CCL2 and obesity due to melanocortin 4 receptor deficiency: Other chemokines include but not limited to CCL2 (MCP-1), CCL3 (MIP-1α), CCL4 (MIP-1β), CCL19, CXCL1, CXCL8 or IL-8, CXCL10, and CXCL12 also play an important role in obesity and cancer immunotherapy [70,71].