Induction of Interleukin-6 by Hepatitis C Virus Core Protein in Hepatitis C–Associated Mixed Cryoglobulinemia and B-Cell Non–Hodgkin's Lymphoma

Purpose: Chronic hepatitis C carries the risk to develop mixed cryoglobulinemia (MC) and B-cell non–Hodgkin's lymphoma (B-NHL), possibly because viral antigens stimulate the host's inflammatory response via extracellular pattern recognition receptors (PRR). To clarify this issue, we studie...

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Veröffentlicht in:Clinical cancer research 2006-08, Vol.12 (15), p.4491-4498
Hauptverfasser: FELDMANN, Georg, NISCHALKE, Hans Dieter, SAUERBRUCH, Tilman, CASELMANN, Wolfgang H, SPENGLER, Ulrich, NATTERMANN, Jacob, BANAS, Brigitte, BERG, Thomas, TESCHENDORF, Christian, SCHMIEGEL, Wolff, DUHRSEN, Ulrich, HALANGK, Juliane, IWAN, Agathe
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container_end_page 4498
container_issue 15
container_start_page 4491
container_title Clinical cancer research
container_volume 12
creator FELDMANN, Georg
NISCHALKE, Hans Dieter
SAUERBRUCH, Tilman
CASELMANN, Wolfgang H
SPENGLER, Ulrich
NATTERMANN, Jacob
BANAS, Brigitte
BERG, Thomas
TESCHENDORF, Christian
SCHMIEGEL, Wolff
DUHRSEN, Ulrich
HALANGK, Juliane
IWAN, Agathe
description Purpose: Chronic hepatitis C carries the risk to develop mixed cryoglobulinemia (MC) and B-cell non–Hodgkin's lymphoma (B-NHL), possibly because viral antigens stimulate the host's inflammatory response via extracellular pattern recognition receptors (PRR). To clarify this issue, we studied whether recognition of hepatitis C virus (HCV) proteins by PRR is involved in the pathogenesis of HCV-associated MC or B-NHL. Experimental Design: Peripheral blood mononuclear cells of patients with HCV-associated B-NHL ( n = 12), MC ( n = 14), uncomplicated hepatitis C ( n = 12), and healthy volunteers ( n = 12) were incubated with the recombinant HCV proteins E2, core, and NS3 to study induction of cytokine production, stimulation of B-cell proliferation, and immunoglobulin secretion. In addition, serum levels of interleukin-6 (IL-6) were measured by ELISA. Results: HCV core was the only studied protein, which induced production of IL-6 and IL-8 in CD14 + cells. IL-6 induction was mediated via Toll-like receptor 2 (TLR2) and lead to increased B-cell proliferation in vitro . TLR2 expression on monocytes and IL-6 serum concentrations were increased in all groups of HCV-infected patients compared with healthy controls and were highest in MC ( P < 0.05). Conclusions: Increased secretion of IL-6 via stimulation of TLR2 by HCV core protein may play a role in the pathogenesis of hepatitis C–associated MC and B-NHL.
