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Article ; Online: COVID-19, young people, and suicidal behaviour.

Horita, Nobuyuki / Moriguchi, Sho

The lancet. Psychiatry

2023 Volume 10, Issue 7, Page(s) 484–485

MeSH term(s)	Humans ; Adolescent ; Suicidal Ideation ; COVID-19 ; Suicide ; Suicide, Attempted
Language	English
Publishing date	2023-06-20
Publishing country	England
Document type	Letter ; Comment
ISSN	2215-0374
ISSN (online)	2215-0374
DOI	10.1016/S2215-0366(23)00159-1
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Article ; Online: Trends in Suicide in Japan Following the 2019 Coronavirus Pandemic.

Horita, Nobuyuki / Moriguchi, Sho

JAMA network open

2022 Volume 5, Issue 3, Page(s) e224739

MeSH term(s)	Coronavirus ; Coronavirus Infections/epidemiology ; Humans ; Japan/epidemiology ; Pandemics ; Suicide/trends
Language	English
Publishing date	2022-03-01
Publishing country	United States
Document type	Letter ; Comment
ISSN	2574-3805
ISSN (online)	2574-3805
DOI	10.1001/jamanetworkopen.2022.4739
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Article ; Online: Treatment effects on neurometabolite levels in schizophrenia: A meta-analysis dataset of proton magnetic resonance spectroscopy.

Kubota, Manabu / Moriguchi, Sho / Takahata, Keisuke / Nakajima, Shinichiro / Horita, Nobuyuki

Data in brief

2020 Volume 31, Page(s) 105862

Abstract: This article describes a dataset for a meta-analysis that aimed to investigate the effects of treatment on the neurometabolite status in patients with schizophrenia (DOI of original article: https://doi.org/10.1016/j.schres.2020.03.069[1]). The data ... ...

Abstract	This article describes a dataset for a meta-analysis that aimed to investigate the effects of treatment on the neurometabolite status in patients with schizophrenia (DOI of original article: https://doi.org/10.1016/j.schres.2020.03.069[1]). The data search was performed with MEDLINE, Embase, and PsycINFO. The neurometabolites investigated include glutamate, glutamine, glutamate + glutamine, gamma-aminobutyric acid,
Language	English
Publishing date	2020-06-16
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2786545-9
ISSN	2352-3409 ; 2352-3409
ISSN (online)	2352-3409
ISSN	2352-3409
DOI	10.1016/j.dib.2020.105862
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Article ; Online: Treatment effects on neurometabolite levels in schizophrenia: A systematic review and meta-analysis of proton magnetic resonance spectroscopy studies.

Kubota, Manabu / Moriguchi, Sho / Takahata, Keisuke / Nakajima, Shinichiro / Horita, Nobuyuki

Schizophrenia research

2020 Volume 222, Page(s) 122–132

Abstract: Background: Although there is growing evidence of alterations in the neurometabolite status associated with the pathophysiology of schizophrenia, how treatments influence these metabolite levels in patients with schizophrenia remains poorly studied.: ... ...

