[Action of erucic and palmitic acids on rat cardiac myoblasts in primary cell culture. An ultrastructural study (author's transl)].

Primary cultures of beating myocardial cells of neonatal rat are taken in order to observe the ultrastructural modifications caused by certain long chain fatty acids (erucic acid C22 : 1 and palmitic acid C16 : 0). Reference cultures are established and observed at the same time as the others. The eurcic acid create an intense steatosis, on the opposite palmitic acid does not. On the contrary the transormations of certain cellular organites such as mitochondria, dictyosomes, rough endoplasmic reticulum and ribosomes are observed in both cases.