Increased expression of IL-37 in patients with Graves' disease and its contribution to suppression of proinflammatory cytokines production in peripheral blood mononuclear cells

Interleukin-37 (IL-37), a member of IL-1 family, is primarily an anti-inflammatory cytokine, which reduces systemic and local inflammation. However, the expression and role of IL-37 in Graves' disease (GD) remains unknown. This study aims to measure the levels of serum and peripheral blood mono...

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Veröffentlicht in:PloS one 2014-09, Vol.9 (9), p.e107183-e107183
Hauptverfasser: Li, Yanqun, Wang, Zi, Yu, Ting, Chen, Bingni, Zhang, Jinshun, Huang, Kunzhao, Huang, Zhong
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Wang, Zi
Yu, Ting
Chen, Bingni
Zhang, Jinshun
Huang, Kunzhao
Huang, Zhong
description Interleukin-37 (IL-37), a member of IL-1 family, is primarily an anti-inflammatory cytokine, which reduces systemic and local inflammation. However, the expression and role of IL-37 in Graves' disease (GD) remains unknown. This study aims to measure the levels of serum and peripheral blood mononuclear cells (PBMCs) IL-37 in patients with Graves' disease and to examine its association with disease activity. Furthermore, we investigate the effect of IL-37 on proinflammatory cytokines involved in the pathogenesis of GD. The expressions of IL-37, TNF-α, IL-6, and IL-17 mRNA in peripheral blood mononuclear cells (PBMCs) of 40 patients with Graves' disease were determined by real-time reverse transcription-polymerase chain reaction (RT-PCR), and the levels of IL-37, TNF-α, IL-6, and IL-17 in serum were detected by enzyme-linked immunoassay (ELISA). The correlation of serum IL-37 levels with cytokines and disease activity in Graves' disease patients were investigated. The expressions of cytokines TNF-α, IL-6, and IL-17 in PBMCs under recombinant IL-37 stimulation were determined by RT-PCR and ELISA respectively. The levels of IL-37, TNF-α, IL-6, and IL-17 in PBMCs and serum were significantly increased in patients with GD compared with healthy controls (HC). Serum IL-37 were closely correlated with TNF-α, IL-6, IL-17, thyrotropin (TSH), free thyroxine (FT4),free triiodothyronine (FT3) and thyrotropin receptor antibody (TRAB). GD patients with active disease showed higher IL-37 mRNA and serum protein levels compared with those with inactive disease as well as HC. Moreover, IL-37 suppressed the production of IL-6, IL-17 and TNF-α in PBMCs of patients with GD. Increased level of IL-37 in patients with GD are associated with TNF-α, IL-6, IL-17 and disease activity, and it plays a protective role against inflammatory effect in GD by inhibiting the production of proinflammatory cytokines. Thus, IL-37 may provide a novel research target for the pathogenesis and therapy of GD.
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However, the expression and role of IL-37 in Graves' disease (GD) remains unknown. This study aims to measure the levels of serum and peripheral blood mononuclear cells (PBMCs) IL-37 in patients with Graves' disease and to examine its association with disease activity. Furthermore, we investigate the effect of IL-37 on proinflammatory cytokines involved in the pathogenesis of GD. The expressions of IL-37, TNF-α, IL-6, and IL-17 mRNA in peripheral blood mononuclear cells (PBMCs) of 40 patients with Graves' disease were determined by real-time reverse transcription-polymerase chain reaction (RT-PCR), and the levels of IL-37, TNF-α, IL-6, and IL-17 in serum were detected by enzyme-linked immunoassay (ELISA). The correlation of serum IL-37 levels with cytokines and disease activity in Graves' disease patients were investigated. The expressions of cytokines TNF-α, IL-6, and IL-17 in PBMCs under recombinant IL-37 stimulation were determined by RT-PCR and ELISA respectively. The levels of IL-37, TNF-α, IL-6, and IL-17 in PBMCs and serum were significantly increased in patients with GD compared with healthy controls (HC). Serum IL-37 were closely correlated with TNF-α, IL-6, IL-17, thyrotropin (TSH), free thyroxine (FT4),free triiodothyronine (FT3) and thyrotropin receptor antibody (TRAB). GD patients with active disease showed higher IL-37 mRNA and serum protein levels compared with those with inactive disease as well as HC. Moreover, IL-37 suppressed the production of IL-6, IL-17 and TNF-α in PBMCs of patients with GD. Increased level of IL-37 in patients with GD are associated with TNF-α, IL-6, IL-17 and disease activity, and it plays a protective role against inflammatory effect in GD by inhibiting the production of proinflammatory cytokines. Thus, IL-37 may provide a novel research target for the pathogenesis and therapy of GD.