Abstract	Background: Although there is growing evidence of alterations in the neurometabolite status associated with the pathophysiology of schizophrenia, how treatments influence these metabolite levels in patients with schizophrenia remains poorly studied. Methods: We conducted a literature search using Embase, Medline, and PsycINFO to identify proton magnetic resonance spectroscopy studies that compared neurometabolite levels before and after treatment in patients with schizophrenia. Six neurometabolites (glutamate, glutamine, glutamate + glutamine, gamma-aminobutyric acid, N-acetylaspartate, myo-inositol) and six regions of interest (frontal cortex, temporal cortex, parieto-occipital cortex, thalamus, basal ganglia, hippocampus) were investigated. Results: Thirty-two studies (n = 773 at follow-up) were included in our meta-analysis. Our results demonstrated that the frontal glutamate + glutamine level was significantly decreased (14 groups; n = 292 at follow-up; effect size = -0.35, P = 0.0003; I Conclusions: The current results suggest that glutamatergic neurometabolite levels in the frontal cortex and neuronal integrity in the thalamus in schizophrenia might be modified following treatment.
MeSH term(s)	Aspartic Acid ; Glutamic Acid ; Glutamine ; Humans ; Proton Magnetic Resonance Spectroscopy ; Schizophrenia/diagnostic imaging ; Schizophrenia/drug therapy ; Schizophrenia/metabolism ; Thalamus/diagnostic imaging
Chemical Substances	Glutamine (0RH81L854J) ; Aspartic Acid (30KYC7MIAI) ; Glutamic Acid (3KX376GY7L)
Language	English
Publishing date	2020-06-03
Publishing country	Netherlands
Document type	Journal Article ; Meta-Analysis ; Research Support, Non-U.S. Gov't ; Review ; Systematic Review
ZDB-ID	639422-x
ISSN	1573-2509 ; 0920-9964
ISSN (online)	1573-2509
ISSN	0920-9964
DOI	10.1016/j.schres.2020.03.069
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Article ; Online: Publication Rate in English of Abstracts Presented at the Annual Meeting of the Japanese Society of Psychiatry and Neurology.

Yoshida, Kazunari / Moriguchi, Sho / Koda, Masahide / Oka, Takuya / Ueno, Fumihiko / Ikai-Tani, Saeko / Tani, Hideaki / Mimura, Masaru

Psychiatry and clinical neurosciences

2022 , Page(s) 206–211

Abstract: Background: Relatively low publication rates of abstracts presented at scientific meetings (i.e., 37.3%, 95% CI: 35.3-39.3) have been reported across various fields worldwide. However, no study has investigated the publication rate of abstracts ... ...

Abstract	Background: Relatively low publication rates of abstracts presented at scientific meetings (i.e., 37.3%, 95% CI: 35.3-39.3) have been reported across various fields worldwide. However, no study has investigated the publication rate of abstracts presented at psychiatric meetings and factors associated with full publication in Japan. This study aimed to determine the proportion of conference abstracts in the psychiatric field that reach full publication in English and its associated factors in Japan. Methods: A retrospective study was conducted to determine the publication rate of abstracts presented at the annual meetings of the Japanese Society of Psychiatry and Neurology (JSPN) in 2013 and 2014, the largest psychiatric meeting in Japan, by searching for full-text publications in PubMed and Google Scholar. Furthermore, we examined factors associated with a successful full publication of the conference abstract. Results: Of the 737 abstracts evaluated, 132 (17.9%) were published in peer-reviewed journals; the publication rates for oral and poster presentations were 12.7% (46/363) and 23.0% (86/374), respectively. In multivariate logistic regression analyses, the following factors were significantly associated with successful publications: poster presentations (odds ratio [OR]: 1.67, 95% CI: 1.10-2.57), original studies (OR: 4.16, 95% CI: 2.44-7.47), and academic institutions (OR: 5.77, 95% CI: 3.44-10.19). Conclusions: The publication rate in English of the conference abstracts presented at the JSPN annual meetings was relatively lower than those in previous studies. Further encouragement of the publication of the abstracts presented in psychiatric conferences in Japan would be helpful in disseminating scientific findings in the field of psychiatry. This article is protected by copyright. All rights reserved.
Language	English
Publishing date	2022-03-16
Publishing country	Australia
Document type	Journal Article
ZDB-ID	1292906-2
ISSN	1440-1819 ; 1323-1316
ISSN (online)	1440-1819
ISSN	1323-1316
DOI	10.1111/pcn.13351
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Article: Treatment effects on neurometabolite levels in schizophrenia: A meta-analysis dataset of proton magnetic resonance spectroscopy

Kubota, Manabu / Moriguchi, Sho / Takahata, Keisuke / Nakajima, Shinichiro / Horita, Nobuyuki

