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4 edition of Mood stabilizer effects on expression of signal transducer genes implicated in bipolar disorder found in the catalog.

Mood stabilizer effects on expression of signal transducer genes implicated in bipolar disorder

Timothy William Corson

Mood stabilizer effects on expression of signal transducer genes implicated in bipolar disorder

by Timothy William Corson

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  • 38 Currently reading

Published by National Library of Canada in Ottawa .
Written in English


Edition Notes

Thesis (M.Sc.) -- University of Toronto, 2002.

SeriesCanadian theses = -- Th`eses canadiennes
The Physical Object
FormatMicroform
Pagination2 microfiches : negative.
ID Numbers
Open LibraryOL21788680M
ISBN 10061268878X
OCLC/WorldCa54460567

Another mood stabilizer, valproic acid, likewise inhibits the activity of some enzymes [for example, succinate semialdehyde dehydrogenase () and histone deacetylases (26, 27)] and, in a way similar to lithium, may exert its therapeutic effects by direct modulation of signaling pathways [see (25, 28, 29) for reviews]. The vast majority of. Principal mood disorders which include major depressive disorder and bipolar disorder are prevalent conditions with high rates of morbidity and mortality.

Mood stabilizers are best known for the treatment of bipolar disorder, preventing mood shifts to mania (or hypomania) and depression. Mood stabilizers are also used in schizoaffective disorder when it is the bipolar type. Examples. The term "mood stabilizer" does not describe a mechanism, but rather an effect.   Calcium signalling has long been implicated in bipolar disorder, especially by reports of altered intracellular calcium ion concentrations ([Ca2+]). .

Lithium compounds, also known as lithium salts, are primarily used as a psychiatric medication. It is primarily used to treat bipolar disorder and treat major depressive disorder that does not improve following the use of antidepressants. In these disorders, it reduces the risk of suicide. Lithium is taken by mouth. Common side effects include increased urination, shakiness of the hands, and. Mood stabilizers are used to treat bipolar disorder. Lithium is the only mood stabilizing medications that has received FDA approval for the treatment of bipolar disorder in youth older than 12 years, but divalproex has a long-safety profile in young individuals given it's long history of use for seizures even though this is an off label use.


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Mood stabilizer effects on expression of signal transducer genes implicated in bipolar disorder by Timothy William Corson Download PDF EPUB FB2

INTRODUCTION. Bipolar disorder (BD) is a chronic disease with hitherto unknown etiology and pathophysiology. It can be conceptualized as classical BD in which the sufferers have a positive family history, discrete manic and depressive episodes, good inter-episode functioning and responsiveness to the standard mood stabilizer, by:   Perlis et al.

carried out a family-based association study of lithium-related and other candidate genes in bipolar disorder. Lithium genes were selected as related primarily to inositol 1,4,5-triphosphate (17 genes), to GSK3β/Wnt signalling (39 genes) and to those implicated by messenger RNA expression data and related approaches (35 genes).Cited by: Canonical signal transduction cascades and mood stabilizer targets in bipolar disorder.

On the left side of the figure, monoaminergic (serotonin, norepinephrine, and dopamine) neurotransmitter receptors activates the intracellular phosphoinositide second messenger/signal transduction by: (): Effects of lithium treatment and discontinuation in bipolar disorder: Overview of recent research findings from the International Consortium for Bipolar Disorders Research.

In Meyler's Side Effects of Drugs (Sixteenth Edition), Carbamazepine. The mood stabilizer carbamazepine is often used in combination with antidepressants in patients with unipolar or bipolar affective disorder. The effects of carbamazepine on the steady state pharmacokinetics of moclobemide and two metabolites have been studied in a non-randomized crossover study in 21 patients with.

Mood stabilizers that are approved for treating bipolar disorder (BD), when given chronically to rats, decrease expression of markers of the brain arachidonic metabolic cascade, and reduce.

These biochemical effects may play a role in mediating certain clinical manifestations of altered hormonal levels in mood disorder subjects (e.g. the frequent onset of bipolar disorder in puberty, triggering of episodes in the postpartum period, association of depression and potentially rapid cycling with hypothyroidism, and triggering of.

Bipolar disorder (BD) is a complex and disabling mental disorder characterized by high morbidity, disability, and socioeconomic burden. Pharmacogenetics of BD mainly focus on the mood stabilizer lithium, which represents the mainstay treatment in this disorder. Lithium has a complex mechanism of action that has been only partly elucidated.

