Search Results - "KONOSHIMA, Takao"

Cancer chemopreventive activity of the prenylated coumarin, umbelliprenin, in vivo by Iranshahi, Mehrdad, Sahebkar, Amirhossein, Takasaki, Midori, Konoshima, Takao, Tokuda, Harukuni

“…Umbelliprenin is a prenylated compound, which belongs to the class of sesquiterpene coumarins. In continuation of our earlier in-vitro finding, we determined…”
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Chemoprevention of skin cancer: effect of Lawsonia inermis L. (Henna) leaf powder and its pigment artifact, lawsone in the Epstein- Barr virus early antigen activation assay and in two-stage mouse skin carcinogenesis models by Kapadia, Govind J, Rao, G Subba, Sridhar, Rajagopalan, Ichiishi, Eiichiro, Takasaki, Midori, Suzuki, Nobutaka, Konoshima, Takao, Iida, Akira, Tokuda, Harukuni

“…In continuation of our studies with chemoprevention potential of plant-derived naphthoquinone derivatives, leaf powder of the medicinal plant Lawsonia inermis…”
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Antiproliferative Sesquiterpene Lactones from the Roots of Inula helenium by Konishi, Tenji, Shimada, Yasuo, Nagao, Tsuneatsu, Okabe, Hikaru, Konoshima, Takao

“…The MeOH extract of the roots of Inula helenium showed a high inhibitory activity for cell growth against MK-1, HeLa and B16F10 cell lines. Significant…”
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Anticarcinogenic activity of natural sweeteners, cucurbitane glycosides, from Momordica grosvenori by Takasaki, Midori, Konoshima, Takao, Murata, Yuji, Sugiura, Masaki, Nishino, Hoyoku, Tokuda, Harukuni, Matsumoto, Kazuhiro, Kasai, Ryoji, Yamasaki, Kazuo

“…To search for cancer chemopreventive agents from natural resources, many phytochemicals and food additives have been screened. Consequently, two natural…”
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Chemoprevention of DMBA-induced UV-B promoted, NOR-1-induced TPA promoted skin carcinogenesis, and DEN-induced phenobarbital promoted liver tumors in mice by extract of beetroot by Kapadia, Govind J., Azuine, Magnus A., Sridhar, Rajagopalan, Okuda, Yoko, Tsuruta, Atsushi, Ichiishi, Eiichiro, Mukainake, Teruo, Takasaki, Midori, Konoshima, Takao, Nishino, Hoyoku, Tokuda, Harukuni

“…Our previous studies identified the extract of Beta vulgaris (beetroot), commercially also known as betanin, as a potent cancer chemopreventive agent in both…”
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Anti-tumor-promoting activity of lignans from the aerial part of Saussurea medusa by Takasaki, Midori, Konoshima, Takao, Komatsu, Katsuko, Tokuda, Harukuni, Nishino, Hoyoku

“…In the course of our continuing search for novel cancer chemopreventive agents from natural sources, several kinds of Compositae plants were screened…”
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Correlation between oxidation potentials and inhibitory effects on Epstein–Barr virus activation of flavonoids by Koyama, Junko, Morita, Izumi, Kobayashi, Norihiro, Konoshima, Takao, Takasaki, Midori, Osakai, Toshiyuki, Tokuda, Harukuni

“…Abstract The oxidation potentials of fifteen flavonoids in phosphate buffer at pH 7.2 were determined by cyclic voltammetry. A good correlation was found…”
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Cancer-chemopreventive effects of natural sweeteners and related compounds by Konoshima, Takao, Takasaki, Midori

“…To search for possible cancer-chemopreventive agents from natural resources, several natural sweeteners were screened by the in vitro assay indicated by the…”
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Cancer chemopreventive activity of an iridoid glycoside, 8-acetylharpagide, from Ajuga decumbens by Konoshima, Takao, Takasaki, Midori, Tokuda, Harukuni, Nishino, Hoyoku

“…In the course of our continuing search for novel cancer chemopreventive agents from natural sources, several kinds of Labiatae plants were screened…”
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Neolignans from Piper futokadsura and Their Inhibition of Nitric Oxide Production by Konishi, Tenji, Konoshima, Takao, Daikonya, Akihiro, Kitanaka, Susumu

“…From a MeOH extract of the aerial part of Piper futokadsura, the tetrahydrofuran lignans, futokadsurin A…”
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Arctigenin from Fructus Arctii is a novel suppressor of heat shock response in mammalian cells by Ishihara, Keiichi, Yamagishi, Nobuyuki, Saito, Youhei, Takasaki, Midori, Konoshima, Takao, Hatayama, Takumi

