Reiko Horikawa

10.7k total citations · 1 hit paper
225 papers, 6.4k citations indexed

About

Reiko Horikawa is a scholar working on Endocrinology, Diabetes and Metabolism, Molecular Biology and Genetics. According to data from OpenAlex, Reiko Horikawa has authored 225 papers receiving a total of 6.4k indexed citations (citations by other indexed papers that have themselves been cited), including 93 papers in Endocrinology, Diabetes and Metabolism, 81 papers in Molecular Biology and 68 papers in Genetics. Recurrent topics in Reiko Horikawa's work include Growth Hormone and Insulin-like Growth Factors (68 papers), Sexual Differentiation and Disorders (45 papers) and Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities (34 papers). Reiko Horikawa is often cited by papers focused on Growth Hormone and Insulin-like Growth Factors (68 papers), Sexual Differentiation and Disorders (45 papers) and Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities (34 papers). Reiko Horikawa collaborates with scholars based in Japan, United States and Denmark. Reiko Horikawa's co-authors include Sharon E. Oberfield, Lourdes Ibáñez, Robert L. Rosenfield, Dipesalema Joel, Veronica Gomez‐Lobo, Hala Tfayli, Selma F. Witchel, Cecilia Garcia Rudaz, Peter A. Lee and Alexia Peña and has published in prestigious journals such as PLoS ONE, Hepatology and The Journal of Clinical Endocrinology & Metabolism.

In The Last Decade

Reiko Horikawa

216 papers receiving 6.3k 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.

The Diagnosis of Polycystic Ovary Syndrome during Adolescence

2015 2.4k citations Reiko Horikawa et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Reiko Horikawa Japan	34	2.1k	1.8k	1.6k	1.5k	1.2k	225	6.4k
Tomonobu Hasegawa Japan	41	3.2k 1.6×	2.0k 1.1×	868 0.5×	2.1k 1.4×	675 0.5×	360	6.1k
Peter A. Lee United States	23	3.2k 1.6×	1.2k 0.7×	2.1k 1.3×	1.6k 1.1×	1.3k 1.1×	67	5.8k
Stenvert L. S. Drop Netherlands	43	3.9k 1.9×	2.6k 1.4×	952 0.6×	2.6k 1.7×	458 0.4×	168	6.4k
Wolfgang G. Sippell Germany	40	2.5k 1.2×	2.5k 1.4×	1.1k 0.6×	1.2k 0.8×	324 0.3×	147	5.1k
Selma F. Witchel United States	39	3.0k 1.5×	3.1k 1.7×	6.5k 3.9×	1.6k 1.0×	4.4k 3.6×	164	11.4k
Marco Cappa Italy	41	2.3k 1.1×	3.1k 1.7×	469 0.3×	2.0k 1.3×	376 0.3×	392	7.0k
Peter C. Hindmarsh United Kingdom	43	1.8k 0.9×	2.9k 1.7×	383 0.2×	1.0k 0.7×	345 0.3×	172	5.4k
Pierre Bougnères France	44	2.3k 1.1×	2.3k 1.3×	536 0.3×	2.4k 1.5×	462 0.4×	153	7.7k
Guy Van Vliet Canada	46	2.7k 1.3×	3.7k 2.1×	586 0.4×	1.8k 1.2×	231 0.2×	185	6.6k
Erica A. Eugster United States	34	1.5k 0.7×	1.5k 0.8×	1.4k 0.8×	1.2k 0.8×	420 0.3×	195	4.2k

Countries citing papers authored by Reiko Horikawa

Since Specialization

Citations

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

Fields of papers citing papers by Reiko Horikawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Reiko Horikawa

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

Miller, Bradley S., Joanne Blair, Michael Højby Rasmussen, et al.. (2025). Efficacy, safety, and insulin-like growth factor I of weekly somapacitan in children with growth hormone deficiency: 3-year results from REAL4. European Journal of Endocrinology. 192(5). 651–661. 2 indexed citations

Horikawa, Reiko, Toshiaki Tanaka, Yukihiro Hasegawa, et al.. (2025). Efficacy and safety of once-weekly somatrogon following up to 4 years of treatment in Japanese children with growth hormone deficiency: results from an open-label extension of a phase 3 study. Endocrine Journal. 73(1). 21–32.

