Hirohisa Tajima

1.8k total citations · 1 hit paper
26 papers, 1.5k citations indexed

About

Hirohisa Tajima is a scholar working on Cellular and Molecular Neuroscience, Physiology and Rheumatology. According to data from OpenAlex, Hirohisa Tajima has authored 26 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Cellular and Molecular Neuroscience, 12 papers in Physiology and 11 papers in Rheumatology. Recurrent topics in Hirohisa Tajima's work include Alzheimer's disease research and treatments (11 papers), GDF15 and Related Biomarkers (10 papers) and Nuclear Receptors and Signaling (9 papers). Hirohisa Tajima is often cited by papers focused on Alzheimer's disease research and treatments (11 papers), GDF15 and Related Biomarkers (10 papers) and Nuclear Receptors and Signaling (9 papers). Hirohisa Tajima collaborates with scholars based in Japan, United States and Sweden. Hirohisa Tajima's co-authors include Takako Niikura, Yoshiko Kita, Ikuo Nishimoto, Yuichi Hashimoto, Masaoki Kawasumi, Yuko Ito, Sadakazu Aiso, Keisuke Kouyama, Kenzo Terashita and Shoji Tsuji and has published in prestigious journals such as Proceedings of the National Academy of Sciences, FEBS Letters and Journal of Neurochemistry.

In The Last Decade

Hirohisa Tajima

25 papers receiving 1.5k 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.

A rescue factor abolishing neuronal cell death by a wide spectrum of familial Alzheimer's disease genes and Aβ

2001 517 citations Yuichi Hashimoto, Takako Niikura et al. profile →

Peers

Hirohisa Tajima

RHEUM

PHYSI

CMN

IMMUN

Kenzo Terashita Japan

Susanna Eketjäll Sweden

Shinya Tokuhiro Japan

Kuniaki Narisawa Japan

Belén Pérez Spain

Chen-Hsiung Yeh United States

J. N. Kanfer Canada

Miguel López de Heredia Spain

Olav M. Andersen Denmark

Yuiko Tsukada Japan

Kenzo Terashita Japan

Hirohisa Tajima

546 ×0.7

414 ×0.6

RHEUM

557 ×0.9

PHYSI

339 ×0.9

CMN

184 ×0.8

IMMUN

Citations per year, relative to Hirohisa Tajima Hirohisa Tajima (= 1×) peers Kenzo Terashita

Countries citing papers authored by Hirohisa Tajima

Since Specialization

Citations

This map shows the geographic impact of Hirohisa Tajima'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 Hirohisa Tajima with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hirohisa Tajima more than expected).

Fields of papers citing papers by Hirohisa Tajima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hirohisa Tajima. 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 Hirohisa Tajima. The network helps show where Hirohisa Tajima may publish in the future.

Co-authorship network of co-authors of Hirohisa Tajima

This figure shows the co-authorship network connecting the top 25 collaborators of Hirohisa Tajima. A scholar is included among the top collaborators of Hirohisa Tajima 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 Hirohisa Tajima. Hirohisa Tajima 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

Tajima, Hirohisa, et al.. (2023). Verification of Aircraft Position Information (ADS-B) Using Wireless Signal Features. Journal of the Japan Society of Applied Electromagnetics and Mechanics. 31(1). 25–29.

Hayashi, Masaaki, Hirohisa Tajima, Yuichi Hashimoto, & Masaaki Matsuoka. (2013). Secreted calmodulin-like skin protein ameliorates scopolamine-induced memory impairment. Neuroreport. 25(9). 725–729. 7 indexed citations

Yamada, Tomoko, Masato Inazu, Hirohisa Tajima, & Teruhiko Matsumiya. (2010). Functional expression of choline transporter-like protein 1 (CTL1) in human neuroblastoma cells and its link to acetylcholine synthesis. Neurochemistry International. 58(3). 354–365. 33 indexed citations

Inazu, Masato, et al.. (2009). Molecular and functional characterization of choline transporter in rat renal tubule epithelial NRK-52E cells. Archives of Biochemistry and Biophysics. 485(1). 88–96. 25 indexed citations

Inazu, Masato, et al.. (2008). Molecular and functional characterization of choline transporter in human colon carcinoma HT-29 cells. Archives of Biochemistry and Biophysics. 483(1). 90–98. 43 indexed citations

