... cytoskeleton protein (tubulin) in these cells as the internal controlproteins. The calnexin and tubulin levels were found tobe similar between these cells, confirming that the sameamount of protein was ... Synoviolin, strongly suggesting that nicastrin is the substrate of Synoviolin. Interestingly, amyloid b -protein generation was increased bythe overexpression of Synoviolin, although the nicastrin ... cellsurface protein) [22] and anti-elF3f IgG (as a control for the cyto-solic protein) [32]. imNCT, immature NCT; mNCT, mature NCT; mintegrin b1, mature integrin b1; im integrin b1, immature integrinb1....