Hiroshi Iwakura

4.3k total citations · 1 hit paper
115 papers, 3.1k citations indexed

About

Hiroshi Iwakura is a scholar working on Endocrine and Autonomic Systems, Nutrition and Dietetics and Surgery. According to data from OpenAlex, Hiroshi Iwakura has authored 115 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 40 papers in Endocrine and Autonomic Systems, 35 papers in Nutrition and Dietetics and 24 papers in Surgery. Recurrent topics in Hiroshi Iwakura's work include Regulation of Appetite and Obesity (40 papers), Biochemical Analysis and Sensing Techniques (35 papers) and Pancreatic function and diabetes (21 papers). Hiroshi Iwakura is often cited by papers focused on Regulation of Appetite and Obesity (40 papers), Biochemical Analysis and Sensing Techniques (35 papers) and Pancreatic function and diabetes (21 papers). Hiroshi Iwakura collaborates with scholars based in Japan, United States and Australia. Hiroshi Iwakura's co-authors include Takashi Akamizu, Hiroyuki Ariyasu, Kazuwa Nakao, Kenji Kangawa, Kazuhiko Takaya, Kiminori Hosoda, Hiroshi Hosoda, Yoshihiro Ogawa, Kiyoshi Mori and Naotetsu Kanamoto and has published in prestigious journals such as Journal of Biological Chemistry, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Hiroshi Iwakura

107 papers receiving 3.0k 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.

Ghrelin Strongly Stimulates Growth Hormone Release in Humans

2000 701 citations Hiroyuki Ariyasu, Hiroshi Iwakura et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Hiroshi Iwakura Japan	29	1.6k	1.1k	1.1k	599	587	115	3.1k
Andreas Nygaard Madsen Denmark	28	589 0.4×	566 0.5×	388 0.4×	655 1.1×	532 0.9×	58	2.2k
Reinhard Bauer Germany	34	207 0.1×	392 0.4×	106 0.1×	233 0.4×	231 0.4×	162	3.9k
Michael B. Stout United States	30	299 0.2×	2.1k 1.9×	99 0.1×	429 0.7×	221 0.4×	91	4.5k
Kyoung‐Jae Won United States	40	198 0.1×	1.6k 1.5×	94 0.1×	333 0.6×	709 1.2×	114	6.1k
Tamás Ördög United States	43	230 0.1×	1.1k 1.0×	177 0.2×	206 0.3×	997 1.7×	122	5.6k
Frank P. Brooks United States	21	163 0.1×	196 0.2×	168 0.2×	183 0.3×	604 1.0×	88	1.5k
Dong‐Ho Han United States	28	136 0.1×	2.3k 2.1×	109 0.1×	298 0.5×	438 0.7×	90	3.8k
Zhuo‐Xian Meng China	30	76 0.0×	626 0.6×	98 0.1×	250 0.4×	475 0.8×	90	2.6k
Håkan Sundell United States	30	791 0.5×	240 0.2×	55 0.1×	63 0.1×	428 0.7×	101	2.3k
Jeffrey L. Osborn United States	21	145 0.1×	325 0.3×	200 0.2×	264 0.4×	328 0.6×	74	2.4k

Countries citing papers authored by Hiroshi Iwakura

Since Specialization

Citations

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

Fields of papers citing papers by Hiroshi Iwakura

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiroshi Iwakura

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

Ueda, Yôko, Hiroshi Iwakura, Asako Doi, et al.. (2025). Tryptophan‐sensing receptor GPR142 expression levels are directly regulated by proinflammatory cytokines in ghrelin‐producing cells. FEBS Open Bio. 15(5). 763–772.

Morita, Shuhei, et al.. (2025). Severe obesity with hypo-leptinemia. Endocrine Journal. 72(7). 801–811.

Furukawa, Yasushi, Takashi Akamizu, Asako Doi, et al.. (2024). Generation of a mouse model of thyroid storm and preliminary investigation of the therapeutic effects of ghrelin. BMC Endocrine Disorders. 24(1). 150–150.

