1990 年 57 巻 6 号 p. 541-546
The immunohistochemicloacl alizatioonf Na+, K+-ATPase and calmodulin was investigated in rat heart muscle using antiserum against the catalytic subunit of the human kidney Na+, K+-ATPase and bovine testis calmodulinat the electronm icroscopilce ve. l Immunostaininfgo r both Na+, K+-ATPase and calmodulin was noted on the plasmam embranea nd plasmalemmal vesicleos f the vasculare ndotheliuman dc ardiacm usclecellsC. almoduliwna sa lsod etectedin t he cytoplasmT. hesei mmunohistochemicloacl alizationws ereevaluatedb y immunobloatn alyse. s Such localizatioonf Na+, K+-ATPase and calmodulinsu ggeststh at they mayp laya n important rolei n the regulation of Na+-Ca++ exchange across the cell membrane.