Takamasa Ichijo

4.5k total citations · 1 hit paper
63 papers, 2.5k citations indexed

About

Takamasa Ichijo is a scholar working on Endocrinology, Diabetes and Metabolism, Surgery and Genetics. According to data from OpenAlex, Takamasa Ichijo has authored 63 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Endocrinology, Diabetes and Metabolism, 28 papers in Surgery and 15 papers in Genetics. Recurrent topics in Takamasa Ichijo's work include Hormonal Regulation and Hypertension (29 papers), Adrenal and Paraganglionic Tumors (25 papers) and Adrenal Hormones and Disorders (20 papers). Takamasa Ichijo is often cited by papers focused on Hormonal Regulation and Hypertension (29 papers), Adrenal and Paraganglionic Tumors (25 papers) and Adrenal Hormones and Disorders (20 papers). Takamasa Ichijo collaborates with scholars based in Japan, United States and Greece. Takamasa Ichijo's co-authors include Tomoshige Kino, George P. Chrousos, Nader D. Nader, Darrell E. Hurt, Evangelia Charmandari, George P. Chrousos, Keith Zachman, Anatoly Tiulpakov, Toshihiko Yanase and Hajime Ueshiba and has published in prestigious journals such as Journal of Biological Chemistry, The Journal of Cell Biology and The Journal of Clinical Endocrinology & Metabolism.

In The Last Decade

Takamasa Ichijo

57 papers receiving 2.5k 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.

Noncoding RNA Gas5 Is a Growth Arrest– and Starvation-Associated Repressor of the Glucocorticoid Receptor

2010 1.0k citations Tomoshige Kino, Takamasa Ichijo et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Takamasa Ichijo Japan	22	1.2k	979	859	480	437	63	2.5k
Laurie K. Bale United States	27	881 0.7×	322 0.3×	994 1.2×	227 0.5×	297 0.7×	63	2.2k
Fábio R. Faucz United States	28	901 0.7×	463 0.5×	972 1.1×	1.0k 2.2×	218 0.5×	141	2.7k
Adisak Suwanichkul United States	24	1.1k 0.9×	351 0.4×	873 1.0×	372 0.8×	348 0.8×	36	2.0k
Carolyn D. Scott Australia	25	911 0.7×	272 0.3×	1.0k 1.2×	323 0.7×	346 0.8×	54	2.0k
Silvia Cantara Italy	19	431 0.3×	222 0.2×	963 1.1×	284 0.6×	345 0.8×	79	1.6k
Merja Bläuer Finland	23	489 0.4×	252 0.3×	201 0.2×	334 0.7×	330 0.8×	61	1.6k
Yoshiyuki Osamura Japan	23	508 0.4×	153 0.2×	589 0.7×	591 1.2×	160 0.4×	134	2.1k
P. Pennisi Argentina	24	746 0.6×	250 0.3×	717 0.8×	242 0.5×	309 0.7×	57	1.8k
Hitomi Imachi Japan	25	736 0.6×	319 0.3×	482 0.6×	691 1.4×	154 0.4×	112	2.0k
Juan Enrique Puche Spain	18	557 0.4×	159 0.2×	377 0.4×	244 0.5×	150 0.3×	30	1.7k

Countries citing papers authored by Takamasa Ichijo

Since Specialization

Citations

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

Fields of papers citing papers by Takamasa Ichijo

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Takamasa Ichijo

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

Nakano, Eriko, Kosuke Mukai, Atsunori Fukuhara, et al.. (2024). Primary aldosteronism patients with previous cardiovascular and cerebrovascular events have high aldosterone responsiveness to ACTH stimulation. Endocrine Journal. 71(5). 489–497.

Kobayashi, Hiroki, Yoshihiro Nakamura, Akiyo Tanabe, et al.. (2023). Impact of a change to a novel chemiluminescent immunoassay for measuring plasma aldosterone on the diagnosis of primary aldosteronism. Endocrine Journal. 70(5). 489–500. 6 indexed citations

Umakoshi, Hironobu, Norio Wada, Takamasa Ichijo, et al.. (2022). Do multiple types of confirmatory tests improve performance in predicting subtypes of primary aldosteronism?. Clinical Endocrinology. 98(4). 473–480. 1 indexed citations

Izawa, Shoichiro, Kazuhisa Matsumoto, Kazuhiko Matsuzawa, et al.. (2022). Sex Difference in the Association of Osteoporosis and Osteopenia Prevalence in Patients with Adrenal Adenoma and Different Degrees of Cortisol Excess. International Journal of Endocrinology. 2022. 1–9. 6 indexed citations

Hirawa, Nobuhito, Yuichiro Yano, Kouichi Tamura, et al.. (2021). Association of aldosterone and blood pressure with the risk for cardiovascular events after treatments in primary aldosteronism. Atherosclerosis. 324. 84–90. 13 indexed citations

