Extracellular histones are the ligands for the uptake of exosomes and hydroxyapatite-nanoparticles by tumor cells via syndecan-4.
Ochieng J, Nangami G, Sakwe A, Rana T, Ingram S, Goodwin JS, Moye C, Lammers P, Adunyah SE. Extracellular histones are the ligands for the uptake of exosomes and hydroxyapatite-nanoparticles by tumor cells via syndecan-4. FEBS Lett. 2018 10; 592(19):3274-3285.