Catherine Dippel

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BACKGROUND An imbalance of tryptophan metabolites plays a role in the pathophysiology of schizophrenia. Also cytokines seem to be involved and are able to enhance the tryptophan metabolism. In this study the impact of cytokines, tryptophan metabolites and antipsychotics was evaluated in schizophrenic patients/ healthy controls and correlated with the(More)
Four healthy young men were studied to explore the effects of dietary leucine intake on plasma levels of leucine,isoleucine and valine. Leucine-, valine-, leucine-valine-, and leucine-isoleucine-valine-free amino acid mixtures were studied during four-day experimental diet periods. The effects of giving amino acid mixtures with high-carbohydrate, low-fat or(More)
The aim of the present study was to assess the role of cholecystokinin and neurotensin in converting the cyclical interdigestive pattern of pancreatic secretion into the non-cyclical fed pattern. Six healthy male volunteers were studied on 4 separate days. During each experiment a mixed liquid meal or solutions of individual nutrients were perfused(More)
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