Mood stabilizers play a key role in the mediation of synaptic plasticity that underlies dysfunctions in several neurobiological systems implicated in the pathophysiology and therapy of BD.

These effects also target cellular organelles (mitochondria and the endoplasmic reticulum) and are associated with changes in neurotrophic factors, energy metabolism, neurotransmission, and inflammation.

Lithium as a Mood-Stabilizing Drug. Bipolar disorder (BD), for which principal symptoms constitute recurrent manic and depressive episodes, is a serious mental illness, with a worldwide prevalence of 2–5% of the population. 1 BD imposes a great burden on both patients and their families, and approximately 10–20% of patients commit suicide over the course of their illness.

2 In a recent. The effect of body mass index on glucagon-like peptide receptor gene expression in the post mortem brain from individuals with mood and psychotic disorders.

Eur. Neuropsychopharmacol. 29. genes implicated in the pathogenesis of bipolar disorder, namely the glucocorticoid receptor (NR3C1) gene located on chromosome 5q [ 68 ], and the Disrupted-in-Schi. The etiology of bipolar disorder (BD) remains uncertain; both genetic background and environmental factors, such as stressful life events or substance abuse, are related to the risk of development of BD.

1 Insights into the processes underlying neuroprogression in BD have been provided by studies examining genetic and epigenetic changes, structural and functional changes in the brain, damage.

effect on the phosphatidylinositol (PI) system and the inhibition of the glycogen synthase kinase 3beta (GSK-3β)activity are the most important. Lithium makes a prototype of the mood-stabilizing drug, is regarded as the drug of the first choice for the prophylaxis of bipolar disorders, and, as a monotherapy, surpasses all other mood stabilizers.

Epigenetics of Bipolar Disorder. Whether a gene becomes activated, leading to functional changes in mRNA expression, protein production, and finally behavioral changes, depends on various epigenetic mechanisms. DNA methylation or histone acetylation massively affect gene regulation and expression.

DBP is a circadian clock gene candidate for bipolar disorder, that was identified in earlier gene expression studies [Niculescu et al., ] in pharmacogenomic models and maps to a locus implicated in bipolar disorder in humans. At baseline, the knock‐out animals are depressed compared to wild‐type controls.

This chapter reviews the therapeutic effects of lithium on neurotransmission and cellular signal transduction mechanisms underlying neuroprogression in bipolar disorder.

A number of genes associated with circadian patterns have been found to be associated with bipolar disorder, including aryl hydrocarbon receptor nuclear translocator-like (ARNTL). [17, 18] and circadian locomotor output cycles kaput (CLOCK).

[] These data support the suggestion that disrupted circadian patterns play a role in bipolar disorder. [] In addition, lithium has been shown to. DNA methylation is a critical epigenetic mechanism involved in regulation of gene ation occurs at position 5 of the cytosine residue (Figure ) and primarily in the context of CpG dinucleotides, although recent evidence suggests that non-CpG methylation is also methylation is typically associated with transcriptional silencing.

Bipolar disorder also known as manic depressive disorder can have a negative effect on an individuals’ mood, relationships, and everyday life. This disorder can affect the cognitive functions and is known to impair cognitive areas such as attention, executive functions, learning, memory and psychomotor speed.

Gene expression differences in bipolar disorder revealed by cDNA array analysis of post‐mortem frontal cortex studies have shown that changes in gene expression are critical to the effects of long‐term treatment with mood stabilizing studies also suggest that TGF‐β1 may be a target system for the action of certain mood stabilizers.Bipolar disorder (BD) affects around 3% of the population [] and is a serious multifactorial disease, caused by combination of genetic vulnerability and environmental stressors with abnormalities in neurotransmitter and neuroendocrine systems, and intracellular signaling pathways as ally, BD is characterized by recurrent changes of thought, behavior, cognition, mood, and.The first study included 7 patients (5 male and 2 female) with acute bipolar mania.

22 Participants were inpatients or outpatients aged 18 to 65 years with a diagnosis of bipolar mood disorder manic episode based on a DSM-IV structured clinical interview.

Tamoxifen resulted in a significant decrease in manic symptoms as rated by the Young Mania.