| Ornithine decarboxylase: Expression and regulation in rat brain and in transgenic mice | ||
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Protein concentrations were measured by the method of Lowry (Lowry et al. 1951) with bovine serum albumin as the standard (I, II, IV). Polymerase chain reaction and Southern analysis were accomplished (II, IV) according to standard procedures (Ausubel et al. 1993). For statistical analysis, the Student’s t-test was used (I).