Koichi Nakajima

11.1k total citations · 4 hit papers
95 papers, 9.4k citations indexed

About

Koichi Nakajima is a scholar working on Oncology, Molecular Biology and Immunology. According to data from OpenAlex, Koichi Nakajima has authored 95 papers receiving a total of 9.4k indexed citations (citations by other indexed papers that have themselves been cited), including 48 papers in Oncology, 40 papers in Molecular Biology and 34 papers in Immunology. Recurrent topics in Koichi Nakajima's work include Cytokine Signaling Pathways and Interactions (46 papers), NF-κB Signaling Pathways (13 papers) and interferon and immune responses (9 papers). Koichi Nakajima is often cited by papers focused on Cytokine Signaling Pathways and Interactions (46 papers), NF-κB Signaling Pathways (13 papers) and interferon and immune responses (9 papers). Koichi Nakajima collaborates with scholars based in Japan, United States and United Kingdom. Koichi Nakajima's co-authors include Toshio Hirano, Masahiko Hibi, Tadashi Matsuda, Tadamitsu Kishimoto, Tetsuya Taga, Kiyoshi Yasukawa, T Hirano, Shin‐ichiro Kashiwamura, Toshiyuki Fukada and Yojiro Yamanaka and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

Koichi Nakajima

92 papers receiving 9.2k 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.

Complementary DNA for a novel human interleukin (BSF-2) that induces B lymphocytes to produce immunoglobulin

1986 1.8k citations Toshio Hirano, Koichi Nakajima et al. profile →
The essential role of B cell stimulatory factor 2 (BSF-2/IL-6) for the terminal differentiation of B cells.

1988 662 citations T Hirano, Koichi Nakajima et al. profile →
Purification to homogeneity and characterization of human B-cell differentiation factor (BCDF or BSFp-2).

1985 589 citations Koichi Nakajima et al. profile →
A central role for Stat3 in IL-6-induced regulation of growth and differentiation in M1 leukemia cells.

1996 533 citations Koichi Nakajima, Toshiyuki Fukada et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Koichi Nakajima Japan	46	4.0k	3.8k	3.6k	1.2k	907	95	9.4k
Kiyoshi Yasukawa Japan	39	4.5k 1.1×	4.3k 1.1×	3.8k 1.0×	951 0.8×	1.3k 1.4×	209	10.6k
Tracy A. Willson Australia	43	5.2k 1.3×	4.3k 1.1×	4.8k 1.3×	1.0k 0.9×	585 0.6×	74	11.1k
Iris Behrmann Germany	46	5.0k 1.2×	4.4k 1.1×	5.9k 1.6×	1.9k 1.7×	519 0.6×	92	11.6k
Fred Schaper Germany	40	5.0k 1.2×	4.3k 1.1×	3.3k 0.9×	1.2k 1.0×	369 0.4×	96	9.9k
Diane Pennica United States	46	3.1k 0.8×	3.7k 1.0×	6.1k 1.7×	1.7k 1.4×	884 1.0×	89	12.4k
Seiji Okada Japan	46	2.0k 0.5×	3.0k 0.8×	3.5k 1.0×	847 0.7×	775 0.9×	367	8.9k
Richard Moriggl Austria	57	4.4k 1.1×	3.5k 0.9×	3.9k 1.1×	1.4k 1.2×	1.6k 1.7×	176	10.2k
José L. Fernández-Luna Spain	35	2.0k 0.5×	2.3k 0.6×	3.1k 0.9×	834 0.7×	973 1.1×	94	6.8k
Alejandro V. Villarino United States	39	2.7k 0.7×	6.4k 1.7×	2.2k 0.6×	967 0.8×	631 0.7×	64	10.2k
Hideo Yasukawa Japan	40	3.8k 1.0×	3.4k 0.9×	2.4k 0.7×	1.0k 0.9×	352 0.4×	77	8.4k

Countries citing papers authored by Koichi Nakajima

Since Specialization

Citations

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

Fields of papers citing papers by Koichi Nakajima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Koichi Nakajima

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

Wang, Ling‐Yu, Shengjun Xiao, Hiroyuki Kunimoto, et al.. (2021). Sequestration of RBM10 in Nuclear Bodies: Targeting Sequences and Biological Significance. International Journal of Molecular Sciences. 22(19). 10526–10526. 6 indexed citations

Kunimoto, Hiroyuki, Akira Inoue, Hirotada Kojima, et al.. (2019). RBM10 regulates centriole duplication in HepG2 cells by ectopically assembling PLK4‐STIL complexes in the nucleus. Genes to Cells. 25(2). 100–110. 7 indexed citations

Kunimoto, Hiroyuki, et al.. (2018). The Molecular Basis of Chemical Chaperone Therapy for Oculocutaneous Albinism Type 1A. Journal of Investigative Dermatology. 139(5). 1143–1149. 12 indexed citations

