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Pimecrolimus increases the expression of interferon-inducible genes that modulate human coronary artery cells proliferation

Hussner, Janine and Sünwoldt, Juliane and Seibert, Isabell and Gliesche, Daniel G. and Meyer zu Schwabedissen, Henriette E.. (2016) Pimecrolimus increases the expression of interferon-inducible genes that modulate human coronary artery cells proliferation. European Journal of Pharmacology, 784. pp. 137-146.

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Official URL: http://edoc.unibas.ch/43322/

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Abstract

The pharmacodynamics of the loaded compounds defines clinical failure or success of a drug-eluting device. Various limus derivatives have entered clinics due to the observed positive outcome after stent implantation, which is explained by their antiproliferative activity resulting from inhibition of the cytosolic immunophilin FK506-binding protein 12. Although pimecrolimus also binds to this protein, pimecrolimus-eluting stents failed in clinics. However, despite its impact on T lymphocytes little is known about the pharmacodynamics of pimecrolimus in cultured human coronary artery cells. We were able to show that pimecrolimus exerts antiproliferative activity in human smooth muscle and endothelial cells. Furthermore in those cells pimecrolimus induced transcription of interferon-inducible genes which in part are known to modulate cell proliferation. Modulation of gene expression may be part of an interaction between calcineurin, the downstream target of the pimecrolimus/FK506-binding protein 12-complex, and the toll-like receptor 4. In accordance are our findings showing that silencing of toll-like receptor 4 by siRNA in A549 a lung carcinoma cell line reduced the activation of interferon-inducible genes upon pimecrolimus treatment in those cells. Based on our findings we hypothesize that calcineurin inhibition may induce the toll-like receptor 4 mediated activation of type I interferon signaling finally inducing the observed effect in endothelial and smooth muscle cells. The crosstalk of interferon and toll-like receptor signaling may be a molecular mechanism that contributed to the failure of pimecrolimus-eluting stents in humans.
Faculties and Departments:05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Biopharmacy (Meyer zu Schwabedissen)
UniBasel Contributors:Meyer zu Schwabedissen, H. and Hussner, Janine and Seibert, Isabell
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Elsevier
ISSN:0014-2999
e-ISSN:1879-0712
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:15 Aug 2019 14:02
Deposited On:08 Dec 2016 07:44

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