1. Conflicting reports exist as to the organ distribution of
betaine-homocysteine methyltransferase (EC 2.1.1.5). It is important to
establish its presence or absence in brain, since its substrate, betaine, has
recently become established in the treatment of certain diseases involving this
organ. 2. It remains unclear whether the reported success of this treatment
results from the use of betaine t... hiện toàn bộ