Norio Ohnuma

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

About

Norio Ohnuma is a scholar working on Cardiology and Cardiovascular Medicine, Pathology and Forensic Medicine and Molecular Biology. According to data from OpenAlex, Norio Ohnuma has authored 33 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Cardiology and Cardiovascular Medicine, 10 papers in Pathology and Forensic Medicine and 9 papers in Molecular Biology. Recurrent topics in Norio Ohnuma's work include Heart Failure Treatment and Management (12 papers), Vitamin D Research Studies (9 papers) and Digestive system and related health (4 papers). Norio Ohnuma is often cited by papers focused on Heart Failure Treatment and Management (12 papers), Vitamin D Research Studies (9 papers) and Digestive system and related health (4 papers). Norio Ohnuma collaborates with scholars based in Japan, United States and Germany. Norio Ohnuma's co-authors include Kenji Kangawa, Norio Inomata, Zen Itoh, Hiroshi Hosoda, Shoji Tanaka, Masayasu Kojima, Yutaka Masuda, Anthony W. Norman, M. Furuya and Hisayuki Matsuo and has published in prestigious journals such as Journal of Biological Chemistry, Biochemical Journal and Biochemical and Biophysical Research Communications.

In The Last Decade

Norio Ohnuma

32 papers receiving 1.4k citations

Hit Papers

Ghrelin Stimulates Gastric Acid Secretion and Motility in... 2000 2026 2008 2017 2000 200 400 600
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.

  1. Ghrelin Stimulates Gastric Acid Secretion and Motility in Rats
    2000 733 citations Yutaka Masuda, Norio Inomata et al. Biochemical and Biophysical Research Communications profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Norio Ohnuma Japan 16 657 570 437 333 259 33 1.5k
Vito De Gennaro Colonna Italy 23 351 0.5× 125 0.2× 498 1.1× 365 1.1× 200 0.8× 51 1.5k
Jørgen Weeke Denmark 29 353 0.5× 206 0.4× 432 1.0× 114 0.3× 327 1.3× 51 2.0k
Fabio Settanni Italy 19 585 0.9× 282 0.5× 444 1.0× 121 0.4× 246 0.9× 43 1.4k
Ralf Nass United States 20 585 0.9× 348 0.6× 655 1.5× 108 0.3× 207 0.8× 45 1.5k
Etsuo Naito Japan 25 343 0.5× 241 0.4× 506 1.2× 46 0.1× 944 3.6× 84 2.1k
L Macho Slovakia 19 179 0.3× 175 0.3× 572 1.3× 88 0.3× 227 0.9× 149 1.3k
Koshi Natsui Japan 9 995 1.5× 682 1.2× 679 1.6× 41 0.1× 216 0.8× 11 1.6k
Martin S. Muntzel United States 13 195 0.3× 205 0.4× 249 0.6× 385 1.2× 125 0.5× 36 939
Janin Berndt Germany 12 427 0.6× 87 0.2× 1.3k 2.9× 382 1.1× 619 2.4× 12 2.5k
Yin Li China 23 394 0.6× 192 0.3× 533 1.2× 108 0.3× 530 2.0× 56 1.7k

