Kentaro Oka

1.9k total citations
47 papers, 917 citations indexed

About

Kentaro Oka is a scholar working on Molecular Biology, Infectious Diseases and Epidemiology. According to data from OpenAlex, Kentaro Oka has authored 47 papers receiving a total of 917 indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Molecular Biology, 22 papers in Infectious Diseases and 10 papers in Epidemiology. Recurrent topics in Kentaro Oka's work include Gut microbiota and health (24 papers), Clostridium difficile and Clostridium perfringens research (19 papers) and Gastrointestinal motility and disorders (6 papers). Kentaro Oka is often cited by papers focused on Gut microbiota and health (24 papers), Clostridium difficile and Clostridium perfringens research (19 papers) and Gastrointestinal motility and disorders (6 papers). Kentaro Oka collaborates with scholars based in Japan, United States and Poland. Kentaro Oka's co-authors include Motomichi Takahashi, Shigeru Kamiya, Yasutoshi Kuroki, Yuka Yamagishi, Takako Osaki, Hiroshige Mikamo, Satoshi Kurata, Tomoko Hanawa, Mao Hagihara and Kentaro Miyamoto and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Kentaro Oka

44 papers receiving 903 citations

Peers

Countries citing papers authored by Kentaro Oka

Since Specialization

Citations

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

Fields of papers citing papers by Kentaro Oka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kentaro Oka

