Quantitative temporal and spatial distribution of adenovirus type 2 correlates with disease manifestations and organ failure during disseminated infection
(Copyright) 2007 Wiley-Liss, Inc..
Disseminated adenovirus (HAdV) infections are serious complications in allogenic stem cell transplant (SCT) recipients. Quantitative HAdV DNA detection in blood samples demonstrated the association of high virus loads with disease and improved early diagnosis. However, the pathogenesis of disseminated HAdV disease, for example sources of HAdV DNA shedding in the blood stream and association of HAdV replication sites with disease manifestations, remained obscure. In this report, 24 bioptic and autoptic organ and tissue samples of an adult SCT recipient suffering from disseminated infection were quantitatively analyzed for HAdV DNA. Results indicate subsequent virus replication in the colon, bone marrow and liver as origin of HAdV DNAemia, which increased from 1.4 x 10(4) copies/ml to a peak of 2 x 10(9) copies/ml over a period of 84 days in spite of antiviral therapy. Symptoms as diarrhoea, bone marrow failure and hepatic failure were clearly linked to high HAdV DNA concentrations in affected organs. For example, the HAdV DNA level was 2.2 x 10(3) copies/cell in a colon biopsy when the patient suffered from diarrhoea whereas only 1.1 x 10(1) copies/cell were detected when symptoms had improved. Focal HAdV infection of the liver as demonstrated by laser microdissection was followed by fulminant virus replication with 1.3 x 10(5) copies of HAdV DNA/cell causing terminal hepatic failure. In conclusion, pathogenesis of disseminated HAdV disease was associated with virus replication in affected organs and not immune mediated as suggested recently by a fatal case of gene therapy with a non-replication competent HAdV-C5 vector.
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2008 |
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| Erschienen: |
2008 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:80 |
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| Enthalten in: |
Journal of medical virology - 80(2008), 2 vom: Feb., Seite 294-7 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Forstmeyer, Dirk [VerfasserIn] |
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| Themen: |
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| Anmerkungen: |
Date Completed 14.02.2008 Date Revised 26.12.2007 published: Print Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM175921474 |
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| 245 | 1 | 0 | |a Quantitative temporal and spatial distribution of adenovirus type 2 correlates with disease manifestations and organ failure during disseminated infection |
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| 520 | |a (Copyright) 2007 Wiley-Liss, Inc. | ||
| 520 | |a Disseminated adenovirus (HAdV) infections are serious complications in allogenic stem cell transplant (SCT) recipients. Quantitative HAdV DNA detection in blood samples demonstrated the association of high virus loads with disease and improved early diagnosis. However, the pathogenesis of disseminated HAdV disease, for example sources of HAdV DNA shedding in the blood stream and association of HAdV replication sites with disease manifestations, remained obscure. In this report, 24 bioptic and autoptic organ and tissue samples of an adult SCT recipient suffering from disseminated infection were quantitatively analyzed for HAdV DNA. Results indicate subsequent virus replication in the colon, bone marrow and liver as origin of HAdV DNAemia, which increased from 1.4 x 10(4) copies/ml to a peak of 2 x 10(9) copies/ml over a period of 84 days in spite of antiviral therapy. Symptoms as diarrhoea, bone marrow failure and hepatic failure were clearly linked to high HAdV DNA concentrations in affected organs. For example, the HAdV DNA level was 2.2 x 10(3) copies/cell in a colon biopsy when the patient suffered from diarrhoea whereas only 1.1 x 10(1) copies/cell were detected when symptoms had improved. Focal HAdV infection of the liver as demonstrated by laser microdissection was followed by fulminant virus replication with 1.3 x 10(5) copies of HAdV DNA/cell causing terminal hepatic failure. In conclusion, pathogenesis of disseminated HAdV disease was associated with virus replication in affected organs and not immune mediated as suggested recently by a fatal case of gene therapy with a non-replication competent HAdV-C5 vector | ||
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