Figure 1.

Overview of the new application of Leukocyte Reduction Filters (LRFs). Discarded LRFs are an economic source of viable functional cells and bioactive molecules that can play a role in basic research, animal models, cell therapy and tissue engineering.

B/T Ly: lymphocytes B and T, LRF: leuko-reduction filter, Mono: monocytes, RBCs: red blood cells, WBCs: white blood cells, BDNF; Brain Derived Neurotrophic Factor, FGFs; Fibroblast Growth Factor, HGF; Hepatocyte Growth Factor, IGFs; Insulin-Like Growth Factor, VEGFs ;Vascular Endothelial Derived Growth Factor, TGFβ; Transforming Growth Factor Beta, IL-6; Interleukin 6, IL-10; Interleukin 10, IL-27; Interleukin 27, IL-17E; Interleukin 17, IL-13; Interleukin 13, IL-9; Interleukin 9, IL-1; Interleukin-1, Ang; Angiopoietin, GM-CSF; Granulocyte Macrophage CSF, SCF; Stem Cell Factor, SDF-1; Stromal Cell-Derived Factor 1, TSG-6; (TNF)-Stimulated Gene-6.