Data in Brief. 2020 Aug., v. 31

2020

Abstract	This article describes a dataset for a meta-analysis that aimed to investigate the effects of treatment on the neurometabolite status in patients with schizophrenia (DOI of original article: https://doi.org/10.1016/j.schres.2020.03.069[1]). The data search was performed with MEDLINE, Embase, and PsycINFO. The neurometabolites investigated include glutamate, glutamine, glutamate + glutamine, gamma-aminobutyric acid, N-acetylaspartate, and myo-inositol, and the regions of interest (ROIs) include the frontal cortex, temporal cortex, parieto-occipital cortex, thalamus, basal ganglia, and hippocampus. The meta-analysis was conducted with a random-effects model, and the use of the standardized mean difference method between pre- and post-treatment of subjects for neurometabolites in each ROI of three patient groups or more. The dataset covers raw data of 39 patient groups (773 patients with schizophrenia at follow-up) with neurometabolite levels measured by magnetic resonance spectroscopy both before and after treatment. Furthermore, it contains details of clinical characteristics and treatment types for each group. Therefore, the data would be useful for a reinvestigation of treatment effects on the neurometabolite status from diverse points of view, as well as for the development of future treatment strategies for psychiatric diseases.
Keywords	cortex ; data collection ; frontal lobe ; gamma-aminobutyric acid ; glutamic acid ; glutamine ; hippocampus ; magnetism ; meta-analysis ; myo-inositol ; nuclear magnetic resonance spectroscopy ; patients ; schizophrenia ; statistical models ; thalamus
Language	English
Dates of publication	2020-08
Publishing place	Elsevier Inc.
Document type	Article
ZDB-ID	2786545-9
ISSN	2352-3409
ISSN	2352-3409
DOI	10.1016/j.dib.2020.105862
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Article ; Online: Astrogliosis marker 11C-SL25.1188 PET in traumatic brain injury with persistent symptoms.

Koshimori, Yuko / Cusimano, Michael D / Vieira, Erica L / Rusjan, Pablo M / Kish, Stephen J / Vasdev, Neil / Moriguchi, Sho / Boileau, Isabelle / Chao, Thomas / Nasser, Zahra / Ishrat Husain, M / Faiz, Khunsa / Braga, Joeffre / Meyer, Jeffrey H

Brain : a journal of neurology

2023 Volume 146, Issue 11, Page(s) 4469–4475

Abstract: Traumatic brain injury (TBI) is common but little is known why up to a third of patients have persisting symptoms. Astrogliosis, a pathophysiological response to brain injury, may be a potential therapeutic target, but demonstration of astrogliosis in ... ...

Abstract	Traumatic brain injury (TBI) is common but little is known why up to a third of patients have persisting symptoms. Astrogliosis, a pathophysiological response to brain injury, may be a potential therapeutic target, but demonstration of astrogliosis in the brain of humans with TBI and persistent symptoms is lacking. Astroglial marker monoamine oxidase B (MAO-B) total distribution volume (11C-SL25.1188 VT), an index of MAO-B density, was measured in 29 TBI and 29 similarly aged healthy control cases with 11C-SL25.1188 PET, prioritizing prefrontal cortex (PFC) and cortex proximal to cortical convexity. Correlations of PFC 11C-SL25.1188 VT with psychomotor and processing speed; and serum blood measures implicated in astrogliosis were determined. 11C-SL25.1188 VT was greater in TBI in PFC (P = 0.00064) and cortex (P = 0.00038). PFC 11C-SL25.1188 VT inversely correlated with Comprehensive Trail Making Test psychomotor and processing speed (r = -0.48, P = 0.01). In participants scanned within 2 years of last TBI, PFC 11C-SL25.1188 VT correlated with serum glial fibrillary acid protein (r = 0.51, P = 0.037) and total tau (r = 0.74, P = 0.001). Elevated 11C-SL25.1188 VT argues strongly for astrogliosis and therapeutics modifying astrogliosis towards curative phenotypes should be tested in TBI with persistent symptoms. Given substantive effect size, astrogliosis PET markers should be applied to stratify cases and/or assess target engagement for putative therapeutics targeting astrogliosis.
MeSH term(s)	Humans ; Aged ; Carbon Radioisotopes/metabolism ; Gliosis/diagnostic imaging ; Positron-Emission Tomography ; Brain/metabolism ; Brain Injuries, Traumatic/diagnostic imaging ; Brain Injuries, Traumatic/metabolism ; Monoamine Oxidase/metabolism
Chemical Substances	SL25.1188 ; Carbon-11 ; Carbon Radioisotopes ; Monoamine Oxidase (EC 1.4.3.4)
Language	English
Publishing date	2023-08-21
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	80072-7
ISSN	1460-2156 ; 0006-8950
ISSN (online)	1460-2156
ISSN	0006-8950
DOI	10.1093/brain/awad279
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Article ; Online: Serotonergic Neurotransmission in Limbic Regions May Reflect Therapeutic Response of Depressive Patients: A PET Study With 11C-WAY-100635 and 18F-MPPF.

