期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 19, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/ijms19020439
关键词
zinc; ZnR; GPR39; zinc signaling; neuron; keratinocyte; epithelium; intestine; colon; bone
资金
- Israeli Science Foundation [891/14]
- Bi-National US Israel Science Foundation [2011126]
A distinct G-protein coupled receptor that senses changes in extracellular Zn2+, ZnR/GPR39, was found in cells from tissues in which Zn2+ plays a physiological role. Most prominently, ZnR/GPR39 activity was described in prostate cancer, skin keratinocytes, and colon epithelial cells, where zinc is essential for cell growth, wound closure, and barrier formation. ZnR/GPR39 activity was also described in neurons that are postsynaptic to vesicular Zn2+ release. Activation of ZnR/GPR39 triggers Gq-dependent signaling and subsequent cellular pathways associated with cell growth and survival. Furthermore, ZnR/GPR39 was shown to regulate the activity of ion transport mechanisms that are essential for the physiological function of epithelial and neuronal cells. Thus, ZnR/GPR39 provides a unique target for therapeutically modifying the actions of zinc in a specific and selective manner.
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