Antifibrotic Effects of CXCL9 and Its Receptor CXCR3 in Livers of Mice and Humans

Background & Aims Fibrosis is the hallmark of chronic liver diseases, yet many aspects of its mechanism remain to be defined. Chemokines are ubiquitous chemotactic molecules that mediate many acute and chronic inflammatory conditions, and CXC chemokine genes colocalize with a locus previously sh...

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Veröffentlicht in:Gastroenterology (New York, N.Y. 1943) N.Y. 1943), 2009-07, Vol.137 (1), p.309-319.e3
Hauptverfasser: Wasmuth, Hermann E, Lammert, Frank, Zaldivar, Mirko Moreno, Weiskirchen, Ralf, Hellerbrand, Claus, Scholten, David, Berres, Marie-Luise, Zimmermann, Henning, Streetz, Konrad L, Tacke, Frank, Hillebrandt, Sonja, Schmitz, Petra, Keppeler, Hildegard, Berg, Thomas, Dahl, Edgar, Gassler, Nikolaus, Friedman, Scott L, Trautwein, Christian
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container_end_page 319.e3
container_issue 1
container_start_page 309
container_title Gastroenterology (New York, N.Y. 1943)
container_volume 137
creator Wasmuth, Hermann E
Lammert, Frank
Zaldivar, Mirko Moreno
Weiskirchen, Ralf
Hellerbrand, Claus
Scholten, David
Berres, Marie-Luise
Zimmermann, Henning
Streetz, Konrad L
Tacke, Frank
Hillebrandt, Sonja
Schmitz, Petra
Keppeler, Hildegard
Berg, Thomas
Dahl, Edgar
Gassler, Nikolaus
Friedman, Scott L
Trautwein, Christian
description Background & Aims Fibrosis is the hallmark of chronic liver diseases, yet many aspects of its mechanism remain to be defined. Chemokines are ubiquitous chemotactic molecules that mediate many acute and chronic inflammatory conditions, and CXC chemokine genes colocalize with a locus previously shown to include fibrogenic genes. We investigated the roles of the chemokine CXCL9 and its receptor CXCR3 in liver fibrosis. Methods The effects of CXCL variants on fibrogenesis were analyzed using samples from patients with hepatitis C virus infection and by induction of fibrosis in CXCR3−/− and wild-type mice. In mice, intrahepatic immune cell subsets were investigated and interferon gamma messenger RNA levels were measured at baseline and after injury. Human serum CXCL9 levels were measured and correlated with CXCL9 variant and fibrosis severity. The effects of stimulation with CXCL9 were investigated on human hepatic stellate cells (LX-2). Results Specific CXCL9 variants were associated with liver fibrosis in mice and humans; CXCL9 serum concentrations correlated with genotypes and levels of fibrosis in patients. In contrast to other chemokines, CXCL9 exerted antifibrotic effects in vitro, suppressing collagen production in LX-2 cells. CXCR3−/− mice had increased liver fibrosis; progression was associated with decreased numbers of intrahepatic interferon gamma–positive T cells and reduced interferon gamma messenger RNA, indicating that CXCL9-CXCR3 regulates Th1-associated immune pathways. Conclusions This is the first description of a chemokine-based antifibrotic pathway in the liver; antifibrotic therapies might be developed to modulate CXC chemokine levels.
