Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Cherry L, Herald"'
Autor:
Cherry L. Herald, Rui Tan, Jean-Charles Chapuis, Larry P. Tackett, Denise Nielsen Tackett, Jiang Du, Jean M. Schmidt, Toshihiko Nogawa, Justin Searcy, Qinghua Ye, Animesh Goswami, Gordon M. Cragg, John N. A. Hooper, Michael S. Hoard, Lee Williams, Dennis L. Doubek, Robin K. Pettit, Felicia M. Craciunescu, Fiona Hogan, George R. Pettit, Zbigniew A. Cichacz, Jun-Ping Xu
Publikováno v:
Journal of Natural Products. 71:438-444
Bioassay-guided fractionation of extracts of various plants, marine organisms, and microorganisms has led to the discovery of new natural sources of a number of known compounds that have significant biological activity. The isolation of interesting a
Autor:
John C. Knight, Cherry L. Herald, Gordon M. Cragg, Jean-Charles Chapuis, Delbert L. Herald, Venugopal J. R. V. Mukku, George R. Pettit
Publikováno v:
Journal of Natural Products. 71:130-133
An investigation of the Phillippine Ampelocissus sp. roots for cancer cell growth inhibitory components led to the isolation of a new acetogenin characterized as 22-epicalamistrin (1) employing primarily 2D NMR and high-resolution mass spectral analy
Autor:
Tanja Woyke, Zbigniew A. Cichacz, Robin K. Pettit, Cherry L. Herald, George R. Pettit, Sandy Pon
Publikováno v:
Medical Mycology. 43:453-463
Spongistatin 1 is a macrocyclic lactone polyether from the marine sponge Hyrtios erecta. The aim of this study was to evaluate the in vitro and in vivo antifungal efficacies and mechanism of spongistatin 1. Spongistatin 1 was fungicidal for the major
Autor:
Yoshiaki Kamano, Toshihiko Nogawa, Ayano Kotake, Hatsue Hiraide, Cherry L. Herald, George R. Pettit
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 23:399-409
The Separation of bryostatin derivatives (26-acetate, 26-metabromobenzoate, 26-ketone, and 13→ 30 epoxide) by high performance liquid chromatography (HPLC) using normal phase and reverse phase systems was accomplished. Using n-hexane/EtOAc/MeOH/H2O
Autor:
George R. Pettit, Yoshiaki Kamano, Delbert L. Herald, Hideji Itokawa, Cherry L. Herald, Hui-ping Zhang, Osamu Shirota, Hiroshi Morita
Publikováno v:
Tetrahedron. 52:2369-2376
Conformation of bryostatin 10, a marine antineoplastic macrolide, in CDCl3 was analyzed by the spectroscopic and computational chemical methods. A combination of homonuclear two-dimensional NMR techniques at 600 MHz have enabled us to perform complet
Autor:
Yoshiaki Kamano, Jean-Charles Chapuis, John C. Coll, George R. Pettit, Jean M. Schmidt, Peter M. Blumberg, F. Gao, Cherry L. Herald, Nancy E. Lewin
Publikováno v:
Journal of Natural Products. 59:286-289
Separation of two trace cancer cell growth inhibitory (P388 leukemia) fractions from about 1000 kg of wet Gulf of Mexico Bugula neritina (Bryozoa) has led to the isolation of bryostatins 16-18 (2-4). A combination of HRFABMS and high-field (400 MHz)
Autor:
George F. Taylor, George R. Pettit, Zbigniew A. Cichacz, Cherry L. Herald, Ernest Hamel, John A. Kepler, Ruoli Bai
Publikováno v:
Biochemistry. 34:9714-9721
The highly cytotoxic, sponge-derived, antimitotic macrolide polyether spongistatin 1 has been previously shown to inhibit microtubule assembly, the binding of vinblastine and GTP to tubulin, and displacement of GDP bound in the exchangeable site of t
Autor:
Cherry L. Herald, Zbigniew A. Cichacz, Mary Carmen Roach, Veena Prasad, George R. Pettit, Richard F. Ludueña
Publikováno v:
Drug Development Research. 35:40-48
Macrocyclic lactone polyethers of marine origin include a series of compounds which bind to tubulin, the subunit protein of microtubules, and inhibit microtubule assembly and vinblastine binding to tubulin. We have previously studied two of these com
Antineoplastic Agents 293. The Exceptional Human Cancer Cell Growth Inhibitors Spongistatins 6 and 7
Autor:
George R. Pettit, Jean M. Schmidt, Michael R. Boyd, Nigel D. Christie, Zbigniew A. Cichacz, Cherry L. Herald, Feng Gao
Publikováno v:
Natural Product Letters. 3:239-244
A twenty year investigation of the South African marine sponge Spirastrella spinispirulifera (Carter, 1879) for antineoplastic constituents has now led to discovery of spongistatin 6 (1e) and 7 (2b) in 3.5 × 10−7% and 2.2 × 10−7% yields. Struct
Autor:
Haruhisa Kizu, Jean-Charles Chapuis, Dennis L. Doubek, Cherry L. Herald, Jean M. Schmidt, Fred E. Boettner, Michael R. Boyd, Yoshiaki Kamano, Claude Michel, George R. Pettit, Youichi Fujii
Publikováno v:
Tetrahedron. 49:9151-9170
A twenty year pursuit of the cell growth inhibitory and antineoplastic constituents of the Western Indian Ocean (Mauritius) sea hare Dolabella auricularia has resulted in the discovery of fifteen structurally unique peptide, cyclopeptide, depsipeptid