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Tomihisa Ohta

Tomihisa Ohta

D-Index & Metrics

Chemistry

D-Index
46
Citations
6983
World Ranking
16134
National Ranking
1275

Overview

Tomihisa Ohta is affiliated with Kanazawa University in Japan. Their research primarily spans the fields of Agricultural and Biological Sciences, Biochemistry, Genetics and Molecular Biology, and Medicine. Within these fields, their work further delves into subfields including Complementary and Alternative Medicine, Food Science, Molecular Biology, Plant Science, and Biotechnology.

Their scientific contributions have been published in several venues, notably Natural Product Research, Saudi Pharmaceutical Journal, and the Japanese Journal of Complementary and Alternative Medicine.

Recent publications by Tomihisa Ohta include:

  • Phytochemical and in silico studies for potential constituents from Centaurium spicatum as candidates against the SARS-CoV-2 main protease and RNA-dependent RNA polymerase, 2021, Natural Product Research
  • Isolation and identification of novel selective antitumor constituents, sidrin and sidroside, from Zizyphus spina-christi, 2023, Saudi Pharmaceutical Journal
  • Anti-tumor Activity and Survival Impact of Whole Adlay Hot Water Extract in Sarcoma Mouse Model, 2020, Japanese Journal of Complementary and Alternative Medicine

The scientist's research covers main topics such as Medicinal Plants and Neuroprotection, Phytochemistry and Biological Activities, Essential Oils and Antimicrobial Activity, Ziziphus Jujuba Studies and Applications, Natural product bioactivities and synthesis, Ginseng Biological Effects and Applications, and Microbial Metabolism and Applications.

Tomihisa Ohta has frequently collaborated with researchers including Ahmed E. Allam, Mohamed E. Abouelela, Hamdy K. Assaf, Ahmed M. Sayed, and Alaa M. Nafady.

Best Publications

  • Role of Furanocoumarin Derivatives on Grapefruit Juice-Mediated Inhibition of Human CYP3A Activity

    Lian-Qing Guo;Katsuyuki Fukuda;Tomihisa Ohta;Yasushi Yamazoe

  • Notoamides A–D: Prenylated Indole Alkaloids Isolated from a Marine‐Derived Fungus, Aspergillus sp.

    Hikaru Kato;Takushi Yoshida;Takanori Tokue;Yuka Nojiri

  • Inhibition Selectivity of Grapefruit Juice Components on Human Cytochromes P450

    Wichittra Tassaneeyakul;Lian-Qing Guo;Katsuyuki Fukuda;Tomihisa Ohta

  • Specific CYP3A4 inhibitors in grapefruit juice: furocoumarin dimers as components of drug interaction

    Katsuyuki Fukuda;Tomihisa Ohta;Yoshiteru Oshima;Noriko Ohashi

  • Ascididemin, a novel pentacyclic aromatic alkaloid with potent antileukemic activity from the Okinawan tunicate Didemnum sp.

    Jun'ichi Kobayash;Jie-fei Cheng;Hideshi Nakamura;Yasushi Ohizumi

  • Eudistomidins B, C, and D: novel antileukemic alkaloids from the Okinawan marine tunicate Eudistoma glaucus

    Junichi Kobayashi;Jie Fei Cheng;Tomihisa Ohta;Shigeo Nozoe

  • Isolation of antipodal (-)-versicolamide B and notoamides L-N from a marine-derived Aspergillus sp

    Sachiko Tsukamoto;Tetsuro Kawabata;Hikaru Kato;Thomas J. Greshock

  • Notoamides F-K, prenylated indole alkaloids isolated from a marine-derived Aspergillus sp.

    Sachiko Tsukamoto;Hikaru Kato;Masayuki Samizo;Yuka Nojiri

  • Ageliferins, potent actomyosin Atpase activators from the Okinawan marine sponge sp

    Jun'ichi Kobayashi;Masashi Tsuda;Tetsuya Murayama;Hideshi Nakamura

  • Bioactive monoterpene glycosides conjugated with gallic acid from the leaves of Eucalyptus globulus.

    Tatsuya Hasegawa;Fumihide Takano;Takanobu Takata;Masato Niiyama

  • Himeic acid A: a new ubiquitin-activating enzyme inhibitor isolated from a marine-derived fungus, Aspergillus sp.

    Sachiko Tsukamoto;Hiroshi Hirota;Misako Imachi;Masahiro Fujimuro

  • Hyrtiosins A and B, new indole alkaloids from the Okinawan marine sponge Hyrtios erecta

    Jun'ichi Kobayashi;Tetsuya Murayama;Tetsuya Murayama;Masami Ishibashi;Sumiko Kosuge;Sumiko Kosuge

  • Inhibitory effect of natural furanocoumarins on human microsomal cytochrome P450 3A activity.

    Lian-Qing Guo;Masahiko Taniguchi;Yong-Qing Xiao;Kimiye Baba

  • Four new bioactive pyrrole-derived alkaloids from the marine sponge Axinella brevistyla.

    Sachiko Tsukamoto;Kazuhiro Tane;Tomihisa Ohta;Shigeki Matsunaga

  • Isolation of cytochrome p450 inhibitors from strawberry fruit, Fragaria ananassa

    Sachiko Tsukamoto;Kyoko Tomise;Maki Aburatani;Hiroyuki Onuki

  • Hexylitaconic acid: a new inhibitor of p53-HDM2 interaction isolated from a marine-derived fungus, Arthrinium sp.

    Sachiko Tsukamoto;Takushi Yoshida;Hidetaka Hosono;Tomihisa Ohta

  • Anti-inflammatory and anti-melanogenic steroidal saponin glycosides from Fenugreek (Trigonella foenum-graecum L.) seeds.

    Tetsuro Kawabata;Ming Yue Cui;Tatsuya Hasegawa;Fumihide Takano

  • Isolation of notoamide E, a key precursor in the biosynthesis of prenylated indole alkaloids in a marine-derived fungus, Aspergillus sp

    Sachiko Tsukamoto;Hikaru Kato;Thomas J. Greshock;Hiroshi Hirota

  • Stimulation of neurotrophic factor secretion from 1321N1 human astrocytoma cells by novel diterpenoids, scabronines A and G

    Yutaro Obara;Norimichi Nakahata;Takako Kita;Yoshiaki Takaya

  • Scabronine A, a novel diterpenoid having potent inductive activity of the nerve growth factor synthesis, isolated from the mushroom, Sarcodon scabrosus

    Tomihisa Ohta;Takako Kita;Norihiro Kobayashi;Yutaro Obara

  • Iejimalides A and B, novel 24-membered macrolides with potent antileukemic activity from the Okinawan tunicate Eudistoma cf. rigida

    Junichi Kobayashi;Jiefei Cheng;Tomihisa Ohta;Hideshi Nakamura

Frequent Co-Authors

Sachiko Tsukamoto
Sachiko Tsukamoto Kumamoto University
Yasushi Ohizumi
Yasushi Ohizumi Tohoku University
Yoshiteru Oshima
Yoshiteru Oshima Tohoku University
Ichiro Takahashi
Ichiro Takahashi Hiroshima University
Masami Ishibashi
Masami Ishibashi Chiba University
Yasushi Yamazoe
Yasushi Yamazoe Tohoku University
Hiroshi Hikino
Hiroshi Hikino Tohoku University
Hiroshi Hirota
Hiroshi Hirota Nihon University
Jun'ichi Kobayashi
Jun'ichi Kobayashi Hokkaido University
Robert M. Williams
Robert M. Williams Colorado State University

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