Kitamura, Soichiro / Kimura, Yasuyuki / Takahata, Keisuke / Moriguchi, Sho / Kubota, Manabu / Shimada, Hitoshi / Endo, Hironobu / Takado, Yuhei / Kawamura, Kazunori / Zhang, Ming-Rong / Suhara, Tetsuya / Higuchi, Makoto

The international journal of neuropsychopharmacology

2023 Volume 26, Issue 7, Page(s) 474–482

Abstract: Background: Central serotonin (5-hydroxytryptamine [5-HT]) neurotransmission has been implicated in the etiology of depression. Most antidepressants ameliorate depressive symptoms by increasing 5-HT at synaptic clefts, but their effect on 5-HT receptors ...

Abstract	Background: Central serotonin (5-hydroxytryptamine [5-HT]) neurotransmission has been implicated in the etiology of depression. Most antidepressants ameliorate depressive symptoms by increasing 5-HT at synaptic clefts, but their effect on 5-HT receptors has yet to be clarified. 11C-WAY-100635 and 18F-MPPF are positron emission tomography (PET) radioligands for 5-HT1A receptors. While binding of both ligands reflects 5-HT1A receptor density, 18F-MPPF biding may also be affected by extracellular 5-HT concentrations. This dual-tracer PET study explored the neurochemical substrates underlying antidepressant effects in patients with depression. Methods: Eleven patients with depression, including 9 treated with antidepressants, and 16 age- and sex-matched healthy individuals underwent PET scans with 11C-WAY-100635 and 18F-MPPF. Radioligand binding was determined by calculating the nondisplaceable binding potential (BPND). Results: Patients treated with antidepressants showed significantly lower 18F-MPPF BPND in neocortical regions and raphe nuclei, but not in limbic regions, than controls. No significant group differences in 11C-WAY-100635 BPND were found in any of the regions. Significant correlations of BPND between 11C-WAY-100635 and 18F-MPPF were observed in limbic regions and raphe nuclei of healthy controls, but no such associations were found in antidepressant-treated patients. Moreover, 18F-MPPF BPND in limbic regions was significantly correlated with the severity of depressive symptoms. Conclusions: These results suggest a diversity of antidepressant-induced extracellular 5-HT elevations in the limbic system among depressive patients, which is associated with the individual variability of clinical symptoms following the treatment.
MeSH term(s)	Humans ; Carbon Radioisotopes ; Brain/diagnostic imaging ; Brain/metabolism ; Serotonin/metabolism ; Radiopharmaceuticals/metabolism ; Positron-Emission Tomography/methods ; Antidepressive Agents/therapeutic use ; Antidepressive Agents/metabolism ; Synaptic Transmission ; Receptor, Serotonin, 5-HT1A/metabolism
Chemical Substances	N-(2-(4-(2-methoxyphenyl)-1-piperazinyl)ethyl)-N-(2-pyridinyl)cyclohexanecarboxamide (71IH826FEG) ; Carbon-11 ; Carbon Radioisotopes ; Serotonin (333DO1RDJY) ; Radiopharmaceuticals ; Antidepressive Agents ; Receptor, Serotonin, 5-HT1A (112692-38-3)
Language	English
Publishing date	2023-06-06
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1440129-0
ISSN	1469-5111 ; 1461-1457
ISSN (online)	1469-5111
ISSN	1461-1457
DOI	10.1093/ijnp/pyad026
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Article: [Hypochondriac complaint of elderly patients].

