Mesenchymal stem cells attenuate acute liver injury by altering ratio between interleukin 17 producing and regulatory natural killer T cells

Mesenchymal stem cells (MSCs) are, due to immunomodulatory characteristics, considered as novel agents in the treatment of immune‐mediated acute liver failure. Although it is known that MSCs can regulate activation of T lymphocytes, their capacity to modulate function of neutrophils and natural kill...

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Veröffentlicht in:Liver transplantation 2017-08, Vol.23 (8), p.1040-1050
Hauptverfasser: Milosavljevic, Neda, Gazdic, Marina, Simovic Markovic, Bojana, Arsenijevic, Aleksandar, Nurkovic, Jasmin, Dolicanin, Zana, Djonov, Valentin, Lukic, Miodrag L., Volarevic, Vladislav
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container_end_page 1050
container_issue 8
container_start_page 1040
container_title Liver transplantation
container_volume 23
creator Milosavljevic, Neda
Gazdic, Marina
Simovic Markovic, Bojana
Arsenijevic, Aleksandar
Nurkovic, Jasmin
Dolicanin, Zana
Djonov, Valentin
Lukic, Miodrag L.
Volarevic, Vladislav
description Mesenchymal stem cells (MSCs) are, due to immunomodulatory characteristics, considered as novel agents in the treatment of immune‐mediated acute liver failure. Although it is known that MSCs can regulate activation of T lymphocytes, their capacity to modulate function of neutrophils and natural killer T (NKT) cells, major interleukin (IL) 17–producing cells in acute liver injury, is still unknown. By using 2 well‐established murine models of neutrophil and NKT cell–mediated acute liver failure (induced by carbon tetrachloride and α‐galactoceramide), we investigated molecular and cellular mechanisms involved in MSC‐mediated modulation of IL17 signaling during acute liver injury. Single intravenous injection of MSCs attenuate acute hepatitis and hepatotoxicity of NKT cells in a paracrine, indoleamine 2,3‐dioxygenase (IDO)–dependent manner. Decreased levels of inflammatory IL17 and increased levels of immunosuppressive IL10 in serum, reduced number of interleukin 17–producing natural killer T (NKT17) cells, and increased presence of forkhead box P3 + IL10–producing natural killer T regulatory cells (NKTregs) were noticed in the injured livers of MSC‐treated mice. MSCs did not significantly alter the total number of IL17‐producing neutrophils, CD4+, and CD8 + T lymphocytes in the injured livers. Injection of mesenchymal stem cell–conditioned medium (MSC‐CM) resulted with an increased NKTreg/NKT17 ratio in the liver and attenuated hepatitis in vivo and significantly reduced hepatotoxicity of NKT cells in vitro. This phenomenon was completely abrogated in the presence of IDO inhibitor, 1‐methyltryptophan. In conclusion, the capacity of MSCs to alter NKT17/NKTreg ratio and suppress hepatotoxicity of NKT cells in an IDO‐dependent manner may be used as a new therapeutic approach in IL17‐driven liver inflammation. Liver Transplantation 23 1040–1050 2017 AASLD.
