2026 Masahito Ikawa: Molecular Biology Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Molecular Biology	101	511	457	36	33	373	36246

Masahito Ikawa publication distribution in Molecular Biology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Molecular Biology in 2026. The highlighted bar marks where Masahito Ikawa sits on this spectrum.

47 publications 564+

This scientist: 373 publications — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 564 publications or more.

Masahito Ikawa D-index placement in Molecular Biology in 2026

The chart shows the D-index (discipline H-index) distribution of Molecular Biology scientists ranked by Research.com in 2026. The highlighted bar marks where Masahito Ikawa sits on this spectrum.

40 D-Index 145+

This scientist: 101 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 145 D-Index or more.

Research.com Recognitions

2024 - Research.com Genetics and Molecular Biology in Japan Leader Award

Overview

Masahito Ikawa is affiliated with Osaka University in Japan and has contributed extensively to research in the fields of biochemistry, genetics, and molecular biology, with a particular focus on reproductive medicine. Their work spans various subfields including molecular biology, reproductive medicine, public health, environmental and occupational health, genetics, and immunology.

The scientist's research topics emphasize reproductive biology and fertility, sperm and testicular function, genetic and clinical aspects of sex determination and chromosomal abnormalities, CRISPR and genetic engineering, the reproductive system and pregnancy, epigenetics and DNA methylation, as well as animal genetics and reproduction.

Masahito Ikawa has published papers frequently in several scientific venues, indicating active engagement with the broader research community. These publication venues include:

bioRxiv (Cold Spring Harbor Laboratory)
Proceedings of the National Academy of Sciences
Biology of Reproduction
Andrology
Journal of Reproductive Immunology

Collaborations have been a significant aspect of their work, with frequent co-authors such as:

Haruhiko Miyata
Martin M. Matzuk
Keisuke Shimada
Taichi Noda
Yonggang Lu

Selected recent papers from Masahito Ikawa's research include:

"Structural insights into tetraspanin CD9 function," 2020, Nature Communications
"Bi-allelic DNAH8 Variants Lead to Multiple Morphological Abnormalities of the Sperm Flagella and Primary Male Infertility," 2020, The American Journal of Human Genetics
"Sperm proteins SOF1, TMEM95, and SPACA6 are required for sperm−oocyte fusion in mice," 2020, Proceedings of the National Academy of Sciences
"NELL2-mediated lumicrine signaling through OVCH2 is required for male fertility," 2020, Science
"Astrocytic cAMP modulates memory via synaptic plasticity," 2021, Proceedings of the National Academy of Sciences

Best Publications

Green mice' as a source of ubiquitous green cells

Masaru Okabe;Masahito Ikawa;Katsuya Kominami;Tomoko Nakanishi

2987
Citations
Engineered CRISPR-Cas9 nuclease with expanded targeting space

Hiroshi Nishimasu;Xi Shi;Xi Shi;Soh Ishiguro;Soh Ishiguro;Linyi Gao;Linyi Gao

1125
Citations
DNA methylation of retrotransposon genes is regulated by Piwi family members MILI and MIWI2 in murine fetal testes

Satomi Kuramochi-Miyagawa;Toshiaki Watanabe;Kengo Gotoh;Yasushi Totoki

1029
Citations
The immunoglobulin superfamily protein Izumo is required for sperm to fuse with eggs

Naokazu Inoue;Masahito Ikawa;Ayako Isotani;Masaru Okabe

947
Citations
Mili, a mammalian member of piwi family gene, is essential for spermatogenesis.

Satomi Kuramochi-Miyagawa;Tohru Kimura;Takashi W. Ijiri;Taku Isobe

864
Citations
A general method for gene knockdown in mice by using lentiviral vectors expressing small interfering RNA

Gustavo Tiscornia;Oded Singer;Masahito Ikawa;Inder M. Verma

781
Citations
Innate versus learned odour processing in the mouse olfactory bulb

Ko Kobayakawa;Reiko Kobayakawa;Hideyuki Matsumoto;Yuichiro Oka

779
Citations
Transgenesis by lentiviral vectors: Lack of gene silencing in mammalian embryonic stem cells and preimplantation embryos

Alexander Pfeifer;Masahito Ikawa;Yelena Dayn;Inder M. Verma

723
Citations
PGC7/Stella protects against DNA demethylation in early embryogenesis.

Toshinobu Nakamura;Yoshikazu Arai;Hiroki Umehara;Masaaki Masuhara

649
Citations
Generating green fluorescent mice by germline transmission of green fluorescent ES cells

Anna Katerina Hadjantonakis;Marina Gertsenstein;Masahito Ikawa;Masaru Okabe

594
Citations
Generation of mutant mice by pronuclear injection of circular plasmid expressing Cas9 and single guided RNA.

Daisuke Mashiko;Yoshitaka Fujihara;Yuhkoh Satouh;Haruhiko Miyata

447
Citations
Pravastatin induces placental growth factor (PGF) and ameliorates preeclampsia in a mouse model

Keiichi Kumasawa;Masahito Ikawa;Hiroyasu Kidoya;Hidetoshi Hasuwa

405
Citations
Fertilization: a sperm’s journey to and interaction with the oocyte

Masahito Ikawa;Naokazu Inoue;Adam M. Benham;Masaru Okabe

369
Citations
Mutation in ankyrin repeats of the mouse Notch2 gene induces early embryonic lethality

Yoshio Hamada;Yuzo Kadokawa;Masaru Okabe;Masahito Ikawa

367
Citations
Signalling mediated by the endoplasmic reticulum stress transducer OASIS is involved in bone formation.

Tomohiko Murakami;Atsushi Saito;Shin Ichiro Hino;Shinichi Kondo

355
Citations
Defective stratum corneum and early neonatal death in mice lacking the gene for transglutaminase 1 (keratinocyte transglutaminase)

Masato Matsuki;Fumiyoshi Yamashita;Akemi Ishida-Yamamoto;Keiko Yamada

352
Citations
The class IV semaphorin CD100 plays nonredundant roles in the immune system : defective B and T cell activation in CD100-deficient mice

Wei Shi;Atsushi Kumanogoh;Chie Watanabe;Junji Uchida

348
Citations
The Putative Chaperone Calmegin is Required for Sperm Fertility

M. Ikawa;I. Wada;K. Kominami;D. Watanabe

343
Citations
Tissue-specific knockout of the mouse Pig-a gene reveals important roles for GPI-anchored proteins in skin development

Masahito Tarutani;Satoshi Itami;Masaru Okabe;Masahito Ikawa

318
Citations
Progressive adipocyte hypertrophy in aquaporin-7-deficient mice: adipocyte glycerol permeability as a novel regulator of fat accumulation.

Mariko Hara-Chikuma;Eisei Sohara;Tatemitsu Rai;Masahito Ikawa

311
Citations

Frequent Co-Authors

Masaru Okabe Osaka University

Martin M. Matzuk Baylor College of Medicine

Yoshitake Nishimune Osaka University

Tadashi Baba University of Tsukuba

Inder M. Verma Salk Institute for Biological Studies

Toru Nakano Osaka University

Vinay Tergaonkar Agency for Science, Technology and Research

Taroh Kinoshita Osaka University

Atsuo Ogura University of Tsukuba

Hiroshi Nojima Osaka University

External Links

Personal website of Masahito Ikawa

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