Search Results - "Konoshima, Takao"
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Cancer chemopreventive activity of the prenylated coumarin, umbelliprenin, in vivo
Published in European journal of cancer prevention (01-09-2009)“…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
Published in Anti-cancer agents in medicinal chemistry (01-12-2013)“…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
Published in Biological & pharmaceutical bulletin (01-10-2002)“…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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4
Anticarcinogenic activity of natural sweeteners, cucurbitane glycosides, from Momordica grosvenori
Published in Cancer letters (30-07-2003)“…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
Published in Pharmacological research (01-02-2003)“…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
Published in Cancer letters (29-09-2000)“…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
Published in Cancer letters (08-05-2008)“…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
Published in Pure and applied chemistry (01-07-2002)“…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
Published in Cancer letters (31-08-2000)“…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
Published in Chemical & pharmaceutical bulletin (2005)“…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
Published in Cell stress & chaperones (2006)“…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
Published in Biological & pharmaceutical bulletin (01-12-2001)“…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
Published in Cancer letters (28-11-2001)“…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
Published in Biological & pharmaceutical bulletin (01-10-1999)“…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
Published in Cancer letters (23-08-1999)“…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
Published in Chemical & pharmaceutical bulletin (01-03-2007)“…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
Published in Chemical & Pharmaceutical Bulletin (01-10-2003)“…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
Published in Cancer letters (31-10-2000)“…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
Published in Cancer letters (01-12-1999)“…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
Published in Journal of natural products (Washington, D.C.) (01-01-2003)“…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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