cytomegalovirus in ileocolonic mucosa in inflammatory bowel disease. Scand J Gastroenterol 2011; 46:1324-33. [PMID: 21879802 DOI: 10.3109/00365521.2011.605466] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVES Reactivation of a latent cytomegalovirus (CMV) may occur in inflammatory bowel disease (IBD). Data of human herpesvirus 6 (HHV-6)--a close relative to CMV--in active IBD are scarce. The aim of this study was to detect HHV-6 and CMV antigens in the mucosa of active and inactive IBD. MATERIAL AND METHODS 79 IBD patients (47 ulcerative colitis (UC) and 32 Crohn's disease (CD)) were recruited and endoscopic and histological disease activity was scored. Control group consisted of 15 non-IBD patients with normal colonoscopy. Immunohistochemical stainings for HHV-6B and CMV antigens were performed on biopsy specimens from the ileum and colorectum. The intensity of HHV-6B and CMV expression was graded as negative, mild, moderate, or intense. RESULTS HHV-6B antigen was positive in 35 (44%) and CMV in 64 (81%). Of controls, 6 (40%) were mildly positive for HHV-6 and 6 (40%) for CMV. In IBD, both CMV and HHV-6B intensity correlated with endoscopic disease severity (CMV p = 0.010 and HHV-6 p = 0.048). Simultaneous HHV-6B and CMV antigen expression occurred in 29 (37%) and associated with endoscopic activity (p = 0.006) and to a number of immunosuppressives (p = 0.033). A significant difference in HHV-6B positivity was found between endoscopically active and inactive UC (p = 0.040). Both CMV and HHV-6B intensity correlated with histological severity in the rectal biopsy specimens (for CMV p = 0.040 and for HHV-6B p = 0.027). CONCLUSIONS Both viruses occurred ubiquitously in the IBD mucosa. Coexistence of viruses was common and associated with disease activity and use of immunosuppressives. HHV-6B intensity correlated with endoscopic severity in UC.
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Affiliation(s)
- Taina Sipponen
- Department of Medicine, Division of Gastroenterology, Helsinki University Central Hospital, Helsinki, Finland.
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