{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T23:24:49Z","timestamp":1792797889975,"version":"4.5.0"},"reference-count":46,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,1,30]],"date-time":"2019-01-30T00:00:00Z","timestamp":1548806400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Theodor Bilharz Research Institute","award":["100"],"award-info":[{"award-number":["100"]}],"id":[{"id":"https:\/\/ror.org\/04d4dr544","id-type":"ROR","asserted-by":"crossref"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["APMIS"],"published-print":{"date-parts":[[2019,2]]},"abstract":"<jats:p>This study aims to assess the value of carbamoyl phosphate synthetase 1 (CPS1), as a non\u2010invasive serum marker, for the evolution of chronic HCV infection and hepatic fibrosis. Seventy\u2010two patients with HCV positive serum RNA and 15 health volunteers were enrolled in this study. Out of 72 patients, 10 patients had decompensated liver with ascites. Quantitative analysis of CPS1 was performed in the harvested sera and corresponding liver biopsies using ELISA and immunohistochemistry techniques respectively. Also, mitochondrial count using electron microscopy, urea analysis and conventional liver tests were done. Patients were grouped into (F1\u00a0+\u00a0F2) and (F3\u00a0+\u00a0F4) representing stages of moderate and severe fibrosis respectively. Tissue and serum CPS1 (s.CPS1) correlated significantly in moderate and severe fibrosis. Patients with severe fibrosis showed significantly higher levels of s.CPS1 (p\u2010value\u00a0\u2264\u00a00.05) and significantly lower mitochondrial counts (p\u2010value\u00a0=\u00a00.0065) than those with moderate fibrosis. S.urea positively correlated with s.CPS1 only in the decompensated group, at which s.urea reached maximal levels. In conclusion, s.CPS1 is a potential non\u2010invasive marker for the assessment of severity and progression of HCV in relation to mitochondrial dysfunction. Also, increased s.urea with the progression of the disease is mainly due to a concurrent renal malfunction, which needs further investigation.<\/jats:p>","DOI":"10.1111\/apm.12917","type":"journal-article","created":{"date-parts":[[2019,1,30]],"date-time":"2019-01-30T07:09:05Z","timestamp":1548832145000},"page":"93-105","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Carbamoyl phosphate synthetase 1 (CPS1) as a prognostic marker in chronic hepatitis C infection"],"prefix":"10.1111","volume":"127","author":[{"given":"Ranya M.","family":"El\u2010Sheikh","sequence":"first","affiliation":[{"name":"Electron Microscopy Research Department (Pathology) Theodor Bilharz Research Institute Giza Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Soheir S.","family":"Mansy","sequence":"additional","affiliation":[{"name":"Electron Microscopy Research Department (Pathology) Theodor Bilharz Research Institute 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