Kenichi Ikejima

7.8k total citations · 1 hit paper
147 papers, 6.2k citations indexed

About

Kenichi Ikejima is a scholar working on Epidemiology, Hepatology and Molecular Biology. According to data from OpenAlex, Kenichi Ikejima has authored 147 papers receiving a total of 6.2k indexed citations (citations by other indexed papers that have themselves been cited), including 68 papers in Epidemiology, 43 papers in Hepatology and 37 papers in Molecular Biology. Recurrent topics in Kenichi Ikejima's work include Liver Disease Diagnosis and Treatment (59 papers), Alcohol Consumption and Health Effects (27 papers) and Liver physiology and pathology (23 papers). Kenichi Ikejima is often cited by papers focused on Liver Disease Diagnosis and Treatment (59 papers), Alcohol Consumption and Health Effects (27 papers) and Liver physiology and pathology (23 papers). Kenichi Ikejima collaborates with scholars based in Japan, United States and Australia. Kenichi Ikejima's co-authors include Nobuhiro Sato, Yoshiyuki Takei, Nobuyuki Enomoto, Shunhei Yamashina, Sumio Watanabe, Ronald G. Thurman, Tsuneo Kitamura, Miyoko Hirose, Kazuyoshi Kon and Mutsuko Yoshikawa and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Gastroenterology.

In The Last Decade

Kenichi Ikejima

138 papers receiving 6.1k 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.

Evidence-based clinical practice guidelines for nonalcoholic fatty liver disease/nonalcoholic steatohepatitis 2020

2021 179 citations Kenichi Ikejima, Masato Yoneda et al. Journal of Gastroenterology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kenichi Ikejima Japan	44	3.6k	1.7k	1.6k	1.1k	1.0k	147	6.2k
Natalia Nieto United States	43	2.5k 0.7×	1.6k 1.0×	1.5k 1.0×	1.0k 0.9×	615 0.6×	101	5.5k
Jacquelyn J. Maher United States	40	3.2k 0.9×	2.9k 1.7×	2.0k 1.2×	546 0.5×	773 0.8×	97	6.8k
Samuele De Minicis Italy	39	4.3k 1.2×	3.2k 1.9×	1.8k 1.2×	558 0.5×	1.1k 1.1×	57	7.1k
Won‐Il Jeong South Korea	37	2.1k 0.6×	1.3k 0.8×	1.7k 1.1×	731 0.7×	661 0.7×	92	6.0k
Mark J. Czaja United States	49	3.8k 1.1×	1.6k 1.0×	2.9k 1.8×	744 0.7×	689 0.7×	90	8.0k
Gabriel Perlemuter France	36	3.3k 0.9×	1.9k 1.1×	1.6k 1.0×	946 0.9×	815 0.8×	112	5.5k
Svetlana Radaeva United States	34	2.1k 0.6×	1.3k 0.8×	904 0.6×	1.1k 1.0×	1.2k 1.2×	67	6.2k
Dechun Feng United States	43	2.3k 0.7×	1.2k 0.7×	1.8k 1.1×	1.0k 0.9×	454 0.4×	98	5.5k
Pauline de la Μ. Hall Australia	35	2.5k 0.7×	1.1k 0.7×	1.0k 0.7×	707 0.6×	734 0.7×	121	5.3k
Christoph H. Österreicher Austria	26	3.2k 0.9×	2.7k 1.6×	2.0k 1.2×	434 0.4×	452 0.4×	37	6.8k

Countries citing papers authored by Kenichi Ikejima

Since Specialization

Citations

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

Fields of papers citing papers by Kenichi Ikejima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kenichi Ikejima

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

Alqahtani, Saleh A., et al.. (2025). Energy metabolism: An emerging therapeutic frontier in liver fibrosis. Annals of Hepatology. 30(1). 101896–101896. 1 indexed citations

Kon, Kazuyoshi, et al.. (2024). Su1552 GLYCINE PREVENTS STEATOHEPATITIS-ASSOCIATED HEPATOCARCINOGENESIS IN HEPATOCYTE-SPECIFIC PTEN KNOCKOUT MICE THROUGH OF LIPID PROFILES. Gastroenterology. 166(5). S–1636. 1 indexed citations

Uchiyama, Akira, et al.. (2023). Hepatic steatosis and skeletal muscle alterations during the COVID‐19 lockdown in a cohort of patients with chronic liver disease in Japan. Hepatology Research. 54(3). 272–283. 1 indexed citations

Fujita, Shohei, Katsuhiro Sano, Gastão Cruz, et al.. (2022). MR Fingerprinting for Liver Tissue Characterization: A Histopathologic Correlation Study. Radiology. 306(1). 150–159. 11 indexed citations