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0107183</identifier><identifier>PMID: 25226272</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Adult ; Biology ; Biology and Life Sciences ; Blood ; Case-Control Studies ; Cytokines ; Cytokines - blood ; Cytokines - genetics ; Cytokines - metabolism ; Disease ; Endocrinology ; Enzyme-linked immunosorbent assay ; Female ; Gene Expression ; Gene Expression Regulation ; Graves Disease - diagnosis ; Graves Disease - genetics ; Graves Disease - metabolism ; Graves' disease ; Humans ; Hyperthyroidism ; Immunoassay ; Immunology ; Immunotherapy ; Inflammation ; Inflammation Mediators - metabolism ; Interleukin 1 ; Interleukin 17 ; Interleukin 6 ; Interleukin-1 - blood ; Interleukin-1 - genetics ; Interleukin-1 - metabolism ; Leukocytes (mononuclear) ; Leukocytes, Mononuclear - metabolism ; Lupus ; Male ; Medical research ; Medicine ; Middle Aged ; Pathogenesis ; Pathogens ; Patients ; Peripheral blood mononuclear cells ; Polymerase chain reaction ; Psoriasis ; Reverse transcription ; RNA, Messenger - genetics ; RNA, Messenger - metabolism ; Rodents ; Studies ; Thyroid gland ; Thyroid hormones ; Thyroid-stimulating hormone ; Thyroxine ; TNF inhibitors ; Triiodothyronine ; Tumor necrosis factor-TNF ; Tumor necrosis factor-α ; Weight control ; Young Adult</subject><ispartof>PloS one, 2014-09, Vol.9 (9), p.e107183-e107183</ispartof><rights>2014 Li et al. 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However, the expression and role of IL-37 in Graves' disease (GD) remains unknown. This study aims to measure the levels of serum and peripheral blood mononuclear cells (PBMCs) IL-37 in patients with Graves' disease and to examine its association with disease activity. Furthermore, we investigate the effect of IL-37 on proinflammatory cytokines involved in the pathogenesis of GD. The expressions of IL-37, TNF-α, IL-6, and IL-17 mRNA in peripheral blood mononuclear cells (PBMCs) of 40 patients with Graves' disease were determined by real-time reverse transcription-polymerase chain reaction (RT-PCR), and the levels of IL-37, TNF-α, IL-6, and IL-17 in serum were detected by enzyme-linked immunoassay (ELISA). The correlation of serum IL-37 levels with cytokines and disease activity in Graves' disease patients were investigated. The expressions of cytokines TNF-α, IL-6, and IL-17 in PBMCs under recombinant IL-37 stimulation were determined by RT-PCR and ELISA respectively. The levels of IL-37, TNF-α, IL-6, and IL-17 in PBMCs and serum were significantly increased in patients with GD compared with healthy controls (HC). Serum IL-37 were closely correlated with TNF-α, IL-6, IL-17, thyrotropin (TSH), free thyroxine (FT4),free triiodothyronine (FT3) and thyrotropin receptor antibody (TRAB). GD patients with active disease showed higher IL-37 mRNA and serum protein levels compared with those with inactive disease as well as HC. Moreover, IL-37 suppressed the production of IL-6, IL-17 and TNF-α in PBMCs of patients with GD. Increased level of IL-37 in patients with GD are associated with TNF-α, IL-6, IL-17 and disease activity, and it plays a protective role against inflammatory effect in GD by inhibiting the production of proinflammatory cytokines. 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blood</topic><topic>Cytokines - genetics</topic><topic>Cytokines - metabolism</topic><topic>Disease</topic><topic>Endocrinology</topic><topic>Enzyme-linked immunosorbent assay</topic><topic>Female</topic><topic>Gene Expression</topic><topic>Gene Expression Regulation</topic><topic>Graves Disease - diagnosis</topic><topic>Graves Disease - genetics</topic><topic>Graves Disease - metabolism</topic><topic>Graves' disease</topic><topic>Humans</topic><topic>Hyperthyroidism</topic><topic>Immunoassay</topic><topic>Immunology</topic><topic>Immunotherapy</topic><topic>Inflammation</topic><topic>Inflammation Mediators - metabolism</topic><topic>Interleukin 1</topic><topic>Interleukin 17</topic><topic>Interleukin 6</topic><topic>Interleukin-1 - blood</topic><topic>Interleukin-1 - genetics</topic><topic>Interleukin-1 - metabolism</topic><topic>Leukocytes (mononuclear)</topic><topic>Leukocytes, Mononuclear - metabolism</topic><topic>Lupus</topic><topic>Male</topic><topic>Medical research</topic><topic>Medicine</topic><topic>Middle Aged</topic><topic>Pathogenesis</topic><topic>Pathogens</topic><topic>Patients</topic><topic>Peripheral