Countries citing papers authored by Norio Ohnuma

Since Specialization
Citations

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

Fields of papers citing papers by Norio Ohnuma

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Norio Ohnuma

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

All Works

20 of 20 papers shown
1.
Sato, Seiji, Sayaka Yoshida, Akira Yamaki, et al.. (2012). A new strategy for metabolic stabilization of motilin using the C-terminal part of ghrelin. Peptides. 33(2). 279–284. 4 indexed citations
2.
Masuda, Yutaka, Norio Inomata, Norio Ohnuma, et al.. (2000). Ghrelin Stimulates Gastric Acid Secretion and Motility in Rats. Biochemical and Biophysical Research Communications. 276(3). 905–908. 733 indexed citations breakdown →
3.
Ohnuma, Norio, et al.. (1997). Pharmacokinetic Studies of Lanoteplase, a Novel Tissue Plasminogen Activator (2) Tissue Distribution after a Single Bolus Intravenous. 53(1). 11–21. 1 indexed citations
4.
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Furuya, M., Maki Yoshida, Yujiro Hayashi, et al.. (1991). C-Type natriuretic peptide is a growth inhibitor of rat vascular smooth muscle cells. Biochemical and Biophysical Research Communications. 177(3). 927–931. 170 indexed citations
7.
Mochizuki, Naoki, Hirofumi Sawa, Hisakazu Yasuda, et al.. (1991). Distribution of atrial natriuretic peptide in the conduction system and ventricular muscles of the human heart. Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin. 418(1). 9–16. 18 indexed citations
8.
Furuya, M., Yoshiharu Minamitake, Yasuo Kitajima, et al.. (1990). Novel natriuretic peptide, CNP, potently stimulates cyclic GMP production in rat cultured vascular smooth muscle cells. Biochemical and Biophysical Research Communications. 170(1). 201–208. 87 indexed citations
9.
Tsuji, Atsushi B., Hiroaki Sato, Ikumi Tamai, et al.. (1990). Physiologically based pharmacokinetics of a new penem, SUN5555, for evaluation of in vivo efficacy.. Drug Metabolism and Disposition. 18(2). 245–252. 15 indexed citations
10.
Furuya, Mayumi, et al.. (1989). Differential Stimulation of Rat Lung Particulate Guanylate Cyclase Activity by Atrial Natriuretic Peptide and Sodium Nitroprusside. The Journal of Biochemistry. 105(5). 697–699. 3 indexed citations
11.
Imamura, Takeshi, Norio Ohnuma, Mayumi Furuya, et al.. (1988). Protective effect of α-human atrial natriuretic polypeptide (α-hANP) on chemical-induced pulmonary edema. Life Sciences. 42(4). 403–414. 45 indexed citations
12.
Furuya, M., et al.. (1988). Stimulation of guanylate cyclase activity by irreversible binding of atrial natriuretic peptide to its receptor. Biochemical Pharmacology. 37(14). 2757–2763. 8 indexed citations
13.
Ohnuma, Norio, M. Furuya, Yujiro Hayashi, et al.. (1987). Alpha-Human Atrial Natriuretic Peptide (α-hANP) Prevents Pulmonary Edema Induced by Arachidonic Acid Treatment in Isolated Perfused Lung from Guinea Pig. The Japanese Journal of Pharmacology. 44(2). 211–214. 19 indexed citations
14.
Kanai, Yasushi, Norio Ohnuma, & Hisayuki Matsuo. (1987). Rat atrial natriuretic polypeptide increases net water, sodium and chloride absorption across rat small intestine in vivo.. The Japanese Journal of Pharmacology. 45(1). 7–13. 25 indexed citations
15.
Sassa, Shigeru, Osamu Sugita, Norio Ohnuma, et al.. (1986). Studies of the influence of chloro-substituent sites and conformational energy in polychlorinated biphenyls on uroporphyrin formation in chick-embryo liver cell cultures. Biochemical Journal. 235(1). 291–296. 24 indexed citations
16.
Koseki, Chizuko, et al.. (1986). Difference in molecular size of receptors for α-rat atrial natriuretic polypeptide among the kidney, aorta, and adrenal gland as identified by direct UV-photoaffinity labeling. Biochemical and Biophysical Research Communications. 136(1). 200–207. 16 indexed citations
17.
Mayer, E., June E. Bishop, Norio Ohnuma, & Anthony W. Norman. (1983). Biological activity assessment of the vitamin D metabolites 1,25-dihydroxy-24-oxo-vitamin D3 and 1,23,25-trihydroxy-24-oxo-vitamin D3. Archives of Biochemistry and Biophysics. 224(2). 671–676. 24 indexed citations
18.
19.
Mayer, E., S. Kadowaki, W. H. OKAMURA, et al.. (1981). Studies on the mode of action of calciferol—XXXV. Comparison of the biochemical properties and ligand specificities of receptors and antibodies for 1,25-dihydroxyvitamin D3. Journal of Steroid Biochemistry. 15. 145–151. 4 indexed citations
20.
Ueno, Koichi, et al.. (1980). Aspirin Inhibition of Hypercalcemic Effect of 1 α-Hydroxyvitamin D3 in Rats.. The Japanese Journal of Pharmacology. 30(5). 675–678. 4 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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