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- Publications
- Influence
Separation of Leucas aspera, a medicinal plant of Bangladesh, guided by prostaglandin inhibitory and antioxidant activities.
- S. K. Sadhu, E. Okuyama, H. Fujimoto, M. Ishibashi
- Chemistry, Medicine
- Chemical & pharmaceutical bulletin
- 1 May 2003
According to the traditional usage of the plant for antiinflammation and analgesia, Leucas aspera was tested for its prostaglandin (PG) inhibitory and antioxidant activities. The extract showed both… Expand
Antioxidant, antinociceptive activity and general toxicity study of Dendrophthoe falcata and isolation of quercitrin as the major component
- Shihab Hasan, I. Ahmed, +4 authors S. J. Uddin
- Chemistry
- 2006
Plants have been used in traditional medicinal system for centuries. Bangladeshi medicinal plants have received considerable attention from the researchers for evaluation of their bioactivity. As a… Expand
Analgesic components of saposhnikovia root (Saposhnikovia divaricata).
- E. Okuyama, T. Hasegawa, T. Matsushita, H. Fujimoto, M. Ishibashi, M. Yamazaki
- Chemistry, Medicine
- Chemical & pharmaceutical bulletin
- 1 February 2001
By activity-oriented separation using the writhing method in mice, the analgesic components of Saposhnikovia root (Saposhnikovia divaricata Schischkin; Umbelliferae) were identified to be chromones,… Expand
Immunomodulatory constituents from an Ascomycete, Chaetomium seminudum.
- H. Fujimoto, M. Sumino, E. Okuyama, M. Ishibashi
- Chemistry, Medicine
- Journal of natural products
- 2004
A screening study focusing on immunomodulatory activity of the EtOAc extract of an Ascomycete, Chaetomium seminudum, has afforded a known epipolythiodioxopiperazine, chetomin (1), together with three… Expand
Lignan glycosides and flavonoids from Saraca asoca with antioxidant activity
- Samir Kumar Sadhu, A. Khatun, P. Phattanawasin, T. Ohtsuki, M. Ishibashi
- Chemistry
- Journal of Natural Medicines
- 4 August 2007
Five lignan glycosides, lyoniside, nudiposide, 5-methoxy-9-β-xylopyranosyl-(−)-isolariciresinol, icariside E3, and schizandriside, and three flavonoids, (−)-epicatechin,… Expand
Chromomycins A2 and A3 from Marine Actinomycetes with TRAIL Resistance-Overcoming and Wnt Signal Inhibitory Activities
- K. Toume, Kentaro Tsukahara, H. Ito, Midori A. Arai, M. Ishibashi
- Biology, Medicine
- Marine drugs
- 1 June 2014
A biological screening study of an actinomycetes strain assembly was conducted using a cell-based cytotoxicity assay. The CKK1019 strain was isolated from a sea sand sample. Cytotoxicity-guided… Expand
Naturally Occurring Small‐Molecule Inhibitors of Hedgehog/GLI‐Mediated Transcription
- T. Hosoya, Midori A. Arai, T. Koyano, T. Kowithayakorn, M. Ishibashi
- Biology, Medicine
- Chembiochem : a European journal of chemical…
- 5 May 2008
The aberrant hedgehog (Hh)/GLI signaling pathway causes the formation and progression of a variety of tumors. To search for Hh/GLI inhibitors, we screened for naturally occurring inhibitors of the… Expand
Hyrtiosins A and B, new indole alkaloids from the Okinawan marine sponge Hyrtios erecta
- J. Kobayashi, T. Murayama, +7 authors Sasaki Takuma
- Chemistry
- 1990
Abstract Two new indole alkaloids, hyrtiosins A (2) and B (3), together with known 5-hydroxyindole-3-aldehyde (1) have been isolated from the Okinawan marine sponge Hyrtios erecta and their… Expand
Stelliferins A–F, new antineoplastic isomalabaricane triterpenes from the Okinawan marine sponge Jaspis stellifera.
- M. Tsuda, M. Ishibashi, Kaori Agemi, T. Sasaki, J. Kobayashi
- Chemistry
- 1991
Abstract Six new antineoplastic isomalabaricane-type triterpenes, stelliferins A–F, have been isolated from the Okinawan marine sponge Jaspis stellifera . The structures were established by… Expand
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