Toshihiro Tajima

5.9k total citations · 1 hit paper
186 papers, 4.1k citations indexed

About

Toshihiro Tajima is a scholar working on Molecular Biology, Endocrinology, Diabetes and Metabolism and Genetics. According to data from OpenAlex, Toshihiro Tajima has authored 186 papers receiving a total of 4.1k indexed citations (citations by other indexed papers that have themselves been cited), including 126 papers in Molecular Biology, 70 papers in Endocrinology, Diabetes and Metabolism and 50 papers in Genetics. Recurrent topics in Toshihiro Tajima's work include Sexual Differentiation and Disorders (55 papers), Ion Transport and Channel Regulation (27 papers) and Thyroid Disorders and Treatments (23 papers). Toshihiro Tajima is often cited by papers focused on Sexual Differentiation and Disorders (55 papers), Ion Transport and Channel Regulation (27 papers) and Thyroid Disorders and Treatments (23 papers). Toshihiro Tajima collaborates with scholars based in Japan, United States and Cameroon. Toshihiro Tajima's co-authors include Kenji Fujieda, Jun Nakae, Akie Nakamura, Katsura Ishizu, Yukihiro Hasegawa, Yasuhiro Takeuchi, Toshiro Fujita, Takeyoshi Yamashita, Y. Yamazaki and Seiji Fukumoto and has published in prestigious journals such as New England Journal of Medicine, Journal of Clinical Investigation and SHILAP Revista de lepidopterología.

In The Last Decade

Toshihiro Tajima

172 papers receiving 4.0k citations

Hit Papers

Increased Circulatory Lev... 2002 2026 2010 2018 2002 100 200 300 400 500
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. Increased Circulatory Level of Biologically Active Full-Length FGF-23 in Patients with Hypophosphatemic Rickets/Osteomalacia
    2002 549 citations Toshihiro Tajima et al. The Journal of Clinical Endocrinology & Metabolism profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Toshihiro Tajima Japan 34 2.3k 1.6k 1.5k 719 501 186 4.1k
Hiroyuki Koshiyama Japan 26 1.3k 0.6× 1.1k 0.7× 714 0.5× 821 1.1× 542 1.1× 109 3.5k
Étienne Mornet France 37 1.7k 0.7× 3.0k 1.9× 926 0.6× 143 0.2× 440 0.9× 107 4.3k
Klaus Brusgaard Denmark 27 652 0.3× 643 0.4× 481 0.3× 155 0.2× 737 1.5× 120 2.3k
Hiroshi Kurosu Japan 24 3.5k 1.5× 322 0.2× 2.4k 1.6× 3.4k 4.7× 694 1.4× 41 7.2k
Tadashi Kaname Japan 20 1.8k 0.8× 172 0.1× 1.5k 0.9× 2.0k 2.8× 407 0.8× 40 4.4k
Sami A. Sanjad Lebanon 16 2.6k 1.1× 236 0.1× 704 0.5× 662 0.9× 262 0.5× 46 3.8k
Weizhen Ji United States 14 1.9k 0.8× 702 0.4× 1.1k 0.7× 89 0.1× 571 1.1× 47 3.3k
Jasmine Parma Belgium 35 2.3k 1.0× 2.6k 1.6× 692 0.4× 70 0.1× 475 0.9× 66 4.7k
Renata Kozyraki France 27 1.2k 0.5× 218 0.1× 263 0.2× 446 0.6× 413 0.8× 48 2.7k
M Binoux France 43 2.7k 1.1× 5.0k 3.1× 1.2k 0.8× 43 0.1× 638 1.3× 122 6.3k