Arakawa, Tsutomu, Takako Niikura, Hirohisa Tajima, Fumio Arisaka, & Yoshiko Kita. (2007). Structure Analysis of Activity-dependent Neurotrophic Factor 9 by Circular Dichroism and Sedimentation Equilibrium. Journal of Molecular Neuroscience. 33(3). 262–267. 4 indexed citations

Niikura, Takako, Hirohisa Tajima, & Yoshiko Kita. (2006). Neuronal Cell Death in Alzheimers Disease and a Neuroprotective Factor, Humanin. Current Neuropharmacology. 4(2). 139–147. 131 indexed citations

Arakawa, Tsutomu, Takako Niikura, Hirohisa Tajima, & Yoshiko Kita. (2006). The secondary structure analysis of a potent Ser14Gly analog of antiAlzheimer peptide, Humanin, by circular dichroism. Journal of Peptide Science. 12(10). 639–642. 20 indexed citations

Tajima, Hirohisa, Masaoki Kawasumi, Tomohiro Chiba, et al.. (2005). A humanin derivative, S14G‐HN, prevents amyloid‐β‐induced memory impairment in mice. Journal of Neuroscience Research. 79(5). 714–723. 84 indexed citations

10.

Chiba, Tomohiro, Yuichi Hashimoto, Hirohisa Tajima, et al.. (2004). Neuroprotective effect of activity‐dependent neurotrophic factor against toxicity from familial amyotrophic lateral sclerosis‐linked mutant SOD1 in vitro and in vivo. Journal of Neuroscience Research. 78(4). 542–552. 33 indexed citations

11.

Abe, Yoichiro, Yuichi Hashimoto, Kenzo Terashita, et al.. (2004). Cytotoxic mechanisms by M239V presenilin 2, a little‐analyzed Alzheimer's disease‐causative mutant. Journal of Neuroscience Research. 77(4). 583–595. 12 indexed citations

12.

Niikura, Takako, Yuichi Hashimoto, Hirohisa Tajima, et al.. (2003). A tripartite motif protein TRIM11 binds and destabilizes Humanin, a neuroprotective peptide against Alzheimer's disease‐relevant insults. European Journal of Neuroscience. 17(6). 1150–1158. 100 indexed citations

13.

Terashita, Kenzo, Yuichi Hashimoto, Takako Niikura, et al.. (2003). Two serine residues distinctly regulate the rescue function of Humanin, an inhibiting factor of Alzheimer's disease‐related neurotoxicity: functional potentiation by isomerization and dimerization. Journal of Neurochemistry. 85(6). 1521–1538. 66 indexed citations

14.

Niikura, Takako, Yuichi Hashimoto, Hirohisa Tajima, & Ikuo Nishimoto. (2002). Death and survival of neuronal cells exposed to Alzheimer's insults. Journal of Neuroscience Research. 70(3). 380–391. 66 indexed citations

15.

Kawasumi, Masaoki, Yuichi Hashimoto, Tomohiro Chiba, et al.. (2002). Molecular Mechanisms for Neuronal Cell Death by Alzheimer’s Amyloid Precursor Protein-Relevant Insults. Neurosignals. 11(5). 236–250. 43 indexed citations

16.

Tajima, Hirohisa, Takako Niikura, Yuichi Hashimoto, et al.. (2002). Evidence for in vivo production of Humanin peptide, a neuroprotective factor against Alzheimer's disease-related insults. Neuroscience Letters. 324(3). 227–231. 118 indexed citations

17.

Orcel, Philippe, Hirohisa Tajima, Yoshitake Murayama, et al.. (2000). Multiple Domains Interacting with G_sin the Porcine Calcitonin Receptor. Molecular Endocrinology. 14(1). 170–182. 16 indexed citations

18.

Nishioka, T, Toshikazu Sekiguchi, Motoyasu Kusano, et al.. (1986). Effects of cisapride on lower esophageal sphincter pressure and gastroduodenal motor activity in man.. PubMed. 22(2). 103–112. 4 indexed citations

19.

Tajima, Hirohisa, Hiroyasu Kinemuchi, & Kazuya Kamijo. (1983). Comparative studies on benzylamine oxidase in rat stomach, spleen and testis.. The Japanese Journal of Pharmacology. 33. 322–322. 1 indexed citations

20.

Takemori, Shigeki, Hirohisa Tajima, Yoichi Nakai, et al.. (1974). A lactate oxygenase from Mycobacterium phlei. Archives of Biochemistry and Biophysics. 160(1). 289–303. 7 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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