Click on image to view larger version.

Fig. 4. mRNA in situ hybridization of TN-C. No signal for TN-C mRNA can be detected
in the skeletal muscle (cross-sectional section) either (A) after the
immobilization or (B) after the high-intensity treadmill running of eight
weeks, whereas in the tendon (longitudinal section) (C-E), mechanical loading
regulates the mRNA expression of TN-C. (C) A strong signal can be detected
from the normal Achilles tendon (longitudinal section), (D) the expression
almost disappears after the three-week immobilization, whereas (E) a strong
singal for TN-C mRNA is detectable after the high-intensity treadmill running
of eight weeks. Magnification x5.