Jin Kumagai

4.0k total citations · 1 hit paper
60 papers, 3.3k citations indexed

About

Jin Kumagai is a scholar working on Public Health, Environmental and Occupational Health, Molecular Biology and Immunology. According to data from OpenAlex, Jin Kumagai has authored 60 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Public Health, Environmental and Occupational Health, 16 papers in Molecular Biology and 13 papers in Immunology. Recurrent topics in Jin Kumagai's work include Pregnancy-related medical research (13 papers), Reproductive Biology and Fertility (10 papers) and Sperm and Testicular Function (8 papers). Jin Kumagai is often cited by papers focused on Pregnancy-related medical research (13 papers), Reproductive Biology and Fertility (10 papers) and Sperm and Testicular Function (8 papers). Jin Kumagai collaborates with scholars based in Japan, United States and Australia. Jin Kumagai's co-authors include Aaron J.W. Hsueh, Sheau Yu Hsu, Kazuhiro Kawamura, Shinya Nishi, Toshinobu Tanaka, Ross A. D. Bathgate, Jun Fukuda, O. D. Sherwood, Koji Nakabayashi and Masataka Kudo and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

Jin Kumagai

60 papers receiving 3.2k 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.

Activation of Orphan Receptors by the Hormone Relaxin

2002 685 citations Sheau Yu Hsu, Shinya Nishi et al. profile →

Peers

Countries citing papers authored by Jin Kumagai

Since Specialization

Citations

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

Fields of papers citing papers by Jin Kumagai

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jin Kumagai

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

#	Work	Indexed citations
1	Micromapping testicular sperm extraction: A new technique for microscopic testicular sperm extraction in nonobstructive azoospermia 2024 ·Reproductive Medicine and Biology ·(unknown), (unknown), (unknown), (unknown), (unknown), Noriyuki Okuyama, Hiromitsu Hattori, (unknown), (unknown), (unknown), (unknown), T. Hashimoto, Mayumi Toya, Jin Kumagai, Hideki Igarashi, Koichi Kyono	1
2	The USP7-STAT3-granzyme-Par-1 axis regulates allergic inflammation by promoting differentiation of IL-5-producing Th2 cells 2023 ·Proceedings of the National Academy of Sciences ·Jin Kumagai, Masahiro Kiuchi, Kota Kokubo, (unknown), Masahiro Nemoto, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Tomohisa Iinuma, Syuji Yonekura, Jun Shinga, Toyoyuki Hanazawa, Haruhiko Koseki, Toshinori Nakayama, Koutaro Yokote, Kiyoshi Hirahara	12
3	Insulin Sensitivity Initially Worsens but Later Improves With Aging in Male C57BL/6N Mice 2023 ·The Journals of Gerontology Series A ·(unknown), Hiraku Ono, (unknown), (unknown), (unknown), Kenji Takeda, (unknown), (unknown), (unknown), (unknown), Jin Kumagai, Yoshiro Maezawa, Koutaro Yokote	1
4	CD103hi Treg cells constrain lung fibrosis induced by CD103lo tissue-resident pathogenic CD4 T cells 2019 ·Nature Immunology ·Tomomi Ichikawa, Kiyoshi Hirahara, Kota Kokubo, Masahiro Kiuchi, Ami Aoki, Yuki Morimoto, Jin Kumagai, Atsushi Onodera, Naoko Mato, Damon J. Tumes, Yoshiyuki Goto, Koichi Hagiwara, Yutaka Inagaki, Tim Sparwasser, Kazuyuki Tobe, Toshinori Nakayama	97
5	Ezh2 controls development of natural killer T cells, which cause spontaneous asthma-like pathology 2019 ·Journal of Allergy and Clinical Immunology ·Damon J. Tumes, Kiyoshi Hirahara, (unknown), Kenta Shinoda, Atsushi Onodera, Jin Kumagai, Kwok Ho Yip, Harshita Pant, Kota Kokubo, Masahiro Kiuchi, Ami Aoki, Kazushige Obata‐Ninomiya, Koji Tokoyoda, Yusuke Endo, Motoko Y. Kimura, Toshinori Nakayama	24
