Masaaki Koyama

Inactivation of both alleles of the DPC4/SMAD4 gene in advanced colorectal cancers: identification of seven novel somatic mutations in tumors from Japanese patients

Masaaki Koyama, Masahide Ito, Hisaki Nagai et al. · Mutation Research/Mutation Research Genomics · 1999 · 63 citations

Medicine, Genetics, Molecular Genetics +14

<i>PTEN/MMAC1</i> Mutations in Hepatocellular Carcinomas: Somatic Inactivation of Both Alleles in Tumors

Naoki Kawamura, Hisaki Nagai, Koichi Bando et al. · Japanese Journal of Cancer Research · 1999 · 54 citations · Full text

Medicine, Genetics, Oncology +14

Identification of a 1-cM region of common deletion on 4q35 associated with progression of hepatocellular carcinoma

Koichi Bando, Hisaki Nagai, Satoshi Matsumoto et al. · Genes Chromosomes and Cancer · 1999 · 47 citations

Medicine, Genetics, Molecular Genetics +17

Identification of a 1-Mb common region at 16q24.1-24.2 deleted in hepatocellular carcinoma

Koichi Bando, Hisaki Nagai, Satoshi Matsumoto et al. · Genes Chromosomes and Cancer · 2000 · 25 citations

Medicine, Genetics, Oncology +16

Localization of a Target Region of Allelic Loss to a 1‐cM Interval on Chromosome 16p.13.13 in Hepatocellular Carcinoma

Masaaki Koyama, Hisaki Nagai, Koichi Bando et al. · Japanese Journal of Cancer Research · 1999 · 21 citations · Full text

Medicine, Genetics, Molecular Genetics +17