Rikiya Ohashi

3.4k total citations · 1 hit paper
48 papers, 2.7k citations indexed

About

Rikiya Ohashi is a scholar working on Pharmacology, Molecular Biology and Oncology. According to data from OpenAlex, Rikiya Ohashi has authored 48 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Pharmacology, 14 papers in Molecular Biology and 12 papers in Oncology. Recurrent topics in Rikiya Ohashi's work include Pharmacogenetics and Drug Metabolism (15 papers), Drug Transport and Resistance Mechanisms (12 papers) and Metabolism and Genetic Disorders (10 papers). Rikiya Ohashi is often cited by papers focused on Pharmacogenetics and Drug Metabolism (15 papers), Drug Transport and Resistance Mechanisms (12 papers) and Metabolism and Genetic Disorders (10 papers). Rikiya Ohashi collaborates with scholars based in Japan, United States and Italy. Rikiya Ohashi's co-authors include Ikumi Tamai, Jun‐ichi Nezu, Yoshimichi Sai, Akira Tsuji, Asuka Oku, Miyuki Shimane, Hikaru Yabuuchi, Hiroko Nikaido, Noriyoshi Hashimoto and Kenji Mizuguchi and has published in prestigious journals such as Journal of Biological Chemistry, Nature Genetics and Hepatology.

In The Last Decade

Rikiya Ohashi

46 papers receiving 2.6k citations

Hit Papers

align trajectories sort by overperformance

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.

Molecular and Functional Identification of Sodium Ion-dependent, High Affinity Human Carnitine Transporter OCTN2

1998 584 citations Ikumi Tamai, Rikiya Ohashi et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Rikiya Ohashi Japan	21	1.4k	1.1k	933	572	531	48	2.7k
Charles L. Bisgaier United States	29	1.3k 1.0×	1.4k 1.3×	241 0.3×	498 0.9×	73 0.1×	57	4.4k
P. Haydn Pritchard Canada	38	363 0.3×	1.5k 1.3×	402 0.4×	556 1.0×	144 0.3×	111	4.3k
John Litchfield United States	19	610 0.4×	466 0.4×	492 0.5×	124 0.2×	230 0.4×	37	1.8k
Gerald Salen United States	43	435 0.3×	2.2k 1.9×	2.9k 3.1×	393 0.7×	324 0.6×	128	6.3k
Mohamed S. Rashed Saudi Arabia	24	904 0.7×	972 0.8×	127 0.1×	292 0.5×	345 0.6×	64	2.0k
Nobuaki Watanabe Japan	23	186 0.1×	926 0.8×	769 0.8×	169 0.3×	383 0.7×	104	2.6k
J.P. Leroux France	22	475 0.3×	842 0.7×	392 0.4×	213 0.4×	219 0.4×	47	1.9k
G. Stephen Tint United States	40	265 0.2×	2.1k 1.8×	1.9k 2.1×	452 0.8×	191 0.4×	105	4.7k
Dylan P. Hartley United States	24	147 0.1×	708 0.6×	972 1.0×	159 0.3×	382 0.7×	41	2.2k
Yoshiyuki Shirasaka Japan	29	114 0.1×	549 0.5×	1.4k 1.5×	187 0.3×	659 1.2×	83	2.4k

Countries citing papers authored by Rikiya Ohashi

Since Specialization

Citations

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

Fields of papers citing papers by Rikiya Ohashi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Rikiya Ohashi

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

Takaguri, Akira, et al.. (2024). SR9009 attenuates TGF-β1-induced renal fibrotic responses by inhibiting the NOX4/p38 signaling pathway in NRK-49F cells. European Journal of Pharmacology. 987. 177162–177162. 1 indexed citations

Kawashima, Hitoshi, Reiko Watanabe, Tsuyoshi Esaki, et al.. (2023). DruMAP: A Novel Drug Metabolism and Pharmacokinetics Analysis Platform. Journal of Medicinal Chemistry. 66(14). 9697–9709. 17 indexed citations

Ohashi, Rikiya, et al.. (2020). Design, synthesis, and pharmacological evaluation of 2-(4-sulfonylphenyl)-2-[(E)-pyrrolidin-1-ylimino]-N-thiazoleacetamides as glucokinase activators. Bioorganic & Medicinal Chemistry Letters. 30(15). 127249–127249. 2 indexed citations

Ohashi, Rikiya, et al.. (2016). New Screening Criteria Setting on Evaluation of Cytochrome P450 Induction Using HepaRG Cells with Multiplex Branched DNA Technologies in Early Drug Discovery. Drug Metabolism Letters. 10(3). 152–160. 3 indexed citations

Mizuno, Motohiro, et al.. (2014). Local structure and molecular motions in imidazolium hydrogen malonate crystal as studied by 2H and 13C NMR. Hyperfine Interactions. 230(1-3). 95–100. 4 indexed citations

