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http://purl.uniprot.org/citations/23457489http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/23457489http://www.w3.org/2000/01/rdf-schema#comment"Clusterin (CLU) is a stress-activated chaperone, which plays an important role in cancer development and progression through promoting cell survival. However, the exact mechanism of how CLU exerts its cell protective role under ER stress condition is still unclear. Therefore, in order to explore the molecular mechanisms by which CLU inhibited ER stress-induced apoptosis, HCC cell lines were treated with tunicamycin (TN), an ER stress inducer. We found that the expressions of both CLU and GRP78 were increased after TN treatment. Knockdown of CLU expression in SMMC7721 and HCCLM3 cells inhibited GRP78 expression after TN treatment and enhanced ER stress-induced apoptosis, whereas over-expression of CLU in HepG2 cells increased GRP78 expression after TN induction and abolished the effect of TN on cell apoptosis. Furthermore, knockdown of GRP78 expression in CLU-HepG2 cells abrogated the protective role of CLU under ER stress condition. Co-immunoprecipitation (co-IP) and confocal microscopy experiments confirmed the direct interaction between CLU and GRP78 under ER stress condition. The effect of CLU knockdown on GRP78 expression and cell apoptosis in HCC tumors were further determined in orthotopic xenograft tumor model. Knockdown of CLU expression in HCCLM3 cells inhibited GRP78 expression in tumor tissues, accompanied with increased number of apoptotic cancer cells. Moreover, the correlation between CLU and GRP78 expression was further determined in clinical HCC specimens. Taken together, these findings reveal that CLU protects HCC cells from ER stress induced apoptosis at least partially through interacting with GRP78."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.org/dc/terms/identifier"doi:10.1371/journal.pone.0055981"xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Gao D."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Guo K."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Liu Y."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Li Y."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Sun C."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Wang C."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Zhang Q."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Sun L."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Zhang S."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Jiang K."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/author"Kang X."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/date"2013"xsd:gYear
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/name"PLoS One"xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/pages"e55981"xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/title"Clusterin protects hepatocellular carcinoma cells from endoplasmic reticulum stress induced apoptosis through GRP78."xsd:string
http://purl.uniprot.org/citations/23457489http://purl.uniprot.org/core/volume"8"xsd:string
http://purl.uniprot.org/citations/23457489http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/23457489
http://purl.uniprot.org/citations/23457489http://xmlns.com/foaf/0.1/primaryTopicOfhttps://pubmed.ncbi.nlm.nih.gov/23457489
http://purl.uniprot.org/uniprot/#_A0A384NKS6-mappedCitation-23457489http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/23457489
http://purl.uniprot.org/uniprot/#_B4DW11-mappedCitation-23457489http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/23457489
http://purl.uniprot.org/uniprot/#_B4DEF7-mappedCitation-23457489http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/23457489
http://purl.uniprot.org/uniprot/#_P20029-mappedCitation-23457489http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/23457489