Imaging nuclear, endoplasmic reticulum, and plasma membrane events in real time
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Live cell imaging can provide important information on cellular dynamics; however, the full utilisation of this technology has been hampered by the limitations of imaging reagents. Metal-based complexes have the potential to overcome many of the issues common to many current imaging agents. The rhenium (I)-based complex fac-[Re(CO)3(1,10-phenanthroline)(4-pyridyltetrazolate)], herein referred to as ReZolve-ER™, shows promise as a live cell imaging agent with rapid cell uptake, low cytotoxicity, resistance to photobleaching and compatibility with multicolour imaging. ReZolve-ER™ localised to the nuclear membrane/endoplasmic reticulum (ER) and allowed the detection of exocytotic events at the plasma membrane. Thus, we present a new imaging agent for monitoring live cell events in real time, which is ideal for imaging either short- or long-time courses.
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