Kei Nakachi

11.6k total citations · 1 hit paper
155 papers, 9.3k citations indexed

About

Kei Nakachi is a scholar working on Molecular Biology, Oncology and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Kei Nakachi has authored 155 papers receiving a total of 9.3k indexed citations (citations by other indexed papers that have themselves been cited), including 74 papers in Molecular Biology, 32 papers in Oncology and 27 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Kei Nakachi's work include Effects of Radiation Exposure (25 papers), Tea Polyphenols and Effects (18 papers) and DNA Repair Mechanisms (14 papers). Kei Nakachi is often cited by papers focused on Effects of Radiation Exposure (25 papers), Tea Polyphenols and Effects (18 papers) and DNA Repair Mechanisms (14 papers). Kei Nakachi collaborates with scholars based in Japan, United States and Germany. Kei Nakachi's co-authors include Kazue Imai, Kaname Kawajiri, Kenji Suga, Junko Watanabe, Satoshi Miyaké, Masami Suganuma, Shinichi Hayashi, Tomonori Hayashi, Hirota Fujiki and Shin‐ichi Hayashi and has published in prestigious journals such as The Lancet, Nucleic Acids Research and Journal of Biological Chemistry.

In The Last Decade

Kei Nakachi

155 papers receiving 9.0k citations

Hit Papers

align trajectories sort by overperformance

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.

Natural cytotoxic activity of peripheral-blood lymphocytes and cancer incidence: an 11-year follow-up study of a general population

2000 868 citations Kazue Imai, Kenji Suga et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kei Nakachi Japan	47	4.0k	2.0k	1.9k	1.5k	1.2k	155	9.3k
Hisataka Moriwaki Japan	62	5.3k 1.3×	2.0k 1.0×	3.1k 1.6×	1.8k 1.1×	1.8k 1.5×	511	16.6k
Cesare R. Sirtori Italy	66	3.9k 1.0×	1.4k 0.7×	692 0.4×	1.9k 1.2×	923 0.7×	393	15.2k
Vernon E. Steele United States	57	5.7k 1.4×	1.4k 0.7×	2.1k 1.1×	2.8k 1.8×	458 0.4×	293	11.9k
Stimson P. Schantz United States	49	3.1k 0.8×	971 0.5×	2.3k 1.2×	1.5k 1.0×	571 0.5×	162	8.1k
Kazue Imai Japan	36	1.9k 0.5×	1.8k 0.9×	1.3k 0.7×	804 0.5×	1.0k 0.8×	71	5.9k
Giorgio Bellomo Italy	56	4.9k 1.2×	1.3k 0.6×	1.1k 0.6×	570 0.4×	1.1k 0.9×	243	13.6k
Lorne J. Hofseth United States	48	3.9k 1.0×	697 0.3×	2.2k 1.2×	1.7k 1.1×	1.3k 1.0×	97	8.7k
Qiuyin Cai United States	58	5.6k 1.4×	2.0k 1.0×	2.5k 1.3×	2.3k 1.5×	502 0.4×	398	12.8k
Hongliang Li China	64	6.7k 1.7×	1.1k 0.6×	1.3k 0.7×	1.7k 1.1×	2.0k 1.6×	369	16.4k
Shelly C. Lu United States	73	10.6k 2.7×	1.7k 0.9×	1.7k 0.9×	2.6k 1.7×	917 0.7×	251	20.4k

Countries citing papers authored by Kei Nakachi

Since Specialization

Citations

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

Fields of papers citing papers by Kei Nakachi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kei Nakachi

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

Kusunoki, Yoichiro, Mika Yamaoka, Yoshiko Kubo, et al.. (2010). T-Cell Immunosenescence and Inflammatory Response in Atomic Bomb Survivors. Radiation Research. 174(6b). 870–876. 52 indexed citations

Pham, Truong‐Minh, Yoshihisa Fujino, Kei Nakachi, et al.. (2010). Relationship between serum levels of insulin-like growth factors and subsequent risk of cancer mortality: Findings from a nested case–control study within the Japan Collaborative Cohort Study. Cancer Epidemiology. 34(3). 279–284. 7 indexed citations

Maruyama, Koutatsu, Hiroyasu Iso, Yoshinori Ito, et al.. (2009). Associations of food and nutrient intakes with serum IGF-I, IGF-II, IGFBP-3, TGF-b1, total SOD activity and sFas levels among middle-aged Japanese: the Japan Collaborative Cohort study.. PubMed. 10 Suppl. 7–22. 16 indexed citations

Tamakoshi, Akiko, Koji Suzuki, Yoshinori Ito, et al.. (2009). Selection of cases and controls for the nested case-control study within the Japan Collaborative Cohort Study: the First-wave.. PubMed. 10 Suppl. 1–5. 8 indexed citations

