Volker Henn

Induction, regulation, and function of soluble TRAP (CD40 ligand) during interaction of primary CD4+ CD45RA+ T cells with dendritic cells.

CD40 ligand on activated platelets triggers an inflammatory reaction of endothelial cells.

Activated platelets induce tissue factor expression on human umbilical vein endothelial cells by ligation of CD40.

The inflammatory action of CD40 ligand (CD154) expressed on activated human platelets is temporally limited by coexpressed CD40.

Ht31: the first protein kinase A anchoring protein to integrate protein kinase A and Rho signaling.

ICOS-ligand, expressed on human endothelial cells, costimulates Th1 and Th2 cytokine secretion by memory CD4+ T cells.

CD40 ligand is selectively expressed on CD4+ T cells and platelets: implications for CD40-CD40L signalling in atherosclerosis.

Identification of a novel A-kinase anchoring protein 18 isoform and evidence for its role in the vasopressin-induced aquaporin-2 shuttle in renal principal cells.

Compartmentalized cAMP signalling regulates vasopressin-mediated water reabsorption by controlling aquaporin-2.

Spatial organisation of AKAP18 and PDE4 isoforms in renal collecting duct principal cells.

Compartmentalization of cAMP-dependent signaling by phosphodiesterase-4D is involved in the regulation of vasopressin-mediated water reabsorption in renal principal cells.