Exp Cell Res 1988 Jan 01;1741:279-81.

Effect of fibrillation on acetylcholinesterase mRNA in cultured embryonic rat myotubes.

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Acetylcholinesterase (AChE) and AChE mRNA were evaluated in spontaneously fibrillating myotubes derived from 20-day-old rat fetuses and in matched cultures in which fibrillation was prevented by adding tetrodotoxin on the fourth day of culture. On the eighth day of culture, the AChE activity of fibrillating and nonfibrillating cultures was 5332 and 1861 pmol ACh hydrolyzed min-1 dish-1, respectively (P less than 0.005). Total mRNA was essentially the same in fibrillating and nonfibrillating cultures (27.4 and 25.4 micrograms/dish, respectively). AChE mRNA was assessed by assaying the AChE produced by Xenopus oocytes microinjected with purified mRNA. The AChE produced by mRNA from fibrillating and nonfibrillating cultures was 0.46 and 0.10 pmol ACh hydrolyzed min-1 oocyte-1, respectively (P less than 0.005).

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Species referenced: Xenopus
Genes referenced: ache