6	Postpartum risk of diabetes and predictive factors for glucose intolerance in East Asian women with gestational diabetes 2018 ·Diabetes Research and Clinical Practice ·Hiromi Inoue, Ko Ishikawa, Kenji Takeda, (unknown), Kenichi Kurita, Jin Kumagai, (unknown), Koutaro Yokote	17
7	Retrieval and in vitro maturation of human oocytes from ovaries removed during surgery for endometrial carcinoma: a novel strategy for human oocyte research 2013 ·Journal of Assisted Reproduction and Genetics ·Hiromitsu Shirasawa, Jin Kumagai, Wataru Sato, Yukiyo Kumazawa, Naoki Sato, Yukihiro Terada	9
8	Brain-Derived Neurotrophic Factor/Tyrosine Kinase B Signaling Regulates Human Trophoblast Growth in an in Vivo Animal Model of Ectopic Pregnancy 2011 ·Endocrinology ·Kazuhiro Kawamura, Nanami Kawamura, Yukiyo Kumazawa, Jin Kumagai, Toshio Fujimoto, Toshinobu Tanaka	45
9	INCREASING LEVELS OF AMPHIREGULIN IN FOLLICULAR FLUIDS ARE ASSOCIATED WITH HUMAN OOCYTE MATURATION 2010 ·(unknown), Kazuhiro Kawamura, Yinghui Ye, Yukiyo Kumazawa, Jin Kumagai, Toshinobu Tanaka	1
10	EXPRESSION OF XANTHINE OXIDASE IN TESTICULAR CELLS 2009 ·Satoshi Kawaguchi, Jun Fukuda, Jin Kumagai, Yasushi Shimizu, Kazuhiro Kawamura, Toshinobu Tanaka	2
11	Leptin and ObRa/MEK signalling in mouse oocyte maturation and preimplantation embryo development 2009 ·Reproductive BioMedicine Online ·Yinghui Ye, Kazuhiro Kawamura, (unknown), Nanami Kawamura, (unknown), Maarten D. Sollewijn Gelpke, Jin Kumagai, Jun Fukuda, Toshinobu Tanaka	22
12	Regulation of preimplantation embryo development by brain-derived neurotrophic factor 2007 ·Developmental Biology ·Kazuhiro Kawamura, Nanami Kawamura, Jun Fukuda, Jin Kumagai, Aaron J.W. Hsueh, Toshinobu Tanaka	89
13	Tumor Necrosis Factor Regulation of Apoptosis in Mouse Preimplantation Embryos and Its Antagonism by Transforming Growth Factor Alpha/Phosphatidylionsitol 3-Kinase Signaling System1 2006 ·Biology of Reproduction ·Kazuhiro Kawamura, Nanami Kawamura, Jin Kumagai, Jun Fukuda, Toshinobu Tanaka	38
14	Survivin acts as an antiapoptotic factor during the development of mouse preimplantation embryos 2003 ·Developmental Biology ·Kazuhiro Kawamura, Naoki Sato, Jun Fukuda, H. Kodama, Jin Kumagai, (unknown), Yasushi Shimizu, Toshinobu Tanaka	69
15	Synthetic human insulin 4 does not activate the G‐protein‐coupled receptors LGR7 or LGR8 2003 ·Journal of Peptide Science ·Feng Lin, László Ötvös, Jin Kumagai, Geoffrey W. Tregear, Ross A. D. Bathgate, John D. Wade	24
16	H3 Relaxin Is a Specific Ligand for LGR7 and Activates the Receptor by Interacting with Both the Ectodomain and the Exoloop 2 2003 ·Journal of Biological Chemistry ·Satoko Sudo, Jin Kumagai, Shinya Nishi, Sharon Layfield, Tania Ferraro, Ross A. D. Bathgate, Aaron J.W. Hsueh	233
17	INSL3/Leydig Insulin-like Peptide Activates the LGR8 Receptor Important in Testis Descent 2002 ·Journal of Biological Chemistry ·Jin Kumagai, Sheau Yu Hsu, Hirotaka Matsumi, Jaesook Roh, Ping Fu, John D. Wade, Ross A. D. Bathgate, Aaron J.W. Hsueh	329
18	Upper limit of the number of IVF-ET treatment cycles in different age groups, predicted by cumulative take-home baby rate 2001 ·Acta Obstetricia Et Gynecologica Scandinavica ·Jun Fukuda, Jin Kumagai, H. Kodama, (unknown), Kazuhiro Kawamura, Toshinobu Tanaka	18
19	Germ cell-specific heat shock protein 105 binds to p53 in a temperature-sensitive manner in rat testis 2000 ·European Journal of Biochemistry ·Jin Kumagai, Jun Fukuda, H. Kodama, (unknown), Kazuhiro Kawamura, H. Itoh, Toshinobu Tanaka	1
20	Chaperonin 10 in the Rat Oocytes and Early Embryos: its Expression and Activity for Early Pregnancy Factor 2000 ·American Journal of Reproductive Immunology ·Kazuhiro Kawamura, Jun Fukuda, Jin Kumagai, (unknown), Toshinobu Tanaka, Hideaki Itoh, K. Ito, H. Kodama	7

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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