{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T21:49:17Z","timestamp":1777931357168,"version":"3.51.4"},"reference-count":23,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2000,11,1]],"date-time":"2000-11-01T00:00:00Z","timestamp":973036800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J VET Diagn Invest"],"published-print":{"date-parts":[[2000,11]]},"abstract":"<jats:p>Virus isolation, reverse transcription-polymerase chain reaction (RT-PCR), immunohistochemistry, and in situ hybridization methods were compared for the detection of porcine reproductive and respiratory syndrome virus (PRRSV). Seven aborted fetuses and 6 stillborn piglets naturally infected with PRRSV were used in the study. Viral antigen and viral nucleic acid were detected in macrophages and dendritic cells in the spleen, tonsil, lymph nodes, and thymus; in macrophages of liver, heart, and lung; and in endothelial cells and myocytes of the heart. Viral antigen and viral nucleic acid were most consistently detected in the spleen. Of the 13 samples, 6 were positive for PRRSV by all 4 techniques. Four (31%) samples were positive for PRRSV by RT-PCR, in situ hybridization, and virus isolation. Two (15%) samples were positive for PRRSV by virus isolation, RT-PCR, and in situ hybridization. One (8%) was positive for PRRSV by virus isolation and RT-PCR. The RT-PCR identified the presence of PRRSV more frequently than the other methods. However, when only formalin-fixed tissues are submitted, immunohistochemistry and in situ hybridization would be useful methods for the detection of PRRSV antigen and nucleic acid.<\/jats:p>","DOI":"10.1177\/104063870001200619","type":"journal-article","created":{"date-parts":[[2011,5,12]],"date-time":"2011-05-12T16:20:37Z","timestamp":1305217237000},"page":"582-587","source":"Crossref","is-referenced-by-count":49,"title":["Comparison of Virus Isolation, Reverse Transcription-Polymerase Chain Reaction, Immunohistochemistry, and in Situ Hybridization for the Detection of Porcine Reproductive and Respiratory Syndrome Virus from Naturally Aborted Fetuses and Stillborn Piglets"],"prefix":"10.1177","volume":"12","author":[{"given":"Doo-Sung","family":"Cheon","sequence":"first","affiliation":[{"name":"Department of Veterinary Pathology, College of Veterinary Medicine and School of Agricultural Biotechnology, Seoul National University, Suwon, Kyounggi-Do, Republic of 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