Abstract:
:The understanding of the neurobiological processes leading to major depressive disorder (MDD) is an active field of research in the scientific community. For years, the alteration of monoamine neurotransmission, in particular serotonin (5-HT), has been considered the most significant pathophysiological mechanism of the disorder. However, biological data supporting the postulated MDD-related monoamine alterations have been inconclusive, and the use of monoaminergic antidepressants has not yielded the expected results. In the last few years, it has been demonstrated that inflammatory pathways have a significant role in the pathophysiology of MDD. According to the cytokine hypothesis, the disorder would be due to a stress-related increased production of cytokines, including interleukins, tumor necrosis factor- α and interferon- α and γ . These, in turns, would cause the activation of the indoleamine 2,3 dioxygenase (IDO), with subsequent production of tryptophan (TRP) catabolites along the IDO pathway (TRYCATs) and decreased availability of TRP and 5-HT. Besides monoamines, other molecular mechanisms, as those within the inflammatory pathways, should be taken into account in the attempt to clarify the pathophysiology of MDD and to improve its treatment.
journal_name
Curr Drug Targetsjournal_title
Current drug targetsauthors
Catena-Dell'Osso M,Rotella F,Dell'Osso A,Fagiolini A,Marazziti Ddoi
10.2174/13894501113149990154subject
Has Abstractpub_date
2013-05-01 00:00:00pages
571-7issue
5eissn
1389-4501issn
1873-5592pii
CDT-EPUB-20130326-1journal_volume
14pub_type
杂志文章,评审abstract::The hyperpolarization-activated cyclic nucleotide-gated (HCN) channels play an important role in the generation of pacemaker activity of cardiac sinoatrial node cells and immature cardiomyocytes. HCN channels are also present in adult atrial and ventricular cardiomyocytes, where the physiological role is currently und...
journal_title:Current drug targets
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journal_title:Current drug targets
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journal_title:Current drug targets
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journal_title:Current drug targets
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journal_title:Current drug targets
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journal_title:Current drug targets
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journal_title:Current drug targets
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journal_title:Current drug targets
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journal_title:Current drug targets
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journal_title:Current drug targets
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