Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0017638 (glioma)
 30,880 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

SYF2 is thought to be a cell cycle regulator at the G1/S transition, which encodes a nuclear protein that interacts with cyclin D-type binding-protein 1. In the present study, we investigated the role of SYF2 in human glioma progression. Immunohistochemical and Western blot analyses were performed in human glioma tissues. High SYF2 expression (located in cell nuclei) was observed in 80 samples, and its level was correlated with the grade of malignancy. A strongly positive correlation was observed between SYF2 and Ki-67 expression (P < 0.01). More importantly, high expression of SYF2 was associated with a poor outcome. In vitro, after the release of U87 cell lines from serum starvation, the expression of SYF2 was upregulated, as well as PCNA and cyclin D1. In addition, knockdown of SYF2 by small interfering RNA transfection diminished the expression of PCNA, cyclin D1 and arrested cell growth at G1 phase. These results indicate that SYF2 in glioma is essential for cell proliferation; thus, targeting SYF2 or its downstream targets may lead to novel therapies for glioblastomas.
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PMID:Knocking down the expression of SYF2 inhibits the proliferation of glioma cells. 2498 81

Y-box binding protein 1 (YB-1) is manifested as its involvement in cell proliferation and differentiation and malignant cell transformation. Overexpression of YB-1 is associated with glioma progression and patient survival. The aim of this study is to investigate the influence of YB-1 knockdown on glioma cell progression and reveal the mechanisms of YB-1 knockdown on glioma cell growth, migration, and apoptosis. It was found that the knockdown of YB-1 decreased the mRNA and protein levels of YB-1 in U251 glioma cells. The knockdown of YB-1 significantly inhibited cell proliferation, colony formation, and migration in vitro and tumor growth in vivo. Proteome and phosphoproteome data revealed that YB-1 is involved in glioma progression through regulating the expression and phosphorylation of major proteins involved in cell cycle, adhesion, and apoptosis. The main regulated proteins included CCNB1, CCNDBP1, CDK2, CDK3, ADGRG1, CDH-2, MMP14, AIFM1, HO-1, and BAX. Furthermore, it was also found that YB-1 knockdown is associated with the hypo-phosphorylation of ErbB, mTOR, HIF-1, cGMP-PKG, and insulin signaling pathways, and proteoglycans in cancer. Our findings indicated that YB-1 plays a key role in glioma progression in multiple ways, including regulating the expression and phosphorylation of major proteins associated with cell cycle, adhesion, and apoptosis.
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PMID:Effect and mechanism of YB-1 knockdown on glioma cell growth, migration, and apoptosis. 3204 13