Seiichi Inayama

10.7k total citations · 6 hit papers
136 papers, 8.5k citations indexed

About

Seiichi Inayama is a scholar working on Molecular Biology, Organic Chemistry and Cancer Research. According to data from OpenAlex, Seiichi Inayama has authored 136 papers receiving a total of 8.5k indexed citations (citations by other indexed papers that have themselves been cited), including 73 papers in Molecular Biology, 31 papers in Organic Chemistry and 31 papers in Cancer Research. Recurrent topics in Seiichi Inayama's work include Natural product bioactivities and synthesis (21 papers), Cancer, Hypoxia, and Metabolism (16 papers) and Sesquiterpenes and Asteraceae Studies (13 papers). Seiichi Inayama is often cited by papers focused on Natural product bioactivities and synthesis (21 papers), Cancer, Hypoxia, and Metabolism (16 papers) and Sesquiterpenes and Asteraceae Studies (13 papers). Seiichi Inayama collaborates with scholars based in Japan, United States and Egypt. Seiichi Inayama's co-authors include Tadaaki Hirose, Shosaku Numa, Masaharu Noda, Hideo Takahashi, Yasuji Furutani, Shigetada Nakanishi, Mitsuyoshi Toyosato, Tsutomu Tanabe, Takashi Miyata and Hideaki Takashima and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Nucleic Acids Research.

In The Last Decade

Seiichi Inayama

134 papers receiving 7.9k citations

Hit Papers

5 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.

Primary structure of Electrophorus electricus sodium channel deduced from cDNA sequence

1984 1.0k citations Masaharu Noda, Shin Shimizu et al. Nature profile →
Cloning and sequence analysis of cDNA for bovine adrenal preproenkephalin

1982 761 citations Masaharu Noda, Yasuji Furutani et al. Nature profile →
Cloning and sequence analysis of cDNA for porcine β-neo-endorphin/dynorphin precursor

1982 634 citations Yasuji Furutani, Masaharu Noda et al. Nature profile →
Nucleotide sequences of cloned cDNAs for two types of bovine brain substance P precursor

1983 628 citations Tadaaki Hirose, Seiichi Inayama et al. Nature profile →
Structural homology of Torpedo californica acetylcholine receptor subunits

1983 621 citations Masaharu Noda, Hideo Takahashi et al. Nature profile →
Primary structure of α-subunit precursor of Torpedo californica acetylcholine receptor deduced from cDNA sequence

1982 557 citations Masaharu Noda, Hideo Takahashi et al. Nature profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Seiichi Inayama Japan	32	6.1k	3.6k	643	606	425	136	8.5k
Hideo Takahashi Japan	41	7.8k 1.3×	4.6k 1.3×	904 1.4×	818 1.3×	348 0.8×	101	9.9k
Tadaaki Hirose Japan	40	10.5k 1.7×	5.5k 1.5×	1.3k 2.0×	835 1.4×	451 1.1×	58	13.4k
Yoram Salomon Israel	40	5.1k 0.8×	2.4k 0.7×	343 0.5×	1.1k 1.8×	623 1.5×	126	9.7k
Tatsuya Haga Japan	50	6.3k 1.0×	4.4k 1.2×	333 0.5×	557 0.9×	194 0.5×	157	8.6k
Kenneth B. Seamon United States	29	3.5k 0.6×	1.8k 0.5×	323 0.5×	936 1.5×	340 0.8×	62	5.9k
N.J.M. Birdsall United Kingdom	57	10.9k 1.8×	7.0k 1.9×	542 0.8×	1.1k 1.7×	272 0.6×	160	13.6k
Susanna Cotecchia Switzerland	55	9.4k 1.5×	6.3k 1.7×	881 1.4×	1.4k 2.3×	803 1.9×	137	11.8k
R. A. John Challiss United Kingdom	50	5.9k 1.0×	3.5k 1.0×	547 0.9×	1.8k 2.9×	391 0.9×	252	8.8k
Peter W. Schiller Canada	47	6.9k 1.1×	4.6k 1.3×	618 1.0×	1.2k 2.1×	307 0.7×	294	8.9k
Edward J. Cragoe United States	56	8.3k 1.4×	2.8k 0.8×	1.4k 2.1×	1.8k 2.9×	523 1.2×	346	12.4k

Countries citing papers authored by Seiichi Inayama

Since Specialization

Citations

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

Fields of papers citing papers by Seiichi Inayama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Seiichi Inayama

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

Jin, Chengzhe, Hideko Nagasawa, Mariko Shimamura, et al.. (2004). Angiogenesis inhibitor TX-1898: syntheses of the enantiomers of sterically diverse haloacetylcarbamoyl-2-nitroimidazole hypoxic cell radiosensitizers. Bioorganic & Medicinal Chemistry. 12(18). 4917–4927. 22 indexed citations

Shimamura, Mariko, Hideko Nagasawa, Hiromi Ashino, et al.. (2003). A novel hypoxia-dependent 2-nitroimidazole KIN-841 inhibits tumour-specific angiogenesis by blocking production of angiogenic factors. British Journal of Cancer. 88(2). 307–313. 24 indexed citations

