Shigeru Okuyama

7.5k total citations · 2 hit papers
148 papers, 6.4k citations indexed

About

Shigeru Okuyama is a scholar working on Molecular Biology, Cellular and Molecular Neuroscience and Physiology. According to data from OpenAlex, Shigeru Okuyama has authored 148 papers receiving a total of 6.4k indexed citations (citations by other indexed papers that have themselves been cited), including 74 papers in Molecular Biology, 74 papers in Cellular and Molecular Neuroscience and 21 papers in Physiology. Recurrent topics in Shigeru Okuyama's work include Receptor Mechanisms and Signaling (43 papers), Neuroscience and Neuropharmacology Research (42 papers) and Neuropeptides and Animal Physiology (22 papers). Shigeru Okuyama is often cited by papers focused on Receptor Mechanisms and Signaling (43 papers), Neuroscience and Neuropharmacology Research (42 papers) and Neuropeptides and Animal Physiology (22 papers). Shigeru Okuyama collaborates with scholars based in Japan, United States and Tunisia. Shigeru Okuyama's co-authors include Shigeyuki Chaki, Naoya Kawashima, Atsuro Nakazato, Keiji Wada, Kei Watase, Masahiko Watanabe, Kohichi Tanaka, Seiji Hori, Keiko Yamada and Misato Takimoto and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Shigeru Okuyama

144 papers receiving 6.2k 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.

Epilepsy and Exacerbation of Brain Injury in Mice Lacking the Glutamate Transporter GLT-1

1997 1.5k citations Shigeru Okuyama, Naoya Kawashima et al. profile →
Effects on blood pressure and exploratory behaviour of mice lacking angiotensin II type-2 receptor

1995 730 citations Shigeru Okuyama, Yasuko Imagawa et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Shigeru Okuyama Japan	37	3.2k	2.9k	837	722	668	148	6.4k
Bevyn Jarrott Australia	38	2.0k 0.6×	1.9k 0.6×	782 0.9×	756 1.0×	231 0.3×	230	4.8k
Chuang C. Chiueh United States	49	4.3k 1.4×	2.3k 0.8×	329 0.4×	1.6k 2.2×	245 0.4×	120	8.7k
Shigeyuki Chaki Japan	52	3.9k 1.2×	2.5k 0.9×	600 0.7×	553 0.8×	407 0.6×	185	7.5k
Wybren de Jong Netherlands	39	2.1k 0.7×	1.6k 0.6×	941 1.1×	1.1k 1.5×	710 1.1×	197	5.3k
U. Trendelenburg Germany	44	2.8k 0.9×	3.3k 1.1×	925 1.1×	1.6k 2.2×	424 0.6×	169	6.4k
J. Paul Hieble United States	32	2.0k 0.6×	2.9k 1.0×	473 0.6×	1.1k 1.6×	561 0.8×	112	5.1k
Aline Dumuis France	54	5.2k 1.6×	5.0k 1.7×	278 0.3×	891 1.2×	213 0.3×	98	7.7k
Philip M. Beart Australia	47	4.0k 1.3×	3.5k 1.2×	207 0.2×	1.1k 1.5×	116 0.2×	212	7.7k
Pascal Bousquet France	33	1.8k 0.6×	2.1k 0.7×	907 1.1×	876 1.2×	219 0.3×	158	4.3k
Tiziana Mennini Italy	49	3.8k 1.2×	3.0k 1.0×	137 0.2×	1.2k 1.7×	263 0.4×	270	9.3k

Countries citing papers authored by Shigeru Okuyama

Since Specialization

Citations

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

Fields of papers citing papers by Shigeru Okuyama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Shigeru Okuyama

This figure shows the co-authorship network connecting the top 25 collaborators of Shigeru Okuyama. A scholar is included among the top collaborators of Shigeru Okuyama 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 Shigeru Okuyama. Shigeru Okuyama is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Nakanishi, Yutaka, Dale K. Kobayashi, Takanobu Sakurai, et al.. (2008). Clarithromycin Prevents Smoke-induced Emphysema in Mice. American Journal of Respiratory and Critical Care Medicine. 179(4). 271–278. 41 indexed citations

2.

Okubo, Taketoshi, et al.. (2007). Synthesis of Diphenylmethyl Analogues and Their Affinity for the Melanocortin-4 Receptor and the Serotonin Transporter. Chemical and Pharmaceutical Bulletin. 55(7). 1044–1050. 4 indexed citations

3.

Chaki, Shigeyuki, Naoya Kawashima, Yoshiko Suzuki, Toshiharu Shimazaki, & Shigeru Okuyama. (2003). Cocaine- and amphetamine-regulated transcript peptide produces anxiety-like behavior in rodents. European Journal of Pharmacology. 464(1). 49–54. 84 indexed citations

4.

Masuko, Takashi, Kuniko Kusama‐Eguchi, Kaori Sakata, et al.. (2003). Polyamine transport, accumulation, and release in brain. Journal of Neurochemistry. 84(3). 610–617. 76 indexed citations

5.