“…Because heat shock proteins (Hsps) are involved in protecting cells and in the pathophysiology of diseases such as inflammation, cancer, and neurodegenerative…”
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Anti-tumor-Promoting Activity of the Diterpene from Excoecaria agallocha. II by KONOSHIMA, Takao, KONISHI, Tenji, TAKASAKI, Midori, YAMAZOE, Kiyonori, TOKUDA, Harukuni

“…Eight new diterpenoids (1—8) have been isolated from the wood of Excoecaria agallocha (Euphorbiaceae) and their inhibitory effects on the induction of…”
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Cancer chemopreventive activity of phenylpropanoid esters of sucrose, vanicoside B and lapathoside A, from Polygonum lapathifolium by Takasaki, Midori, Konoshima, Takao, Kuroki, Satoshi, Tokuda, Harukuni, Nishino, Hoyoku

“…To search for cancer chemopreventive agents from natural resources, many phytochemicals have been screened using the in vitro synergistic assay indicated by…”
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Anti-carcinogenic Activity of the Roots of Panax notoginseng. II by KONOSHIMA, Takao, TAKASAKI, Midori, TOKUDA, Harukuni

“…The extract of the roots of Panax notoginseng (Araliaceae) exhibited a significant anti-tumor-promoting activity on two-stage carcinogenesis of mouse skin…”
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Anti-tumor promoting activity of polyphenols from Cowania mexicana and Coleogyne ramosissima by Ito, Hideyuki, Miyake, Masateru, Nishitani, Eisei, Mori, Kazuko, Hatano, Tsutomu, Okuda, Takuo, Konoshima, Takao, Takasaki, Midori, Kozuka, Mutsuo, Mukainaka, Teruo, Tokuda, Harukuni, Nishino, Hoyoku, Yoshida, Takashi

“…Chemical investigation on polyphenol-rich fractions of Cowania mexicana and Coleogyne ramosissima (Rosaceae) which showed significant inhibitory effects on…”
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Cowaniin, a C-Glucosidic Ellagitannin Dimer Linked through Catechin from Cowania mexicana by Ito, Hideyuki, Miyake, Masateru, Nishitani, Eisei, Miyashita, Kyoko, Yoshimura, Morio, Yoshida, Takashi, Takasaki, Midori, Konoshima, Takao, Kozuka, Mutsuo, Hatano, Tsutomu

“…A new complex tannin, cowaniin (1) was isolated from the leaves and stems of Cowania mexicana (Rosaceae), and its structure was characterized as novel…”
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Three Diterpenoids (Excoecarins V1—V3) and a Flavanone Glycoside from the Fresh Stem of Excoecaria agallocha by Konishi, Tenji, Yamazoe, Kiyonori, Kanzato, Masahiro, Konoshima, Takao, Fujiwara, Yasuhiro

“…Three new diterpenoids, excoecarins V1—V3 (1—3) and a new flavanone glycoside (7) were isolated from the fresh stem of Excoecaria agallocha L. Their structures…”
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Antitumor-promoting effects of cyclic diarylheptanoids on Epstein–Barr virus activation and two-stage mouse skin carcinogenesis by Ishida, Junko, Kozuka, Mutsuo, Wang, Hui-Kang, Konoshima, Takao, Tokuda, Harukuni, Okuda, Masato, Yang Mou, Xiao, Nishino, Hoyoku, Sakurai, Nobuko, Lee, Kuo-Hsiung, Nagai, Masahiro

“…Eleven cyclic diarylheptanoids were screened as potential antitumor promoters by examining the ability of the compounds to inhibit Epstein–Barr virus early…”
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Cancer chemopreventive activity of majonoside-R2 from vietnamese ginseng, Panax vietnamensis by KONOSHIMA, T, TAKASAKI, M, ICHIISHI, E, MURAKAMI, T, TOKUDA, H, NISHINO, H, NGUYEN MINH DUC, KASAI, R, YAMASAKI, K

“…In the course of our continuing search for novel cancer chemopreventive agents from natural sources, several kinds of Panax plants were screened. Consequently,…”
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New Bis-secolabdane Diterpenoids from Excoecaria agallocha by Konishi, Tenji, Yamazoe, Kiyonori, Konoshima, Takao, Maoka, Takashi, Fujiwara, Yasuhiro, Miyahara, Kazumoto

“…Two new bis-secolabdane diterpenoids, excoecarins R1 (1) and R2 (2), were isolated from the resinous wood of Excoecaria agallocha. The structures of 1 and 2…”
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