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Fig. 1. Expression pattern of DRAL/FHL-2 in cardiac and skeletal muscle. (A)
DRAL/FHL-2 is expressed only in cardiac muscle from adult mice. Immunoblots
with a polyclonal rabbit anti-DRAL/FHL-2 antibody on whole muscle samples of
adult mouse ventricle (lane 1), mouse tibialis anterior (fast twitch skeletal
muscle, lane 2) and mouse soleus (slow twitch skeletal muscle, lane 3) show a
band of the expected molecular weight of 34 kDa only in the heart. (B)
DRAL/FHL-2 expression is upregulated in fetal mouse heart. Immunoblots with a
polyclonal rabbit anti-DRAL/FHL-2 antibody on whole muscle samples of E12.5
(lane 1), E16.5 (lane 2), E18.5 (lane 3) and P0 (lane 4) heart show that
DRAL/FHL-2 is expressed in cardiomyocytes during late embryonic development
(upper panel). Equal amounts of heart tissue were loaded, as judged by the
expression of
-cardiac actin (bottom panel).