Masashi Ikeda

35.3k citations

190 papers · 4.0k indexed · 1 hit paper · h-index 35

Impact in

Biological Psychiatry top 1%
- Tryptophan and brain disorders
Cellular and Molecular Neuroscience top 2%
- Neurotransmitter Receptor Influence on Behavior
- Neuroscience and Neuropharmacology Research

Papers in

Biological Psychiatry 8
Genetics 78
- Genetic Associations and Epidemiology 58
- Genetics and Neurodevelopmental Disorders 24
- Genomic variations and chromosomal abnormalities 12

Co-authors: Nakao Iwata Norio Ozaki Yoshio Yamanouchi Tsuyoshi Kitajima Yoko Kinoshita Toshiya Inada Tomo Okochi Taro Kishi
Journals: Schizophrenia Research (12 papers)American Journal of Medical Genetics Part B Neuropsychiatric Genetics (11 papers)Psychiatry and Clinical Neurosciences (10 papers)Translational Psychiatry (7 papers)PLoS ONE (7 papers)
Partner nations: Japan United Kingdom United States

In The Last Decade

Masashi Ikeda

181 papers receiving 3.9k citations

Hit Papers

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Genetic analysis of quantitative traits in the Japanese population links cell types to complex human diseases 2018 · 413 citations

