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  • Title: In situ hybridization studies of adenoviral infections of the lung and their relationship to follicular bronchiectasis.
    Author: Hogg JC, Irving WL, Porter H, Evans M, Dunnill MS, Fleming K.
    Journal: Am Rev Respir Dis; 1989 Jun; 139(6):1531-5. PubMed ID: 2543250.
    Abstract:
    We have used a probe against the adenovirus genome to study cultured epithelial cells specifically infected with various types of adenovirus and Graham 293 cells, which contain few copy numbers of a fraction of the adenovirus genome. We have also examined lung tissue obtained from three cases of acute adenovirus pneumonia, two cases of adenovirus pneumonia that had passed through the acute phase, and nine cases of follicular bronchiectasis. Our purpose was to determine whether the probe was effective in detecting a wide variety of adenovirus types, to determine whether it could detect adenovirus in lung tissue that had been fixed and stored in paraffin blocks for several years, and to test the hypothesis that adenovirus was an important cause of follicular bronchiectasis. The results show that the probe was able to detect adenovirus from Genera B1, B2, C, D, and E with a sensitivity of 5 to 10 copies/cell. The probe also detected adenovirus in 14 of 14 slides from three cases of acute disease, but failed to obtain a positive result in the cases examined after an acute infection or in any of the cases of follicular bronchiectasis. We conclude that the in situ hybridization technique is useful in the investigation of active adenovirus infection of the lung. The failure to show that the virus persisted in the chronic respiratory disease that follows adenovirus infection, or that it was present in cases of follicular bronchiectasis could be due to either a true absence, or to its presence in a latent form that is below the level of sensitivity of this technique.
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