| http://purl.uniprot.org/citations/27002147 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/27002147 | http://www.w3.org/2000/01/rdf-schema#comment | "Human head and neck squamous cell carcinoma is a solid tumor malignancy associated with major morbidity and mortality. In this study, we determined that human head and neck squamous cell carcinoma-derived HSC-3 cells contain a subpopulation of cancer stem cells (CSCs) characterized by a high level of CD44v3 and aldehyde dehydrogenase-1 (ALDH1) expression. Importantly, matrix hyaluronan (HA) induces the up-regulation of stem cell markers that display the hallmark CSC properties. Histone methyltransferase, DOT1L, is also up-regulated by HA in CSCs (isolated from HSC-3 cells). Further analyses indicate that the stimulation of microRNA-10b (miR-10b) expression is DOT1L-specific and HA/CD44-dependent in CSCs. This process subsequently results in the overexpression of RhoGTPases and survival proteins leading to tumor cell invasion and cisplatin resistance. Treatment of CSCs with DOT1L-specific small interfering RNAs (siRNAs) effectively blocks HA/CD44-mediated expression of DOT1L, miR-10b production, and RhoGTPase/survival protein up-regulation as well as reduces tumor cell invasion and enhances chemosensitivity. CSCs were also transfected with a specific anti-miR-10b inhibitor to silence miR-10b expression and block its target functions. Our results demonstrate that the anti-miR-10 inhibitor not only decreases RhoGTPase/survival protein expression and tumor cell invasion, but also increases chemosensitivity in HA-treated CSCs. Taken together, these findings strongly support the contention that histone methyltransferase, DOT1L-associated epigenetic changes induced by HA play pivotal roles in miR-10 production leading to up-regulation of RhoGTPase and survival proteins. All of these events are critically important for the acquisition of cancer stem cell properties, including self-renewal, tumor cell invasion, and chemotherapy resistance in HA/CD44-activated head and neck cancer."xsd:string |
| http://purl.uniprot.org/citations/27002147 | http://purl.org/dc/terms/identifier | "doi:10.1074/jbc.m115.700021"xsd:string |
| http://purl.uniprot.org/citations/27002147 | http://purl.uniprot.org/core/author | "Wong G."xsd:string |
| http://purl.uniprot.org/citations/27002147 | http://purl.uniprot.org/core/author | "Shiina M."xsd:string |
| http://purl.uniprot.org/citations/27002147 | http://purl.uniprot.org/core/author | "Bourguignon L.Y."xsd:string |
| http://purl.uniprot.org/citations/27002147 | http://purl.uniprot.org/core/date | "2016"xsd:gYear |
| http://purl.uniprot.org/citations/27002147 | http://purl.uniprot.org/core/name | "J Biol Chem"xsd:string |
| http://purl.uniprot.org/citations/27002147 | http://purl.uniprot.org/core/pages | "10571-10585"xsd:string |
| http://purl.uniprot.org/citations/27002147 | http://purl.uniprot.org/core/title | "Up-regulation of Histone Methyltransferase, DOT1L, by Matrix Hyaluronan Promotes MicroRNA-10 Expression Leading to Tumor Cell Invasion and Chemoresistance in Cancer Stem Cells from Head and Neck Squamous Cell Carcinoma."xsd:string |
| http://purl.uniprot.org/citations/27002147 | http://purl.uniprot.org/core/volume | "291"xsd:string |
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