blood mononuclear cells</topic><topic>Polymerase chain reaction</topic><topic>Psoriasis</topic><topic>Reverse transcription</topic><topic>RNA, Messenger - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Yanqun</au><au>Wang, Zi</au><au>Yu, Ting</au><au>Chen, Bingni</au><au>Zhang, Jinshun</au><au>Huang, Kunzhao</au><au>Huang, Zhong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Increased expression of IL-37 in patients with Graves' disease and its contribution to suppression of proinflammatory cytokines production in peripheral blood mononuclear cells</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2014-09-16</date><risdate>2014</risdate><volume>9</volume><issue>9</issue><spage>e107183</spage><epage>e107183</epage><pages>e107183-e107183</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Interleukin-37 (IL-37), a member of IL-1 family, is primarily an anti-inflammatory cytokine, which reduces systemic and local inflammation. However, the expression and role of IL-37 in Graves' disease (GD) remains unknown. This study aims to measure the levels of serum and peripheral blood mononuclear cells (PBMCs) IL-37 in patients with Graves' disease and to examine its association with disease activity. Furthermore, we investigate the effect of IL-37 on proinflammatory cytokines involved in the pathogenesis of GD. The expressions of IL-37, TNF-α, IL-6, and IL-17 mRNA in peripheral blood mononuclear cells (PBMCs) of 40 patients with Graves' disease were determined by real-time reverse transcription-polymerase chain reaction (RT-PCR), and the levels of IL-37, TNF-α, IL-6, and IL-17 in serum were detected by enzyme-linked immunoassay (ELISA). The correlation of serum IL-37 levels with cytokines and disease activity in Graves' disease patients were investigated. The expressions of cytokines TNF-α, IL-6, and IL-17 in PBMCs under recombinant IL-37 stimulation were determined by RT-PCR and ELISA respectively. The levels of IL-37, TNF-α, IL-6, and IL-17 in PBMCs and serum were significantly increased in patients with GD compared with healthy controls (HC). Serum IL-37 were closely correlated with TNF-α, IL-6, IL-17, thyrotropin (TSH), free thyroxine (FT4),free triiodothyronine (FT3) and thyrotropin receptor antibody (TRAB). GD patients with active disease showed higher IL-37 mRNA and serum protein levels compared with those with inactive disease as well as HC. Moreover, IL-37 suppressed the production of IL-6, IL-17 and TNF-α in PBMCs of patients with GD. Increased level of IL-37 in patients with GD are associated with TNF-α, IL-6, IL-17 and disease activity, and it plays a protective role against inflammatory effect in GD by inhibiting the production of proinflammatory cytokines. Thus, IL-37 may provide a novel research target for the pathogenesis and therapy of GD.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>25226272</pmid><doi>10.1371/journal.pone.0107183</doi><oa>free_for_read</oa></addata></record>
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ispartof PloS one, 2014-09, Vol.9 (9), p.e107183-e107183
issn 1932-6203
1932-6203
language eng
recordid cdi_plos_journals_1562422572
source MEDLINE; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; Free Full-Text Journals in Chemistry; Public Library of Science (PLoS)
subjects Adult
Biology
Biology and Life Sciences
Blood
Case-Control Studies
Cytokines
Cytokines - blood
Cytokines - genetics
Cytokines - metabolism
Disease
Endocrinology
Enzyme-linked immunosorbent assay
Female
Gene Expression
Gene Expression Regulation
Graves Disease - diagnosis
Graves Disease - genetics
Graves Disease - metabolism
Graves' disease
Humans
Hyperthyroidism
Immunoassay
Immunology
Immunotherapy
Inflammation
Inflammation Mediators - metabolism
Interleukin 1
Interleukin 17
Interleukin 6
Interleukin-1 - blood
Interleukin-1 - genetics
Interleukin-1 - metabolism
Leukocytes (mononuclear)
Leukocytes, Mononuclear - metabolism
Lupus
Male
Medical research
Medicine
Middle Aged
Pathogenesis
Pathogens
Patients
Peripheral blood mononuclear cells
Polymerase chain reaction
Psoriasis
Reverse transcription
RNA, Messenger - genetics
RNA, Messenger - metabolism
Rodents
Studies
Thyroid gland
Thyroid hormones
Thyroid-stimulating hormone
Thyroxine
TNF inhibitors
Triiodothyronine
Tumor necrosis factor-TNF
Tumor necrosis factor-α
Weight control
Young Adult
title Increased expression of IL-37 in patients with Graves' disease and its contribution to suppression of proinflammatory cytokines production in peripheral blood mononuclear cells
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