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Article: New insights on brain-derived neurotrophic factor epigenetics: from depression to memory extinction

TitleNew insights on brain-derived neurotrophic factor epigenetics: from depression to memory extinction
Authors
Issue Date2021
Citation
Annals of the New York Academy of Sciences, 2021, v. 1484 n. 1, p. 9-31 How to Cite?
AbstractAdvances in characterizing molecular profiles provide valuable insights and opportunities for deciphering the neuropathology of depression. Although abnormal brain‐derived neurotrophic factor (BDNF) expression in depression has gained much support from preclinical and clinical research, how it mediates behavioral alterations in the depressed state remains largely obscure. Environmental factors contribute significantly to the onset of depression and produce robust epigenetic changes. Epigenetic regulation of BDNF, as one of the most characterized gene loci in epigenetics, has recently emerged as a target in research on memory and psychiatric disorders. Specifically, epigenetic alterations of BDNF exons are heavily involved in mediating memory functions and antidepressant effects. In this review, we discuss key research on stress‐induced depression from both preclinical and clinical studies, which revealed that differential epigenetic regulation of specific BDNF exons is associated with depression pathophysiology. Considering that BDNF has a central role in depression, we argue that memory extinction, an adaptive response to fear exposure, is dependent on BDNF modulation and holds promise as a prospective target for alleviating or treating depression and anxiety disorders.
Persistent Identifierhttp://hdl.handle.net/10722/295738
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorPOON, CH-
dc.contributor.authorHeng, BCA-
dc.contributor.authorLim, LW-
dc.date.accessioned2021-02-08T08:13:18Z-
dc.date.available2021-02-08T08:13:18Z-
dc.date.issued2021-
dc.identifier.citationAnnals of the New York Academy of Sciences, 2021, v. 1484 n. 1, p. 9-31-
dc.identifier.urihttp://hdl.handle.net/10722/295738-
dc.description.abstractAdvances in characterizing molecular profiles provide valuable insights and opportunities for deciphering the neuropathology of depression. Although abnormal brain‐derived neurotrophic factor (BDNF) expression in depression has gained much support from preclinical and clinical research, how it mediates behavioral alterations in the depressed state remains largely obscure. Environmental factors contribute significantly to the onset of depression and produce robust epigenetic changes. Epigenetic regulation of BDNF, as one of the most characterized gene loci in epigenetics, has recently emerged as a target in research on memory and psychiatric disorders. Specifically, epigenetic alterations of BDNF exons are heavily involved in mediating memory functions and antidepressant effects. In this review, we discuss key research on stress‐induced depression from both preclinical and clinical studies, which revealed that differential epigenetic regulation of specific BDNF exons is associated with depression pathophysiology. Considering that BDNF has a central role in depression, we argue that memory extinction, an adaptive response to fear exposure, is dependent on BDNF modulation and holds promise as a prospective target for alleviating or treating depression and anxiety disorders.-
dc.languageeng-
dc.relation.ispartofAnnals of the New York Academy of Sciences-
dc.titleNew insights on brain-derived neurotrophic factor epigenetics: from depression to memory extinction-
dc.typeArticle-
dc.identifier.emailLim, LW: limlw@hku.hk-
dc.identifier.authorityLim, LW=rp02088-
dc.identifier.doi10.1111/nyas.14458-
dc.identifier.hkuros321080-
dc.identifier.volume1484-
dc.identifier.issue1-
dc.identifier.spage9-
dc.identifier.epage31-
dc.identifier.isiWOS:000559914300001-

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