doi_str_mv 10.1002/lt.24784
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Although it is known that MSCs can regulate activation of T lymphocytes, their capacity to modulate function of neutrophils and natural killer T (NKT) cells, major interleukin (IL) 17–producing cells in acute liver injury, is still unknown. By using 2 well‐established murine models of neutrophil and NKT cell–mediated acute liver failure (induced by carbon tetrachloride and α‐galactoceramide), we investigated molecular and cellular mechanisms involved in MSC‐mediated modulation of IL17 signaling during acute liver injury. Single intravenous injection of MSCs attenuate acute hepatitis and hepatotoxicity of NKT cells in a paracrine, indoleamine 2,3‐dioxygenase (IDO)–dependent manner. Decreased levels of inflammatory IL17 and increased levels of immunosuppressive IL10 in serum, reduced number of interleukin 17–producing natural killer T (NKT17) cells, and increased presence of forkhead box P3 + IL10–producing natural killer T regulatory cells (NKTregs) were noticed in the injured livers of MSC‐treated mice. MSCs did not significantly alter the total number of IL17‐producing neutrophils, CD4+, and CD8 + T lymphocytes in the injured livers. Injection of mesenchymal stem cell–conditioned medium (MSC‐CM) resulted with an increased NKTreg/NKT17 ratio in the liver and attenuated hepatitis in vivo and significantly reduced hepatotoxicity of NKT cells in vitro. This phenomenon was completely abrogated in the presence of IDO inhibitor, 1‐methyltryptophan. In conclusion, the capacity of MSCs to alter NKT17/NKTreg ratio and suppress hepatotoxicity of NKT cells in an IDO‐dependent manner may be used as a new therapeutic approach in IL17‐driven liver inflammation. 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Although it is known that MSCs can regulate activation of T lymphocytes, their capacity to modulate function of neutrophils and natural killer T (NKT) cells, major interleukin (IL) 17–producing cells in acute liver injury, is still unknown. By using 2 well‐established murine models of neutrophil and NKT cell–mediated acute liver failure (induced by carbon tetrachloride and α‐galactoceramide), we investigated molecular and cellular mechanisms involved in MSC‐mediated modulation of IL17 signaling during acute liver injury. Single intravenous injection of MSCs attenuate acute hepatitis and hepatotoxicity of NKT cells in a paracrine, indoleamine 2,3‐dioxygenase (IDO)–dependent manner. Decreased levels of inflammatory IL17 and increased levels of immunosuppressive IL10 in serum, reduced number of interleukin 17–producing natural killer T (NKT17) cells, and increased presence of forkhead box P3 + IL10–producing natural killer T regulatory cells (NKTregs) were noticed in the injured livers of MSC‐treated mice. MSCs did not significantly alter the total number of IL17‐producing neutrophils, CD4+, and CD8 + T lymphocytes in the injured livers. Injection of mesenchymal stem cell–conditioned medium (MSC‐CM) resulted with an increased NKTreg/NKT17 ratio in the liver and attenuated hepatitis in vivo and significantly reduced hepatotoxicity of NKT cells in vitro. This phenomenon was completely abrogated in the presence of IDO inhibitor, 1‐methyltryptophan. In conclusion, the capacity of MSCs to alter NKT17/NKTreg ratio and suppress hepatotoxicity of NKT cells in an IDO‐dependent manner may be used as a new therapeutic approach in IL17‐driven liver inflammation. 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derivatives</subject><subject>Tryptophan - pharmacology</subject><subject>Tryptophan 2,3-dioxygenase</subject><issn>1527-6465</issn><issn>1527-6473</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kMtKxDAUhoMo3sEnkIAbN9UkbaaZpYg3GHEzrstpejp2zKSai0PfwYc2Y9WdmySE73z_4SfkhLMLzpi4NOFCFKUqtsg-l6LMJkWZb_-9J3KPHHi_ZIxzOWW7ZE-oQqVBuU8-H9Gj1S_DCgz1AVdUozGeQghoIwSkoGM6TfeBjnZ2Gd1A64GCCeg6u6AOQtfTGsMa0SYgfRuMr52lvKRvrm-i3mBgG-pwEQ2EPhkshOhS4mtnTPLOx9QjstOC8Xj8cx-S59ub-fV9Nnu6e7i-mmU6V3mRqRYkq0vBleaATVNzZKCmOYCUzQTktNASUIBGWUvgIq-xLPMWeS7bWimeH5Kz0Zv2e4_oQ7Xso7MpsuJTwVjJBVOJOh8p7XrvHbbVm-tW4IaKs2pTe2VC9V17Qk9_hLFeYfMH_vacgGwE1p3B4V9RNZuPwi8UN45Q</recordid><startdate>201708</startdate><enddate>201708</enddate><creator>Milosavljevic, Neda</creator><creator>Gazdic, Marina</creator><creator>Simovic Markovic, Bojana</creator><creator>Arsenijevic, Aleksandar</creator><creator>Nurkovic, Jasmin</creator><creator>Dolicanin, Zana</creator><creator>Djonov, Valentin</creator><creator>Lukic, Miodrag L.