Y. Okahisa

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Aliases
Y Okahisa, Y. Okahisa, Yuko Okahisa
Publication record
68 papers · 1,644 citations · H-index 23

PAPERS

Effect modification in therapeutic impact of nalmefene on alcohol dependence by ADH1B polymorphism: A secondary analysis of a Japanese randomized clinical trial.
20250 citationsauthor #7
Occupational therapist‐guided exercise increased white blood cell and neutrophil counts during clozapine treatment: A case report
20250 citationsauthor #7
DSOK‐0011 Potentially Regulates Circadian Misalignment and Affects Gut Microbiota Composition in Activity‐Based Anorexia Model
20250 citationsauthor #13
Metaverse Support Groups for LGBTQ+ Youth: An Observational Study on Safety, Self-Expression, and Early Intervention
20252 citationsauthor #4
Initial Outcomes of the Safe and Sound Protocol on Patients with Adult Autism Spectrum Disorder: Exploratory Pilot Study
20236 citationsauthor #3
Comparison between olanzapine and aripiprazole treatment for 104 weeks after hospital discharge in schizophrenia spectrum disorders: a multicenter retrospective cohort study in a real-world setting
20230 citationsauthor #7
The validity of atypical psychosis diagnostic criteria to detect anti-NMDA receptor encephalitis with psychiatric symptoms.
20228 citationsauthor #6
Clinical moderators of response to nalmefene in a randomized-controlled trial for alcohol dependence: An exploratory analysis.
20225 citationsauthor #5
Transdiagnostic comparisons of intellectual abilities and work outcome in patients with mental disorders: multicentre study
20224 citationsauthor #12
A Decrease of Neutrophils After COVID-19 Vaccination in a Treatment-Resistant Patient With Schizophrenia Taking Clozapine
20226 citationsauthor #5
Association between depression in chronic phase and future clinical outcome of patients with schizophrenia
20225 citationsauthor #5
Impairment of early neuronal maturation in anti-NMDA-receptor encephalitis
20216 citationsauthor #6
Mirtazapine Was Effective for a Patient With Benzodiazepine Dependence
20210 citationsauthor #5
Rare genetic variants in the gene encoding histone lysine demethylase 4C (KDM4C) and their contributions to susceptibility to schizophrenia and autism spectrum disorder
202014 citationsauthor #29
Mechanisms Underlying the Comorbidity of Schizophrenia and Type 2 Diabetes Mellitus
202058 citationsauthor #3
Functional characterization of rare NRXN1 variants identified in autism spectrum disorders and schizophrenia
202032 citationsauthor #8
The relationship between plasma clozapine concentration and clinical outcome: a cross‐sectional study
202040 citationsauthor #7
Rare single-nucleotide DAB1 variants and their contribution to Schizophrenia and autism spectrum disorder susceptibility
202014 citationsauthor #19
Anti-N-Methyl-D-Aspartate Receptor Encephalitis in Psychiatry.
20197 citationsauthor #3
Anti-NMDA-receptor antibody in initial diagnosis of mood disorder.
20199 citationsauthor #11
Switching strategies for antipsychotic monotherapy in schizophrenia: a multi-center cohort study of aripiprazole
201910 citationsauthor #8
Effects of the antipsychotics haloperidol, clozapine, and aripiprazole on the dendritic spine.
201819 citationsauthor #8
Genome-Wide Association Study Detected Novel Susceptibility Genes for Schizophrenia and Shared Trans-Populations/Diseases Genetic Effect.
2018132 citationsauthor #25
Rare loss of function mutations in N-methyl-d-aspartate glutamate receptors and their contributions to schizophrenia susceptibility
201851 citationsauthor #19
Assessment of a glyoxalase I frameshift variant, p.P122fs, in Japanese patients with schizophrenia
20181 citationsauthor #5
A genome-wide association study identifies two novel susceptibility loci and trans population polygenicity associated with bipolar disorder
2017181 citationsauthor #4
Rare genetic variants in CX3CR1 and their contribution to the increased risk of schizophrenia and autism spectrum disorders
201770 citationsauthor #7
Estimated cognitive decline in patients with schizophrenia: A multicenter study
201764 citationsauthor #16
A novel rare variant R292H in RTN4R affects growth cone formation and possibly contributes to schizophrenia susceptibility
201725 citationsauthor #7
The Relationship Between Development of Neuronal and Astrocytic Tau Pathologies in Subcortical Nuclei and Progression of Argyrophilic Grain Disease
201623 citationsauthor #7
Human Rho Guanine Nucleotide Exchange Factor 11 (ARHGEF11) Regulates Dendritic Morphogenesis
201618 citationsauthor #6
Factors predicting work outcome in Japanese patients with schizophrenia: role of multiple functioning levels
201518 citationsauthor #4
Individual risk alleles of susceptibility to schizophrenia are associated with poor clinical and social outcomes
