Figure 1From: Therapeutic concentrations of glucagon-like peptide-1 in cerebrospinal fluid following cell-based delivery into the cerebral ventricles of catsIllustration of cell encapsulation technology. Cells are embedded within a polymeric matrix, which is surrounded by an outer cell-free capsule. Smaller molecules diffuse through the capsule, while at the same time, larger proteins and cells are excluded.Back to article page