{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T21:37:36Z","timestamp":1777930656200,"version":"3.51.4"},"reference-count":27,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2016,7,19]],"date-time":"2016-07-19T00:00:00Z","timestamp":1468886400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J VET Diagn Invest"],"published-print":{"date-parts":[[2016,9]]},"abstract":"<jats:p>We evaluated the extent of hepatic fibrosis in chronic liver disease of dogs using a modification of Ishak\u2019s staging criteria for human chronic liver disease, and examined the association of stage of fibrosis with immunophenotypic markers of transdifferentiation of hepatic sinusoidal endothelial cells and hepatic stellate cells. Formalin-fixed, paraffin-embedded, hematoxylin and eosin\u2013stained liver biopsy specimens from 45 case dogs with chronic liver disease and 55 healthy control dogs were scored for the presence and extent of fibrosis. This stage score for fibrosis strongly correlated with upregulated von Willebrand factor (vWF) expression in lobular sinusoidal endothelial cells (Spearman correlation coefficient [SCC] = 0.57, p &lt; 0.05). Immunoreactivity for vWF factor was identified in 68.9% of case biopsies, varying in distribution from periportal to diffuse, whereas vWF immunoreactivity was identified in only 14.5% of control specimens, and was restricted to the immediate periportal sinusoids. The majority of both case and control biopsies exhibited similar prominent lobular perisinusoidal expression of alpha\u2013smooth muscle actin (\u03b1-SMA). A minority of specimens (17.8% of case biopsies, 1.8% of control biopsies) exhibited low perisinoidal \u03b1-SMA expression, and there was a weak negative correlation between \u03b1-SMA expression and stage of fibrosis (SCC = \u22120.29, p = 0.0037). These results document a method for staging the severity of fibrosis in canine liver biopsies, and show a strong association between fibrosis and increased expression of vWF in hepatic sinusoidal endothelial cells.<\/jats:p>","DOI":"10.1177\/1040638716658499","type":"journal-article","created":{"date-parts":[[2016,7,16]],"date-time":"2016-07-16T20:17:52Z","timestamp":1468700272000},"page":"498-505","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["Sinusoidal endothelial cell and hepatic stellate cell phenotype correlates with stage of fibrosis in chronic liver disease in dogs"],"prefix":"10.1177","volume":"28","author":[{"given":"Andrew R.","family":"Vince","sequence":"first","affiliation":[{"name":"Animal Health Laboratory, Laboratory Services Division (Vince, Stalker), University of Guelph, Guelph, Ontario, Canada"},{"name":"Department of Pathobiology, Ontario Veterinary College (Hayes, Jefferson), University of Guelph, Guelph, Ontario, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. Anthony","family":"Hayes","sequence":"additional","affiliation":[{"name":"Animal Health Laboratory, Laboratory Services Division (Vince, Stalker), University of Guelph, Guelph, Ontario, Canada"},{"name":"Department of Pathobiology, Ontario Veterinary College (Hayes, Jefferson), University of Guelph, Guelph, Ontario, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Barbara J.","family":"Jefferson","sequence":"additional","affiliation":[{"name":"Animal Health Laboratory, Laboratory Services Division (Vince, Stalker), University of Guelph, Guelph, Ontario, Canada"},{"name":"Department of Pathobiology, Ontario Veterinary College (Hayes, Jefferson), University of Guelph, Guelph, Ontario, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Margaret J.","family":"Stalker","sequence":"additional","affiliation":[{"name":"Animal Health Laboratory, Laboratory Services Division (Vince, Stalker), University of Guelph, Guelph, Ontario, Canada"},{"name":"Department of Pathobiology, Ontario Veterinary College (Hayes, Jefferson), University of Guelph, Guelph, Ontario, 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