Koji Ohira

6.1k total citations · 1 hit paper
118 papers, 4.4k citations indexed

About

Koji Ohira is a scholar working on Plant Science, Molecular Biology and Cellular and Molecular Neuroscience. According to data from OpenAlex, Koji Ohira has authored 118 papers receiving a total of 4.4k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Plant Science, 39 papers in Molecular Biology and 30 papers in Cellular and Molecular Neuroscience. Recurrent topics in Koji Ohira's work include Neurogenesis and neuroplasticity mechanisms (29 papers), Neuroscience and Neuropharmacology Research (19 papers) and GABA and Rice Research (16 papers). Koji Ohira is often cited by papers focused on Neurogenesis and neuroplasticity mechanisms (29 papers), Neuroscience and Neuropharmacology Research (19 papers) and GABA and Rice Research (16 papers). Koji Ohira collaborates with scholars based in Japan, Canada and Cambodia. Koji Ohira's co-authors include Tadahiko Mae, Amane Makino, Tsuyoshi Miyakawa, Kunihiko Ojima, Motoharu Hayashi, Akio Fujiwara, Keiko Shimizu, M. Hayashi, Hirotaka Shoji and Shun Nakamura and has published in prestigious journals such as Science, Nature Communications and Journal of Neuroscience.

In The Last Decade

Koji Ohira

115 papers receiving 4.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Hippocampal Neurogenesis Regulates Forgetting During Adulthood and Infancy

2014 538 citations Katherine G. Akers, Alonso Martínez-Canabal et al. Science profile →

Peers

Koji Ohira

CMN

Bernardo Morales Chile

Jonathan Soulé Norway

Tao Xu China

Kristin Hamre Norway

D. J. James United Kingdom

Manuel Megı́as Spain

Leon Dure United States

Junko Yamada Japan

Georges Pelletier Canada

Denis B. Rosemberg Brazil

Bernardo Morales Chile

Koji Ohira

392 ×0.2

886 ×0.5

1.6k ×1.5

CMN

348 ×0.4

800 ×1.9

Citations per year, relative to Koji Ohira Koji Ohira (= 1×) peers Bernardo Morales

Countries citing papers authored by Koji Ohira

Since Specialization

Citations

This map shows the geographic impact of Koji Ohira's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Koji Ohira with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Koji Ohira more than expected).

Fields of papers citing papers by Koji Ohira

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Koji Ohira. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Koji Ohira. The network helps show where Koji Ohira may publish in the future.

Co-authorship network of co-authors of Koji Ohira

This figure shows the co-authorship network connecting the top 25 collaborators of Koji Ohira. A scholar is included among the top collaborators of Koji Ohira based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Koji Ohira. Koji Ohira is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Shinoda, Yasutoshi, et al.. (2020). Predictors of increase in pacing threshold after transcatheter pacing system implantation due to micro‐dislodgement. Pacing and Clinical Electrophysiology. 43(11). 1351–1357. 6 indexed citations

Hagihara, Hideo, et al.. (2019). Expression of progenitor cell/immature neuron markers does not present definitive evidence for adult neurogenesis. Molecular Brain. 12(1). 108–108. 40 indexed citations

Akers, Katherine G., Alonso Martínez-Canabal, Leonardo Restivo, et al.. (2014). Hippocampal Neurogenesis Regulates Forgetting During Adulthood and Infancy. Science. 344(6184). 598–602. 538 indexed citations breakdown →

Hagihara, Hideo, Koji Ohira, Keizo Takao, & Tsuyoshi Miyakawa. (2014). Transcriptomic evidence for immaturity of the prefrontal cortex in patients with schizophrenia. Molecular Brain. 7(1). 41–41. 41 indexed citations

Nishijima, Motoaki, Shunsuke Murai, Koji Fujita, et al.. (2014). Accelerated discovery of cathode materials with prolonged cycle life for lithium-ion battery. Nature Communications. 5(1). 4553–4553. 109 indexed citations

