ciguatoxins has been researched along with Glioma* in 2 studies
2 other study(ies) available for ciguatoxins and Glioma
Article | Year |
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Ciguatoxin, extracted from poisonous morays eels, causes sodium-dependent calcium mobilization in NG108-15 neuroblastoma x glioma hybrid cells.
Measurement of intracellular Ca2+ concentration ([Ca2+]i) in cultured mouse NG108-15 neuroblastoma x glioma hybrid cells, using the fluorescent probe fura-2, revealed that 5-25 nM ciguatoxin (CTX) increased [Ca2+]i either in cells bathed in standard medium or after removal of external Ca2+ by a Ca(2+)-free medium supplemented with EGTA. Tetrodotoxin prevented the CTX increased [Ca2+]i suggesting that CTX-induced mobilization of intracellular Ca2+ depends on Na+ influx through voltage-gated Na channels. CTX-induced Ca2+ mobilization prevented subsequent action of bradykinin (1 microM) suggesting that CTX stimulates the inositol 1,4,5-trisphosphate-releasable Ca2+ store. Topics: Animals; Bradykinin; Calcium; Ciguatoxins; Eels; Fluorometry; Fura-2; Glioma; Hybrid Cells; Mice; Neuroblastoma; Rats; Sodium; Tetrodotoxin; Tumor Cells, Cultured | 1993 |
Tetrodotoxin-sensitive ciguatoxin effects on quantal release, synaptic vesicle depletion, and calcium mobilization.
Topics: Animals; Calcium; Ciguatoxins; Glioma; Hybrid Cells; Mice; Neuroblastoma; Neurotransmitter Agents; Rats; Synaptic Vesicles; Tetrodotoxin; Tumor Cells, Cultured | 1991 |