Search for dissertations about: "MAO-A"
Showing result 1 - 5 of 13 swedish dissertations containing the word MAO-A.
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1. Attention-deficit/hyperactivity disorder and disruptive behavior disorders in adolescence related to levels of platelet MAO-B and polymorphisms in two candidate genes
Abstract : Background: Attention-Deficit/Hyperactivity Disorder (ADHD) and Disruptive Behavior Disorders (DBD) (including Oppositional Defiant Disorder (ODD) and Conduct Disorder (CD)), are common developmental and behaviour diagnoses among adolescents. Several of their symptoms, have been linked to genotypes (e.g. READ MORE
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2. The Relation between Serotonergic Biomarkers and Behaviour : – studies on human primates, non-human primates and transgenic mice
Abstract : Rationale: The serotonergic system is involved in the modulation of emotion and plays an important role for personality and vulnerability for psychiatric disorders. In the papers included in this thesis, we investigate three biological factors that have been studied in relation to psychiatric symptoms: Platelet monoamine oxidase B (MAO-B) activity, and variations in the MAO-A and the serotonin transporter (5HTT) genes. READ MORE
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3. Development of novel serotonin 5-HT6 and dopamine D2 receptor ligands and MAO A inhibitors - Synthesis, structure-activity relationships and pharmacological characterization
Abstract : It is known since the 1950s that enhancement of the levels of the monoamines dopamine (DA), serotonin (5-hydroxytryptamine, 5-HT) and norepinephrine (NE) in the brain will relieve the symptoms of major depression, and current therapies are still based on this mechanism. However, all available antidepressants today are still suffering from slow onset of therapeutic action, as well as adverse effects and lack of efficacy. READ MORE
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4. Gene-Environment Interaction in Adolescent Deviant Behaviour
Abstract : The overall aim of this thesis was to explore gene-environmental (G*E) interactions in relation to deviant behaviour among 200 Swedish adolescents, with a focus on criminality, alcohol consumption and depressive symptoms. Those behaviours have been extensively investigated in relation to both psychosocial and biological risk factors. READ MORE
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5. Amine oxidases in dental pulp : a study with special regard to a semicarbazide-sensitive amine oxidase with catalytic potency towards serotonin
Abstract : The amine oxidizing capacity of piglet dental pulp tissue has been investigated. At least six separate enzyme activities could be distinguished:- a soluble semicarbazide-sensitive (SSAO) activity towards benzylamine, most likely to be derived from the content of blood plasma within the pulp tissue;- a soluble pulp tissue SSAO activity with most properties in common with the plasma enzyme, however with great efficiency not only regarding benzylamine but also tryptamine;- a tissue bound SSAO activity with activity towards benzylamine, tryptamine, tyramine and ß-phenylethylamine;- a tissue bound semicarbazide-sensitive activity towards serotonin (SSA0-5HT) (a combination of properties never reported before);- a mitochondrially bound and clorgyline-sensitive monoamine oxidase-A (MAO-A) activity with activity towards serotonin;- a mitochondrially bound and deprenyl-sensitive MAO-B activity with activity towards e. READ MORE