Iwakura, Hiroshi, et al.. (2023). Desacyl-ghrelin, not just an inactive form of ghrelin? A review of current knowledge on the biological actions of desacyl-ghrelin. Peptides. 167. 171050–171050. 6 indexed citations

Morita, Shuhei, Shinsuke Uraki, Ken Takeshima, et al.. (2022). Isolated ACTH deficiency following immunization with the BNT162b2 SARS-CoV-2 vaccine: a case report. BMC Endocrine Disorders. 22(1). 185–185. 27 indexed citations

Inaba, Hidefumi, Hiroyuki Ariyasu, Hiroshi Iwakura, et al.. (2020). Autoimmune polyglandular syndrome type 2 and autoimmune hepatitis with thymoma-associated myasthenia gravis: case report. BMC Endocrine Disorders. 20(1). 6 indexed citations

Inaba, Hidefumi, Hiroyuki Ariyasu, Hiroshi Iwakura, et al.. (2020). Predictive and sensitive biomarkers for thyroid dysfunctions during treatment with immune‐checkpoint inhibitors. Cancer Science. 111(5). 1468–1477. 109 indexed citations

Inaba, Hidefumi, Hiroyuki Ariyasu, Hiroshi Iwakura, et al.. (2019). Comparative analysis of human leucocyte antigen between idiopathic and anti‐PD‐1 antibody induced isolated adrenocorticotropic hormone deficiency: A pilot study. Clinical Endocrinology. 91(6). 786–792. 23 indexed citations

Inaba, Hidefumi, Hiroyuki Ariyasu, Shohei Matsuno, et al.. (2018). Fulminant Type 1 Diabetes Mellitus Accompanied by Positive Conversion of Anti-insulin Antibody after the Administration of Anti-CTLA-4 Antibody Following the Discontinuation of Anti-PD-1 Antibody. Internal Medicine. 57(14). 2029–2034. 36 indexed citations

10.

Kusakabe, Toru, Michio Noguchi, Hiroshi Iwakura, et al.. (2018). CRISPR/Cas9-mediated Angptl8 knockout suppresses plasma triglyceride concentrations and adiposity in rats. Journal of Lipid Research. 59(9). 1575–1585. 35 indexed citations

11.

Tsuchiya, Takashi, Hiroshi Iwakura, Naoto Minamino, Kenji Kangawa, & Kazuki Sasaki. (2017). Endogenous peptide profile for elucidating biosynthetic processing of the ghrelin precursor. Biochemical and Biophysical Research Communications. 490(4). 1142–1146. 6 indexed citations

12.

Kawano, K., Yoshiyuki Hattori, Hiroshi Iwakura, Takashi Akamizu, & Yoshie Maitani. (2012). Adrenal tumor volume in a genetically engineered mouse model of neuroblastoma determined by magnetic resonance imaging. Experimental and Therapeutic Medicine. 4(1). 61–64. 12 indexed citations

13.

Iwakura, Hiroshi, Hiroyuki Ariyasu, Hiroshi Hosoda, et al.. (2011). Oxytocin and Dopamine Stimulate Ghrelin Secretion by the Ghrelin-Producing Cell Line, MGN3-1 in Vitro. Endocrinology. 152(7). 2619–2625. 45 indexed citations

14.

Fujikura, Junji, Kiminori Hosoda, Yoshiya Kawaguchi, et al.. (2007). Rbp‐j regulates expansion of pancreatic epithelial cells and their differentiation into exocrine cells during mouse development. Developmental Dynamics. 236(10). 2779–2791. 28 indexed citations

15.

Iwakura, Hiroshi, et al.. (1997). A New Criterion Based on Entropy for Selecting an Optimum Signal Processing Algorithm. Journal of Signal Processing. 1(6). 439–448. 1 indexed citations

16.

Zhang, Xi, et al.. (1997). Recursive Orthonormal Wavelet Bases with Vanishing Moments. IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences. 80(8). 1472–1477. 1 indexed citations

17.

Zhang, Xi & Hiroshi Iwakura. (1996). Design of IIR Nyquist Filters with Zero Intersymbol Interference. IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences. 79(8). 1139–1144. 4 indexed citations

18.

Zhang, Xi & Hiroshi Iwakura. (1996). Design of Linear Phase IIR Digital Filters Based on Eigenvalue Problem. IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences. 79(4). 614–620. 1 indexed citations

19.

Zhang, Xi & Hiroshi Iwakura. (1995). Equiripple Design of QMF Banks Using Digital Allpass Networks. IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences. 78(8). 1010–1016.

20.

Iwakura, Hiroshi. (1992). Establishment of a novel neuroblastoma mouse model. International Journal of Oncology. 33(6). 1195–9. 13 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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