Seiji Okada

9.9k total citations · 2 hit papers
182 papers, 5.6k citations indexed

About

Seiji Okada is a scholar working on Surgery, Pathology and Forensic Medicine and Molecular Biology. According to data from OpenAlex, Seiji Okada has authored 182 papers receiving a total of 5.6k indexed citations (citations by other indexed papers that have themselves been cited), including 66 papers in Surgery, 62 papers in Pathology and Forensic Medicine and 47 papers in Molecular Biology. Recurrent topics in Seiji Okada's work include Spinal Cord Injury Research (39 papers), Spinal Fractures and Fixation Techniques (27 papers) and Spine and Intervertebral Disc Pathology (22 papers). Seiji Okada is often cited by papers focused on Spinal Cord Injury Research (39 papers), Spinal Fractures and Fixation Techniques (27 papers) and Spine and Intervertebral Disc Pathology (22 papers). Seiji Okada collaborates with scholars based in Japan, United States and United Kingdom. Seiji Okada's co-authors include Hideyuki Okano, Yukihide Iwamoto, Masaya Nakamura, Yoshiaki Toyama, Kazu Kobayakawa, Yasuyuki Ohkawa, Hiroyuki Katoh, Yasuharu Nakashima, Hiromi Kumamaru and Masamitsu Hara and has published in prestigious journals such as Science, Nucleic Acids Research and Nature Medicine.

In The Last Decade

Seiji Okada

163 papers receiving 5.6k 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.

Conditional ablation of Stat3 or Socs3 discloses a dual role for reactive astrocytes after spinal cord injury

2006 777 citations Seiji Okada et al. profile →
Interaction of reactive astrocytes with type I collagen induces astrocytic scar formation through the integrin–N-cadherin pathway after spinal cord injury

