2015
DOI: 10.1093/neuonc/nov042
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The metalloprotease-disintegrin ADAM8 contributes to temozolomide chemoresistance and enhanced invasiveness of human glioblastoma cells

Abstract: ADAM8 causes TMZ resistance in GBM cells by enhancing pAkt/PI3K, pERK1/2, and cleavage of CD44 and HGF R/c-met. Specific ADAM8 inhibition can optimize TMZ chemotherapy of GBM in order to prevent formation of recurrent GBM in patients.

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Cited by 56 publications
(51 citation statements)
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“…Synthetic fluorescence‐labelled peptides were used to monitor protease activities of ADAM8 in cell supernatants as previously described . Fluorescence was detected at emission 460 nm with excitation 355 nm on Turner Quantech IR Fluorometer (Cole‐Parmer, Vernon Hills, IL, USA).…”
Section: Methodsmentioning
confidence: 99%
“…Synthetic fluorescence‐labelled peptides were used to monitor protease activities of ADAM8 in cell supernatants as previously described . Fluorescence was detected at emission 460 nm with excitation 355 nm on Turner Quantech IR Fluorometer (Cole‐Parmer, Vernon Hills, IL, USA).…”
Section: Methodsmentioning
confidence: 99%
“…Using Kiloplex ELISA‐based array, we detected 38 proteins significantly accumulated in the supernatant of TMZ‐treated glioma cells and in the supernatant of MMP14‐overexpressing U87 glioma cells (Supplemental Tables S1 and S2) including MMP2, Plexin B3, Activin A, Draxin and DLL4. Among highly expressed proteins, the DLL4 was of most interest since it was the only one to be associated with negative prognosis un GBM patients: TMZ has no effect on secretion of MMP2 in A172 and U373 cells and recurrent GBM, Plexin B3 plays anti‐glioma role, inhibiting cell motility and does not correlate with GBM patient survival, similar to Activin A (using TCGA and Rembrandt databases) and Draxin (Kamoun, Murat, Ducray and Gravendeel databases, data not shown) expressions.…”
Section: Resultsmentioning
confidence: 98%
“…Using Kiloplex ELISA-based array, we detected 38 proteins significantly accumulated in the supernatant of TMZ-treated glioma cells and in the supernatant of MMP14-overexpressing U87 glioma cells (Supplemental Tables S1 and S2) including MMP2, Plexin B3, Activin A, Draxin and DLL4. Among highly expressed proteins, the DLL4 was of most interest since it was the only one to be associated with negative prognosis un GBM patients 41 : TMZ has no effect on secretion of MMP2 in A172 and U373 cells 42 and recurrent GBM, 43 Plexin B3 plays anti-glioma role, 44 inhibiting cell motility and does not correlate with GBM patient survival, 45 similar to Activin A (using TCGA and Rembrandt databases) and DLL4 is a known ligand of Notch receptor Types 1 and 3, which stimulates release of Notch intracellular domain (NICD) by γ-secretase, followed by NICD nuclear translocation, 46 activation of transcription of genes such as HES 47 and promotion of stemness. 33,34 Treatment of U87 and GBM43 glioma cells with recombinant human DLL4 demonstrates white colocalization of signals from activated Notch3 (NICD3) and expression of MMP14 (Fig.…”
Section: Tmz-induced Mmp14 Promotes Glioma Stemness Via Dll4-notch3 Axismentioning
confidence: 99%
“…Primary cell lines (N5, N9, and N33) were derived from GBM patients who underwent surgery at Tiantan Hospital according to a protocol reported by Dong et al [24] EGFRvIII cell lines were generated via infection of the cells with lentiviruses expressing EGFRvIII (GV341-EGFRvIII) followed by puromycin selection. Primary cell lines (N5, N9, and N33) were derived from GBM patients who underwent surgery at Tiantan Hospital according to a protocol reported by Dong et al [24] EGFRvIII cell lines were generated via infection of the cells with lentiviruses expressing EGFRvIII (GV341-EGFRvIII) followed by puromycin selection.…”
Section: Methodsmentioning
confidence: 99%