Kasai, Soko, Hideko Nagasawa, Yoshihiro Uto, et al.. (2001). New antimetastatic hypoxic cell radiosensitizers: design, synthesis, and biological activities of 2-nitroimidazole-acetamide, TX-1877, and its analogues. Bioorganic & Medicinal Chemistry. 9(2). 453–464. 41 indexed citations

Hori, Hitoshi, et al.. (2000). Studies of Methyl 2-Nitroimidazole-1-acetohydroxamate (KIN-804). 1: Effect on Free Radical Scavenging System in Mice Bearing Ehrlich Ascites Carcinoma.. Biological and Pharmaceutical Bulletin. 23(2). 190–194. 10 indexed citations

Uji, Yoshinori, Arthur Karmen, Hiroaki Okabe, et al.. (1994). Measurement of free and total hydroxyproline by automated flow injection of serum or urine samples from maintenance hemodialysis patients with renal osteodystrophy. Journal of Clinical Laboratory Analysis. 8(5). 267–272. 6 indexed citations

Tada, Takuhito, Toshifumi Nakajima, Yasuto Onoyama, et al.. (1994). In vivo radiosensitizing effect of nitroimidazole derivative KIN-804. International Journal of Radiation Oncology*Biology*Physics. 29(3). 601–605. 2 indexed citations

Nagasawa, Hideko, Masahiro Bando, Hitoshi Hori, et al.. (1992). Radiosensitizing, toxicological, and pharmacokinetic properties of hydroxamate analogues of nitroimidazoles as bifunctional radiosensitizers/chemical modifiers. International Journal of Radiation Oncology*Biology*Physics. 22(3). 561–564. 12 indexed citations

Hori, Hitoshi, Chieko Murayama, Tomoyuki Mori, et al.. (1989). KIH-802: 2-nitroimidazole-1-acetohydroxamate as a hypoxic cell radiosensitizer. International Journal of Radiation Oncology*Biology*Physics. 16(4). 1029–1032. 11 indexed citations

Iitaka, Yöichi, et al.. (1988). The Stereostructure of (1R, 10R)-epoxy-(-)-1, 10-dihydrocurdione from Curcuma wenyujin. 42(4). 347–349. 1 indexed citations

10.

Maruyama, Katsuya, et al.. (1987). Production of type IV collagen degrading enzyme by sinusoidal cells in monolayer culture.. Kanzo. 28(7). 973–974. 1 indexed citations

11.

Inayama, Seiichi, et al.. (1987). Effect of low-power He-Ne laser radiation on healing of incised skin wound guinea pigs. Nippon Laser Igakkaishi. 7(3). 91–92. 2 indexed citations

12.

Hori, Hitoshi, et al.. (1987). The absolute configuration of regelidine, a novel 6-nicotinoyl dihydroagarofuran sesquiterpene alkaloid from Tripterygium regelii.. Chemical and Pharmaceutical Bulletin. 35(11). 4683–4686. 18 indexed citations

13.

Ohkura, Tamiko, et al.. (1986). Dithioacetal; as a Chiroptical Functional Group to Determine Absolute and Relative Configuration by CD and 1H NMR Spectra. Heterocycles. 24(4). 897–897. 3 indexed citations

14.

Ohta, Yasuhiko, Carlos Jaime, Eiji Ōsawa, et al.. (1985). A note on the A-ring conformation in 2-chloro-1,2-dihydrosantonins.. Chemical and Pharmaceutical Bulletin. 33(1). 400–403. 1 indexed citations

15.

Noda, Masaharu, Yasuji Furutani, Hideo Takahashi, et al.. (1983). Cloning and sequence analysis of calf cDNA and human genomic DNA encoding α-subunit precursor of muscle acetylcholine receptor. Nature. 305(5937). 818–823. 339 indexed citations

16.

Murayama, Chieko, Tomoyuki Mori, Hitoshi Hori, & Seiichi Inayama. (1982). A comparative study on the radiosensitizing effects and cytotoxic properties of misonidazole and 2,4-dinitroimidazole-1-ethanol in HeLa S3 cells. Cancer Science. 73(4). 588–591. 2 indexed citations

17.

Inayama, Seiichi, et al.. (1980). A rapid and simple screening method for methamphetamine in urine by radioimmunoassay using a 125I-labeled methamphetamine derivative.. Chemical and Pharmaceutical Bulletin. 28(9). 2779–2782. 6 indexed citations

18.

Inayama, Seiichi, et al.. (1975). A novel pseudotwistane, pulchellon from Gaillardia pulchella.. Chemical and Pharmaceutical Bulletin. 23(11). 2998–3007. 2 indexed citations

19.

Inayama, Seiichi, et al.. (1970). The complete structures of pulchellidine and pulchellin a crystallographic study of 11,13-dibromopulchellin. Tetrahedron Letters. 11(2). 135–138. 3 indexed citations

20.

Inayama, Seiichi, et al.. (1954). ANALOGS OF SANTONIN. III. DEHYDROBROMINATION OF 2-BROMO- AND 2,6-DIBROMO-2,4,4-TRIMETHYLCYCLOHEXAN-1-ONE^1,2. The Journal of Organic Chemistry. 19(11). 1724–1733. 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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