In direct ELISAs, less than 1% cross-reactivity with recombinant mouse (rm) TREM1, rmTREM2b, and rmTREM3 is observed. Reconstitute at 0.2 mg/mL in sterile PBS. HBEGF is a growth factor that mediates its effects via EGFR, ERBB2 and ERBB4. It is required f