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To clarify this issue, we studied whether recognition of hepatitis C virus (HCV) proteins by PRR is involved in the pathogenesis of HCV-associated MC or B-NHL. Experimental Design: Peripheral blood mononuclear cells of patients with HCV-associated B-NHL ( n = 12), MC ( n = 14), uncomplicated hepatitis C ( n = 12), and healthy volunteers ( n = 12) were incubated with the recombinant HCV proteins E2, core, and NS3 to study induction of cytokine production, stimulation of B-cell proliferation, and immunoglobulin secretion. In addition, serum levels of interleukin-6 (IL-6) were measured by ELISA. Results: HCV core was the only studied protein, which induced production of IL-6 and IL-8 in CD14 + cells. IL-6 induction was mediated via Toll-like receptor 2 (TLR2) and lead to increased B-cell proliferation in vitro . TLR2 expression on monocytes and IL-6 serum concentrations were increased in all groups of HCV-infected patients compared with healthy controls and were highest in MC ( P &lt; 0.05). 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Immunoglobulinopathies ; Immunoglobulinopathies ; Immunopathology ; Infectious diseases ; interleukin-6 ; Interleukin-6 - biosynthesis ; Interleukin-6 - blood ; Interleukin-8 - biosynthesis ; Leukemias. Malignant lymphomas. Malignant reticulosis. Myelofibrosis ; Leukocytes, Mononuclear - immunology ; Lymphoma, B-Cell - blood ; Lymphoma, B-Cell - etiology ; Lymphoma, Non-Hodgkin - blood ; Lymphoma, Non-Hodgkin - etiology ; Male ; Medical sciences ; Middle Aged ; mixed cryoglobulinemia ; Recombinant Proteins - blood ; Recombinant Proteins - metabolism ; Toll-Like Receptor 2 - genetics ; Toll-Like Receptor 2 - metabolism ; Toll-like receptors ; Up-Regulation ; Viral Core Proteins - immunology ; Viral diseases ; Viral hepatitis</subject><ispartof>Clinical cancer research, 2006-08, Vol.12 (15), p.4491-4498</ispartof><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c515t-5a29b21719a6e89c3eed8c9155d2c15107d48b98bf2dee1c7eb126053120aa973</citedby><cites>FETCH-LOGICAL-c515t-5a29b21719a6e89c3eed8c9155d2c15107d48b98bf2dee1c7eb126053120aa973</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,3357,27928,27929</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=18032278$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16899594$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>FELDMANN, Georg</creatorcontrib><creatorcontrib>NISCHALKE, Hans Dieter</creatorcontrib><creatorcontrib>SAUERBRUCH, Tilman</creatorcontrib><creatorcontrib>CASELMANN, Wolfgang H</creatorcontrib><creatorcontrib>SPENGLER, Ulrich</creatorcontrib><creatorcontrib>NATTERMANN, Jacob</creatorcontrib><creatorcontrib>BANAS, Brigitte</creatorcontrib><creatorcontrib>BERG, Thomas</creatorcontrib><creatorcontrib>TESCHENDORF, Christian</creatorcontrib><creatorcontrib>SCHMIEGEL, Wolff</creatorcontrib><creatorcontrib>DUHRSEN, Ulrich</creatorcontrib><creatorcontrib>HALANGK, Juliane</creatorcontrib><creatorcontrib>IWAN, Agathe</creatorcontrib><title>Induction of Interleukin-6 by Hepatitis C Virus Core Protein in Hepatitis C–Associated Mixed Cryoglobulinemia and B-Cell Non–Hodgkin's Lymphoma</title><title>Clinical cancer research</title><addtitle>Clin Cancer Res</addtitle><description>Purpose: Chronic hepatitis C carries the risk to develop mixed cryoglobulinemia (MC) and B-cell non–Hodgkin's lymphoma (B-NHL), possibly because viral antigens stimulate the host's inflammatory response via extracellular pattern recognition receptors (PRR). To clarify this issue, we studied whether recognition of hepatitis C virus (HCV) proteins by PRR is involved in the pathogenesis of HCV-associated MC or B-NHL. Experimental Design: Peripheral blood mononuclear cells of patients with HCV-associated B-NHL ( n = 12), MC ( n = 14), uncomplicated hepatitis C ( n = 12), and healthy volunteers ( n = 12) were incubated with the recombinant HCV proteins E2, core, and NS3 to study induction of cytokine production, stimulation of B-cell proliferation, and immunoglobulin secretion. In addition, serum levels of interleukin-6 (IL-6) were measured by ELISA. Results: HCV core was the only studied protein, which induced production of IL-6 and IL-8 in CD14 + cells. IL-6 induction was mediated via Toll-like receptor 2 (TLR2) and lead to increased B-cell proliferation in vitro . TLR2 expression on monocytes and IL-6 serum concentrations were increased in all groups of HCV-infected patients compared with healthy controls and were highest in MC ( P &lt; 0.05). Conclusions: Increased secretion of IL-6 via stimulation of TLR2 by HCV core protein may play a role in the pathogenesis of hepatitis C–associated MC and B-NHL.