HBEGF and sarcoidosis: A study published in 2022 revealed significantly elevated plasma levels of IL-1RA (Interleukin-1 Receptor Antagonist), eNAMPT (Extracellular Nicotinamide Phosphoribosyltransferase), ANG-2 (angiotensin-2), IL-6, and HBEGF (Heparin-binding EGF-like growth factor) in patients with sarcoidosis, though not IL-8 levels [90].