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Thaworn Kowithayakorn

Research Profile

Genes & Molecular Sequences

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Thailand

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Kazufumi Toume; Midori A Arai; Tahmina Hoque; Thaworn Kowithayakorn; Takashi Koyano; Takafumi Nakazawa; Takashi Ohtsuki; Masami Ishibashi
Cycloartane triterpenes and ingol diterpenes isolated from Euphorbia neriifolia in a screening program for death-receptor expression-enhancing activity.
Yusnita Rifai; Midori A Arai; Thaworn Kowithayakorn; Takashi Koyano; Masami Ishibashi
Acoschimperoside P, 2'-acetate: a Hedgehog signaling inhibitory constituent from Vallaris glabra.
Kazufumi Toume; Takafumi Nakazawa; Takashi Ohtsuki; Midori A Arai; Takashi Koyano; Thaworn Kowithayakorn; Masami Ishibashi
Cycloartane triterpenes isolated from Combretum quadrangulare in a screening program for death-receptor expression enhancing activity.

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All Publications

2012: Kazufumi Toume; Midori A Arai; Tahmina Hoque; Thaworn Kowithayakorn; Takashi Koyano; Takafumi Nakazawa; Takashi Ohtsuki; Masami Ishibashi
Cycloartane triterpenes and ingol diterpenes isolated from Euphorbia neriifolia in a screening program for death-receptor expression-enhancing activity.
Planta medica 2012;78(12):1370-7.
2011: Yusnita Rifai; Midori A Arai; Thaworn Kowithayakorn; Takashi Koyano; Masami Ishibashi
Acoschimperoside P, 2'-acetate: a Hedgehog signaling inhibitory constituent from Vallaris glabra.
Journal of natural medicines 2011;65(3-4):629-32.
2011: Kazufumi Toume; Takafumi Nakazawa; Takashi Ohtsuki; Midori A Arai; Takashi Koyano; Thaworn Kowithayakorn; Masami Ishibashi
Cycloartane triterpenes isolated from Combretum quadrangulare in a screening program for death-receptor expression enhancing activity.
Journal of natural products 2011;74(2):249-55.
2011: Midori A Arai; Chikashi Tateno; Takashi Koyano; Thaworn Kowithayakorn; Seiichiro Kawabe; Masami Ishibashi
New hedgehog/GLI-signaling inhibitors from Adenium obesum.
Organic & biomolecular chemistry 2011;9(4):1133-9.
2011: Naomi Mori; Kazufumi Toume; Midori A Arai; Takashi Koyano; Thaworn Kowithayakorn; Masami Ishibashi
2-methoxy-1,4-naphthoquinone isolated from Impatiens balsamina in a screening program for activity to inhibit Wnt signaling.
Journal of natural medicines 2011;65(1):234-6.
2010: Yusnita Rifai; Midori A Arai; Takashi Koyano; Thaworn Kowithayakorn; Masami Ishibashi
Terpenoids and a flavonoid glycoside from Acacia pennata leaves as hedgehog/GLI-mediated transcriptional inhibitors.
Journal of natural products 2010;73(5):995-7.
2010: Hiroyuki Kikuchi; Takashi Ohtsuki; Takashi Koyano; Thaworn Kowithayakorn; Toshiyuki Sakai; Masami Ishibashi
Activity of mangosteen xanthones and teleocidin a-2 in death receptor expression enhancement and tumor necrosis factor related apoptosis-inducing ligand assays.
Journal of natural products 2010;73(3):452-5.
2009: Midori A Arai; Eiji Kobatake; Takashi Koyano; Thaworn Kowithayakorn; Shigeaki Kato; Masami Ishibashi
A method for the rapid discovery of naturally occurring products by proteins immobilized on magnetic beads and reverse affinity chromatography.
Chemistry, an Asian journal 2009;4(12):1802-8.
2009: Takashi Ohtsuki; Hiroyuki Kikuchi; Takashi Koyano; Thaworn Kowithayakorn; Toshiyuki Sakai; Masami Ishibashi
Death receptor 5 promoter-enhancing compounds isolated from Catimbium speciosum and their enhancement effect on TRAIL-induced apoptosis.
Bioorganic & medicinal chemistry 2009;17(18):6748-54.
2009: Takashi Miyagawa; Takashi Ohtsuki; Takashi Koyano; Thaworn Kowithayakorn; Masami Ishibashi
Cardenolide glycosides of Thevetia peruviana and triterpenoid saponins of Sapindus emarginatus as TRAIL resistance-overcoming compounds.
Journal of natural products 2009;72(8):1507-11.
2009: Xiaofan Li; Takashi Ohtsuki; Takashi Koyano; Thaworn Kowithayakorn; Masami Ishibashi
New Wnt/beta-catenin signaling inhibitors isolated from Eleutherine palmifolia.
Chemistry, an Asian journal 2009;4(4):540-7.
2009: Samir Kumar Sadhu; Mayu Tamaki; Takashi Ohtsuki; Kazufumi Toume; Takashi Koyano; Thaworn Kowithayakorn; Masami Ishibashi
Cadinane sesquiterpenes from Curcuma parviflora.
Journal of natural products 2009;72(4):782-3.
