- Apolipoprotein (apo) E inhibits the capacity of monosodium urate crystals to stimulate neutrophils. Characterization of intraarticular apo E and demonstration of apo E binding to urate crystals in vivo. Terkeltaub, R.A., Dyer, C.A., Martin, J., Curtiss, L.K. J. Clin. Invest. (1991)