Peers

Countries citing papers authored by Masashi Ikeda

Since Specialization

Citations

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

Fields of papers citing papers by Masashi Ikeda

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

The 25 scholars most cited alongside Masashi Ikeda, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Masashi Ikeda Line = papers co-authored together Masashi Ikeda links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Distinguishing clinical and genetic risk factors for suicidal ideation and behavior in a diverse hospital population Translational Psychiatry ·Sarah M. C. Colbert, Lauren Lepow, Brian Fennessy, Nakao Iwata, Masashi Ikeda, Takeo Saito, Chikashi Terao, Michael Preuß, Jyotishman Pathak, J. John Mann, Hilary Coon, Niamh Mullins	2025	0
2	Validation of the neuropathological criteria of the fourth Consortium on dementia with Lewy Bodies in autopsy cases from psychiatric hospitals Psychiatry and Clinical Neurosciences ·Kazuhiro Takeda, Hiroshige Fujishiro, Youta Torii, Hirotaka Sekiguchi, Shusei Arafuka, Chikako Habuchi, Ayako Miwa, Norio Ozaki, Mari Yoshida, Shuji Iritani, Yasushi Iwasaki, Masashi Ikeda	2025	0
3	Association of plasma arachidonic acid levels with a bipolar disorder and the effects of a FADS gene variant Translational Psychiatry ·Takuma Ashizawa, Takeo Saito, Tomo Okochi, Kohei Ninomiya, Kenta Ito, Rei Aoki, Masashi Ikeda, Nakao Iwata	2024	1
4	Neuropathological substrate of incident dementia in older patients with schizophrenia: A clinicopathological study Psychiatry and Clinical Neurosciences ·Shusei Arafuka, Hiroshige Fujishiro, Youta Torii, Hirotaka Sekiguchi, Chikako Habuchi, Ayako Miwa, Mari Yoshida, Shuji Iritani, Yasushi Iwasaki, Masashi Ikeda, Norio Ozaki	2023	2
5	Determination of the electron trap level in Fe-doped GaN by phonon-assisted conduction phenomenon Applied Physics Express ·Hiroki Fukuda, Akira Nagakubo, Shigeyoshi Usami, Masashi Ikeda, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori, K. Adachi, Hirotsugu Ogi	2022	5
6	Identification and functional characterization of the extremely long allele of the serotonin transporter-linked polymorphic region Translational Psychiatry ·Tempei Ikegame, Yosuke Hidaka, Yutaka Nakachi, Y. Murata, Risa Watanabe, Hiroko Sugawara, Tatsuro Asai, Emi Kiyota, Takeo Saito, Masashi Ikeda, Tsukasa Sasaki, Mamoru Hashimoto, Tomohisa Ishikawa, Minoru Takebayashi, Nakao Iwata, Chihiro Kakiuchi, Tadafumi Kato, Kiyoto Kasai, Miki Bundo, Kazuya Iwamoto	2021	3
7	Cost effectiveness of pharmacogenetic-guided clozapine administration based on risk of HLA variants in Japan and the UK Translational Psychiatry ·Kohei Ninomiya, Takeo Saito, Tomo Okochi, Satoru Taniguchi, Ayu Shimasaki, Rei Aoki, Takeo Hata, Taisei Mushiroda, Tetsufumi Kanazawa, Masashi Ikeda, Nakao Iwata	2021	6
8	Determination of novel CYP2D6 haplotype using the targeted sequencing followed by the long-read sequencing and the functional characterization in the Japanese population Journal of Human Genetics ·Koya Fukunaga, Eiji Hishinuma, Masahiro Hiratsuka, Ken Kato, Takuji Okusaka, Takeo Saito, Masashi Ikeda, Teruhiko Yoshida, Hitoshi Zembutsu, Nakao Iwata, Taisei Mushiroda	2020	19
9	Genome-wide association study detected novel susceptibility genes for schizophrenia and shared trans-populations/diseases genetic effect Masashi Ikeda	2019	8
10	Re-evaluating classical body type theories: genetic correlation between psychiatric disorders and body mass index Psychological Medicine ·Masashi Ikeda, Satoshi Tanaka, Takeo Saito, Norio Ozaki, Yoichiro Kamatani, Nakao Iwata	2018	15
11	DNA methylation analyses of the candidate genes identified by a methylome‐wide association study revealed common epigenetic alterations in schizophrenia and bipolar disorder Psychiatry and Clinical Neurosciences ·Hiroko Sugawara, Y. Murata, Tempei Ikegame, Rie Sawamura, Shota Shimanaga, Yusuke Takeoka, Takeo Saito, Masashi Ikeda, Akane Yoshikawa, Fumichika Nishimura, Yoshiya Kawamura, Chihiro Kakiuchi, Takehiko Sasaki, Nakao Iwata, Mamoru Hashimoto, Kiyoto Kasai, Tadafumi Kato, Miki Bundo, Kazuya Iwamoto	2018	22
12	Rare UNC13B variations and risk of schizophrenia: Whole‐exome sequencing in a multiplex family and follow‐up resequencing and a case–control study American Journal of Medical Genetics Part B Neuropsychiatric Genetics ·Jun Egawa, Satoshi Hoya, Yuichiro Watanabe, Ayako Nunokawa, Masako Shibuya, Masashi Ikeda, Emiko Inoue, Shujiro Okuda, Kenji Kondo, Takeo Saito, Naoshi Kaneko, Tatsuyuki Muratake, Hirofumi Igeta, Nakao Iwata, Toshiyuki Someya	2016	12
13	A Genetic Variant in 12q13, a Possible Risk Factor for Bipolar Disorder, Is Associated with Depressive State, Accounting for Stressful Life Events PLoS ONE ·Ayu Shimasaki, Kenji Kondo, Takeo Saito, Kosei Esaki, Yasuyo Otsuka, Keiko Mano, Masashi Ikeda, Nakao Iwata	2014	10
14	Evidence for Shared Genetic Risk Between Methamphetamine-Induced Psychosis and Schizophrenia Neuropsychopharmacology ·Masashi Ikeda, Yuko Okahisa, Branko Aleksić, Mujun Won, Naoki Kondo, Nobuya Naruse, Kumi Aoyama‐Uehara, Ichiro Sora, Masaomi Iyo, Ryota Hashimoto, Yoshiya Kawamura, Nao Nishida, Taku Miyagawa, Masatoshi Takeda, Tsukasa Sasaki, Katsushi Tokunaga, Norio Ozaki, Hiroshi Ujike, Nakao Iwata	2013	47
15	Analysis of the VAV3 as Candidate Gene for Schizophrenia: Evidences From Voxel-Based Morphometry and Mutation Screening Schizophrenia Bulletin ·Branko Aleksić, Itaru Kushima, Ryota Hashimoto, Kazutaka Ohi, Masashi Ikeda, Akira Yoshimi, Yukako Nakamura, Yoshihito Ito, Tomo Okochi, Yasuhisa Fukuo, Yuka Yasuda, Motoyuki Fukumoto, Hidenaga Yamamori, Hiroshi Ujike, Michio Suzuki, Toshiya Inada, Masatoshi Takeda, Kozo Kaibuchi, Nakao Iwata, Norio Ozaki	2012	16
16	Resequencing and Association Analysis of the KALRN and EPHB1 Genes And Their Contribution to Schizophrenia Susceptibility Schizophrenia Bulletin ·Itaru Kushima, Yukako Nakamura, Branko Aleksić, Masashi Ikeda, Yoshihito Ito, Tomoko Shiino, Tomo Okochi, Yasuhisa Fukuo, Hiroshi Ujike, Michio Suzuki, Toshiya Inada, Ryota Hashimoto, Masatoshi Takeda, Kozo Kaibuchi, Nakao Iwata, Norio Ozaki	2010	71
17	Genetic Association Analysis of Functional Polymorphisms in Neuronal Nitric Oxide Synthase 1 Gene <i>(NOS1)</i> and Mood Disorders and Fluvoxamine Response in Major Depressive Disorder in the Japanese Population Neuropsychobiology ·Takenori Okumura, Taro Kishi, Tomo Okochi, Masashi Ikeda, Tsuyoshi Kitajima, Yoshio Yamanouchi, Yoko Kinoshita, Kunihiro Kawashima, Tomoko Tsunoka, Toshiya Inada, Norio Ozaki, Nakao Iwata	2009	19
18	4C2 A TWO-LEVEL METHOD OF PARALLEL COMPUTING FOR LOGISTICS NETWORK OPTIMIZATION THROUGH HYBRID DISCRETE PSO : Yoshiaki Shimizu, Masashi Ikeda, Rafael Batres	2009	1
19	Identification of YWHAE, a gene encoding 14-3-3epsilon, as a possible susceptibility gene for schizophrenia Human Molecular Genetics ·Masashi Ikeda, Takao Hikita, Shinichiro Taya, Junko Uraguchi‐Asaki, Kazuhito Toyo‐oka, Anthony Wynshaw‐Boris, Hiroshi Ujike, Toshiya Inada, Keizo Takao, Tsuyoshi Miyakawa, Norio Ozaki, Kozo Kaibuchi, Nakao Iwata	2008	86
20	Failure to replicate the association between NRG1 and schizophrenia using Japanese large sample Schizophrenia Research ·Masashi Ikeda, Nagahide Takahashi, Shinichi Saito, Branko Aleksić, Yuichiro Watanabe, Ayako Nunokawa, Yoshio Yamanouchi, Tsuyoshi Kitajima, Yoko Kinoshita, Taro Kishi, Kunihiro Kawashima, Ryota Hashimoto, Hiroshi Ujike, Toshiya Inada, Toshiyuki Someya, Masatoshi Takeda, Norio Ozaki, Nakao Iwata	2008	28

