Validity of the Patient Health Questionnaire (PHQ)-9 and PHQ-2 in general internal medicine primary care at a Japanese rural hospital: a cross-sectional study

Masatoshi Inagaki, Tsuyuka Ohtsuki, Naohiro Yonemoto, +7

General Hospital Psychiatry

NursingFamily MedicinePatient SatisfactionPrimary CareJapanese Rural Hospital +8

Genomewide High-Density SNP Linkage Analysis of 236 Japanese Families Supports the Existence of Schizophrenia Susceptibility Loci on Chromosomes 1p, 14q, and 20p

Tadao Arinami, Tsuyuka Ohtsuki, Hiroki Ishiguro, +49

The American Journal of Human Genetics

Genome-wide Association StudyChromosomes 1PPsychiatryGeneticsJapanese Families +8

Association between polymorphisms in the type 1 sigma receptor gene and schizophrenia

Hiroki Ishiguro, Tsuyuka Ohtsuki, Michio Toru, +10

Neuroscience Letters

Type 1PsychiatryPsychotic DisorderGeneticsPsychiatric Genetics +10

A polymorphism of the metabotropic glutamate receptor mGluR7 (GRM7) gene is associated with schizophrenia

Tsuyuka Ohtsuki, Minori Koga, Hiroki Ishiguro, +13

Schizophrenia Research

PsychiatryGeneticsPsychiatric GeneticsSchizophreniaNeuropharmacology +6

A Synergistic Effect of Serotonin Transporter Gene Polymorphism and Smoking in Association with CHD

Tsuyuka Ohtsuki, Kimiko Yamakawa‐Kobayashi, Hiroshi Amemiya, +4

Thrombosis and Haemostasis

GeneticsGenetic EpidemiologyHuman PolymorphismCoronary Artery DiseaseTobacco Control +17

Mutation analysis of the retinoid X receptor beta, nuclear‐related receptor 1, and peroxisome proliferator‐activated receptor alpha genes in schizophrenia and alcohol dependence: Possible haplotype association of nuclear‐related receptor 1 gene to alcohol dependence

Hiroki Ishiguro, Yoshiro Okubo, Tsuyuka Ohtsuki, +2

American Journal of Medical Genetics

Possible association between a haplotype of the GABA-A receptor alpha 1 subunit gene (GABRA1) and mood disorders

Yasue Horiuchi, Junko Nakayama, Hiroki Ishiguro, +8

Biological Psychiatry

Gaba-a ReceptorPsychiatrySubunit GeneGeneticsPsychiatric Genetics +11

Significant linkage to chromosome 22q for exploratory eye movement dysfunction in schizophrenia

Sakae Takahashi, Tsuyuka Ohtsuki, Shun‐ying Yu, +12

American Journal of Medical Genetics Part B Neuropsychiatric Genetics

A Polymorphism in the PDLIM5 Gene Associated with Gene Expression and Schizophrenia

Yasue Horiuchi, Makoto Arai, Kazuhiro Niizato, +7

Biological Psychiatry

PsychiatryPsychiatric DisordersGeneticsPsychiatric GeneticsHuman Polymorphism +8

Monoallelic and Unequal Allelic Expression of the HTR2A Gene in Human Brain and Peripheral Lymphocytes

Yoshiko Fukuda, Minori Koga, Makoto Arai, +8

Biological Psychiatry

HistocompatibilityKnockout MouseMedicineGeneticsImmunology +7