More recently, the plasma of patients with cardiovascular disease was shown to contain a novel biomarker—chitinase‐3‐like‐1 (CHI3L1, in mice), also known as YKL‐40 or BRP‐3912, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 in humans. The gene discussed is CHI3L1; the disease is cardiovascular disorder.