Okubo, Hironao, et al.. (2022). Impact of Cabozantinib Exposure on Proteinuria and Muscle Toxicity in Patients with Unresectable Hepatocellular Carcinoma. Pharmaceuticals. 15(12). 1460–1460. 9 indexed citations

Okubo, Hironao, Hitoshi Ando, Hiroaki Saito, et al.. (2020). Carnitine insufficiency is associated with fatigue during lenvatinib treatment in patients with hepatocellular carcinoma. PLoS ONE. 15(3). e0229772–e0229772. 17 indexed citations

Kon, Kazuyoshi, Hyeon‐Cheol Lee, Kumiko Arai, et al.. (2020). Aging exacerbates high‐fat diet‐induced steatohepatitis through alteration in hepatic lipid metabolism in mice. Journal of Gastroenterology and Hepatology. 35(8). 1437–1448. 15 indexed citations

Ikejima, Kenichi, Kazuyoshi Kon, & Shunhei Yamashina. (2020). Nonalcoholic fatty liver disease and alcohol-related liver disease: From clinical aspects to pathophysiological insights. Clinical and Molecular Hepatology. 26(4). 728–735. 26 indexed citations

Yokoyama, Hiroshi, Takahiro Masaki, Ikuyo Inoue, et al.. (2019). Histological and biochemical evaluation of transforming growth factor-β activation and its clinical significance in patients with chronic liver disease. Heliyon. 5(2). e01231–e01231. 11 indexed citations

10.

Okubo, Hironao, et al.. (2018). Gadoxetic acid–enhanced magnetic resonance imaging to predict paritaprevir-induced hyperbilirubinemia during treatment of hepatitis C. PLoS ONE. 13(4). e0196747–e0196747. 8 indexed citations

11.

Imajo, Kento, Koji Fujita, Masato Yoneda, et al.. (2012). Hyperresponsivity to Low-Dose Endotoxin during Progression to Nonalcoholic Steatohepatitis Is Regulated by Leptin-Mediated Signaling. Cell Metabolism. 16(1). 44–54. 283 indexed citations

12.

Watanabe, Sumio, et al.. (2008). Liver diseases and metabolic syndrome. Journal of Gastroenterology. 43(7). 509–518. 134 indexed citations

13.

Ikejima, Kenichi, et al.. (2008). 2. Progression of Type C Chronic Hepatitis and Resistance to Treatment 2) Participation of Host Factors. Nihon Naika Gakkai Zasshi. 97(1). 69–74. 1 indexed citations

14.

Kon, Kazuyoshi, Kenichi Ikejima, Kyoko Okumura, et al.. (2007). Role of apoptosis in acetaminophen hepatotoxicity. Journal of Gastroenterology and Hepatology. 22(s1). S49–52. 56 indexed citations

15.

Zheng, Dongmei, Tsuneo Kitamura, Kenichi Ikejima, et al.. (2006). Sphingosine 1-phosphate protects rat liver sinusoidal endothelial cells from ethanol-induced apoptosis: Role of intracellular calcium and nitric oxide. Hepatology. 44(5). 1278–1287. 36 indexed citations

16.

Honda, Hajime, Kenichi Ikejima, Miyoko Hirose, et al.. (2002). Leptin is required for fibrogenic responses induced by thioacetamide in the murine liver. Hepatology. 36(1). 12–21. 192 indexed citations

17.

Enomoto, Nobuyuki, et al.. (2001). Kupffer Cell Sensitization by Alcohol Involves Increased Permeability to Gut-Derived Endotoxin. Alcoholism Clinical and Experimental Research. 25(Supplement). 51S–54S. 97 indexed citations

18.

Yin, Ming, Kenichi Ikejima, Michael D. Wheeler, et al.. (2000). Estrogen is involved in early alcohol-induced liver injury in a rat enteral feeding model. Hepatology. 31(1). 117–123. 82 indexed citations

19.

Iimuro, Yuji, Kenichi Ikejima, Michelle Rose, Blair U. Bradford, & Ronald G. Thurman. (1996). Nimodipine, A Dihydropyridine–Type Calcium Channel Blocker, Prevents Alcoholic Hepatitis Caused by Chronic Intragastric Ethanol Exposure in the Rat. Hepatology. 24(2). 391–397. 64 indexed citations

20.

Ikejima, Kenichi, Sumio Watanabe, Tsuneo Kitamura, et al.. (1995). Hepatocyte Growth Factor Inhibits Intercellular Communication via Gap Junctions in Rat Hepatocytes. Biochemical and Biophysical Research Communications. 214(2). 440–446. 26 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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