- Disease-specific cross-reactivity between mimicking peptides of heat shock protein of Mycobacterium gordonae and dominant epitope of E2 subunit of pyruvate dehydrogenase is common in Spanish but not British patients with primary biliary cirrhosis. Bogdanos, D.P., Pares, A., Baum, H., Caballeria, L., Rigopoulou, E.I., Ma, Y., Burroughs, A.K., Rodes, J., Vergani, D. J. Autoimmun. (2004)