Translocation of a calcium-permeable cation channel induced by insulin-like growth factor-I
Author: ["Makoto Kanzaki","You-Qing Zhang*","Hirosato Mashima*","Lu Li*","Hiroshi Shibata*","Itaru Kojima"]
Publication: Nature Cell Biology
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Abstract
Calcium plays a critical part in the regulation of cell growth, and growth factors stimulate calcium entry into cells through calcium-permeable channels. However, the molecular nature and regulation of calcium-permeable channels are still unclear at present. Here we report the molecular characterization of a calcium-permeable cation channel that is regulated by insulin-like growth factor-I (IGF-I). This channel, which we name growth-factor-regulated channel (GRC), belongs to the TRP-channel family and localizes mainly to intracellular pools under basal conditions. Upon stimulation of cells by IGF-I, GRC translocates to the plasma membrane. Thus, IGF-I augments calcium entry through GRC by regulating trafficking of the channel.
Cite this article
Kanzaki, M., Zhang*, YQ., Mashima*, H. et al. Translocation of a calcium-permeable cation channel induced by insulin-like growth factor-I. Nat Cell Biol 1, 165–170 (1999). https://doi.org/10.1038/11086