Mizuno, Motohiro, et al.. (2014). Molecular orientation of hydrogen-bonded liquid crystal (6BA)2-(BPy) x as Studied by 2H NMR. Hyperfine Interactions. 230(1-3). 89–94. 2 indexed citations

Ohashi, Rikiya, et al.. (2014). Effects of the inhibition of intestinal P‐glycoprotein on aliskiren pharmacokinetics in cynomolgus monkeys. Biopharmaceutics & Drug Disposition. 36(1). 15–33. 11 indexed citations

Fukuda, Hajime, Rikiya Ohashi, Noriko Ohashi, Hikaru Yabuuchi, & Ikumi Tamai. (2010). Estimation of Transporters Involved in the Hepatobiliary Transport of TA-0201CA Using Sandwich-Cultured Rat Hepatocytes from Normal and Multidrug Resistance-Associated Protein 2-Deficient Rats. Drug Metabolism and Disposition. 38(9). 1505–1513. 10 indexed citations

Yabuuchi, Hikaru, et al.. (2008). Cloning of the dog bile salt export pump (BSEP; ABCB11) and functional comparison with the human and rat proteins. Biopharmaceutics & Drug Disposition. 29(8). 441–448. 23 indexed citations

10.

Fukuda, Hajime, Rikiya Ohashi, Minoru Tsuda-Tsukimoto, & Ikumi Tamai. (2008). Effect of Plasma Protein Binding on in Vitro-in Vivo Correlation of Biliary Excretion of Drugs Evaluated by Sandwich-Cultured Rat Hepatocytes. Drug Metabolism and Disposition. 36(7). 1275–1282. 59 indexed citations

11.

Irie, Kazuhiro, Kazuma Murakami, Yuichi Masuda, et al.. (2007). The Toxic Conformation of the 42-residue Amyloid β Peptide and Its Relevance to Oxidative Stress in Alzheimers Disease. Mini-Reviews in Medicinal Chemistry. 7(10). 1001–1008. 25 indexed citations

12.

Ohashi, Rikiya, et al.. (2006). EFFECT OF P-GLYCOPROTEIN ON INTESTINAL ABSORPTION AND BRAIN PENETRATION OF ANTIALLERGIC AGENT BEPOTASTINE BESILATE. Drug Metabolism and Disposition. 34(5). 793–799. 36 indexed citations

13.

Thompson, Gary A., et al.. (2005). The Metabolic Profile of Azimilide in Man: In Vivo and in Vitro Evaluations. Journal of Pharmaceutical Sciences. 94(9). 2084–2095. 6 indexed citations

14.

Castelhano, Arlindo L., Hanqing Dong, Matthew C. T. Fyfe, et al.. (2005). Glucokinase-activating ureas. Bioorganic & Medicinal Chemistry Letters. 15(5). 1501–1504. 35 indexed citations

15.

Ohashi, Rikiya, Ikumi Tamai, Jun‐ichi Nezu, et al.. (2001). Molecular and Physiological Evidence for Multifunctionality of Carnitine/Organic Cation Transporter OCTN2. Molecular Pharmacology. 59(2). 358–366. 15 indexed citations

16.

Yokogawa, Koiçhi, Ikumi Tamai, Rikiya Ohashi, et al.. (1999). Loss of wild-type carrier-mediated L-carnitine transport activity in hepatocytes of juvenile visceral steatosis mice. Hepatology. 30(4). 997–1001. 31 indexed citations

17.

Koizumi, Akio, T. Ohura, Yoshiyuki Wada, et al.. (1999). Genetic Epidemiology of the Carnitine Transporter OCTN2 Gene in a Japanese Population and Phenotypic Characterization in Japanese Pedigrees with Primary Systemic Carnitine Deficiency. Human Molecular Genetics. 8(12). 2247–2254. 134 indexed citations

18.

Ohashi, Rikiya, Ikumi Tamai, Jun‐ichi Nezu, et al.. (1999). Na+-Dependent Carnitine Transport by Organic Cation Transporter (OCTN2): Its Pharmacological and Toxicological Relevance. Journal of Pharmacology and Experimental Therapeutics. 291(2). 778–784. 213 indexed citations

19.

Hashimoto, Yoshihiro, et al.. (1998). Pharmacologic Profile of TA-606, a Novel Angiotensin II-Receptor Antagonist in the Rat. Journal of Cardiovascular Pharmacology. 31(4). 568–575. 34 indexed citations

20.

Ohashi, Rikiya, et al.. (1997). Pharmacokinetic Studies of Betotastine Besilate (TAU-284). (I): Absorption, Distribution, Metabolism and Excretion after a Single Oral Administration.. Drug Metabolism and Pharmacokinetics. 12(5). 417–438. 3 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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