| Soluble CD163, a marker of Kupffer cell activation, is related to portal hypertension in patients with liver cirrhosis. | |
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MedLine Citation:
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PMID: 22591184 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Activation of Kupffer cells may be involved in the pathogenesis of portal hypertension by release of vasoconstrictive substances and fibrosis due to co-activation of hepatic stellate cells. AIM: To study soluble plasma (s) CD163, a specific marker of activated macrophages, as a biomarker for portal hypertension in patients with liver cirrhosis. METHODS: We measured sCD163 concentration and the hepatic venous pressure gradient (HVPG) by liver vein catheterisation in 81 cirrhosis patients (Child-Pugh CP-A: n = 26, CP-B: n = 29, CP-C: n = 26) and 22 healthy subjects. We also measured their cardiac output (CO), cardiac index and systemic vascular resistance (SVR). Liver status was examined by Child-Pugh and MELD-score. RESULTS: In cirrhosis, sCD163 concentration was nearly three times higher than in controls (4.7 ± 2.5 vs. 1.6 ± 0.5 mg/L, P < 0.001). sCD163 was also higher, as measured in steps by CP-score (P < 0.001). The HVPG rose steeply to an asymptote of 22 mmHg with sCD163 up to about 5 mg/L and not to higher values with higher sCD163. In a multivariate analysis, sCD163 was the only independent predictor of the HVPG but did not predict any of the systemic circulatory findings. sCD163 > 3.95 mg/L (upper normal limit) predicted HVPG ≥ 10 mmHg with a positive predictive value of 0.99. CONCLUSIONS: Circulating sCD163 originating from activated Kupffer cells is increased in cirrhosis with increasing Child-Pugh score and with increasing HVPG, and it is an independent predictor for HVPG. These findings support a primary role of macrophage activation in portal hypertension, and may indicate a target for biological intervention. |
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Authors:
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H Grønbaek; T D Sandahl; C Mortensen; H Vilstrup; H J Møller; S Møller |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-5-16 |
Journal Detail:
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Title: Alimentary pharmacology & therapeutics Volume: - ISSN: 1365-2036 ISO Abbreviation: - Publication Date: 2012 May |
Date Detail:
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Created Date: 2012-5-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8707234 Medline TA: Aliment Pharmacol Ther Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 Blackwell Publishing Ltd. |
Affiliation:
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Department of Medicine V, Aarhus University Hospital, Aarhus, Denmark. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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