2009: Hiroyuki Kikuchi; Takashi Ohtsuki; Takashi Koyano; Thaworn Kowithayakorn; Toshiyuki Sakai; Masami Ishibashi
Death receptor 5 targeting activity-guided isolation of isoflavones from Millettia brandisiana and Ardisia colorata and evaluation of ability to induce TRAIL-mediated apoptosis.
Bioorganic & medicinal chemistry 2009;17(3):1181-6.
2008: Midori A Arai; Chikashi Tateno; Takahiro Hosoya; Takashi Koyano; Thaworn Kowithayakorn; Masami Ishibashi
Hedgehog/GLI-mediated transcriptional inhibitors from Zizyphus cambodiana.
Bioorganic & medicinal chemistry 2008;16(21):9420-4.
2008: Takahiro Hosoya; Midori A Arai; Takashi Koyano; Thaworn Kowithayakorn; Masami Ishibashi
Naturally occurring small-molecule inhibitors of hedgehog/GLI-mediated transcription.
Chembiochem : a European journal of chemical biology 2008;9(7):1082-92.
2008: Takashi Ohtsuki; Takashi Miyagawa; Takashi Koyano; Thaworn Kowithayakorn; Nobuo Kawahara; Yukihiro Goda; Masami Ishibashi
Acylated triterpenoid saponins from Schima noronhae and their cell growth inhibitory activity.
Journal of natural products 2008;71(5):918-21.
2008: Takashi Ohtsuki; Emiko Yokosawa; Takashi Koyano; Srisomporn Preeprame; Thaworn Kowithayakorn; Shinobu Sakai; Toshihiko Toida; Masami Ishibashi
Quinic acid esters from Pluchea indica with collagenase, MMP-2 and MMP-9 inhibitory activities.
Phytotherapy research : PTR 2008;22(2):264-6.
2007: Hiroyuki Kikuchi; Takashi Ohtsuki; Takashi Koyano; Thaworn Kowithayakorn; Toshiyuki Sakai; Masami Ishibashi
Brandisianins A-F, isoflavonoids isolated from Millettia brandisiana in a screening program for death-receptor expression enhancement activity.
Journal of natural products 2007;70(12):1910-4.
2007: Xiaofan Li; Takashi Ohtsuki; Sayaka Shindo; Masaaki Sato; Takashi Koyano; Srisomporn Preeprame; Thaworn Kowithayakorn; Masami Ishibashi
Mangiferin identified in a screening study guided by neuraminidase inhibitory activity.
Planta medica 2007;73(11):1195-6.
2006: Takashi Ohtsuki; Masaaki Sato; Takashi Koyano; Thaworn Kowithayakorn; Nobuo Kawahara; Yukihiro Goda; Masami Ishibashi
Steroidal saponins from Calamus insignis, and their cell growth and cell cycle inhibitory activities.
Bioorganic & medicinal chemistry 2006;14(3):659-65.
2005: Fumihiro Teramachi; Takashi Koyano; Thaworn Kowithayakorn; Masahiko Hayashi; Kanki Komiyama; Masami Ishibashi
Collagenase inhibitory quinic acid esters from Ipomoea pes-caprae.
Journal of natural products 2005;68(5):794-6.
2005: Naoto Osaki; Takashi Koyano; Thaworn Kowithayakorn; Masahiko Hayashi; Kanki Komiyama; Masami Ishibashi
Sesquiterpenoids and plasmin-inhibitory flavonoids from Blumea balsamifera.
Journal of natural products 2005;68(3):447-9.
2004: Takashi Ohtsuki; Takashi Koyano; Thaworn Kowithayakorn; Naoto Yamaguchi; Masami Ishibashi
Isolation of austroinulin possessing cell cycle inhibition activity from Blumea glomerata and revision of its absolute configuration.
Planta medica 2004;70(12):1170-3.
2004: Takashi Ohtsuki; Takashi Koyano; Thaworn Kowithayakorn; Shinobu Sakai; Nobuo Kawahara; Yukihiro Goda; Naoto Yamaguchi; Masami Ishibashi
New chlorogenin hexasaccharide isolated from Agave fourcroydes with cytotoxic and cell cycle inhibitory activities.
Bioorganic & medicinal chemistry 2004;12(14):3841-5.
2003: Kazuo Umezawa; A Hiroki; Mariko Kawakami; H Naka; I Takei; T Ogata; I Kojima; T Koyano; Thaworn Kowithayakorn; Huey-Shen Pang; Toh-Seok Kam
Induction of insulin production in rat pancreatic acinar carcinoma cells by conophylline.
Biomedicine & pharmacotherapy = Biomédecine & pharmacothérapie 2003;57(8):341-50.
2003: Souichi Kawamoto; Takashi Koyano; Thaworn Kowithayakorn; Haruhiro Fujimoto; Emi Okuyama; Masahiko Hayashi; Kanki Komiyama; Masami Ishibashi
Wrightiamines A and B, two new cytotoxic pregnane alkaloids from Wrightia javanica.
Chemical & pharmaceutical bulletin 2003;51(6):737-9.
2002: Tadamitsu Tanaka; Masami Ishibashi; Haruhiro Fujimoto; Emi Okuyama; Takashi Koyano; Thaworn Kowithayakorn; Masahiko Hayashi; Kanki Komiyama
New onoceranoid triterpene constituents from Lansium domesticum.
Journal of natural products 2002;65(11):1709-11.
2001: T Tanaka; Takashi Koyano; Thaworn Kowithayakorn; Haruhiro Fujimoto; Emi Okuyama; Masahiko Hayashi; Kanki Komiyama; Masami Ishibashi
New multiflorane-type triterpenoid acids from Sandoricum indicum.
Journal of natural products 2001;64(9):1243-5.