Kasai, Hirotake, et al.. (2018). Identification of an Essential Cytoplasmic Region of Interleukin-7 Receptor α Subunit in B-Cell Development. International Journal of Molecular Sciences. 19(9). 2522–2522. 3 indexed citations

Kojima, Hirotada, et al.. (2014). Deacetylation of the mitotic checkpoint protein BubR1 at lysine 250 by SIRT2 and subsequent effects on BubR1 degradation during the prometaphase/anaphase transition. Biochemical and Biophysical Research Communications. 453(3). 588–594. 24 indexed citations

Nakajima, Koichi, Yoichi Maekawa, Keisuke Kataoka, et al.. (2013). The ARNT-STAT3 axis regulates the differentiation of intestinal intraepithelial TCR alpha beta(+) CD8 alpha alpha(+) cells. Nature Communications. 4.

Bito, Toshinori, et al.. (2006). Stat3 activation is required for cell proliferation and tumorigenesis but not for cell viability in cutaneous squamous cell carcinoma cell lines. Experimental Dermatology. 15(4). 291–299. 26 indexed citations

Yamamoto, Hideki, et al.. (2006). Suppression of STAT3 Activity by Duplin, Which Is a Negative Regulator of the Wnt Signal. The Journal of Biochemistry. 139(2). 305–314. 21 indexed citations

Gu, Feng, Ryuji Hata, Junya Tanaka, et al.. (2005). Suppression of Stat3 promotes neurogenesis in cultured neural stem cells. Journal of Neuroscience Research. 81(2). 163–171. 103 indexed citations

10.

Kawasaki, Akira, et al.. (2003). Opposing effects of PML and PML/RARα on STAT3 activity. Blood. 101(9). 3668–3673. 30 indexed citations

11.

Matsumura, Itaru, Hirokazu Tanaka, Akira Kawasaki, et al.. (2000). Increased D-type Cyclin Expression Together with Decreased cdc2 Activity Confers Megakaryocytic Differentiation of a Human Thrombopoietin-dependent Hematopoietic Cell Line. Journal of Biological Chemistry. 275(8). 5553–5559. 36 indexed citations

12.

Oritani, Kenji, Yoshiaki Tomiyama, Paul W. Kincade, et al.. (1999). Both Stat3-Activation and Stat3-Independent BCL2 Downregulation Are Important for Interleukin-6–Induced Apoptosis of 1A9-M Cells. Blood. 93(4). 1346–1354. 33 indexed citations

13.

Hirano, Toshio, Toshiyuki Fukada, Yuichi Yoshida, et al.. (1998). シンポジウム抄録. Japanese Journal of Clinical Immunology. 21(supplement). 13–21. 3 indexed citations

14.

Nakajima, Koichi, et al.. (1998). Activation of state3 by v-Src is through a ras-independent pathway. Journal of Biomedical Science. 5(6). 446–450. 7 indexed citations

15.

Matsumura, Itaru, Jun Ishikawa, Koichi Nakajima, et al.. (1997). Thrombopoietin-Induced Differentiation of a Human Megakaryoblastic Leukemia Cell Line, CMK, Involves Transcriptional Activation of p21 ^WAF1/Cip1 by STAT5. Molecular and Cellular Biology. 17(5). 2933–2943. 177 indexed citations

16.

Shimozaki, Koji, Koichi Nakajima, Toshio Hirano, & Shigekazu Nagata. (1997). Involvement of STAT3 in the Granulocyte Colony-stimulating Factor-induced Differentiation of Myeloid Cells. Journal of Biological Chemistry. 272(40). 25184–25189. 161 indexed citations

17.

Sekimoto, Toshihiro, Koichi Nakajima, Taro Tachibana, Toshio Hirano, & Yoshihiro Yoneda. (1996). Interferon-γ-dependent Nuclear Import of Stat1 Is Mediated by the GTPase Activity of Ran/TC4. Journal of Biological Chemistry. 271(49). 31017–31020. 100 indexed citations

18.

Nakajima, Koichi, et al.. (1996). IL-6-inducible complexes on an IL-6 response element of the junB promoter contain Stat3 and 36 kDa CRE-like site binding protein(s).. PubMed. 12(3). 547–54. 74 indexed citations

19.

Nakajima, Koichi & Randolph Wall. (1991). Interleukin-6 Signals Activating junB and TIS11 Gene Transcription in a B-Cell Hybridoma. Molecular and Cellular Biology. 11(3). 1409–1418. 23 indexed citations

20.

Nakajima, Koichi & T Hirano. (1991). [IL-6 receptor and signal transduction pathway].. PubMed. 36(4). 687–95. 1 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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