Koichi Ohara

Low activity allele of catechol-o-methyltransferase gene and Japanese unipolar depression

Koichi Ohara, Miho Nagai, Yasuo Suzuki et al. · Neuroreport · 1998 · 147 citations

Life Sciences, Genetics, Psychiatry +17

No association between anxiety disorders and catechol-O-methyltransferase polymorphism

Koichi Ohara, Koichi Ohara, Miho Nagai et al. · Psychiatry Research · 1998 · 105 citations

Medicine, Genetics, Psychiatry +13

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 et al. · The American Journal of Human Genetics · 2005 · 97 citations · Full text

Life Sciences, Genetics, Molecular Genetics +16

Functional polymorphism in the serotonin transporter promoter at the SLC6A4 locus and mood disorders

Koichi Ohara, Miho Nagai, Toshio Tsukamoto et al. · Biological Psychiatry · 1998 · 92 citations

Life Sciences, Genetics, Molecular Genetics +17

Functional polymorphism of −141C Ins/Del in the dopamine D2 receptor gene promoter and schizophrenia

Koichi Ohara, Koichi Ohara, Miho Nagai et al. · Psychiatry Research · 1998 · 83 citations

Life Sciences, Genetics, Molecular Genetics +14