Koichi Koshimizu

Koichi Koshimizu publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Koichi Koshimizu sits on this spectrum.

Koichi Koshimizu D-index placement in Chemistry in 2026

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

Overview

Best Publications

• Inhibitory effect of citrus nobiletin on phorbol ester-induced skin inflammation, oxidative stress, and tumor promotion in mice.

  Akira Murakami;Yoshimasa Nakamura;Koji Torikai;Takuji Tanaka

  460
  Citations

• Zerumbone, a Southeast Asian ginger sesquiterpene, markedly suppresses free radical generation, proinflammatory protein production, and cancer cell proliferation accompanied by apoptosis: the α,β-unsaturated carbonyl group is a prerequisite

  Akira Murakami;Daisuke Takahashi;Takashi Kinoshita;Koichi Koshimizu

  427
  Citations

• Inhibitory effects of ursolic and oleanolic ancid on skin tumor promotion by 12-O-tetradecanoylphorbol-13-acetate

  Harukuni Tokuda;Hajime Ohigashi;Koichi Koshimizu;Yohei Ito

  365
  Citations

• Niaziminin, a Thiocarbamate from the Leaves of Moringa oleifera, Holds a Strict Structural Requirement for Inhibition of Tumor-Promoter-Induced Epstein-Barr Virus Activation

  Akira Murakami;Yumi Kitazono;Suratwadee Jiwajinda;Koichi Koshimizu

  303
  Citations

• Search for possible antitumor promoters by inhibition of 12-O-tetradecanoylphorbol-13-acetate-induced Epstein-Barr virus activation; Ursolic acid and oleanolic acid from an anti-inflammatory Chinese medicinal plant, Glechoma hederaceae L.

  Hajime Ohigashi;Hitoshi Takamura;Koichi Koshimizu;Harukuni Tokuda

  224
  Citations

• Auraptene, a citrus coumarin, inhibits 12-O-tetradecanoylphorbol-13-acetate-induced tumor promotion in ICR mouse skin, possibly through suppression of superoxide generation in leukocytes.

  Akira Murakami;Wataru Kuki;Yasuo Takahashi;Hiroshi Yonei

  222
  Citations

• Anti-tumor Promoting Activity of Bufadienolides from Kalanchoe pinnata and K. daigremontiana × butiflora

  Unang Supratman;Tomoyuki Fujita;Kohki Akiyama;Hideo Hayashi

  217
  Citations

• Anti-tumor Promotion with Food Phytochemicals: A Strategy for Cancer Chemoprevention

  Akira Murakami;Hajime Ohigashi;Koichi Koshimizu

  205
  Citations

• Bitter steroid glucosides, vernoniosides A1, A2, and A3, and related B1 from a possible medicinal plant, Vernonia amygdalina, used by wild chimpanzees.

  Mitsuo Jisaka;Hajime Ohigashi;Teruyoshi Takagaki;Hiroshi Nozaki

  190
  Citations

• Citrus Auraptene Exerts Dose-dependent Chemopreventive Activity in Rat Large Bowel Tumorigenesis: The Inhibition Correlates with Suppression of Cell Proliferation and Lipid Peroxidation and with Induction of Phase II Drug-metabolizing Enzymes

  Takuji Tanaka;Kunihiro Kawabata;Mikio Kakumoto;Akira Hara

  188
  Citations

• Identification of zerumbone in Zingiber zerumbet Smith as a potent inhibitor of 12-O-tetradecanoylphorbol-13-acetate-induced Epstein-Barr virus activation.

  Akira Murakami;Miyuki Takahashi;Suratwadee Jiwajinda;Koichi Koshimizu

  177
  Citations

• Effects of selected food factors with chemopreventive properties on combined lipopolysaccharide- and interferon-γ-induced IκB degradation in RAW264.7 macrophages

  Akira Murakami;Kazuhiko Matsumoto;Koichi Koshimizu;Hajime Ohigashi

  174
  Citations

• Glyceroglycolipids from Citrus hystrix, a Traditional Herb in Thailand, Potently Inhibit the Tumor-Promoting Activity of 12-O-Tetradecanoylphorbol 13-Acetate in Mouse Skin

  Akira Murakami;Yoshimasa Nakamura;Koichi Koshimizu;Hajime Ohigashi

  173
  Citations

• Further investigation of the modifying effect of various chemopreventive agents on apoptosis and cell proliferation in human colon cancer cells

  Qiao Zheng;Yoshinobu Hirose;Naoki Yoshimi;Akira Murakami

  169
  Citations

• Suppressive effects of citrus fruits on free radical generation and nobiletin, an anti-inflammatory polymethoxyflavonoid.

  Akira Murakami;Yoshimasa Nakamura;Yoshimi Ohto;Masamichi Yano

  159
  Citations

• Chemoprevention of azoxymethane-induced rat aberrant crypt foci by dietary zerumbone isolated from Zingiber zerumbet.

  Takuji Tanaka;Masahito Shimizu;Hiroyuki Kohno;Shin-ichiro Yoshitani

  154
  Citations

• Modifying effects of carotenoids on superoxide and nitric oxide generation from stimulated leukocytes.

  Akira Murakami;Mamiko Nakashima;Teruaki Koshiba;Takashi Maoka

  151
  Citations

• Use of Vernonia amygdalina by wild chimpanzee : possible roles of its bitter and related constituents

  Koichi Koshimizu;Hajime Ohigashi;Michael A. Huffman

  149
  Citations

• Toward the chemical ecology of medicinal plant use in chimpanzees: The case ofVernonia amygdalina, a plant used by wild chimpanzees possibly for parasite-related diseases.

  Hajime Ohigashi;Michael A. Huffman;Daisuke Izutsu;Koichi Koshimizu

  145
  Citations

• Antitumoral and antimicrobial activities of bitter sesquiterpene lactones of Vernonia amygdalina, a possible medicinal plant used by wild chimpanzees.

  Mitsuo Jisaka;Hajime Ohigashi;Kazunori Takegawa;Michael A. Huffman

  143
  Citations

• FA15, a hydrophobic derivative of ferulic acid, suppresses inflammatory responses and skin tumor promotion: comparison with ferulic acid

  Akira Murakami;Yoshimasa Nakamura;Koichi Koshimizu;Daisuke Takahashi

  142
  Citations

• 1,1-Dimethylallylcoumarins potently supress both lipopolysaccharide- and interferon-γ-induced nitric oxide generation in mouse macrophage RAW 264.7 cells

  Akira Murakami;Guanxin Gao;Mitsuo Omura;Masamichi Yano

  135
  Citations

• 1'-Acetoxychavicol acetate, a superoxide anion generation inhibitor, potently inhibits tumor promotion by 12-O-tetradecanoylphorbol-13-acetate in ICR mouse skin.

  Akira Murakami;Shin Ohura;Yoshimasa Nakamura;Koichi Koshimizu

  128
  Citations

• Screening for in vitro anti-tumor promoting activities of edible plants from Thailand

  Akira Murakami;Suratwadee Jiwajinda;Koichi Koshimizu;Hajime Ohigashi

  119
  Citations