Moriguchi, Sho / Mimura, Masaru

Nihon rinsho. Japanese journal of clinical medicine

2013 Volume 71, Issue 10, Page(s) 1816–1820

Abstract: Hypochondriac complaints made by elderly patients are encountered not only at psychiatrist but highly possible at any departments. Therefore, all clinical doctors have equal chance to encounter such patients and must keep this fact in their mind. In this ...

Abstract	Hypochondriac complaints made by elderly patients are encountered not only at psychiatrist but highly possible at any departments. Therefore, all clinical doctors have equal chance to encounter such patients and must keep this fact in their mind. In this paper, hypochondriasis is described by the degree of the patients' complaints. First of all, cases that actually have organic causes were examined. Then the degree of the patients' complaints such as slight, firm, and delusional was described in that order. We must understand the degree of the complaints and then move to treatment. Some cases further develop suicide ideation or become delusional; such conditions often require to be treated as inpatients. Thus, referral to specialist is desirable.
MeSH term(s)	Aged ; Humans ; Hypochondriasis/diagnosis
Language	Japanese
Publishing date	2013-10
Publishing country	Japan
Document type	English Abstract ; Journal Article
ZDB-ID	390903-7
ISSN	0047-1852
ISSN	0047-1852
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Article ; Online: Performance of plasma Aβ42/40, measured using a fully automated immunoassay, across a broad patient population in identifying amyloid status.

Alzheimer's research & therapy

2023 Volume 15, Issue 1, Page(s) 149

Abstract: Background: Plasma biomarkers have emerged as promising screening tools for Alzheimer's disease (AD) because of their potential to detect amyloid β (Aβ) accumulation in the brain. One such candidate is the plasma Aβ42/40 ratio (Aβ42/40). Unlike previous ...

Abstract	Background: Plasma biomarkers have emerged as promising screening tools for Alzheimer's disease (AD) because of their potential to detect amyloid β (Aβ) accumulation in the brain. One such candidate is the plasma Aβ42/40 ratio (Aβ42/40). Unlike previous research that used traditional immunoassay, recent studies that measured plasma Aβ42/40 using fully automated platforms reported promising results. However, its utility should be confirmed using a broader patient population, focusing on the potential for early detection. Methods: We recruited 174 participants, including healthy controls (HC) and patients with clinical diagnoses of AD, frontotemporal lobar degeneration, dementia with Lewy bodies/Parkinson's disease, mild cognitive impairment (MCI), and others, from a university memory clinic. We examined the performance of plasma Aβ42/40, measured using the fully automated high-sensitivity chemiluminescence enzyme (HISCL) immunoassay, in detecting amyloid-positron emission tomography (PET)-derived Aβ pathology. We also compared its performance with that of Simoa-based plasma phosphorylated tau at residue 181 (p-tau181), glial fibrillary acidic protein (GFAP), and neurofilament light (NfL). Results: Using the best cut-off derived from the Youden Index, plasma Aβ42/40 yielded an area under the receiver operating characteristic curve (AUC) of 0.949 in distinguishing visually assessed Conclusion: Plasma Aβ42/40 measured using the fully automated HISCL platform showed excellent performance in identifying Aβ accumulation in the brain in a well-characterized cohort. This equipment may be useful for screening amyloid pathology because it has the potential to detect early amyloid pathology and is readily applied in clinical settings.
MeSH term(s)	Humans ; Amyloid beta-Peptides ; Amyloidogenic Proteins ; Immunoassay ; Positron-Emission Tomography ; Alzheimer Disease/diagnostic imaging
Chemical Substances	amyloid beta-protein (1-42) ; Amyloid beta-Peptides ; Amyloidogenic Proteins
Language	English
Publishing date	2023-09-04
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2506521-X
ISSN	1758-9193 ; 1758-9193
ISSN (online)	1758-9193
ISSN	1758-9193
DOI	10.1186/s13195-023-01296-5
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