This fluorescent microscopy image shows GPR45 (green) localized in the primary cilia (blue), where it facilitates the transport of Gαs (red) into the cilia of hypothalamic cells. [Image: UTSW]
[Photo: Credit: X-ray: NASA/CXO/Ponticifca Catholic University of Chile/F. Vito; Radio: ALMA (ESO/NAOJ/NRAO); Optical: Pan-STARRS -- Image courtesy of NASA]