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KMID : 1007420190170020041
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Mood and Emotion
2019 Volume.17 No. 2 p.41 ~ p.48
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Changes of the Melatonergic System in Bipolar Disorder: A Literature Review
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Lee Jung-Hyun
Moon Eun-Soo
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Abstract
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Recently, melatonergic agents have been gaining much interest in the treatment of mood disorders. The elucidation of the underlying biological mechanisms related to the melatonergic system in mood disorders is warranted to ensure the proper use of melatonergic agents. Changes of the melatonergic system have been investigated in several studies of patients with bipolar disorder (BP) and depression. Accumulating evidence has indicated that patients with BP might exhibit abnormal melatonin secretion patterns, increased light-induced melatonin suppression, altered pineal gland volume, genetically abnormal melatonin synthesis enzyme, and modified melatonin receptors. In this review, the findings of studies performed to explore the association between the melatonergic system and BP are discussed. Moreover, the interpretations and limitations of these findings are described.
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KEYWORD
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Bipolar disorder, Depression, Melatonin, Melatonin receptor, Pineal gland
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