Fig. 2. Expression of Hsp73 and Hsp72 following heat shock. (A) and (B) show representative one-dimensional sodium dodecyl sulfate—polyacrylamide gel electrophoresis (SDS-PAGE) western blots and the results of densitometric analyses of Hsp73 and Hsp72 expression, respectively, in turtle brain (B), heart (H), liver (L) and skeletal muscle (M) following heat shock. Values represent means ± S.E.M. of four replicate experiments and are expressed as absolute concentrations calculated from standard curves. Statistical significance (P<0.05) compared with the control is indicated by asterisks. Control western blots are shown in Fig. 3.

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