{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,4]],"date-time":"2025-11-04T11:05:04Z","timestamp":1762254304195,"version":"build-2065373602"},"reference-count":31,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2022,11,20]],"date-time":"2022-11-20T00:00:00Z","timestamp":1668902400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["32273050","31672597","KM202010020008","6202003"],"award-info":[{"award-number":["32273050","31672597","KM202010020008","6202003"]}]},{"name":"Scientific Research Projects of Beijing Municipal Education Commission","award":["32273050","31672597","KM202010020008","6202003"],"award-info":[{"award-number":["32273050","31672597","KM202010020008","6202003"]}]},{"name":"Beijing Municipal Natural Science Foundation","award":["32273050","31672597","KM202010020008","6202003"],"award-info":[{"award-number":["32273050","31672597","KM202010020008","6202003"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Viruses"],"abstract":"<jats:p>Previously, our study has demonstrated that porcine pulmonary microvascular endothelial cells (PPMVECs) were susceptible to highly pathogenic porcine reproductive and respiratory syndrome virus (HP-PRRSV) and produced a significant non-specific immune response to it. The significance of microvascular endothelial glycocalyx is increasingly attracting attention, and its rich carbohydrate components are not only important signaling molecules, but also remarkably influence the signaling of most proteins. Comprehending changes in the carbohydrate chains contributes to understanding cell functions. This study aimed to reveal the effects of HP-PRRSV infection on the surface carbohydrate chains of PPMVECs. PPMVECs were isolated and cultured in vitro and infected with HP-PRRSV HN and JXA1 strains. Scanning electron microscopy analysis indicated that at 48 h post-infection, some broken holes were in their cell membranes, and that the surface fibrous glycocalyx was obviously reduced or even disappeared. Lectin microarray analysis indicated that the fluorescence intensities of 8 and 7 lectin sites were significantly changed by the HP-PRRSV HN and JXA1 strains, respectively, among which there were 6 common lectin sites. The up-regulation of common lectins (RCA-I, LEL, and STL) and the down-regulation of common lectins (LCA, DSA, and PHA-E) were confirmed by lectin fluorescence staining and lectin flow cytometry, respectively. Together, the results show that the HP-PRRSV infection can induce the glycocalyx disruption of PPMVECs and their surface glycoprofiling changes, and that the poly-N-acetyllactosamine and complex N-glycan are the main up-regulated and down-regulated carbohydrate chains, respectively. Our findings may provide insights into revealing the pathogenesis of HP-PRRSV from the perspective of glycobiology.<\/jats:p>","DOI":"10.3390\/v14112569","type":"journal-article","created":{"date-parts":[[2022,11,21]],"date-time":"2022-11-21T03:11:21Z","timestamp":1669000281000},"page":"2569","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Effects of Highly Pathogenic Porcine Reproductive and Respiratory Syndrome Virus Infection on the Surface Glycoprofiling of Porcine Pulmonary Microvascular Endothelial Cells"],"prefix":"10.3390","volume":"14","author":[{"given":"Xiaoxiao","family":"Song","sequence":"first","affiliation":[{"name":"Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanmei","family":"Wu","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xianping","family":"Wu","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ge","family":"Hu","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2631-158X","authenticated-orcid":false,"given":"Tao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,11,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1007\/s12026-014-8549-5","article-title":"Porcine reproductive and respiratory syndrome (PRRS): An immune dysregulatory pandemic","volume":"59","author":"Butler","year":"2014","journal-title":"Immunol. 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