Mori, Jun, Yasuhisa Ohata, Yasuko Fujisawa, et al.. (2024). Effective growth hormone replacement with once‐weekly somapacitan in Japanese children with growth hormone deficiency: Results from REAL4, a phase 3 clinical trial. Clinical Endocrinology. 100(4). 389–398. 6 indexed citations

Juul, Anders, Philippe Backeljauw, Jan Frystyk, et al.. (2024). Somapacitan in Children Born SGA: 52-Week Efficacy, Safety, and IGF-I Response Results From the Phase 2 REAL5 Study. The Journal of Clinical Endocrinology & Metabolism. 110(4). 1086–1095. 2 indexed citations

Nagasaki, Keisuke, Tomohiro Saito, Shun Soneda, et al.. (2024). Comprehensive Study on Central Precocious Puberty: Molecular and Clinical Analyses in 90 Patients. The Journal of Clinical Endocrinology & Metabolism. 110(4). 1023–1036. 1 indexed citations

Sankoda, Akiko, Naoko Arata, Shiori Sato, et al.. (2023). Association of Isolated Hypothyroxinemia and Subclinical Hypothyroidism With Birthweight: A Cohort Study in Japan. Journal of the Endocrine Society. 7(5). bvad045–bvad045. 2 indexed citations

Juul, Anders, Philippe Backeljauw, Masanobu Kawai, et al.. (2023). Somapacitan in children born small for gestational age: a multi-centre, open-label, controlled phase 2 study. European Journal of Endocrinology. 188(1). 19–30. 9 indexed citations

Hashimoto, Keiji, et al.. (2022). Developmental outcomes in Japanese preschool‐age children conceived through assisted reproductive technology. Journal of obstetrics and gynaecology research. 48(11). 2847–2852. 1 indexed citations

Miller, Bradley S., Joanne Blair, Michael Højby Rasmussen, et al.. (2022). Weekly Somapacitan is Effective and Well Tolerated in Children With GH Deficiency: The Randomized Phase 3 REAL4 Trial. The Journal of Clinical Endocrinology & Metabolism. 107(12). 3378–3388. 33 indexed citations

10.

Uchida, Hajime, Seisuke Sakamoto, Seiichi Shimizu, et al.. (2021). Outcomes of liver transplantation for mitochondrial respiratory chain disorder in children. Pediatric Transplantation. 25(8). e14091–e14091. 8 indexed citations

11.

Shimizu, Seiichi, Seisuke Sakamoto, Masaki Yamada, et al.. (2021). Immunological features and complications in patients with glycogen storage disease 1b after living donor liver transplantation. Pediatric Transplantation. 25(8). e14104–e14104. 4 indexed citations

12.

Shimizu, Seiichi, Seisuke Sakamoto, Akinari Fukuda, et al.. (2021). Surgical technique and the long‐term outcomes of pediatric living donor domino liver transplantation from patients with maple syrup urine disease. Pediatric Transplantation. 26(2). e14174–e14174. 7 indexed citations

13.

Hashimoto, Keiji, et al.. (2018). Developmental outcomes of Japanese children born through Assisted Reproductive Technology (ART) in toddlerhood. Journal of obstetrics and gynaecology research. 44(5). 929–935. 5 indexed citations

14.

Hayashi, Hisamitsu, Tadahaya Mizuno, Reiko Horikawa, et al.. (2012). 4-Phenylbutyrate modulates ubiquitination of hepatocanalicular MRP2 and reduces serum total bilirubin concentration. Journal of Hepatology. 56(5). 1136–1144. 32 indexed citations

15.

Sato, Yuki, Hirohide Yokokawa, Shohei Harada, et al.. (2010). High cardiovascular risk factors among obese children in an urban area of Japan. Obesity Research & Clinical Practice. 4(4). e333–e337. 2 indexed citations

16.

Yamazawa, Kazuki, Kazuhiko Nakabayashi, Kentaro Matsuoka, et al.. (2010). Androgenetic/biparental mosaicism in a girl with Beckwith–Wiedemann syndrome-like and upd(14)pat-like phenotypes. Journal of Human Genetics. 56(1). 91–93. 24 indexed citations

17.

Kasahara, Mureo, Reiko Horikawa, Seisuke Sakamoto, et al.. (2009). Living Donor Liver Transplantation for Glycogen Storage Disease Type Ib. Liver Transplantation. 15(12). 1867–1871. 25 indexed citations

18.

Horikawa, Reiko, et al.. (2002). Disorders of the Hypothalamic-Pituitary-Adrenal Axis Caused by Overdosed Anti-Allergic Drug : A Case Report. Clinical Pediatric Endocrinology. 11. 27–33. 1 indexed citations

19.

Horikawa, Reiko, Isao Kobayashi, Keisuke Fujita, & Takahiro Tanaka. (2002). 19 GROWTH HORMONE-RELEASING HORMONE (GHRH) RECEPTOR MUTATION THAT ACTS AS A DOMINANT NEGATIVE.. Clinical Pediatric Endocrinology. 11(2). 105. 1 indexed citations

20.

Horikawa, Reiko. (2000). Growth Hormone-Releasing Hormone Receptor Deficiency. Clinical Pediatric Endocrinology. 9. 35–39. 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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