A-actinin | definition of a-actinin by Medical dictionary
alpha-actinin (redirected from a-actinin)
An F-actin binding protein in vertebrate cells that cross-links actin filaments into regular parallel arrays. It is found in both the Z line and the I band of striated muscle.
References in periodicals archive
Positive staining of cardiac markers sarcomeric a-actinin
After 24 h, very small percentages of the cells treated with the extract and chromatin-modifying agents reacted with a-actinin and myosin heavy chain (2.
After 10 days, the extract-treated cells were able to express a-actinin and myosin heavy chain, but not the other markers.