This figure shows the co-authorship network connecting the top 25 collaborators of Kentaro Oka. A scholar is included among the top collaborators of Kentaro Oka 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 Kentaro Oka. Kentaro Oka 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	Lipoproteins from Bilophila wadsworthia cell wall induce innate immune responses through Toll-like receptor 2 2025 ·Anaerobe ·(unknown), Mao Hagihara, (unknown), (unknown), Akiko Nakamura, Hiroyuki Suematsu, Kaori Tanaka, Tadashi Ariyoshi, Kentaro Oka, Motomichi Takahashi, Yuka Yamagishi, Hiroshige Mikamo	0
2	The biotherapeutic Clostridium butyricum MIYAIRI 588 strain potentiates enterotropism of Rorγt ⁺ Treg and PD-1 blockade efficacy 2024 ·Gut Microbes ·(unknown), Kentaro Oka, Olivier Boulard, Motomichi Takahashi, Lionel Franz Poulin, Atsushi Hayashi, Mathias Chamaillard	13
3	Effects of the prenatal and postnatal nurturing environment on the phenotype and gut microbiota of mice with polycystic ovary syndrome induced by prenatal androgen exposure: a cross-fostering study 2024 ·Frontiers in Cell and Developmental Biology ·(unknown), Miyuki Harada, (unknown), Asami Matsumoto, Kentaro Oka, Motomichi Takahashi, (unknown), Jerilee Mariam Khong Azhary, Hiroshi Koike, (unknown), (unknown), Yoko Urata, Chisato Kunitomi, Nozomi Takahashi, Osamu Wada‐Hiraike, Yasushi Hirota, Yutaka Osuga	1
4	Effects of a Protease Inhibitor Camostat Mesilate on Gut Microbial Function in Patients with Irritable Bowel Syndrome: A Pilot Randomized Placebo-Controlled Study 2024 ·Digestion ·Motoyori Kanazawa, Kentaro Miyamoto, Michiko Kano, (unknown), Kentaro Oka, Motomichi Takahashi, Nariyasu Mano, Shin Fukudo	2
5	Association between the gut microbiome and organic acid profiles in a Japanese population with HIV infection 2023 ·Journal of Infection and Chemotherapy ·(unknown), (unknown), Akiyo Nakano, Mitsuru Konishi, Seiya Higashi, (unknown), Tadashi Ariyoshi, Asami Matsumoto, Kentaro Oka, Motomichi Takahashi, Yuki Suzuki, (unknown), (unknown), Yoshihiko Ogawa, Taku Ogawa, Ryuichi Nakano, Keiichi Mikasa, Kei Kasahara, Hisakazu Yano	8
6	Inhibitory effects of vaginal Lactobacilli on Candida albicans growth, hyphal formation, biofilm development, and epithelial cell adhesion 2023 ·Frontiers in Cellular and Infection Microbiology ·(unknown), (unknown), (unknown), Asami Matsumoto, Kentaro Oka, (unknown), Motomichi Takahashi, (unknown), Hiromu Takemura, Yuka Yamagishi, Hiroshige Mikamo, Hiroyuki Kunishima	15
7	Clostridium butyricum-induced ω-3 fatty acid 18-HEPE elicits anti-influenza virus pneumonia effects through interferon-λ upregulation 2022 ·Cell Reports ·Mao Hagihara, Makoto Yamashita, Tadashi Ariyoshi, (unknown), (unknown), Daiki Miura, Seiya Higashi, Kentaro Oka, Tsunemasa Nonogaki, Takeshi Mori, (unknown), Jun Hirai, Yuichi Shibata, Takumi Umemura, Hideo Kato, Nobuhiro Asai, Yuka Yamagishi, Akinobu Ota, Motomichi Takahashi, Hiroshige Mikamo	29
8	Characterization of Reproductive Microbiota of Primiparous Cows During Early Postpartum Periods in the Presence and Absence of Endometritis 2021 ·Frontiers in Veterinary Science ·(unknown), (unknown), Seiya Higashi, Kentaro Oka, Motomichi Takahashi, Shigeru Kamiya, Yutaka Tamura, Masaru Usui	14
9	Clostridium butyricum enhances colonization resistance against Clostridioides difficile by metabolic and immune modulation 2021 ·Scientific Reports ·Mao Hagihara, Tadashi Ariyoshi, Yasutoshi Kuroki, (unknown), Seiya Higashi, Takeshi Mori, Tsunemasa Nonogaki, (unknown), Makoto Yamashita, Nobuhiro Asai, Yusuke Koizumi, Kentaro Oka, Motomichi Takahashi, Yuka Yamagishi, Hiroshige Mikamo	45
10	Clostridium butyricum MIYAIRI 588-Induced Protectin D1 Has an Anti-inflammatory Effect on Antibiotic-Induced Intestinal Disorder 2020 ·Frontiers in Microbiology ·Tadashi Ariyoshi, Mao Hagihara, (unknown), (unknown), (unknown), Kentaro Oka, Motomichi Takahashi, Yuka Yamagishi, Hiroshige Mikamo	35
11	The impact of probiotic Clostridium butyricum MIYAIRI 588 on murine gut metabolic alterations 2019 ·Journal of Infection and Chemotherapy ·Mao Hagihara, (unknown), Asami Matsumoto, Takeshi Mori, Takayuki Inagaki, Tsunemasa Nonogaki, Yasutoshi Kuroki, Seiya Higashi, Kentaro Oka, Motomichi Takahashi, Hiroshige Mikamo	17
12	Genomic analysis of Shiga toxin-producing Escherichia coli from patients and asymptomatic food handlers in Japan 2019 ·PLoS ONE ·Hiroaki Baba, Hajime Kanamori, (unknown), Yasutoshi Kuroki, Seiya Higashi, Kentaro Oka, Motomichi Takahashi, (unknown), Kengo Oshima, Tetsuji Aoyagi, Koichi Tokuda, Mitsuo Kaku	13
13	Effects of Dietary Supplementation With Enterococcus faecium and Clostridium butyricum, Either Alone or in Combination, on Growth and Fecal Microbiota Composition of Post-weaning Pigs at a Commercial Farm 2019 ·Frontiers in Veterinary Science ·Yoshiaki Sato, Yasutoshi Kuroki, Kentaro Oka, Motomichi Takahashi, (unknown), (unknown), T. Fujimura	34
14	The effect of gut microbiota and probiotic organisms on the properties of extended spectrum beta-lactamase producing and carbapenem resistant Enterobacteriaceae including growth, beta-lactamase activity and gene transmissibility 2019 ·Journal of Infection and Chemotherapy ·Hiroyuki Kunishima, Noriomi Ishibashi, (unknown), Kentaro Oka, Motomichi Takahashi, (unknown), Tetsuji Aoyagi, Hiromu Takemura, Miho Kitagawa, Mitsuo Kaku	19
15	Characterization of the vaginal microbiota of Japanese women 2018 ·Anaerobe ·Asami Matsumoto, Yuka Yamagishi, Kentaro Miyamoto, Kentaro Oka, Motomichi Takahashi, Hiroshige Mikamo	19
16	Inhibition effect of flavophospholipol on conjugative transfer of the extended-spectrum β-lactamase and vanA genes 2018 ·The Journal of Antibiotics ·(unknown), Masaru Usui, (unknown), Kentaro Oka, Motomichi Takahashi, Hiroyuki Yamaguchi, Yutaka Tamura	18
17	The impact of Clostridium butyricum MIYAIRI 588 on the murine gut microbiome and colonic tissue 2018 ·Anaerobe ·Mao Hagihara, (unknown), Asami Matsumoto, Takeshi Mori, Yasutoshi Kuroki, (unknown), Kentaro Oka, Motomichi Takahashi, Tsunemasa Nonogaki, Yuka Yamagishi, Hiroshige Mikamo	43
18	Acanthamoeba containing endosymbiotic chlamydia isolated from hospital environments and its potential role in inflammatory exacerbation 2016 ·BMC Microbiology ·Tatsuya Fukumoto, Junji Matsuo, Torahiko Okubo, Shinji Nakamura, Kentaro Miyamoto, Kentaro Oka, Motomichi Takahashi, (unknown), Hitoshi Shibuya, Chikara Shimizu, Hiroyuki Yamaguchi	10
19	Distribution and characterization of Clostridium difficile isolated from dogs in Japan 2015 ·Anaerobe ·Masaru Usui, (unknown), Kentaro Oka, Kentaro Miyamoto, Motomichi Takahashi, Takashi Inamatsu, Shigeru Kamiya, Yutaka Tamura	21
20	Genetic relatedness between Japanese and European isolates of Clostridium difficile originating from piglets and their risk associated with human health 2014 ·Frontiers in Microbiology ·Masaru Usui, (unknown), Kentaro Oka, Motomichi Takahashi, Takashi Inamatsu, Tetsuo Asai, Shigeru Kamiya, Yutaka Tamura	27

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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