2014
DOI: 10.1017/s1461145714000844
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Abstract: Modest antidepressant response rates of mood disorders (MD) encourage benzodiazepine (BZD) co-medication with debatable benefit. Adult hippocampal neurogenesis may underlie antidepressant responses, but diazepam co-administration impairs murine neuron maturation and survival in response to fluoxetine. We counted neural progenitor cells (NPCs), mitotic cells, and mature granule neurons postmortem in dentate gyrus (DG) from subjects with: untreated DSM-IV MD (n=17); antidepressant-treated MD (MD*ADT, n=10); benz… Show more

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Cited by 49 publications
(37 citation statements)
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“…Altered production and survival of developmentally‐born DG neurons is also relevant for a number of disorders that are associated with large‐scale structural changes in the hippocampus, and sometimes the DG in particular, such as autism (Saitoh, Karns, & Courchesne, ; Schumann et al, ), schizophrenia (Lodge & Grace, ; Tamminga, Stan, & Wagner, ) and depression (McKinnon, Yucel, Nazarov, & MacQueen, ). For example, recent reports indicate that depressed patients have fewer total DG neurons in the anterior hippocampus, which can be restored by SSRI antidepressants (Boldrini et al, ; Mahar et al, ). While antidepressant treatments are often cited for their proneurogenic properties, our findings indicate that changes in the developmentally‐born cell population could also contribute to changes in total granule cell number.…”
Section: Discussionmentioning
confidence: 99%
“…Altered production and survival of developmentally‐born DG neurons is also relevant for a number of disorders that are associated with large‐scale structural changes in the hippocampus, and sometimes the DG in particular, such as autism (Saitoh, Karns, & Courchesne, ; Schumann et al, ), schizophrenia (Lodge & Grace, ; Tamminga, Stan, & Wagner, ) and depression (McKinnon, Yucel, Nazarov, & MacQueen, ). For example, recent reports indicate that depressed patients have fewer total DG neurons in the anterior hippocampus, which can be restored by SSRI antidepressants (Boldrini et al, ; Mahar et al, ). While antidepressant treatments are often cited for their proneurogenic properties, our findings indicate that changes in the developmentally‐born cell population could also contribute to changes in total granule cell number.…”
Section: Discussionmentioning
confidence: 99%
“…The human anterior hippocampus, which is analogous to the ventral hippocampus in rodents, is smaller in unmedicated patients with depression and larger in antidepressant-treated patients than in healthy individuals 15 . Non-human primates with increased anxiety-like behaviour and neuroendocrine activity also show an increase in metabolism in the anterior hippocampus 16,17 .…”
Section: The Hippocampal Dorsal–ventral Axismentioning
confidence: 98%
“…In contrast to the inconsistent results from counts of progenitor cells and dividing cells, postmortem studies consistently show an increase in total dentate granule cell number and dentate gyrus size in medicated depressed patients as compared to non-medicated patients [28,62]. This may be a better integrated measure of AHN than counts of progenitor cells.…”
Section: Evidence That Treatments Of Depression and Anxiety Alter Ahnmentioning
confidence: 99%