Inflammatory cytokines and chemokines production from four groups of islets. The amounts of released interleukin (IL)-6, granulocyte-colony stimulating factor (G-CSF), keratinocyte chemoattractant [KC; also known as chemokine (CXC motif) ligand 1 or CXCL1], Regulated upon Activation, Normal T-cell Expressed, and Secreted [RANTES; also known as chemokine (C-C motif) ligand 5 or CCL5], monocyte chemotactic protein-1 (MCP-1 or CCL2), and macrophage inflammatory protein-1 (MIP-1α or CCL3) from four groups of islets. *p < 0.05.