About Masashi Ikeda

Masashi Ikeda is a scholar working on Biological Psychiatry, Genetics, Cellular and Molecular Neuroscience, Psychiatry and Mental health and Endocrine and Autonomic Systems, having authored 190 papers that have together received 4.0k indexed citations. Recurring topics across this work include Genetic Associations and Epidemiology (58 papers), Genetics and Neurodevelopmental Disorders (24 papers), Neurotransmitter Receptor Influence on Behavior (18 papers), Receptor Mechanisms and Signaling (15 papers), Bipolar Disorder and Treatment (15 papers), Schizophrenia research and treatment (13 papers), Epigenetics and DNA Methylation (12 papers) and Genomic variations and chromosomal abnormalities (12 papers). The work is most often cited by research in Biological Psychiatry (375 citations), Cellular and Molecular Neuroscience (831 citations), Genetics (1.2k citations), Psychiatry and Mental health (630 citations) and Behavioral Neuroscience (121 citations). Masashi Ikeda has collaborated with scholars based in Japan, United Kingdom and United States. Frequent co-authors include Nakao Iwata, Norio Ozaki, Yoshio Yamanouchi, Tsuyoshi Kitajima, Yoko Kinoshita, Toshiya Inada, Tomo Okochi, Taro Kishi, Kunihiro Kawashima and Tatsuyo Suzuki. Their work appears in journals such as Schizophrenia Research, American Journal of Medical Genetics Part B Neuropsychiatric Genetics, Psychiatry and Clinical Neurosciences, Translational Psychiatry and PLoS ONE.

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