Kenji Sampei

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

About

Kenji Sampei is a scholar working on Molecular Biology, Neurology and Epidemiology. According to data from OpenAlex, Kenji Sampei has authored 19 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Molecular Biology, 7 papers in Neurology and 6 papers in Epidemiology. Recurrent topics in Kenji Sampei's work include Intracranial Aneurysms: Treatment and Complications (6 papers), Acute Ischemic Stroke Management (6 papers) and Heme Oxygenase-1 and Carbon Monoxide (5 papers). Kenji Sampei is often cited by papers focused on Intracranial Aneurysms: Treatment and Complications (6 papers), Acute Ischemic Stroke Management (6 papers) and Heme Oxygenase-1 and Carbon Monoxide (5 papers). Kenji Sampei collaborates with scholars based in Japan, United States and France. Kenji Sampei's co-authors include Richard J. Traystman, Patricia D. Hurn, Solomon H. Snyder, Allen S. Mandir, Valina L. Dawson, Ted M. Dawson, Zhao‐Qi Wang, Mikael J. L. Eliasson, Andrew A. Pieper and Jun Bao and has published in prestigious journals such as Nature Medicine, Stroke and Neuroscience.

In The Last Decade

Kenji Sampei

16 papers receiving 1.5k citations

Hit Papers

Poly(ADP-ribose) polymerase gene disruption renders mice ... 1997 2026 2006 2016 1997 250 500 750
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. Poly(ADP-ribose) polymerase gene disruption renders mice resistant to cerebral ischemia
    1997 857 citations Mikael J. L. Eliasson, Kenji Sampei et al. Nature Medicine profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kenji Sampei Japan 13 794 461 197 160 150 19 1.5k
Masaharu Hori Japan 16 413 0.5× 338 0.7× 161 0.8× 266 1.7× 174 1.2× 40 1.4k
Ted M. Dawson United States 7 669 0.8× 462 1.0× 74 0.4× 169 1.1× 56 0.4× 7 1.3k
Matthew J. Brody United States 26 1.0k 1.3× 190 0.4× 133 0.7× 82 0.5× 40 0.3× 52 2.3k
John Blanchard United States 24 485 0.6× 140 0.3× 96 0.5× 133 0.8× 98 0.7× 45 1.6k
Yong Yan China 26 821 1.0× 147 0.3× 84 0.4× 152 0.9× 83 0.6× 89 1.7k
Martin J. Stevens United States 18 345 0.4× 177 0.4× 267 1.4× 120 0.8× 73 0.5× 23 1.8k
Steven R. Ennis United States 22 468 0.6× 139 0.3× 339 1.7× 355 2.2× 83 0.6× 30 1.5k
Xiaohua Zhang China 22 756 1.0× 162 0.4× 182 0.9× 118 0.7× 50 0.3× 77 1.6k
Margot C. LaPointe United States 31 1.0k 1.3× 201 0.4× 49 0.2× 137 0.9× 46 0.3× 48 2.2k
Nobutaka Koibuchi Japan 31 957 1.2× 211 0.5× 125 0.6× 323 2.0× 29 0.2× 58 2.5k

