Anni I Lehikoinen1, Olli K Kärkkäinen2, Marko A S Lehtonen3, Seppo O K Auriola3, Kati J Hanhineva4, Seppo T Heinonen5. 1. Department of Pediatrics, University of Eastern Finland and Kuopio University Hospital, Finland. Electronic address: anni.lehikoinen@kuh.fi. 2. School of Pharmacy, University of Eastern Finland, Finland; Department of Forensic Psychiatry, University of Eastern Finland, Niuvanniemi Hospital, Finland; Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Finland. 3. School of Pharmacy, University of Eastern Finland, Finland. 4. Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Finland. 5. Department of Obstetrics and Gynecology, Helsinki and Kuopio University Hospital and University of Helsinki, Finland.
Abstract
BACKGROUND: Although the effects of alcohol on metabolic processes in the body have been studied widely, there do not appear to be any previous reports clarifying how substance abuse changes metabolic profiles of pregnant women during the first trimester of pregnancy. OBJECTIVE: Our aim was to evaluate the effect of substance abuse, especially alcohol use, on the metabolic profile of pregnant women during the first trimester. STUDY DESIGN: We applied mass spectrometry based non-targeted metabolite profiling of serum collected during routine visit to the hospital between gestational weeks 9 + 0 to 11 + 6 from controls (n = 55), alcohol users (n = 19), drug users (n = 24) and tobacco smokers (n = 40). RESULTS: We observed statistically significantly differences among the study groups in serum levels of glutamate, glutamine, and serotonin (p-values ≤ 0.0001). The serum levels of glutamate were increased in alcohol and drug using mothers when compared to the controls, whereas levels of glutamine were decreased in alcohol and drug using mothers. In addition, serum levels of serotonin were decreased in alcohol using mothers when compared to the controls. CONCLUSION: The present study shows that alcohol and drug use were associated with increased glutamate, and decreased glutamine levels, and alcohol use is associated with decreased serotonin levels. This study serves as a proof-of-concept that the metabolite profile of human first trimester serum samples could be used to detect alcohol exposure during pregnancy.
BACKGROUND: Although the effects of alcohol on metabolic processes in the body have been studied widely, there do not appear to be any previous reports clarifying how substance abuse changes metabolic profiles of pregnant women during the first trimester of pregnancy. OBJECTIVE: Our aim was to evaluate the effect of substance abuse, especially alcohol use, on the metabolic profile of pregnant women during the first trimester. STUDY DESIGN: We applied mass spectrometry based non-targeted metabolite profiling of serum collected during routine visit to the hospital between gestational weeks 9 + 0 to 11 + 6 from controls (n = 55), alcohol users (n = 19), drug users (n = 24) and tobacco smokers (n = 40). RESULTS: We observed statistically significantly differences among the study groups in serum levels of glutamate, glutamine, and serotonin (p-values ≤ 0.0001). The serum levels of glutamate were increased in alcohol and drug using mothers when compared to the controls, whereas levels of glutamine were decreased in alcohol and drug using mothers. In addition, serum levels of serotonin were decreased in alcohol using mothers when compared to the controls. CONCLUSION: The present study shows that alcohol and drug use were associated with increased glutamate, and decreased glutamine levels, and alcohol use is associated with decreased serotonin levels. This study serves as a proof-of-concept that the metabolite profile of human first trimester serum samples could be used to detect alcohol exposure during pregnancy.
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