CD40-mediated activation of chronic lymphocytic leukemia cells promotes their CD44-dependent adhesion to hyaluronan and restricts CCL21-induced motility.

Girbl T, Hinterseer E, Grössinger EM, Asslaber D, Oberascher K, Weiss L, Hauser-Kronberger C, Neureiter D, Kerschbaum H, Naor D, Alon R, Greil R, Hartmann TN.

http://www.ncbi.nlm.nih.gov/pubmed/23117883