{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T00:06:58Z","timestamp":1788307618802,"version":"build-2803163510"},"reference-count":44,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2016,5,26]],"date-time":"2016-05-26T00:00:00Z","timestamp":1464220800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"MSD Animal Health"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Clinical Pathol"],"published-print":{"date-parts":[[2016,6]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Serum cystatin C (sCysC) is used as biomarker for glomerular filtration rate (<jats:styled-content style=\"fixed-case\">GFR<\/jats:styled-content>). The effects of diabetes mellitus (<jats:styled-content style=\"fixed-case\">DM<\/jats:styled-content>) on renal function in dogs are unclear. Some renal variables have been evaluated in dogs with hyperadrenocorticism (<jats:styled-content style=\"fixed-case\">HAC<\/jats:styled-content>), but not<jats:styled-content style=\"fixed-case\">sC<\/jats:styled-content>ysC.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objectives<\/jats:title><jats:p>The purpose of this study was the validation of a particle\u2010enhanced nephelometric immunoassay (<jats:styled-content style=\"fixed-case\">PENIA<\/jats:styled-content>) for measuring canine<jats:styled-content style=\"fixed-case\">sC<\/jats:styled-content>ysC, and to assess renal function in dogs with<jats:styled-content style=\"fixed-case\">DM<\/jats:styled-content>or<jats:styled-content style=\"fixed-case\">HAC<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A<jats:styled-content style=\"fixed-case\">PENIA<\/jats:styled-content>was analytically validated for canine<jats:styled-content style=\"fixed-case\">sC<\/jats:styled-content>ysC by determining imprecision and linearity. In a longitudinal 6\u2010month study, renal function of 14<jats:styled-content style=\"fixed-case\">DM<\/jats:styled-content>dogs was assessed, using serum creatinine,<jats:styled-content style=\"fixed-case\">GFR<\/jats:styled-content>, urinary protein\u2010to\u2010creatinine (<jats:styled-content style=\"fixed-case\">UPC<\/jats:styled-content>) ratio, urinary markers, systolic blood pressure (<jats:styled-content style=\"fixed-case\">SBP<\/jats:styled-content>), and<jats:styled-content style=\"fixed-case\">sC<\/jats:styled-content>ysC, and compared to 17 healthy dogs at baseline. Furthermore,<jats:styled-content style=\"fixed-case\">sC<\/jats:styled-content>ysC was measured at initial presentation and during a 12\u2010month follow\u2010up in 22<jats:styled-content style=\"fixed-case\">HAC<\/jats:styled-content>dogs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The<jats:styled-content style=\"fixed-case\">sC<\/jats:styled-content>ysC intra\u2010 and inter\u2010assay variation coefficients were &lt; 8% and highly linear (<jats:italic>r<\/jats:italic>= .997). About 33% and 67% of<jats:styled-content style=\"fixed-case\">DM<\/jats:styled-content>dogs had persistent proteinuria and systemic hypertension, respectively, but there were no significant differences in<jats:styled-content style=\"fixed-case\">GFR<\/jats:styled-content>,<jats:styled-content style=\"fixed-case\">UPC<\/jats:styled-content>, and urinary markers over time, and compared with healthy dogs at initial presentation. Serum CysC decreased significantly (<jats:italic>P<\/jats:italic>&lt; .05) over time within the<jats:styled-content style=\"fixed-case\">DM<\/jats:styled-content>group. It did not change significantly over time within the<jats:styled-content style=\"fixed-case\">HAC<\/jats:styled-content>group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>A PENIA measured<jats:styled-content style=\"fixed-case\">sC<\/jats:styled-content>ysC linearly and precisely. There were no clinically relevant renal alterations over time in dogs with<jats:styled-content style=\"fixed-case\">DM<\/jats:styled-content>, although persistent proteinuria was observed. In dogs with<jats:styled-content style=\"fixed-case\">HAC<\/jats:styled-content>,<jats:styled-content style=\"fixed-case\">sC<\/jats:styled-content>ysC measurement was not useful, although significant<jats:styled-content style=\"fixed-case\">GFR<\/jats:styled-content>changes occurred over time.<\/jats:p><\/jats:sec>","DOI":"10.1111\/vcp.12365","type":"journal-article","created":{"date-parts":[[2016,5,26]],"date-time":"2016-05-26T16:52:44Z","timestamp":1464281564000},"page":"320-329","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Long\u2010term follow\u2010up of renal function assessing serum cystatin C in dogs with diabetes mellitus or hyperadrenocorticism"],"prefix":"10.1111","volume":"45","author":[{"given":"Sofie J. 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