doi_str_mv 10.1053/j.gastro.2009.03.053
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Chemokines are ubiquitous chemotactic molecules that mediate many acute and chronic inflammatory conditions, and CXC chemokine genes colocalize with a locus previously shown to include fibrogenic genes. We investigated the roles of the chemokine CXCL9 and its receptor CXCR3 in liver fibrosis. Methods The effects of CXCL variants on fibrogenesis were analyzed using samples from patients with hepatitis C virus infection and by induction of fibrosis in CXCR3−/− and wild-type mice. In mice, intrahepatic immune cell subsets were investigated and interferon gamma messenger RNA levels were measured at baseline and after injury. Human serum CXCL9 levels were measured and correlated with CXCL9 variant and fibrosis severity. The effects of stimulation with CXCL9 were investigated on human hepatic stellate cells (LX-2). Results Specific CXCL9 variants were associated with liver fibrosis in mice and humans; CXCL9 serum concentrations correlated with genotypes and levels of fibrosis in patients. In contrast to other chemokines, CXCL9 exerted antifibrotic effects in vitro, suppressing collagen production in LX-2 cells. CXCR3−/− mice had increased liver fibrosis; progression was associated with decreased numbers of intrahepatic interferon gamma–positive T cells and reduced interferon gamma messenger RNA, indicating that CXCL9-CXCR3 regulates Th1-associated immune pathways. Conclusions This is the first description of a chemokine-based antifibrotic pathway in the liver; antifibrotic therapies might be developed to modulate CXC chemokine levels.</description><identifier>ISSN: 0016-5085</identifier><identifier>EISSN: 1528-0012</identifier><identifier>DOI: 10.1053/j.gastro.2009.03.053</identifier><identifier>PMID: 19344719</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Animals ; Carbon Tetrachloride ; Cells, Cultured ; Chemokine CXCL9 - blood ; Chemokine CXCL9 - genetics ; Chemokine CXCL9 - metabolism ; Cohort Studies ; Collagen - metabolism ; Disease Models, Animal ; Gastroenterology and Hepatology ; Genotype ; Hepatic Stellate Cells - immunology ; Hepatitis C, Chronic - complications ; Hepatitis C, Chronic - immunology ; Humans ; Interferon-gamma - metabolism ; Liver - immunology ; Liver - metabolism ; Liver - pathology ; Liver - virology ; Liver Cirrhosis - chemically induced ; Liver Cirrhosis - immunology ; Liver Cirrhosis - pathology ; Liver Cirrhosis - prevention &amp; control ; Liver Cirrhosis - virology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Mice, Knockout ; Phenotype ; Polymorphism, Single Nucleotide ; Receptors, CXCR3 - deficiency ; Receptors, CXCR3 - genetics ; Receptors, CXCR3 - metabolism ; RNA, Messenger - metabolism ; Severity of Illness Index ; Th1 Cells - immunology</subject><ispartof>Gastroenterology (New York, N.Y. 1943), 2009-07, Vol.137 (1), p.309-319.e3</ispartof><rights>AGA Institute</rights><rights>2009 AGA Institute</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c582t-dac89ce930680c3d75f90eee51f8772e25f997b6f54928db2990be5b26dd84a23</citedby><cites>FETCH-LOGICAL-c582t-dac89ce930680c3d75f90eee51f8772e25f997b6f54928db2990be5b26dd84a23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1053/j.gastro.2009.03.053$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19344719$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wasmuth, Hermann E</creatorcontrib><creatorcontrib>Lammert, Frank</creatorcontrib><creatorcontrib>Zaldivar, Mirko Moreno</creatorcontrib><creatorcontrib>Weiskirchen, Ralf</creatorcontrib><creatorcontrib>Hellerbrand, Claus</creatorcontrib><creatorcontrib>Scholten, David</creatorcontrib><creatorcontrib>Berres, Marie-Luise</creatorcontrib><creatorcontrib>Zimmermann, Henning</creatorcontrib><creatorcontrib>Streetz, Konrad L</creatorcontrib><creatorcontrib>Tacke, Frank</creatorcontrib><creatorcontrib>Hillebrandt, Sonja</creatorcontrib><creatorcontrib>Schmitz, Petra</creatorcontrib><creatorcontrib>Keppeler, Hildegard</creatorcontrib><creatorcontrib>Berg, Thomas</creatorcontrib><creatorcontrib>Dahl, Edgar</creatorcontrib><creatorcontrib>Gassler, Nikolaus</creatorcontrib><creatorcontrib>Friedman, Scott L</creatorcontrib><creatorcontrib>Trautwein, Christian</creatorcontrib><title>Antifibrotic Effects of CXCL9 and Its Receptor CXCR3 in Livers of Mice and Humans</title><title>Gastroenterology (New York, N.Y. 1943)</title><addtitle>Gastroenterology</addtitle><description>Background &amp; Aims Fibrosis is the hallmark of chronic liver diseases, yet many aspects of its mechanism remain to be defined. Chemokines are ubiquitous chemotactic