</description><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>B-cell lymphoma</subject><subject>Biological and medical sciences</subject><subject>Cell Proliferation</subject><subject>Cryoglobulinemia - blood</subject><subject>Cryoglobulinemia - etiology</subject><subject>Female</subject><subject>Hematologic and hematopoietic diseases</subject><subject>Hepacivirus - immunology</subject><subject>Hepatitis C</subject><subject>Hepatitis C - blood</subject><subject>Hepatitis C - complications</subject><subject>Hepatitis C - immunology</subject><subject>Hepatitis C virus</subject><subject>Human viral diseases</subject><subject>Humans</subject><subject>Immunodeficiencies. 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Immunoglobulinopathies</topic><topic>Immunoglobulinopathies</topic><topic>Immunopathology</topic><topic>Infectious diseases</topic><topic>interleukin-6</topic><topic>Interleukin-6 - biosynthesis</topic><topic>Interleukin-6 - blood</topic><topic>Interleukin-8 - biosynthesis</topic><topic>Leukemias. Malignant lymphomas. Malignant reticulosis. 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To clarify this issue, we studied whether recognition of hepatitis C virus (HCV) proteins by PRR is involved in the pathogenesis of HCV-associated MC or B-NHL. Experimental Design: Peripheral blood mononuclear cells of patients with HCV-associated B-NHL ( n = 12), MC ( n = 14), uncomplicated hepatitis C ( n = 12), and healthy volunteers ( n = 12) were incubated with the recombinant HCV proteins E2, core, and NS3 to study induction of cytokine production, stimulation of B-cell proliferation, and immunoglobulin secretion. In addition, serum levels of interleukin-6 (IL-6) were measured by ELISA. Results: HCV core was the only studied protein, which induced production of IL-6 and IL-8 in CD14 + cells. IL-6 induction was mediated via Toll-like receptor 2 (TLR2) and lead to increased B-cell proliferation in vitro . TLR2 expression on monocytes and IL-6 serum concentrations were increased in all groups of HCV-infected patients compared with healthy controls and were highest in MC ( P &lt; 0.05). Conclusions: Increased secretion of IL-6 via stimulation of TLR2 by HCV core protein may play a role in the pathogenesis of hepatitis C–associated MC and B-NHL.</abstract><cop>Philadelphia, PA</cop><pub>American Association for Cancer Research</pub><pmid>16899594</pmid><doi>10.1158/1078-0432.CCR-06-0154</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Aged
Aged, 80 and over
B-cell lymphoma
Biological and medical sciences
Cell Proliferation
Cryoglobulinemia - blood
Cryoglobulinemia - etiology
Female
Hematologic and hematopoietic diseases
Hepacivirus - immunology
Hepatitis C
Hepatitis C - blood
Hepatitis C - complications
Hepatitis C - immunology
Hepatitis C virus
Human viral diseases
Humans
Immunodeficiencies. Immunoglobulinopathies
Immunoglobulinopathies
Immunopathology
Infectious diseases
interleukin-6
Interleukin-6 - biosynthesis
Interleukin-6 - blood
Interleukin-8 - biosynthesis
Leukemias. Malignant lymphomas. Malignant reticulosis. Myelofibrosis
Leukocytes, Mononuclear - immunology
Lymphoma, B-Cell - blood
Lymphoma, B-Cell - etiology
Lymphoma, Non-Hodgkin - blood
Lymphoma, Non-Hodgkin - etiology
Male
Medical sciences
Middle Aged
mixed cryoglobulinemia
Recombinant Proteins - blood
Recombinant Proteins - metabolism
Toll-Like Receptor 2 - genetics
Toll-Like Receptor 2 - metabolism
Toll-like receptors
Up-Regulation
Viral Core Proteins - immunology
Viral diseases
Viral hepatitis
title Induction of Interleukin-6 by Hepatitis C Virus Core Protein in Hepatitis C–Associated Mixed Cryoglobulinemia and B-Cell Non–Hodgkin's Lymphoma
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