Countries citing papers authored by Kenji Sampei

Since Specialization
Citations

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

Fields of papers citing papers by Kenji Sampei

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kenji Sampei

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

All Works

19 of 19 papers shown
1.
Mito, Toshiaki, Herman Kwansa, Kenji Sampei, et al.. (2008). Decreased Damage From Transient Focal Cerebral Ischemia by Transfusion of Zero-Link Hemoglobin Polymers in Mouse. Stroke. 40(1). 278–284. 23 indexed citations
2.
Sampei, Kenji, John A. Ulatowski, Yoshio Asano, et al.. (2005). Role of nitric oxide scavenging in vascular response to cell-free hemoglobin transfusion. American Journal of Physiology-Heart and Circulatory Physiology. 289(3). H1191–H1201. 36 indexed citations
3.
Kano, Yutaka, et al.. (2004). Time course of capillary structure changes in rat skeletal muscle following strenuous eccentric exercise. Acta Physiologica Scandinavica. 180(3). 291–299. 46 indexed citations
4.
Goto, Shozo, Kenji Sampei, Nabil J. Alkayed, Sylvain Doré, & Raymond C. Koehler. (2003). Characterization of a new double-filament model of focal cerebral ischemia in heme oxygenase-2-deficient mice. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 285(1). R222–R230. 16 indexed citations
5.
Sampei, Kenji, Allen S. Mandir, Yoshio Asano, et al.. (2000). Stroke Outcome in Double-Mutant Antioxidant Transgenic Mice. Stroke. 31(11). 2685–2691. 36 indexed citations
6.
Sampei, Kenji, Shozo Goto, Nabil J. Alkayed, et al.. (2000). Stroke in Estrogen Receptor-α–Deficient Mice. Stroke. 31(3). 738–744. 126 indexed citations
7.
Doré, Sylvain, Satoshi Goto, Kenji Sampei, et al.. (2000). Heme oxygenase-2 acts to prevent neuronal death in brain cultures and following transient cerebral ischemia. Neuroscience. 99(4). 587–592. 122 indexed citations
8.
Doré, Sylvain, Kenji Sampei, Shozo Goto, et al.. (1999). Heme Oxygenase-2 Is Neuroprotective in Cerebral Ischemia. Molecular Medicine. 5(10). 656–663. 142 indexed citations
9.
Sampei, Kenji, Raymond C. Koehler, Enrico Bucci, Patricia D. Hurn, & Richard J. Traystman. (1998). Decreased infarction by polymeric hemoglobin exchange transfusion during focal cerebral ischemia in the mouse. 12(5).
10.
Sawada, Motoshi, et al.. (1998). Restenosis after transluminal angioplasty for atherosclerotic vertebral and subclavian artery stenosis. Journal of Clinical Neuroscience. 5(2). 220–225.
11.
Kazekawa, Kiyoshi, et al.. (1997). Nontoxic embolic liquids for treatment of arteriovenous malformations. Journal of Biomedical Materials Research. 38(2). 79–86. 28 indexed citations
12.
Eliasson, Mikael J. L., Kenji Sampei, Allen S. Mandir, et al.. (1997). Poly(ADP-ribose) polymerase gene disruption renders mice resistant to cerebral ischemia. Nature Medicine. 3(10). 1089–1095. 857 indexed citations breakdown →
13.
Yoshimura, Shin, Nobuo Hashimoto, Yasunobu Goto, et al.. (1997). Intraarterial infusion of high-concentration papaverine damages cerebral arteries in rats.. American Journal of Neuroradiology. 17(10). 1891–4. 17 indexed citations
14.
Yoshimura, Shinichi, Nobuo Hashimoto, Kenji Sampei, & Shogo Nishi. (1996). Interlocking detachable coils for spontaneous vertebral arteriovenous fistula. Journal of Clinical Neuroscience. 3(3). 261–263. 1 indexed citations
15.
Sampei, Kenji, Nobuo Hashimoto, Kiyoshi Kazekawa, et al.. (1996). Histological changes in brain tissue and vasculature after intracarotid infusion of organic solvents in rats. Neuroradiology. 38(3). 291–294. 47 indexed citations
16.
Sampei, Kenji, et al.. (1996). Histological changes in brain tissue and vasculature after intracarotid infusion of organic solvents in rats. Neuroradiology. 38(3). 291–294. 4 indexed citations
17.
Yoshimura, Shinichi, Nobuo Hashimoto, Shogo Nishi, Kiyoshi Kazekawa, & Kenji Sampei. (1995). Embolization of Dural AV Fistulas. Surgery for Cerebral Stroke. 23(5). 345–350.
18.
Sampei, Kenji, Nobuo Hashimoto, Kiyoshi Kazekawa, & Shinichi Yoshimura. (1995). Autoperfusion balloon catheter for treatment of vertebral artery stenosis. Neuroradiology. 37(7). 561–563. 6 indexed citations
19.
Yoshimura, Shinichi, Nobuo Hashimoto, Kiyoshi Kazekawa, Shogo Nishi, & Kenji Sampei. (1995). Embolization of dural arteriovenous fistulas with interlocking detachable coils.. American Journal of Neuroradiology. 16(2). 322–4. 14 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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