This paper describes the methodology to determine the chemotactic response of leukocytes to specific ligands and identify interactions between the cell surface receptors and cytosolic proteins using live cell imaging techniques.
Jala, V. R., Haribabu, B. Real-time Imaging of Leukotriene B4 Mediated Cell Migration and BLT1 Interactions with β-arrestin. J. Vis. Exp. (46), e2315, doi:10.3791/2315 (2010).