Kawashima, Naoya, Shigeyuki Chaki, & Shigeru Okuyama. (2003). Electrophysiological effects of melanocortin receptor ligands on neuronal activities of monoaminergic neurons in rats. Neuroscience Letters. 353(2). 119–122. 25 indexed citations

6.

Watanabe, Tatsuo, Makoto Hashimoto, Shigeru Okuyama, Tadashi Inagami, & Shôji Nakamura. (1999). Effects of targeted disruption of the mouse angiotensin II type 2 receptor gene on stress‐induced hyperthermia. The Journal of Physiology. 515(3). 881–885. 38 indexed citations

7.

Okuyama, Shigeru, Ryoko Yoshikawa, Yoshiko Suzuki, et al.. (1997). In Vitro and In Vivo Characterization of the Dopamine D4 Receptor, Serotonin 5-HT2AReceptor and Alpha-1 Adrenoceptor Antagonist (R)-(+)-2-Amino-4-(4-Fluorophenyl)- 5-[1-[4-(4-Fluorophenyl)-4-Oxobutyl]Pyrrolidin-3-yl]Thiazole (NRA0045). Journal of Pharmacology and Experimental Therapeutics. 282(1). 56–63. 25 indexed citations

8.

Okuyama, Shigeru, Yasuko Imagawa, Takashi Sakagawa, et al.. (1994). NE-100, a novel sigma receptor ligand: Effect on phencyclidine-induced behaviors in rats, dogs and monkeys. Life Sciences. 55(7). PL133–PL138. 36 indexed citations

9.

Shima, Katsuji, et al.. (1994). Effect of lipo-PGI2 analogue TTC-909 on cerebral glucose metabolism during the recovery period following focal cerebral ischemia.. Nosotchu. 16(4). 278–284.

10.

Okuyama, Shigeru, Yasuko Imagawa, Makoto Tanaka, et al.. (1994). NE-100, a novel sigma receptor ligand: in vivo test (Part I).. The Japanese Journal of Pharmacology. 64. 198–198. 1 indexed citations

11.

Miyata, Noriyuki, et al.. (1993). Impairment of endothelium-dependent relaxation of superior mesenteric artery in genetically diabetic WBN/Kob rats. Canadian Journal of Physiology and Pharmacology. 71(3-4). 297–300. 12 indexed citations

12.

Hasegawa, Yutaka, Michio Kurachi, Shigeru Okuyama, Hiroaki Araki, & Susumu Otomo. (1990). 5-HT3 receptor antagonists inhibit the response of κ oploid receptors in the morphine-reduced straub tail. European Journal of Pharmacology. 190(3). 399–401. 17 indexed citations

13.

Karasawa, Yasuko, Hiroaki Araki, Shigeru Okuyama, Hironaka Aihara, & Susumu Otomo. (1990). Effect of Minaprine and Other Reference Drugs on Passive Avoidance Impairment Induced by Cerebral Ischemia in Mongolian Gerbils. The Japanese Journal of Pharmacology. 53(3). 339–346. 13 indexed citations

14.

Okuyama, Shigeru & Hironaka Aihara. (1989). Effect of minaprine on electrical activity of the rat hippocampus in vivo. Naunyn-Schmiedeberg s Archives of Pharmacology. 340(1). 1–5. 4 indexed citations

15.

Kamata, Katsuo, Tsutomu Kameyama, Shigeru Okuyama, S Hashimoto, & Hironaka Aihara. (1986). Denervation-like postsynaptic supersensitivity to dopamine agonists induced by microinjection of colchicine into the substantia nigra pars compacta. Brain Research. 367(1-2). 1–7. 13 indexed citations

16.

Okuyama, Shigeru, et al.. (1984). . Folia Pharmacologica Japonica. 83(4). 345–354. 4 indexed citations

17.

Okuyama, Shigeru, et al.. (1984). . Folia Pharmacologica Japonica. 83(6). 513–521. 1 indexed citations

18.

Kameyama, Tsutomu, et al.. (1981). Pharmacological action of eptazocine (l-1, 4-dimethyl-10-hydroxy-2, 3, 4, 5, 6, 7-hexahydro-1, 6-methano-1H-4-benzazonine). Folia Pharmacologica Japonica. 78(5-6). 629–645. 2 indexed citations

19.

Kameyama, Tsutomu, et al.. (1981). Pharmacological action of eptazocine (l-1, 4-dimethyl-10-hydroxy-2, 3, 4, 5, 6, 7-hexahydro-1, 6-methano-1H-4-benzazonine). Folia Pharmacologica Japonica. 78(5-6). 599–612. 5 indexed citations

20.

Kameyama, Tsutomu, et al.. (1981). Pharmacological action of eptazocine (l-1, 4-dimethyl-10-hydroxy-2, 3, 4, 5, 6, 7-hexahydro-1, 6-methano-lH-4-benzazonine). Folia Pharmacologica Japonica. 78(5-6). 613–627. 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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