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Brief Communication

Nature Methods 4, 127–129 (1 February 2007) | doi:10.1038/nmeth1009

Improved calcium imaging in transgenic mice expressing a troponin C|[ndash]|based biosensor

Nicola Heim , Olga Garaschuk , Michael W Friedrich , Marco Mank , Ruxandra I Milos , Yury Kovalchuk , Arthur Konnerth & Oliver Griesbeck

Fluorescent Ca2+ indicator proteins (FCIPs) are attractive tools for studying Ca2+ dynamics in live cells. Here we describe transgenic mouse lines expressing a troponin C (TnC)-based biosensor.