Detection of pre‐s1 proteins in serum and liver of HBsAg‐positive patients: a new marker for hepatitis B virus infection
Lorenz Theilmann, Mo‐Quen Klinkert, Karl Gmelin, Jochen Salfeld, Heinz Schaller, Eberhard Pfaff – 1 March 1986 – The presence of pre‐S1 proteins in serum and liver of individuals with acuteand chronic hepatitis B virus infection was investigated in Western blots using antibodies against a fusion protein, containing amino acids 20—120 of the pre‐S region. Pre‐S1 proteins were present in 20 of 38 HBsAg‐positive sera.