Katsuki, Shinichi, Tomoki Fujita, Yusuke Saitoh, et al.. (2013). A randomized, double-blinded, placebo-controlled, multicenter trial, healing effect of rebamipide in patients with low-dose aspirin and/or non-steroidal anti-inflammatory drug induced small bowel injury. Journal of Gastroenterology. 49(2). 239–244. 42 indexed citations

Hattori, Satoko, Hideo Hagihara, Koji Ohira, et al.. (2013). In vivo evaluation of cellular activity in αCaMKII heterozygous knockout mice using manganese-enhanced magnetic resonance imaging (MEMRI). Frontiers in Integrative Neuroscience. 7. 76–76. 10 indexed citations

Ohira, Koji, Katsunori Kobayashi, Keiko Toyama, et al.. (2013). Synaptosomal-associated protein 25 mutation induces immaturity of the dentate granule cells of adult mice. Molecular Brain. 6(1). 12–12. 51 indexed citations

Koshimizu, Hisatsugu, Yasuyuki Fukui, Keizo Takao, et al.. (2011). Adenomatous polyposis coli heterozygous knockout mice display hypoactivity and age-dependent working memory deficits. Frontiers in Behavioral Neuroscience. 5. 85–85. 18 indexed citations

10.

Ohira, Koji. (2010). Injury-induced neurogenesis in the mammalian forebrain. Cellular and Molecular Life Sciences. 68(10). 1645–1656. 56 indexed citations

11.

Hioki, Hiroyuki, Hiroshi Kameda, Hiroyuki Nakamura, et al.. (2007). Efficient gene transduction of neurons by lentivirus with enhanced neuron-specific promoters. Gene Therapy. 14(11). 872–882. 123 indexed citations

12.

Ohira, Koji, Keiko Shimizu, & Motoharu Hayashi. (2001). TrkB dimerization during development of the prefrontal cortex of the macaque. Journal of Neuroscience Research. 65(5). 463–469. 20 indexed citations

13.

Ohira, Koji, Keiko Shimizu, & Motoharu Hayashi. (1999). Change of expression of full-length and truncated TrkBs in the developing monkey central nervous system. Developmental Brain Research. 112(1). 21–29. 38 indexed citations

14.

Hayashi, M., Fusako Mitsunaga, Koji Ohira, Keiko Shimizu, & Akiko Yamashita. (1999). Development of full-length Trk B-immunoreactive structures in the hippocampal formation of the macaque monkey. Anatomy and Embryology. 199(6). 529–537. 12 indexed citations

15.

Inagaki, Nobuya, et al.. (1990). Effect of CV-3988, a specific antagonist against platelet activating factor, on homologous passive cutaneous anaphylaxis in the mouse ear.. Journal of Pharmacobio-Dynamics. 13(5). 272–277. 11 indexed citations

16.

Ohira, Koji, et al.. (1985). Enzymic Properties of Ribulose-1,5-bisphosphate Carboxylase/Oxygenase Purified from Rice Leaves. PLANT PHYSIOLOGY. 79(1). 57–61. 85 indexed citations

17.

Makino, Amane, Tadahiko Mae, & Koji Ohira. (1985). Photosynthesis and ribulose-1,5-bisphosphate carboxylase/oxygenase in rice leaves from emergence through senescence. Quantitative analysis by carboxylation/oxygenation and regeneration of ribulose 1,5-bisphosphate. Planta. 166(3). 414–420. 149 indexed citations

18.

Makino, Amane, Tadahiko Mae, & Koji Ohira. (1983). Photosynthesis and Ribulose 1,5-Bisphosphate Carboxylase in Rice Leaves. PLANT PHYSIOLOGY. 73(4). 1002–1007. 172 indexed citations

19.

Fujiwara, Akio, et al.. (1967). STUDIES ON THE NITROGEN METABOLISM OF SOYBEANS I. VARIATION OF METABOLITES DURING THE GROWTH OF YOUNGER PLANTS. Tohoku Journal of Agricultural Research. 17(4). 303–313.

20.

Tsutsumi, Michio, Koji Ohira, & Akio Fujiwara. (1967). Copper Dificiency in Humus Rich Volcanic Ash Soil (Part 1) : Effects of Copper and Other Microelements, Lime, and Compost Supply on Growth of Barley. 38(12). 459–465. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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