• Berg, P.A. & Klein, R. (1987) Immunology of primary biliary cirrhosis. Balliére's Clin. Gastroenterol. 1, 675.
  • Berg, P.A. & Klein, R. (1989) Heterogeneity of antimitochondrial antibodies. Semin. Liver dis. 9, 103.
  • Berg, P.A., Klein, R., Lindenborn-Fotinos, J. & Kloppel, G. (1982) ATPase associated antigen (M2): marker antigen for serological diagnosis of primary biliary cirrhosis. Lancet, ii, 1423.
  • Bahnak, B.R. & Gold, A.H. (1982) Isolation and characterization of liver glycogen synthase from diabetic rats. Arch. Biochem. Biophys. 213, 492.
  • Bergmeyer, H.U., Grassl, M. & Walter, H.E. (1983) Enzymes. In Methods of Enzymatic Analysis (ed. by H.U.Bergmeyer) 3rd edn. Vol. 2. p. 126. VCH. Weinheim .
  • Coppel, R.L., McNeilage, L.J., Surh, CD., van de Water, J., Spithill, T.W., Whittingham, S. & Gershwin, E. (1988) Primary structure of the human M2 mitochondrial autoantigen of primary biliary cirrhosis: dihydrolipoamide acetyltransferase. Proc. natl Acad. Sci. USA. 85, 7317.
  • Fletterick, R.J. & Madsen, N.B. (1980) The structures and related functions of phosphorylase a. Annu. Rev. Biochem. 49, 31.
  • Fussey, S.P.M., Bassendine, M.F., Fittes, D., Turner, I.B., James, O.F.W. & Yeaman, S.J. (1989) The El alpha and beta subunits of the pyruvate dehydrogenase complex are M2dD and M2e auloanti-gens in primary biliary cirrhosis. Clin. Sci. 77, 365).
  • Fussey, S.P.M., Guest, J.R., James, O.F.W., Bassendine, M.F. & Yeaman, S.J. (1988) Identification and analysis of the major M2-autoantigens in primary biliary cirrhosis. Proc. natl Acud. Sci. USA. 85, 8654.
  • Holmberg, D. & Coutinho, A. (1985) Natural antibodies and auloimmunity. Immunol. Today, 6, 356.
  • Klein, R. & Berg, P.A. (1988) Characterization of a new mitochondrial antigen/antibody system (M9/anti-M9) in patients with anti-M2 positive and anti-M2 negative primary biliary cirrhosis. Clin. exp. Immunol. 74, 68.
  • Klein, R., Kloppel, G., Fischer, R., Fintelmann, V., Müting, D. & Berg, P.A. (1988) The antimitochondrial antibody anti-M9. A marker for the diagnosis of early primary biliary cirrhosis. J. Hepatol. 6, 299.
  • Lindenborn-Fotinos, J., Sayers, T.J. & Berg, P.A. (1982) Mitochondrial antibodies in primary biliary cirrhosis. VI. Association of the complement-fixing antigen with a component of the mitochondrial Fl-ATPase complex. Clin. exp. Immunol. 50, 267.
  • Lindenborn-Fotinos, J., Baum, H. & Berg, P.A. (1985) Mitochondrial antibodies in primary biliary cirrhosis. Further characterization of the M2 antigen by immunoblotting, revealing species and non-species specific determinants. Hepatology, 5, 763.
  • Proux, D. & Dreyfus, J. (1973) Phosphorylase isoenzymes in tissues: prevalence of the liver type in man. Clin. chim. Acta. 48, 167.
  • Proux, D., Vibert, M., Meienhofer, M.C. & Dreyfus, J.C. (1974) The isozymes of phosphorylase in human and rabbit tissues. II. Electrofo-cusing in polyacrylamide gels. Clin. chim. Acta, 57, 211.
  • Roesler, W.J. & Khandelwal, R.L. (1986) Quantitalion of glycogen synthase and phosphorylase protein in mouse liver. Correlation between enzymatic protein and enzyme activity. Arch. Biochem. Biophys. 244, 397.
  • Surh, C.D., Danner, D.J., Ahmed, A., Coppel, R.L., Mackay. I.R. Dickson, E.R. & Gershwin, E. (1989) Reactivity of PBC sera with a human fetal liver cDNA clone of branched chain alpha-ketoacid dehydrogenase (BCKD) dihydrolipoamide acyltransferase, the 52 kD mitochondrial autoantigen. Hepatology, 9, 63.
  • Yeaman, S.J., Danner, D.J., Mutimer, D.J., Fussey, S.P.M., James. O.F.W. & Bassendine, M.F. (1988) Primary biliary cirrhosis: identification of two major M2 mitochondrial autoantigens. Lancet. 1, 1067.