{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,28]],"date-time":"2026-03-28T05:46:15Z","timestamp":1774676775582,"version":"3.50.1"},"reference-count":33,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2008,6,28]],"date-time":"2008-06-28T00:00:00Z","timestamp":1214611200000},"content-version":"vor","delay-in-days":9797,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neuropathology Appl Neurobio"],"published-print":{"date-parts":[[1981,9]]},"abstract":"<jats:p>Swarz J.R., Brooks B.R. &amp; Johnson R.T. (1981) <jats:italic>Neuropathology and Applied Neurobiology<\/jats:italic> 7, 365\u2013380<\/jats:p><jats:p>Spongiform polioencephalomyelopathy caused by a murine retrovirus. II. Ultrastructural localization of virus replication and spongiform changes in the central nervous system<\/jats:p><jats:p>The development of murine retrovirus induced spongiform polioencephalomyelopathy was studied sequentially by electron microscopy. During the initial 30 days, viral infection of the central nervous system, as evidenced by viral budding from membranes, was limited to endothelial cells and pericytes. Viral particles were observed in the lumen of blood vessels, extracellular spaces and astrocytic endfeet surrounding blood vessels, but no morphological evidence of productive infection was found in astrocytes or neurons during early development of vacuolation. The earliest lesions in the neuropil consisted of swelling of astroglia followed by vacuolation, initially in axons and dendrites and later in neuronal and astrocytic soma, where vacuoles appeared to arise from dilated cisternae of the Golgi apparatus. Vacuoles contained only amorphous debris and fragments of membranes. Virions budding aberrantly into vacuoles were seen only in mice surviving beyond 35 days. Numerous reactive astrocytes were observed, but inflammatory cells were absent. The ultrastructural changes were remarkably similar to those described in scrapie, Kuru, and Creutzfeldt\u2010Jakob disease.<\/jats:p>","DOI":"10.1111\/j.1365-2990.1981.tb00239.x","type":"journal-article","created":{"date-parts":[[2008,5,12]],"date-time":"2008-05-12T10:11:41Z","timestamp":1210587101000},"page":"365-380","source":"Crossref","is-referenced-by-count":47,"title":["SPONGIFORM POLIOENCEPHALOMYELOPATHY CAUSED BY A MURINE RETROVIRUS. II. ULTRASTRUCTURAL LOCALIZATION OF VIRUS REPLICATION AND SPONGIFORM CHANGES IN THE CENTRAL NERVOUS SYSTEM"],"prefix":"10.1111","volume":"7","author":[{"given":"J. R.","family":"SWARZ","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B. R.","family":"BROOKS","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. T.","family":"JOHNSON","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2008,6,28]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00692148"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/00005072-197404000-00007"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/jcp.1040870106"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/ana.410040303"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.171.3969.389"},{"key":"e_1_2_1_7_1","first-page":"480","article-title":"Spongiform polioencephalomyelopathy caused by a murine retrovirus: I. 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