Hirofumi Ohashi spends much of his time researching Genetics, Mutation, Missense mutation, Frameshift mutation and Haploinsufficiency. His studies in Point mutation, Noonan Syndrome with Multiple Lentigines, Allele, Intellectual disability and HRAS are all subfields of Genetics research. The study incorporates disciplines such as Kabuki syndrome, Mutant, X chromosome and Human genetics in addition to Mutation.
He works mostly in the field of Missense mutation, limiting it down to topics relating to Spondyloepiphyseal dysplasia and, in certain cases, Kniest dysplasia, Phenotype and Exon, as a part of the same area of interest. The concepts of his Frameshift mutation study are interwoven with issues in Beckwith–Wiedemann syndrome and Gigantism. His Haploinsufficiency research is multidisciplinary, incorporating elements of Sotos syndrome, Genotype, Overgrowth syndrome and Breakpoint.
Hirofumi Ohashi mainly focuses on Genetics, Mutation, Internal medicine, Molecular biology and Gene. His Genetics study is mostly concerned with Exon, Missense mutation, Dysplasia, Gene duplication and Fluorescence in situ hybridization. His study explores the link between Fluorescence in situ hybridization and topics such as Karyotype that cross with problems in Chromosomal translocation.
His research in Chromosomal translocation intersects with topics in Chromosome and Dysostosis. The study incorporates disciplines such as Multiple epiphyseal dysplasia and Pathology in addition to Mutation. His work investigates the relationship between Internal medicine and topics such as Endocrinology that intersect with problems in Costello syndrome.
Hirofumi Ohashi spends much of his time researching Genetics, Telescope, Observatory, Optics and Mutation. His research in Gene duplication, Proband, Coffin–Siris syndrome, Exome and Genome-wide association study are components of Genetics. His research in Exome intersects with topics in Cardiofaciocutaneous syndrome, Genetic heterogeneity, Penetrance, Haplotype and Costello syndrome.
His studies in Costello syndrome integrate themes in fields like Noonan syndrome and Compound heterozygosity. His work deals with themes such as Detector and Near-infrared spectroscopy, which intersect with Observatory. He interconnects Cultured skin, DNA methylation and Pathology in the investigation of issues within Mutation.
His scientific interests lie mostly in Genetics, Mutation, Compound heterozygosity, Dysplasia and Cell biology. His Genetics and Noonan syndrome, Allele, Regulation of gene expression, Genomic imprinting and Genetic disorder investigations all form part of his Genetics research activities. His study in Noonan syndrome is interdisciplinary in nature, drawing from both Cardiofaciocutaneous syndrome, Costello syndrome, Short stature, MAPK/ERK pathway and PTPN11.
His Mutation research focuses on Pathology and how it connects with Lineage, Atrial septal defects, RASopathy, Hypertrophic cardiomyopathy and KRAS. The various areas that he examines in his Compound heterozygosity study include Exome sequencing, Exome, Colony stimulating factor 1 receptor and Proband. His biological study spans a wide range of topics, including Gene duplication, Fluorescence in situ hybridization, Leukoencephalopathy and Candidate gene.
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Germline mutations in HRAS proto-oncogene cause Costello syndrome
Yoko Aoki;Tetsuya Niihori;Hiroshi Kawame;Kenji Kurosawa.
Nature Genetics (2005)
Germline KRAS and BRAF mutations in cardio-facio-cutaneous syndrome
Tetsuya Niihori;Yoko Aoki;Yoko Narumi;Giovanni Neri.
Nature Genetics (2006)
Haploinsufficiency of NSD1 causes Sotos syndrome
Naohiro Kurotaki;Kiyoshi Imaizumi;Naoki Harada;Mitsuo Masuno.
Nature Genetics (2002)
An imprinted gene p57KIP2 is mutated in Beckwith-Wiedemann syndrome.
Izuho Hatada;Hirofumi Ohashi;Yoshimitsu Fukushima;Yasuhiko Kaneko.
Nature Genetics (1996)
Olfactory receptor-gene clusters, genomic-inversion polymorphisms, and common chromosome rearrangements.
Sabrina Giglio;Karl W. Broman;Naomichi Matsumoto;Vladimiro Calvari.
American Journal of Human Genetics (2001)
Mutations affecting components of the SWI/SNF complex cause Coffin-Siris syndrome
Yoshinori Tsurusaki;Nobuhiko Okamoto;Hirofumi Ohashi;Tomoki Kosho.
Nature Genetics (2012)
Mutations in FGFR1 and FGFR2 cause familial and sporadic Pfeiffer syndrome
Ute Schell;Andreas Hehr;George J. Feldman;Nathaniel H. Robin.
Human Molecular Genetics (1995)
Deletions and epimutations affecting the human 14q32.2 imprinted region in individuals with paternal and maternal upd(14)-like phenotypes
Masayo Kagami;Yoichi Sekita;Gen Nishimura;Masahito Irie.
Nature Genetics (2008)
Gain-of-Function Mutations in RIT1 Cause Noonan Syndrome, a RAS/MAPK Pathway Syndrome
Yoko Aoki;Tetsuya Niihori;Toshihiro Banjo;Nobuhiko Okamoto.
American Journal of Human Genetics (2013)
Skeletal features and growth patterns in 14 patients with haploinsufficiency of SHOX: Implications for the development of Turner syndrome
Tomoki Kosho;Koji Muroya;Toshiro Nagai;Masatoshi Fujimoto.
The Journal of Clinical Endocrinology and Metabolism (1999)
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