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s of Fifth International Congress on Pharmacology (San Francisco 1972) 350, p. 59.  G. DOTEVALL, S.E. LINDELL and H… Expand This study examined the intracellular mechanisms for the regulation of tyrosine hydroxylase in the tuberoinfundibular… Expand The influence of drugs affecting the turnover and levels of histamine in brain and histamine antagonists on pentetrazole (PTZ… Expand The effects of experimentally produced hypoprolactinemia and hyperprolactinemia on tyrosine hydroxylase (TH) mRNA signal levels… Expand Endogenous opioids stimulate PRL release in the rat during proestrus, stress, and lactation. This study investigated the… Expand Abstract: Selective modification of the tetrahydrobiopterin levels in cultured chromaffin cells were followed by changes in the… Expand Abstract The half-life of histamine in the rat brain was measured by two independent techniques. Intravenous injection of… Expand Abstract Brocresine (NSD 1055) is rapidly metabolized in vivo. The probable metabolites are 4-bromo-3-hydroxy-benzyl alcohol, 4… Expand Abstract— Administration of l‐histidine at the rate of 500 mg/kg induced an increase of nearly 50 per cent in the level of… Expand —Properties of the histamine‐forming enzyme in rat brain were studied, utilizing a sensitive fluorometric assay. The optimum pH… Expand