Neuroplasticity in cognitive and psychological mechanisms of depression: an integrative model

RB Price, R Duman - Molecular psychiatry, 2020 - nature.com
Chronic stress and depressive-like behaviors in basic neuroscience research have been
associated with impairments of neuroplasticity, such as neuronal atrophy and synaptic loss …

The role of dissociation in ketamine's antidepressant effects

ED Ballard, CA Zarate Jr - Nature communications, 2020 - nature.com
Ketamine produces immediate antidepressant effects and has inspired research into next-
generation treatments. Ketamine also has short term dissociative effects, in which …

Ketamine—50 years in use: from anesthesia to rapid antidepressant effects and neurobiological mechanisms

S Kohtala - Pharmacological Reports, 2021 - Springer
Over the past 50 years, ketamine has solidified its position in both human and veterinary
medicine as an important anesthetic with many uses. More recently, ketamine has been …

Ketamine and serotonergic psychedelics: common mechanisms underlying the effects of rapid-acting antidepressants

B Kadriu, M Greenwald, ID Henter… - International Journal …, 2021 - academic.oup.com
Background The glutamatergic modulator ketamine has created a blueprint for studying
novel pharmaceuticals in the field. Recent studies suggest that “classic” serotonergic …

Ketamine modulates fronto-striatal circuitry in depressed and healthy individuals

A Mkrtchian, JW Evans, C Kraus, P Yuan, B Kadriu… - Molecular …, 2021 - nature.com
Ketamine improves motivation-related symptoms in depression but simultaneously elicits
similar symptoms in healthy individuals, suggesting that it might have different effects in …

Ketamine's acute effects on negative brain states are mediated through distinct altered states of consciousness in humans

LM Hack, X Zhang, BD Heifets, T Suppes… - Nature …, 2023 - nature.com
Ketamine commonly and rapidly induces dissociative and other altered states of
consciousness (ASCs) in humans. However, the neural mechanisms that contribute to these …

Rapid neuroplasticity changes and response to intravenous ketamine: a randomized controlled trial in treatment-resistant depression

J Kopelman, TA Keller, B Panny, A Griffo… - Translational …, 2023 - nature.com
Intravenous ketamine is posited to rapidly reverse depression by rapidly enhancing
neuroplasticity. In human patients, we quantified gray matter microstructural changes on a …

Ketamine interactions with gut-microbiota in rats: relevance to its antidepressant and anti-inflammatory properties

B Getachew, JI Aubee, RS Schottenfeld, AB Csoka… - BMC microbiology, 2018 - Springer
Background Appreciable evidence suggest that dysbiosis in microbiota, reflected in gut
microbial imbalance plays a key role in the pathogenesis of neuropsychiatric disorders …

The role of NMDA receptor in neurobiology and treatment of major depressive disorder: evidence from translational research

M Amidfar, M Woelfer, GZ Reus, J Quevedo… - Progress in Neuro …, 2019 - Elsevier
There is accumulating evidence demonstrating that dysfunction of glutamatergic
neurotransmission, particularly via N-methyl-d-aspartate (NMDA) receptors, is involved in …

Brain-based correlates of antidepressant response to ketamine: a comprehensive systematic review of neuroimaging studies

GC Medeiros, M Matheson, I Demo, MJ Reid… - The Lancet …, 2023 - thelancet.com
Ketamine is an effective antidepressant, but there is substantial variability in patient
response and the precise mechanism of action is unclear. Neuroimaging can provide …