Detection of classical swine fever virus in the ovaries of experimentally infected sows
- Authors
- Choi, C; Chae, C
- Issue Date
- Jan-2003
- Publisher
- ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD
- Citation
- JOURNAL OF COMPARATIVE PATHOLOGY, v.128, no.1, pp 60 - 66
- Pages
- 7
- Journal Title
- JOURNAL OF COMPARATIVE PATHOLOGY
- Volume
- 128
- Number
- 1
- Start Page
- 60
- End Page
- 66
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/68753
- DOI
- 10.1053/jcpa.2002.0607
- ISSN
- 0021-9975
1532-3129
- Abstract
- Six sows were infected intranasally with a Korean isolate of classical swine fever virus (CSFV). The distribution of virus in ovarian tissues was then assessed for 21 days by in-situ hybridization and immunohistochemistry. CSFV was detected in the ovaries between 7 and 21 days post-inoculation (dpi) by both methods, but the labelling was particularly intense and widespread at 7 dpi. CSFV nucleic acid an antigen were located almost exclusively within the cytoplasm of cells shown by haematoxylin and eosin staining to be macrophages, which were numerous in atretic follicles. Small numbers of CSFV nucleic acid positive cells with distinctly round morphology and oval nuclei, resembling monocytes, were also observed in the blood vessels of sows at 7 and 14 dpi. CSFV nucleic acid and antigen were not observed in primordial, primary or secondary follicles from infected sows at 7, 14 or 21 dpi. The results suggest that CSFV replicates in circulating peripheral monocytes and gains access to ovarian tissues from the bloodstream, and that this contributes to the distribution of CSFV in macrophages throughout the atretic follicles. (C) 2002 Elsevier Science Ltd, All rights reserved.
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