molecules that mediate many acute and chronic inflammatory conditions, and CXC chemokine genes colocalize with a locus previously shown to include fibrogenic genes. We investigated the roles of the chemokine CXCL9 and its receptor CXCR3 in liver fibrosis. Methods The effects of CXCL variants on fibrogenesis were analyzed using samples from patients with hepatitis C virus infection and by induction of fibrosis in CXCR3−/− and wild-type mice. In mice, intrahepatic immune cell subsets were investigated and interferon gamma messenger RNA levels were measured at baseline and after injury. Human serum CXCL9 levels were measured and correlated with CXCL9 variant and fibrosis severity. The effects of stimulation with CXCL9 were investigated on human hepatic stellate cells (LX-2). Results Specific CXCL9 variants were associated with liver fibrosis in mice and humans; CXCL9 serum concentrations correlated with genotypes and levels of fibrosis in patients. In contrast to other chemokines, CXCL9 exerted antifibrotic effects in vitro, suppressing collagen production in LX-2 cells. CXCR3−/− mice had increased liver fibrosis; progression was associated with decreased numbers of intrahepatic interferon gamma–positive T cells and reduced interferon gamma messenger RNA, indicating that CXCL9-CXCR3 regulates Th1-associated immune pathways. Conclusions This is the first description of a chemokine-based antifibrotic pathway in the liver; antifibrotic therapies might be developed to modulate CXC chemokine levels.</description><subject>Animals</subject><subject>Carbon Tetrachloride</subject><subject>Cells, Cultured</subject><subject>Chemokine CXCL9 - blood</subject><subject>Chemokine CXCL9 - genetics</subject><subject>Chemokine CXCL9 - metabolism</subject><subject>Cohort Studies</subject><subject>Collagen - metabolism</subject><subject>Disease Models, Animal</subject><subject>Gastroenterology and Hepatology</subject><subject>Genotype</subject><subject>Hepatic Stellate Cells - immunology</subject><subject>Hepatitis C, Chronic - complications</subject><subject>Hepatitis C, Chronic - immunology</subject><subject>Humans</subject><subject>Interferon-gamma - metabolism</subject><subject>Liver - immunology</subject><subject>Liver - metabolism</subject><subject>Liver - pathology</subject><subject>Liver - virology</subject><subject>Liver Cirrhosis - chemically induced</subject><subject>Liver Cirrhosis - immunology</subject><subject>Liver Cirrhosis - pathology</subject><subject>Liver Cirrhosis - prevention &amp; 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Lammert, Frank ; Zaldivar, Mirko Moreno ; Weiskirchen, Ralf ; Hellerbrand, Claus ; Scholten, David ; Berres, Marie-Luise ; Zimmermann, Henning ; Streetz, Konrad L ; Tacke, Frank ; Hillebrandt, Sonja ; Schmitz, Petra ; Keppeler, Hildegard ; Berg, Thomas ; Dahl, Edgar ; Gassler, Nikolaus ; Friedman, Scott L ; Trautwein, Christian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c582t-dac89ce930680c3d75f90eee51f8772e25f997b6f54928db2990be5b26dd84a23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Animals</topic><topic>Carbon Tetrachloride</topic><topic>Cells, Cultured</topic><topic>Chemokine CXCL9 - blood</topic><topic>Chemokine CXCL9 - genetics</topic><topic>Chemokine CXCL9 - metabolism</topic><topic>Cohort Studies</topic><topic>Collagen - metabolism</topic><topic>Disease Models, Animal</topic><topic>Gastroenterology and Hepatology</topic><topic>Genotype</topic><topic>Hepatic Stellate Cells - immunology</topic><topic>Hepatitis C, Chronic - complications</topic><topic>Hepatitis C, Chronic - immunology</topic><topic>Humans</topic><topic>Interferon-gamma - metabolism</topic><topic>Liver - immunology</topic><topic>Liver - metabolism</topic><topic>Liver - pathology</topic><topic>Liver - virology</topic><topic>Liver Cirrhosis - chemically induced</topic><topic>Liver Cirrhosis - immunology</topic><topic>Liver Cirrhosis - pathology</topic><topic>Liver Cirrhosis - prevention &amp; control</topic><topic>Liver Cirrhosis - virology</topic><topic>Mice</topic><topic>Mice, Inbred BALB C</topic><topic>Mice, Inbred C57BL</topic><topic>Mice, Knockout</topic><topic>Phenotype</topic><topic>Polymorphism, Single Nucleotide</topic><topic>Receptors, CXCR3 - deficiency</topic><topic>Receptors, CXCR3 - genetics</topic><topic>Receptors, CXCR3 - metabolism</topic><topic>RNA, Messenger - metabolism</topic><topic>Severity of Illness Index</topic><topic>Th1 Cells - immunology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wasmuth, Hermann E</creatorcontrib><creatorcontrib>Lammert, Frank</creatorcontrib><creatorcontrib>Zaldivar, Mirko