201513 citationsauthor #3
Difference in determinants of caregiver burden between amnestic mild cognitive impairment and mild Alzheimer's disease.
201513 citationsauthor #5
A genome-wide association study of late-onset Alzheimer’s disease in a Japanese population
201531 citationsauthor #11
Utility of the UCSD Performance-based Skills Assessment-Brief Japanese version: discriminative ability and relation to neurocognition
201429 citationsauthor #3
Poster #M210 THE UCSD PERFORMANCE-BASED SKILLS ASSESSMENT-BRIEF JAPANESE VERSION (UPSA-B_J): DISCRIMINATIVE VALIDITY FOR SCHIZOPHRENIA
20142 citationsauthor #3
Four polymorphisms of the pericentriolar material 1 (PCM1) gene are not associated with schizophrenia in a Japanese population.
20143 citationsauthor #3
Human Rho guanine nucleotide exchange factor 11 gene is associated with schizophrenia in a Japanese population
201413 citationsauthor #3
Association Study of FYN Gene Polymorphism and Methamphetamine Use Disorder
20130 citationsauthor #2
Evidence for Shared Genetic Risk Between Methamphetamine-Induced Psychosis and Schizophrenia
201362 citationsauthor #2
Adjunctive yokukansan treatment improved cognitive functions in a patient with schizophrenia.
20132 citationsauthor #5
Measurement and Treatment Research to Improve Cognition in Schizophrenia Consensus Cognitive Battery: Validation of the Japanese version
201338 citationsauthor #3
P.6.c.006 Association between the tyrosine hydroxylase gene and patients with methamphetamine dependence
20120 citationsauthor #1
Efficacy and tolerability of blonanserin in 48 patients with intractable schizophrenia
20129 citationsauthor #2
Poster #117 ASSOCIATION BETWEEN THE ARHGEF11 GENE AND SCHIZOPHRENIA IN A JAPANESE POPULATION
20120 citationsauthor #3
Poster #118 A POLYMORPHISM IN THE CNR1 GENE IS ASSOCIATED WITH GENE EXPRESSION AND SCHIZOPHRENIA
20120 citationsauthor #1
Association Study of Serine Racemase Gene with Methamphetamine Psychosis
20115 citationsauthor #4
P.3.c.015 Improvement of serum prolactin after switching to blonanserin from risperidone in patients with schizophrenia: report of four cases
20110 citationsauthor #1
Association Between 5HT1b Receptor Gene and Methamphetamine Dependence
201115 citationsauthor #3
Association Study of Two Cannabinoid Receptor Genes, CNR1 and CNR2, with Methamphetamine Dependence
201118 citationsauthor #1
Association between the Regulator of G-protein Signaling 9 Gene and Patients with Methamphetamine Use Disorder and Schizophrenia
20119 citationsauthor #1
[Overview of genetics and substance use disorders].
20100 citationsauthor #2
Leukemia inhibitory factor gene is associated with schizophrenia and working memory function.
201027 citationsauthor #1
ASSOCIATION BETWEEN THE SELENBP1 GENE AND SCHIZOPHRENIA IN A JAPANESE POPULATION
20100 citationsauthor #1
Association between neuropeptide Y gene and its receptor Y1 gene and methamphetamine dependence
200923 citationsauthor #1
G72 gene is associated with susceptibility to methamphetamine psychosis.
200922 citationsauthor #3
Association study of gender identity disorder and sex hormone-related genes.
200984 citationsauthor #8
Genetic variants of D2 but not D3 or D4 dopamine receptor gene are associated with rapid onset and poor prognosis of methamphetamine psychosis.
200937 citationsauthor #3
Association Study between Casein Kinase 1 Epsilon Gene and Methamphetamine Dependence
20088 citationsauthor #5
Behavioral and Brain Functions
200824 citationsauthor #3
The dysbindin gene (DTNBP1) is associated with methamphetamine psychosis.
200863 citationsauthor #5
Multiple genetic factors in olanzapine-induced weight gain in schizophrenia patients: a cohort study.
200896 citationsauthor #5
P.3.c.022 Analyses of genetic factors in olanzapine-induced weight gain in schizophrenic patients
20081 citationsauthor #4
The glycine transporter 1 gene (GLYT1) is associated with methamphetamine‐use disorder
200825 citationsauthor #5
Reduced CYP2D6 activity is a negative risk factor for methamphetamine dependence.
200819 citationsauthor #4
A genetic variant of the serine racemase gene is associated with schizophrenia.
2007107 citationsauthor #8
Association Study of the Dihydropyrimidinase‐Related Protein 2 Gene and Methamphetamine Psychosis
200618 citationsauthor #6

TIMELINE

2006 18 citations

2007 107 citations

2008 236 citations

2009 166 citations

2010 27 citations

2011 47 citations

2012 9 citations

2013 102 citations

2014 47 citations

2015 75 citations

2016 41 citations

2017 340 citations

2018 203 citations

2019 26 citations

2020 158 citations

2021 6 citations

2022 28 citations

2023 6 citations

2025 2 citations

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