- Use of a cell-free system to determine UDP-N-acetylglucosamine 2-epimerase and N-acetylmannosamine kinase activities in human hereditary inclusion body myopathy. Sparks, S.E., Ciccone, C., Lalor, M., Orvisky, E., Klootwijk, R., Savelkoul, P.J., Dalakas, M.C., Krasnewich, D.M., Gahl, W.A., Huizing, M. Glycobiology (2005)