Nojima, Masanori, Fumio Sakauchi, Mitsuru Mori, et al.. (2009). Relationship of serum superoxide dismutase activity and lifestyle in healthy Japanese adults.. PubMed. 10 Suppl. 37–40. 10 indexed citations

Lin, Yingsong, Shogo Kikuchi, Kiyoko Yagyu, et al.. (2009). Serum soluble fas levels and superoxide dismutase activity and the risk of death from pancreatic cancer: A nested case-control study within the Japanese Collaborative Cohort Study.. PubMed. 10 Suppl. 81–5. 5 indexed citations

Hamatani, Kiyohiro, Hidetaka Eguchi, Reiko Ito, et al.. (2008). RET/PTC Rearrangements Preferentially Occurred in Papillary Thyroid Cancer among Atomic Bomb Survivors Exposed to High Radiation Dose. Cancer Research. 68(17). 7176–7182. 123 indexed citations

Kanzaki, Hirotaka, Mamoru Ouchida, Hiroko Hanafusa, et al.. (2007). The association between RAD18 Arg302Gln polymorphism and the risk of human non-small-cell lung cancer. Journal of Cancer Research and Clinical Oncology. 134(2). 211–217. 10 indexed citations

Hayashi, Tomonori, Kazue Imai, Yukari Morishita, et al.. (2006). Identification of the NKG2D Haplotypes Associated with Natural Cytotoxic Activity of Peripheral Blood Lymphocytes and Cancer Immunosurveillance. Cancer Research. 66(1). 563–570. 108 indexed citations

10.

Nakachi, Kei, Tomonori Hayashi, Kazue Imai, & Yoichiro Kusunoki. (2004). Perspectives on cancer immuno‐epidemiology. Cancer Science. 95(12). 921–929. 34 indexed citations

11.

Kuraoka, Kazuya, Shunji Matsumura, Yoichi Hamai, et al.. (2003). A single nucleotide polymorphism in the transmembrane domain coding region of HER‐2 is associated with development and malignant phenotype of gastric cancer. International Journal of Cancer. 107(4). 593–596. 25 indexed citations

12.

Fujiki, Hirota, Masami Suganuma, Kazue Imai, & Kei Nakachi. (2002). Green tea: cancer preventive beverage and/or drug. Cancer Letters. 188(1-2). 9–13. 174 indexed citations

13.

Xie, Dong, Carl W. Miller, James O’Kelly, et al.. (2001). Breast Cancer. Journal of Biological Chemistry. 276(17). 14187–14194. 138 indexed citations

14.

Suga, Kenji, Kazue Imai, Hidetaka Eguchi, et al.. (2001). Molecular Significance of Excess Body Weight in Postmenopausal Breast Cancer Patients, in Relation to Expression of Insulin‐like Growth Factor I Receptor and Insulin‐like Growth Factor II Genes. Japanese Journal of Cancer Research. 92(2). 127–134. 35 indexed citations

15.

Imai, Kazue & Kei Nakachi. (2001). Personality types, lifestyle, and sensitivity to mental stress in association with NK activity. International Journal of Hygiene and Environmental Health. 204(1). 67–73. 14 indexed citations

16.

Nakachi, Kei & Kazue Imai. (1996). EPIDEMIOLOGY OF GENETIC SUSCEPTIBILITY AND CIGARETTE SMOKING IN LUNG CARCINOGENESIS BY CYP1A1 POLYMORPHISMS. 44. 195–205. 1 indexed citations

17.

Hayashi, Shin, Junko Watanabe, Kei Nakachi, et al.. (1994). Interindividual difference in expression of human Ah receptor and related P450 genes. Carcinogenesis. 15(5). 801–806. 89 indexed citations

18.

Kawajiri, Kaname, Kei Nakachi, Kazue Imai, Junko Watanabe, & Shinichi Hayashi. (1993). Germ line polymorphisms of p53 and CYP1A1 genes involved in human lung cancer. Carcinogenesis. 14(6). 1085–1089. 175 indexed citations

19.

Kawajiri, Kaname, Kei Nakachi, Kazue Imai, Shin Hayashi, & Junko Watanabe. (1990). Individual differences in lung cancer susceptibility in relation to polymorphisms of P-450IA1 gene and cigarette dose.. PubMed. 21. 55–61. 25 indexed citations

20.

Kawajiri, Kaname, et al.. (1990). Identification of genetically high risk individuals to lung cancer by DNA polymorphisms of the cytochrome P45 0IA1 gene. FEBS Letters. 263(1). 131–133. 405 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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