</creator><creator>Volarevic, Vladislav</creator><general>Wolters Kluwer Health, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>K9.</scope><orcidid>https://orcid.org/0000-0001-6369-6285</orcidid></search><sort><creationdate>201708</creationdate><title>Mesenchymal stem cells attenuate acute liver injury by altering ratio between interleukin 17 producing and regulatory natural killer T cells</title><author>Milosavljevic, Neda ; Gazdic, Marina ; Simovic Markovic, Bojana ; Arsenijevic, Aleksandar ; Nurkovic, Jasmin ; Dolicanin, Zana ; Djonov, Valentin ; Lukic, Miodrag L. ; Volarevic, Vladislav</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3834-8fa50b7218c1aeddb1e0a893aa55d6a594c5ae2ace5b5a123be773fe135fb8813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Animal models</topic><topic>Animals</topic><topic>Carbon tetrachloride</topic><topic>Carbon Tetrachloride - pharmacology</topic><topic>CD4 antigen</topic><topic>CD8 antigen</topic><topic>CD8-Positive T-Lymphocytes - immunology</topic><topic>CD8-Positive T-Lymphocytes - metabolism</topic><topic>Cell activation</topic><topic>Cells, Cultured</topic><topic>Coculture Techniques</topic><topic>Cytokines</topic><topic>Disease Models, Animal</topic><topic>Forkhead protein</topic><topic>Forkhead Transcription Factors - metabolism</topic><topic>Galactosylceramides - pharmacology</topic><topic>Hepatitis</topic><topic>Hepatocytes</topic><topic>Hepatotoxicity</topic><topic>Humans</topic><topic>Immunomodulation</topic><topic>Immunoregulation</topic><topic>Indoleamine-Pyrrole 2,3,-Dioxygenase - antagonists &amp; 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Decreased levels of inflammatory IL17 and increased levels of immunosuppressive IL10 in serum, reduced number of interleukin 17–producing natural killer T (NKT17) cells, and increased presence of forkhead box P3 + IL10–producing natural killer T regulatory cells (NKTregs) were noticed in the injured livers of MSC‐treated mice. MSCs did not significantly alter the total number of IL17‐producing neutrophils, CD4+, and CD8 + T lymphocytes in the injured livers. Injection of mesenchymal stem cell–conditioned medium (MSC‐CM) resulted with an increased NKTreg/NKT17 ratio in the liver and attenuated hepatitis in vivo and significantly reduced hepatotoxicity of NKT cells in vitro. This phenomenon was completely abrogated in the presence of IDO inhibitor, 1‐methyltryptophan. In conclusion, the capacity of MSCs to alter NKT17/NKTreg ratio and suppress hepatotoxicity of NKT cells in an IDO‐dependent manner may be used as a new therapeutic approach in IL17‐driven liver inflammation. Liver Transplantation 23 1040–1050 2017 AASLD.</abstract><cop>United States</cop><pub>Wolters Kluwer Health, Inc</pub><pmid>28481005</pmid><doi>10.1002/lt.24784</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0001-6369-6285</orcidid><oa>free_for_read</oa></addata></record>
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subjects Animal models
Animals
Carbon tetrachloride
Carbon Tetrachloride - pharmacology
CD4 antigen
CD8 antigen
CD8-Positive T-Lymphocytes - immunology
CD8-Positive T-Lymphocytes - metabolism
Cell activation
Cells, Cultured
Coculture Techniques
Cytokines
Disease Models, Animal
Forkhead protein
Forkhead Transcription Factors - metabolism
Galactosylceramides - pharmacology
Hepatitis
Hepatocytes
Hepatotoxicity
Humans
Immunomodulation
Immunoregulation
Indoleamine-Pyrrole 2,3,-Dioxygenase - antagonists & inhibitors
Indoleamine-Pyrrole 2,3,-Dioxygenase - metabolism
Inflammation
Injection
Interleukin 1
Interleukin 10
Interleukin 17
Interleukin-17 - metabolism
Intravenous administration
Leukocytes (neutrophilic)
Liver
Liver diseases
Liver Failure, Acute - immunology
Liver Failure, Acute - therapy
Lymphocytes T
Male
Mesenchymal Stem Cell Transplantation
Mesenchymal stem cells
Mesenchymal Stem Cells - immunology
Mesenchyme
Mice
Mice, Inbred C57BL
Natural Killer T-Cells - drug effects
Natural Killer T-Cells - immunology
Natural Killer T-Cells - metabolism
Neutrophils
Neutrophils - immunology
Neutrophils - metabolism
Rodents
Stem cells
T cell receptors
T-Lymphocytes, Regulatory - immunology
T-Lymphocytes, Regulatory - metabolism
Th17 Cells - immunology
Th17 Cells - metabolism
Tryptophan - analogs & derivatives
Tryptophan - pharmacology
Tryptophan 2,3-dioxygenase
title Mesenchymal stem cells attenuate acute liver injury by altering ratio between interleukin 17 producing and regulatory natural killer T cells
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