{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,18]],"date-time":"2026-06-18T13:24:45Z","timestamp":1781789085595,"version":"3.54.5"},"reference-count":52,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2021,11,8]],"date-time":"2021-11-08T00:00:00Z","timestamp":1636329600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Transbounding Emerging Dis"],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Atypical porcine pestivirus (APPV) belongs to the genus <jats:italic>Pestivirus<\/jats:italic> within the family <jats:italic>Flaviviridae<\/jats:italic>. Recently, APPV has been identified as the causative agent of congenital tremor (CT) type AII. The disease is a neurological disorder that affects newborn piglets and is characterized by generalized trembling of the animals and often splay legs. CT is well known worldwide, and the virus seems to be highly prevalent in major swine producing areas. However, little is known about the epidemiology of the infection, transmission and spread of the virus between herds. Here, we show the high prevalence of APPV in processing fluid samples collected from Hungarian pig herds which led us to investigate the cellular targets of the virus in the testicles of newborn piglets affected by CT. By the development of an RNA in situ hybridization assay and the use of immunohistochemistry on consecutive slides, we identified the target cells of APPV in the testicle: interstitial Leydig cells, peritubular myoid cells and smooth muscle cells of medium\u2010sized arteries. Previous studies have shown that APPV can be found in the semen of sexually mature boars suggesting the role of infected boars and their semen in the transmission of the virus similar to many other members of the <jats:italic>Flaviviridae<\/jats:italic> family. As in our case, the virus has not been identified in cells beyond the Sertoli cell barrier, further studies on infected adult boars\u2019 testicles and other reproductive glands are needed to analyze the possible changes in the cell tropism of APPV that might contribute to its prolonged extraction by the semen beyond the period of viraemia.<\/jats:p>","DOI":"10.1111\/tbed.14355","type":"journal-article","created":{"date-parts":[[2021,10,27]],"date-time":"2021-10-27T13:01:30Z","timestamp":1635339690000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Detection and localization of atypical porcine pestivirus in the testicles of naturally infected, congenital tremor affected piglets"],"prefix":"10.1155","volume":"69","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0069-4914","authenticated-orcid":false,"given":"Lilla","family":"D\u00e9nes","sequence":"first","affiliation":[{"name":"Department of Pathology University of Veterinary Medicine  Budapest Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"In\u00e9s","family":"Ruedas\u2010Torres","sequence":"additional","affiliation":[{"name":"Department of Anatomy and Comparative Pathology and Toxicology Faculty of Veterinary Medicine University of C\u00f3rdoba  C\u00f3rdoba Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1634-6730","authenticated-orcid":false,"given":"Anna","family":"Szilasi","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Veterinary Medicine  Budapest Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2742-173X","authenticated-orcid":false,"given":"Gyula","family":"Balka","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Veterinary Medicine  Budapest Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,11,8]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0150104"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2009.12.014"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/tbed.12532"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0166863"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1186\/s13028\u2010014\u20100082\u2010y"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1177\/10406387211022683"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/tbed.12854"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1099\/0022\u20101317\u201083\u201011\u20102717"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.3390\/v12080903"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.3390\/v8100271"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1128\/mmbr.65.2.208\u2010231.2001"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/tbed.12981"},{"key":"e_1_2_9_14_1","first-page":"429","article-title":"First report of atypical porcine pestivirus in piglets with congenital tremor in Canada","volume":"59","author":"Dessureault F.","year":"2018","journal-title":"Canadian Veterinary Journal."},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/0007\u20101935(86)90090\u20104"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1128\/mBio.01933\u201014"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1111\/tbed.12759"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1111\/tbed.12824"},{"key":"e_1_2_9_19_1","first-page":"338","article-title":"Experimental transmission of congenital tremors in swine","author":"Gustafson D. 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