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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2010-5-7
pubmed:abstractText
It has been hypothesized that interferon (IFN) alpha and beta cause autoimmune thyroid dysfunctions by changing the Th1/Th2 balance, but the mechanisms involved are not yet known. The aims of this study were: (a) to test the effect of IFNalpha, IFNbeta and IFNgamma on the secretion of the Th1 chemokines CXCL9 and CXCL10, in "primary cultures of human thyroid follicular cells" (TFC); (b) to assess the effect of PPARgamma activation on CXCL9 and CXCL10 secretion. In TFC, CXCL9 and CXCL10 were undetectable in the supernatant. IFNgamma, IFNalpha and IFNbeta, dose dependently induced CXCL9 and CXCL10 release. TNFalpha alone had no effect. The combination of each of the IFNs with TNFalpha had a significant synergistic effect on CXCL9 and CXCL10 secretion. Treatment of TFC with rosiglitazone dose dependently inhibited the IFNs-stimulated CXCL9 and CXCL10 release. Compared with IFNalpha and IFNbeta, IFNgamma was the most potent stimulus of CXCL9 and CXCL10 secretion. In conclusion, IFNalpha, IFNbeta, IFNgamma and TNFalpha (synergistically with IFNs) dose-dependently induce the release of CXCL9 and CXCL10 by TFC, suggesting that this process may be related, at least in part, to the appearance of thyroid dysfunction during IFNs therapy. Furthermore, PPARgamma activation partially inhibits this process.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
1096-0023
pubmed:author
pubmed:copyrightInfo
Copyright 2010 Elsevier Ltd. All rights reserved.
pubmed:issnType
Electronic
pubmed:volume
50
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
260-7
pubmed:meshHeading
pubmed:year
2010
pubmed:articleTitle
Interferon-alpha, -beta and -gamma induce CXCL9 and CXCL10 secretion by human thyrocytes: modulation by peroxisome proliferator-activated receptor-gamma agonists.
pubmed:affiliation
Department of Internal Medicine, University of Pisa, School of Medicine, Via Roma 67, Pisa, Italy. a.antonelli@med.unipi.it
pubmed:publicationType
Journal Article