Manipulation of central serotin (5HT) activity are among the most common pharmacological treatments for psychiatric, including depression and anxiety. These treatments enhance brain serotin activity either by promoting the synthesis and release of 5HT (e.g., fenfluramine) or by potenting 5HT activity in the synaptic junction between neurons (e.g., the selective-serotine reuptake inhibitors). Although the effects of these commonly used 5HT agonists on emotional processes widely explored in humans. Data from a preliminary study suggests that augmentation of central serotonin release by fenfluramine results in impaired working memory function in normal adults. Such neurocognitive effects are important to identify in order to better-understand (a) the overall neurobehavioral profile of commonly used therapeutic agents, and (b) the neurophysiological bases of congnition and emotion in healthy versus emotionaly-disordered individuals. This study proposes to address these issues by prospectively measuring cognitive and emotional changes in normal individuals following acute tryptophan depletion, placebo, and acute tryptophan augmentation.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
General Clinical Research Centers Program (M01)
Project #
5M01RR000400-34
Application #
6567456
Study Section
National Center for Research Resources Initial Review Group (RIRG)
Project Start
2001-12-01
Project End
2002-11-30
Budget Start
Budget End
Support Year
34
Fiscal Year
2002
Total Cost
Indirect Cost
Name
University of Minnesota Twin Cities
Department
Type
DUNS #
168559177
City
Minneapolis
State
MN
Country
United States
Zip Code
55455
Harbin, Michelle M; Zavala, Hanan; Ryder, Justin R et al. (2018) Associations of sex, age and adiposity in endothelium-independent dilation in children. Physiol Meas 39:045002
Arikawa, Andrea Y; Kaufman, Beth C; Raatz, Susan K et al. (2018) Effects of a parallel-arm randomized controlled weight loss pilot study on biological and psychosocial parameters of overweight and obese breast cancer survivors. Pilot Feasibility Stud 4:17
Foster, Eric D; Bridges, Nancy D; Feurer, Irene D et al. (2018) Improved Health-Related Quality of Life in a Phase 3 Islet Transplantation Trial in Type 1 Diabetes Complicated by Severe Hypoglycemia. Diabetes Care 41:1001-1008
Ketterl, Tyler G; Chow, Eric J; Leisenring, Wendy M et al. (2018) Adipokines, Inflammation, and Adiposity in Hematopoietic Cell Transplantation Survivors. Biol Blood Marrow Transplant 24:622-626
Marwaha, A K; Panagiotopoulos, C; Biggs, C M et al. (2017) Pre-diagnostic genotyping identifies T1D subjects with impaired Treg IL-2 signaling and an elevated proportion of FOXP3+IL-17+ cells. Genes Immun 18:15-21
Ostrem, Joseph D; Evanoff, Nicholas G; Ryder, Justin R et al. (2017) High-flow-mediated constriction in adults is not influenced by biomarkers of cardiovascular and metabolic risk. J Clin Ultrasound 45:35-42
Nelson, Brent G; Bassett, Danielle S; Camchong, Jazmin et al. (2017) Comparison of large-scale human brain functional and anatomical networks in schizophrenia. Neuroimage Clin 15:439-448
Writing Committee for the Type 1 Diabetes TrialNet Oral Insulin Study Group; Krischer, Jeffrey P; Schatz, Desmond A et al. (2017) Effect of Oral Insulin on Prevention of Diabetes in Relatives of Patients With Type 1 Diabetes: A Randomized Clinical Trial. JAMA 318:1891-1902
Kotlyar, Michael; Thuras, Paul; Hatsukami, Dorothy K et al. (2017) Sex differences in physiological response to the combination of stress and smoking. Int J Psychophysiol 118:27-31
Cole, Abigail J; Kuchnia, Adam J; Beckman, Lauren M et al. (2017) Long-Term Body Composition Changes in Women Following Roux-en-Y Gastric Bypass Surgery. JPEN J Parenter Enteral Nutr 41:583-591

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