Moreno</creatorcontrib><creatorcontrib>Weiskirchen, Ralf</creatorcontrib><creatorcontrib>Hellerbrand, Claus</creatorcontrib><creatorcontrib>Scholten, David</creatorcontrib><creatorcontrib>Berres, Marie-Luise</creatorcontrib><creatorcontrib>Zimmermann, Henning</creatorcontrib><creatorcontrib>Streetz, Konrad L</creatorcontrib><creatorcontrib>Tacke, Frank</creatorcontrib><creatorcontrib>Hillebrandt, Sonja</creatorcontrib><creatorcontrib>Schmitz, Petra</creatorcontrib><creatorcontrib>Keppeler, Hildegard</creatorcontrib><creatorcontrib>Berg, Thomas</creatorcontrib><creatorcontrib>Dahl, Edgar</creatorcontrib><creatorcontrib>Gassler, Nikolaus</creatorcontrib><creatorcontrib>Friedman, Scott L</creatorcontrib><creatorcontrib>Trautwein, Christian</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Gastroenterology (New York, N.Y. 1943)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wasmuth, Hermann E</au><au>Lammert, Frank</au><au>Zaldivar, Mirko Moreno</au><au>Weiskirchen, Ralf</au><au>Hellerbrand, Claus</au><au>Scholten, David</au><au>Berres, Marie-Luise</au><au>Zimmermann, Henning</au><au>Streetz, Konrad L</au><au>Tacke, Frank</au><au>Hillebrandt, Sonja</au><au>Schmitz, Petra</au><au>Keppeler, Hildegard</au><au>Berg, Thomas</au><au>Dahl, Edgar</au><au>Gassler, Nikolaus</au><au>Friedman, Scott L</au><au>Trautwein, Christian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Antifibrotic Effects of CXCL9 and Its Receptor CXCR3 in Livers of Mice and Humans</atitle><jtitle>Gastroenterology (New York, N.Y. 1943)</jtitle><addtitle>Gastroenterology</addtitle><date>2009-07-01</date><risdate>2009</risdate><volume>137</volume><issue>1</issue><spage>309</spage><epage>319.e3</epage><pages>309-319.e3</pages><issn>0016-5085</issn><eissn>1528-0012</eissn><abstract>Background &amp; Aims Fibrosis is the hallmark of chronic liver diseases, yet many aspects of its mechanism remain to be defined. Chemokines are ubiquitous chemotactic molecules that mediate many acute and chronic inflammatory conditions, and CXC chemokine genes colocalize with a locus previously shown to include fibrogenic genes. We investigated the roles of the chemokine CXCL9 and its receptor CXCR3 in liver fibrosis. Methods The effects of CXCL variants on fibrogenesis were analyzed using samples from patients with hepatitis C virus infection and by induction of fibrosis in CXCR3−/− and wild-type mice. In mice, intrahepatic immune cell subsets were investigated and interferon gamma messenger RNA levels were measured at baseline and after injury. Human serum CXCL9 levels were measured and correlated with CXCL9 variant and fibrosis severity. The effects of stimulation with CXCL9 were investigated on human hepatic stellate cells (LX-2). Results Specific CXCL9 variants were associated with liver fibrosis in mice and humans; CXCL9 serum concentrations correlated with genotypes and levels of fibrosis in patients. In contrast to other chemokines, CXCL9 exerted antifibrotic effects in vitro, suppressing collagen production in LX-2 cells. CXCR3−/− mice had increased liver fibrosis; progression was associated with decreased numbers of intrahepatic interferon gamma–positive T cells and reduced interferon gamma messenger RNA, indicating that CXCL9-CXCR3 regulates Th1-associated immune pathways. Conclusions This is the first description of a chemokine-based antifibrotic pathway in the liver; antifibrotic therapies might be developed to modulate CXC chemokine levels.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>19344719</pmid><doi>10.1053/j.gastro.2009.03.053</doi><oa>free_for_read</oa></addata></record>
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subjects Animals
Carbon Tetrachloride
Cells, Cultured
Chemokine CXCL9 - blood
Chemokine CXCL9 - genetics
Chemokine CXCL9 - metabolism
Cohort Studies
Collagen - metabolism
Disease Models, Animal
Gastroenterology and Hepatology
Genotype
Hepatic Stellate Cells - immunology
Hepatitis C, Chronic - complications
Hepatitis C, Chronic - immunology
Humans
Interferon-gamma - metabolism
Liver - immunology
Liver - metabolism
Liver - pathology
Liver - virology
Liver Cirrhosis - chemically induced
Liver Cirrhosis - immunology
Liver Cirrhosis - pathology
Liver Cirrhosis - prevention & control
Liver Cirrhosis - virology
Mice
Mice, Inbred BALB C
Mice, Inbred C57BL
Mice, Knockout
Phenotype
Polymorphism, Single Nucleotide
Receptors, CXCR3 - deficiency
Receptors, CXCR3 - genetics
Receptors, CXCR3 - metabolism
RNA, Messenger - metabolism
Severity of Illness Index
Th1 Cells - immunology
title Antifibrotic Effects of CXCL9 and Its Receptor CXCR3 in Livers of Mice and Humans
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