Hirokazu Fujikawa

2.1k total citations · 1 hit paper
23 papers, 1.7k citations indexed

About

Hirokazu Fujikawa is a scholar working on Molecular Biology, Cellular and Molecular Neuroscience and Surgery. According to data from OpenAlex, Hirokazu Fujikawa has authored 23 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Molecular Biology, 6 papers in Cellular and Molecular Neuroscience and 4 papers in Surgery. Recurrent topics in Hirokazu Fujikawa's work include Neuroscience and Neuropharmacology Research (5 papers), Protein Kinase Regulation and GTPase Signaling (4 papers) and Calpain Protease Function and Regulation (2 papers). Hirokazu Fujikawa is often cited by papers focused on Neuroscience and Neuropharmacology Research (5 papers), Protein Kinase Regulation and GTPase Signaling (4 papers) and Calpain Protease Function and Regulation (2 papers). Hirokazu Fujikawa collaborates with scholars based in Japan, Canada and United States. Hirokazu Fujikawa's co-authors include Christopher Gregg, Samuel Weiss, Emeka K. Enwere, Tetsuro Shingo, Eiichi Tani, Shigeki Ohta, Colleen Geary, Rozina Hassam, James C. Cross and Motohiko Sato and has published in prestigious journals such as Science, Journal of Biological Chemistry and Journal of Neuroscience.

In The Last Decade

Hirokazu Fujikawa

23 papers receiving 1.7k 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.

Pregnancy-Stimulated Neurogenesis in the Adult Female Forebrain Mediated by Prolactin

2003 528 citations Tetsuro Shingo, Christopher Gregg et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Hirokazu Fujikawa Japan	15	672	581	382	232	208	23	1.7k
Christopher Gregg Canada	17	857 1.3×	1.1k 1.9×	582 1.5×	378 1.6×	135 0.6×	20	2.4k
Gloria K. Mak Canada	8	547 0.8×	575 1.0×	297 0.8×	200 0.9×	253 1.2×	10	1.6k
Motoharu Hayashi Japan	26	699 1.0×	559 1.0×	1.0k 2.7×	294 1.3×	202 1.0×	94	2.1k
Carlos Río United States	14	850 1.3×	322 0.6×	677 1.8×	275 1.2×	303 1.5×	32	2.1k
Cécile Viollet France	29	969 1.4×	285 0.5×	1.0k 2.6×	191 0.8×	265 1.3×	52	2.4k
Takashi Shiga Japan	23	650 1.0×	424 0.7×	771 2.0×	122 0.5×	192 0.9×	74	1.8k
Nadia Soussi‐Yanicostas France	25	824 1.2×	233 0.4×	436 1.1×	177 0.8×	225 1.1×	52	1.8k
Lavinia Albéri Switzerland	25	996 1.5×	385 0.7×	633 1.7×	251 1.1×	265 1.3×	47	2.0k
Haruo Nogami Japan	25	883 1.3×	230 0.4×	997 2.6×	148 0.6×	335 1.6×	77	2.7k
François S. Roman France	26	572 0.9×	292 0.5×	988 2.6×	216 0.9×	372 1.8×	66	2.0k

Countries citing papers authored by Hirokazu Fujikawa

Since Specialization

Citations

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

Fields of papers citing papers by Hirokazu Fujikawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hirokazu Fujikawa

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

Wakasugi, Minako, Masaaki Nagai, Kentaro Omori, et al.. (2019). The Association between Earlobe Creases and Cardiovascular Events in Japanese Hemodialysis Patients: A Prospective Cohort Study. Internal Medicine. 59(7). 927–932. 2 indexed citations

Wakasugi, Minako, Junichiro James Kazama, Kazuko Kawamura, et al.. (2017). Prevalence of Earlobe Creases and Their Association With History of Cardiovascular Disease in Patients Undergoing Hemodialysis: A Cross‐Sectional Study. Therapeutic Apheresis and Dialysis. 21(5). 478–484. 5 indexed citations

Yaguchi, Takahiro, Hirokazu Fujikawa, & Tomoyuki Nishizaki. (2010). Linoleic Acid Derivative DCP-LA Protects Neurons from Oxidative Stress-Induced Apoptosis by Inhibiting Caspase-3/-9 Activation. Neurochemical Research. 35(5). 712–717. 17 indexed citations

Fujikawa, Hirokazu, Takeshi Kanno, Tetsu Nagata, & Tomoyuki Nishizaki. (2008). The phosphodiesterase III inhibitor olprinone inhibits hippocampal glutamate release via a cGMP/PKG pathway. Neuroscience Letters. 448(2). 208–211. 8 indexed citations