Yano, Yuichiro, Yu Hatano, Kouichi Tamura, et al.. (2021). Association of achieved blood pressure after treatment for primary aldosteronism with long-term kidney function. Journal of Human Hypertension. 36(10). 904–910. 4 indexed citations

Yamashita, Kaoru, et al.. (2020). Effect of High β-glucan Barley on Postprandial Blood Glucose and Insulin Levels in Type 2 Diabetic Patients. Clinical Nutrition Research. 9(1). 43–43. 21 indexed citations

Yamashita, Kaoru, et al.. (2019). Effect of High β-glucan Barley on Postprandial Blood Glucose Levels in Subjects with Normal Glucose Tolerance: Assessment by Meal Tolerance Test and Continuous Glucose Monitoring System. Clinical Nutrition Research. 8(1). 55–55. 19 indexed citations

Ichijo, Takamasa, et al.. (2018). A Case of Pyelonephritis and Bacteremia From Lactobacillus Species in a Pregnant Woman With Type 2 Diabetes Mellitus. 61(12). 827–832. 1 indexed citations

10.

Fujii, Yuichi, Hironobu Umakoshi, Norio Wada, et al.. (2017). Subtype prediction of primary aldosteronism by combining aldosterone concentrations in the left adrenal vein and inferior vena cava: a multicenter collaborative study on adrenal venous sampling. Journal of Human Hypertension. 32(1). 12–19. 9 indexed citations

11.

Kamemura, Kohei, Norio Wada, Takamasa Ichijo, et al.. (2016). Significance of adrenal computed tomography in predicting laterality and indicating adrenal vein sampling in primary aldosteronism. Journal of Human Hypertension. 31(3). 195–199. 26 indexed citations

12.

Umakoshi, Hironobu, Norio Wada, Takamasa Ichijo, et al.. (2015). Optimum position of left adrenal vein sampling for subtype diagnosis in primary aldosteronism. Clinical Endocrinology. 83(6). 768–773. 20 indexed citations

13.

Katabami, Takuyuki, Makoto Ujihara, Sachiko Takagi, et al.. (2014). Efficacy of low-dose rosuvastatin in patients with type 2 diabetes and hypo high-density lipoprotein cholesterolaemia. Journal of International Medical Research. 42(2). 457–467. 7 indexed citations

14.

Kino, Tomoshige, Takamasa Ichijo, Niranjana D. Amin, et al.. (2007). Cyclin-Dependent Kinase 5 Differentially Regulates the Transcriptional Activity of the Glucocorticoid Receptor through Phosphorylation: Clinical Implications for the Nervous System Response to Glucocorticoids and Stress. Molecular Endocrinology. 21(7). 1552–1568. 109 indexed citations

15.

Ichijo, Takamasa, George P. Chrousos, & Tomoshige Kino. (2007). Activated glucocorticoid receptor interacts with the INHAT component Set/TAF-Iβ and releases it from a glucocorticoid-responsive gene promoter, relieving repression: Implications for the pathogenesis of glucocorticoid resistance in acute undifferentiated leukemia with Set-Can translocation. Molecular and Cellular Endocrinology. 283(1-2). 19–31. 36 indexed citations

16.

Kino, Tomoshige, Evangelia Charmandari, Takamasa Ichijo, et al.. (2006). Rho Family Guanine Nucleotide Exchange Factor Brx Couples Extracellular Signals to the Glucocorticoid Signaling System. Journal of Biological Chemistry. 281(14). 9118–9126. 37 indexed citations

17.

Charmandari, Evangelia, Annaswamy Raji, Tomoshige Kino, et al.. (2005). A Novel Point Mutation in the Ligand-Binding Domain (LBD) of the Human Glucocorticoid Receptor (hGR) Causing Generalized Glucocorticoid Resistance: The Importance of the C Terminus of hGR LBD in Conferring Transactivational Activity. The Journal of Clinical Endocrinology & Metabolism. 90(6). 3696–3705. 74 indexed citations

18.

Kino, Tomoshige, et al.. (2005). HIV-1 Accessory Protein Vpr Inhibits the Effect of Insulin on the Foxo Subfamily of Forkhead Transcription Factors by Interfering With Their Binding to 14-3-3 Proteins. Diabetes. 54(1). 23–31. 42 indexed citations

19.

Hiroi, Naoki, Takamasa Ichijo, Hajime Ueshiba, & Yukitaka Miyachi. (2002). Intranasal Administration of Adrenocorticotropin-(1–24) Stimulates Adrenocortical Hormone Secretion. The Journal of Clinical Endocrinology & Metabolism. 87(4). 1750–1753. 5 indexed citations

20.

Ichijo, Takamasa, et al.. (2001). Role of 111 In-DTPA-pentetreotide scintigraphy in accurate diagnosis of neuroendocrine gastroenteropancreatic tumors. Journal of Hepato-Biliary-Pancreatic Surgery. 8(5). 473–478. 2 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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