Choline and Ethanolamine Kinase Activity in the Cytoplasm of Nerve Endings from Rat Forebrain
In brain tissue there are two pathways by which choline and ethanolamine can be incorporated into a lipid-bound form. The first is the cytidine pathway originally described by Kennedy and Weiss (1956) for liver and the second, though it is probably a minor pathway, is a calciummediated exchange where the base is exchanged with that of an intact phospholipid (Ansell & Spanner, 1966; Porcellati, et al., 1971; Kanfer, 1972). In this account the first step of the cytidine pathway will be discussed in detail and in particular, this step in the nerve endings of brain.
KeywordsNerve Ending Intracerebral Injection Synaptosomal Membrane Choline Kinase Synaptosomal Preparation
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