Countries citing papers authored by Toshihiro Tajima

Since Specialization
Citations

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

Fields of papers citing papers by Toshihiro Tajima

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Toshihiro Tajima

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

All Works

20 of 20 papers shown
1.
Yada, Yukari, et al.. (2024). Efficacy of parent–child interaction therapy for children born premature. Pediatrics International. 66(1). e15742–e15742. 1 indexed citations
2.
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Noda, Mariko, Ayumi Matsumoto, Hidenori Ito, et al.. (2024). An unstable variant of GAP43 leads to neurodevelopmental deficiency. Scientific Reports. 14(1). 31911–31911.
4.
Osaka, Hitoshi, Kazuhiro Muramatsu, Karin Kojima, et al.. (2024). Perampanel reduces seizure frequency in patients with developmental and epileptic encephalopathy for a long term. Scientific Reports. 14(1). 30051–30051. 2 indexed citations
5.
6.
Tamura, Daisuke, Masahiko Yamazaki, Takayuki Abe, et al.. (2024). Clinical Evaluation of the Accuracy of the Panbio™ COVID-19/Flu A&B Rapid Panel: A Combination Antigen Rapid Diagnostic Test for the Omicron Variant and Influenza A Virus. Viral Immunology. 37(6). 317–321. 1 indexed citations
7.
Tsuji‐Hosokawa, Atsumi, Kei Takasawa, Tomomi Yamaguchi, et al.. (2023). A MinION-based Long-Read Sequencing Application With One-Step PCR for the Genetic Diagnosis of 21-Hydroxylase Deficiency. The Journal of Clinical Endocrinology & Metabolism. 109(3). 750–760. 4 indexed citations
8.
Watanabe, Kazuhiro, Atsumi Tsuji‐Hosokawa, Kaoru Konishi, et al.. (2022). The High Relevance of 21-Deoxycortisol, (Androstenedione + 17α-Hydroxyprogesterone)/Cortisol, and 11-Deoxycortisol/17α-Hydroxyprogesterone for Newborn Screening of 21-Hydroxylase Deficiency. The Journal of Clinical Endocrinology & Metabolism. 107(12). 3341–3352. 4 indexed citations
9.
Morikawa, Shuntaro, Akie Nakamura, Kumihiro Matsuo, et al.. (2018). Four Japanese Patients with Congenital Nephrogenic Diabetes Insipidus due to the AVPR2 Mutations. SHILAP Revista de lepidopterología. 2018(1). 6561952–6561952. 8 indexed citations
10.
11.
Kitaoka, Taichi, Toshihiro Tajima, Keisuke Nagasaki, et al.. (2017). Safety and efficacy of treatment with asfotase alfa in patients with hypophosphatasia: Results from a Japanese clinical trial. Clinical Endocrinology. 87(1). 10–19. 63 indexed citations
12.
Nakamura, Akie, Tomoyuki Hotsubo, Keiji Kobayashi, et al.. (2013). Loss-of-Function and Gain-of-Function Mutations of Calcium-Sensing Receptor: Functional Analysis and the Effect of Allosteric Modulators NPS R-568 and NPS 2143. The Journal of Clinical Endocrinology & Metabolism. 98(10). E1692–E1701. 14 indexed citations
13.
Yamagishi, Takuya, Junji Hanai, Toshihiro Tajima, et al.. (2013). Second-Tier testing of neonatal screening for congenital adrenal hyperplasia using Liquid Chromatography-tandem mass spectrometry. 23(1). 85–92. 3 indexed citations
14.
Yuki, Nobuhiro, Masako Izawa, Akie Nakamura, et al.. (2013). Polyarthritis Caused by Methimazole in Two Japanese Patients with Graves’ Disease. Journal of Clinical Research in Pediatric Endocrinology. 5(4). 270–272. 5 indexed citations
15.
Tanaka, Tomoko, et al.. (2006). Molecular Genetic Analysis of MODY Candidate Genes in Japanese Patients with Non-Obese Juvenile Onset Diabetes Mellitus. Journal of Pediatric Endocrinology and Metabolism. 19(2). 143–148. 5 indexed citations
16.
Nakamura, Akie, Chisato Shimizu, Shuichi Taniguchi, et al.. (2005). A rare case of Gitelman’s syndrome presenting with hypocalcemia and osteopenia. Journal of Endocrinological Investigation. 28(7). 464–468. 4 indexed citations
17.
Fujieda, Kenji & Toshihiro Tajima. (2005). Molecular Basis of Adrenal Insufficiency. Pediatric Research. 57(5 Part 2). 62R–69R. 25 indexed citations
18.
Tajima, Toshihiro, Takeo Nakajima, K Okuhara, et al.. (2003). Sporadic Heterozygous Frameshift Mutation ofHESX1Causing Pituitary and Optic Nerve Hypoplasia and Combined Pituitary Hormone Deficiency in a Japanese Patient. The Journal of Clinical Endocrinology & Metabolism. 88(1). 45–50. 93 indexed citations
19.
Tajima, Toshihiro. (1997). Molecular Basis of Nonclassical Steroid 21-Hydroxylase Deficiency Detected by Neonatal Mass Screening in Japan. The Journal of Clinical Endocrinology & Metabolism. 82(7). 2350–2356. 12 indexed citations
20.
Tajima, Toshihiro, Kenji Fujieda, Keiichi I. Nakayama, & Y Fujii-Kuriyama. (1993). Molecular analysis of patient and carrier genes with congenital steroid 21-hydroxylase deficiency by using polymerase chain reaction and single strand conformation polymorphism.. Journal of Clinical Investigation. 92(5). 2182–2190. 70 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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