INTERLEUKIN 1‐BETA (IL‐1) EXPOSURE SIGNIFICANTLY UPREGULATES NEUROTROPHIN GENE EXPRESSION FOR BRAIN‐DERIVED NEUROTROPHIC FACTOR, NEUROTROPHIN 3 AND NEUROPILIN 2 DURING 3D CULTURE OF HUMAN ANNULUS CELLS: GP90. Gruber, Helen; Hoelscher, Gretchen; Bethea, Synthia; More Gruber, Helen; Hoelscher, Gretchen; Bethea, Synthia; Hanley, Edward Less Spine Journal Meeting Abstracts. :, October 2011. Favorites PDF Get Content & Permissions Free