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Actin Chromobody: Visualization of actin dynamics – NOT alteration

Posted by Christoph Eckert on Feb 20, 2017 1:21:56 PM

Everybody really wants to use a detection probe that does not influence its target. For measurement of actin and actin-related functions there are a number of actin visualization probes and techniques available that researchers can select. Hence, one should only apply such actin visualization probes, which do not alter actin dynamics. How do the actin probes for visualization perform? Which probes do interfere with function and which probes do not? Robert Grosse and his team from the Institute of Pharmacology at the Biochemical-Pharmacological Center (BPC), University of Marburg, Germany took the effort and systematically looked into detection technologies of actin filaments in order to avoid potential pitfalls. In the recently published mini review/poster “Actin Visualization at a Glance” (Melak et al. 2017) they have discussed the pros and cons of current probes to visualize actin filaments, i.e. Phalloidin, LifeAct, Utrophin, F-tractin, SiR-actin, GFP-actin, tagged actin, and Actin Chromobody® (see table 1 and figure 1 below). 

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Topics: Chromobodies, Actin Chromobody, cytoskeleton, Actin, live cell imaging

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