rdf:type |
|
lifeskim:mentions |
|
pubmed:issue |
7
|
pubmed:dateCreated |
2010-7-13
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pubmed:abstractText |
Cancer cells are relatively resistant to endoplasmic reticulum (ER) stress-induced apoptosis. However, the underlying mechanisms remain largely unclear. We observed that the microRNAs miR-221/222 are associated with apoptosis regulation under ER stress in human hepatocellular carcinoma (HCC) cells. Induction of ER stress does not trigger significant apoptosis but obviously causes downregulation of miR-221/222 in HCC cells. In these cells, ER stress-induced apoptosis is enhanced by miR-221/222 mimics and attenuated by miR-221/222 inhibitors. miR-221/222 promoted-apoptosis under ER stress is associated with p27(Kip1)- and MEK/ERK-mediated cell cycle regulation. Our results suggest that suppression of miR-221/222 plays a crucial role in the protection against apoptosis induced by ER stress in HCC cells.
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pubmed:language |
eng
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pubmed:journal |
|
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/CDKN1B protein, human,
http://linkedlifedata.com/resource/pubmed/chemical/Cyclin-Dependent Kinase Inhibitor...,
http://linkedlifedata.com/resource/pubmed/chemical/Extracellular Signal-Regulated MAP...,
http://linkedlifedata.com/resource/pubmed/chemical/Intracellular Signaling Peptides...,
http://linkedlifedata.com/resource/pubmed/chemical/MIRN221 microRNA, human,
http://linkedlifedata.com/resource/pubmed/chemical/MIRN222 microRNA, human,
http://linkedlifedata.com/resource/pubmed/chemical/MicroRNAs,
http://linkedlifedata.com/resource/pubmed/chemical/Mitogen-Activated Protein Kinase...
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pubmed:status |
MEDLINE
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pubmed:month |
Jul
|
pubmed:issn |
1437-4315
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pubmed:author |
|
pubmed:issnType |
Electronic
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pubmed:volume |
391
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
791-801
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pubmed:dateRevised |
2011-11-17
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pubmed:meshHeading |
pubmed-meshheading:20624000-Apoptosis,
pubmed-meshheading:20624000-Cell Cycle,
pubmed-meshheading:20624000-Cyclin-Dependent Kinase Inhibitor p27,
pubmed-meshheading:20624000-Endoplasmic Reticulum,
pubmed-meshheading:20624000-Extracellular Signal-Regulated MAP Kinases,
pubmed-meshheading:20624000-Humans,
pubmed-meshheading:20624000-Intracellular Signaling Peptides and Proteins,
pubmed-meshheading:20624000-MicroRNAs,
pubmed-meshheading:20624000-Mitogen-Activated Protein Kinase Kinases,
pubmed-meshheading:20624000-Oxidative Stress,
pubmed-meshheading:20624000-Tumor Cells, Cultured
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pubmed:year |
2010
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pubmed:articleTitle |
miR-221/222 suppression protects against endoplasmic reticulum stress-induced apoptosis via p27(Kip1)- and MEK/ERK-mediated cell cycle regulation.
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pubmed:affiliation |
Department of Biochemistry of Luzhou Medical College, Luzhou 646000, Sichuan, China.
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pubmed:publicationType |
Journal Article
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