2017 387 citations Kazu Kobayakawa, Yasuyuki Ohkawa et al. profile →

Peers

Countries citing papers authored by Seiji Okada

Since Specialization

Citations

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

Fields of papers citing papers by Seiji Okada

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Seiji Okada

This figure shows the co-authorship network connecting the top 25 collaborators of Seiji Okada. A scholar is included among the top collaborators of Seiji Okada 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 Seiji Okada. Seiji Okada 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	Impact of prior teriparatide treatment on the effectiveness of romosozumab in patients with postmenopausal osteoporosis: A case-control study 2025 ·Bone ·Kosuke Ebina, Tomonori Kobayakawa, Yuki Etani, Takaaki Noguchi, Masafumi Kashii, Gensuke Okamura, (unknown), Hideki Tsuboi, Akira Miyama, Makoto Hirao, (unknown), (unknown), Atsushi Sugimoto, Ken Nakata, Seiji Okada	2
2	Receptor activator of nuclear factor-kappa B ligand-derived microglia healing peptide 1-AcN inhibits osteoarthritis progression in mice 2025 ·Arthritis Research & Therapy ·(unknown), Munehisa Shimamura, Yuki Etani, Takaaki Noguchi, (unknown), (unknown), (unknown), Makoto Hirao, (unknown), (unknown), (unknown), Takashi Kanamoto, Ken Nakata, Seiji Okada, Kosuke Ebina	1
3	Impact of baseline PINP on the BMD increase with romosozumab, teriparatide, and denosumab in treatment-naïve primary osteoporosis: A retrospective cohort study 2025 ·Bone ·Yuki Etani, Takaaki Noguchi, (unknown), Tomonori Kobayakawa, Masafumi Kashii, Gensuke Okamura, (unknown), Makoto Hirao, (unknown), (unknown), (unknown), (unknown), Seiji Okada, Ken Nakata, Kosuke Ebina	1
4	Nanoclay gels attenuate BMP2-associated inflammation and promote chondrogenesis to enhance BMP2-spinal fusion 2024 ·Bioactive Materials ·Takuya Furuichi, Hiromasa Hirai, (unknown), (unknown), (unknown), Yuichiro Ukon, Masayuki Furuya, Richard O. C. Oreffo, (unknown), Jonathan I. Dawson, Seiji Okada, Takashi Kaito	3
5	Automated entry of paper-based patient-reported outcomes: Applying deep learning to the Japanese orthopaedic association back pain evaluation questionnaire 2024 ·Computers in Biology and Medicine ·(unknown), Takahito Fujimori, Yuki Suzuki, Takashi Kaito, Shota Takenaka, (unknown), Masayuki Furuya, (unknown), (unknown), Junya Sato, Noriyuki Tomiyama, Seiji Okada, Shoji Kido	2
6	Clinical effects of teriparatide, abaloparatide, and romosozumab in postmenopausal osteoporosis 2024 ·Journal of Bone and Mineral Metabolism ·Kosuke Ebina, Yuki Etani, Takaaki Noguchi, Ken Nakata, Seiji Okada	13
7	Osteoporosis screening using X-ray assessment and osteoporosis self-assessment tool for Asians in hip surgery patients 2024 ·Journal of Bone and Mineral Metabolism ·(unknown), Keisuke Uemura, (unknown), (unknown), (unknown), Hirohito Abe, (unknown), Takashi Sakai, Seiji Okada, Hidetoshi Hamada	1
8	Muscle strength measurements reflecting the extent of complete subscapularis tears: reliability in patients with rotator cuff tears 2024 ·JSES International ·Wataru Sahara, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Seiji Okada	0
9	An investigation of the differential therapeutic effects of romosozumab on postmenopausal osteoporosis patients with or without rheumatoid arthritis complications: a case–control study 2024 ·Osteoporosis International ·Kosuke Ebina, (unknown), Masafumi Kashii, Hideki Tsuboi, Gensuke Okamura, Akira Miyama, Yuki Etani, Takaaki Noguchi, Makoto Hirao, (unknown), (unknown), (unknown), Ken Nakata, Seiji Okada	6
10	Metallothionein 3 promotes osteoclast differentiation and survival by regulating the intracellular Zn2+ concentration and NRF2 pathway 2023 ·Cell Death Discovery ·(unknown), Toshifumi Fujiwara, (unknown), Tomoko Tsutsui, Hirokazu Saiwai, Kazu Kobayakawa, Seiji Okada, Haibo Zhao, Yasuharu Nakashima	7
11	Repair of osteochondral defects: efficacy of a tissue-engineered hybrid implant containing both human MSC and human iPSC-cartilaginous particles 2023 ·npj Regenerative Medicine ·(unknown), Wataru Ando, Kazunori Shimomura, David A. Hart, (unknown), George Jacob, (unknown), (unknown), Hiromichi Fujie, Seiji Okada, Noriyuki Tsumaki, Norimasa Nakamura	8
12	Small extracellular vesicles derived from human adipose‐derived mesenchymal stromal cells cultured in a new chemically‐defined contaminate‐free media exhibit enhanced biological and therapeutic effects on human chondrocytes in vitro and in a mouse osteoarthritis model 2023 ·Journal of Extracellular Vesicles ·(unknown), David A. Hart, George Jacob, Kazunori Shimomura, Wataru Ando, Yusuke Yoshioka, Takahiro Ochiya, (unknown), Masato Nakamura, Seiji Okada, Norimasa Nakamura	24
13	Targeting the Clear Cell Sarcoma Oncogenic Driver Fusion Gene EWSR1::ATF1 by HDAC Inhibition 2023 ·Cancer Research Communications ·(unknown), Hidetatsu Outani, Yoshinori Imura, Ryota Chijimatsu, (unknown), (unknown), (unknown), (unknown), Takaaki Nakai, Satoshi Takenaka, Seiji Okada	8
14	Modeling population size independent tissue epigenomes by ChIL‐seq with single thin sections 2021 ·Molecular Systems Biology ·Kazumitsu Maehara, Kosuke Tomimatsu, Akihito Harada, Kaori Tanaka, (unknown), M. Fukuoka, Seiji Okada, Tetsuya Handa, Hitoshi Kurumizaka, Noriko Saitoh, Hiroshi Kimurâ, Yasuyuki Ohkawa	3
15	Generation of a Rat Monoclonal Antibody Specific for Hsp72 2011 ·Hybridoma ·Masako Tanaka, Masayuki Shiota, Seiji Okada, Akihito Harada, Jun Odawara, (unknown), Hiroshi Iwao, Yasuyuki Ohkawa	9
16	Generation of a Rat Monoclonal Antibody Specific for Heat Shock Cognate Protein 70 2010 ·Hybridoma ·Masayuki Shiota, Hirokazu Saiwai, (unknown), Akihito Harada, Seiji Okada, Jun Odawara, Masako Tanaka, Hiroshi Iwao, Yasuyuki Ohkawa	6
17	Rat Monoclonal Antibody Specific for MyoD 2010 ·Hybridoma ·Akihito Harada, Yasuyuki Ohkawa, (unknown), Jun Odawara, Seiji Okada, Masayuki Azuma, Yuko Nishiyama, Mako Nakamura, Taro Tachibana	3
18	Monoclonal Antibody Specific for Dhx9/NDHII/RHA 2010 ·Hybridoma ·Manato Kotani, Akihito Harada, Jun Odawara, Masayuki Azuma, Seiji Okada, Yuko Nishiyama, Mako Nakamura, Taro Tachibana, Yasuyuki Ohkawa	3
19	Production of a Rat Monoclonal Antibody Specific for Myf5 2010 ·Hybridoma ·Akihito Harada, Seiji Okada, Jun Odawara, Hiromi Kumamaru, Hirokazu Saiwai, (unknown), Mako Nakamura, Yuko Nishiyama, Yasuyuki Ohkawa	7
20	Generation of a Rat Monoclonal Antibody Specific for Chd2 2010 ·Hybridoma ·Akihito Harada, (unknown), Jun Odawara, Masayuki Azuma, Seiji Okada, Mako Nakamura, Taro Tachibana, Yasuyuki Ohkawa	4

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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