Sentence:  We characterized <WSD>TETS</WSD> as an activator of spontaneous Ca2+ oscillations and electrical burst discharges in mouse hippocampal neruonal cultures at 1317 days in vitro using FLIPR Fluo-4 fluorescence measurements and extracellular microelectrode array recording. 
Meaning of the word marked with <WSD> tags:  (initialism) tetramethylenedisulfotetramine.