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Characterization of acetylcholinesterase and butyrylcholinesterase forms in normal and dystrophic Lama2dy mouse heart

✍ Scribed by J. L. Gómez; M.T. Moral-Naranjo; F.J. Campoy; C.J. Vidal

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
152 KB
Volume
56
Category
Article
ISSN
0360-4012

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✦ Synopsis

In searching for possible differences in acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) forms of dystrophic heart, the properties of ChE species in normal (NH) and dystrophic Lama2 dy mouse heart (DH) were investigated. BuChE predominated over AChE. Loosely-and tightly-bound ChEs were released with saline (extract S 1 ) and saline-Triton X-100 buffers (S 2 ). About 50% of AChE, and 25% of BuChE, in NH or DH was measured in S 1 , and the rest in S 2 . Asymmetric AChE forms A 12 (15%) and A 8 lack of structural differences between ChE species in NH and DH indicates that, in contrast to the ChE forms in mouse skeletal muscle, the biosynthesis of ChE components in heart is not disturbed by dystrophy.

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