Kanno, Takeshi, Hideyuki Yamamoto, Takahiro Yaguchi, et al.. (2006). The linoleic acid derivative DCP-LA selectively activates PKC-ɛ, possibly binding to the phosphatidylserine binding site. Journal of Lipid Research. 47(6). 1146–1156. 61 indexed citations

Watanabe, Kanako, Takahiro Yaguchi, Dongqin Yang, et al.. (2006). Beneficial effect of intracellular free high-mannose oligosaccharides on cryopreservation of mammalian cells and proteins. Cryobiology. 53(3). 330–335. 4 indexed citations

Kanno, Takeshi, Takahiro Yaguchi, Satoshi Yamamoto, et al.. (2005). Bidirectional regulations for glutamate and GABA release in the hippocampus by α7 and non-α7 ACh receptors. Biochemical and Biophysical Research Communications. 338(2). 742–747. 15 indexed citations

Yokota, Masayuki, Takaomi C. Saido, Ichiro Satokata, et al.. (2005). Spatial resolution of calpain-catalyzed proteolysis in focal cerebral ischemia. Brain Research. 1040(1-2). 36–43. 14 indexed citations

Yaguchi, Takahiro, Tetsu Nagata, Takeshi Mukasa, et al.. (2005). Linoleic acid derivative DCP-LA improves learning impairment in SAMP8. Neuroreport. 17(1). 105–108. 15 indexed citations

10.

Maruo, Keishi, Hideyuki Yamamoto, Satoshi Yamamoto, et al.. (2005). Modulation of P2X receptors via adrenergic pathways in rat dorsal root ganglion neurons after sciatic nerve injury. Pain. 120(1-2). 106–112. 60 indexed citations

11.

Kanno, Takeshi, Takahiro Yaguchi, Satoshi Yamamoto, et al.. (2005). 8‐[2‐(2‐pentyl‐cyclopropylmethyl)‐cyclopropyl]‐octanoic acid stimulates GABA release from interneurons projecting to CA1 pyramidal neurons in the rat hippocampus via pre‐synaptic α7 acetylcholine receptors. Journal of Neurochemistry. 95(3). 695–702. 16 indexed citations

12.

Enwere, Emeka K., Tetsuro Shingo, Christopher Gregg, et al.. (2004). Aging Results in Reduced Epidermal Growth Factor Receptor Signaling, Diminished Olfactory Neurogenesis, and Deficits in Fine Olfactory Discrimination. Journal of Neuroscience. 24(38). 8354–8365. 432 indexed citations

13.

Mori, Kanji, Yonehiro Kanemura, Hirokazu Fujikawa, et al.. (2002). Brain-specific angiogenesis inhibitor 1 (BAI1) is expressed in human cerebral neuronal cells. Neuroscience Research. 43(1). 69–74. 41 indexed citations

14.

Kanemura, Yonehiro, Mami Yamasaki, Hirokazu Fujikawa, et al.. (2001). Musashi1, an evolutionarily conserved neural RNA-binding protein, is a versatile marker of human glioma cells in determining their cellular origin, malignancy, and proliferative activity. Differentiation. 68(2-3). 141–152. 117 indexed citations

15.

Sato, Motohiko, Eiichi Tani, Hirokazu Fujikawa, et al.. (2001). Importance of Rho-Kinase-Mediated Phosphorylation of Myosin Light Chain in Vasospasm. PubMed. 77. 49–54. 1 indexed citations

16.

Fujikawa, Hirokazu, et al.. (2000). PHOSPHORYLATION OF CALPONIN OF CANINE BASILAR ARTERY IN VASOSPASM. 9(2). 225–226. 1 indexed citations

17.

Sato, Motohiko, et al.. (2000). IMPORTANCE OF RHO-KINASE-MEDIATED PHOSPHORYLATION OF MYOSIN LIGHT CHAIN IN CEREBRAL VASOSPASM. 9(2). 223–224. 2 indexed citations

18.

Sato, Motohiko, Eiichi Tani, Hirokazu Fujikawa, & Kozo Kaibuchi. (2000). Involvement of Rho-Kinase–Mediated Phosphorylation of Myosin Light Chain in Enhancement of Cerebral Vasospasm. Circulation Research. 87(3). 195–200. 198 indexed citations

19.

Tani, Eiichi, et al.. (1999). Activation of Stress-activated Protein Kinase/c-Jun NH2-terminal Kinase and p38 Kinase in Calphostin C-induced Apoptosis Requires Caspase-3-like Proteases but Is Dispensable for Cell Death. Journal of Biological Chemistry. 274(9). 5310–5317. 74 indexed citations

20.

Fujikawa, Hirokazu, Eiichi Tani, Ikuya Yamaura, et al.. (1999). Activation of Protein Kinases in Canine Basilar Artery in Vasospasm. Journal of Cerebral Blood Flow & Metabolism. 19(1). 44–52. 37 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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