Abstract
To be able to migrate, leukocyte needs to re-use its adhesion molecules to move forward. These adhesion molecules are called integrins and are intracellularly transported via endocytosis and exocytosis in order to translocate to a new site on the cell membrane. The intracellular transportation is regulated by different small GTPases including RhoB. Here we describe an activation assay of RhoB in leukocytes migrating on ICAM-1Fc coated dishes using commercially available Rhoteikin coated agarose beads. Although this is a specific protocol for LFA-1 induced RhoB activation, it can also be used for RhoB activation induced by other soluble and insoluble factors.
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