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Cerebrospinal fluid monoamines in Prader-Willi syndrome. 1998

A Akefeldt, and R Ekman, and C Gillberg, and J E Månsson
Department of Child and Adolescent Psychiatry, University of Göteborg, Mölndal.

BACKGROUND The behavioral phenotype of Prader-Willi syndrome (PWS) suggests hypothalamic dysfunction and altered neurotransmitter regulation. The purpose of this study was to examine whether there was any difference in the concentrations of monoamine metabolites in the cerebrospinal fluid (CSF) in PWS and non-PWS comparison cases. METHODS The concentration of monoamine metabolites in CSF was determined in 13 children and adolescents with PWS diagnosed on clinical and genetic criteria. The concentrations were compared with those from 56 comparison cases in healthy and other contrast groups. RESULTS The concentrations of dopamine and particularly serotonin metabolites were increased in the PWS group. The differences were most prominent for 5-hydroxyindoleacetic acid. The increased concentrations were found in all PWS cases independently of age, body mass index, and level of mental retardation. CONCLUSIONS The findings implicate dysfunction of the serotonergic system and possibly also of the dopamine system in PWS individuals, and might help inform future psychopharmacologic studies.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007361 Intelligence Tests Standardized tests that measure the present general ability or aptitude for intellectual performance. Mental Tests,Raven Test,Raven's Progressive Matrices,Intelligence Test,Mental Test,Raven Progressive Matrices,Ravens Progressive Matrices,Test, Intelligence,Test, Mental,Test, Raven
D008297 Male Males
D008734 Methoxyhydroxyphenylglycol Synthesized from endogenous epinephrine and norepinephrine in vivo. It is found in brain, blood, CSF, and urine, where its concentrations are used to measure catecholamine turnover. Hydroxymethoxyphenylglycol,MHPG,MOPEG,Vanylglycol,4-Hydroxy-3-methoxyphenylethylene Glycol,4-Hydroxy-3-methoxyphenylethyleneglycol,4-Hydroxy-3-methoxyphenylglycol,Methoxyhydroxyphenylglycol, (+)-Isomer,Methoxyhydroxyphenylglycol, (+-)-Isomer,Methoxyhydroxyphenylglycol, (-)-Isomer,4 Hydroxy 3 methoxyphenylethylene Glycol,4 Hydroxy 3 methoxyphenylethyleneglycol,4 Hydroxy 3 methoxyphenylglycol
D009765 Obesity A status with BODY WEIGHT that is grossly above the recommended standards, usually due to accumulation of excess FATS in the body. The standards may vary with age, sex, genetic or cultural background. In the BODY MASS INDEX, a BMI greater than 30.0 kg/m2 is considered obese, and a BMI greater than 40.0 kg/m2 is considered morbidly obese (MORBID OBESITY).
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D011218 Prader-Willi Syndrome An autosomal dominant disorder caused by deletion of the proximal long arm of the paternal chromosome 15 (15q11-q13) or by inheritance of both of the pair of chromosomes 15 from the mother (UNIPARENTAL DISOMY) which are imprinted (GENETIC IMPRINTING) and hence silenced. Clinical manifestations include MENTAL RETARDATION; MUSCULAR HYPOTONIA; HYPERPHAGIA; OBESITY; short stature; HYPOGONADISM; STRABISMUS; and HYPERSOMNOLENCE. (Menkes, Textbook of Child Neurology, 5th ed, p229) Labhart-Willi Syndrome,Royer Syndrome,Labhart-Willi-Prader-Fanconi Syndrome,Prader Labhart Willi Syndrome,Prader-Labhart-Willi Syndrome,Royer's Syndrome,Willi-Prader Syndrome,Labhart Willi Prader Fanconi Syndrome,Labhart Willi Syndrome,Prader Willi Syndrome,Royers Syndrome,Syndrome, Labhart-Willi,Syndrome, Labhart-Willi-Prader-Fanconi,Syndrome, Prader-Labhart-Willi,Syndrome, Prader-Willi,Syndrome, Royer,Syndrome, Royer's,Syndrome, Willi-Prader,Willi Prader Syndrome
D001724 Birth Weight The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms. Birthweight,Birth Weights,Birthweights,Weight, Birth,Weights, Birth
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children

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