CXCR7 Functions as a Scavenger for CXCL12 and CXCL11 (original) (raw)
Figure 5
Ligand-independent cycling of CXCR7 in zebrafish embryos.
In embryos expressing CXCR7-EGFP the receptor localizes at the plasma membrane (grey mark in lower panels) and intracellular vesicles (white dot). Time laps (time stamps) images shows that the vesicles are in contact with the membrane internalize and recycle back to the membrane. Internalization and cycling of CXCR7-EGF is similar in the presence (control–MO) or absence of CXCL12 (CXCL12–MO), underling the ligand independent mechanism. For the complete time laps see supplementary movies S1 cont and S2 CXCL12.