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3. Elevation of cerebrospinal fluid choline levels by nicotinamide involves the enzymatic formation of N1-methylnicotinamide in brain tissue. Vargas HM, Jenden DJ. Life Sci; 1996; 58(22):1995-2002. PubMed ID: 8637429 [Abstract] [Full Text] [Related]
4. Synergistic effect of nicotinamide and choline administration on extracellular choline levels in the brain. Köppen A, Klein J, Holler T, Löffelholz K. J Pharmacol Exp Ther; 1993 Aug; 266(2):720-5. PubMed ID: 8355203 [Abstract] [Full Text] [Related]
5. Release of choline from rat brain under hypoxia: contribution from phospholipase A2 but not from phospholipase D. Klein J, Holler T, Cappel E, Köppen A, Löffelholz K. Brain Res; 1993 Dec 10; 630(1-2):337-40. PubMed ID: 8118702 [Abstract] [Full Text] [Related]
9. Acetylcholine release and choline availability in rat hippocampus: effects of exogenous choline and nicotinamide. Köppen A, Klein J, Erb C, Löffelholz K. J Pharmacol Exp Ther; 1997 Sep 10; 282(3):1139-45. PubMed ID: 9316819 [Abstract] [Full Text] [Related]
14. Free choline and choline metabolites in rat brain and body fluids: sensitive determination and implications for choline supply to the brain. Klein J, Gonzalez R, Köppen A, Löffelholz K. Neurochem Int; 1993 Mar 10; 22(3):293-300. PubMed ID: 8443570 [Abstract] [Full Text] [Related]
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