http://purl.uniprot.org/citations/26254356 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
http://purl.uniprot.org/citations/26254356 | http://www.w3.org/2000/01/rdf-schema#comment | "Background/aimUterine leiomyosarcoma (Ut-LMS) is a highly metastatic smooth muscle neoplasm. We have previously reported that low molecular mass protein2 Lmp2-deficient mice spontaneously developed Ut-LMS, which implicated this protein as an anti-oncogenic candidate. We also suggested that LMP2 may negatively regulate Ut-LMS independently of its role in the proteasome. Initially described as a transcription factor able to activate the expression of interferon-gamma (IFN-γ)-responsive genes, interferon regulatory factor-1 (IRF1) has been shown to play roles in the immune response, and tumor suppression. The aim of this study was to elucidate the molecular mechanism of sarcomagenesis of Ut-LMS using human and mouse uterine tissues.Materials and methodsThe expression of the IFN-γ signal molecules, IRF1 and -2, STAT1, and LMP2, -3, -7 and -10 were examined by western blot analysis, electrophoretic mobility shift assay and immunohistochemistry in human and mouse uterine tissues. Physiological significance of IRF1 in sarcomagenesis of Ut-LMS was demonstrated by xenograft studies.ResultsIn the present study, several lines of evidence indicated that although treatment with IFN-γ strongly induced the activation of STAT1 as a transcriptional activator, its target molecule, IRF1, was not clearly produced in Lmp2-deficient uterine smooth muscle cells (Ut-SMCs).ConclusionDefective expression of IRF1 in the IFN-γ-induced signaling molecules may result in the malignant transformation of Ut-SMCs. The modulation of LMP2 may lead to new therapeutic approaches in human Ut-LMS."xsd:string |
http://purl.uniprot.org/citations/26254356 | http://purl.uniprot.org/core/author | "Hayashi T."xsd:string |
http://purl.uniprot.org/citations/26254356 | http://purl.uniprot.org/core/author | "Horiuchi A."xsd:string |
http://purl.uniprot.org/citations/26254356 | http://purl.uniprot.org/core/author | "Sano K."xsd:string |
http://purl.uniprot.org/citations/26254356 | http://purl.uniprot.org/core/author | "Yaegashi N."xsd:string |
http://purl.uniprot.org/citations/26254356 | http://purl.uniprot.org/core/author | "Konishi I."xsd:string |
http://purl.uniprot.org/citations/26254356 | http://purl.uniprot.org/core/date | "2015"xsd:gYear |
http://purl.uniprot.org/citations/26254356 | http://purl.uniprot.org/core/name | "Anticancer Res"xsd:string |
http://purl.uniprot.org/citations/26254356 | http://purl.uniprot.org/core/pages | "4665-4679"xsd:string |
http://purl.uniprot.org/citations/26254356 | http://purl.uniprot.org/core/title | "Uterine Leiomyosarcoma Tumorigenesis in Lmp2-deficient Mice: Involvement of Impaired Anti-oncogenic Factor IRF1."xsd:string |
http://purl.uniprot.org/citations/26254356 | http://purl.uniprot.org/core/volume | "35"xsd:string |
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